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Weil-McLain GOLD CGI 2 SERIES User Manual

Weil-McLain GOLD CGI 2 SERIES
68 pages
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Part No. 550-110-710/0107
This manual must only be used by a qualified heating installer/service technician. Before installing, read all
instructions, including this manual, the burner manual and any related supplements. Perform steps in the order
given. Failure to comply could result in severe personal injury, death or substantial property damage.
• Installation
• Startup
Boiler Manual
• Maintenance
• Parts
GOLD CGi
Gas-Fired Water Boilers
Series 2
DO NOT USE BOILER DURING CONSTRUCTION unless you provide dust-free air to the boiler area or
follow the requirements given on page 9. Failure to comply could result in severe personal injury, death or sub-
stantial property damage.

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Weil-McLain GOLD CGI 2 SERIES Specifications

General IconGeneral
ModelGOLD CGI 2 SERIES
Heat ExchangerCast Iron
Fuel TypeNatural Gas or Propane
Water ContentVaries by model
Ignition TypeElectronic

Summary

How it works

Control module

Explains the function of the control module in boiler operation and sequence.

Inducer

Describes the inducer's function in moving flue gases and air.

Air pressure switch

Explains the air pressure switch's role in signaling inducer function and vent blockage.

Water temperature limit switch

Describes the limit switch's function to turn off the gas valve at high temperatures.

Boiler circulator

Explains the circulator's function and its pump exercising routine.

Hazard definitions

DANGER

Indicates severe personal injury, death, or property damage.

WARNING

Indicates severe personal injury, death, or property damage.

Please read before proceeding

Glycol hazard warning

Warnings and precautions regarding glycol usage.

Prepare boiler location

Clearances

Lists minimum clearances required for safe installation.

Air contamination warnings

Warning about contaminated combustion air.

Prepare boiler

Placement & setup

Instructions for placing and setting up the boiler.

Orifice inspection and replacement

Steps for inspecting and replacing manifold orifices.

Venting

Direct exhaust termination

Instructions for locating vent termination.

Water piping

Single-zone system

Installation of expansion tanks for single-zone systems.

Multiple zones

Instructions for piping multiple zones.

Low temperature systems

Explains primary/secondary and bypass piping methods.

Gas piping

Connecting gas supply piping

Steps for connecting gas supply piping.

Field wiring

Start-up

Preparation: Gas leak check

Procedures for checking gas leaks.

Operate boiler: Safety warnings

Essential safety warnings before operation.

Operate boiler: Startup procedure

Step-by-step guide for boiler operation.

Check-out procedure

Operation

Service and maintenance

Troubleshooting

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