VFHOMT-11/18 -
15
Problem
Possible Cause
Recommended Fix
Sash Return does not release
from upper position
(R1 Option Only)
a) No power to control panel.
Check that the green light on control panel illuminates
when sash release button is pressed. If not, check that
hood and control have power connected.
b) Sash is not raised to full
open position.
Raise sash until sash engages upper sash stop.
c) Solenoid does not activate
when button is pressed.
Check solenoid mechanism is functioning properly.
1) Check that all wiring connections from the control
panel to the solenoid are intact.
2) Access solenoid on right hand side of hood behind
the right end panel. Access may also be gained from
inside of the hood through the removable access
panel.
3) Remove solenoid bracket attachment screws.
4) Check that solenoid is pulling straight and not binding.
5) Test that the solenoid will activate when not attached
to the hood.
6) If solenoid and latch mechanism are binding and are
not in line and pulling straight, contact Kewaunee for
a replacement.
d) Sash Return Option not
included.
Check that the Sash Return Option was ordered.
Sash Return releases but sash
does not return to desired
location.
(
R1 Option Only)
a) Too much friction in sash
track.
Spray white lithium grease onto sash track linear bearing.
(Located inside sash track)
b) Sash return needs
adjustment.
Adjust spring force.
1) Loosen set screws and rotate the reel assembly
while holding shaft stationary.
2) Check that sash/counterweight are balanced.
3) Rotate reel to the rear to increase sash travel.
4) Rotate reel to the front to decrease sash travel.
5) Snug tighten one of the set screws and test.
6) Repeat the procedure until the sash returns to the
desired location.
7) Fully tighten both set screws.
Sash does not remain in hold
open position.
(R1 Option Only)
Too much tension in return
spring.
Follow above Adjust spring force instructions.
Troubleshooting Guide
Содержание Supreme Air Series
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