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1. Forced operation: When the air-conditioner is started from the stop status, or from
another mode into the heating mode, it will be forcefully run without regard to the
intake temperature. But protection control is effective.
intake temperature. But protection control is effective.
2. When the indoor load (
D) is under the values tabled in the following table and the
indoor unit has been running for 5 minutes, the indoor unit will send the signal of
relay shut-down to the outdoor unit and the air-conditioner will stop running.
relay shut-down to the outdoor unit and the air-conditioner will stop running.
3. Outline of indoor load (
D) control actions
Relay shut-down position
EEPROM data
Type
Wall-mounted
type
type
Cassette type
Hide-away type
D2 D3
D2 D3
Relay shut-down position
21
22
24
22
Within 3 minutes after the air-conditioner stops running, it can not be restarted at once
although the indoor load (
although the indoor load (
D) exceeds the range in the following table.
Note: In deicing running, the compressor will run solely on the fixed compressor frequency.
EEPROM data
Indoor load in indoor temperature area
Except the above
22
23
25
23
Type
In abnormal display
Heating rated capacity control
Heating low-temperature
capacity control
capacity control
In delay control 3 minutes
after stop
after stop
Forced heating operation
In abnormal mode
Within 5 minutes after restart
In deicing running (or preparing)
0
1
0
1
1
1
Except
the
above
Maximal
limit
Forced operation at the
beginning of heating
beginning of heating
In warm boot
Within 3 minutes after
warm boot
warm boot
20
21
23
21
20
21
23
21
20
21
23
21
124
Hide-away type
D4
D4
Wall-mounted
type
type
Cassette type
Hide-away
type D2 D3
Hide-away
type D4
type D4
CU-MP28DBH5/CU-MP50DBH5
Note
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