Weil-mclain CGa User Manual download pdf (Page 3)

User’s Information Manual

Part Number 550-110-592/0408

Failure to adhere to the guidelines on this page can result in severe personal injury, death or substantial

property damage.

STOP!! — Read before proceeding

Products to avoid

Spray cans containing chloro/fluorocar-

bons

Permanent wave solutions

Chlorinated waxes/cleaners

Chlorine-based swimming pool chemicals

Calcium chloride used for thawing

Sodium chloride used for water softening

Refrigerant leaks

Paint or varnish removers

Hydrochloric acid/muriatic acid

Cements and glues

Antistatic fabric softeners used in clothes

dryers

Chlorine-type bleaches, detergents, and

cleaning solvents found in household

laundry rooms

Adhesives used to fasten building products

and other similar products

Areas likely to have

contaminants

Dry cleaning/laundry areas and establish-

ments

Swimming pools

Metal fabrication plants

Beauty shops

Refrigeration repair shops

Photo processing plants

Auto body shops

Plastic manufacturing plants

Furniture refinishing areas and establish-

ments

New building construction

Remodeling areas

Garages with workshops

Boiler water

• DO NOT use petroleum-based cleaning or sealing compounds in boiler system.

Water seal deterioration will occur, causing leakage between sections and damage

to heating system components. This can result in substantial property damage.

• DO NOT use “homemade cures” or “boiler patent medicines”. Serious damage

to boiler, personnel and/or property may result.

• Continual fresh

makeup water will reduce boiler life. Mineral buildup in

sections reduces heat transfer, overheats cast iron, and causes section failure.

Addition of oxygen and other gases can cause internal corrosion. Leaks in boiler

or piping must be repaired at once to prevent makeup water.

• Do not add cold water to hot boiler. Thermal shock can cause sections to

crack.

Boiler operation

• Do not block ﬂow of combustion or ventilation air to boiler. This boiler is

equipped with a control which will automatically shut down the boiler should

air or vent be blocked. If vent or air blockage is easily accessible and removable,

remove it. The boiler should attempt to restart within an hour. If blockage is

not obvious or cannot be removed, have the boiler and system checked by a

qualiﬁed service technician.

• Should

overheating occur or gas supply fail to shut off, do not turn off or

disconnect electrical supply to pump. Instead,

shut off the gas supply at a

location

external to the appliance.

• Do not use this boiler if any part has been under water. Immediately call a

qualiﬁed service technician to inspect the boiler and to replace any part of the

control system and any gas control, which has been under water.

• Have the building monitored when it is vacant for an extended period. Safety

controls can shut down the boiler at any time. The loss of heat can result in

signiﬁcant damage due to freezing.

Service and maintenance

• To avoid electric shock, disconnect electrical supply before performing

maintenance.

• To avoid severe burns, allow boiler to cool before performing maintenance.

• You must maintain the boiler as outlined in the manual and have the boiler

started up and serviced at least annually by a qualiﬁed service technician

to ensure boiler/system reliability.

Air contamination

• To prevent potential of severe personal injury or death, check for products or

areas listed in table at right before installing boiler. If any of these contaminants

are found:

• remove contaminants permanently.

— OR —

• isolate boiler and provide outside combustion air. See national, provincial or

local codes for further information.

— OR —

• for CGs boilers only — combustion air may be ducted from outside to the boiler

air intake.

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Weil-mclain CGa User Manual Page 3

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