For CT1501 heating/cooling
Connect the wires to matching terminals
on
the subbase.
4-WIRE SYSTEM
U U
5-WIRE SYSTEM
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RELAY
OR
CONTACTOR
VALVE
COIL
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1
POWER SUPPLY.
PROVIDE
DISCONNECT
MEANS
AND
M2&13
NOTE:
If
there are four wires, connect wire
marked
R
to terminal
RH
and add a jumper
wire
to
connect to RC.
If
RC is left uncon-
nected, the air conditioner will
not
turn
on.
The
4-wire drawing
on
this page shows how to jumper
RC to
RH.
Strip the insulation off the wire
where if connects to the terminals. Firmly tighten
screws.
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A

POWER
SUPPLY.
PROVIDE
DISCONNECT
MEANSAND
OVERLOAD
PROTECTION
AS
REOUIRED.
A
INSTALL
JUMPER
BETWEEN
RC
AND
RH.
Ma"
If
the labels do not agree with the terminal
Refer
to
Table
2
on
page
8
Determine correct hookup from the listed
control function and the equipment control
circuit
designations
on
your new subbase
7
69-0273-9
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