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Aqua tempo power series tropical air-cooled scroll chiller 50Hz MCAC-ATSM-2014-09
96
Adjustment range of constant speed capability: ON and OFF. Adjustment range of constant speed capability: ON and OFF.
6
Total outlet water temp. sensor (fault code E3)
Only the main unit is valid, and the subordinate units are invalid.
Under refrigerating mode and heating mode, conduct adjustment according to the magnitude of total outlet watertemp..
Adjustment range: Load, stabilize, unload, Emergency Stop.
7
Spot check. The operating status of outdoor system can be observed through spot check, and specific display contents are
as shown in the following figure:
Normal display
Operating mode Operating capability of the compressor B Number of online units Outdoor ambient temp. Temp. of the condenser A
T61 frost-proof temp Unit outlet water temp Unit outlet-water tempe
Temp. of the condenser B
TXV opening A TXV opening B Operating current of systemA Operating current of system B
The last failure
● Display contents of “operating mode”: 1. cooling; 2. heating; 4. pump; 8. Stand-by
● Display contents of “number of online units”: the main unit can display the number of online units, and the slave unit
displays 0.
8
Factory setting
9
10
COM (O) 485 communication port (fault code E2)
11
COM (I) 485 communication port (fault code E2)
COM (O) is interconnected with P, Q and E of COM (I), used for RS-485 communication.
1) If faults occur between the wired controller and the main unit module, all modules will be shut down.
2) If faults occur between the main unit and subordinate units, the subordinate unit module suffering communication fault will
be shut down. Less units will be detected by the wired controller, which may display EA, and in the meanwhile, the indicator
lamp of the wired controller will flash, restart 3 minutes later after malfunction be removed.
8
9
A
B
C
D
E
F
8
7
6
5
4
3
2
1
0
0
1
2
3
4
5
6
7
8
F
E
D
C
B
A
9
8
A
DD
R
R
S
S
When the address
is 1,2,3……
F
, it
serves as the
subordinate unit
1,2,3……15.
When the
address is 0, it
serves as the
main unit.
Each unit has the same electric control function, and
the main unit and slave units can be set through
address code on the electric control board. The
address code 0 # is provided as the main unit. The
priority of being the main unit is given to the unit with
digital compressor, and other addresses are slave
units. Only the unit is chosen as the main unit, its
electric control can activate such functions as direct
communication with the wired controller, refrigerating
and heating capability adjustment, pump control,
auxiliary electric heater control, total effluent
temperature detection and water flow switch
detection.
Содержание Aqua Tempto Power Series
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