CLOSED AIR WITH STOPPED BURNER - PRE-VENTILATION WITH OPEN AIR (1st FLAME POSITION)
(WITH LOA... or OR 3B CONTROL BOX)
A
- 2nd flame air regulation CAM
B
- CAM: air gate shut when burner is not operating
C
- 1st flame air regulation CAM
D
- 2nd flame valve operation CAM
(must be set to intermediate position between 1st flame and 2nd flame cams)
- Motor - cam sheft coupling exclusion pin.
Push it to disconnect motor from cam
shaft.
To change cam position, operate the rispective red rings.
By pushing hard enough in the desired direction, all the red
rings can rotate around the reference scale. The pointer of
the red ring indicates in 1st reference scale the rotation angle
set for each cam.
SQN 30.121 A2700/3500
871
1-1
ENGLISH
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Содержание BT 100 DSN 4T
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