KMP Penguin 5KW Mini Pool Heat Pump Instruction Manual

PENGUIN 5KW
MINI POOL HEAT PUMP
Installation & Instruction Manual

Version 2.0

PREFACE

• In order to provide our customers with quality, reliability, and versatility, this product has been made to strict production standards. This manual includes all the necessary
  information about installation, debugging, discharging, and maintenance. Please read this manual carefully before you open or maintain the unit. The manufacturer of this product will not be held responsible if someone is injured or the unit is damaged, as a result of improper installation, debugging, or unnecessary maintenance. It is vital that the instructions within this manual are adhered to at all times. The unit must be installed by qualified personnel.

• The unit can only be repaired by a qualified installer center, personnel, or an authorized dealer.

• Maintenance and operation must be carried out according to the recommended time and frequency, as stated in this manual.

• Use genuine standard spare parts only.

• Failure to comply with these recommendations will invalidate the warranty.

• The swimming Pool Heat Pump Unit heats the swimming pool water and keeps the temperature constant. For split-type units, The indoor unit can be Discretely hidden or semi-hidden to suit a luxury house. Our heat pump has the following characteristics:
  1ble Dura The heat exchanger is made of PVC & Titanium tube which can withstand prolonged exposure to swimming pool water.
  2 Installation flexibility The unit can be installed outdoors.
  3 Quiet operation The unit comprises an efficient rotary/ scroll compressor and a low-noise fan motor, which guarantees its quiet operation.
  4 Advanced controlling The unit includes micro-computer controlling, allowing all operation parameters to be set. Operation status can be displayed on the LCD wire controller. A remote controller can be chosen as a future option.
  WARNING Do not use means to accelerate the defrosting process or to clean, Other than those recommended by the manufacturer. The appliance shall be stored in a room without continuously operating  ignition sources (for example open flames, an Operating gas appliance, or an operating electric heater.) Do not pierce or burn. Be aware that refrigerants may not contain an odor, Appliance shall be installed, operated, and stored in a room with a floor area larger than 30m .
  NOTE The manufacturer may provide other suitable examples or may provide additional information about the refrigerant odor.

• This appliance can be used by children aged 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning the use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.

• If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.

• The appliance shall be installed in accordance with national wiring regulations.

• Do not operate your air conditioner in a wet room such as a bathroom or laundry room.

• Before obtaining access to terminals, all supply circuits must be disconnected.

• An all-pole disconnection device that has at least 3mm clearances in all pole have a leakage current that may exceed 10mA residual current device (RCD) having a rated residual operating current not exceeding 30mA disconnection must be incorporated in the fixed wiring in accordance with the wiring rules

• Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer

• The appliance shall be stored in a room without continuously operating ignition sources (for example open flames, an operating gas appliance, or an operating electric heater.)

• Do not pierce or burn Appliance shall be installed, operated, and stored in a room with a floor area larger than 30 m2 Be aware that refrigerants may not contain an odor. The installation of pipe work shall be kept to a minimum of 30 m2 Spaces where refrigerant pipes shall be in compliance with national gas regulations. Servicing shall be performed only as recommended by the manufacturer. The appliance shall be stored in a well-ventilated area where the room size corresponds to the room area as specified for operation. All working procedures that affect safety means shall only be carried out by competent persons.

• Transport of equipment containing flammable refrigerants Compliance with the transport regulations Marking of equipment using signs Compliance with local regulations Disposal of equipment using flammable refrigerants Compliance with national regulations Storage of equipment/appliances The storage of equipment should be in accordance with the manufacturer’s instructions. Storage of packed (unsold) equipment Storage package protection should be constructed such that mechanical damage to the equipment inside the package will not cause a leak of the refrigerant charge. The maximum number of pieces of equipment permitted to be stored together will be determined by local regulations.

