Waiwela WM-2.5 Installation And Operating Insctruction Manual
Electric mini tank water heaters
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Summary of Contents for Waiwela WM-2.5
- Page 1 Electric Mini Tank Water Heaters WM-2.5 WM-4.0 WM-6.0 Installation and Operating Instruction Manual...
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Page 2: Table Of Contents
Table of Contents Important Safety Instructions Technical Data General Information Technical Description Installation Instructions 6-10 Plumbing Connections Temperature & Pressure Relief Valve Filling The Water Heater Electrical Connections Instructions For Use Maintenance Instructions 12-14 Trouble Shooting Schematic Disassembly & Parts List Warranty 17-19 Page 1... -
Page 3: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS WARNING: When using electrical appliances, safety precautions to reduce the risk of fire, electric shock or injury to persons should be followed, including: READ ALL INSTRUCTIONS BEFORE USING THIS WATER HEATER. This water heater must be grounded. Connect only to properly grounded outlet. See “GROUNDING INSTRUCTIONS”... -
Page 4: Technical Data
Technical Data MODEL WM-2.5 WM-4.0 WM-6.0 Capacity gallons Voltage 110-120 110-120 110-120 Power at 120 Vac Watts 1440 1440 1440 Max. Water Pressure Weight (empty) lbs. Amperage Amps Phases Temperature and Water outlet Pressure Relief Valve Water inlet Assembly Figure... -
Page 5: Wiring Diagram
Dimensions Model WM-2.5 WM-4.0 WM-6.0 A (inch) 14 1/2” 19 1/4” 18” B (inch) 11 3/4” 11 3/4” 15 3/4” C (inch) 10 3/8” 10 3/8” 15 1/2” Schematic Construction Heating element Switch Wiring Diagram Thermostat Indicate Light Heating Element... -
Page 6: General Information
The WM-2.5, WM-4.0 and WM-6.0 are designed to be mounted on the wall. WM-2.5, WM-4.0 and WM-6.0 are designed to operate at 150 psi maxi- mum water pressure. Install a pressure reducing valve if your water pressure is greater than 150 psi. -
Page 7: Technical Description
(WM-2.5 = 41 lbs., WM-4.0 = 57 lbs., WM-6.0 = 76 lbs.). Hang the water heater on the bracket and pull downwards on the water heater to insure that both “fingers”... -
Page 8: Plumbing Connections
PLUMBING CONNECTIONS Connect the cold water inlet pipe to the inlet nipple (marked with a blue ring) and the hot water outlet pipe to the outlet nipple (marked with a red ring). IMPORTANT: If Water pipes are copper or bronze, use dielectric connections to prevent corrosion. - Page 9 T/P Valve Discharge pipe: Must NOT be smaller in diameter than the outlet diameter of the valve, or have any reducing couplings. Must NOT be plugged or blocked. Must be made of suitable material for hot water. Must not be over 15’ in length. Must not have more than two elbows.
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Page 10: Filling The Water Heater
FILLING THE WATER HEATER CAUTION!: Before plugging the water heater electric cord into an outlet, be sure that the system is completely charged with water and ALL AIR IS REMOVED. Before connecting the power, fill the tank and system with water and check for leaks. -
Page 11: Electrical Connections
ELECTRICAL CONNECTIONS To be certain that all of the air is out of the water heater, open the HOT water faucet on your fixtures until constant water flows from them. If air remains in the tank, the element will be damaged when the electric cord is plugged in. -
Page 12: Instructions For Use
INSTRUCTIONS FOR USE CONGRATULATIONS! You are now ready to use your water heater. Run the hot water at a nearby sink and evaluate the hot water temperature. Make any temperature adjustment using the section below: SETTING THE THERMOSTAT: The water heater is equipped with an adjustable thermostat that once set will automatically control water temperature. -
Page 13: Maintenance Instructions
MAINTENANCE INSTRUCTIONS Do not attempt to repair this water heater yourself. Call a service person (plumber or electrician) for service assistance. Always unplug the power supply cord when the water is turned off or when servicing or draining the water heater. Before calling for service, first confirm that the water heater is properly filled and that 110VAC power has not been interrupted. - Page 14 DESCALING THE HEATING ELEMENT: Scale deposits can affect the heating capability of the element. Heavy scale can even cause the element to burn out. The element can be descaled chemically or manually. Remove the heating element (see above). To descale chemically, soak the heating element in white vinegar or other descaling solution and then rinse well with fresh water.
- Page 15 RESETTING THE HIGH LIMIT SWITCH: For various reasons the high limit safety shut off switch will occasionally shut the water heater down. This shut down will occur when water tem- peratures exceed 190°F. Power is automatically turned off to the heating element.
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Page 16: Trouble Shooting
TROUBLE SHOOTING PROBLEM: Water does not get hot Make sure the power supply is on and working. If light does not come on, check that the reset button is pushed in; follow steps from previous section. If the indicator light is illuminated, but water temperature does not get hot at the sink, test for a plumbing crossover as follows;... -
Page 17: Schematic Disassembly & Parts List
Schematic Disassembly WM-2.5/WM-4.0/WM-6.0 32 31 Parts List WM-2.5/WM-4.0/WM-6.0 Name of Part Qty. Name of Part Qty. Tank Component Back Cover Thermostat Power Switch Temp. Adjust Panel Power Switch Box Inside Wiring Assembly Power Cord Cross Screws Screw Inside Cover Blue Circle... -
Page 18: Warranty
WaiWela Mini Tank Water Heaters – Limited SIX (6) YEARS WARRANTY Coverage Efficient Technology Sales, LLC (hereinafter “ETS”) guarantees this wa- ter heater to the Owner (hereinafter “Owner”) of the water heater at the original installation location against defects in material and workmanship for the periods specified below. - Page 19 Manufacturer shall not be liable under this warranty if: a) The water heater or any of its component parts has been subject to excessive water pressure, misuse, abuse, alteration, neglect or accident, or b) The water heater has not been installed in accordance with the applicable local plumbing, electrical and/or building code(s) and/or regulation(s), or c) The water heater has not been installed in accordance with the...
- Page 20 HOW THE OWNER CAN SECURE SERVICE ASSISTANCE OR MAKE A WARRANTY CLAIM Owner should contact the dealer who sold the water heater covered by this warranty or Owner should submit the warranty claim directly to ETS at the address listed below, and they will arrange for the handling of the claim.