Related Manuals for Waiwela MiniTank WM-1.0
Summary of Contents for Waiwela MiniTank WM-1.0
- Page 1 Mini Tank Electric Mini Tank – Water Heaters WM-1.0 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 General Information Technical Data 4 - 5 Technical Description Installation Instructions Plumbing Connections Temperature & Pressure Relief Valve Filling The Water Heater Electrical Connections Instructions For Use 10 - 11 Maintenance Instructions 11 - 14 Troubleshooting Warranty 15 - 16/19... -
Page 3: Important Safety Instructions
General Information The WaiWela Mini Tank water heaters can be used in most under the counter, point of use applications. Models WM-1.0. WM-2.5, WM-4.0 and WM-6.0 are designed to supply hot water for hand washing in a residential, commercial or industrial environment. -
Page 4: Technical Data
Technical Data Model WM-1.0 WM-2.5 WM-4.0 WM-6.0 Capacity Gallons Voltage 110-120 110-120 110-120 110-120 Power at 120 Vac Watts 1440 1440 1440 1440 Max. Water Pressure Weight (empty) lbs. 12 1/2 Amperage Amps Phases Assembly Figure Temperature & Water outlet... - Page 5 Dimensions Model WM-1.0 WM-2.5 WM-4.0 WM-6.0 A (inch) 12 1/2” 14 1/2” 19 1/4” 18” B (inch) 11” 11 3/4” 11 3/4” 15 3/4” C (inch) 10” 10 3/8” 10 3/8” 15 1/2” Schematic Construction Indicator Light Thermostat Insulation Foam...
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Page 6: Technical Description
Technical description There are four WaiWela Mini tank models, a 1.0, 2.5, a 4.0 and a 6.0 gallon model. The pressure vessel (water tank) is welded, glass lined steel and is equipped with an anode rod. The water heater is equipped with a thermostat and a high limit temperature switch. -
Page 7: Installation Instructions
Fasten the supplied mounting bracket to the wall. Use screws that are suitable for the wall material and the weight of the water heater filled to capacity (WM-1.0 = 24 lbs WM-2.5 = 41 lbs, WM-4.0 = 57 lbs, WM-6.0 = 76 lbs). -
Page 8: Temperature & Pressure Relief Valve
Temperatures and pressure relief valve: Caution Install the Temperature/Pressure Relief Valve supplied with the water heater! Install a discharge pipe from the temperature/pressure relief valve terminating at a sink or drain. Do not cap or plug the end of the discharge pipe. The discharge pipe must be unobstructed and full sized. The T/P valve is certified by a nationally recognized test lab that maintains periodic inspections of the listed equipment and meets the requirements for relief valves and automatic shut off devices for hot water supply systems ANSI 121.22-1979. -
Page 9: Filling The Water Heater
Closed system thermal expansion: Periodic discharge of the T/P relief valve or failure of the element gasket may be due to thermal expansion in a closed water supply system. The water utility supply meter may contain a check valve, back flow preventer or water pressure reducing valve which will create a closed water system. -
Page 10: Electrical Connections
The water heater is fitted with a power cord that is intended to plug into a grounded 110-120 V/AC receptacle. Adhere to all pertinent State and local codes. Install the correct size circuit breaker into the master panel. The WaiWela WM water heater was manufactured and wired in accordance with UL requirements. -
Page 11: Maintenance Instructions
Setting the thermostat: The water heater is equipped with an adjustable thermostat that once set will automatically control water temperature. The red indicator lamp remains illuminated while the water is being heated. If the water in the tank is at the desired temperature the lamp will not be illuminated. The temperature adjusting knob will increase the temperature by turning the knob clockwise and decrease the water temperature by turning the knob counter clockwise. - Page 12 Maintenance instructions cont. Warning Before servicing or cleaning the water heater, turn off the power switch and disconnect the power cord from the electrical outlet. Note For most maintenance operations, the water heater will be drained. In all cases before draining first turn off the power switch and then unplug power cord.
- Page 13 Descaling the heating element cont. 3. To descale manually, let element dry and then using a non metallic brush similar to a tooth brush; brush the residue from the element. Avoid damaging the surface of the element. 4. Reinstall the element and gasket. 5.
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Page 14: Heating Element
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 temperatures exceed 190°F. Power is automatically turned off to the heating element. -
Page 15: Troubleshooting
Troubleshooting Problem Water does not get hot 1. Make sure the power supply is on and working. 2. If light does not come on, check that the reset button is pushed in; follow steps from previous section. 3. If the indicator light is illuminated, but water temperature does not get hot at the sink, test for a plumbing crossover as follows;... -
Page 16: Warranty
Warranty Period 1. When a failure of the inner tank of a WaiWela Mini Tank water heater, installed in a single family, residential application and exposed to normal usage (not including recirculating applications), occurs within six (6) years from the date of the original installation and is supplied with potable... - Page 17 Owner should retain this document. Note Most tank water heaters eventually leak. Your WaiWela quality water heater should be installed in such a manner that if it should leak, the resulting flow of water will not cause damage to the area in which it is installed.
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Page 18: Schematic Disassembly & Parts List
Schematic Disassembly WM-1.0/WM-2.5/WM-4.0/WM-6.0 32 31 Parts List WM-1.0/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 19 4. When returning the water heater or component part(s), they must be individually tagged and identified with the Returned Goods Authorization # issued by ETS and shipped prepaid to ETS at the address below. Efficient Technology Sales, Inc. 5350 Joliet Street Denver, CO 80239 T: 800.605.6542 P: 303.339.4900 F: 303.339.4909 www.waiwela.com Page 19...