Midea Aqua Tempo Super MC-SP25-RN1L, Technical & Service Manual

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MCAC-ATSM-201606 Aqua Tempo Super Series air cooled scroll chiller unit (50Hz)
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Press the button can open the weekly timer function or close the weekly timer function.
16.3.2. OPERATION PROCEDURE OF WIRED CONTROLLER
●
Operation procedure of mode setting
1. Press MODE at shutdown status, you could select appropriate mode as you want. The function is invalid
at startup status.
2. The mode which you can select depends on outdoor unit.
●
Operation procedure of water temperature setting
1. Press [TEMP SET] button of wired controller when background light is on.
2. Press [A] or [ADDRESS/- ] button, you can select the water temperature. Temperature range
is not same in different operation mode.
3. Temperature range depends on outdoor unit.
●
Operation procedure of system ON/OFF
Press [ON/OFF] button, running indicator of wired controller is light, unit is start to run, and display running
status at wired controller. Press this button once again, unit will stop running.
●
Operation procedure of system information querying
1. Press [QUERY] ,enter Check status.
2. Press [A] or [ADDRESS/-] button, select the unit you want to query.
3.Press [PAGEUP] or [PAGEDOWN] button to query the unit information, which includes E-, P-, Tou, Tin,
T4,T3A, T3b ,IA, Ib, T6, FA, Fb or T3A, P-, E-,Tout, Ib, IA, Ts, T4, T3B.
●
Operation of remote on/off
If the main unit’s is under the remote on/off control, Net-ON flashes, and communicate with upper unit is
invalid.
●
Operation procedure of HYSTERESIS TEMP.SET(
δ
)
1.Through the hysteresis setting, the system can adjust the load effectively.
2.The adjusting logic of cooling mode :
(T
he parameter of δ1,δ2,Tj1 and Tj2 are decided by the outdoor unit)
(the parameter of
δ
1
,
δ
2
,
Tj1 and Tj2 are
decided by the outdoor unit)
3: The adjusting logic of heating mode:
(the parameter of
δ1
,
δ2
,
Tj1 and Tj2
are decided by the outdoor unit)
(TAL: total outlet water temperature)
● Fault alarm handing
1:When unit fails or the wire controller
detects failure of communication with the
the outdoor units, the indicator blinks.
After all fault of the system and the wire
controller are eliminated, the indicator
stops blinking. The fault indicator and