Caution & Warning

1. The unit can only be repaired by qualified installer center personnel or an authorized dealer. for Europe market
2. This appliance is not intended for use by persons (including children) with reduced physical sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety. for Europe market Children should be supervised to ensure that they do not play with the appliance.
3. Please make sure that the unit and power connection have good earthing, otherwise may cause electrical shock.
4. If the supply cord is damaged, it must be replaced by the manufacturer or our service agent, or a similarly qualified person in order to avoid a hazard.
5. Directive 2002/96/EC (WEEE): The symbol depicting a crossed-out waste bin that is underneath the appliance indicates that this product, at the end of its useful life, must be handled separately from domestic waste, must be taken to a recycling center for electric and electronic devices or handed back to the dealer when purchasing an equivalent appliance.
6. Directive 2002/95/EC (RoHs): This product is compliant with directive 2002/95/EC (RoHs) concerning restrictions for the use of harmful substances in electric and electronic devices
7. The unit CANNOT be installed near the flammable gas. Once there is any leakage of the gas, fire can occur.
8. Make sure that there is a circuit breaker for the unit, a lack of a circuit breaker can lead to electrical shock or fire.
9. The heat pump located inside the unit is equipped with an overload protection system. It does not allow for the unit to start for at least 3 minutes from a previous stoppage.
10. The unit can only be repaired by the qualified personnel of an installer center or an authorized dealer. for the North American market
11. Installation must be performed in accordance with the NEC/CEC by an authorized person only. for the North American market
12. USE SUPPLY WIRES SUITABLE FOR 75 .
13. Caution: Single wall heat exchanger, not suitable for potable water connection.

SPECIFICATION

2.1 Performance data of Swimming Pool Heat Pump Unit
*** REFRIGERANT : R32

Heating: Outdoor air temp: 27 /24.3 , Inlet water temp:26
Outdoor air temp: 15 /12 , Inlet water temp:26
Operating range:
Ambient temperature:10 43°C
Water temperature:15-44°C
2.2 The dimensions for Swimming Pool Heat Pump Unit
UNIT: Thermotec Penguin unit mm

INSTALLATION AND CONNECTION

3.1 Installation illustration

Installation items:
The factory only provides the main unit and the water unit; the other items in the illustration are necessary to spare parts for the water system, which are provided by users or the installer.
Attention:
Please follow these steps when using it for the first time

1. Open the valve and charge the water.
2. Make sure that the pump and the water-in pipe have been filled with water.
3. Close the valve and start the unit.
   ATTN: It is necessary that the water-in pipe is higher than the pool surface.
   The schematic diagram is for reference only. Please check the water inlet/outlet label on the heat pump while plumbing installation.
   The schematic diagram is for reference only. Please check the water inlet/outlet label on the heat pump while plumbing installation.
   The controller is mounted on the wall

3.2 Swimming Pool Heat Pumps Location
The unit will perform well in any outdoor location provided that the following three factors are presented:

1. Fresh Air –
2. Electricity –
3. Pool filter piping
   The unit may be installed virtually anywhere outdoors. For indoor pools please consult the supplier. Unlike a gas heater, it has no draft or pilot light problem in a windy area.
   DO NOT place the unit in an enclosed area with a limited air volume, where the unit’s discharge air will be re-circulated.
   DO NOT place the unit on shrubs that can block the air inlet. These locations deny the unit a continuous source of fresh air which reduces its efficiency and may prevent adequate heat delivery.

