UA 400 E / UA 401 E / UA 410 E Operating instruction S. 251

- o e m e n u o e m e n u o e m e n u
- t components
- Abbreviations used
System Design of UA 4xx E

Application
Hardware

Application of UA 4xx E

Versions
Controller types
Updating firmware

Function UA 4xx E

Starting characteristics

First start- reset controller to factory settings
Restart - restart of the controller

Temperature zones
CAN bus mode
Standalone operation

Standalone operation using evaporator inlet sensors
Standalone operation using activated local pressure transmitter

Selection of the sensor type

Necessary and optional sensors

Description of controller functions
Cooling

Temperature control
Control of the expansion valves

Control of continuous motor expansion valves
Enable relays for motor expansion valves

Continuous temperature control by supply and return air temperature
Continuous temperature control by coldroom sensor
Continuous temperature monitoring using refrigerant temperature sensor
On-off control
Superheat control
Connection of pressure transmitters / humidity sensors
Sending and receiving the analogue values via CAN bus
Humidity control
Regulation according to tc / high pressure
Dynamic determination of the tc setpoint
Fixed opening degree in the pump down / injection phase

Fixed valve opening degree for servicing purposes

Limiting the Opening Degree
MOP function
Run time limitation / continuous run monitoring of the regulation
Forced cooling (except UK 100 E, KR 160 E)
Heating circuit control
Emergency Op.
Operation with up to four return air sensors - only UA 131 E LS

Defrosting

Types of defrosting – an overview
Defrosting in general
Discharge gas defrosting (hot gas defrosting)
Master/slave mode – defrost synchronisation via CAN bus
Master/slave mode – defrost synchronisation via wiring

Master-slave mode for the synchronisation of the zones of a single contr.
Master-slave mode for the synchronisation of several controllers
Necessary settings for the master / slave mode
Special features and constraints

Consecutive defrost (CD) via CAN bus

Alarm relay
Fan control with case and coldroom controllers

Fan control on multidecks - controller type UA 121 E
Fan control - controller type UA 131 E
Fan control - controller type UA 131 E LS with enhanced fan control
Fan control - controller type UA 141 E
Fan control with coldroom controllers
Coldroom with defrost heater (controller type UR 141 TE)
Coldroom without defrost heater - controller type UR 141 NE
Heating circuit - contr. type UR 141 TE, UR 141 NE in single-zone operation

Digital inputs

Defrosting via external switch / timer
Setpoint toggle via external switch / timer
Manual shutdown
Registration of external alarms (e.g. CO2 alarm)
Automatic on/off
Door contact for room controllers

Setpoint toggle (day/night operation)
Function of the analogue outputs 0..10 V.
Light control
Frame and pane heater
Compressor control via consumers
Refrigeration point disabling
E*COP+
Suction pressure shift
Emergency power operation
Temperature Displays

Temperature Display VDD 500
BT 30 temperature display

Operating data archiving

Temperature recording
Temperature recording to EU Regulation 37/2005
Recording of t0, tc and relative humidity
Recording of messages and alarms
Actual value archiving with higher accuracy (15 sec)

Installation and Startup of UA 4xx E

Installation

DIN rail mounting of the controller for electronic valves

Mounting on the DIN rail
Disassembling from the DIN rail

Handling of the spring terminals

Basic settings

Setting the CAN bus address
Setting the controller type and other functions

Terminal assignment for 230 V AC power supply

Status LEDs

Basic configuration of the controller

Naming of the controller

Battery replacement
Firmware update

Requirements for firmware update
Installing firmware update

Update for controller with 8-pole DIP switch
Update for controller with 9-pole DIP switch

Rectification of driver problems

Pin and Terminal Assignments of UA 4xx E

Terminal diagram
Terminal assignment of the 230 V AC power supply
Terminal assignment of the 230 V AC relay outputs
Mode of operation of the relay and transistor outputs
Terminal assignment of the 230 V AC digital inputs
Terminal assignment of the 0..10 V analogue outputs
Terminal assignment of the CAN bus terminals
Terminal assignment of the 24 V DC transistor outputs
Terminal assignment of the DISPLAY interface

