29
Sequential Controller
It is allowed to configure the controller to suit individual’s need with details below:
Model Selection
1. Number of Compressor
The control can be configured into 4 main type’s base on number of compressors by
changing “R42” values:
Item
Type
R value
1
Single compressor
3k
2
2 compressors
7.5k
3
3 compressors
22k
4
4 compressors
OPEN
Dip switch 1
Dip switch 2
Dip switch 5
a. Cooling (SQCn)
Off
Off
Off
b. He no heater (SQHn0)
On
Off
Off
c. He 1 heater (SQHn1)
Off
On
Off
d. He 2 heater (SQHn2)
On
On
Off
e. Auto he no heater (SQHn0)
On
Off
On
f. Auto he 1 heater (SQHn1)
Off
On
On
g. Auto he 2 heater (SQHn2)
On
On
On
Dip switch 3
Dip switch 4
a. Default
Off
Off
b. 0.5°C
On
Off
c. 1.0°C
Off
On
d. 1.5°C
On
On
2. Models
For each type, there are 3 models for the control to configure into.
n denotes number of compressor(s)
where the postfix number indicates number of compressor(s).
3. Stage Differential Temperature
Differential temperature is the temperature difference between turning on or off 1 compressor to
another compressor in thermostat cycle.
The stage differential temperature can be selected from the range shown below:
Note that 1.5°C only valid for 2 and 3 compressors model. For 4 compressors model, maximum
allowed is 1.0°C.
Содержание M4LC
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