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© 2016 Mitsubishi Electric US, Inc.
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* If a heater is installed in the duct, do not use CN4Y. By doing so, the fan will turn off when the heater is on,
which may result in fire.
9-2. Fan control
Fan Speed Setting *3
Mode
Setting
Mode No.
Setting
Initial Setting
Heating Thermo-OFF
DEFROST or ERROR
Fan Control
Very Low
Very Low
25
1
ż
STOP
Remote Controller Setting
25
2
-
Remote Controller Setting
Remote Controller Setting
25
3
-
*3 Refer to the Installation Manual for function settings.
By setting the Mode No. 23 in the Function Table in section 9-1 and using CN4Y from the CN24RELAY-KIT-CM3 kit, the
following patters of fan control will become possible.
Fan Control Patterns
CN4Y for FAN control
(CN24RELAY-KIT-CM3)
Mode (function)
No. 23 (123)
Heater operation in
defrost and error *1
Fan operation in
defrost and error
Fan (All modes
other than defrost
and error)
Factory Setting
Enabled
1
OFF
STOP
Set (Heater ON)
Ɣ
2
ON
STOP
High*2 (Heater ON)
ņ
*1 Heater will not operate during all error modes. Heater will only operate during a communication error between indoor unit and
outdoor unit
*2 While the heater is on, the fan will operate at high speed regardless of the fan setting on the remote controller.
Summary of Contents for M-SERIES
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