9
Figure 4: Base Gasket Installation
II. Knocked-Down Boiler Assembly
WARNING
Installation of this boiler should be undertaken
only by trained and skilled personnel from a
qualified service agency.
A.
Install Base-Burner-Manifold Assembly
1. Base-Burner-Manifold is shipped assembled from
factory (Gas Valve and Pilot/Burner Assembly is
shipped in the "Gas Controls Carton").
2. Unpack base assembly and place in location where
boiler is to be installed (Refer to Section I: Pre-
Installation).
B.
Install assembled cast iron sections
on base assembly:
1. Install (4) 5/16" x ¼" self-tapping screws through
(4) holes in upper base flange with screw heads on
underside of flange. Note: Screws are located in
fiber gasket parts bag.
2. Install ceramic fiber gasket. See
Figure 4.
3. Position boiler above base with lugs cast in boiler
sections centered over screws protruding from top of
base. Lower boiler onto base taking care not to
disturb ceramic fiber gasket. Secure with 5/16"
locknuts and washers provided. See Figure 5.
4. Loosen nuts on tie rods until only finger tight.
5. If Steam boiler less tankless heater, proceed to
Paragraph C.
Note: If tankless heater is not installed, heater opening
cover plate must remain in place.
C.
Test boiler for leaks
before connecting to system and
installing controls, trim and jacket.
1. Attach pressure gauge (capable of indicating 30 psi)
on boiler.
Figure 5: Section Assembly Attachment
Figure 6: Hydrostatic Pressure Test
2. Attach fill valve and piping to return tapping and
purge valve to supply tapping. See Figure 6.
3. Install plugs in remaining tappings.
4. Fill boiler completely with water by venting air
through purge valve. Close purge valve and apply
water pressure of at least 10 psi but not exceeding
30 psi gauge pressure.
5. Examine boiler carefully inside and outside for leaks
or damage due to shipment or handling.
Summary of Contents for INDEPENDENCE
Page 4: ...4 Figure 1 Dimensional Drawing...
Page 56: ...56 Manifold and 1 Main Burners XI Repair Parts continued...
Page 62: ...62 XI Repair Parts continued...
Page 64: ...64 XI Repair Parts continued...
Page 72: ...72 U S Boiler Company Inc P O Box 3020 Lancaster PA 17604 1 888 432 8887 www usboiler net...
