User manual BOSCH GWS 14-125 CIE

[. . . ] 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. What to do if you smell gas · Close gas valve. · Do not try to light any appliance. [. . . ] 56 "Program" key 5. 8. 1 Memorizing selected temperature or to select desired B Press buttons temperature. Operation B When a hot water tap is opened, main burner ignites and LCD displays indication . B Hold "Program" button for 3 seconds to save temperature. When LCD stops blinking, temperature is saved in memory. Using "Program" function In order to select memorized temperature B Press "Program" key. Fig. 53 B LCD flashes until selected temperature is reached. B Power bar indicates power percentage in use. LCD shows pre-memorized temperature, which is now the hot water selected temperature. 5. 9 Locked condition 5. 7 Reset button This condition is only valid for appliances with one or more remote controls installed. If the LCD shows the error symbol do not shut off power or unplug the heater. Follow instructions below to reset error first. Record the error code on LCD and consult "Problem solving" section 8. 1, page 40. Fig. 57 Locked condition Whenever LCD shows the temperature setting cannot be adjusted because the appliance is in use by a user which already selected a different temperature. Appliance will be automatically unlock 5 minutes after closing hot water tap. Fig. 54 After following instructions "Troubleshooting" section, indicated in 30 6 720 608 643 Maintenance and service 6 Maintenance and service Warning: Always shut off the electrical power supply, shut off the manual gas valve and shut off the water valves whenever servicing. Caution: B Check and clean the complete water heating system once a year. Flames should be steady and blue with no signs of yellowing. Yellow burner flames are an indication of improper combustion. 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. If the heater must be left in a space which is likely to experience freezing temperatures, all water must be drained from the heater. If precautions are not taken, resulting damage will not be covered under the warranty. NOTE: Use of agents such as anti-freeze is not permitted and voids the warranty, as they may cause damage to the water heater's internal components. Press ON/OFF switch on the water heater to turn OFF the heater and unplug power supply cord. Shut off the water supply to the water heater using installer supplied shutoff valve. Open hot water taps to drain and relieve pressure from the plumbing system. If water continues to flow after 5 minutes, a crossover of the hot and cold water pipes is present and must be corrected before proceeding. 6 720 608 643 31 Maintenance and service 5. [. . . ] This way you have the precise water flow needed (mixing cold water to regulate temperature will increase the water flow with consequent waste of water). 58 6 720 608 643 Limited Warranty 14 Limited Warranty Service Labor Costs This warranty does not cover any labor costs associated with service, removal or re-installation of part(s). All such costs must be borne by the Purchaser. Additionally, this warranty does not cover any labor costs associated with service, removal or re-installation of the original water heater or a replaced water heater. General BOSCH PRO tankless water heaters are warranted by the Manufacturer (BOSCH) through BBT North America. BBT North America (BBTNA) will furnish a replacement heat exchanger and will furnish a replacement of any other part which fails in normal use and service within the applicable periods specified below, in accordance with the terms of this warranty. [. . . ]