A SERVICE OF

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9 69-0816
Figs. 4 and 5 illustrate typical hookups for the
CT8611 heat pump thermostat.
M9077
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
DEFROST
CONTROL
C/O RELAY
HEAT
C/O RELAY
COOL
AUX. HT.
RELAY
FAN
EM. HT.
RELAY
MONITOR
R
C
O
B
G
E
W2
W1
Y1
L
P
L1
(HOT)
L2
1
1
CT8611R
COMPRESSOR
CONTACTOR
M9076
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
DEFROST
CONTROL
C/O RELAY
HEAT
C/O RELAY
COOL
AUX. HT.
RELAY
FAN
EM. HT.
RELAY
MONITOR
1ST STAGE
COOL RELAY
R
C
O
B
G
E
W2
W1
Y1
L
P
L1
(HOT)
L2
1
1
CT8611R
1ST STAGE
HEAT RELAY
Fig. 5Typical hook up of CT8611 with
jumper removed.
Fig. 4Typical hook up of CT8611 with
jumper intact.