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• Wiring for 1H and 1C thermostat:
W
Y
G
C
R
THERMOSTAT
DH
R
C
L
G
INDOOR UNIT
Note:
This is the least preferred method of control wiring and should
only be used for emergency situations. Full comfort capacity
may not be achieved using this method.
Optional function wiring:
Page 40
B W
W1 W2
E
R
C
Y1
Alarm
interface
Conden
Condensate
sate
overfl ow switch
overflow
interface
switch
interface
UVLED
Indoor and
outdoorunit
communication
interface
• Condensate overflow switch:
The unit will accommodate a
remote condensate overflow
switch. To enable, remove
jumper J1, and connect the
installer provided condensate
overflow device to CN5 per
Y1 Y2
B W D
L
below. When an overflow
OUTDOOR UNIT
condition is present,
the device should open
connection signaling the unit
to turn off the system.
WATER LEVEL SWITCH
• The fault warning
ALARM
Alarm output:
An alarm output (CN33)
can be utilized if actions
are required when a fault is
present. This is a passive outlet
port, so you will need to input
a voltage signal. The relay
is normally-open for normal
operation, and closed when a
fault condition is active.
• Humidifier control:
CN23
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