Raypak WH-90 Fascicule
ECONOPAK
TM
- COMMERCIAL HOT WATER SYSTEM
16
33
1
/
4
22
1
/
8
12
1
/
2
5
18
3
1
/
4
2
THERMOSTAT CONN
(ELECTRICAL CONN
ON OTHER SIDE)
GAS
CONN
CONN
3/4 NPT PIPE
TO DRAIN
TO DRAIN
A
11
7
/
8
6
INLET
OUTLET
3
1
/
8
MIN
19
26
1
/
4
1
/
2
K
L
G
10-1/4
3-7/8
26-1/2
38
3-7/8
21-1/4 ELECTRICAL CONNECTION
13-1/4 GAS CONNECTION
PUMP
(OPTIONAL)
PUMP COVER
(OPTIONAL)
OUTDOOR
MODELS ONLY
(C)
INDOOR
DRAFT
J
K
A
G
GAS
CONNECTION
40"
STACKLESS
OUTDOOR
TOP
INLET
OUTLET
H
WATER
CONN.
8-1/2"
26-1/2"
F
E
R
G
W
D
L
E
D
O
M
E
Z
I
S
T
U
P
N
I
)
H
U
T
B
M
(
-
N
I
R
O
O
D
-
T
U
O
R
O
O
D
Y
R
E
V
O
C
E
R
Δ
F
°
0
0
1
=
T
*
*
)
H
P
G
(
H
T
D
I
W
A
T
H
G
I
E
H
C
S
A
G
.
N
N
O
C
G
R
E
T
A
W
.
N
N
O
C
H
J
E
U
L
F
.
A
I
D
K
L
-
T
O
O
F
T
N
I
R
P
X
G
N
I
P
P
I
H
S
T
H
G
I
E
W
)
S
B
L
(
S
L
A
I
R
E
T
A
M
E
L
B
I
T
S
U
B
M
O
C
M
O
R
F
E
C
N
A
R
A
E
L
C
M
U
M
I
N
I
M
R
O
O
L
F
T
N
O
R
F
R
A
E
R
T
H
G
I
R
E
D
I
S
T
F
E
L
E
D
I
S
T
H
G
I
R
R
O
O
D
N
I
P
O
T
R
O
O
D
T
U
O
P
O
T
T
N
E
V
1
0
9
-
H
W
0
9
•
0
9
1
1
-
2
/
1
1
-
5
4
/
3
5
7
4
5
0
1
E
L
B
I
T
S
U
B
M
O
C
E
T
O
N
E
E
S
6
6
1
A
/
N
6
5
3
1
-
H
W
5
3
1
•
2
3
1
8
1
-
2
/
1
4
/
1
1
-
6
4
/
1
6
4
/
1
0
5
5
3
1
E
L
B
I
T
S
U
B
M
O
C
E
T
O
N
E
E
S
6
6
1
A
/
N
6
5
9
1
-
H
W
5
9
1
•
2
9
1
8
1
-
2
/
1
4
/
1
1
-
7
4
/
1
6
4
/
1
0
5
0
4
1
E
L
B
I
T
S
U
B
M
O
C
E
T
O
N
E
E
S
6
6
1
A
/
N
6
2
0
6
2
-
H
W
4
6
2
•
•
2
6
2
8
/
3
2
2
8
/
7
2
6
4
/
3
2
/
1
1
8
/
1
1
1
7
-
3
5
0
9
2
*
E
L
B
I
T
S
U
B
M
O
C
E
T
O
N
E
E
S
2
1
9
3
D
E
T
C
U
R
T
S
B
O
N
U
6
0
3
3
-
H
W
4
3
3
•
•
2
3
3
4
/
3
5
2
4
/
3
3
6
4
/
3
2
/
1
1
4
/
3
0
1
8
-
2
/
1
6
5
0
9
3
*
E
L
B
I
T
S
U
B
M
O
C
E
T
O
N
E
E
S
2
1
9
3
D
E
T
C
U
R
T
S
B
O
N
U
6
0
0
4
-
H
W
9
9
3
•
•
6
9
3
4
/
1
9
2
8
/
3
5
6
1
2
/
1
1
2
/
1
2
1
9
-
0
6
5
0
4
*
E
L
B
I
T
S
U
B
M
O
C
E
T
O
N
E
E
S
2
1
9
3
D
E
T
C
U
R
T
S
B
O
N
U
6
TANK
24 7/16
HEATER
LOWER
UPPER
26 1/2
38 1/2
X
TANK
24-7/16
HEATER
38 1/2
12
26-1/2
A
X
6-1/4
UPPER
LOWER
"RELIEF VALVE" LABEL
1" NPT COUPLING
8.00" DIAMETER
2" NPT
WATER
CONNECTION
WATER
CONNECTION
3/4" NPT COUPLING
"THERMOMETER" LABEL
MAGNESIUM ANODE
(.840 O.D. X 53")
(2 PLACES)
(.840 O.D. X 53")
(2 PLACES)
24 7/16"
DIAMETER
"SCALD DANGER" LABEL
INSULATION
STEEL TANK JACKET
NAMEPLATE/RATING
DECAL
DECAL
ASME IDENTIFICATION
