Vent-Axia 200Z Sentinel Kinetic MVHR Instruction Manual

Vent-Axia 200Z Sentinel Kinetic MVHR

Product Information

Specifications

• Models: Sentinel Kinetic 200Z, 200ZH, 300ZH
• Accessories: Sentinel Kinetic plug-in integral humidity sensor

Product Description
The Sentinel Kinetic range includes models 200Z, 200ZH, and 300ZH. These models feature summer bypass functionality to enhance ventilation efficiency.

Technical Specification
The technical specifications for the product include:

• Model 200Z: Sentinel Kinetic 200Z with Summer Bypass and Wired Remote Control
• Model 200ZH: Sentinel Kinetic 200ZH with Summer Bypass, Integral humidity sensor & Wired Remote Control
• Model 300ZH: Sentinel Kinetic 300ZH with Summer Bypass, Integral humidity sensor & Wired Remote Control

Getting Started

• Powering Up the Unit
  To power up the unit, ensure it is connected to a suitable power source and switch it on using the provided power button.

• Startup Screens
  Upon starting up the unit, you may encounter startup screens that provide information about the status of the ventilation system. Follow any on-screen instructions as needed.

Operation and Monitoring

• Overview
  The unit operates to maintain indoor air quality by regulating ventilation levels based on environmental conditions.

• User Menu Screens
  Access user menu screens to customize settings such as ventilation rate, humidity levels, and operating modes.

• Summer Mode Screens
  In summer mode, the unit adjusts ventilation to account for warmer temperatures and higher humidity levels.

• Boost & Purge Screens
  Use boost and purge functions to temporarily increase ventilation for specific needs such as odour removal or quick air circulation.

• Status Message Screens
  Status message screens provide real-time feedback on the unit’s operation and any maintenance requirements.

Maintenance

• Caring for the Unit
  Regularly clean the unit’s exterior surfaces and ensure proper ventilation ducts are free from obstruction.

• Filter Maintenance
  Check and replace supply and exhaust filters at regular intervals to maintain optimal performance.

• Monthly Maintenance
  Perform monthly maintenance tasks as outlined in the user manual to ensure longevity and efficiency of the unit.

Troubleshooting

• Diagnosing a Problem
  If you encounter issues with the unit’s operation, refer to the troubleshooting section of the manual for guidance on identifying and resolving common problems.

Disposal
To dispose of the product, do not discard it with household waste. Instead, recycle it where facilities exist. Contact your local authority for proper disposal guidelines.

FAQ

• Q: How often should I check the supply and exhaust filters?
  A: When fitted to a new build property, check the filters at one-month intervals for the first six months. After this initial period, regular checks every three to six months are recommended depending on usage.

IMPORTANT SAFETY INFORMATION

PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE USING THE UNIT.

1. 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. Young children should be supervised to ensure that they do not play with the appliance.
2. Do not attempt to remove the covers of this unit. High Voltage is present in this unit.

NEW PROPERTY FILTER MAINTENANCE
When fitted to a new build property the supply and exhaust filters should be checked at one month intervals for the first six months.

Disposal
This product should not be disposed of with household waste. Please recycle where facilities exist. Check with your local authority for recycling advice.

Product Description

Sentinel Kinetic 200Z, 200ZH, 300ZH
The Vent-Axia Sentinel Kinetic 200Z, 200ZH, 300ZH Mechanical Ventilation / Heat Recovery (MVHR) is a heat recovery unit designed for the energy efficient ventilation of houses and similar dwellings, conforming to the latest requirements of the Building Regulations document F 2010. The unit is designed for continuous 24 hour exhaust ventilation of stale moist air from bathrooms, toilets and kitchens. As the stale air is extracted a heat exchanger within the unit transfers the heat into the supply air entering the bedrooms and lounge.

Sentinel Kinetic 200Z, 200ZH, 300ZH Summer By Pass.

