PLATINUM
WATER HEATER
7 PV500-37C 06/12
4.3 Electrical
This appliance is wired for 120-volt service. The appliance, when installed, must be electrically 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. When the unit is installed in Canada, it
must conform to the CAE C22.1, Canadian Electrical Code and/or Local Electrical Codes.
1. Supply 15 amp, 120V service to each water heater. Any pump(s) used to connect the heater(s) to a storage
tank requires a separate electrical circuit.
2. All wiring between the unit and field installed devices must be made with type T wire.
3. Line voltage wire exterior to the appliance must be enclosed in approved conduit or approved metal clad
cable.
4. To avoid serious damage, DO NOT energize the unit until the system is filled with water.
4.4 Location
These units are suitable for indoor installation only. Venting options and configurations are illustrated in the
venting section.
1. Locate the unit so that if water connections should leak, water damage will not occur. When such locations
cannot be avoided, it is recommended that a suitable drain pan, adequately drained, be installed under the
unit. Under no circumstances is the manufacturer to be held responsible for water damage in connection
with this unit, or any of it components. Water damage is not covered by the manufacturer’s warranty.
2. Units and associated electrical components and electrical connections, must be installed so they are
protected from water (dripping, spraying, rain, etc.) during appliance operation and service.
3. The appliance must be placed on a level, non-combustible floor. Concrete over wood or wood embedded
in concrete are not considered non-combustible.
4. The appliance must not be installed on carpet or other combustible floor coverings.
5. Installation over a combustible floor: Units installed over a combustible floor MUST be provided with a
base consisting of a sheet of 3/8 inch minimum fireproof millboard (contact vendors such as unifrax.com or
thermalceramics.com) with a 20-gage minimum sheet metal cover and no sized at least as large as the
appliance base. Alternatively, the 3/8” minimum millboard can be incorporated as part of a housekeeping
pad. If the housekeeping pad is a 6 inch or thicker solid concrete slab, millboard insulation is not required.
This procedure must also be followed if combustibles, such as electrical conduit or wood supports, are
located beneath the appliance and are imbedded in or attached to an otherwise non-combustible floor. A
field-installed base must meet all local fire and safety code requirements.
4.5 Service Clearances
To facilitate service, clearance of 24" from the top and front, 14” from the rear and 8” from the right and left sides
are recommended. Optional equipment may increase the clearance requirements. See the “Combustion and
Ventilating Air” and “Venting” section for appliance vent and inlet air installation and clearance information. Allow
sufficient space for installing and servicing connections such as water, gas, vent, combustion air, electrical,
pump and other auxiliary equipment.
4.6 Clearances to Combustible Surfaces
The appliance must not be installed on a combustible floor, on carpet, on other combustible floor coverings or on
a non-combustible floor covering combustible material. Combustible materials are allowed to contact the
PLATINUM
®
sides and top, however service clearances are recommended.
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