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9. Troubleshooting
9.1 Indoor unit’s LED indication of trouble
NO.
Protection or Malfunction
Operation
lamp
Timer lamp
Defrosting
lamp
Auto
recover
1
Indoor temp. sensor abnormal
×
× Yes
2
Indoor heat exchanger sensor abnormal
× × Yes
3
Outdoor heat exchanger sensor abnormal
× ×
Yes
4
Outdoor
abnormal
Yes
5
EEPROM abnormal
× No
×——Extinguish ; ——Flash at 5Hz
9.2 LEDs’ for the indication of outdoor trouble
YOJC-36, YOJC -48, YOJC -60
Type Contents
LED1
LED2
LED3
Protection Phase
sequence Flash
Off
Off
Protection Overload
of
current Off
Off
Flash
Protection Lack of phase
Flash
Off
Off
Protection Protection of pressure Flash
Flash
Off
Protection Open-circuit
and
short-circuit trouble of T3
Off
Flash
Flash
Protection Open-circuit
and short-circuit trouble of T4
Off
Flash
Off
Protection High temperature protection of condenser
Flash Flash
Flash
Содержание YOHC 12
Страница 7: ...Part 2 Indoor units Ceiling Floor Type ...
Страница 17: ...4 Service space 600mm 600mm ...
Страница 20: ...6 1 3 YOKC 24 6 1 4 YOKC 30 ...
Страница 21: ...6 1 5 YOKC 36 6 1 6 YOKC 48 YOKC 60 ...
Страница 29: ...8 Air Velocity and Temperature Distributions Discharge angle 60 CEILING Airflow velocity Temperature ...
Страница 30: ...Discharge angle 60 FLOOR Airflow velocity Temperature ...
Страница 37: ...Part 3 Outdoor Units Outdoor Units ...
Страница 39: ...1 Dimensions 1 1 YOJC 12 290 315 285 530 62 590 750 110 1 2 YOJC 18 12 5 ...
Страница 40: ...1 3 YOJC 24 330 62 895 860 590 141 1 4 YOJC 30 YOJC 36 ...
Страница 41: ...1 5 YOJC 48 YOJC 60 ...
Страница 43: ...3 Wiring diagrams 3 1 Cooling Heating 3 1 1 YOJC 12 3 1 2 YOJC 18 ...
Страница 46: ...4 Field Wiring ...
Страница 49: ...7 Sound levels 1m Microphone 12000btu h 18000btu h ...
Страница 50: ...24000btu h 3000btu h 36000btu h 48000btu h 60000btu h ...
Страница 66: ...Part 4 Installation Installation ...
Страница 75: ...www johnsoncontrols com SM YOHC 12 60GB 03 07 ...