Operating instructions
4Operating instructions
4.1Initial filling instructions
Before proceeding with the operation of the heater make sure that the system is filled with water:
BTurn off power supply to heater.
BOpen the cold water inlet supply to the heater fully.
BOpen a hot water faucet to permit the water to fill the heater and the piping and to eliminate the air trapped in the system.
BClose the hot water faucet after the water flows freely and all the air has escaped from the system. Turn on power supply to heater. The water heater is now ready to operate.
Fig. 31
4On/Off button
5 Reset button
6 Recirculation water temperature selector
7 LED - (ON) warning light (blinks during
8 Domestic hot water temperature selector
27 Digital display
4.2For your safety read before operating your water heater
Warning: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
WHAT TO DO IF YOU SMELL GAS
BDo not try to operate any appliance.
BDo not touch any electric switch; do not use any phone in your building.
BImmediately call your gas supplier from a neighbors phone. Follow the gas supplier’s instructions.
BIf you cannot reach your gas supplier, call the fire department.
BUse only your hand to press the on/off control switch. Never use tools. Follow these instructions exactly. If control switch is jammed, close the gas supply and call a qualified service technician. Attempted forceful repair may result in a fire or explosion.
BDo not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.
4.3Startup instructions
B1. STOP! Read the previous safety information.
B2. The gas valve must be shut off by putting the ON/ OFF switch to position OFF. Wait five (5) minutes to clear out any gas. If you smell gas, STOP! Follow the safety information in Chapter 4.2 above. If you do not smell gas, go to the next step.
B3. This appliance is equipped with electronic ignition for lighting the main burners. When turning the heater on, follow these instructions exactly.
B4. Press the ON/OFF switch to the ON position. In this position, the water heater is ready to use.
B 5. Connect tank Aquastat to the TT (thermostat) connection on the heater's printed circuit board. (Fig. 6, page 8). Close circuit on Aquastat to activate heater.
B6. The burners will remain on until the heat demand is met.
NOTE: upon installation or after
igas line work has been done, air in the gas line may cause a lockout error. Reset the unit (Fig. 31, pos. 5). The heater will reattempt ignition.
When the heater is in operation you may hear its induced draft vent fan and burner operating. After a call for heat is satisfied, the fan will continue to operate for up to 5 seconds to exhaust all flue gases.
TO TURN OFF GAS TO APPLIANCE
BTurn off the manual gas shut off on the supply line to the heater and set the ON/OFF switch to the OFF position. Note: a manual gas shut off valve is not supplied with the heater.
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