Справочник Пользователя для Burnham 20_PV_I

at rear of burner. See Figure 11. Slide burner
over orifice.

7. Reconnect pilot gas supply, igniter/sensor

cable, and ground wire. Reinstall Burner
Access Panel. Reconnect Flame Rollout
Switch wires.

Check operation. Follow Paragraphs D through
O from Section VII: System Start-up.

Removal or replacement of pilot assembly or
pilot assembly parts. If pilot assembly, sensor or
pilot orifice need replacing, remove main burner
with pilot using procedure described in
Paragraph F.1.

1. To replace orifice.

a. Disconnect pilot tubing. Pilot orifices

screw into Pilot Burner. Replace with
Honeywell 388146NE (Natural Gas) or
Honeywell 388146KP (LP/Propane).

b. Reconnect pilot tubing and check for

leaks.

2. To adjust or check spark gap between

electrode and hood on Honeywell Q348A
intermittent pilot. See Figure 18.

a. Use round wire gauge to check spark

gap.

b. Spark gap should be 1/8 inch for optimum

performance.

3. To replace complete pilot assembly.

a. Remove two machine screws holding

pilot burner to pilot bracket.

b. Disconnect pilot tubing.

c. Disconnect all other leads to pilot.

d. Select pilot assembly with identical model

number, reconnect leads and pilot tubing.
Resecure to pilot bracket.

4. Reinstall main burner following procedure

described in Paragraph F.

B o i l e r

M o d e l

M a i n   B u r n e r   w i t h

6 0 °   P i l o t   B r a c k e t   *

P i l o t   B u r n e r   L o c a t e d

B e t w e e n   M a i n

B u r n e r s   *

2 0 3 P V

1

1   &   2

2 0 4 P V

2

2   &   3

2 0 5 P V

3

3   &   4

2 0 6 P V

4

4   &   5

*   M a i n   b u r n e r s   n u m b e r e d   l e f t   t o   r i g h t   a s   v i e w e d   f r o m

f r o n t   o f   b o i l e r .