Honeywell CT1501 Installation Manual page 11

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 . U S t ' Y AND " W ' O N NEW
THERMOSTAT, DO NOT U S E " 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