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5
BEFORE INSTALLATION
Raypak strongly recommends that this manual be re-
viewed thoroughly before installing your Hi Delta
heater. Please review the General Safety information
before installing the heater. Factory warranty does not
apply to heaters that have been improperly installed or
operated. (Refer to the warranty at the back of this
manual.) Installation and service must be performed
by a qualified installer, service agency or gas supplier.
If, after reviewing this manual, you still have questions
which this manual does not answer, please contact the
manufacturer or your local Raypak representative.
Thank you for purchasing a Raypak product. We hope
you will be satisfied with the high quality and durability
of our equipment.
Product Receipt
On receipt of your heater it is suggested that you visu-
ally check for external damage to the shipping crate. If
the crate is damaged, make a note to that effect on the
Bill of Lading when signing for the shipment. Remove
the heater from the shipping packaging. Report any
damage to the carrier immediately.
On occasion, items are shipped loose. Be sure that
you receive the correct number of packages as indi-
cated on the Bill of Lading.
Claims for shortages and damages must be filed with
the carrier by consignee. Permission to return goods
must be received from the factory prior to shipping.
Goods returned to the factory without an authorized
Returned Goods Receipt number will not be accepted.
All returned goods are subject to a restocking charge.
When ordering parts, you must specify the model and
serial number of the heater. When ordering under war-
ranty conditions, you must also specify the date of
installation.
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 Raypak’s standard war-
ranties.
Model Identification
The model identification number and heater serial
number are found on the heater rating plate located on
the lower right outside jacket of the heater. The model
number will have the form H9 1262A or similar
depending on the heater size and configuration. The
letter(s) in the first group of characters identifies the
application (H = Hydronic Heating, WH = Domestic
Hot Water (DHW), P = Pool). The number which fol-
lows identifies the firing mode (1 or 4 = on-off, 3 =
2-stage, 8 = 3-stage and 9 = 4-stage). The second
group of characters identifies the size of the heater
(four numbers representing the approximate MBTUH
input), and, where applicable, a letter, indicating the
manufacturing series. An “E” suffix indicates 87% effi-
ciency (Category II or IV venting) (“H” stamped boilers
only).
Ratings and Certifications
Standards:
• ANSI Z21.13 · CSA 4.9 - latest edition, Gas-Fired
Hot Water Boilers
• CAN 3.1 - latest edition, Industrial and
Commercial Gas-Fired Package Boilers
• ANSI Z21.56 · CSA 4.7 - latest edition Gas-Fired
Pool Heaters
• ANSI Z21.10.3 · CSA 4.3 - latest edition Gas
Water Heaters
All Raypak heaters are National Board Approved, and
design-certified and tested by the Canadian Standards
Association (CSA) for the U.S. 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. The heater also complies with the latest
edition of ASHRAE 90.1 Standard.
Rated inputs are suitable for up to 5,000 ft elevation
without de-rating. Consult the factory for installations
at altitudes over 5,000 ft above sea level.
WARNING: Altering any Raypak pressure vessel
by installing replacement heat exchangers, tube
bundle headers, or any ASME parts not manufac-
tured and/or approved by Raypak will instantly void
the ASME and CSA ratings of the vessel and any
Raypak warranty on the vessel. Altering the ASME or
CSA ratings of the vessel also violates national,
state, and local approval codes.