3.3 How Close To Your Pool?
Normally, the pool heat pump is installed within 7.5 meters of the pool. The longer the distance from the pool, the greater the heat loss from the piping. For the most part, the piping is buried. Therefore, the heat loss is minimal for runs of up to15 meters(15 meters to and from the pump = 30 meters total), unless the ground is wet or the water table is high. A very rough estimate of heat loss per 30 meters is 0.6 kW-hour,(2000BTU) for every 5 differences in temperature between the pool water and the ground surrounding the pipe, which translates to about a 3% to 5% increase in run time.
3.4 Swimming Pool Heat Pumps Plumbing
The Swimming Pool Heat Pumps exclusive rated flow titanium heat exchanger requires no special plumbing arrangements except bypass(please set the flow rate according to the nameplate). The water pressure drop is less than 10kPa at max. Flow rate. Since there is no residual heat or flame Temperatures, The unit does not need copper heat sink piping. PVC pipe can be run straight into the unit.
Location: Connect the unit in the pool pump discharge (return) line downstream of all filter and pool pumps, and upstream of any chlorinators, ozonators or chemical pumps.
Standard models have slip glue fittings that accept 32mm or 50 mm PVC pipe for connection to the pool or spa filtration piping. By using a 50 NB to 40NB you can plumb  40NB Give serious consideration to adding a quick coupler fitting at the unit inlet and outlet to allow easy draining of the unit for winterizing and to provide easier access should servicing be required.

Condensation: Since the Heat pump cools down the air about 4 -5, water may condense on the fins of the horseshoe-shaped evaporator. If the relative humidity is very high,  this could be as much as several liters an hour. The water will run down the fins into the basepan and drain out through the barbed plastic condensation drain fitting on the side of the basepan. This fitting is designed to accept 20mm clear vinyl tubing which can be pushed on by hand and run to a suitable drain. It is easy to mistake the condensation for a water leak inside the unit.
NB: A quick way to verify that the water is condensation is to shut off the unit and keep the pool pump running. If the water stops running out of the basepan, it is condensation. AN EVEN QUICKER WAY IS to TEST THE DRAIN WATER FOR CHLORINE – if the is no chlorine present, then it’s condensation.
3.5 Swimming Pool Heat Pumps Electrical Wiring
NOTE: Although the unit heat exchanger is electrically isolated from the rest of the unit, it simply prevents the flow of electricity to or from the pool water. Grounding the unit is still required to protect you against short circuits inside the unit. Bonding is also required.
The unit has a separate molded-in junction box with a standard electrical conduit nipple already in place. Just remove the screws and the front panel, feed your supply lines in
through the conduit nipple, and wire-nut the electric supply wires to the three connections already in the junction box (four connections if three phases). To complete electrical hookup, connect the Heat Pump by electrical conduit, UF cable, or other suitable means as specified (as permitted by local electrical authorities) to a dedicated AC power supply branch circuit equipped with the proper circuit breaker, disconnect, or time delay fuse protection. Disconnect – A disconnecting means (the circuit breaker, fused or un-fused switch)  should be located within sight of and readily accessible from the unit, This is common practice on commercial and residential air conditioners and heat pumps. It prevents remotely-energizing unattended equipment and permits turning off the power at the unit while the unit is being serviced.
3.6 Initial startup of the Unit
NOTE- In order for the unit to heat the pool or spa, the filter pump must be running to circulate water through the heat exchanger.
Start-up Procedure – After installation is completed, you should follow these steps:

1. Turn on your filter pump. Check for water leaks and verify flow to and from the pool.
2. Turn on the electrical power supply to the unit, then press the key ON/OFF of the wired controller, It should start in several seconds.
3. After running a few minutes make sure the air leaving the top(side) of the unit is cooler(Between 5-10 )
4. With the unit operating turn the filter pump off. The unit should also turn off automatically,
5. Allow the unit and pool pump to run 24 hours per day until the desired pool water temperature is reached. When the water-in temperature reaches this setting, the unit will slow down for a period of time, if the temperature is maintained for 45 minutes the unit will turn off. The unit will now automatically restart (as long as your pool pump is running)when the pool temperature drops more than 0.2 below the set temperature.

Time Delay- The unit is equipped with a 3-minute built-in solid-state restart delay included to protect control circuit components and to eliminate restart cycling and contactor chatter. This time delay will automatically restart the unit approximately 3 minutes after each control circuit interruption. Even a brief power interruption will activate the solid state 3-minute restart delay and prevent the unit from starting until the 5-minute countdown is completed.

