Waiwela Wm-6.0 Point-of-use Mini-tank Water Heater 6.0 Gallon
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Introducing three new members of the WaiWela family of quality water heaters, the WaiWela Mini 2.5, WaiWela Mini 4 and WaiWela Mini 6. All are 110 VAC, UL approved, under sink, point of use electric water heaters. The WaiWela minis offer a cost effective alternative to recirculation, addressing the need to reduce time, water and energy waste associated with long hot water plumbing runs. WaiWela Mini Tanks combine quality materials and efficient manufacturing techniques to produce an affordable solution to an everyday problem. Millions of gallons of fresh water are wasted everyday waiting for the hot water to arrive. Install a WaiWela Mini tank under your sinks to eliminate the wait and reduce the waste of fresh water. Save water : no waiting = no waste.
2.5, 4 and 6 gallon models. Versatile floor or wall mount design. Adjustable thermostat with overheat protection.
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. Install or locate this water heater only in accordance with the provided installation instructions.
Use this water heater only for its intended use as described in this manual. Do not use an extension cord set with this water heater. If no receptacle is available adjacent to the water heater, contact a qualified electrician to have one properly installed.
The WaiWela Mini Tank water heaters can be used in most under the counter, point of use applications. Models WM-2.5, WM-4.0 and WM-6.0 are designed to supply hot water for all hand wash and kitchen sinks in a residential, commercial or industrial environment. The WM-2.5, WM-4.0 and WM-6.0 can replace traditional central hot water heaters thereby conserving water and reducing energy waste.
The WaiWela Mini tank water heaters are lightweight and compact and manufactured for easy installation. The WM-2.5, WM-4.0 and WM-6.0 are designed to be mounted on the wall.
Hydrogen gas can be produced in a hot water system served by this heater that has not been used for a long period of time (generally 2 weeks or more). Hydrogen gas is extremely flammable. To reduce the risk of injury under these conditions, it is recommended that the hot water faucet be opened for several minutes at the nearest and most distant sink being served by this water heater before using any electrical appliance connected to the hot water system i. If hydrogen gas is present, there will probably be an unusual sound such as air escaping through the faucet as the water begins to flow. There should be no smoking or open flame near the faucet at this time. WARNING: Installer should review the contents of this manual with the owner upon completion of the installation, and the manual should remain with the owner and placed in a location close to the water heater. There are three WaiWela Mini tank models, a 2.5 gallon, a 4.0 gallon 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.
A temperature/pressure relief valve is supplied with the unit. WM-2.5/WM-4.0/WM-6.0 The installation must be completed by a licensed professional.
All state and local codes must be adhered to. CHOOSE A LOCATION that allows ease of access for maintenance or servicing ideally installed at least 8 to 9 from the ceiling (inside top of cabinet) or any adjacent walls. 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-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 of the bracket are seated in the mounting slots. Confirm your water piping orientation (hot and cold) before wall mounting. ONLY INSTALL IN VERTICAL POSITION. Heater can sit on the floor.
Confirm water piping orientation before finalizing on floor. ONLY INSTALL IN VERTICAL POSITION! Models WM-2.5, WM-4.0 and WM-6.0 can be installed under the sink. 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.
Insure that the water heater is installed in a level position. Install a shut off valve on the cold water side of the water heater. The valve is for servicing and the valve should be in the open position when the water heater is in operation. In order to protect the water heater from heat damage due to soldering, solder a piece of tubing to a threaded UNION fitting before screwing the UNION to the tank. DO NOT APPLY HEAT DIRECTLY TO INLET OR OUTLET CONNECTIONS. TEMPERATURE AND PRESSURE RELIEF VALVE. 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. The T/P valve is marked with a maximum pressure, which does not exceed the maximum working pressure of the water heater (150 PSI).
Install the T/P valve into the threaded opening at the top of the water heater and orient the discharge tubing so that any discharge from the valve will exit within 6 inches above, or at any distance below the structural floor, and cannot contact any live electrical part. 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. Must terminate at an adequate drain.
Must not have a shut off valve between relief valve and tank or relief valve and termination of discharge. 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, backflow preventer or water pressure reducing valve which will create a closed water system. During the heating cycle of the water heater, the heated water expands causing pressure inside the water heater to increase. The T/P relief valve may discharge hot water under these conditions which results in a loss of energy and a buildup of lime on the relief valve seat.
