D1000 Installation and Service Manual 24
Home LAB-110073 Rev. 3
MAINTENANCE POSTION & MAINTENANCE MODE
LOWERING THE HOOD INTO MAINTENANCE
POSITION
Shut the unit off with the power switch on the front of the
hood.
Remove the grease tray and filter from the hood
Determine if a Pull Station is Connected
If Pull Station is present, check for adequate slack
Determine if the unit is connected to a Duct Run
If ducted vertically, remove thumb screws at duct by
reaching into the unit
Reach into the unit and remove thumb nuts, holding the
unit in place
As thumbs nuts are removed, support front with one hand
and slowly lower front of hood until safety cable line
engages
For Maintenance or recertification, the
service switch should be placed into the
Maintenance Mode position
(Maintenance Mode)
o The red maintenance switch is
illuminated
For normal operation, the maintenance
switch should be in the “OFF” (O)
position (Operating Mode)
o The red maintenance switch is not
illuminated
o If connected to the alarm panel
the appropriate officials should
be contacted prior to testing as the alarm will sound
Before any maintenance is done the
safety key should be placed in the unit to raise the paddle above the actuator arm
The key will be parallel to the wall when in the proper position
The safety pin should also be placed inside of the tank to prevent an accidental actuation
MAINTENANCE SWITCH &
SYSTEM LOCKOUT
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