OPERATION INSTRUCTION

4.1 Function of wire controller

4.2 The controller usage

1. ON/ OFF mode
   OFF mode
   When the heat pump is on standby (OFF interface), the indication OFF is displayed on the control screen.
   ON mode
   When the heat pump is running or adjusting (ON interface), the water inlet temperature is displayed on the screen.
   

2. Settings and viewing the set point (Desired water temperature)
   In OFF mode and in ON mode
   Press once the button or   to view the set point.
   Press the button or again to set the desired set point.
   Settings are made to an accuracy of 0.5.
   Note: The settings are automatically saved after 5 s if no button is pressed
   

3. Malfunction display
   There will be a malfunction code showing on the controller screen when a relative malfunction occurs.
   If there are more than one malfunction occurs at the same time, you can check thecurrent error codes list by pressing or key.
   You can refer to the malfunction table to find out the failure cause and solution.

4.3 Operation instruction of Bluetooth

1. Account Login
   Use your email address and password to register, login or reset the password.
   1. Account Registration: To register an account, click (Fig.1) to jump to the Account
   Registration interface, fill in the relevant information and click to receive a verification Code, while completing the application information, click to read the details of the
   Privacy Policy, then click to agree and click, registration is done.
   Please note, the valid time of one verification code is 15min, please fill in the verification code within 15min, otherwise, you need to ask for a new one.
   2. Login: Follow the instructions on the page(Fig.1 ), enter your registered email address And password, click and jump to the devise list;
   3. Forgot Password: While forgetting your password, click (Fig.1 ), jump to the Forgot Password interface (Fig.3 ). Follow the instructions on the page, and fill in the relevant For information, click to receive the verification code from your mailbox, click to confirm, And the password reset is done.

2. Add Device
   After logging in, displays the My Device interface (Fig. 4), and follow the instruction to add and bond the device.
   

3. Device Management
   Device management operations are as below :
   Note: The setting of “Parameter Settings”(Fig.12) is used for after-sales maintenance only.

4.4 Trouble Shooting Guide

whether the Refrigerant is enough or not.
High pressure protect| ######| The exhaust pressure is high. high-pressure switch action| Check high-pressure switch and cooling return circuit
Low pressure protect| ######| The suction pressure is low.
Low-pressure switch action| Check the low-pressure switch and cooling return circuit
Low-pressure protector 3 times| ######| The suction pressure is low.
Low-pressure switch action for 3 times| Check the low-pressure switch and cooling return circuit
Flow switch failure| ######| No water flow or insufficient water flow| Ensure the circulation pump is operating. check that there is sufficient water flow.
Communication failure| ######| Communication failure between remote wire controller and main board| Check the wire connection between the remote wire controller and main board
Temp. is too much different between water-inlet and outlet| ######| The water temperature difference between the inlet and outlet is too large|
Low ambient temperature protect| TP| The ambient temperature is too low|
Defrost| DF| Is time to defrost|

4.5 Connection of PCB illustration

Connections explanation

MAINTENANCE AND INSPECTION

• Check the water supply device and the release often. You should avoid the condition of no water or air entering into the system, as this will influence the unit’s performance and reliability. You should clear the pool/spa filter regularly to avoid damage to the unit as a result of the dirty or clogged filter.

• The area around the unit should be dry, clean, and well-ventilated. Clean the side heating exchanger regularly to maintain good heat exchange and conserve energy.

• The operation pressure of the refrigerant system should only be serviced by a certified technician.

• Check the power supply and cable connection often,.Should the unit begin to operate abnormally, switch it off and contact the qualified technician?

• Discharge all water in the water pump and water system,so that freezing of the water in the pump or water system does not occur. You should discharge the water at the bottom of the water pump if the unit will not be used for an extended period of time. You should check the unit thoroughly and fill the system with water fully before using it for the first time after a prolonged period of no usage.

