Honeywell RVGP manual End of season, Troubleshooting, Shutdown procedure

GSA Gas-Fired Steam Boilers – User’s Information Manual

❏End of season

Shutdown procedure

1.Follow “TO TURN OFF GAS TO APPLIANCE” on the "Lighting Instructions" on the inside of the jacket panel.You will also find these instructions on pages 4 and 5 of this manual.

Use the "Lighting Instructions" for the gas valve model installed on the boiler.

2.Do not drain system unless exposure to freezing temperatures will occur.

3.Do not drain the system if it is filled with an antifreeze solution.

4.Do not shut down boilers used for domestic water heating.They must operate year-round.

❏Troubleshooting

Troubleshooting — Common problems and possible solutions

Symptom	Common Causes	Possible Corrections
	Thermostat installed where drafts or	Locate thermostat on inner wall away from heat sources or cool drafts.
	heat affect reading
	Heat anticipator in thermostat	Adjust thermostat per manufacturer's instructions.
Rapid cycling — boiler	adjusted incorrectly
turns on and off	Incorrect limit setting	Set limit according to system needs. Maximum setting is 15 psig. Increase limit setting to
frequently		decrease cycling.
	Main air vent not working (one-pie	Contact service technician to check/replace main air vent or trap
	steam) or trap not working (two-pipe
	steam)
Frequent release of	Inoperative limit control	Call qualified service technician to replace limit control.
water through relief
valve
Need to frequently add	Leaks in boiler or piping	Have qualified service technician repair leaks at once to avoid constant use of makeup
		water. Makeup water can cause mineral deposits which, in turn, can cause boiler section
makeup water
		failure.
Black water condition	Oxygen corrosion due to leaks in	Have qualified service technician repair at once. Keep pH of water between 7.0 to 8.5.
	boiler and piping
	Mineral deposits in sections due to	Call qualified service technician to de-lime boiler, if necessary. In some cases, deposits will
		be too heavy to remove with de-liming procedures.
Popping or percolating	constant use of makeup water
		Have qualified service technician repair leaks to eliminate need for constant makeup water.
noise heard in boiler
	Incorrect pH of boiler water	Call qualified service technician to check pH level and correct. pH should be maintained
		between 7.0 to 8.5.
Water disappears from	Incorrect piping in Hartford loop	Call qualified service technician to inspect. Correct piping, if necessary, to agree exactly with
gauge glass and back	Check-valve inoperative or leaking
out into system through		Boiler Manual. Clean or replace check valve or vacuum breaker if required.
return piping	Vacuum breaker inoperative
	Contaminated combustion air supply	Remove any contaminating products. See page 2 in this manual.
Metal flakes found in		Provide outside air for combustion. Kit available through local distributor. Have qualified
	— See page 2 in this manual.
vent outlet or vent —		service technician pipe-up kit.
flueway corrosion
	Condensation of combustion gases	Have qualified service technician inspect system piping and controls to verify proper
	in boiler sections	regulation of return water temperature.
Some radiators or	Main (or radiator) air vents (one-pipe	Call qualified service technician to inspect/replace air vents or traps
	steam) or traps (two-pipe steam) not
baseboard units do not	operating correctly
heat	High limit set too low	Adjust high limit to higher setting.
Violent waterline	Dirt, oil or other impurities in water	Call qualified service technician to skim boiler, referring to Boiler Manual for procedure.
		Correct waterline to maximum height of gauge glass, minimum height of ¼” above bottom
fluctuations or surging	Waterline too high
		of gauge glass.
	Incorrect piping	Call qualified service technician to inspect piping, correcting to exactly as shown in Boiler
Water passing into		Manual, if not as shown.
steam mains — priming	Sudden release of boiler steam	Call qualified service technician to inspect, adjusting valves or replacing with slow-opening
	pressure by action of zone valves	valves if necessary.

W-T

8201 W. Calumet Rd.

Milwaukee, WI 53223

8 Part Number 550-110-739/0703