Zehnder Rittling ComfoAir 155 WM Installation Instructions Manual Download Page 18

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3.1.10

Recommissioning Menu Structure

Port Configuration

Input password 1010 to proceed into Setup Menu screens

Rotate button to choose either RH (Right Hand) or LH (Left Hand) Configuration

Password

Extract High

Wizard airflow setting will be shown . . . rotate button to required airflow %

Supply High

Wizard airflow setting will be shown . . . rotate button to required airflow %

Extract Low

Wizard airflow setting will be shown . . . rotate button to required airflow %

Supply Low

Wizard airflow setting will be shown . . . rotate button to required airflow %

Humidismart

Rotate button to choose either ON or OFF (Default setting: ON)

Timersmart

Rotate button to choose either ON or OFF (Default setting: ON)

Setup Menu

Service Menu

User Menu

Recommissioning

See Homeowner Guide

Comfort Temp

Rotate button choose between 21ºC - 28ºC (Default setting: 22ºC)

EXIT

Rotate button to EXIT and press button to select

Extract AUX

variable option 15% - 100%

Supply AUX

variable option 15% - 100%

Summary of Contents for ComfoAir 155 WM

Page 1: ...ComfoAir 155 WM Mechanical Ventilation with Heat Recovery Installation Instructions CA155WM GB ...

Page 2: ... 2 0 Installation Instructions 4 General Preparation 4 Configuration 5 Mounting 6 Access for Maintenance 7 Condensate Drain 7 Ducting Guidelines 8 Electrical 9 Wiring the Unit 10 Connecting to the BMS 11 3 0 On Site Commissioning 14 4 0 Guarantee 20 Contents ...

Page 3: ...n low and high option ZGRC1 Hardwired boost and system status controller switching between low and high option ZGS1 Hardwired switch providing switching between low AUX and high option 1 1 5 Packaging includes 1 x Heat Recovery Unit 1 x Wall Fixing Bracket ComfoAir 155 WM Quick User Quick Installer Guide 1 1 6 Warning This appliance can be used by children aged from 8 years and above and persons w...

Page 4: ... required for compliance with local Building Regulations 2 1 2 Installation of the unit should be in accordance with the current editions of Building Regulations NHBC Compliance Guide and BS7671 IEE Wiring Regulations 2 1 3 The design material specification and installation must only be carried out by competent persons Electrical installation must be carried out by a qualified Electrician 2 1 4 IM...

Page 5: ... is part of a living area or bedroom 2 2 3 Consideration must be given to allow for adequate access for servicing maintenance and any fault diagnostics See Section 2 5 Access for Maintenance 2 2 4 The unit can be configured for right and left hand installation at a touch of a button by following the steps within the Commissioning Wizard See Section 3 1 4 Commissioning Wizard and does not require a...

Page 6: ...e wall can support 20kg 2 4 3 Use a spirit level to assist mounting and levelling the bracket Securely fix bracket to wall using suitable fixings 2 4 4 The unit fixes to the wall bracket by slotting the bracket attached to the back of the unit and hooking into place Note Fixing Bracket height will be critical in kitchen cupboard There should be no movement once correctly located and the filters sh...

Page 7: ...earest waste water network Ensure that steps are taken to minimise the risk of mechanical damage to the drainage pipe work IMPORTANT NOTE The condensate drain must incorporate a waterless trap or U bend to create an air block and avoid leakage of smells back into the unit If the unit is installed within a loft space please ensure that the condensate drain is insulated to prevent against freezing 2...

Page 8: ...must be insulated with at least 25mm of insulation 2 7 5 If applicable Fire Dampers MUST BE FITTED in accordance with Part B of the Building Regulations 2 7 6 Rigid Ducting Install using the fewest number of fittings to minimise resistance to air flow Where possible final connection to grilles and unit should be made with a flexible connection Mechanically fix ducts using metal jubilee clips and a...

Page 9: ...tch having a minimum contact separation of 3 0mm must be used to provide isolation for the unit 2 8 5 The recommended switches for use with this product are the Zehnder ZGS2 Optional 2 position hardwired switch ZGRC1 Optional boost system status hardwired remote switch ZGS1 Optional 3 position hardwired switch See Section 2 9 for wiring diagrams Note The unit may also be wired to a Building Manage...