• The Sentinel Kinetic units are fitted with a Summer By Pass (SBP) and will provide energy-free heating and energy-free cooling when the house temperature and ambient temperature allows.
• If the room is warmer than the set (shown as “indoor”) temperature (i.e. you need the room to be cooler) and the outdoor air is cooler than the actual room temperature (i.e. the outdoor air could cool your room) then the SBP will open and the unit will supply cooler air to your room.
• If the room is cooler than the set (“indoor”) temperature (i.e. you need the room heating) and the outdoor air is warmer than the actual room temperature (i.e the outdoor air could heat your room) then the SBP will open and the unit will supply warmer air to your room.
• Note that the above only applies whilst the outdoor air temperature is above 14C (adjustable) in order to prevent cold draughts.
• The set (“indoor”) temperature should be set 2 or 3 degrees higher than the central heating thermostat and 2 or 3 degrees below any air conditioning thermostat if fitted. This will prevent any clash between the separate systems

Models

• 448733A – Sentinel Kinetic 200Z with Summer Bypass and Wired Remote Control.
• 449540A – Sentinel Kinetic 200ZH with Summer Bypass, Integral humidity sensor & Wired Remote Control.
• 449536A – Sentinel Kinetic 300ZH with Summer Bypass, Integral humidity sensor & Wired Remote Control.

Accessories

• 441838 – Sentinel Kinetic plug-in integral humidity sensor

A range of sensors can be used to manage system demand and control the ventilation rate. These include an internal humidity sensor, humidity sensors for independent mounting in rooms, CO2 sensor, manual switches and pull cords. For these alternative control options, see www.vent-axia.com

Wired remote Control Display
The Wired remote Control provides the user interface for commissioning and monitoring purposes.

Display
The main display is an LCD.

Buttons
Four buttons on the Control Unit provide the controls for configuring and monitoring the unit.

Table 1: Control Unit Buttons

Technical Specification

For all other technical details, please see the Product Catalogue or our website at www.vent-axia.com.

Starting Up

Powering Up the Unit

• Switching On (The unit is designed to run continuously)
  To switch the unit on:

1. Switch on the power at the mains supply isolator feeding the unit.
2. Following switch-on, the fan motors will start and the Control Unit will display a series of startup screens, described below.

• Switching Off
  To switch the unit off: at the unit’s local isolator, turn the power off.

Startup Screens

• Sentinel Kinetic Version Screen
  The Sentinel Kinetic Version screen displays the firmware version number for 3 seconds. No adjustments are possible on this screen.

• Language Screen
  The Language screen displays the language used for the screens. It is typically displayed for 5 seconds, or longer if changing the setting.

• Control Mode Screen
  This allows a choice between the control mode described in this document and an alternative control mode.

• Airflow Units Screen
  The Airflow Units is a percentage of the unit’s maximum flow.

• Wireless Control Screen
  Not Available.

• Humidity Sensor Screen
  The Humidity Sensor screen displays whether the humidity sensor is fitted. It is typically displayed for 3 seconds. (200ZH & 300ZH will display Fitted )

Operation and Monitoring

Overview
When the Sentinel Kinetic unit has been installed and commissioned it should require no further intervention in order to operate, unless external switches are used to control on/off/boost, etc, or BMS control requires user action .

User Menu Screens

From the Normal Airflow screen, press the  button to access the rest of the User Menu screens.
Changing the value of a setting (if adjustable) is typically a 3-step procedure:

1. Press  to select the setting (the setting will flash).
2. Use the  or buttons to adjust the value. To scroll quickly, press and hold the  or  buttons for more than 2 seconds.
3. Press  again to enter the new settings and move to the next screen.

To return to the Normal Airflow screen, press the  button repeatedly or press and hold the  button for 5 seconds. Alternatively, the Normal Airflow screen will be restored if no buttons are pressed for two minutes (timeout). Settings are stored in a the memory and will be retained in the event of mains power supply failure.

Low Airflow / Normal Airflow / Boost Airflow Screen

• When the start-up screens are finished, the Low or Normal screen is displayed showing operating status (Low Airflow X % or Normal Airflow X % or Boost Airflow X %).
• The Normal screen displays the rate of normal airflow (supply air) through the unit.
• If the installation has proportional sensors or an internal humidity sensor fitted, an α symbol will be displayed when they are boosting the airflow.
• When the summer bypass is active, the normal screen top line will alternate (for 3 seconds) with Summer Bypass.
• An interval can be set, see the Installation and Commissioning manual, at which the unit reminds the user to check the filters. This will be 6, 12 or 18 months. The normal screen top line will include Check Filter as a reminder to check and, if necessary, clean or replace the filters.
• When this has been done, press and hold the   and  buttons for 5 seconds to reset the automatic message.

