Installation Manual
Canadian Air Handler Installation and Operation Manual   41 
SOFTWARE SETTINGS 
Configuration and installer menus allow you to 
modify both display and operational parameters of 
the unit. Navigation within the menus can be 
achieved using the up, down and select buttons. 
The up and down buttons allow to change menu, 
line or to modify a value. The center button allows 
to select or validate a parameter. 
CONFIGURATION MENU 
The configuration menu allows only the modifica-
tion of the display language and access to the 
“Troubleshoot” menu. Once the cursor is aligned 
with the “Language” line, press the center button 
to toggle from French to English. 
TROUBLESHOOT MENU 
This menu allows to see the various operating 
parameters of the appliance and is protected by a 
password. To enter the Troubleshoot menu, the 
following password must be entered: down arrow 
button, center button, up arrow button and center 
button. 
Parameter  Description 
CONT FAN 
RATIO 
Allows you to modify the airflow in 
continuous fan mode. 
HEAT FAN 
RATIO 
Allows you to modify the airflow in 
heating mode 
FAN W1 
RATIO 
Allows you to modify the airflow on 
the first stage of heating. 
HEAT OFF 
RATIO 
Allows you to modify the airflow dur-
ing the heat off delay. 
Parameter  Description 
Recirculation  Allows you to set the time before 
the unit will recirculate the water for 
one minute. 
W1 RATIO 
Allows you to modify the pump ratio 
(speed) on the first stage of  
heating.  
Purge  
Cycle 
Time during which the pump will 
operate after a call for heat to recu-
perate the residual heat from the 
water heater heat exchanger. 
Purge Ratio  Fraction of the time the pump is 
activated during the purge cycle. 
This parameter allows the water 
heater to operate during the purge 
cycle when it is set low enough 
PUMP MENU 
The pump menu allows to modify the options  
related to the external pump of the system: 
FAN MENU 
The fan menu allows to modify the options  
related to the comfort fan of the appliance: 
Parameter  Description 
CMD  Command requested by the  
thermostat 
CMDMOT 
The airflow requested in CFM 
RELAYS  State of the pump relay 
STATUS MENU 
This menu displays the operating parameters  
associated with the air handler: 
INSTALLER MENU 
The installer menu allows to modify the various 
operating parameters of the air handler. This 
menu is password-protected because only a quali-
fied installer should change the following settings. 
The password to access the installer menu is 
down arrow button, center button, up arrow button 
and center button. 
Password sequence to be entered. 
Password sequence to be entered. 










