Raypak 122-322 Operating And Installation Instructions page 5

MODEL IDENTIFICATION
The model identification number and heater serial number are found on the heater data plate located on the left inside jacket
of the heater. The model number will have the form H3 0162 or similar depending on the heater size and configuration. The
first character of the model number identifies application (H = Hydronic Heating System, WH = Hot Water Supply System,
P = Pool Application). The second character identifies the firing mode (3-two stage firing, 4 – On/Off firing ). The next four
places identify the size of the heater.
RATINGS AND CERTIFICATIONS
STANDARDS
• Gas-Fired Low Pressure Steam and Hot Water Heaters, ANSI Z21-13 • CSA 4.9 - latest edition
• Industrial and Commercial Gas-Fired Package Heaters, CAN 31 - latest edition
• Gas-Fired Pool Heaters, ANSI Z21.56 • CSA 4.7 - latest edition
• Gas Water Heaters, ANSI Z21.10.3 • CSA 4.3 - latest edition
All Raypak heaters are National Board Approved, design certified and tested by the CSA International for U.S.A. and Canada.
Each heater is constructed in accordance with Section IV of the American Society of Mechanical Engineers (ASME) Heater
Pressure Vessel Code and bears the ASME stamp. This heater complies with the latest edition of ASHRAE 90.1 Standard.
Altering any RAYPAK pressure vessel by installing replacement heat-exchangers, tube bundle headers, or any other ASME
part not manufactured and/or approved by RAYPAK will instantly void the ASME, ratings of the vessel and any RAYPAK
warranty on the vessel. This also violates national, state, and local approval codes.
Rated inputs are suitable for up to 4500 feet elevation without de-rate . Consult the Factory for installations at altitudes in excess
of 4500 feet.
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