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RECEIVING EQUIPMENT
On receipt of the equipment, visually check for
external damage to the carton or the shipping crate. If
the carton or shipping crate is damaged, make a note
on the Bill of Lading and report the damage to the
Carrier immediately. Remove the heater from the
carton or the shipping crate.
Do NOT use the shipping crate base as an instal-
lation base.
On occasion, items are shipped loose. Be sure that
you receive the number of packages indicated on the
Bill of Lading.
When ordering parts, you must specify Model and
Serial Number of the heater. When ordering under
warranty conditions, you must also specify date of
installation.
Raypak recommends that this manual be reviewed
thoroughly before installing your Raypak heater. If
there are any questions which this manual does not
answer, please contact the factory or your local Raypak
representative.
Claims for shortages and damages must be filed
with carrier by consignee. Permission to return goods
must be factory-authorized and are subject to a stock-
ing charge.
Purchased parts are subject to replacement only
under the manufacturer's warranty. Debits for defec-
tive replacement parts will not be accepted and will be
replaced in kind only per our standard warranties.
MODEL IDENTIFICATION
The model identification number and the heater
serial number are found on the heater data plate. The
model number will have the form WH1-0514A or simi-
lar depending on the heater model.
(WH = Hot Water Supply System, 1 = on/off firing, 0514
= size of heater).
Rated inputs are suitable for up to 2000 feet eleva-
tion. For elevations above 2000 feet, reduce input 4%
for each 1000 feet above sea level.
GENERAL SPECIFICATIONS
The Raypak water heaters are design certified and
tested under the latest requirements of the American
National Standard, ANSI Z21.10.3/CSA 4.3. Each heater
has been constructed and pressure tested in accordance
with the requirements of Section IV of the American
Society of Mechanical Engineers Code, and factory fire
tested.
ALL MODELS (APPROVED)
All models are National Board approved. Tem-
perature and pressure gauge is standard. Intermittent
ignition device is standard on models 0514 and up.
Model 0133 has 4-pass heat exchanger, 1 tube per
pass.
Models 0181-0401 have 2-pass heat exchangers,
5 tubes first pass, 4 tubes second pass.
Models 0514-1826 have 2-pass heat exchangers,
5 tubes first pass, 4 tubes second pass.
Models 2100-4001 have 2-pass heat exchangers,
9 tubes per pass.
Models 926-4001 have optional single pass with
cast iron headers only.
HOT WATER SUPPLY HEATERS
All Raypak hot water supply heaters are ASME and
design certified as hot water heaters, with 125 PSI
pressure relief valves.
TYPE WH1 WITH ON/OFF CONTROLS
Models 0133-4001
To be used with storage tank systems. Available
with integrally mounted pump, factory mounted and
wired for models 0133-1826. Models 181,261,331 and
401 are Low NOx Hot Water Heaters.
TYPE WH2 WITH MODULATING CONTROLS
Models 0133-4001
Hot water supply heater with 110°-170°F gas
modulation. Available with integrally mounted pump,
factory mounted and wired for models 0133-1826. To
be used with storage tank systems.
TYPE WH3 WITH 2-STAGE CONTROLS
Models 0181-4001
Hot water supply heater with low-high fire for
2-stage control. Available with integrally mounted
pump, factory mounted and wired for models 0181-
1826. To be used with storage tank systems.
TYPE NH INSTANT-PAK
Models 0514-1826
Tankless instantaneous direct fired hot water sup-
ply heater with 110°-170°F gas modulation, factory
mounted bronze body or cast iron bronze fitted pump
and flow switch.
CALIFORNIA PROPOSITION 65 WARNING:
This product contains chemicals known to the State
of California to cause cancer, birth defects or other
reproductive harm.