Powtier Controls Limited
Air Curtain Controller
Instruction Manual
Operation parameters
Parameters in the ACC are accessed by pressing the scroll button. All the adjustable
parameters can be set within their limits using the UP and DOWN button.
The following is the list of parameters:
Symbol Description
Low Limit
High Limit
Default
Unit
a
Alarm
1
31
t
Air temperature
0
99
°C
U
Unit address
0
15
S
Setpoint
16
35
22
°C
H
Heat Off/On
0=Off
1=On
1
F
Fan Off,low,med,high
0=Off
3=high
3
P
Proportional band
1
5
3
°C
o
Power output
0
99
%
h
Heatsink temperature
0
99
r
Zero reference
0
FF
Eng.unit
n
Span reference
0
FF
Eng.unit
1
Air alarm setting
50
90
60
°C
2
Heatsink alarm setting
50
90
65
°C
3
Minimum Power setting
0
99
0
%
The default display on the remote unit is the air sensor temperature [Air temperature - t]. This
will change to alarm display if there is active alarm.
The unit address, ranged 0 to 15, enables the remote panel to communicate with up to 16 base
units on the same RS485 communication connection.
In user mode (default), only Measured temperature, Setpoint, Heat and Fan settings are
accessible.
The other parameters are only available in Engineering mode. This mode is entered by
pressing any one of the 3 push buttons on the remote unit when switching on the power to the
remote unit.
There are display only parameters such as Power output, Zero reference and Span reference
which for test and diagnostics only.
Configuration parameters such as Proband, Air alarm setting, Heatsink alarm setting and
Minimum Power setting are also included.
ACCIM
Page 12
5 March 2007
Issue 1.4
