Function of UA 300 D
10
Version 2.03 27. Juni 2008
3.2.2.8 On−off control by all supply air sensors
Controller type: UA 111 X, UA 111 XP
Control takes place through all connected first−zone supply air temperature sensors.
Single−zone operation:
In single−zone operation, Cooling Relay 1 and the compressor outputs are actuated.
Valve 1
Return
air
R4.1
R2.1
Supply
air
Verdampfer 1
Evaporator 1
ZNR.
51203
72
230
E1
R2.2
R2.8
(optionally)
Compressor 1
Compressor 2
Compressor 3
only UA 111 XP /
optionally
Refrigeration point
controller
UA 300 D
R2.1 .. R2.8:
Supply air sensor
(Terminal Z11/12; Terminal Z31/32 .. Terminal Z91/92)
R4.1:
Return air sensor
(Terminal Z21/22)
Valve 1:
Solenoid Valve 1 relay
(Terminal 25/26/28)
Compressor 1 relay
(Terminal 43/44)
Compressor 2 relay
(Terminal 53/54)
Compressor 3 relay
(Terminal 63/64 − UA 111 XP ONLY)
When connecting the supply air sensors, make sure there are no free locations between the connec-
ted sensors. For example, when connecting four supply air sensors, the consecutive inputs R2.1 to
R2.4 must be used.
Summary of Contents for UA 300 D
Page 2: ......
Page 6: ...Table of contents iv Version 2 03 27 Juni 2008 Notice ...
Page 8: ...System Design of UA 300 D 2 Version 2 03 27 Juni 2008 Notice ...
Page 40: ...Installation and Startup of UA 300 D 34 Version 2 03 27 Juni 2008 Notice ...
Page 54: ...Operation of UA 300 D 48 Version 2 03 27 Juni 2008 Notice ...
Page 100: ...Menu structure UA 300 D Controller type UR 141 94 Version 2 03 27 Juni 2008 Notice ...
Page 108: ...Specifications of UA 300 D 102 Version 2 03 27 Juni 2008 Notice ...