174
Y
N
Y
N
N
Y
N
N
Y
N
Y
N
Y
Y
(8) Communication malfunction: (following AP1 for outdoor unit control board)
Mainly detect:
Is there any damage for the indoor unit mainboard communication circuit? Is communication circuit damaged?
The flow chart for malfunction detect:
Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect
well or not, if is there any damage?
Start
Did the equipment operate
normally before the failure
occurs?
The AP1 voltage
detection circuit
is at fault
Check wiring inside of
the indoor and outdoor
units
Are wires broken?
Check the communication
circuit of the outdoor unit
If the fault is eliminated?
The communication
circuit is abnormal
Replace the main board of
the indoor unit
End
If the fault is eliminated?
Replace the main board
˄
AP1
˅
of the outdoor unit
If the fault is eliminated?
Is the connection right?
Check the wiring of the indoor and
outdoor units with reference to the
wiring diagram
Correctly connect the
corresponding wires for
the indoor and outdoor
units with reference to
the wiring diagram
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Содержание EVJC 12
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Страница 30: ...102...
Страница 32: ...104 www johnsoncontrols com...
Страница 34: ...106 by johnson controls 2...
Страница 35: ...107 by johnson controls 3 Fig 1 Fig 2 Fig 3 15 cm 15 cm 70 cm 15 cm 15 cm 200 cm 5 6 7 30 cm 50 cm 2 3 4 1 5...
Страница 46: ...118...
Страница 48: ...120 www johnsoncontrols com...
Страница 49: ...121 High Wall EVHC 09 to 12 DSAAAR SERVICE MANUAL SM EVHC D 09 12GB 05 10 EVHC 09 EVHC 12...
Страница 65: ...137 LULQJ LDJUDP Schematic Diagram Indoor Unit Schematic Diagram...
Страница 66: ...138 Schematic Diagram Outdoor Unit...
Страница 69: ...141 TOP VIEW Schematic Diagram BOTTOM VIEW 1 3 4 5 6 2 7 8 9 10 11 12 Outdoor Unit...
Страница 113: ...185 Exploded View Exploded View Indoor Unit...
Страница 114: ...186 Exploded View Outdoor Unit...
Страница 118: ...190 High Wall EVHC 18 to 24 DSAAAR SERVICE MANUAL SM EVHC D 18 24GB 05 10 EVHC 18 EVHC 24...
Страница 132: ...204 LPHQVLRQV Dimensions QGRRU 8QLW Tube exit Air inlet Right Left Ceiling W D H 02 18K 24K...
Страница 133: ...205 890 340 955 560 380 424 700 60cm 60cm 60cm 60cm LPHQVLRQV Outdoor Unit Bolt Nut Spanner...
Страница 140: ...212 TOP VIEW Schematic Diagram BOTTOM VIEW 1 2 3 4 5 6 7 8 9 7 8 9 10 11 12 13 1 2 3 4 5 6 10...
Страница 142: ...214 Schematic Diagram Key testing spot bottom...
Страница 197: ...269 Exploded View Exploded View Indoor Unit 78 Model EVKC 18 DS...
Страница 198: ...270 Exploded View Model EVKC 24 DS 79...
Страница 199: ...271 Exploded View Outdoor Unit 80...