4. Operation
1
Pilot Lamp
The pilot lamp displays the current operating status of the equipment:
If the TC and sensor fault occur simultaneously, the sensor fault is
displayed.
Functions in Auto-day-heating mode
1. If the poles are reversed or the sensor cable short circuits, turn off the
stages.
2. If the sensor cable breaks or there is frost, stage 2 is turned on.
9
2-Stage, Three-Phase Controller
1.96
With Timing Switch and Room Temperature Controller, Type 30277
Operating instructions
1
Pilot lamp
2
Speed selector switch
3
Operating mode selector switch
4
Temperature adjustment, day
5
Adjustment of lowering value, night
6
Digital timing switch
1
3
4
5
6
2
Off
No supply voltage
Continuously ON
Power supply provided, ready for operation
Blinking signal,
0,8 sec. LED On
0,8 sec. LED Off
Control active, heating mode
Blinking signal,
2 sec. LED On
2 sec. LED Off
Control active, cooling mode
Blinking signal,
0,2 sec. LED On
0,2 sec. LED Off
Motor thermal contact triggered
(TC fault or condensate overflow)
Blinking signal,
0,05 sec. LED On
0,5 sec. LED Off
Sensor fault
2-Stage, Three-Phase Controller
1.96
With Timing Switch and Room Temperature Controller, Type 30277
Operating instructions
Summary of Contents for 30277
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