9
4.1.3
Service Indicator
If the filters need replacing or the heat exchanger requires cleaning, the LED with the Service symbol will appear.
To establish what needs to be replaced/cleaned, you will need to access the Service Menu and review the Service
Log. Complete required actions and note the details on the Service & Maintenance Log located on page 13.
4.1.4
Service Log
This enables you to identify what your system requires, to review the Service Log:
4.1.5
Filter Status
If the Filter status within the “Service Log” is showing as 0 days the filters will
need to be replaced
(See Section 4.1.9).
4.1.6
Heat Exchanger Status
If the Heat Exchanger status within the “Service Log” is showing as 0 weeks the heat exchanger will need to be
cleaned (See
Section 4.1.10).
• Press control button to activate panel
• Scroll to “Service Menu” option and press button to enter
• First option is the “Service Log” which indicates the number of
logs for review, press button to enter
• Scroll through each log and press
button to return back to main
options within the Service Menu
S E R V I C E
L O G
[ 0 3 ]
• Press control button to activate panel
• Scroll to “Service Menu” option and press button to enter
• First option is the “Service Log” which indicates the number of
logs for review
• Scroll to “Filter Change” option and press button
• The request to reset timer will flash
• Press to confirm
• Screen will time out after 30 seconds
• Note details on the Service & Maintenance Log on page 13
C H A N G E
F I L T E R
< 3 6 5 d >
• Press control button to activate panel
• Scroll to “Service Menu” option and press button to enter
• First option is the “Service Log” which indicates the number of
logs for review
• Scroll to “H/Exch Change” option and press button
• The request to reset timer will flash
• Press to confirm
• Screen will time out after 30 seconds
• Note details on the Service & Maintenance Log on page 13
C H A N G E
H / E X C H
<
1 0 w >
4.1.2
Spare Parts.
A range of spare parts are
available as per the
following table:
Contact us for details, quoting
the serial number and product
name of the unit which can be
found on the underside of the
unit controller cover as shown
in 4.1.4 on page 9.
Part No Description
CA185FIL ISO Coarse >45% Filters (G3), 2 Pieces
CA185FIL.UPG ISO Coarse >60% Filters (G4), 2 Pieces
CA185EX Heat Exchanger
CA185WMFC Front Cover and Valance
CAWMBR Wall Bracket
CAWMCMD Display Screen
CAWMCM5C Power Connector with Flying Lead and Wiring Cover Plate
CAWMCMPCB Main PCB
- Motor
(contact Zehnder for details)
NOTE: If "fan failure" log is showing
please contact us or your installer
and quote your serial number which
can be found on the underside
of the unit controller cover.