Carrier 33CS Installation, Start-Up, And Operating Instructions Manual page 5

O/W2
Y1
R
G
Y/Y2
W/W1
C
B
L
DO NOT USE
S1
S2
COMMERCIAL
THERMOSTAT
Fig. 4 — Thermostat Wiring (50HJQ014,016)
O/W2
Y1
R
G
Y/Y2
W/W1
C
B
L
DO NOT USE
S1
S2
COMMERCIAL
THERMOSTAT
Fig. 5 — Thermostat Wiring (48/50EJ,EK,EW,EY024-068 and 50EJQ,EWQ024,028)
50HJQ014,016
NOTES:
1. Field Relay P/N HN61KK224.
2. Set DIP switch A to OFF. Set DIP switch B to ON.
WIRE NUT
SHIELD (CUT AND
TAPE BACK)
REMOTE
ROOM
SENSOR
(P/N ZONECC0RRS01)
NOTES:
1. Set DIP switch A to OFF. Set DIP switch B to ON.
2. Emergency heat not available on heat pump units.
5
TB2
RC
RH 2
FIELD RELAY
W1
4
W2
Y1
Y2
G
C
C2
FIELD
X
RELAY
C1
11
TB3
W2
W1
R
C
Y1
Y2
G
X
UNIT
GROUND
48EJ,EK,EW,EY024-068
50EJ,EK,EW,EY024-068