20
Fig. 2
1
—
Unit
s
wi
th Comple
te
C
a
n
d W
S
HP Ope
n
Mul
tiple
Protoc
ol
C
o
nt
rols
WH
S
P-OPEN
A50-8355
LEGEND
BM
—
Blo
w
er
Motor
BR
—
Bl
o
w
er Rela
y
CO
—
Condensate Ov
erflo
w
LW
T
—
Lea
ving W
a
ter T
e
mp
er
ature
N.C.
—
Nor
m
ally Clo
s
ed
OA
D
—
Outside Air Damper
OC
C
—
Occupancy Inp
u
t Contact
RH
—
Relativ
e
Humidity
SA
T
—
Supply Air T
e
mper
ature
SPT
—
Space T
e
mper
atu
re