ontents User / Homeowner Information Page Ventilation In Your Home ............2 General Overview ................. 3 Controls ..................4 Servicing and Maintenance ............8 Commissioning and Inspection Record ........15 Guarantee ..................20 Ventilation In Your Home Your home has a Heat Recovery Ventilation System installed. This consists of a continuously running Supply and Extract System with Heat Recovery that is linked by a network of ducts to extract air on a continual basis from the following areas (referred to as "wet rooms") in residential dwellings: •...
General Overview The product incorporates a Heat Exchanger that recovers the heat energy from the "extract air" that would normally be lost with other ventilation systems. It does this using minimal power consumption as the product uses EC low energy motors. 2.1.1 Depending on the way your ComfoAir 155 WM unit has been installed, the specific operation may vary.
Controls This section covers how to operate your ComfoAir Compact Heat Recovery unit. Overview of Integral LCD Display Control Information Panel Meaning Control Information Panel Control Button Control Summer ByPass LED Button Frost Protection LED Service/Fault LED Summer Frost Service/Fault ByPass Protection USER / SERVICE / EXAMPLES MENU...
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3.1.1 How to navigate through the unit menu 1. Lift cover on front of unit. 2. Press the 'Control Button' to activate the panel. 3. Rotate the button clockwise or anti-clockwise to required setting of either 'User Menu' or 'Service Menu' and press the button.
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3.1.2 Description Function Smart Humidity Smart Humidity monitors the ambient humidity within the “wet” room environment and looks for short peaks of humidity made by either showering or bathing. This smart technology ensures that your ComfoAir 155 WM is not on boost for prolonged periods of time.
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3.1.5 Smart Summer Bypass Manual Override To manually override the Smart Summer Bypass Mode: • Press control button to activate panel • Scroll to “User Menu” option and press button to enter S U M M E R B Y P A S S •...
LCD Control on ComfoAir 155 WM • Press control button to activate panel O O S T • Scroll to "User Menu" option and press button to enter < 3 0 M > • Scroll to "GRC1 Boost" option and press button •...
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4.1.2 Spare Parts. Part No Description A range of spare parts are CA155FIL ISO Coarse >45% Filters (G3), 2 Pieces available as per the CA155FIL.UPG ISO Coarse >60% Filters (G4), 2 Pieces following table: CA155EX Heat Exchanger CA155WMFC Front Cover Set Contact us for details, quoting the serial number and product CAWMBR...
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4.1.7 Run Time To review the length of time your unit has been in operation: • Press control button to activate panel • Scroll to “Service Menu” option and press button to enter R U N T I M E - D A Y S 3 0 ] •...
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4.1.10 To Clean the Heat Exchanger and Motor Impeller • Clean approximately at five year intervals. Important Note: Do not attempt to clean the heat exchanger with detergent.
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4.2.0 Access for Maintenance 250 mm 500 mm 500mm TopView Side View 4.2.1 To clean the valves • Clean any valve present in your home at least every six months. Step 1 Keep hold of the valve on its outer edge and pull it completely out of the wall or ceiling with a rotating movement.
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4.2.2 Service & Maintenance log 6 months after installation Activity Clean the valves Fill the condensation drain of the domestic waste-water system 12 months after installation Activity Clean the valves Fill the condensation drain of the domestic waste-water system Replace the filters (note filter serial number within activity section) Clean the heat exchanger Clean the motor impellers Date...
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6 months after installation Activity Clean the valves Fill the condensation drain of the domestic waste-water system 12 months after installation Activity Clean the valves Fill the condensation drain of the domestic waste-water system Replace the filters (note filter serial number within activity section) Clean the heat exchanger Clean the motor impellers Date...
Commissioning & Inspection Record This section should be used to record all installation details. The Commissioning Engineer should use the following Parts 1 to 3, to record important information relating to the installation, of which, copies should be given to the Building Control Body (BCB), the Developer, the installer and also be incorporated into the Homeowner Pack for the homeowner to keep.
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2.2 Installation Engineer’s Details Name Company Address Line 1 Address Line 2 Telephone Number Post Code Signature Competent Person Scheme / Registration Number (if applicable) Date of Installation (completion) Part 2b - Inspection of Installation This section should be completed before completing Part 3 2.3a Visual Inspections - General (all Systems) Tick as appropriate Total installed equivalent area of background ventilators in dwelling?
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2.3c Other Inspections - General (Systems 1,3 and 4 only) Upon initial start up, was any abnormal sound or vibration experienced, or unusual smells detected? 2.3d Inspector’s Details Name Company Address Line 1 Address Line 2 Telephone Number Post Code Signature Competent Person Scheme / Registration Number (if applicable)
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3.4 Air Flow Measurements (supply) - Systems 4 only Measured Design Air Flow Measured Design Air Flow Room reference (If applicable) Air Flow High Rate (l/s) Air Flow Low Rate (l/s) (location of Measured Air High Rate (l/s) Refer to Table Low Rate (l/s) Refer to Table terminals)
The Guarantee Period This Zehnder ComfoAir 155 WM has a 2 Year Guarantee as standard with the option to extend to a 6 Year Guarantee, subject to registration. Terms and conditions apply. 6.1.1 This does not affect your statutory rights. 6.1.2 Full details available at www.zehnder.co.uk All information is believed correct at time of going to press.
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