Honeywell T874R Installation Instructions Manual page 6

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T874R THERMOSTATS AND Q674L SUBBASES
IH E R M O S IA I
_ _ _ _ A_ _ _ _
v POWER SUPPLY. PROVIDE DISCONNECT M EANS A N D OVERLOAD PROTECTIO N A S REQUIRED.
Fig. 9. Internal schematic and typical wiring diagram for Y594R1664 (T874R1871/Q674L1736) and Y594R1706
(T874R1913/Q674L1777). Exact replacement for York model no. 2TH11702224.
THERMOSTAT
A
r
Fig. 10. Internal schematic and typical wiring diagram for Y594R1615 (T874R1822/Q674L1710). TRADELINE;
intended for use in applications where W2 and E terminals are not jumpered.
69-0392—9
SUBBASE
N
/
SUBBASE
____A _ _ _ _
A
N /
6
SYSTEM COM PONENTS
_ _ _ _ _ _ _ _ _ A _
L1
L2
(HOT)
A
"
COM PRESSOR
CONTACTOR
SYSTEM COM PONENTS
A
N
W 3 RELAY
L1
(HOT)
L2

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