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32
W
S
HP-OPEN
PRIMAR
Y
PRIMAR
Y
Fig. 1
5
—
Unit
s
wi
th De
lux
e
D a
n
d
WSHP
Ope
n
M
u
lt
ipl
e
Prot
oc
ol C
o
nt
rol
s
A50-8354
LEGEND
BM
—
Blo
w
er Motor
BR
—
Blo
w
er Rela
y
CO
—
Co
ndensate Ov
erflo
w
FSD
—
F
ir
e
/Smok
e
Detector
LW
T
—
Lea
ving W
a
ter T
e
mper
ature
N.
C.
—
No
rm
ally Closed
OA
D
—
Outside Air D
a
mper
OCC
—
Occupan
cy Input Co
ntact
RH
—
Re
lativ
e
Hu
midity
SA
T
—
Supply Air
T
e
mper
atu
re
SPT
—
Space T
e
mper
ature