Burnham 805B, Installation, Operating And Servicing Instructions, Page: 9 / 100

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Figure 4: Installation of Special Base for Combustible Flooring
5. Roll boiler until 3" roller is located as shown. Use
pry bar to install wood blocks under front corners of
base. Remove 3" roller.
6. Lift boiler with pry bar. Remove wood blocks.
Lower boiler.
C.
For Packaged Boiler only, proceed to Paragraph E.
D.
Test Section Assembly for leaks before connecting to
system and installing controls, trim and jacket. Refer
to Figure 3 and Table 3.
1. Plug Tappings C & E (¾ NPT) and Return Tapping
B (2 NPT).
2. Insert ¾" NPT x ¼" NPT bushing in Tapping D.
Install pressure gauge capable of indicating 50 psi.
3. Insert 2" NPT x ¾" NPT bushing in Supply
Tapping A. Install purge valve with a hose that
runs to a drain.
4. Connect fill valve and piping to Drain Tapping G.
G N I N R A W
. r e l i o b t s e t k a e l o t r i a e s u t o n o D
5. Fill boiler completely with water by venting air
through purge valve. Close purge valve and apply
water pressure of at least 10 psi but less than 50 psi
gauge pressure.
6. Examine boiler for leaks or damage due to
shipment or handling.
7. Remove plugs from Return Tapping B, Tapping C,
and Tapping E (if second limit or operating control
is used). Also remove fill valve and piping, purge
valve and piping, and pressure gauge.
E.
Install special base if installation is on combustible
flooring. See Figure 4. Floor shield adds 4¾" to boiler
height.
1. Place special base on combustible floor with surface
marked "FRONT" in upward position.
2. Locate special base with spacing to combustible
materials as shown in Figure 4.
3. Place boiler on special base. Boiler must rest inside
locating brackets. Boiler jacket panels will
overhang special base.
4. Do not enclose boiler (including special base) on all
four sides. Models 805B - 807B may be enclosed