.
1.96
2-Stage, Three-Phase Controller
With Timing Switch and Room Temperature Controller, Type 30277
Operating instructions
8
Digital inputs and outputs
*The voltage-free relay contact "malfunction" is activated in the following
situations:
- Motor thermal contact triggered
- Condensate alarm (only for units with integral condensate pump)
- Broken sensor cable
- Sensor cable short circuit
- Reverse polarity of sensor cable
- Measured temperature < 5°C
Digital inputs
Change-over between
heating/cooling
Heating
Input DE2-GND open
Cooling
Input DE2-GND closed
Digital outputs
Notification of day/night
Night
Output DE/A-GND closed
Day
Output DE/A-GND open
Notification of ventilator
operation
Operation
Output closed
No operation
Output open
Malfunction warning*
Malfunction
Output closed
No malfunction
Output open
.
1.96
2-Stage, Three-Phase Controller
With Timing Switch and Room Temperature Controller, Type 30277
Operating instructions
Summary of Contents for 30277
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