[. . . ] In the Commonwealth of Massachusetts this product must be installed by a licensed plumber or gas fitter. Upon completion of the installation, these instructions should be handed to the user of the appliance for future reference. · Do not touch any electrical switch; do not use any phone in your building. · Immediately call your gas supplier from a neighbor's phone. [. . . ] 3. The GWS 14-125 CIE requires an electrical power supply from a 120VAC / 60Hz circuit (with a dedicated outlet) and must be properly grounded. 40 Fuses position B After checking the fuses, reinstall all parts in reverse order. 6 720 608 643 27 Operation instructions 5 Operation instructions Fig. 41 1 2 3 4 5 6 7 On/Off button Reset button Program Key LCD display Up button Down button Power On or stand-by LED 5. 1 Description LCD Display Warning: Do not use any cleaning agressive or corrosive agents to clean the window. 48 Remote control indicator 28 6 720 608 643 Operation instructions 5. 2 For 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. 5. 4 Temperature selection or in order to reach desired To select hot water temperature: B Press buttons temperature. A. This appliance is equipped with electronic ignition for lighting the main burner. B Do not touch any electric switch; do not use any phone in your building. If control switch is jammed, close the gas supply and call a qualified service technician. 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. 50 Setting the water temperature The desired temperature of the hot water can be adjusted on the front control panel of the heater. The GWS 14-125 CIE has an electronically controlled gas valve that modulates the burner input in response to both varying hot water flow rates and/or changes in any incoming and outgoing water temperatures. Note: The water heater, running at minimum BTU, may still achieve temperatures above the desired set temperature. Scale build up will shorten the life of the water heater and damage resulting from is not covered under warranty. Refer to section 6. 3 for detailed instructions on descaling the heat exchanger. Fin Coils · Inspect heat exchanger fincoil for soot build-up or blockage. If there is evidence of soot build-up or blockage, the heat exchanger should be removed by a professsional and cleaned thoroughly. Condensate trap · Check water level in the condensate trap, see Fig. · If appliance is out of service for more than 10 days, fill as described on page 14. · Check for debris and clean if needed. Annual maintenance table Every year 1. Inspect venting system Inspect heat exchanger Inspect burner Inspect condensate trap Inspect water filter X X X X X Table 14 Annual maintenance 6. 1 Annual maintenance (To remove front cover, see page 6. ) Venting System · Venting system - inspect inside of flue pipe for any blockage or restriction. Inspect combustion air and exhaust terminations for blockage or debris. Refer to Section 3. 11, page 15 & & 3. 12, page 16 of this manual to verify exhaust system and combustion air supply meets manufacturer's specifications. Pressure Relief · Manually open the pressure relief valve to ensure proper operation. 6. 2 Winterizing for seasonal use The water heater must not be installed in a location where it may be exposed to freezing temperatures. [. . . ] Components Many parts in the heater can be fully recycled in the end of the product life. Contact your city authorities for information about the disposal of recyclable products. Saving water resources: B Make sure you close all the taps after any use. B Define the temperature you want, in the appliance or with the remote control. [. . . ]