Carrier EDGE PRO 33CS2PP2S-01 - Page 19

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Fig. 26 — Thermostat Wiring — Humidifier and Dehumidifier
Fig. 27 — Thermostat Wiring — Humidifier and Blower Fan
Rc
Rh
W1
G
Y2
C
O/W2/B
Y1
OAT
RRS
SRTN
HUM
D1
D2
V+
Vg
COMMERCIAL THERMOSTAT
DEHUMIDIFIER/
AUX
HUMIDIFIER
NOTES:
1. D1 and D2 can be used independently for equipment requiring a
dry contact.
2. If humidifier or dehumidifier has its own low voltage power
supply, do not connect directly to the thermostat. Use isolated
relays.
3. For humidifer control, 24-V is provided from the HUM terminal to
operate the equipment.
4. For dehumidifer control, 24-V is applied from Rc to the
dehumidifier through relay contacts D1 and D2.
a33-9186
Rc
Rh
W1
G
Y2
C
O/W2/B
Y1
OAT
RRS
SRTN
HUM
D1
D2
V+
Vg
COMMERCIAL THERMOSTAT
HUMIDIFIER
NOTES:
1. D1 and D2 can be used independently for equipment requiring a
dry contact.
2. If humidifier has its own low voltage power supply, do not
connect directly to the thermostat. Use isolated relays.
3. For humidifer control, 24-V is provided from the HUM terminal to
operate the equipment.
4. For fan control, 24-V is applied from Rh to the fan (G) through
relay contacts D1 and D2.
a33-9187