Donaldson Torit AIRPLUS Trunk 2000 T-2000, Инструкция по установке и эксплуатации

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Trunk 2000, T-2000
26
Problem Probable Cause Remedy
No display on the Delta P
Controller
No power to the controller Use a voltmeter to check for supply voltage.
Fuse blown Check the fuse in the control panel. See wiring
diagram inside the control panel. Replace if
necessary.
Display on Delta P
Controller does not read
zero when at rest
Out of calibration Recalibrate as described in Delta P Maintenance
Manual.
With collector discharging
outside, differential pressure is
present from indoor to outdoor
Recalibrate with the pressure tubing attached as
described in the Delta P Maintenance Manual.
Delta P Controller ON,
but cleaning system does
not start
Pressure tubing disconnected,
ruptured, or plugged
Check tubing for kinks, breaks, contamination, or
loose connections.
Not wired to the timing board
correctly
Connect the pressure switch on the timer board to
Terminals 7 and 8 on TB3.
Faulty relay Using a multimeter, test relay for proper closure.
Replace if necessary.
Delta P arrow keys to not
work
Improper operation Press and hold one of the three setpoint keys to use
arrow keys.
Programming keys disabled Remove the Program Disable jumper from Terminals
3 and 4 on TB2.