14
6. Match and connect equ ipment wires to proper terminals of each connectorblockbeing careful not to over tightenthe screws. Correctpolarity mustbeobserved when connecting the two wiresfrom the Equipment ControlModuleto the thermostatmounting base. If wires are connectedincorrect-ly,the Display Module willnot operate. See Fig. 7, 8 and 9.Relays
OAT
RRS
SRTN
HUM
D1
D2
V+
Vg
Rc
Rh
W / W1
G
Y/Y2
Y used for
single stage
cooling
C
O/W2/B
Y1
Y1 used for
multi-speed
cooling
Y1 = stage 1
Y2 = stage 2
Control Module Wiring Guide
connect
to user
interface
dry
contact
OAT /
RRS
return
{
Relays
OAT
RRS
SRTN
HUM
D1
D2
V+
Vg
Rc
Rh
W / W1
G
Y/Y2
Y used for
single stage
cooling
C
O/W2/B
Y1
Y1 used for
multi-speed
cooling
Y1 = stage 1
Y2 = stage 2
Control Module Wiring Guide
connect
to user
interface
dry
contact
OAT /
RRS
return
{