Installation Manual

En-3
Setting example
1
2
Indoor
unit
CN14
(GREEN)
+
Power
Field supplied
Fan, other
Fuse
–
3.1.5. Auxiliary heater output setting
(Only duct type air conditioner)
• Youcancontrolelectricalheater(booster)by
synchronization with heating operation.
• Whentemperatureis-10to-3degreesfromsetpoint,
external electrical heater is ON.
• Whentemperatureis-1degreefromsetpoint,external
electrical heater stops.
JUMPER WIRE (INDOOR UNIT)
• Thisisusedtocontinueindoorunitfanoperationfor
1 minute after thermo OFF in heating mode.
• 1minutedelaycontrolsetbycuttingJM3onPCB.
Output signal
1
2
Operation
Stop
Indoor
unit
Heating
12 V
0 V
CN15
(Output)
Operation
Stop
Indoor
unit fan
1 min
Setting example
1
2
Indoor
unit
CN15
(ORANGE)
+
Power
Field supplied
External Heater, other
Fuse
–
CAUTION
 Pleaselocateexternalaheaterbetweentheindoorunit
and the ductwork.
Pleasebesuretousedelaycontrolofafan.
Supply air
External
Heater
Indoor
unit
Return air
3.2. Setting (TYPE B)
PCB
LAYOUT
CN10
Auxiliary
heater output
(Orange)
CN103
Operation
status output
(White)
Indoor
unit
PCB
Indoor
unit
PCB
CN102
Start/stop
input
(White)
CN6
Fan
linked
output
(Green)
SIGNAL SPECIFICATION
• Novoltage
• ON/OFFcontinuoussignal
• Contactcapacity:DC12V10mA
Edge signal
On
CN114
(Input)
Remote controller
Indoor
unit
Off
Operation
Stop
On
Pulse signal
Operation
Stop
CN114
(Input)
Remote controller
Indoor
unit
Off
200 ms
200 ms
200 ms
On
On
Off
Setting example
1
2
3
Ch1
Field supply
Indoor
unit
CN114
(White)
+
–
ConnectionofNo.2wireisnotrequired.
3.1.3. Operation status setting
• YoucandisplayairconditionerON/OFFoperationby
external output.
SIGNAL SPECIFICATION
• Novoltagecontact.
• Contactcapacity:Max.DC24V10mAto1Aorless
Output signal
2
1
Operation
Stop
Indoor
unit
SHORT
OPEN
CN115
(Output)
Setting example
2
1
Indoor
unit
CN115
(WHITE)
+
Operation
indicator
Field supply
Ic
Vc
–
3.1.4. Fan linked output setting
• Youcancontrolsubfanbysynchronizationwithfan
operation of indoor unit.
Output signal
1
2
Operation
Stop
Indoor
unit fan
12 V
0 V
CN14
(Output)
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