To prevent this from happening, there are two recommendations. Install a diaphragm-type domestic hot water expansion tank (suitable for potable water) on the cold water supply line. The expansion tank must have a minimum capacity of 1.5 U. Gallons for every 50 gallons of stored water. Install a 125 PSI pressure relief valve in the cold water supply line. Make sure the discharge of this valve is directed to an open drain and protected from freezing.
Before connecting the power, fill the tank and system with water and check for leaks. To be sure that all air is out of the water system, open the hot water faucets on your fixtures until constant water flows from them.
Otherwise any air remaining in the tank will cause the water heater element to self-destruct. Open the hot water faucet. Open the cold water supply valve. When continuous water flows out of the faucet, the tank is filled.
Close the hot water faucet. Check entire system for leaks. 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.
Connect the water heater to a GROUNDED OUTLET. 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.
If the supplied electrical power cord is either damaged or not long enough, do NOT use an extension cord. Have a licensed electrician replace the power cord.
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. 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.
When not being used for a lengthy period of time, you can conserve energy by reducing the water temperature setting. When the water heater is not being used for an extended period of time and there is a risk of freezing, either unplug and drain the water heater OR turn the thermostat knob to the snowflake position to guard against freezing. This position will keep the internal water temperature above the freezing point. 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.
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.
DRAINING AND REMOVING THE WATER HEATER. Open a hot water faucet to let hot water run out. Allow water to flow until water is no longer hot. Turn off the cold water supply to the water heater. Disconnect the water heater from both the hot and cold water connections. If possible siphon out remaining water. Carefully detach the water heater from the wall. Tilt the water heater to drain remaining water out of the heater. Turn off power supply, unplug water heater power cord and drain (see above). Remove all the line wires from the heating element. Unscrew the heating element retaining nuts. 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. 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. Reinstall the element and gasket. Refill tank with water before turning on the power to the water heater.
Unplug and drain the water heater (see prior instructions). Remove heating element noting original positions of all connections. Install new element with gasket making sure the new element and gasket are positioned correctly. Tighten retaining nuts and make the wire connections to their original locations. Turn off the power switch and unplug the water heater from the electric outlet. Drain and remove the water heater. Remove six screws retaining the bottom panel of the water heater and remove the panel.
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. The shut off device may activate as a result of a power outage or an electrical storm. NOTE: Do not attempt to reset the high limit switch without first allowing the water heater to cool down the high temperature water inside the heater. WARNING: Do not tamper with the reset button to override overheating shut down. Locate the high limit reset button. Depress the small red button in the center of the junction box, replace the bottom panel and place the water heater back into service. NOTE: A lower temperature setting saves energy and reduces the risk of scalding. Call a technician if the high limit needs to be reset frequently. 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; shut off cold water supply to water heater and open hot water tap. There should be no water flowing. Any continuous flow indicates a cross over which will affect the temperature and will need to be corrected. If there is no crossover, then replace the heating element see previous sections.
PROBLEM: Indicator light not on. If the light does not come on, but water gets hot, check for faulty bulb. Check reset button; follow steps from previous section. Brown or rusty water indicates a spent anode rod. Smelly water could be due to an unusual reaction between local water and the heaters anode rod.
PROBLEM: Water is too hot. Turn the temperature knob counter clockwise to a lower temperature setting.
If temperature does not lower within 60 minutes, then replace thermostat. PROBLEM: Water is not hot enough.
Under Instructions for Use, see Setting the thermostat. Turn off power switch and unplug water heater from 110 VAC outlet. Check water fittings and T&P fitting in the top of the tank. Remove cover and inspect heating element gasket. WaiWela Mini Tank Water Heaters.
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. The item "WaiWela WM-6.0 Point-of-Use Mini-Tank Water Heater 6.0 Gallon" is in sale since Tuesday, August 23, 2016. This item is in the category "Home & Garden\Home Improvement\Heating, Cooling & Air\Water Heaters\Standard Water Heaters". The seller is "biggreenvendingmachine" and is located in Plainfield, Illinois. This item can be shipped to United States, all countries in Europe, all countries in continental Asia, Canada, Australia.
- Brand: WaiWela
- Model: WM-6.0
- MPN: WM-6.0
- Part Number: WM-6.0
- Weight: 26 Lbs
- Voltage: 120 V
- Amperage: 12 AMPs
- Dimensions: 18" H x 15 3/4" W x 15 1/2" D
- Temperature Range: 50 - 140 F
- Water Connections: 3/4" PT
- Country/Region of Manufacture: China
- Limited Residential Warranty: 6 Years Tank / 2 Years Parts
- Capacity: 6.0 Gallons
- GTIN: 00609408023170
- Distributed by: Products That Save