Raypak 241275 Installation And Operating Instructions Manual page 19

Cold water start and cold water run for hi delta & mvb heaters & boilers
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3-M
CALL OUT
- 1
C
- 2
C
3-C
- 4
C
- 5
C
- 6
C
7-C
- 8
C
1-M
- 2
M
- 3
M
- 4
M
1-S
2
S -
NOTE: Sizing is specific to this application.
2-M
DESCRIPTION
P
C
B
O
A
R
D
A
S
S
- Y
C
O
N
T
R
O
T
R
A
N
S
F
O
R
M
E
R
POWER SUPPLY 120VAC/12VDC
R
E
L
A
- Y
D
P
D
T
2
4
V
R
E
L
A
Y
S -
P
D
T
2
4
V
G
R
O
U
N
D
L
U
G
TEMP SENSOR 10K (NOT SHOWN)
R
E
S
E
T
S
W
T I
C
H
PUMP-WATER BR 2" FLANGE, 1/4 HP
PUMP-WATER CI 2" FLANGE, 1/4 HP
PUMP-WATER BR 2" FLANGE, 1/2 HP
PUMP-WATER CI 2" FLANGE, 1/2 HP
PUMP-WATER BR 2-1/2" FLANGE, 3/4 HP
PUMP-WATER CI 2-1/2" FLANGE, 3/4 HP
PUMP-WATER BR 2-1/2" FLANGE, 1 HP
PUMP-WATER CI 2-1/2" FLANGE, 1 HP
PUMP-WATER BR 2-1/2" FLANGE, 1.5 HP
PUMP-WATER CI 2-1/2" FLANGE, 1.5 HP
- 3
W
A
Y
V
A
L
V
E
2
N
P
T
2
4
C
v
- 3
W
A
Y
V
A
L
V
E
2
N
P
T
3
8
C
v
- 3
W
A
Y
V
A
L
V
E
2
N
P
T
5
7
C
v
- 3
W
A
Y
V
A
L
V
E
2
1 -
2 /
N
P
T
7
4
3-WAY VALVE 2-1/2 NPT 100 Cv
A
C
T
U
A
T
O
R
T
H
E
R
M
O
M
E
T
E
R
V -
E
R
T
C I
A
L
CONTROL BOX SHEET METAL
C
O
N
T
R
O
L
B
O
X
C
O
V
E
R
1-M
HI DELTA
L
0
1 1
0
1 1
011719F
0
1 1
0
0
0
0
010787F
0
0
007226F
007232F
007348F
007354F
007348F
007354F
0
1 1
0
1 1
0
1 1
C
v
0
1 1
011724F
0
1 1
0
0
011716F
19
MVB
7
1
7
F
0
1 1
7
1
7
F
7
1
8
F
0
1 1
7
1
8
F
011719F
7
2
0
F
0
1 1
7
2
0
F
9
0
3
9
F
0
0
9
0
3
9
F
7
1
5
5
F
0
0
7
1
5
5
F
010787F
5
6
4
1
F
0
0
5
6
4
1
F
007226F
007232F
N/A
007347F
N/A
007353F
007348F
007354F
007348F
007354F
N/A
007937F
N/A
007938F
9
3
9
F
0
1 1
9
3
9
F
7
2
1
F
0
1 1
7
2
1
F
7
2
2
F
0
1 1
7
2
2
F
7
2
3
F
0
1 1
7
2
3
F
011724F
8
3
4
F
0
1 1
8
3
4
F
0
9
1
9
0
0
0
9
1
9
011716F
N
A /
0
1 1
9
7
8
F
4-M

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