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Installation Procedure
English
Installation Procedure
(*3) 1: Fan is turned on continually when the hot water heater is turned on,
3: Fan is turned off when the hot water heater is turned on with cooling only indoor unit
Cooling only indoor unit: To use this option, install the Mode Select switch(MCM-C200) on the outdoor unit and fix
it as cool mode.
(*4) When the following 2 or 3 is used as external heater On/Off signal, the signal for monitoring external contact
control will not be output.
2: Fan is turned on continually when the external heater is turned on,
3: Fan is turned off when the external heater is turned on with cooling only indoor unit
Cooling only indoor unit: To use this option, install the Mode Select switch(MCM-C200) on the outdoor unit and fix
it as cool mode.
- If Fan is set to off for cooling only indoor unit by setting the SEG9=3 or SEG15=3, you need to use an external
sensor or wired remote controller sensor to detect indoor temperature exactly.
(*5) When indoor unit is in cooling or Dry mode, The output signal is “ON”
(*6) For free cooling control, Economizer controller is required.
(*7) This function can be applied to 4 Way Cassette and Mini 4 Way Cassette only.
If the air conditioner operates the heating mode immediately after finishing the cooling mode, the condensate
water in the drain pan becomes water vapor by the heat of the indoor unit heat exchanger. Since the water vapor
might be condensed on the indoor unit, which may fall into a living space, use this function to get rid of the water
vapor out of the indoor unit by operating the fan (for maximum 20 minutes) even when the indoor unit is turned off
after cooling mode is turned to heating mode
CAUTION
Duct Indoor unit
Air Flow
Discharge side
Electronic heater should
not be installed
Suction side
• Do not install the electronic heater in the flow channel
of the indoor unit fan.
05 series installation option
SEG1 SEG2 SEG3 SEG4 SEG5 SEG6
0 5
Use of Auto Change
Over for HR only in
Auto mode / Use of
Cooling only indoor
unit of HR
(When setting SEG3)
Standard heating temp.
Offset
(When setting SEG3)
Standard cooling
temp. Offset
(When setting SEG3)
Standard for mode
change Heating →
Cooling
SEG7 SEG8 SEG9 SEG10 SEG11 SEG12
1
(When setting SEG3)
Standard for mode
change Cooling →
Heating
(When setting SEG3)
Time required for
mode change
Compensation option
for Long pipe or height
difference between
indoor units
MTFC (*3) -
SEG13 SEG14 SEG15 SEG16 SEG17 SEG18
2 - - - -
Control variables when
using hot water /
external heater (*4)
SEG19 SEG20 SEG21 SEG22 SEG23 SEG24
3 - - -
Forced FAN Operation
for Heating and
Cooling
-
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