62
About the Fault of T3A or T3B, High pressure protection,
low pressure protection
Please refer
to the following:
Fault of T3A or T3B
Judge 1: Whether the sensor is break
off.
Connects it well.
Yes
Judge 2: Whether the sensor is
malfunction.
Validate: Short-connect the outdoor
ambient temperature sensor, check
whether it can run normally
Replace it.
Yes
No
No
Judge 3: PCB is malfunction
Replace PCB
Malfunctions:
Содержание MDFA-76CRN2
Страница 7: ...MCAC UTSM 12 8 3 Dimensions 3 1 MDTA 76C H RN2 MDTA 96C H RN2...
Страница 8: ...MCAC UTSM 12 9 3 2 MDTA 120C H RN2...
Страница 11: ...MCAC UTSM 12 12 6 Wiring Diagrams 6 1 MDTA 76CRN2 MDTA 96CRN2...
Страница 12: ...MCAC UTSM 12 13 6 2 MDTA 76HRN2 MDTA 96HN2 6 3 MDTA 120CRN2...
Страница 13: ...MCAC UTSM 12 14 6 4 MDTA 120HRN2...
Страница 34: ...MCAC UTSM 12 35 4 Service Space Front view 1 0 c m 1 0 cm Rear 30 cm No obstacle in front of it...
Страница 36: ...MCAC UTSM 12 37 6 Wiring Diagrams 6 1 MDFA 76CRN2 MDFA 96CRN2 CN20 CN20 CN20...
Страница 37: ...MCAC UTSM 12 38 6 2 MDFA 76HRN2 MDFA 96HRN2 CN20 CN20 CN20...
Страница 51: ...MCAC UTSM 12 53 2 Dimension 2 1 MDOV 76C H CN2 MDOV 96C H CN2...
Страница 52: ...MCAC UTSM 12 54 2 2 MDOV 120C H CN2...
Страница 54: ...MCAC UTSM 12 56 Foundation of the outdoor unit 762 676 500 mm 500 mm M12 foundation bolt 4 screws for 1 unit...
Страница 55: ...MCAC UTSM 12 57 4 Wiring Diagrams 4 1 MDOV 76C CN2 MDOV 96C CN2 MDOV 120C CN2...
Страница 56: ...MCAC UTSM 12 58 4 2 MDOV 76H CN2 MDOV 96H CN2 MDOV 120H CN2...
Страница 75: ...UTSM 12 78 76 96 120 kBtu h 150 kBtu h Fig 23 3 Connection between indoor unit and outdoor unit Fig 23...
Страница 87: ...UTSM 12 90 Floor standing type cooling and heating type 76 kBtu h 96 kBtu h...