Set Clock Screen
From the Normal Airflow screen, simply press the  button once to access the Set Clock screen.
The Set Clock Control screen enables you to change the clock settings. The clock retains its settings for approximately two weeks without mains power, after which it will need resetting when power is reconnected
Values are DDD HH:MM.
Return to the normal display by pressing the   button or leave to timeout and return automatically after 2 minutes.

The unit will not automatically switch for Daylight saving time.

Summer Mode Screen
From the Set Clock screen, simply press the   button twice to access the Summer Mode screen.
If the unit is a summer bypass model, the Summer Mode screen enables you to switch the summer bypass control on or off. This screen is only displayed when the bypass is fitted.
Options available are On (default) and Off.
Return to the normal display by pressing the   button or leave to timeout and return automatically after 2 minutes.

Indoor Temp Screen
From the Summer Mode screen, simply press the  button 3 times to access the Indoor Temp screen.
The Indoor Temp screen enables you to choose the target room temperature in degrees Centigrade – only displayed when the bypass is fitted.
Selectable range is 16-40 (25 default).
Return to the normal display by pressing the   button or leave to timeout and return automatically after 2 minutes.

Boost & Purge Screens

• Boost Screen
  Pressing the   button activates boost airflow mode when extra ventilation is required.

If the installation has switch sensors, is wired to the lighting or if the internal time switch is set for periodic operation, operation will change from normal to boost automatically. Pressing the button will reveal a code to show which device has activated boost.

  * s1 = Switch S/W1
  * s2 = Switch S/W2
  * s3 = Switch S/W3
  * s4 = Switch SW4
  * s5 = Switch SW5
  * ls = Switched live (LS)
  * c1-3 = Internal Time switch  

If running on boost due to pressing the  button, a device will ‘take over’ the boost. Flow will return to low / normal when that device switches off. If a number of different devices are calling for boost flow, the unit will run at boost until the last one has reverted to normal.

• Purge Screen
  Pressing and holding the button for 5 seconds activates purge mode when you want to purge air from the building. The unit will revert to normal flow by pressing and holding the  button again for 5 seconds. If the wireless boost option is fitted, this can be triggered from the wireless transmitter/boost switch. Purge mode runs the fans at full speed for 2 hours (120 minutes). The Purge screen displays a countdown of the time remaining.

• Low Airflow Screen
  Low Airflow mode is activated when the Normal Airflow is set to Off. The Normal Airflow mode can be set to run during the daytime i.e. from 6am to 11pm, the Low Airflow mode will then run during the night from 11pm to 6pm.

Status Message Screens
The status message screens override the Normal Airflow and other user screens, and display status and key operational conditions (temperatures or pressures, etc.) according to how the unit has been configured. If there is more than one status item to be displayed, the highest priority message is shown. These screens are displayed in a loop during normal operation of the unit, either after displaying the start-up screens, or when commissioning has been completed. After a few seconds the display backlight is turned off in order to minimise power consumption. The  and  buttons can be used to stop the loop sequence in order to display individual screens for a longer period with the backlight turned on, if required.

• Dryout Mode Screen
  The Dryout Mode screen displays the time remaining for the building to dry out. The unit runs at maximum flow for 1 week.

• Defrost Active Screen
  The Defrost Active screen displays the status of the defrost (antifrost) mode. If the external air drops below 0°C, to reduce the risk of frost forming in the heat exchanger the defrost mode is activated. Defrost mode can either alter the airflows or open the bypass and will be pre-set by the commissioning engineer.
  Bottom line of display may be (Airflow Mode, Bypass Mode).

  • Airflow Mode – When the supply air temperature is between 0° and -20°C, antifrost will automatically activate. This will reduce the supply airflow rate and increase the extract airflow rate to prevent frost forming on the heat exchanger. During antifrost operation the supply motor can stop for 15 minutes and run for 45, depending on the temperature below 0°C. If the supply air temperature is -20°C or below the supply fan switches off and the extract fan continues to run at reduced rate to prevent frost forming on the heat exchanger.
  • Bypass Mode – While the supply air temperature is below 0°C, the defrost mode will automatically activate. This mode will open the bypass to prevent frost forming on the heat exchanger.

