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127408-YIM-B-0606
Unitary Products Group 17
FIGURE 17 - ELECTRONIC THERMOSTAT FIELD WIRING
W 2
R C
R H
Y 1
Y 2
W 1
G
C
X 1
X 3
X 4
A 1
A 2
T
T
W 2
Y 1
Y 2
W 1
G
C
O C C
X
R
T H E R M O S T A T
1
T E R M I N A L S
U N I T T E R M I N A L S
S T R IP T B 1
1
E le c t r o n ic p r o g r a m m a b le T h e r m o s ta t 2 E T 0 7 7 0 0 1 0 0 2 4 ( in c lu d e s s u b b a s e ) .
2
T e r m in a ls A 1 a n d A 2 p r o v id e a r e la y o u tp u t t o c lo s e th e o u t d o o r
e c o n o m iz e r d a m p e r s w h e n t h e t h e r m o s
t a t s w i tc h e s t o t h e s e t- b a c k p o s it io n .
2 4 V o lt
T r a n s f o r m e r
2
T O R E M O T E S E N S O R
2 E T 0 4 7 0 1 3 2 4 IF U S E D
FIGURE 18 - FIELD WIRING 24 VOLT THERMOSTAT
O C C
W 1
W 2
Y 1
G
Y 2
X
R
S D
C
R E M O T E
M I N P O S
W 1
W 2
Y 1
G
Y 2
C
U N I T C O N T R O L
B O A R D
T - S T A T
R H
R C