STP SERIES Install, Operation, and Maintenance Manual
SECTION 2: INSTALLATION INSTRUCTIONS
Rev-1
Diversified Heat Transfer, Inc.
•
439 Main Road, Route 202
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Towaco, New Jersey 07082
Page
11
of
97
STP Manual
PHONE: 800-221-1522
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WEBSITE: www.dhtnet.com
09/11/2019
2.1.1 Examining the Unit
STP Series water heaters are thoroughly inspected and tested prior to shipment. Upon receipt
of the STP Series water heater, please carefully inspect the entire unit and its components for
any damages during shipping. If any evidence of damage is detected that could affect the safe
operation of the unit, contact DHT or the authorized sales representative to report the damage
and to receive instructions on how to proceed.
After the inspection has been completed, we advise that all pressure and control components
be checked to assure that they meet design specifications, the name plate and the specification
tags. In case of any discrepancy, contact DHT or an authorized sales representative, before
proceeding with the installation.
2.1.2 Compliance with Codes
The STP Series water heater is constructed and stamped in accordance with ASME Boiler and
Pressure Vessel Code, Section VIII – Division 1 for heat exchanger(s) and ASME Section IV part
HLW Code for storage tank. Other codes or approvals which apply will be labeled on the STP
Series water heater.
The STP Series water heater installation must be performed only by technically qualified
persons. The installation must conform to all national, state, or provincial and local code
requirements established by the authorities having jurisdiction as well as specific instructions in
this manual. Authorities having jurisdiction should be consulted before installations are made.
2.2 SITE PREPARATION
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A firm and level foundation is required (a six- to eight-inch thick concrete pad is preferable).
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Secure the STP Series water heater to the building floor or mounting pad. For attachment to
the foundation, use the four holes in the base.
NOTE:
Seismic anchorage information is available upon request. Contact your DHT
sales
representative for more information.
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Proper rigging techniques should be followed while moving unit around.
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The STP Series water heater must be plumb and level to function properly.
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The STP Series water heater should be placed with at least 12” headroom clearance.
