O/W2
Y1
R
G
Y/Y2
W/W1
C
B
L DO NOT USE S1
TB2
RC
RH
W1
W2
Y1
Y2
G
C
X
11
2
FIELD RELAY
4
C2
FIELD
RELAY
C1
S2
542J150 and 180
NOTES:
1.Field relay P/N HN61KK224.
2.Set switch A to OFF (air conditioning). The 542J units do not have an ``O'' terminal.
COMMERCIAL
THERMOSTAT
Fig. 3 Ð Thermostat Wiring (542J150 and 180)
O/W2
Y1
R
G
Y/Y2
W/W1
C
B
L
DO NOT USE
S1
S2
COMMERCIAL
THERMOSTAT
TB3
W2
W1
R
C
Y1
Y2
G
X
Fig. 4 Ð Thermostat Wiring (558G,H240-360 and 580G,H240-360)
Ð4Ð