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Y1
6
Y
A/C
UNIT
5 / 6 / 7 WIRES
CONVENTIONAL, NON HEAT PUMP
1 or 2-HEAT / 1-COOL, WITH TWO-TRANSFORMERS
NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL,
GRAY TERMINAL LETTERS ARE BRAND SPECIFIC
W1 4W
X
F
G
R VRH
REMOVE
Factory
RH-RC
Jumper
Wire
#5
C
FAN
24V HEAT
TRANSFORMER
OPTIONAL
SYSTEM COMMON
HEATER
(1ST STAGE)
W2
2ND STAGE
HEAT
R
V
RC
24V COOL
TRANSFORMER
14