• Checks to the area
  Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minimized. For repair to the refrigerating system, the following precautions shall be complied with prior to conducting work on the system. a prolonged period of no usage.

• Work procedure
  Work shall be undertaken under a controlled procedure so as to minimize the risk of flammable gas or vapor being present while the work is being performed.

• General work area
  All maintenance staff and others working in the local area shall be instructed on the nature of work being carried out. Work in confined spaces shall be avoided. The area around the workspace shall be sectioned off. Ensure that the conditions within the area have been made safe by control of flammable material.

• Checking for the presence of refrigerant
  The area shall be checked with an appropriate refrigerant detector prior to and during work, to ensure the technician is aware of potentially flammable atmospheres. Ensure that the leak detection equipment being used is suitable for use with flammable refrigerants, i.e. non-sparking, adequately sealed, or intrinsically safe.

• Presence of a fire extinguisher
  If any hot work is to be conducted on the refrigeration equipment or any associated parts, appropriate fire extinguishing equipment shall be available to hand. Have a dry  powder or CO2 fire extinguisher adjacent to the charging

• No ignition sources
  No person carrying out work in relation to a refrigeration system that involves exposing any pipe work that contains or has contained flammable refrigerant shall use any sources of ignition in such a manner that it may lead to the risk of fire or explosion. All possible ignition sources, including cigarette smoking, should be kept sufficiently far away from the site of installation, repair, removal, and disposal, during which flammable refrigerant can possibly be released to the surrounding space. Prior to work taking place, the area around the equipment is to be surveyed to make sure that there are no flammable hazards or ignition risks. No Smoking signs shall be displayed.

• Ventilated area
  Ensure that the area is in the open or that it is adequately ventilated before breaking into the system or conducting any hot work. A degree of ventilation shall continue uring the period that the work is carried out. The ventilation should safely disperse any released refrigerant and preferably expel it externally into the atmosphere. prolonged period of no usage.

• Checks to the area
  Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minimized. For repair to the refrigerating system, the following precautions shall be complied with prior to conducting work on the system. the prolonged period of no usage.

• Checks to the refrigeration equipment
  Where electrical components are being changed, they shall be fit for the purpose and to the correct specification. At all times the manufacturer’s maintenance and service guidelines shall be followed. If in doubt consult the manufacturer’s technical department for assistance.
  The following checks shall be applied to installations using flammable refrigerants:
  The charge size is in accordance with the room size within which the refrigerant-containing parts are installed;
  The ventilation machinery and outlets are operating adequately and are not obstructed;
  If an indirect refrigerating circuit is being used, the secondary circuit shall be checked forthe presence of refrigerant;
  Marking to the equipment continues to be visible and legible. Markings and signs that are illegible shall be corrected;
  Refrigeration pipes or components are installed in a position where they are unlikely to be exposed to any substance which may corrode refrigerant- containing components unless the components are constructed of materials that are inherently resistant to being corroded or are suitably protected against being so corroded.

• Checks to electrical devices
  Repair and maintenance of electrical components shall include initial safety checks and
  component inspection procedures. If a fault exists that could compromise the safety, then no electrical supply shall be connected to the circuit until it is satisfactorily dealt with. If the fault cannot be corrected immediately but it is necessary to continue operation, an adequate temporary solution shall be used. This shall be reported to the owner of the equipment so all parties are advised.
  Initial safety checks shall include:
  . That capacitors are discharged: this shall be done in a safe manner to avoid the possibility of sparking;
  . That there no live electrical components and wiring are exposed while charging, recovering, or purging the system;
  . That there is continuity of earth bonding.

