Optional features, It cooling logicool ™ onrak – Airedale OnRak 3kW 35kW User Manual
Page 9
IT Cooling
LogiCool
™ OnRak
IT Cooling
9
Technical, Installation and Maintenance Manual :6912497 V1.5.0 02_2013
Optional Features
The OnRak unit comes with a series of optional features.
Optional Features
L
OR
6
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4
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U
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OR
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0
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2
U
-C
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33
-0
L
OR
8
0
4
2
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3
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Various display options
Modbus / Carel BMS connection
Lon BMS connection
pCOWeb
BacNet protocol
Programming smart key
Threaded pipe connections
Quick coupling water connections
Flexible hoses of alternative lengths
Isolating solenoid valves
Dual power supply
Uninterrupted Power Supply
Static Transfer Switch
Room mounted temperature / humidity sensor
Rack Pressure Management
Features available
Display Options
1. White backlit 8 x 22 character, semi-graphical LCD Display. Integrated for local
monitoring, adjustment of parameters and commissioning.
or
2. Semi-graphical LCD Display with Audible alarm.
or
3. Remote Handheld Display (unit fitted with RJ11 Connection port)
or
4. No Display (RJ11 Connection port only)
Modbus / Carel BMS
Connection
The Airedale controllers shall be able to communicate directly using the Modbus®
protocol.
The Modbus® card shall be a small PCB (60mm x 30mm), which can be plugged into
the controller to provide it with the following protocol support
Modbus® - JBus slave
RTU mode (Remote Terminal Unit) with 8 bit encoding and error handling using
16 bit CRC
Communication standard connection options of RS485 (multipoint) or RS232
(point-point)
Maximum Baud Rate of 19200
The data communication shall be asynchronous serial, 8 data bits, 2 stop bits and no
parity (in total 11 bits/datum).
The data/parameters from the controller shall be represented within Modbus® registers,
each register containing information pertaining to temperatures, pressures, setpoint,
status, etc and is available to the site integration company in a spreadsheet format