Weil-McLain CGA25SPDN OCheck/test continued, 10b Service & maintenance - annual start-up cont

GOLD CGa Gas-Fired Water Boiler — Boiler Manual

10b Service & maintenance – annual start-up (cont.)

Safety relief valves should be

REINSPECTEDP !4 ,%!34! /.#% %6%2994(2%%29%!23, by a licensed plumbing contractor or authorized inspection agency, to ensure that the product has not been affected by corrosive water conditions and to ensure that the valve and discharge line have not been altered or tampered with

ILLEGALLY #ERTAINT NATURALLYR OC- curring conditions may corrode the valve or its components over time, rendering the valve inop- erative. Such conditions are not detectable unless the valve and its components are physically removed and inspected. This in- spection must only be conducted by a plumbing contractor or au- thorized inspection agency — not by the owner. Failure to reinspect the boiler relief valve as directed could result in unsafe pressure buildup, which can result in severe personal injury, death or substantial property damage.

Following installation, the valve

LEVERE MUSTS BE OPERATED !4 ,%!34!/.#% !!9%!2 to ensure

THAT WATERWAYSRARERCLEAR #ERTAINT naturally occurring mineral de- posits may adhere to the valve, rendering it inoperative. When manually operating the lever, wa- ter will discharge and precautions must be taken to avoid contact with hot water and to avoid water

DAMAGEA"EFORE OPERATINGALEVER check to see that a discharge line is connected to this valve direct- ing the flow of hot water from the valve to a proper place of disposal otherwise severe personal injury may result. )F NO WATERT FLOWS VALVE IS INOPERATIVE Shut down boiler until a new relief valve has been installed.

OCheck/test (continued)

Boiler relief valve

1.Inspect the relief valve and lift the lever to verify flow as in the following warnings, excerpted from

AARELIEF VALVELMANUFACTURERS WARNINGNLABEL "EFORE operating any relief valve, ensure that it is piped with its discharge in a safe area to avoid severe scald potential. Read manual Section  before proceeding further.

2.After following the above warning directions, if the relief valve weeps or will not seat properly, replace the relief valve. Ensure that the reason for relief valve weeping is the valve and not over-pressurization of the system due to expansion tank waterlogging or undersizing.

&IGURE R Relief valve, typical

OReview with owner

1.Review the 5SERSS )NFORMATION -ANUAL with the owner.

2.Emphasize the need to perform the maintenance schedule specified in the 5SERSS )NFORMATION -ANUAL(and in this manual as well).

3.Remind the owner of the need to call in a licensed contractor should the boiler or system exhibit any unusual behavior.

4.Remind the owner to follow the proper shutdown procedure and to schedule an annual start-up at the beginning of the next heating season.

48 Part Number 550-101-009/0107