99
U. RIR2-SSB51-02
* High-P
ressur
e S
witch
Cut-out
490±1
0 PSIG
Cut-in
370±20 PSIG
*
Clogged F
ilt
er
Ther
most
at
NOTICE
Before diagnosing and/or servicing the unit, confirm that you have the proper
wiring diagram by checking against the diagram located on the evaporator case
cover.
N/O Close on
Temper
atur
e
Rise
C
ontr
ol T
ransf
or
mer
Output
10V
A
C at 1
15V
A
C Input
N/C Open on
P
ressur
e Rise
*
C
ontr
ol Boar
d
A
ut
omaticall
y A
djusts
to N/O or N/C
High
-P
ressur
e S
witch