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LIGHT COMMERCIAL ELECTRIC WATER HEATERS
INSTRUCTION MANUAL
MODELS EC-66, EC-80, EC-119
INSTALLATION | OPERATION | SERVICE |
MAINTENANCE | LIMITED WARRANTY
PLACE INSTRUCTIONS ADJACENT TO WATER HEATER & NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.
Heat-Flo, Inc. | www.heat-flo.com | Uxbridge, MA 01569
WARNING
Read and understand this instruction
manual and the safety messages herein
before installing, operating, or servicing
this water heater.
Failure to follow these instructions and
safety messages could result in death
or serious injury.
This manual must remain with the water
heater.
WARNING
If the water heater becomes immersed
in water up to or above the level of the
bottom of the element doors, the heater
should be examined by a qualified
service agency before it is placed in
operation. See Page 2.
Conforms to UL1453
for Electric Commercial
Certified to CAN/ CSA
STD C22.2 No. 110-94
Water Heaters.
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Related Manuals for Heat-Flo EC-66
Summary of Contents for Heat-Flo EC-66
- Page 1 See Page 2. Conforms to UL1453 for Electric Commercial Water Heaters. Certified to CAN/ CSA STD C22.2 No. 110-94 PLACE INSTRUCTIONS ADJACENT TO WATER HEATER & NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE. Heat-Flo, Inc. | www.heat-flo.com | Uxbridge, MA 01569...
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Page 2: Safety Information
SAFE INSTALLATION, USE, AND SERVICE The proper installation, use, and servicing of this water heater is extremely important to your safety and the safety of others. Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard. - Page 3 GENERAL SAFETY INFORMATION PRECAUTIONS HYDROGEN GAS (FLAMMABLE) DO NOT USE THIS WATER HEATER IF ANY PART HAS WARNING BEEN EXPOSED TO FLOODING OR WATER DAMAGE. Immediately, call a qualified service technician to inspect the EXPLOSION HAZARD water heater and to replace any part of the control system that has been under water.
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Page 4: Table Of Contents
TABLE OF CONTENTS SAFETY INFORMATION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 - 2 INTRODUCTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3 APPROVALS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4 MODEL AND RATING - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4... -
Page 5: Approvals
VOLTS - AC PHASE UPPER LOWER CAPACITY (MAX PSI) TOTAL WATTS CONNECTED STANDBY LOSS INTERLOCK WATTS CIRCUIT 1 PH/ 3 PH 1 PH 3 PH Conforms to UL 1453 Certified to CAN/CSA STD C22.2 No. 110-94 MASS Approval #P1-0119-315 EC-66, EC-80, EC-119... -
Page 6: Features & Components
FEATURES AND COMPONENTS MODEL EC, DUAL-ELEMENT All Hot Outlets and Cold Inlets supplied with Watts 3/4 LF301 Dielectric Union with 4” Copper Tube. COLD WATER INLET TOP OF TANK FUSED ELECTRICAL SUPPLY SWITCH T&P VALVE HOT WATER SUPPLY SHUTOFF VALVE WATTS 3/4 LF301 WATTS 3/4 LF301 DIELECTRIC UNION W/ 4”... -
Page 7: Dimensions & Capacities
Product Specifications Gallon Capacity Standard Element Height Diameter Approx. Shipping Model Number (U.S. Gal.) Wattage, 240 Volt (Inches) (Inches) Weight (lbs.) EC-66 4500 28.0 130.0 EC-80 4500 28.0 140.0 EC-119 4500 28.0 175.0 240 Volt, 1-Phase, (2) 4500 Watt Elements Wired Non-Simultaneous Standard. -
Page 8: Locating The Water Heater
LOCATING THE WATER HEATER FACTS TO CONSIDER ABOUT THE LOCATION unanticipated damage can be reduced or prevented by a leak detector or water shut-off device used in conjunction CAUTION with a piped drain pan. These devices are available from some plumbing supply wholesalers and retailers, and PROPERTY DAMAGE HAZARD detect and react to leakage in various ways: Sensors mounted in the drain pan that trigger an alarm... - Page 9 INSTALLATION CONTINUED injured by hot water than others. These include the WARNING elderly, children, the infirm, or physically/ developmentally disabled. If anyone using hot water in you home fits into EXPLOSION HAZARD one of these groups, or if there is a local code or state law Temperature and Pressure Relief requiring a maximum water temperature at the hot water Valve must comply with ANSI...
