57
Fig. 7 — Condenser Fan Staging Sequence
LEGEN
D
MM
—
Moto
rmaster
OAT
—
Outdoor Air Temperature
OF
C
—
Outdoor Fan
Contactor
OF
M
—
Outdoor Fan
Motor
SCT
—
Saturated Co
ndensing T
e
mpera
ture
S
iz
e
030,
035
Cont
ac
to
r
O
FM(s
)
ci
g
o
L
d
ell
ort
n
o
C
d
ell
or
n
o
C
dr
a
o
B
er
a
wtf
o
S
ti
u
cri
C
Com
m
o
n
C
ONDF
A
N
1
M
B
B
Rl
y
6
O
F
C
1
O
F
M
1
Com
p
A
1
or B
1
ON
C
o
mmo
n
C
O
N
D
F
AN
2
M
BB R
ly 5
O
FC
2
O
FM2
C
ir
c
u
it A o
r B SC
T o
r O
A
T
# of Fans ON
Fans ON
M.M. = Y
ES OR
N
O
S
tage 1
OFC1
1
OFM1
S
tage 2
O
FC1,
2
2
OFM1,
2
Low A
m
bient
P
rest
a
rt
1 (OA
T
≤
50F) =
S
tage 1
Low A
m
bient
P
res
ta
rt
2 (50F <
OA
T <
70F) =
S
tage 2
Hi
gh A
m
bi
ent
P
rest
a
rt
(OA
T
≥
70F) =
S
tage 2
A
llow Fan S
taging if
OA
T <
70F
S
iz
e
040
Cont
ac
to
r
O
FM(s
)
ci
g
o
L
d
ell
ort
n
o
C
d
ell
or
n
o
C
dr
a
o
B
er
a
wtf
o
S
ti
u
cri
C
Com
m
o
n
C
ONDF
A
N
1
M
B
B
Rl
y
6
O
F
C
1
O
F
M
3
C
o
mp
A1
, B1
o
r B2
ON
C
o
mmo
n
C
O
N
D
F
AN
2
M
BB R
ly 5
O
FC
2
O
FM1
,2
C
ir
c
u
it A o
r B SC
T o
r O
A
T
M.M. = N
O
# of Fans ON
Fans ON
M.M. = Y
E
S
# of Fans ON
Fans ON
S
tage 1*
3
M
F
O
1
1
C
F
O
*
1
e
g
at
S
3
M
F
O
1
1
C
F
O
3,
2,
1
M
F
O
3
2,
1
C
F
O
2
e
g
at
S
2,
1
M
F
O
2
2
C
F
O
2
e
g
at
S
S
tage 3
O
FC1,
2
3
OFM1,
2
,3
Cont
rolli
ng Out
p
ut
Cont
rolli
ng Out
p
ut
CONTROL B
O
X
1
3
2
CONTROL B
O
X
1
2
A1
B1
B2
A1
B1
MM
MM
Low A
m
bi
ent
P
rest
a
rt
1 (OA
T
≤
T
A
O(
1 t
r
at
s
er
P t
n
ei
b
m
A
w
o
L
1
e
g
at
S
=
)
F
0
5
≤
50F) =
S
tage 1
2
e
g
at
S
=
)
F
0
7
<
T
A
O
<
F
0
5(
2 t
r
at
s
er
P t
n
ei
b
m
A
w
o
L
2
e
g
at
S
=
)
F
0
7
<
T
A
O
<
F
0
5(
2 t
r
at
s
er
P t
n
ei
b
m
A
w
o
L
High A
m
bient
P
rest
a
rt
(OA
T
≥
T
A
O(
tr
at
s
er
P t
n
ei
b
m
A
h
gi
H
3
e
g
at
S
=
)
F
0
7
≥
70F) =
S
tage 2
F
0
7
<
T
A
O f
i
g
ni
g
at
S
n
a
F
w
oll
A
F
0
7
<
T
A
O f
i
g
ni
g
at
S
n
a
F
w
oll
A
* S
tage 1 v
a
lid only
when OA
T <
=
55 F
CONTROL B
O
X
1
3
2
CONTROL B
O
X
1
2
A1
B1
B2
A1
B1
MM
MM
CONTROL B
O
X
1
3
2
CONTROL B
O
X
1
2
A1
B1
B2
A1
B1
MM
MM
CONTROL B
O
X
1
3
2
CONTROL B
O
X
1
2
A1
B1
B2
A1
B1
MM
MM
Summary of Contents for Weathermaster 48P2030-100
Page 130: ...130 Fig 19 Typical Power Schematic Sizes 040 075 Shown ...
Page 131: ...131 Fig 20 Main Base Board Input Output Connections ...
Page 132: ...132 Fig 21 RXB EXB CEM SCB Input Output Connections ...
Page 133: ...133 Fig 22 Typical Gas Heat Unit Control Wiring 48P030 100 Units Shown ...
Page 134: ...134 Fig 23 Typical Electric Heat Wiring 50P030 100 Units Shown ...
Page 135: ...135 Fig 24 Typical Power Wiring 115 V ...
Page 136: ...136 Fig 25 Typical Gas Heat Section Size 030 050 Units Shown ...
Page 138: ...138 Fig 27 Component Arrangement Size 030 035 Units ...
Page 139: ...139 Fig 28 Component Arrangement Size 040 075 Units ...
Page 140: ...140 Fig 29 Component Arrangement Size 090 100 Units ...
