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Summary of Contents for Zehnder Rittling ComfoAir Compact CA155WM
- Page 1 ComfoAir Compact CA155WM / CA155CM / CA185WM Mechanical Ventilation with Heat Recovery User / Homeowner Guide CA155WM CA155CM CA185WM...
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Page 2: Table Of Contents
Contents User / Homeowner Information Page Ventilation In Your Home ................General Overview..................Controls ..................... Servicing and Maintenance..............Guarantee .................... -
Page 3: Ventilation In Your Home
1.0 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: •... -
Page 4: Controls
3.0 Controls This section covers how to operate your ComfoAir Compact Heat Recovery unit. Integral LCD Display Control Information Panel Control Button Summer Frost Service/Fault By-Pass Protection USER / SERVICE / SETUP MENU USER / SERVICE / SETUP COMMISSIONING WIZARD Below are examples/explanations of what you would see on your control panel. - Page 5 3.1.1 Function Description Smart Timer monitors the length of time that there has been an Smart Timer occupancy presence detected within a “wet” room (via the Switch Live) and provides a fixed over-run time period to best match the length of time that the Switch Live is active. (See 3.1.2 for adjust function setting On/Off ).
- Page 6 Smart Summer Bypass Manual Override 3.1.4 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 •...
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Page 7: Servicing And Maintenance
4.0 Servicing & Maintenance Warning: The units must be isolated from the Mains Supply before commencing any service or maintenance work. Your ComfoAir unit contains self-cleaning backward curved impellors that require no servicing. 4.1.1 Note: The motors have sealed for life bearings, which do not require lubrication. Periodic cleaning of the ceiling supply and extract valves should be carried out as required, taking care not to adjust the valves set position, as this may cause an unbalanced system, resulting in either under-ventilation or unnecessary over-ventilation occurring. - Page 8 Filter Status 4.1.4 If the Filter status within the “Service Log” is showing as 0 days the filters will need to be replaced (See Sections 4.1.8 CA155WM, 4.1.9 CA155CM and 4.2.0 CA185WM). • Press control button to activate panel • Scroll to “Service Menu” option and press button to enter C H A N G E F I L T E R •...
- Page 9 HR155WM FILTER step1 HR155WM FILTER step2 To replace the ComfoAir CA155WM Filters 4.1.8 • Replace at approximately 1 year interval. Step 1 Isolate ComfoAir CA155WM from the Step 2 Remove both filters from the unit by the HR155WM FILTER step1 HR155WM FILTER step3 Mains Supply. Pull down the top part (u) handles.
- Page 10 HR155CM FILTER step3 Step 3 Re-insert new filters into the unit. Step 4 Re-connect the front panel (u) into the condensation connection point and the bottom locating tabs and position back against the unit (v). Rotate the two retaining latches to secure (w). Turn the Mains Supply back on.
- Page 11 HR155WM FILTER step1 To Clean and Replace the ComfoAir CA155WM Heat Exchanger 4.2.1 HR155WM heat exchanger step2 • Clean approximately at two year intervals. • Replace approximately at five year intervals. HR155WM heat exchanger step3 HR155WM heat exchanger step4 Step 1 Isolate ComfoAir CA155WM from the Step 2 Unscrew the six heat exchanger locating Mains Supply.
- Page 12 HR155CM heatexchanger step2 HR155CM heatexchanger step1 To Clean and Replace the ComfoAir CA155CM Heat Exchanger 4.2.2 • Clean approximately at two year intervals. • Replace approximately at five year intervals. Step 1 Step 2 Isolate ComfoAir CA155CM from the Unscrew the six heat exchanger locating HR155CM heatexchanger step3 Mains Supply.
- Page 13 To Clean and Replace the ComfoAir CA185WM Heat Exchanger 4.2.3 HR185WM heatexchanger step3 HR185WM FILTER step1 • Clean approximately at two year intervals. • Replace approximately at five year intervals. Step 1 Step 2 Isolate ComfoAir CA185WM from the Unscrew the two valance screws (u) and Mains Supply. Pull down the top part of lift out (v) of locating tabs at the bottom HR185WM heatexchanger step4 the two front panels (u) and lift out (v)
- Page 14 HR185WM FILTER step4 Step 7 Step 8 Locate the front panels in the bottom tabs Locate the valance panel (u) in the (u) and click them back into place at bottom tabs (v) and secure in place with the top (v). Turn the Mains Supply back two screws (w).
- Page 15 Access for Maintenance 4.2.4 HR155WM Footprint of ComfoAir CA155WM 4.2.5 500mm Top View HR155CM Footprint of ComfoAir CA155CM 4.2.6 500mm Side View Footprint of ComfoAir CA185WM 4.2.7 HR185WM 600mm Top View...
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Page 16: Guarantee
5.0 The Guarantee Period This Zehnder product (ComfoAir CA155WM / CA155CM / CA185WM) has a 2 Year Guarantee. This does not affect your statutory rights. 5.1.1 Full details available on request. 5.1.2 All information is believed correct at time of going to press. E&OE. All goods are sold according to Zehnder’s Standard Conditions of Sale which are available on request.
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