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6. When Heating does not operate
Operate “Heating Mode( )” by setting the desired temperature of the
remote control is higher than one of the indoor temperature by 2°C at
least.
In heating Mode, the indoor fan operates in case the pipe temperature
is higher than 28°C.
Check Outdoor Unit
Check the connector of intake and pipe sensor(thermistors)
• Check the related circuit of R02H(12.1K), R01H(1.0K), R04H(6.2K),
R03H(1.0K).
• Check the indoor room temperature is disconnected or not (about
10K
Ω
/at 25°C).
• Check the indoor pipe temperature is disconnected or not (about
5K
Ω
/at 25°C).
Turn ON Main Power
Check the DC voltage on the PWB ASS’Y
• The details of check are as followings
Check point
Between two pin
of DC part in relay
for COMP.
Comp ON
Below DC 1V
Comp OFF
About DC
12V
Check point
Between two pin
of DC part in relay
for 4-way.
4-Way ON
Below DC 1V
4-Way OFF
About DC 12V
• Comp Relay.
• 4-Way Relay
Содержание LM-2422A2L/A3L
Страница 12: ... 12 900 1 225 370 2 3 LM 4822C3L LM 4822A3L ...
Страница 59: ... 59 2 Outdoor 2 1 MAIN P C B ASM LM 2422C2L LM 2422A2L LM 3625C3L A3L LM 3626A3L LM 4822C3L LM 4822A3L ...
Страница 60: ... 60 3 Display Assembly ...
Страница 61: ... 61 Schematic Diagram 1 Indoor 1 1 LM 2422C2L LM 2422A2L LM 3625C3L A3L LM 3626A3L LM 4822C3L LM 4822A3L ...
Страница 62: ... 62 1 2 LM 3620C2L LM 3622A2L LM 3620A2L ...
Страница 63: ... 63 2 Outdoor 2 1 LM 2422C2L LM 2422A2L ...
Страница 64: ... 64 2 2 LM 3625C3L A3L LM 3626A3L ...
Страница 65: ... 65 2 3 LM 4822C3L LM 4822A3L ...
Страница 81: ...P No 3828A20095K January 2005 Printed in Korea ...