• Repairs to sealed components

1. During repairs to sealed components, all electrical supplies shall be disconnected from the equipment being worked upon prior to any removal of sealed covers, etc. If it is absolutely necessary to have an electrical supply to equipment during servicing, then a permanently operating form of leak detection hall be located at the most critical point to warn of a potentially hazardous situation.
2. Particular attention shall be paid to the following to ensure that by working on electrical components, the casing is not altered in such a way that the level of protection is affected. This shall include damage to cables, an excessive number of connections,  terminals not made to original specification, damage to seals, incorrect fitting of glands, etc.

• Ensure that apparatus is mounted securely.
  Ensure that seals or sealing materials have not degraded such that they no longer serve the purpose of preventing the ingress of flammable atmospheres. Replacement parts shall be in accordance with the manufacturer’s specifications.
  NOTE: The use of silicon sealant may inhibit the effectiveness of some types of leak detection equipment. Intrinsically safe components do not have to be isolated prior to
  Repair to intrinsically safe components
  Do not apply any permanent inductive or capacitance loads to the circuit without ensuring that this will not exceed the permissible voltage and currently permitted for the equipment in use.
  Intrinsically safe components are the only types that can be worked on while living in the presence of a flammable atmosphere. The test apparatus shall be at the correct rating. Replace components only with parts specified by the manufacturer. Other parts may result in the ignition of refrigerant in the atmosphere from a leak.

• Cabling
  Check that cabling will not be subject to wear, corrosion, excessive pressure, vibration, sharp edges, or any other adverse environmental effects. The check shall also take into account the effects of aging or continual vibration from sources such as compressors or fans.
  Detection of flammable refrigerants
  Under no circumstances shall potential sources of ignition be used in the search for or detection of refrigerant leaks. A halide torch (or any other detector using a naked flame) shall not be used.
  Leak detection methods
  The following leak detection methods are deemed acceptable for systems containing flammable refrigerants.
  Electronic leak detectors shall be used to detect flammable refrigerants, but the sensitivity

• may not be adequate, or may need re-calibration. (Detection equipment shall be calibrated in a refrigerant-free area.) Ensure that the detector is not a potential source of ignition and is suitable for the refrigerant used. Leak detection equipment shall be set at a percentage of the LFL of the refrigerant and shall be calibrated to the refrigerant employed and the appropriate percentage of gas (25 % maximum) is confirmed. Leak detection fluids are suitable for use with most refrigerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe-work. If a leak is suspected, all naked flames shall be removed/ extinguished. If leakage of refrigerant is found which requires brazing, all of the refrigerants shall be recovered from the system, or isolated (by means of shut-off valves) in a part of the system remote from the leak. Oxygen-free nitrogen (OFN) shall then be purged through the system both before and during the brazing process.

• Removal and evacuation
  When breaking into the refrigerant circuit to make repairs or for any other purpose conventional procedures shall be used. However, it is important that best practice is followed since flammability is a consideration. The following procedure shall be adhered to:
  . Remove refrigerant;
  . Purge the circuit with inert gas;
  . Evacuate;
  . Purge again with inert gas; . Open the circuit by cutting or brazing.

• The refrigerant charge shall be recovered into the correct recovery cylinders. The system shall be “flushed” with OFN to render the unit safe. This process may need to be repeated several times. Compressed air or oxygen shall not be used for this task. Flushing shall be achieved by breaking the vacuum in the system with OFN and continuing to fill until the working pressure is achieved, then venting to the atmosphere, and finally pulling down to a vacuum. This process shall be repeated until no refrigerant is within the system. When the final OFN charge is used, the system shall be vented down to atmospheric pressure to enable work to take place. This operation is absolutely vital if brazing operations on the pipe work are to take place. Ensure that the outlet for the vacuum pump is not close to any ignition sources and there is ventilation available. working on them. Labelling Equipment shall be labeled stating that it has been de-commissioned and emptied of refrigerant. The label shall be dated and signed. Ensure that there are labels on the equipment stating the equipment contains flammable refrigerant.

