A 90+% afue efficient cast iron gas boiler that can vent with pvc pipe material (4 pages)
Summary of Contents for Weil-McLain GV90+
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® User’s Series 2 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. —...
GV90+ Series 2 — User’s Information Manual FIRED WATER BOILER Please read this page first How to use this To . . . Read/use . . . Page . . . manual . . . Learn Warnings and definitions precautions Laundry room or pool —...
Therefore, Weil-McLain equipment contaminated with saltwater are in good condition and fully reliable. or polluted water will no longer be covered under warranty and Otherwise, by operating this boiler, you will should be replaced.
GV90+ Series 2 — User’s Information Manual FIRED WATER BOILER 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.
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GV90+ Series 2 — User’s Information Manual FIRED WATER BOILER 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 •...
GV90+ Series 2 — User’s Information Manual FIRED WATER BOILER User maintenance procedures The boiler should be inspected and started annually, at the beginning of the heat- Boiler must ing season, only by a qualified service technician. In addition, the maintenance and care of the boiler designated on page 5 and explained on the following pages be serviced and must be performed to assure maximum boiler efficiency and reliability.
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GV90+ Series 2 — User’s Information Manual FIRED WATER BOILER User maintenance procedures (continued) Check boiler interior piping MONTHLY 1. Remove boiler jacket top. Maintenance 2. Visually inspect for leaks around internal piping, circulators, relief valve and other fittings. Immediately call a qualified service technician to repair any leaks. Have leaks fixed at once by a qualified service technician.
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GV90+ Series 2 — User’s Information Manual FIRED WATER BOILER User maintenance procedures (continued) Check condensate system MONTHLY 1. NOTICE — To improve clarity, this il- lustration of the condensate trap is shown Maintenance with no air inlet pipe attached. If your boiler has an air pipe connected here, DO NOT tamper with it.
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GV90+ Series 2 — User’s Information Manual FIRED WATER BOILER User maintenance procedures (continued) Oil blower motor Figure 4 Blower motor EVERY 1. Oil blower motor only if required, some GV90+ boilers may have an alternate sealed bearing blower 6 MONTHS motor, (No oiling required).
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GV90+ Series 2 — User’s Information Manual FIRED WATER BOILER 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, boiler water temperature/LWCO sensor and boiler limit circuit to operate the circulators, gas valve, igniter and blower.
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GV90+ Series 2 — User’s Information Manual FIRED WATER BOILER GV90+ Series 2 Water Boiler Part number 550-143-009/0421...
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GV90+ Series 2 — User’s Information Manual FIRED WATER BOILER 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.
GV90+ Series 2 — User’s Information Manual FIRED WATER BOILER Common problems and solutions Symptom Common Causes Possible Corrections Rapid cycling — boiler Thermostat installed where Locate thermostat on inner wall away drafts or heat affect reading from heat sources or cool drafts. turns on and off frequently Heat anticipator in thermostat Adjust thermostat per manufacturer’s...
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GV90+ Series 2 — User’s Information Manual FIRED WATER BOILER 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.
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GV90+ Series 2 — User’s Information Manual FIRED WATER BOILER NOTES Part number 550-143-009/0421...
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GV90+ Series 2 — User’s Information Manual FIRED WATER BOILER...