Bryant PREFERREDT A07044 Installation Instructions Manual page 15

6. Match and connect equipment wires to proper terminals of each connector
block, being careful not to over tighten the screws. Correct polarity must
be observed when connecting the two wires from the Equipment Control
Module to the Thermidistat Control mounting base. If wires are con-
nected incorrectly, the Display Module will not operate. See Fig. 7, 8 and
9.
Control Module Wiring Guide Control Module Wiring Guide
OAT OAT
RRS RRS
OAT / OAT /
RRS RRS
{ { SRTN SRTN
return return
HUM HUM
D1 D1
dry dry
contact contact
D2 D2
connect connect
V+ V+
to user to user
Vg Vg
interface interface
Fig. 7 - - Control Module Wiring Guide
S Red is V+
S Black is Vg
Relays Relays
Rc Rc
Rh Rh
W / W1 W / W1
G G
Y used for Y used for
Y/Y2 Y/Y2 single stage single stage
cooling cooling
C C
O/W2/B O/W2/B
Y1 Y1
Y1 used for Y1 used for
multi-speed multi-speed
cooling cooling
Y1 = stage 1 Y1 = stage 1
Y2 = stage 2 Y2 = stage 2
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A07687