Prepare Boiler - Weil-McLain GOLD CGa Installation And Maintenance Manual

GOLD
2a
Prepare boiler —
Place boiler/crate near position
1.
Leave boiler in crate and on pallet
site is ready.
2. Move entire crate and pallet next to selected
location.
3. Remove crate.
4. Remove boiler from pallet as follows:
a. Tilt left side of boiler up and place a board
under left legs.
b. Tilt boiler the other way and place a board
under right legs.
c. Slide boiler backwards off pallet and into
position.
5. Check level.
a. Shim legs, if necessary.
b. Do not alter legs.
Inspect orifices and burners
1. Remove front jacket door. Remove base access panel
(See
Figure 32
2. Check for correctly-sized manifold orifices. See
below for sizing. (The orifice size is stamped on
2
the orifice spud barrel.)
3. Level and straighten burners.
Table 2 Manifold orifice sizing
Location
Canada
Note 1:
12
CGa Gas-Fired Water Boiler
Leave boiler on pallet.
Do not drop boiler or bump jacket
on floor or pallet. Damage to boiler
can result.
, item , page 62).
4
Correctly-sized manifold orifices
must be used. Failure to do so will
result in severe personal injury,
death or substantial property
damage.
Burners must be properly seated in
slots in burner rest with their
openings face up. Main burner
orifices must inject down center of
0-2,000 ft
U. S.
2.00 mm
0-2,000 ft
2.00 mm
For elevations above 2,000 feet, contact your local Weil-McLain sales office for details.
placement and setup
until installation
4. Reinstall access panel.
Orifice replacement procedure
(when required)
1. Remove access panel.
2. On gas manifold, mark location of main burner with
attached pilot assembly.
3. Remove main burner with attached pilot assembly
from manifold. Remove all remaining burners.
4. Remove and discard all main burner orifices in gas
manifold.
5. Apply a small amount of pipe dope to each of the
Table
new orifices and install in the manifold. Make sure
the orifices are aligned correctly, not cross-threaded
in the manifold tappings.
6. Reinstall main burner with attached pilot assembly
at location marked on gas manifold. Reinstall all
remaining burners.
7. Follow check-out procedure, section
Natural gas
over 2,000 ft
(Note 1)
2,000-4,500
1.90 mm
burner. Failure to properly seat
burners will result in severe personal
injury, death or substantial property
damage.
Do not operate boiler without access
panel secured in place. Failure to
comply could cause momentary
flame rollout on ignition of main
flame, resulting in possible fire or
personal injury hazard.
Use only pipe dope compatible with
propane gas, even if boiler is to be
operated on natural gas. Failure to
comply could result in severe
personal injury, death or substantial
property damage.
, page 33.
7
Propane gas
0-2,000 ft over 2,000 ft
1.30 mm (Note 1)
0-2,000 ft 2,000-4,500
1.30 mm 1.20 mm
Part Number 550-110-593/1099