Fujitsu AB*G14LVTA, Technical Manual

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AUXILIARY HEATER OUTPUT
„ „
Compact Cassette Slim Duct Wall Mounted Floor / Ceiling Floor
Connector
- CN10 - - -
A signal is outputed from Connector when indoor fan and compressor turn on under heating
operation.
* Signal output performance specifications are as
shown on the right
Ex. When Set Temperature(Ts) is 22°C;
▪
and Room Temperature(Tr) increase above 12°C,
signal output is on.
▪ and Room Temperature(Tr) increase above 21°C,
signal output is off.
▪ and Room Temperature(Tr) decrease below 19°C, signal output is on.
▪and Room Temperature(Tr) decrease below 10°C, signal output is off.
Fan delay setting (JM3)
„ z
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 jumper wire on PC board.
Circuit diagram example
„ z
* Make the distance from the PC board to the connected unit within 10 m.
Relay spec.: Rated DC 12 V, 50 mA to less.
ON
OFF
Operation
Stop
Heating
operation
Indoor unit fan
ON
OFF
Output signal
1min
CAUTION
Please place an external heater between the indoor unit
and the outlet.
Please be sure to use delay control of the fan.
Parts (Optional)
„ z
Compact Cassette Slim Duct Wall Mounted Floor / Ceiling Floor
Parts name
-
External control set
- - -
Model name
- UTD-ECS5A - - -
OFF
OFF
ON
Tr-Ts = -1°C
Tr-Ts
Tr-Ts = -3°C
Tr-Ts = -10°C
Tr-Ts = -12°C
Field supply
Indoor
control PC board
Connector
1
12 V
on/off
2
Signal
Relay
power
supply
Ex.) Heater
Connected unit
Ex.) Relay unit
*10 m
External
Heater
Supply air Return air
Indoor unit