• Heating Failure Screen
  The Room Too Cold screen displays the status of the fan. If the heating system in the building fails or is switched off and the internal temperature drops below 5°C, the unit will stop running so as to not bring cold air into an already cold house. The unit will start up every hour and will run for a short time to measure the temperature of the property. When the temperature rises, e.g. the heating system is switched back on, the unit will restart and continue normal operation. Bottom line of display may be ( Fan Off, Fan Restarting).

• BMS Screen
  The BMS screen shows if a Fan Off command has been received from a Building Management System (BMS), if used. A Fan Off command could be received from the BMS in the event of a fire alarm.

Maintenance

Caring for the Unit
Heat recovery units, by their very nature, require regular maintenance. The Sentinel Kinetic unit has been designed to facilitate access to enable maintenance to be carried out easily.

Filter Maintenance

ensure that the filters are not so dirty that they are blocking the airflow or allowing dirt to pass through. The rate at which the filters become dirty will vary hugely depending on the environment and the activity within the property.

1. Remove 2 filter cover plates and filters.

2. Clean gently by tapping or carefully using a vacuum cleaner if necessary.

3. Replace the filters and cover plates

4. Reset the automatic message, press and hold the  and  buttons for 5 seconds.

12 Monthly Maintenance

on which environment the unit has been installed; urban, suburban or rural.

1. Remove 2 filter cover plates and filters.

2. Insert the replacement filters.

3. Replace the filters and cover plates.

4. Reset the automatic message, press and hold the  and  buttons for 5 seconds.

Unit & Heat Exchanger Cell| Inspect and clean the unit: See the following pages
Motors| Inspect the motors for build-up of dust and dirt on the impeller blades, which could cause imbalance and increased noise levels. Vacuum or clean if necessary.
Condensate Drain| Check the condensate drain tube is secure and clear of debris. Clean if necessary.
Fastenings| Check that all unit and wall-mount fastenings are sufficiently tight and have not become loose. Re-tighten if necessary.

• Stage 1: Isolate the mains power supply and remove the Filter access Panels and Filters. Undo the securing screws and remove the Cover.

• Stage 2: Loosen the Condensate Pipe Jubilee Clip and remove Pipe from Condensate Tray.

• Stage 3: Remove the Condensate Tray.
  Note: Remove the additional Security Strap on the 300ZH before removing the Condensate Tray
  Caution: Keep the Tray as horizontal as possible as this may contain condensate.

• Stage 5: Remove the two Heat Exchanger fixing Brackets and Heat Recovery Cell.
  Note: Take care when removing the Heat Recovery Cell.

Cleaning the Heat Exchanger Cell:
Wash the outer cover and heat exchanger in warm water using a mild detergent (such as Milton Fluid) and dry thoroughly.

Reassembly after maintenance:
For re assembly, please reverse this process ensuring the Heat Exchanger Cell is re positioned with the “TOP” label visible and that the same level of care and attention is retained in re-applying all fixings to their previous locations.

Spares
The following spares may be ordered from Vent-Axia

Troubleshooting

Diagnosing a Problem
In the event of a problem, always troubleshoot the unit according to:

• Fault code displayed on the Remote Wired Control.
• Fault LED if connected.

If no indications are displayed, then troubleshoot problem according to the fault symptom as described in the following table.

Service/Fault Code Screens
The Service screen is displayed, alternating with the Fault Code screen, when a fault has caused the unit to switch off and you must phone the telephone number displayed on the screen for assistance.
The Fault Code screen is displayed, alternating with the Service screen, when a fault has occurred. Take note of the fault code when reporting a fault.

For assistance contact the service provider and quote the fault code number. The following fault codes numbers may be displayed. Code numbers are added together if more than one is detected.

