GERMAN POOL GPU-6SSL Rapid Fast Flow Electric Water Heater User Manual

July 1, 2024
GERMAN POOL

GERMAN POOL GPU-6SSL Rapid Fast Flow Electric Water Heater User Manual

Online Warranty Registration
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Please read these instructions and warranty information carefully before use and keep them handy for future reference.

Features

German Pool Rapid Fast Flow Electric Water Heater (Central Type) is designed for multi-point application. It conforms to the Standards of International Electra-technical Commission (IEC Standards) and complies with safety standards and waterworks regulations worldwide. GPU is built-in with “5-Tier Safety Device” for absolute safety:

  • Automatic Thermostatic Control
  • Thermal Cutout
  • Temperature Relief Valve
  • Pressure Relief Valve
  • Anti-Back Siphon Device

Stainless Steel Inner Tank| Constructed of Japanese heavy gauge stainless steel, specially made for high temperature and pressure applications. It is durable and free of rust, corrosion, deformity and hassle.
---|---
Thermal Insulation| Maximum thermal insulation is achieved by high-density polyurethane foam injection moulded between the inner tank and outside casing.
Heating Element| Prime quality stainless steel heating element ensures maximum thermal efficiency even in places where different voltage.
Water Supply Source| Main supply or water tank supply.
Rated Pressure| 1.0
Max. Inlet Water Pressure| 0.6
Temperature Relief| When water temperature reaches 90°C, water will be released through the Temperature Relief Valve.
Thermostat| High sensitivity thermostat imported from France. Water temperature can be conveniently adjusted up to 75°C.
Water Resistance| IPX 4
Conformity| Electrical Product (Safety) Regulation, Hong Kong.
Certifications| IEC 60335-2-21:2012 IEC 60335-1:2013

  • Under normal working conditions, incoming pressure should not exceed 0.6 MPa. Otherwise, a separate pressure control device is necessary.
    When incoming water pressure exceeds 0.6 MPa, German Pool will not provide any repair service until a pressure control device is installed.

German Pool Rapid Fast Flow Electric Water Heater (Shower Type) is a non- pressure water heaters designed for single-point application.

Warning
Each unit is equipped with a standard open-outlet mixer and a shower set. Please install water heater in accordance to the instructions stated on this booklet. German Pool will NOT provide warranty service on any product installed with unauthorised components or devices.

Stainless Steel Inner Tank| Constructed of Japanese heavy gauge stainless steel, specially made for high temperature and pressure applications. It is durable and free of rust, corrosion, deformity and hassle.
---|---
Thermal Insulation| Optimal heat insulation is achieved by injected polyurethane foam.
Rated Pressure| 0
Max. Inlet Water Pressure| 0.6
Heating Element| High quality heating element with built-in thermal cut-out ensures maximum thermal efficiency and safety.
Thermostat| Thermostat provides automatic temperature control at preset temperature to accommodate individual bathing habits and save energy.
Exterior Casing| Constructed of corrosion-proof metal with multi-layer finishing.
Water Resistance| IPX4
Conformity| Electrical Product (Safety) Regulation, Hong Kong.
Certifications| IEC 60335-2-21IEC 60335-1

Under normal working conditions, incoming pressure should not exceed 0.6 MPa. Otherwise, a separate pressure control device is necessary.
When incoming water pressure exceeds 0.6 MPa, German Pool will not provide any repair service until a pressure control device is installed.

Product Structure

GPU-6SSL
Product Structure

  1. Anti Back Siphon age Device
  2. Pressure & Temperature Relief Valve (PTV)
  3. Heating Element (Inside)
  4. Drain
  5. Outlet (Hot)
  6. Inlet (Cold)
  7. Thermostat

GPNB-6SSL
Product Structure

  1. Heating Element (Inside)
  2. Drain
  3. Lever Mixer
  4. Thermostat
  5. Shower Head
  6. Inlet (Cold)
  7. Outlet (Hot)

Installation Instructions

Pre-Installation Notice
Installation should be done by a licensed technician using the supplied parts. German Pool is not responsible for any defect or damage caused by incorrect or unauthorised installation.

Positioning
Position water heater near water tap / point of use in order to minimise heat loss. For wall-mount style, appropriate anchor screws must be used and wall should be strong enough to withstand the weight of water heater. Keep a minimal distance between wall and water heater. you can also use the mounting bracket for positioning.

Connecting PTV and Inlet/Outlet Pipes
A Pressure & Temperature Relief Valve (PTV) is supplied with each GPU water heater. Water will be released through the PTV when water temperature reaches 90˚C or when water pressure reaches 1000 kPa in the inner tank. (It is normal that small amount of water may drip out.)

