MCAC-2008-11 Air-cooled Modular Chiller
60
15.3 Controllers
15.3.1 Wired Controller:
KJR-08B/BE:
Name of keys on the wired controller and the keypad operation description:
1. ON/OFF button:
In the power off status, press this key and the startup indicator comes on, and the wire controller enters the
startup status and keeps the current set information such as temperature value, timing. In the startup status,
press this button once, and the startup indicator goes off and transmits the shutdown information.
2. Operation mode button:
In the power off status, press this button to select the operation mode. This function is invalid at power on
status.
Modes shifted sequence as follows:
3. MANUAL/AUTO button
Press this button; you could select [MANUAL/AUTO] these 2 modes. When select Manual mode, you could
increase or decrease the online units via [PAGEUP/TEMP+] and [PAGEDOWN/TEMP-].
4. QUERY button
Press this button to query the status information of outdoor units 0~15(Outdoor unit 0 by default). After
entering the query status, use [ADDRESS+] and [ADDRESS-] keys to query information of the previous or
next outdoor unit. After selecting to query a specific outdoor unit, use the [PAGEDOWN/TEMP+] and
[PAGEDOWN/TEMP-] keys to query the status information of this outdoor unit. The query sequence is:
Outlet water temperature T1->Outdoor pipe temperature T3->Outdoor environment temperature T4->Setting
temperature Ts->Current of compressor A and Current of compressor B -> Fault->Protection->Outlet water
temperature T1.since there are many fault protection codes for the outdoor unit, the wire controller only
displays the two fault protection messages with the highest priority when you check the fault protection
information.
5. Heat button
This button has no effect to KJR-08B/BE.
6 & 7 TIME ON/OFF button
Every time when you press [TIME ON] button, the HOUR and MINUTE of timing startup blink at a frequency
of 2Hz. They stop blinking when you adjust the hour and minute; and continue blinking 2 seconds after you
stop adjustment. Press [TIME ON] key to select the timing HOUR for adjusting, and the timing hour blinks at
frequency of 2Hz. Use the [PAGEUP/TEMP+] and [PAGEDOWN/TEMP-] keys to adjust the MINUTE. If you
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