Function of UA 300 D
12
Version 2.03 27. Juni 2008
3.2.2.9 On−off control by room air sensor
Controller type: UR 141
Plain on−off control: Cooling is controlled by the coldroom air temperature sensor. The cooling relay is de−energi-
zed when temperature reaches the setpoint (switch−off value) on the room air sensor and is restarted with adju-
stable hysteresis.
Single−zone operation (LT rooms):
Valve 1
Room
air
R4.1
Supply
air
Verdampfer 1
Evaporator 1
UA 300 D
ZNR.
51203
7
2
430
E0
Refrigeration point
controller
R4.1:
Room air sensor
(Terminal Z21/22)
Ventil 1:
Solenoid Valve 1 relay
(Terminal 25/26/28)
Two−zone operation (Zone 1: LT rooms / Zone 2: NT rooms):
Valve 1
Room
air
R4.1
Room
air
Valve 2
R4.3
Supply
air
Supply
air
Verdampfer 1
Evaporator 1
Verdampfer 2
Evaporator 2
UA 300 D
ZNR.
51203
72
330
E1
Refrigeration point
controller
R4.1:
Room air sensor
(Terminal Z21/22)
R4.3:
Room air sensor
(Terminal Z71/72)
Valve 1:
Solenoid Valve 1 relay
(Terminal 25/26/28)
Valve 2:
Solenoid Valve 2 relay
(Terminal 35/36/38)
Содержание UA 300 D
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Страница 6: ...Table of contents iv Version 2 03 27 Juni 2008 Notice ...
Страница 8: ...System Design of UA 300 D 2 Version 2 03 27 Juni 2008 Notice ...
Страница 40: ...Installation and Startup of UA 300 D 34 Version 2 03 27 Juni 2008 Notice ...
Страница 54: ...Operation of UA 300 D 48 Version 2 03 27 Juni 2008 Notice ...
Страница 100: ...Menu structure UA 300 D Controller type UR 141 94 Version 2 03 27 Juni 2008 Notice ...
Страница 108: ...Specifications of UA 300 D 102 Version 2 03 27 Juni 2008 Notice ...