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CT1502,
continued
SINGLE STAGE HEAT
PUMP
(WITHOUT AUXILIARY HEAT)
SYSTEM
I-
-1
For CT1503
750-millivolt heating
Connect either wire to
R
terminal and the
other wire to
W
terminal. Firmly tighten
screws.
Push excess wire back into wall, and plug
0
hole
in
wall with nonflammable insulation
to
prevent drafts from affecting thermostat operation.
0
0
/
1
L'
+
(HOT)
u+
A
POWER SUPPLY PROVIDE DISCONNECT
MEANS
AND
OVERLOPD
PROTECTION AS REQUIRED
A
IFCOMPRESSOR
ISCONNECTEDTO OLDTHERMOSTATS
"YTERMINAL WITH A JUMPERTO"W, USE NEW THERMOSTATS
"PTERMINAL FORCOMPRESSOR. IFOLOTHERMOSTATHAS
ONE WIRETO"Y"AND0NE TO
"W.
USt'Y
AND
"W'ON
NEW
THERMOSTAT,
DO NOT
USE"P.
IMPORTaNT-
IF
OLD
THERMOSTAT USES
A
W2 (AUXILIARY
OR
EMERGENCY HEAT)
TERMINAL, THIS THERMOSTAT MAY NOT BE USED THIS
THERMOSTAT
IS
NOT DESIGNED
TO
CONTROL
AUXILIARY
HEAT
M211511
A
SOMEHEATPUMPSUSE"B"INSTEAD0F"O'
Connect the wires to matching terminals on
Push excess wire back into wall, and plug
prevent drafts from affecting thermostat operation.
0
the subbase. Firmly tighten screws.
0
hole
in wall with nonflammable insulation to
CQZOOA
OR
0313A
THERMOPILE
M24IB
9
69-0273-9