• Recovery
  When removing refrigerant from a system, either for servicing or decommissioning, it is recommended good practice that all refrigerants are removed safely.
  When transferring refrigerant into cylinders, ensure that only appropriate refrigerant recovery cylinders are employed. Ensure that the correct number of cylinders for holding the total system charge is available. All cylinders to be used are designated for the recovered refrigerant and labeled for that refrigerant (i.e. special cylinders for the recovery of refrigerant). Cylinders shall be complete with pressure relief valves and associated shutoff valves in good working order. Empty recovery cylinders are evacuated and,  if possible, cooled before recovery occurs. The recovery equipment shall be in good working order with a set of instructions concerning the equipment that is at hand and shall be suitable for the recovery of flammable refrigerants. In addition, a set of calibrated weighing scales shall be available and in good working order. Hoses shall be complete with leak-free disconnect couplings and in good condition. Before using the recovery machine, check that t is in satisfactory working order, has been properly maintained, and that any associated electrical components are sealed to prevent ignition in the event of a refrigerant release. Consult the manufacturer if in doubt. The recovered refrigerant shall be returned to the refrigerant supplier in the correct recovery cylinder, and the relevant Waste Transfer Note arranged. Do not mix refrigerants in recovery units and especially not in cylinders. If compressors or compressor oils are to be removed, ensure that they have been evacuated to an acceptable level to make certain that flammable refrigerant does not remain within the lubricant. The evacuation process shall be carried out prior to returning the compressor to the suppliers. Only electric eating to the compressor body shall be employed to accelerate this process. When oil is drained from a system, it shall be carried out safely.

• Removal and evacuation When breaking into the refrigerant circuit to make repairs or for any other purpose conventional procedures shall be used. However, it is important that best practice is followed since flammability is a consideration. The following procedure shall be adhered to: . Remove refrigerant; . Purge the circuit with inert gas; . Evacuate; . Purge again with inert gas; .

• Open the circuit by cutting or brazing. The refrigerant charge shall be recovered into the correct recovery cylinders. The system shall be “flushed” with OFN to render the unit safe. This process may need to be repeated several times. Compressed air or oxygen shall not be used for this task. Flushing shall be achieved by breaking the vacuum in the system with OFN and continuing to fill until the working pressure is achieved, then venting to atmosphere, and finally pulling down to a vacuum. This process shall be repeated until no refrigerant is within the system. When the final OFN charge is used, the system shall be vented down to atmospheric pressure to enable work to take place. This operation is absolutely vital if brazing operations on the pipe work are to take place.

• Ensure that the outlet for the vacuum pump is not close to any ignition sources and there is ventilation available. working on them. Labelling Equipment shall be labeled stating that it has been de-commissioned and emptied of refrigerant. The label shall be dated and signed. Ensure that there are labels on the equipment stating the equipment contains flammable refrigerant. Recovery When removing refrigerant from a system, either for servicing or decommissioning, it is recommended good practice that all refrigerants are removed safely. When transferring refrigerant into cylinders, ensure that only appropriate refrigerant recovery cylinders are employed. Ensure that the correct number of cylinders for holding the total system charge is available. All cylinders to be used are designated for the recovered refrigerant and labeled for that refrigerant (i.e. special

• Charging procedures
  In addition to conventional charging procedures, the following requirements shall be followed.
  Ensure that contamination of different refrigerants does not occur when using charging equipment. Hoses or lines shall be as short as possible to minimize the amount of
  refrigerant contained in them.
  Cylinders shall be kept upright.
  Ensure that the refrigeration system is earthed prior to charging the system with refrigerant.
  Label the system when charging is complete (if not already).
  Extreme care shall be taken not to overfill the refrigeration system.
  Prior to recharging the system, it shall be pressure tested with OFN. The system shall be leak tested on completion of charging but prior to commissioning. A follow up leak test shall be carried out prior to leaving the site.