PTV and water inlet & outlet must be installed according to the following instructions:

  1. Fit PTV to the marked position (normally it is located on the upper side of the water heater and is labelled “PTV”).

  2. When connecting the pipe,the PTV must point downward.The outlet of the discharge pipe connecting the PTV must be positioned  approximately 25-50mm away from the ground,so that it is easily observable when hot water is being drained to ensure safety.

  3. Connect the inlet pipe (blue) with water supply.
    Then connect the outlet pipes (red) with supply pipe leading to points of use. The diameter of piping should be 1/2” BSP.

  4. Turn on the hot water tap. Turn on water supply switch until the inner tank has been filled up with water. The inner tank has been filled up when water flows from the water tap.

Electric Wiring
Use an independent wire (refer to table below) leading from the meter box and connect it to an independent on/off switch outside bathroom. Extend the wire through the grey wire grip on the water heater. Dismount the bottom plate and wire up Neutral (N), Life (L) and Earth ( ) terminals.

This water heater must be earthed at all time.

Heating Element Rating (kW) Electric Current (A) Wiring (mm²)
1.5kW 8 A (1PE) 1.5 mm²
2kW 10 A (1PE) 2.5 mm²
3kW 15 A (1PE) 2.5 mm²
4kW 20 A (1PE) 4.0 mm²
6kW 30 A (1PE) 6.0 mm²
8kW 40 A (1PE) 10.0 mm²
9kW 15 A (3PE) 2.5 mm²
12kW 20 A (3PE) 4.0 mm²

Power Switch
The external switch is used to completely disconnect water heater from power supply. It should disconnect all poles, and a contract separation of at least 3mm must be present.

Testing
When the piping and wiring are connected and inner tank has been filled with water, switch on the power. The indicator on the water heater will be lit. Turn control knob to the desired temperature (Max. temperature is 75°C). Do not use the control knob as an on/off switch.

Pre-Installation Notice
Installation should be done by a licensed technician using the supplied parts. German Pool is not responsible for any defect or damage caused by incorrect or unauthorised installation.

Positioning
Position water heater near water tap / point of use in order to minimise heat loss. For wall-mount style, appropriate anchor screws must be used and wall should be strong enough to withstand the weight of water heater. Keep a minimal distance between wall and water heater.

Connecting Inlet and Outlet Pipes
The diameter of piping is ½″ BSP. Make sure there is no leaking at the joints. Turn on hot water tap to fill up the inner tank until water flows from the shower head. Turn off hot water.

Electric Wiring
Use an independent wire (refer to table below) leading from the meter box and connect it to an independent on/off switch outside bathroom.
Extend the wire through the grey wire grip on the water heater. Dismount the bottom plate and wire up Neutral (N), Life (L) and Earth ( ) terminals

This water heater must be earthed at all time.

Heating Element Rating (kW) Electric Current (A) Wiring (mm²)
3kW 15 A (1PE) 2.5 mm²

Power Switch
The external switch is used to completely disconnect water heater from power supply. It should disconnect all poles, and a contact separation of at least 3 mm must be present.

SEE wiring regulations should be observed when the water heater is installed in the bathroom.

Testing
Once the piping and wiring are connected and inner tank has been filled up with water, switch on the power. The indicator light will be lit. Turn control knob to the desired temperature (Max. temperature is 75°C). Do not use the control knob as an on/off switch.

Operating Instructions

Warning

  1. Do not allow children to touch or play with the water heater. Supervision is required during use, in order to prevent the danger of a scald, electrical shock or any other injuries.
  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 use of the appliance by a person responsible for their safety.
  3. If the temperature is set above 50˚C, cold water must be mixed in to prevent the danger of a scald.
  4. An electric-leakage protection device must be installed to the power inlet. The electric current of this protection device should be below 30mA.

Pressure & Temperature Relief Valve (PTV)

  • The discharge pipe connecting to the PTV must be pointing downward and be left open to the atmosphere in a frost-free environment.
  • Turn the lift handle or rotational cup of the PTV regularly in order to prevent deposits in water causing blockage to the easing gear.
  • When water is discharged through PTV pipe, shut off power and water supply immediately.
    Then contact our Customer Service Centre for repair. (It is normal that small amount of water may drip out.)

Under normal working conditions, incoming pressure should not exceed 0.6 MPa. Otherwise, a separate pressure control device is necessary. (It is normal that small amount of water may drip from PTV after installation of pressure limiting valve.)

Note
When incoming water pressure exceeds 0.6 MPa, German Pool will not provide any repair service until a pressure control device is installed.

Draining
To drain out water from the inner tank, first switch off both power and water supply. Let hot water inside the inner tank cool down. Then unscrew the drain pipe nut to release water.

