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HUBBELL
ELECTRIC HEATER COMPANY
P.O. BOX 288
STRATFORD, CT 06615
PHONE: (203) 378-2659
FAX: (203) 378-3593
INTERNET: http://www.hubbellheaters.com/
-- IMPORTANT --
Always reference the full model number and serial number when calling the factory.
WARNING / CAUTION
1. Tank is to be com
pletely filled with water and all air is to be vented before energizing.
2. Due to the rigors of transportation, all connections should be checked for tightness before
heater is placed in operation.
3. Safety relief valve must be installed in tapping provided.
4. The refractory material used in heating elements may absorb some moisture during
transit, periods of storage, or when subjected to a humid environment. This moisture
absorption results in a cold insulation resistance of less than twenty (20) megohms. If this
heater has been subjected to the above condition, each heating element must be checked
for insulation resistance before energizing. A low megohm condition can be corrected by
removing the terminal hardware and baking the element in an oven at 350°F -700°F for
several hours or until the proper megohm reading is obtained.
5. KEEP AWAY FROM LIVE ELECTRICAL CIRCUITS.
Do not perform any maintenance, make any adjustments, or replace any components
inside the control panel with the high voltage power supply turned on. Under certain
circumstances, dangerous potentials may exist even when the power supply is off. To
avoid casualties, always turn the power supply safety switch to off, turn the charge or
ground the circuit before performing any maintenance or adjustment procedure.
6. The unit is designed to operate at pressure not more than 150 psi.
7. Generalized instructions and procedures cannot anticipate all situations. For this reason,
only qualified installers should perform the installations. A qualified installer is a person
who has licensed training and a working knowledge of the applicable codes regulation,
tools, equipment, and methods necessary for safe installation of an electric resistance
water heater. If questions regarding installation arise, check your local plumbing and
electrical inspectors for proper procedures and codes. If you cannot obtain the required
information, contact the company.
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