Weil-McLain CG-4 - Section I: Pre-Installation; Section II: Boiler Set-Up; Section IV: Gas Piping; Section VI: Final Adjustments

Table of Contents
Section I: Pre-Installation Section IV: Gas Piping . 9
Air Supply for Combustion . 3
Chimney or Vent Requirements . 3
Minimum Service Clearances . 4
Boiler Foundation. 4
Section II: Boiler Set-Up
Placement . 5
Draft Hood . 5
Breeching . 5
Hydrostatic Pressure Test. 5
Section III: Piping
Supply and Return . 6
Expansion Tank Sizing . 6
Multiple Zoning with Circulators . 7
Bypass Piping . 8
Use with Refrigeration System . 8
Section V: Wiring .10
Section VI: Final Adjustments
Section VII: Check-Out Procedure .13
Section VIII: Maintenance . 14-15
Section IX: Replacement Parts. 1 6 - 2 1
Ratings & Dimensions . 2 2-23
IMPORTANT^ When calling or writing about boiler,
PLEASE GIVE MODEL and SERIES located on boiler
rating label AND C.P. NUMBER affixed next to rating
label.
The following defined terms are used throughout this manual. They bring attention to presence of hazards of various risk levels,
or to important information concerning life of product.
DANGER
WARNING
Indicates presence of a hazard which
will cause severe personal injury,
death or substantial property damage
if ignored.
Indicates presence of a hazard which
can cause severe personal injury,,
death or substantial property damage
if ignored.
CAUTION
Indicates presence of a hazard which
will or can cause minor personal in¬
jury or property damage if ignored.
NOTICE
Indicates special instructions on in¬
stallations, operation, or maintenance
which are important but not related
to personal injury hazards.
DANGER
Do not use petroleum based cleaning or sealing compounds in boiler system.
Severe damage to boiler will result, causing substantial property damage.
WARNING
Read all instructions before installing.
Failure to follow all instructions in proper order can cause severe personal injury, death, or substantial property damage.