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Page 10: Electrical
INSTALLATION CONTINUED (1) no one is in front of or around the outlet of the T&P CAUTION Valve discharge line, and (2) the water manually discharged can cause bodily WATER DAMAGE HAZARD injury or property damage because the water may be Temperature and Pressure Relief Valve discharge extremely hot. -
Page 11: Wiring Diagrams
ELECTRICAL CONTINUED satisfactory operation. convenience, portions of the wire size tables from the Code are reproduced here. The branch circuit should be DO NOT ENERGIZE THE BRANCH CIRCUIT FOR ANY sized at 125% of the heater rating and further increase REASON BEFORE THE HEATER TANK IS FILLED wire size as necessary to compensate for voltage drop in WITH WATER. - Page 12 ELECTRICAL CONTINUED WARNING Size Temperature Rating of Conductor Before removing any access panels (See Table 310-13 in Code) or servicing the water heater, make 140˚F 167˚F sure the electrical supply to the water is turned OFF. Failure to do this could result in Types: Types: death, serious bodily injury, or...
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Page 13: Operation
OPERATION GENERAL 5. Observe the operation of the electrical components during the first heating cycle. Use care as the electrical Refer to the Features and Components section of this circuits are energized. manual (page 6) for the location of components mentioned in the instructions that follow. -
Page 14: Temperature Regulation
TEMPERATURE REGULATION APCOM THERMOSTATS DANGER H-6 circuit thermostats have three designated set points: LO, MED, and HI (see Figure 5). The approximate equivalent Water temperature over 125˚F can temperatures for these three settings are: cause severe burns, resulting in severe injury or death. LO = 140˚F Children, the elderly, and physically MED = 160˚F... -
Page 15: Maintenance
MAINTENANCE DANGER BURN HAZARD HOT WATER DISCHARGE KEEP CLEAR OF DRAIN VALVE. GENERAL Periodically, the drain valve should be opened and the water allowed to run until it flows clean. This will help to prevent sediment buildup in the tank bottom. Periodically, check the Temperature and Pressure Relief Valve to ensure that it is in operating condition. -
Page 16: Leakage Checkpoints
TROUBLESHOOTING CHECKLIST, CONTINUED WATER LEAKAGE IS SUSPECTED WATER AND LIME SCALE REMOVAL procedure to replace the gaskets. Refer to Leakage Checkpoint (next section). IF UNABLE TO IDENTIFY OR CORRECT THE SOURCE 1. Check to see if the heater drain valve is tightly closed. OF MALFUNCTION 2. - Page 17 SPECIFICATION The water heater(s) shall be EC-XXXXX Model(s) No. ______ as manufactured by Heat-Flo or an approved equal. Heater(s) shall be rated at ______ kW, ______ volts, single-phase, 60 cycle AC, and listed by Intertek. Models shall meet the standby loss requirements of the U.S. Department of energy and current edition of ASHRAE/ IES 90.1.
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Page 18: Limited Warranty
For your records, fill in the product: Serial: ___________________ Model: ___________________ Heat-flo, Inc., 15 Megan Ct., P.O. Box 612, Uxbridge, MA 01569 USA Tel: 508-278-2400 | Fax: 508-278-2466 | www.heat-flo.com... - Page 20 HEAT-FLO, INC. P.O. BOX 612 UXBRIDGE, MA 01569 508-278-2400 www.heat-flo.com...
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