PLATE WITH
SERIAL NUMBER
(ASME CODE TANKS ONLY)
PLATE WITH
SERIAL NUMBER
(ASME CODE TANKS ONLY)
SERIAL NUMBER
55 5/8"
2" NPT
WATER
CONNECTIONS
WATER
CONNECTIONS
3 5/8"
1 1/2" DIAMETER
(3 PLACES)
(3 PLACES)
DRAIN VALVE 3/4" NPT
"TO BOILER" LABEL
6 3/16"
13 3/16"
20 3/16"
"FROM BOILER"
LABEL
LABEL
3/4" NPT COUPLING
"TANKSTAT" LABEL
E
Z
I
S
K
N
A
T
)
S
N
O
L
L
A
G
(
E
P
Y
T
G
N
I
P
P
I
H
S
)
S
B
L
(
T
H
G
I
E
W
0
8
E
D
O
C
5
5
2
0
8
E
D
O
C
-
N
O
N
8
9
1
Drawing 1
MODELS WH-90, WH-135, WH-195
Drawing 1A-Footprint
Drawing 2
Drawing 2A-Footprint
MODELS WH-260, WH-330, WH-400
80-GALLON TANK
Tank must be ordered seperately
Raypak, Inc. reserves the right to make product changes or improvements at any time without notice.
Catalog No.: 3000.11H Effective: 03-01-08 Replaces: 06-01-02 Litho in U.S.A. ©1994-2008 Raypak, Inc.
Catalog No.: 3000.11H Effective: 03-01-08 Replaces: 06-01-02 Litho in U.S.A. ©1994-2008 Raypak, Inc.
Fig. 9287
Fig. 9286
RAYPAK,Inc.
2151 Eastman Avenue • Oxnard, CA 93030
805-278-5300 • Fax 800-872-9725 • www.raypak.com
805-278-5300 • Fax 800-872-9725 • www.raypak.com
* Installation on combustible floor requires optional shield. ** Based on manufacturer’s rating. Models available for use with either Natural Gas or Propane. A front clearance of at least 24 inches is recommended for ade-
quate service of burner tray and controls. Ratings shown are for elevations up to 2,000 feet. Ratings should be reduced at the rate of 4% for each 1,000 feet above sea level.
quate service of burner tray and controls. Ratings shown are for elevations up to 2,000 feet. Ratings should be reduced at the rate of 4% for each 1,000 feet above sea level.
All dimensions are in inches.
All dimensions are in inches.
MODEL
MAXIMUM AND MINIMUM FLOW RATES
HEATER RATE OF FLOW AND PRESSURE DROP
MAX. FLOW/MIN. ΔT
MIN. FLOW/MAX. ΔT
10°F (ΔT)
20°F (ΔT)
30°F (ΔT)
GPM
(°F )ΔT ΔP(FT)
GPM
(°F )ΔT ΔP(FT)
GPM
ΔP(FT)
GPM
ΔP(FT)
GPM
ΔP(FT)
WH-90
22
7
12.5
6
25
0.95
15
6.0
7.4
1.5
N/A
N/A
WH-135
33
7
10.0
9
25
0.75
22
4.6
11.1
1.2
N/A
N/A
WH-195
44
7
11.5
12
26
0.85
32
6.0
16
1.6
N/A
N/A
WH-260
45
10
9.4
20
22
1.90
45
9.4
22
2.2
N/A
N/A
WH-330
45
12
9.6
20
27
1.90
N/A
N/A
27
3.4
N/A
N/A
WH-400
45
15
9.8
20
33
2.10
N/A
N/A
33
5.2
22
2.3