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®
User’s
Information Manual Gas-Fired Water Boilers
If the information in this manual is not followed exactly, a fire or explosion may result,
causing property damage, personal injury or loss of life.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
— WHAT TO DO IF YOU SMELL GAS —
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any telephone in your building.
• Immediately call your gas su
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GV90+ gas -fired teraw boiler — User’s Information Manual Please read this page first How to use this To . . . Read/use . . . Page . . . manual . . . Learn Warnings and definitions 3 precautions Laundry room or pool — make sure boiler air is Prevent air piped to boiler per manual. 4 Read list of air contaminants you must avoid. Have contamination boiler air piped in if you can’t avoid. Set up a plan for maintaining the boiler using Maintain the schedule included in this manual. 5 Schedule a
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GV90+ gas -fired teraw boiler — User’s Information Manual STOP!! — Read before proceeding Failure to adhere to the guidelines on this page can result User — Have this boiler serviced/ in severe personal injury, death or substantial property inspected by a qualified service tech- damage. nician, at least annually. Boiler service and maintenance — Failure to comply with the above • To avoid electric shock, disconnect electrical supply before could result in severe personal injury, performi
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GV90+ gas -fired teraw boiler — User’s Information Manual Prevent combustion air contamination — Air contamination Combustion air contamination: Common household and hobby products often contain Ensure that the combustion air will not contain any of fluorine or chlorine compounds. When these chemicals the contaminants in Figure 1. pass through the boiler, they can form strong acids in the vent system or boiler. The acid can eat through Combustion air supply openings or intake termination
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GV90+ gas -fired teraw boiler — User’s Information Manual Perform maintenance per schedule below Figure 2 Service and maintenance schedules Service technician Owner maintenance (see Boiler Manual for instructions) (see following pages for instructions) • Check boiler area • Check air openings Daily • Check pressure gauge • Check boiler interior piping • Check venting system • Check air vents Monthly • Check condensate drain system • Check relief valve Follow the procedures listed in • Test low
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GV90+ gas -fired teraw boiler — User’s Information Manual User maintenance procedures The boiler should be inspected and started annually, at the beginning of the heat- ing season, only by a qualified service technician. In addition, the maintenance Boiler must and care of the boiler designated on page 5 and explained on the following pages be serviced must be performed to assure maximum boiler efficiency and reliability. Failure and to service and maintain the boiler and system could re
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GV90+ gas -fired teraw boiler — User’s Information Manual User maintenance procedures (continued) Check boiler interior piping MONTHLY 1. Remove boiler jacket top. 2. Visually inspect for leaks around internal piping, circulators, relief valve and other fittings. Maintenance Immediately call a qualified service technician to repair any leaks. Have leaks fixed at once by a qualifed service technician. Continual fresh makeup water will reduce boiler life. Minerals can build up in sections, redu
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GV90+ gas -fired teraw boiler — User’s Information Manual User maintenance procedures (continued) Check condensate system MONTHLY 1. NOTICE — To improve clarity, this illustration of the condensate trap is shown with no air inlet pipe attached. Maintenance If your boiler has an air pipe connected here, DO NOT tamper with it. The trap is also shown as item m on page 11. 2. Inspect the condensate P-trap (item 1 in the illustration at right). The trap is translucent. You should be able to se
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GV90+ gas -fired teraw boiler — User’s Information Manual User maintenance procedures (continued) Oil blower motor Figure 4 Blower motor EVERY 1. Remove the jacket top panel to access the blower motor. 6 MONTHS 2. Use only Anderol 465. DO NOT use household universal oils. Maintenance Use only Anderol 465 to lubricate the blower motor. Do not use common uni- versal household oils. 3. See Figure 4 4. Place a few drops of oil in each of the two oiler cups on the side of the blower motor. Oper
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GV90+ gas -fired teraw boiler — User’s Information Manual How it works . . . 1 Integrated boiler control The integrated boiler control (IBC) responds to signals from the room thermostat, air LEGEND pressure switch, inlet water sensor and boiler limit circuit to operate the circulators, gas valve, igniter and blower. When a room thermostat calls for heat, the IBC starts the system circulator and blower. a Supply to system, 1” NPT The IBC runs the blower to purge the boiler flue passages, then
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GV90+ gas -fired teraw boiler — User’s Information Manual GV90+ Water Boiler 11 Part number 550-142-055/0411
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GV90+ gas -fired teraw boiler — User’s Information Manual Operating instructions Before attempting to start the boiler, check the boiler pressure temperature gauge. If boiler and system are full of water and properly pressurized, the gauge should read at least 12 psig on most systems. Operating the boiler without proper water content will damage boiler and controls and could result in severe personal injury, death or substantial property damage. Figure 5 Operating instructions 12 Part number
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GV90+ gas -fired teraw boiler — User’s Information Manual Common problems and solutions Symptom Common Causes Possible Corrections Rapid cycling — boiler Thermostat installed where drafts Locate thermostat on inner wall away from or heat affect reading heat sources or cool drafts. turns on and off frequently Heat anticipator in thermostat Adjust thermostat per manufacturer’s adjusted incorrectly instructions. Incorrect limit setting Set limit according to system needs. Maximum setting is 200
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GV90+ gas -fired teraw boiler — User’s Information Manual Common problems and solutions (continued) Symptom Common Causes Possible Corrections Popping or percolating Mineral deposits in sections due Call qualified service technician to de- to constant use of makeup water lime boiler, if necessary. In some cases, noise heard in boiler deposits will be too heavy to remove with de-liming procedures. Have qualified service technician repair leaks to eliminate need for constant makeup water. Inco
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GV90+ gas -fired teraw boiler — User’s Information Manual NOTES 15 Part number 550-142-055/0411
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GV90+ gas -fired teraw boiler — User’s Information Manual
