Eclipse Winnox WX Series Installation Manual page 20

tep 4: et low fire gas
CW for
more gas
Figure 4.7 Ratio regulator
adjustment
Outer Dial
Set Screw
igure 4.8 Manual BV adjustment
0
et low fire gas procedure:
1. erify bias adjusting screw
Bias
Adjusting
2. Set manual gas B to 75% open.
Screw
3.
4.
5.
6.
7.
Full Open
8. erify low fire flame .
9. Close all pressure taps.
clipse Winnox WX Series v1, Installation Guide No. 111, 8/26/05
Warning:
This procedure is written with the assumption
the burner has a flame monitoring control
system installed and operating. A proper purge
cycle must be part of the system and purge
timing should not be bypassed.
column is three full clockwise turns (360° x 6) up from
the bottom.
ote:
To adjust manual BV:
Loosen set screw.
.
Turn dial.
b.
Tighten set screw.
c.
pen all manual gas shut off valves.
Set system control to stay at low fire during and after
ignition sequence.
With taps open, connect manometer between tap “B”
and combustion chamber.
Ignite the burner.
Turn bias adjusting screw
∆
(0.3 mbar) P between tap “B” and combustion chamber.
Repeat ignition sequence until burner lights.
ote:
If viewing the flame, it should be blue with flashes of yellow.
The flame should be completely within the combustion tube.
When firing propane or butane, a proper low fire flame may
have sustained flashes of yellow.
a. Drive control motor from low fire and back. erify
low fire and stable flame signal are repeated.
b. Turn the burner off and repeat the ignition sequence.
erify low fire and stable flame signal are repeated.
on ratio regulator spring
slightly to achieve 0.1” w.c.