Table 2: Fault Codes

PRODUCT FICHE
For Residential Ventilation Units (Complying Commission Delegated Regulation (EU) No 1254/2014)

Kinetic 300 ZH – 449536
SEC Class| A| A| A
SEC Value (‘Average’)| -39.08| -39.08| -37.20
SEC Value (‘Warm’)| -15.06| -15.06| -13.42
SEC Value (‘Cold’)| -81.78| -81.78| -79.51
Label Required? (Yes/No=Out of scope)| Yes| Yes| Yes
Declared as: RVU or NRVU/UVU or BVU| RVU/BVU| RVU/BVU| RVU/BVU
Speed Drive| Variable Speed| Variable Speed| Variable Speed
Type HRS (Recuperative, Regenerative, None)| Recuperative| Recuperative| Recuperative
Thermal Eff: [ (%), NA(if none)]| 79.00| 79.00| 77.00
Max. Flow Rate (m3/h)| 252.00| 252.00| 295.20
Max. Power Input (W): (@Max.Flow Rate)| 150| 150| 150
LWA: Sound Power Level (dB)| 57.43| 57.43| 58.23
Ref. Flow Rate (m3/s)| 0.05| 0.05| 0.06
Ref. Pressure Diff. (Pa)| 50| 50| 50
SPI [W/(m3/h)]| 0.39| 0.39| 0.50
Control Factor & Control Typology: (CTRL/ Typology)|  |  |
Control Factor; CTRL| 0.65| 0.65| 0.65
Control Typology| Local Demand Control| Local Demand Control| Local Demand Control
Declared: -Max Internal & External Leakage Rates(%) for BVUs or carry over (for regenerative heat exchangers only), -&Ext. Leakage Rates (%) for Ducted UVUs;| <5% Internal, <5% External| <5% Internal, <5% External| <5% Internal, <5% External

Mixing Rate of Non-Ducted BVUs not intended to be equipped with one duct connection on either supply or extract air side;

| N/A| N/A| N/A
Position and description of visual filter warning for RVUs intended for use with filters, including text pointing out the importance of regular filter changes for performance and energy efficiency of the unit| Refer to User Instructions| Refer to User Instructions| Refer to User Instructions
For UVUs (Instructions Install Regulated Supply/Extract Grilles Façade)| N/A| N/A| N/A
Internet Address (for Disassembly Instructions)| www.vent- axia.com| www.vent-axia.com| www.vent-axia.com
Sensitivity p. Variation@+20/-20 Pa: (for Non-Ducted VUs)| N./A| N./A| N./A
Air Tightness-ID/OD-(m3/h) (for Non-Ducted VUs)| N./A| N./A| N./A
Annual Electricity Consumption: AEC (kWh/a)| 2.50| 2.50| 3.09
Annual Heating Saved: AHS (kWh/a)|  |  |
AHS: Average| 44.66| 44.66| 44.24
AHS: Warm| 20.19| 20.19| 20.01
AHS: Cold| 87.36| 87.36| 86.55

The  Guarantee
Applicable only to products installed and used in the United Kingdom. For details of guarantee outside the United Kingdom contact your local supplier.

Vent-Axia guarantees its products for two years from date of purchase against faulty material or workmanship. In the event of any part being found to be defective, the product will be repaired, or at the Company’s option replaced, without charge, provided that the product:-

• Has been installed and used in accordance with the instructions given with each unit.
• Has not been connected to an unsuitable electricity supply. (The correct electricity supply voltage is shown on the product rating label attached to the unit).
• Has not been subjected to misuse, neglect or damage.
• Has not been modified or repaired by any person not authorised by the company.

IF CLAIMING UNDER TERMS OF GUARANTEE
Please return the complete product, carriage paid to your original supplier or nearest Vent-Axia Centre, by post or personal visit. Please ensure that it is adequately packed and accompanied by a letter clearly marked “Guarantee Claim” stating the nature of the fault and providing evidence of date and source of purchase.

Head Office: Fleming Way, Crawley, West Sussex, RH10 9YX
EU Authorised Representative: Vent-Axia Sigarenmaker 5 – 5521DJ Eersel Nederland authorisedrep@vent-axia.nl

UK NATIONAL CALL CENTRE: –

Sales Enquiries:

• Tel: 0344 8560590
• Email: sales@vent-axia.com

Technical Support:

• Tel: 0344 8560594
• Email: vatechsupport@vent-axia.com

For details of the warranty and returns procedure please refer to www.vent- axia or write to Vent-Axia Ltd, Fleming Way, Crawley, RH10 9YX

© 2021 Vent-Axia. All rights reserved.

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