Manual
2100-553
Page
15 of 28
G
MIS-2975
2
E
3
A
W1
Y2
C
W2
1
Y1
Y
R
TERMINAL BLOCK
UNIT 24V
F
EL
ECT
R
IC
HEAT
ST
AG
E 1
24V COM
M
O
N (GROUNDED)
FA
N (B
LOWE
R
)
24V
HOT
O
PEN O
R
SPECI
A
L USE AS REQ
U
IR
ED
CO
M
P
RESSO
R
EL
ECT
R
IC
HEAT
ST
AG
E 2
N.
C.
CONTACT
N.
O.
CONTACT
C
O
MMON
VENT
IL
A
T
IO
N
(I
F
EQ
UI
PPED)
O
PEN O
R
SPECI
A
L USE AS REQ
U
IR
ED
"J
" MOD
U
LE
REF
R
IG
ERANT
AL
ARM
REL
A
Y
ECO
N
O
M
IZ
ER ST
AG
E 1
IF
EQ
UI
PPED
ECO
N
O
M
IZ
ER ST
AG
E 2
FIGURE 8
BASIC A/C with OPTIONAL ELECTRIC HEAT
NO ECONOMIZER
