Lux Products P521Ub Thermostat User Manual


 
NOTE: THE BLACK TERMINAL LETTERS ARE TYPICAL, GRAY TERMINAL LETTERS ARE BRAND SPECIFIC
W1
4
W
XF
G
B*
W2
RH
V
R
W1 A W2O B CG Y RC RH
1-STAGE OR 2-STAGE, HEATING ONLY
(INCLUDING MILLIVOLT)
(2-WIRE HEAT USE “RH” & “W1”)
Factory RH-RC Jumper Wire Installed
#12, 3, 4, 5 WIRES
C
HEATER
STAGE
1
STAGE
2
FAN
SYSTEM 24V
TRANSFORMER
SYSTEM COMMON
FAN WIRE
MAY NOT BE
PRESENT IN
ALL SYSTEMS
O
P
T
I
O
N
A
L
9