Honeywell CT1503 User Manual
Page 11
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CT1502, continued
SlUGLE STAGE HEAT PUMP
{WiTHOUT AUXILIARY HEAT) SYSTEM
IFCOMPRESSOR IS CONNECTED TO OLD THERMOSTAT'S
■y TERMINAL WITH A JUMPER TO "W. USE NEW THERMOSTAT'S
-P" ^RMINAL FOR COMPRESSOR. IF OLD THERMOSTAT HAS
ONE WIRE TO -V" ANO ONE TO "W", USb 'V AND "W" ON NEW
THERMOSTAT: DO NOT USE "P". IMPORTANT- IF OLD
THERMOSTAT US£ S A W2 ÌAU XIUAPV O ft EM£ RG E NCV HEATj
TERMINAL, THIS THERMOSTAT MAY NOT BE USED THIS
THERMOSTAT fS NOT DESIGNED TO CONTROL AUXI LIARV HEAT.
SOME HEAT PUMPS USE "S'INSTEAD OF "0"
□
Connect the wires to matching terminals on
the subbase. Firmly tighten screws,
□
Push excess wire back into wall, and plug
hole in wall with nonflammable insulation to
prevent drafts from attecting thermostat operation.
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
hole in wall with nonilammable insulation to
prevent drafts from affecting thermostat operation.
69-0273—9