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Wiring
Page 41
Connection method C:
Suggestion: It is suggested that you use was a
thermostat from Honeywell, series of non-
programmabled thermostats, including the
TH5220D.
INDOOR UNIT OUTPUT WITH 24VAC 1.5A
OUTDOOR UNITINDOOR UNIT
THERMOSTAT
BROWN
RED
RED
YELLOW
GREEN
BLACK
24V~
XT1
L1(C1)
C1
N1
N1
The unit has a liquid level detecon interface.
If you choose this funcon, you need to
purchase a liquid level switch by yourself,
connect to the CN5 interface, and remove J1.
When the water receiving pan is full, the water
level switch is disconnected, the water level switch
is reported, and the whole machine stops.
WATER LEVEL SWITCH
CN5
J1
When there is a fault in the relay to close,
otherwise the relay disconnected. This port is a
passive outlet, you need to input a voltage
signal.
Optional function wiring:
•
Humidificaon control wiring
•
The fault warning
TO
HUMIDIFIER
WORK
HUMIDISTAT
24V control signal or 208/230V power supply
CN23
TO HUMIDIFIER
HUMIDISTAT
24-VAC
G
C
CN33
ALARM
Alarm
interface
Liquid level
switch
interface
Indoor and
outdoorunit
communicaon
interface
UVLED
•
Liquid level switch interface
Passive signal port CN33, when the fan is running,
the relay is closed, it needs to be connected with
24V control signal or 208/230V power supply,
then CN33 and serial humidistat and humidifier;
Acve 24V signal, connect the G and C ports of the
control panel in series with the humidistat and
then connect the humidifier. If the thermostat or
zone controller has a HUM interface, connect the
humidifier directly to the HUM and C ports.
When the humidity drops below the set value of
the humidistat, the humidistat is turned on, and
the humidifier receives a signal or power source
and starts humidifying operaon.
Cooling and Fixed-speed Type Only System Wiring
Diagram
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