Évaluations - 2, GPA: 4.5
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4. Turn power on, check for proper operation of boiler or instantaneous water heater and storage tank. - 5 DANGER Water temperature over 52°C (125°F) can cause severe burns instantly or death from scalds. Children, disabled and elderly are at highest risk of being scalded. See instruction manual before setting temperature at the storage tank. Feel water before bathing or showering. Temperature limiting valves are available, see manual. Temperature Adjustment 2. If at the end of the recovery cycle, the IWH is OFF but the circulator pump does not turn OFF automatically, reduce the storage tank thermostat set point until the pump shuts off. Check that pump is off. Temperature Limit Control For safety, a non-adjustable high limit temperature switch will shut off the power when excessive water temperatures are reached. This switch must be re-set manually. V) MAINTENANCE Temperature and Pressure Relief Valve Manually operate the temperature and pressure relief valve at least once a year to make sure it is working properly. To prevent water damage, the valve must be properly connected to a discharge line that terminates at an adequate drain. Thermostats are factory set at 140°F (60°C). The thermostat operates automatically. It can be adjusted to provide a higher or lower water temperature. If water temperature adjustment is required: 1. Turn the electrical supply "OFF". 2. Remove the access door and insulation pad. 3. Check with a voltage tester at terminal 1 and 3 of the limit control that power is indeed "OFF". 4. Adjust the thermostat to the water temperature desired. 5. Ensure insulation pad is in the door cavity. Replace access door(s). 6. Turn the electrical supply "ON". WARNING: Risk of scalding There is a hot water scald potential if the thermostat is set too high. Adjusting the thermostat past the 49°C (120°F) bar on the temperature dial will increase the risk of scald injury. Hot water can cause severe burns in: 1 1/2 seconds at. . . . . . . . . . . . . . 66°C (150°F) 3 seconds at. . . . . . . . . . . . . . . . . 60°C (140°F) 20 seconds at. . . . . . . . . . . . . . . . 54°C (130°F) Initial Temperature Adjustment 1. For the temperature controlled IWH, ensure the temperature set point is 11°C (20°F) higher than the storage tank set point. CAUTION The out-flowing water is hot. Avoid splashing the water on yourself or on the surroundings where it may cause damage. Standing clear of the outlet (discharged water may be hot), slowly lift and release the lever handle on the temperature and pressure relief valve (see Figure 5) to allow the valve to operate freely and return to its closed position. If the valve fails to completely reset and continues to release water, immediately turn "OFF" the electrical supply to the tank, close the cold water supply valve and call a qualified service technician. Figure 5 T&P Relief Valve Test TEMPERATURE AND PRESSURE RELIEF VALVE MANUAL RELIEF VALVE DISCHARGE LINE TO DRAIN Draining and Flushing It is recommended that the storage tank be drained and flushed every 6 months to remove sediment that may build up during operation. The storage tank should also be drained if being shut down for extended periods of time. To drain the tank, perform the following steps: CAUTION The water being drained can be extremely hot! The drain hose should be rated for at least 93°C (200°F). If the drain hose does not have this rating, open the cold water supply valve and a nearby hot water faucet served by the system until the water flow is no longer hot. Close the cold water supply valve and resume. - 6 1. Turn "OFF" the electrical supply to the tank. 2. Close the cold water supply valve. 3. Open a nearby hot water faucet served by the system. 4. Connect a hose to the drain valve and route it to an adequate drain. 5. Open the drain valve and allow all the water to drain from the tank. 6. Open the cold water supply valve and flush the tank as needed to remove sediment and any other foreign matter that may have entered the system. Close the cold water supply valve when clean water flows. 7. Perform any other servicing as required. 8. Close the drain valve, disconnect hose and refill the tank (see “Filling” section). If the water heater is going to be shut down for an extended period, the drain valve should be left open. 9. Turn "ON" the electrical supply to the tank. Water Odor/Sacrificial Anode Your storage tank has been equipped with one magnesium anode that will slowly deplete while protecting the glass- lined tank thus prolonging its life. Certain water conditions may cause a reaction between the anode and the water. The most common complaint associated with the anode is a “rotten egg smell” produced by the presence of sulfur. Do not remove this anode permanently as it will void any warranties, stated or implied. An aluminum anode may reduce if not eliminate water odor problems. The water supply system may require special filtration equipment from a water conditioning company to successfully eli...
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