42
Canadian Air Handler Installation and Operation
SYSTEM MENU
The system menu allows to modify the following
parameters:
Parameter
Description
AC/HP
TONS
Allows you to specify the tonnage of
the outdoor unit.
CFM/TON
Allows you to set a precise CFM per
TON ratio.
DEHUM
ON STATE
Defines if the dehumidification will
be active
-
high or active
-
low.
DEHUM
RATIO
Allows you to modify the
percentage of the cooling CFM that
will be delivered when
dehumidification is active.
AC Y1
RATIO
Allows you to modify the
percentage of the cooling CFM that
will be delivered when only a first
stage call for cooling (Y1) is active.
Parameter
Description
AC/HP ON
This parameter allows to set the wait
time before the fan starts when a call
is made on Y1 or Y2.
AC/HP
OFF
This parameter allows to set the time
the fan will keep running after the end
of a call on Y1 or Y2.
HEAT ON
This parameter allows to set the wait
time before the fan starts when a
heating call is made on W1 or W2.
HEAT
OFF
This parameter allows to set the time
the fan will keep running after the end
of a call on W1 or W2.
COOLING / HP MENU
The Cooling / HP menu allows to modify the
options regarding the behavior with an outdoor
unit.
DELAYS MENU
This menu allows to adjust timing parameters of
the unit.
Parameter
Description
FURNACE
MODEL
This parameter allows to manually
select the model of the unit. This pa-
rameter must be used when the con-
trol board is replaced. This is to be
set as CAH050E.
RESET
SYSTEM
Reinitialize all the user modifiable
parameters to their factory default.
Содержание CAH Series
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