Lochinvar Commercial Electric Water Heaters Installation And Service Manual
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Lochinvar Commercial Electric Water Heaters Installation And Service Manual

Lochinvar Commercial Electric Water Heaters Installation And Service Manual

Commercial electric water heaters 52, 82, 119 gallon, 9 kw - 54kw input models
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Download this manual See also: Instruction Manual, Operation & Installation Manual
COMMERCIAL ELECTRIC WATER HEATERS
52, 82, 119 Gallon, 9 kW - 54kW Input Models
FIG. 1 Front View Vertical Round Models
Installation and service must be performed by Qualified
Service Personnel Only.

WARRANTY

Factory warranty (shipped with unit) does not apply to
units improperly installed or improperly operated.
Experience has shown that improper installation or system
design, rather than faulty equipment, is the cause of most
operating problems.
1. Excessive water hardness causing a lime/scale build-up
in the heater and/or on the immersion heating elements
is not the fault of the equipment and is not covered
under the manufacturer's warranty. (See Water
Treatment and Water Chemistry)
2. Do not energize electrical system before the heater is
completely filled with water. Damage caused to the
immersion heating elements by dry fire is not covered
under the manufacturer's warranty. Follow start up
procedure in the manual.
INSTALLATION AND SERVICE MANUAL
3. Water heater corrosion and component failure caused
by air-borne chemical vapors is not covered under the
manufacturer's warranty.
4. Corrosion damage caused by current leakage due to
improper grounding of electrical systems or electronic
components to the storage tank and related piping is not
covered by the manufacturer's warranty.
5. Under no circumstance will the manufacturer be liable
for consequential damages resulting from the
installation or use of this equipment.
6. Correct installation procedure and local codes must be
adhered to.
SPECIAL INSTRUCTIONS
TO OWNER
NOTE:
Retain this manual for future reference.
This manual supplies information for the installation,
operation and servicing of the appliance. It is strongly
recommended that this manual be reviewed completely
before proceeding with an installation.
IMPROPER
INSTALLATION,
ALTERATION, SERVICE OR MAINTENANCE can
cause injury or property damage. Refer to this
manual. For assistance or additional information,
consult a qualified installer, service agency or the
electric utility.
CHECKING EQUIPMENT
Upon receiving equipment, check for signs of shipping
damage. Pay particular attention to parts accompanying
the water heater, which may show signs of being hit or
otherwise being mishandled. Verify total number of pieces
shown on packing slip with those actually received. In case
there is damage or a shortage, immediately notify carrier.
DO NOT USE THIS APPLIANCE IF ANY PART HAS
BEEN UNDER WATER. THE POSSIBLE DAMAGE TO A
FLOODED APPLIANCE CAN BE EXTENSIVE AND
PRESENT NUMEROUS SAFETY HAZARDS.
APPLIANCE THAT HAS BEEN UNDER WATER MUST
BE REPLACED.
1
SHP-I&S-02
WARNING:
ADJUSTMENT,
ANY

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Summary of Contents for Lochinvar Commercial Electric Water Heaters

  • Page 1: Warranty

    Upon receiving equipment, check for signs of shipping damage. Pay particular attention to parts accompanying the water heater, which may show signs of being hit or otherwise being mishandled. Verify total number of pieces shown on packing slip with those actually received. In case there is damage or a shortage, immediately notify carrier.

  • Page 2: Table Of Contents

    Water Is Too Hot .......16 Water Heater Sounds ......16 Leakage .

  • Page 3: Codes

    The ambient temperature of the space where the appliance is installed must not go below 32°F (0°C) or above 104°F (40°C). This water heater, as well as all water heaters will eventually leak. should be accomplished in such a manner that if the tank, piping or any connections should leak, the flow of water will not cause damage to the structure.

  • Page 4: Clearances

    MOUNTING The water heater should be mounted to the floor following applicable architectural and local code requirements or accepted standards for the specific site and model purchased.

  • Page 5: Tank Construction

    system.

  • Page 6: Electrical Connection

    7. Voltage applied to the heater should not vary more than +5% to -10% of the model and rating plate marking for satisfactory operation. 8. A wiring diagram is provided with the water heater for the electricians use. CAUTION Never turn on the electric power or attempt to use this electric water heater unless it is completely full of water.

  • Page 7: Jacket Assembly

    This coating process insures a long life from the jacket assembly. STANDARD EQUIPMENT Your commercial electric water heater is equipped with the following as standard equipment. • Low watt density immersion heating elements with a copper sheath and a tin plate.

  • Page 8: Fuses And Fuse Blocks

    FUSES AND FUSE BLOCKS FIG. 7 Fuse Block with Power Circuit Fuses The internal power circuits of a water heater with a current draw in excess of 48 amps are fused for safety. Each power circuit to an immersion element is fused at a maximum of 48 amps.

  • Page 9: Contactors

    120 VAC for internal control operation. The transformer is fused on the primary side. The VA rating of the control circuit transformer is based on the load of the various components in the water heater control circuit. IMMERSION THERMOSTAT(S) FIG. 11 Immersion Thermostat...

  • Page 10: Temperature Regulation

    "OFF". Failure to do this could result in death, serious bodily injury or property damage. As a control option, the water heater may be provided with an immersion thermostat(s) to activate magnetic contactors allowing current to flow to the immersion heating elements.

  • Page 11: Temperature Limit Control

    TEMPERATURE ADJUSTMENT 1. Turn "OFF" the electrical power to the water heater. If the power disconnect point is out of sight, lock it in the open ("OFF") position and tag to prevent unexpected application of power.

  • Page 12: Immersion Heating Elements

    FILLING THE WATER HEATER 1. Insure that the electrical power to the water heater is in the "OFF" position. If the power disconnect point is out of sight, lock it in the open ("OFF") position and tag to prevent unexpected application of power.

  • Page 13: Start-Up Checks

    14. The water heater is now ready for normal operation. INITIAL START UP CHECKS The following checks should be made by the installer when the water heater is placed into operation for the first time. WARNING: HAZARD OF ELECTRICAL SHOCK - Before...

  • Page 14: Shutdown Procedure

    SHUTDOWN PROCEDURE 1. Turn off the main electrical power to the water heater. If the power disconnect point is out of sight, lock it in the open ("OFF") position and tag to prevent unexpected application of power. 2. Turn the valve in the water heater's cold water supply to the closed or "OFF"...

  • Page 15: Flushing The Tank

    3. Close the drain valve when finished flushing. 4. Open a hot water faucet closest to the water heater and the water to run to insure that no air was drawn into the tank during the flushing process. Close the faucet when the water runs clear with no discharge of air.

  • Page 16: Trouble Shooting

    Not enough or no hot water 1. Ensure that the electrical disconnect switch serving the water heater is in the "ON" position. In some areas, water heater electrical service may be limited by the power company. If the heater operates on a controlled circuit, heater recovery may be affected.

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