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For CT1501 heating/cooling
Connect the wires to matching terminals on
the subbase.
4-WIRE SYSTEM
U
U
5-WIRE SYSTEM
I
I
I
I
RELAY OR
CONTACTOR
VALVE COIL
I
I
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND
M2&13
NOTE:
If
there are four wires, connect wire
marked R to terminal
R H
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.
I
I
A
POWER
SUPPLY. PROVIDE DISCONNECT MEANSAND
OVERLOAD PROTECTION
AS
REOUIRED.
A
INSTALL JUMPER BETWEEN
RC AND
RH.
M a "
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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