Part Number 550-110-641/0605
5
PFG SerieS 7 GaS-Fired Water Boiler — Boiler Manual
Boiler foundation
Never install boiler on combustible flooring or
carpeting, even if a concrete or aerated foundation
is used. Severe personal injury, death or substantial
property damage can result.
1. See Figure 1. A level concrete or solid brick pad is required if:
a) There is a possibility of the floor becoming flooded.
b) Non-level conditions exist.
2. An aerated boiler foundation is recommended if any of the following
conditions exist:
a) Electrical wiring or telephone cables buried in the concrete floor
of the boiler room.
b) Concrete floor is “green.”
c) There is a history of the floor becoming flooded.
d) Water is channeled under the concrete.
Residential garage installation
Install boiler so burners are at least 18 inches above the floor.
Figure 1 Boiler foundation
Hydrostatic pressure test
Pressure test before attaching gas piping or electrical supply.
1. Plug any necessary boiler tappings or openings.
2. Connect water supply. Fill boiler and purge all air. Test at 45 psi for
more than 10 minutes.
Do not leave boiler unattended. A cold water
fill could expand and cause excessive pressure,
resulting in severe personal injury, death or
substantial property damage.
3. Check for maintained gauge pressure and leaks. Repair if found.
Leaks must be repaired at once. Failure to do so
can cause boiler damage, resulting in substantial
property damage.
Do not use petroleum-based sealing compounds in
boiler system. Severe damage to boiler will result,
causing substantial property damage.
4. Drain boiler and remove testing plugs.
Placing the boiler
1. Remove boiler from shipping pallet. Do not drop boiler or bump
jacket on floor or pallet.
2. Level boiler so that the built-in air separation will work correctly.
Shim legs if necessary. Do not alter legs.
3. Remove front jacket door and burner access panel. Unscrew access
panel screws, remove and discard shipping washers, and reinstall
screws.
4. Check for proper orifice sizing from charts below.
Proper orifices must be used. Failure to do so will
cause severe personal injury, death or substantial
property damage.
5. Level and straighten the burners.
Burners must be seated properly in locating slots
with their openings facing up. Gas orifices must
inject down the center of the burner. Failure to
properly seat burners will result in severe personal
injury, death or substantial property damage.
6. Reinstall access panel.
