Midea MCCDH30A-TA3SL, Техническое и сервисное руководство

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Air-cooled modular chiller unit
1 .3 KJR-120A/MBE (Standard accessory)
1
12
13
11
10
16
2
3
4
14
7
5
9
R
6 8
15
ON/OFF
TEMP. SET
OK
PAGEUP/TEMP+
PAGEDOWN/TEMP-
ADDRESS -
HYSTERESIS
ADDRESS SET
TIME ON
TIME OFF
MODE
ALARM CLEAR
QUERY
CLOCK
LOCK
HYSTERESIS LOC K ADDRES S SE T
1. Operating instructions of buttons
①
ı ON/OFF button:
In the power off status, press this key and the startup indicator led comes on, and the wired 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 led 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:
a. Mode of KJR-120A/MBE air cooled modular wired controller:
→ (Cooling)
→
(Heating)→ (Pump)
b. Cooling only air cooled modular wired controller:
→
(Cooling)
→
(Pump)
③
ALARM CLEAR button
Press the button, then can clear some errors which need to operate manually for recovery. These errors
represent there are problems while the unit is operating, but will not affect the system safety. If this type of
error came out frequently then it needs to check and maintain the unit.
④
QUERY button
Press the button, to inquire state information of No. 0 to No. 15 outdoor units (the default is state information
of No.0 unit) and enter inquiry state. After entering inquiry state, inquire the information of the former unit or
the following unit through
“
A
”
and
“
ADDRESS/-
”
. After a certain outdoor unit is selected, state
information of the outdoor unit can be inquired through
“
page up
”
and
“
page down
”
. The inquiry sequence
is
“
Error
→
protection
→
outlet water temperature Tou
→
inlet water temperature Tin
→
outdoor ambient
temperatures T4
→
outdoor pipe temperature T3A
→
outdoor pipe temperature T3b
→
current of the
compressor IA
→
current of the compressor Ib
→
anti-freezing temperature T6
→
electronic expansion
valve opening FA
→
electronic expansion valve opening Fb
→
Error......The wired controller only displays the
last fault information and the protection information, when query is conducted on fault and protection
information.
○
5 CLOCK button
Press the
“
CLOCK
”
button once
【
Press for the first time
】
, and enter to the hour adjustment, and press
again
【
Press for the second time
】
, and enter to the minute adjustment. The numerical valve of hour and