• The safety wire model is 5*20_5A/250VAC And must meet the explosion-proof requirements

APPENDIX

6.1 Cable specification

1.  Single-phase unit
   Nameplate maximum current| Phase line| Earth line| MCB| Creepage protector| Signal line
   ---|---|---|---|---|---
   No more
   than 10A| 2 X 1.5mm2| 1.5mm2| 20A| 30mA less than 0.1 sec| nX 0.5mm2
   10-16A| 2 X 2.5mm2| 2.5mm2| 32A| 30mA less than 0.1 sec
   16-25A| 2 X4mm2| 4mm2| 40A| 30mA less than 0.1 sec
   25-32A| 2 X 6mm2| 6mm2| 40A| 30mA less than 0.1 sec
   32-40A| 2 X 10mm2| 10mm2| 63A| 30mA less than 0.1 sec
   40-63A| 2X 16mm2| 16mm2| 80A| 30mA less than 0.1 sec
   63-75A| 2X25mm2| 25mm2| 100A| 30mA less than 0.1 sec
   75-101A| 2X25mm2| 25mm2| 125A| 30mA less than 0.1 sec
   101-123A| 2 x35mm2| 35mm2| 160A| 30mA less than 0.1 sec
   123-148A| 2 X 50mm2| 50mm2| 225A| 30mA less than 0.1 sec
   148-186A| 2 X 70mm2| 70mm2| 250A| 30mA less than 0.1 sec
   186-224A| 2 X 95mm2| 95mm2| 280A| 30mA less than 0.1 sec
2. Three phase unit
   Nameplate maximum current| Phase line| Earth line| MCB| Creepage protector| Signal line
   ---|---|---|---|---|---
   No more
   than 10A| 3 X 1.5mm2| 1.5mm2| 20A| 30mA less than 0.1 sec| n X 0.5mm2
   10-16A| 3 x 2.5mm2| 2.5mm2| 32A| 30mA less than 0.1 sec
   16-25A| 3 X4mm2| 4mm2| 40A| 30mA less than 0.1 sec
   25-32A| 3 X6mm2| 6mm2| 40A| 30mA less than 0.1 sec
   32-40A| 3 X 10mm2| 10mm2| 63A| 30mA less than 0.1 sec
   40-63A| 3X 16mm2| 16mm2| 80A| 30mA less than 0.1 sec
   63-75A| 3 X 25mm2| 25mm2| 100A| 30mA less than 0.1 sec
   75-101A| 3 x 25mm2| 25mm2| 125A| 30mA less than 0.1 sec
   101-123A| 3 X 35mm2| 35mm2| 160A| 30mA less than 0.1 sec
   123-148A| 3 X 50mm2| 50mm2| 225A| 30mA less than 0.1 sec
   148-186A| 3X 70mm2| 70mm2| 250A| 30mA less than 0.1 sec
   186-224A| 3 X95mm2| 95mm2| 280A| 30mA less than 0.1 sec

When the unit will be installed at outdoor, please use the cable which can against UV.

6.2 Comparison table of refrigerant saturation temperature

Pressure
(MPa )| 0| 0.3| 0.5| 0.8| 1| 1.| 2.| 2.| 2| 2.
---|---|---|---|---|---|---|---|---|---|---
Temperature
(R410A)(t)| _51.3| -20| -9| 4| 11| 19| 24| 31| 35| 39
Temperature
(R32)(t )| -53.| -20| -9| 4.| 10| 18| 23| 30.| 33.| 39.
Pressure
(MPa )| 3.| 3.| 3| 3.| 4.| 4.| 4| 5.| 5| 6.
Temperature
(R410A)(t )| 43| 47| 51| 55| 57| 61| 64| 70| 74| 80
Temperature
(R32)(t )| 42| 47.| 50.| 54.| 56| 60| 62| 68.| 73.| 77.

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| KMP Penguin 5KW Mini Pool Heat Pump [pdf] Instruction Manual
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