Page 10: ... speed control via a light switch 2 9 2 Two speed control via ZGS2 switch 2 9 3 Three speed control via ZGS1 switch 2 9 4 Three speed control via a light switch for trickle boost speeds and an AUX speed activation via a ZGS2 switch Flying lead from CA155 Flying lead from CA155 Flying lead from CA155 Flying lead from CA155 ...

Page 11: ... a minimum separation distance of 35mm between the mains power and controller cables Supply cord BMS Connector Pre wired supply cord connector DO NOT DISCONNECT ComfoAir 155 WM Figure 4 Top View Cable grommet for BMS connection Pre wired supply cord not shown Warning Ensure that you use the cable grommet provided when connecting to the BMS to protect against potential water ingress Take care that ...

Page 12: ...ree normally closed contact 5 N O Volt Free normally open contact 6 Common Relay common Figure 6 ZGRC1 Controller Figure 7 BMS Wiring Diagram 1 2 3 4 5 6 1 2 6 5 4 3 N C N O COM ELECTRICAL CONNECTION TERMINAL DIAGRAM BOOST GND REM ZGRC1 REMOTE CONTROLLER ZGRC1 Option VOLT FREE CONTACTS GIVING FAULT IDENTIFICATION REM GND BATHROOM SW Volt free contact NOT RATED FOR MAINS SWITCHING BMS CONNECTOR RL1...

Page 13: ...clamp down with screw fixings 2 9 9 Refit electrical cover taking care gasket seal underneath is seated correctly and cable is not trapped 13 1 2 3 4 5 1 2 3 4 5 Pre wired supply cord not shown Figure 8 Securing BMS Wiring Cable not supplied Pre wired supply cord not shown Figure 9 Electrical Cover Attached Cable not supplied ...

Page 14: ...t Bottom line flashing cursor indicating next action to be reviewed changed P O R T C O N F I G R H d w f c k a b Example 2 Re confirmation screen Top line function statement Bottom line three selectable functions always come into screen with fwd flashing Option to move forward towards completion or back to re set function S E T U P C O M P L E T E i t x e c k a b Example 3 No editable variable in...

Page 15: ...e steps of the wizard are as follows 15 P O R T C O N F I G R H E X T R A C T H I G H 6 6 S U P P L Y H I G H 6 6 E X T R A C T L O W 3 3 S U P P L Y L O W 3 3 Port Configuration Set up Rotate button to choose either RH Right Hand Configuration or LH Left Hand Configuration High Set up Factory airflow set at 66 rotate button to required airflow Supply High Set up Factory airflow set at 66 rotate b...

Page 16: ...choose either ON or OFF Default setting ON Smart Timer Rotate button to choose either ON or OFF Default setting ON Setup Complete Rotate button to EXIT and press button to select Installer Settings 3 1 6 Valve Set up Set the fan speed approximately to achieve the desired extract high flow rate Close all windows and doors including the rooms in which measurements are being carried out The index ter...

Page 17: ...er indicators are NOT reset 3 1 8 Performance Graph Airflow Characteristics S E T U P M E N U p a s s w o r d e n t r y P A S S W O R D X X X X 3 1 9 To Re activate Commissioning Set up Wizard In the event that the unit needs to be adjusted once the commissioning wizard has been completed Press the control button to activate the unit Rotate button until the screen displays Setup Menu Press button ...

Page 18: ...ply Low Wizard airflow setting will be shown rotate button to required airflow Wizard airflow setting will be shown rotate button to required airflow Wizard airflow setting will be shown rotate button to required airflow Humidismart Rotate button to choose either ON or OFF Default setting ON Timersmart Rotate button to choose either ON or OFF Default setting ON Setup Menu Service Menu User Menu Re...

Page 19: ... Setup Menu Press button to select Enter Password 1010 by rotating the button to the respective number and press to select this has to be completed for each number prior to continuing Rotate button to Comfort Temp option and press to select the current setting status will flash Rotate to desired outcome between 21 C 28 C press button to select Default setting 22ºC Upon completion to save and exit ...

Page 20: ...ng to press E OE All goods are sold according to Zehnder s Standard Conditions of Sale which are available on request All dimensions referred to are in millimetres unless otherwise stated Zehnder Group International Sales reserves the right to change specifications and prices without prior notice Copyright Zehnder Group 2019 Zehnder Group UK Limited Watchmoor Point Camberley Surrey GU15 3AD Custom...

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