Connection VDD 500
Connection BT 300 and/or BT 30

Terminal assignment of the 4..20 mA analogue inputs
Terminal assignment of the analogue inputs for temperature sensors

Explanations for sensor positioning
Sensor identification

Assignment of the USB port
Wiring of the master-slave function for defrost synchronisation

Operation UA 4xx E

Operation possibilities
Local operation with a BT 300 x operator interface

Lock-down of the setpoint change

Remote control via a terminal

Menus and operating screens
Calling the controller menu via remote control

System Centre
Store computer CI 3x00 / operator terminal AL 300

Deactivating the input lock-down

System centre CI 4x00..
Store computer CI 3x00 / operator terminal AL 300

Activating service mode

System centre Service-Mode
Store computer CI 3x00 - Service-Mode

Menu Structure UA 4xx E

Controller type UA 121 E - menu tree

Main menu UA 121 E
Menu 1 Actual Values UA 121 E
Menu 2 Setpoints UA 121 E
Menu 3 Clock UA 121 E
Menu 4 Messages UA 121 E
Menu 5 Archive UA 121 E
Menu 6 Configuration UA 121 E

Contr. Type UA 131 E / UA 131 E LS - Menu tree

Main Menu UA 131 E LS
Menu 1 Actual Values UA 131 E LS
Menu 2 Setpoints UA 131 E LS
Menu 3 Clock UA 131 E LS
Menu 4 Messages UA 131 E LS
Menu 5 Archive UA 131 E LS
Menu 6 Configuration UA 131 E LS

Contr. Type UA 141 E - Menu tree

Main Menu UA 141 E
Menu 1 Actual Values UA 141 E
Menu 2 Setpoints UA 141 E
Menu 3 Clock UA 141 E
Menu 4 Messages UA 141 E
Menu 5 Archive UA 141 E
Menu 6 Configuration UA 141 E

Contr. Type UR 141 NE - Menu tree

Main Menu UR 141 NE
Menu 1 Actual Values UR 141 NE
Menu 2 Setpoints UR 141 NE
Menu 3 Clock UR 141 NE
Menu 4 Messages UR 141 NE
Menu 5 Archive UR 141 NE
Menu 6 Configuration UR 141 NE

Contr. Type UR 141 TE - Menu tree

Main Menu UR 141 TE
Menu 1 Actual Values UR 141 TE
Menu 2 Setpoints UR 141 TE
Menu 3 Clock UR 141 TE
Menu 4 Messages UR 141 TE
Menu 5 Archive UR 141 TE
Menu 6 Configuration UR 141 TE

Contr. Type UK 100 E - Menu tree

Main Menu UK 100 E
Menu 1 Actual Values UK 100 E
Menu 2 Setpoints UK 100 E
Menu 3 Clock UK 100 E
Menu 4 Messages UK 100 E
Menu 5 Archive UK 100 E
Menu 6 Configuration UK 100 E

Controller type KR 160 E - menu tree

Main Menu KR 160 E
Menu 1 Actual Values KR 160 E
Menu 2 Setpoints KR 160 E
Menu 3 Clock KR 160 E
Menu 4 Messages KR 160 E
Menu 5 Archive KR 160 E
Menu 6 Configuration KR 160 E

Decommissioning and disposal

Decommissioning / Demounting
Disposal

Alarms and messages UA 4xx E

Alarm signaling and monitoring

Coldroom door open alarm
High or low temperature alarm
Low temperature monitoring t0
Alarm in the event of the absence of a defrost
Alarm in the event of the minimum permitted superheat being undershot
Sensor break alarm
Suppression of sensor break alarm during defrosting
No required sensor alarm
Stall detect alarm
Implausible opening position alarm
Hardware alarm

Individual allocation of priorities
Alarm routes
Termination of alarm
Messages

Transient alarms and messages
Message log

Technical Data of UA 4xx E

Electrical data
Mechanical Data
Mechanical data of the temperature sensor L243 / 5K3A1

Order numbers and accessories of UA 4xx E

Case Controller
Components

UA 400 E / UA 401 E / UA 410 E Operating instruction (P. 251/429)

UA 400 E / UA 401 E / UA 410 E Operating instruction (P. 251/429)

UA 400 E / UA 401 E / UA 410 E Operating instruction (P. 251/429)

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