Raypak WH 962-1826 user manual
Job:
®
Raytherm
- Type H
Engineer:
Contractor:
Prepared By: Date:
Model:
EFFICIENT
82% thermal efficiency – highest of any atmospheric
boiler available today
THERMAL SHOCK PROOF
Twenty-year warranty against thermal shock damage
up to 150°F differential
Maximum operating temperature: 230°F
LIGHTWEIGHT
A floor load of 70 lbs./sq. ft. or less
HIGH RECOVERY
Cuts fuel costs substantially because the standby and
radiation losses normal to other boilers are eliminated
LOW WATER OPERATING TEMPERATURE
Operates with water temperature as low as 105°F
without condensing
Heat Exchanger
ASME Inspected and Stamped
160 PSIG
National Board Approved
Headers
Glass-lined Cast Iron – Standard
Bronze – Option A-1
Finned Tubing
Copper – Standard
Cupro Nickel – Option A-3
ASME Steel Tube Sheet
Silicone O-Rings
60 PSIG ASME Pressure Relief Valve
Temperature and Pressure Gauge
Water Connections
Left Hand – Standard
Right Hand – Option A-6
Flow Configuration
Two-pass – Standard
Single-pass – Cast Iron Only
Pump - Rear-mounted, 1/2 HP,
120 VAC, 1∅, 60 Hz – Optional
4.25” Impeller
4.7” Impeller
Controls
120V, 60Hz, 1 Ph Power Supply
120/24V Transformer
100% Pilot Shut-off/Lockout
Electronic, Intermittent Ignition (IID)
Pilot
High Limit Control, Manual Reset,
240°F
On/Off Switch
Controls (cont.)
Flow Switch
Economaster II Pump Time Delay
Gas Train
Manual Main Gas Shut-off Cock
Main Gas Pressure Regulator
Redundant Safety Shut-off Valve
Control Valve
Firing Mode
On/off (H4)
Two-stage Firing (H3)
Four-stage Firing (H9)
Mechanical Modulation,
110-170°F (H5)
Mechanical Modulation,
150-210°F (H1)
Motorized Modulation (H2)
B-6000 (H6)
Fuel
Natural Gas
Propane Gas
Design Certified ANSI Z21.13/CSA 4.9
Construction
Front Controls
Stainless Steel Burners
Polytuf Powder Coat Finish
Vent Selection
Draft Diverter – Option D-10
Power Vent, Loose – Option D-2
Base (Optional)
Combustible Floor Shield –
Option J-1
Hydronic Heating Boilers
Commercial
Models 962-1826 (Indoor)
INDOOR
Temperature Controllers
Note: H1 and H5 do not require a
controller
B-7 Modulating
B-5 Modulating, Outdoor Reset
B-6 Two-stage
B- Four-stage Digital
Y-241 Electronic Sequencer,
1-4 Stages
Y-281 Electronic Sequencer,
1-8 Stages
Additional Safety Controls
F-9 Low Water Cut-off Probe
I-1 High Limit Control, Auto
Reset, 240°F
S-1 Low Gas Pressure Switch,
Manual
S-2 High Gas Pressure Switch,
Manual
Regulatory Agency Requirements
Catalog No.: 2000.24N Effective: 12-1-07 Replaces: 10-15-03
Raytherm - Type H
∆
∆
∆
∆
Hydronic Heating Boilers Model
19 1/2
DRAFT HOOD
(OPTIONAL)
PUMP
(OPTIONAL)
14 1/2
11 3/4
5
ELEC.
CONN.
(J-BOX)
OPTIONAL ONE PASS
15-1/4
7-7/8
H - OUTLET
H - INLET
(OPPOSITE SIDE)
11 1/4
32 1/2
K
A/2
A
L
H
J
B
OUT
C
27 3/4
6
IN
11 1/8
G
GAS
14
5 1/82 1/2
1 1/8
MODELS 962 THRU 1826
COMBUSTIBLE FLOOR SHIELD
(OPTIONAL)
Dimensions (Inches) Approx.
MBTUH Overall Jacket Gas Water Flue Shipping
Model Natural Gas Width Height Height Conn. Conns. Dia. Weight
Size Input Output A B C G H J K L (Lbs.)
H-962 961.7 788.6 52-3/8 76-1/8 (a) 33-1/2 1 2-1/2 (c) 23-5/8 14 28 705
H-1125 1124.7 922.0 59-1/4 78-1/8 (a) 33-1/2 1 (b) 2-1/2 (c) 23-5/8 16 32 745
H-1223 1222.5 1002.4 63-5/8 78-1/8 (a) 33-1/2 1 (b) 2-1/2 (c) 23-5/8 16 32 805
H-1336 1336.6 1096.0 68-5/8 80-1/8 (a) 33-1/2 1-1/4 2-1/2 (c) 23-5/8 18 36 875
H-1468 1467.0 1203.0 74-7/8 80-1/8 (a) 33-1/2 1-1/4 2-1/2 (c) 23-5/8 18 36 945
H-1631 1630.0 1336.6 81-1/8 83-1/8 (a) 36-1/2 1-1/4 2-1/2 (c) 23-5/8 18 36 985
H-1826 1825.6 1497.0 89-3/8 85-1/8 (a) 36-1/2 1-1/4 2-1/2 (c) 23-5/8 20 40 1035
NOTE: Ratings shown are for elevations up to 2,000 feet. For
elevations over 2,000, reduce ratings at the rate of 4% for each
1,000 feet above sea level.
(a) Add 1-1/8" to overall height for combustible floor shield option
(b) 1" or 1-1/4" contingent on boiler type or code requirements
(c) 3" NPT on single-pass option
TWO PASS GPM
962 N/A N/A 79 8.5 53 3.8 N/A N/A
1125 N/A N/A 90 12.0 61 5.5 46 3.1
1223 N/A N/A N/A N/A 67 7.0 50 3.9
1336 N/A N/A N/A N/A 73 8.6 55 4.9
1468 N/A N/A N/A N/A 80 11.0 60 6.2
1631 N/A N/A N/A N/A 90 14.8 67 8.1
1826 N/A N/A N/A N/A N/A N/A 75 10.6
ONE PASS
962 157 6.1 N/A N/A N/A N/A N/A N/A
1125 184 8.8 92 2.3 N/A N/A N/A N/A
1223 200 11.0 100 2.9 N/A N/A N/A N/A
1336 N/A N/A 110 3.7 N/A N/A N/A N/A
1468 N/A N/A 120 4.5 N/A N/A N/A N/A
1631 N/A N/A 134 6.0 N/A N/A N/A N/A
1826 N/A N/A 150 8.0 100 3.7 N/A N/A
N/A: Not Applicable
NOTES: Above values represent maximum flows and pressure drops for closed heating systems.
Maximum acceptable flow through heat exchanger tubes is 90 GPM for two-pass and 200 GPM for single-pass.
Single-pass heat exchangers are to be used only when flow rates exceed the allowable for two-pass.
BOILER RATE OF FLOW AND PRESSURE DROP
10° ∆T 20°
∆P FT.
GPM
T 30° ∆T 40° ∆T
P FT.
GPM
P FT.
GPM
P FT.
Raypak, Inc. 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (800) 872-9725 www.raypak.com
Catalog No.: 2000.24N Effective: 12-1-07 Replaces: 10-15-03
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