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1.Turn ON the DM-1. Wait 30
seconds. Set first toggle to
"ZERO"
4. When this light is lit, all
connections have been made at
blower and it's ready to go.
Turn on the power to blower #1.
2000 Fire Door-Fan Manual
2. Press "Set to Zero" on DM-1
5. Adjust the speed control to
get the required room pressure.
The blower must run at half
speed or more. If not change to a
lower (more restrictive) range.
Read the room pressure for 30
seconds.
updated 2002-05-28
3. Set all toggles up. They should
be in the "Test, Room & Flow #1"
positions.
6. When the desired room pressure
is achieved, flip the toggle up to
"Flow". Read the flow pressure
(Flow #1) for 30 seconds. Turn the
blower OFF with the rocker switch
and turn the blower around to test
the other direction. Go to Step 3.
Page 27 of 58
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