Install Instructions

109837-01 - 5/20

PVCG-C

Installation, Operating & Service Manual

WARNING

Asphyxiation Hazard. Fire Hazard. Explosion Hazard. This boiler requires regular maintenance and

service to operate safely. Follow the instructions contained in this manual.

• Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal

injur y or loss of life. Read and understand the entire manual before attempting installation, start-up

operation, or service. Installation and service must be perfor med only by an experienced, skilled, and

knowledgeable installer or service agency.

• This boiler must be properly vented.

• This boiler needs fresh air for safe operation and must be installed so there are provisions for adequate

combustion and ventilation air.

• Asphyxiation Hazard. The interior of the venting system must be inspected and cleaned before the

star t of the heating season and should be inspected periodically throughout the heating season.

A clean and unobstructed venting system is necessary to allow noxious fumes that could

cause injury or loss of life to vent safely and will contribute toward maintaining the boiler’s efficiency.

• Installation is not complete unless a safety relief valve is installed in the supply piping. - See the Water

Piping Section of this manual for details.

• This boiler is supplied with safety devices which may cause the boiler to shut down and not re-start

without service. If damage due to frozen pipes is a possibility, the heating system should not be left

unattended in cold weather; or appropriate safeguards and alarms should be installed on the heating

system to prevent damage if the boiler is inoperative.

• Do not obstruct the combustion or ventilation air supply to the boiler.

• Burn Hazard. This boiler contains very hot water under high pressure. Do not unscrew any pipe fittings

nor attempt to disconnect any components of this boiler without positively assuring the water is cool

and has no pressure. Always wear protective clothing and equipment when installing, starting up or

servicing this boiler to prevent scald injuries. Do not rely on the pressure and temperature gauges to

determine the temperature and pressure of the boiler. This boiler contains components which become

very hot when the boiler is operating. Do not touch any components unless they are cool.

• Respiratory Hazard. Boiler materials of construction, products of combustion and the fuel contain

alumina, silica, heavy metals, carbon monoxide, nitrogen oxides, aldehydes and/or other toxic or

harmful substances which can cause death or serious injury and which are known to the state of

California to cause cancer, birth defects and other reproductive harm. Always use proper safety

clothing, respirators and equipment when servicing or working nearby the appliance.

• Failure to follow all instructions in the proper order can cause personal injury or death. Read all

instructions, including all those contained in component manufacturers manuals which are provided

with the boiler before installing, starting up, operating, maintaining or servicing.

• All cover plates, enclosures and guards must be in place at all times.

DANGER

Explosion Hazard. Electrical Shock Hazard. Burn Hazard. This boiler uses flammable gas, high voltage

electricity, moving parts, and very hot water under high pressure.

Assure that all gas and electric power supplies are off and that the water temperature is cool before

attempting any disassembly or service. Do not attempt any service work if gas is present in the air in the

vicinity of the boiler. Never modify, remove or tamper with any control device.