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Installation
1
From heating system
2
From 24 VAC transformer
3
From fan relay
4
From cooling system
NOTE: Thermostat must have batteries installed.
MV 6 Y G W
O B
RC RH
MVWRHRCGYOB6
M
V
RH
A
G
Y
4
C D
3
RC
2
1
L
M
KJ
1
I
Figure 5. Typical wiring diagram for two-wire millivolt heating & three-wire cooling systemFigure 5. Typical wiring diagram for two-wire millivolt heating & three-wire cooling system
Figure 5. Typical wiring diagram for two-wire millivolt heating & three-wire cooling systemFigure 5. Typical wiring diagram for two-wire millivolt heating & three-wire cooling system
Figure 5. Typical wiring diagram for two-wire millivolt heating & three-wire cooling system
See page 10 for letter identification.