Source of Water Supply
If the water source is a river, a well, underground water or has relatively high mineral content, user must clean the heating element regularly to ensure it will operate at optimum thermal efficiency

Water Shortage
During water shortage, do not drain water from inner tank. The heating element would be damaged if it is not submerged under water. When water supply resumes, turn on hot water tap and let water flows through the shower head before switching on the power.

Source of Water Supply
If the water source is a river, a well, underground water or has relatively high mineral content, user must clean the heating element regularly to ensure it will operate at optimum thermal efficiency.

Dripping
Due to thermal expansion, small amount of water may drip off from the shower head when the inner tank temperature is very high.

Outlet
The outlet of the water heater is supposed to act as a vent and should not be connected to any unauthorised piping attachment or device.

Installation Diagram

GPU-6SSL
Installation Diagram

GPNB-6SSL
Installation Diagram

Caution: After confirmation of installation location, properly secure the mounting bracket with screws on the wall, align the holes of the back plate of the water heater with the mounting bracket, and downward hang the water heater.

Wiring Diagram

GPU-6SSL/GPNB-6SSL (1-Phase 220 V~)
Installation Diagram
GPU-6SSL/GPNB-6SSL (1-Phase 220 V~)
Installation Diagram

Water Saving Shower Head

Water Saving Shower Head
The GPU-6SSL model must use our Water & Energy Saving Aerated Shower head as a necessary accessory.

Specifications

Model GPU-6SSL GPNB-6SSL
Voltage (1Phase) 220 V
Frequency 50 Hz
Power (/ 1Phase) 3000 W
Dimensions (H) 640 mm (W) 420 mm (D) 210 mm
Net Weight 17.0 kg
Filled Weight 40.0 kg

Specifications are subject to change without prior notice.
If there is any inconsistency or ambiguity between the English version and the Chinese version,
the Chinese version shall prevail.
Refer to www.germanpool.com for the most up-to- date version of the Operating Instructions.

Warranty Terms & Conditions

Under normal operations, the product will grantee a 1-year full warranty provided by German Pool (effective from the date of purchase).

This warranty is not valid until customer registration information is received by our Service Centre within 10 days of purchase via one of the following means:

  1. Visit our website and register online: www.germanpool.com/warranty
    QR Code

  2. Complete all the fields on the attached Warranty Card and mail it back to our Customer Service Centre.

Please fill out the form below. This information and the original purchase invoice will be required for any repairs. Warranty will be invalidated if information provided is found to be inaccurate.

  1. Customer who fails to present original purchase invoice will not be eligible for free warranty service.
  2. Customer should always follow the operating instructions. This warranty does not apply to:
    • labour costs for on-site installation, check-up, repair, replacement of parts and other transportation costs;
    • damages caused by accidents of any kind (including material transfer and others);
    • operating failures resulting from applying incorrect voltage, improper usage, and unauthorised installations or repairs.
  3. This warranty is invalid if:
    • the purchase invoice is modified by an unauthorised party;
    • the product is used for any commercial or industrial purposes;
    • the product is repaired or modified by unauthorised personnel, or unauthorised parts are installed;
    • the serial number is modified, damaged or removed from the product.
  4. German Pool will, at its discretion, repair or replace any defective part.
  5. This warranty will be void if there is any transfer of ownership from the original purchaser.

Customer Service & Repair Centre

Hong Kong, China
10/F, Kowloon God own
1-3 Kari Hing Road, Kowloon Bay, Kowloon, Hong Kong
Tel : +852 2333 6249
Fax : +852 2356 9798
Email : repairs@germanpool.com
Macau, China 3/F, Edifice Industrial Poe Feng, 145 Rude Francisco Xavier Perspire, Macau
Tel : +853 2875 2699
Fax : +853 2875 2661

German Pool (Hong Kong) Limited

Hong Kong, China
Room 113. Newport Centre Phase II. 116 Ma Tau Koch Road. Tokugawa. Kowloon. Hong Kong.
Tel: +852 2773 2888
Fax: +852 2765 8215

Mainland China
8th, Xinjiang Road, Wuhan Industrial Park, Dalian, Shunned, Anshan, Guangdong
Tel: +86 757 2980 8308
Fax: +86 757 2980 8318

Macau, China
3/F, Edifice Industrial Poe Feng, 145 Rude Francisco Xavier Perspire, Macau
Tel: +853 2875 2699
Fax :+853 2875 2661

© All rights reserved. Copying, reproducing or using the contents of this manual is not allowed without prior authorisation from German Pool, violators will be prosecuted.
www.germanpool.com

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References

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