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About Advanced Features & Operation
Page 10
If the Two-Wire thermostat is losing time or
showing PF or P- it may be neccessary to
install the 10 watt 250 ohm resistor that
is supplied with the thermostat.
TWO-WIRE THERMOSTAT
INSTALLATION WIRING
HVAC Equipment
R
W1
C
Two-Wire Thermostat
2
5
0
O
H
M
1
0
W
A
TT
Resistor
(If Required)
L
S
G
R
N
D
R
S
R
S+
5
L