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Operation Range; Operation And Performance - Bosch MDCI22-3 User Manual

All dc inverter outdoor units (triphase)
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NOTE
12 hours preheating is imperative after turn on the power
switch. Please do not shut down the power when the unit
is supposed to stop running in 24h or shorter time. (This is
to warm the crankcase heat box to avoid compulsive start
of condenser.)
Pay attention not to block the air inlet and outlet.
Blocks may decrease the efficiency of the unit or startup
the protector, which will stop running.

3. OPERATION RANGE

Use the system in the following temperature for safe and effective
operation. The Max operation temperature for the air conditioner.
(Cooling/Heating)
Table 3-1
Temperature
Mode
temperature
Cooling operation
-15°C~46°C
Heating operating
-15°C~24°C
NOTE
1. If air conditioner is used outside the above conditions, it
may cause the unit to function abnormally.
2. The phenomenon is normal that the surface of air
conditioning may condense water when the relative larger
humidity in room, please close the door and window.
3. Optimum performance will be achieved within these
operating temperature range.
4. The A-weighted sound pressure level is below 70 dB.

4. OPERATION AND PERFORMANCE

4.1 Protection Equipment
This Protection Equipment will enable the Air Conditioner to stop
when the Air Conditioner is to be directed running compulsively.
When the Protection Equipment is activated, the Operation
Indicator still lights while the Air Conditioner is not running. But
the Check Indicatior Lights.
The protection equipment may be activated in following
conditions:
■ Cooling Operation
The air inlet or air outlet of outdoor unit is blocked.
Strong wind is Continuously blowing to the air outlet of the
outdoor unit.
■ Heating Operation
Too much dust and rubbish adhere to the dust filter in the
indoor unit
The air outlet of indoor unit is choked
MDCI Series – All DC Inverter Outdoor Units (Triphase)
Outdoor
Room
temperature
21°C~32°C
0°C~28°C
NOTE
When the protection equipment starts, please shut down the
manual power switch, and restart operation after problem
is solved.
4.2 About power cut
If power is cut during operation, stop all the operation
immediately.
Power comes again. The lamp on the display panel of
indoor unit flashes. And then unit will auto-restart.
Mishandling in operation:
If mishandling happens because of lighting or mobile
wireless, please shut off the manual power switch, and turn
on again, then push the ON/OFF button.
4.3 Heating capacity
The heating operation is a heat-pump process that heat
will be absorbed from outdoor air and released in doors.
Once the outdoor temperature is decreased, heating
capacity decreased corredpindingly.
Other heating equipment is suggested to be used together
when outdoor temperature is too low.
In some extreme cold upland that buy another inddoor unit
equipped electrical heater will obtain better performance.
(Refer to indoor unit owner's manual for details)
NOTE
1. The motor in Indoor Unit will continue running for
20~30 seconds for to remove residual heat when the Indoor
Unit recoeiving OFF command during heating operation.
2. If the air conditioner malfunction occurs because of disturb,
pleasereconnect the air conditioner to power, then turn on
it again.
4.4 Five-minute protection feature
A protection feature prevents the air conditioner from being
activated for approximately 5 minuites when it restarts
immediately after operation.
4.5 Cooling and heating operation
The indoor unit of the intelligent inverter centralized air
conditioner can be controlled solely, but the indoor unit in
the same system can not run cooling and heating at the
same time.
When the Cooling and Heating operation confront with
each other, the Indoor Unit which are running on Cooling
Mode would stop and there will be Standby or No Priority
displayed in the Control Panel. Those Indoor Units which
are running on Heating Mode will run continuously.
If the Air Conditioner Administrator has set running mode,
then the air conditioner can not run on modes other than
the presetted. Standby or No Priority will be displayed in
the Control Panel.
4.6 Features of heating operation
Warm air will not be blown out immediately at the beginning
of the heating operation, 3~5 minutes ago (depends on
the indoor and outdoor temperature), until the indoor heat
exchanger become hot, then blows out warm air.
OPERATION RANGE | 5
6 720 844 656 (2015/11)

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