Part Number 550-110-641/0605
2
PFG SerieS 7 GaS-Fired Water Boiler — Boiler Manual
Codes
Installation must comply with all local codes, laws,
regulations and ordinances. Also United States National
Fuel Gas Code ANSI Z223.1-latest edition. When re-
quired, the installation must conform to Standard for
Controls and Safety Devices for Automatically Fired
Boilers, ANSI/ASME CSD-1. Safe lighting and other
performance criteria were met with the gas manifold
and control assembly provided on the boiler when the
boiler underwent tests specified in ANSI Z21.13-latest
edition.
Canadian installations must comply with CAN/CSA
B149.1 or .2 Installation Codes. The equipment shall be
installed in accordance with those installation regula-
tions in force in the local area where the installation is
to be made. These shall be carefully followed in all cases.
Authorities having jurisdiction shall be consulted before
installations are made.
Section I: Installation 2-14
Codes ................................................................. 2
Combustion air and ventilation openings............ 3
Select the boiler location .................................... 3
Installation clearances ........................................ 3
Chimney or vent requirements ........................... 4
When removing boiler from common vent .......... 4
Boiler foundation ................................................ 5
Placing the boiler ................................................ 5
Residential garage installation ........................... 5
Hydrostatic pressure test .................................... 5
Boiler piping connections . . ............................... 6
Recommended piping ........................................ 6
Multiple zoning ................................................... 7
Filling the system ................................................ 7
Bypass piping ..................................................... 8
External heat exchangers ................................... 9
Freeze protection ................................................ 9
Using with refrigeration system .......................... 9
Contents
Read before proceeding
The boiler contains ceramic fiber and fiberglass materials.
Use care when handling these materials per instructions on
page 15 of this manual. Failure to comply could result in severe
personal injury.
Do not use petroleum-based cleaning or sealing compounds
in boiler system. Severe damage to system components can
result, causing substantial property damage.
Read all instructions before installing. Failure to follow all
instructions in proper order can cause severe personal injury,
death or substantial property damage.
Hazard definitions
The following defined terms are used throughout this manual to bring
attention to the presence of hazards of various risk levels, or to important
information concerning the life of the product.
Indicates presence of hazards that will cause severe personal
injury, death or substantial property damage.
Indicates presence of hazards that can cause severe personal
injury, death or substantial property damage.
Indicates presence of hazards that will or can cause minor
personal injury or property damage.
Indicates special instructions on installation, operation or
maintenance that are important but not related to personal
injury or property damage.
When calling or writing about the boiler—
Please have the boiler model number from
the boiler rating label and the CP number
from the boiler jacket. You may list the
CP number in the space provided on the
Installation and service certificate
found on page 14.
Size and install gas piping ........................... 10-11
Draft hood installation ....................................... 12
Spill switch installation ...................................... 12
Damper installation ........................................... 12
Breeching erection ........................................... 12
Wiring ............................................................... 12
Install room thermostat ..................................... 12
Wiring multiple zones ....................................... 13
Canadian installations – chain and s-hook ....... 13
Checkout procedure ......................................... 14
Section II: Service 15-19
Section III: Replacement Parts 20-21
Section IV: Ratings, Dimensions 22-23
