Specifications

4
PV500-56 05/15
2. CODES
The water heater and burner must be installed in accordance with those installation regulations in force in
the local area where the installation is to be made. Authorities having jurisdiction must be consulted before
installation is made. In the absence of such requirements, the installation shall be in accordance with the
instructions in this manual, the water heater Installation and Maintenance manual, appliance markings and
supplemental instructions and in compliance with the Standard for Installation of Domestic Gas Conversion
Burners and the latest edition of the National Fuel Gas Code, ANSI Z223.1. Where required by the
Canadian authority having jurisdiction, the equipment must be installed in accordance with the latest edition
of the Installation Code for Gas Burner Appliances and Equipment CAN/CSA B149.1 and/or B149.2 and
applicable Provincial Regulations.
3. ELECTRICAL SPECIFICATIONS
Electric Wiring
See appliance rating decal for electrical service requirements. The appliance must be electrically supplied
and grounded in accordance with the requirements of the authority having jurisdiction or in the absence of
such requirements, with the latest edition of the National Electrical Code ANSI/NFPA No. 70. In Canada,
the electrical service must conform to local electrical codes and/or CSA C22.1, Canadian Electrical Code,
Part 1.
Connect multi-pin connector at end of flexible conduit from the water heater to the multi-pin plug on the
burner control box.
To avoid serious damage, DO NOT energize the unit until the system and appliance is full of water.
The burner is grounded through the electrical connection to the water heater. Be certain the water heater
has been properly grounded.
Refer to the burner control wiring diagram located inside the burner control cabinet for further information.
Blower Motor - 120 Volt/ 60 Hz/1 Phase, 1/6 HP PSC motor.
4. COMBUSTION AND VENTILATION AIR
Provisions for adequate combustion and ventilation air to the mechanical room must be in accordance with
Section 5.3 “Air for Combustion and Ventilation” of the latest edition of the National Fuel Gas Code, ANSI
Z223.1 and/or CAN/CSA B149, Installation Codes or applicable provisions of the local building codes.
4.1 Equipment Located in Confined Spaces
Equipment located in confined spaces requires two openings installed within 12” (30.5 cm) from the top and
bottom of the room to assure adequate combustion air and proper ventilation. The total input of all gas
utilization equipment installed in the room must be used to determine the required minimum air volume
needed for combustion, ventilation and dilution of flue gasses.
All Air From Outdoors:
Each opening requires a minimum free area of 1 square inch (6.45 cm
2
)
per 4000 Btu/hr (1.17 kW) input if
directly communicating with the outdoors or communicating to the outdoors through vertical ducts.
Each opening requires a minimum free area of 1 square inch (6.45 cm
2
)
per 2000 Btu/hr (0.59 kW) input if
communicating with the outdoors through horizontal ducts.
All Air From Inside The Building:
Each opening requires a minimum free area of 1 square inch
(6.45 cm
2
)
per 1000 Btu/hr (0.29 kW) input,
but not less than 100 square inches (0.06 m
2)
.
Combination Of Air From The Indoors And From The Outdoors:
Refer to National Fuel Gas Code, ANSI Z223.1 and/or CAN/CSA B149, Installation Codes or applicable
provisions of the local building codes.
WARNING: Adequate clean combustion air must be provided to the appliance. Under no
circumstances should the appliance ever be under a negative pressure. Particular care should be
SU-3 Electrical Specifications
Primary Electric Input Secondary Electric Input Total Watts Total Amps
120 Volt, 60 Hz, 1 Ph 24 Volts 150 Max 3 or less