6 Optional functions
218
SMGB0077 rev.0 - 01/2013
Cooling operation signal
On-screen display: 03.
This optional signal is used to pick up the cooling operation signal.
Connect the wiring and use the materials as indicated in Available ports.
N O T E
The X2 auxiliary relay contact closes when the cooling operation signal is enabled, regardless of whether the
thermostat signal is enabled or disabled.
Thermostat enabled signal during the cooling process
On-screen display: 04.
This optional signal is used to pick up the thermostat enabled signal for the compressor operating during the cooling
process.
Connect the wiring and use the materials as indicated in Available ports.
N O T E
The X1 auxiliary relay contact closes when the thermostat signal is enabled during cooling mode.
Heating operation signal
On-screen display: 05.
This optional signal is used to pick up the heating operation signal. The X2 auxiliary relay contact closes when the heating
operation signal is enabled, regardless of whether the thermostat signal is enabled or disabled.
Connect the wiring and use the materials as indicated in Available ports.
N O T E
The X2 auxiliary relay contact closes when the cooling operation signal is enabled, regardless of whether the
thermostat signal is enabled or disabled.
Thermostat enabled signal during the heating process
On-screen display: 06.
This optional signal is used to pick up the thermostat enabled signal for the compressor operating during the heating
process and to control a circulation pump or humidiîš¿er.
Connect the wiring and use the materials as indicated in Available ports.
N O T E
The X2 auxiliary relay contact closes when the thermostat signal is enabled during heating mode.
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