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AIR CONDITIONER (MULTI TYPE) Owner’s Manual R410A For commercial use Indoor Unit Model name: <Fresh Air Intake Indoor Unit> MMD-UP0721HFP-E1 MMD-UP0961HFP-E1 MMD-UP1121HFP-E1 MMD-UP1281HFP-E1 Owner’s Manual English...
─ 1 ─ Contents Original instruction Thank you very much for purchasing TOSHIBA Air Conditioner. Please read this owner’s manual carefully before using your Air Conditioner. 1 Precautions for safety ....................3 • Be sure to obtain the “Owner’s manual” and “Installation manual” from constructor (or dealer).
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Clothing to provide protection from electric shock The qualifi ed installer is a person who installs, maintains, relocates and removes the air conditioners made by Toshiba Carrier Corporation. He or she has been trained to install, maintain, relocate and remove the air Work done at heights...
─ 3 ─ • You shall ensure that the air conditioner is transported in stable Precautions for safety condition. If you fi nd any part of the product broken, contact your dealer. The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual.
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Operation • When the air conditioner is operated with a combustion appliance in the same place, be careful of ventilation to let fresh air enter the • Before opening the intake grille of the indoor unit or service panel room. Poor ventilation causes oxygen shortage. of the outdoor unit, set the circuit breaker to the OFF position.
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─ 5 ─ • If you have discovered that the fan grille is damaged, do not CAUTION approach the outdoor unit but set the circuit breaker to the OFF Installation position, and contact a qualifi ed service person to have the repairs •...
• Be sure to stop running the air conditioner and turn off the breaker Part names before cleaning. Otherwise, injury may result as the fan is rotating ■ at high speed inside the unit. Fresh air intake unit Indoor Unit •...
─ 7 ─ ■ Indicators Part names and functions of the remote All icons on the display are shown for this explanation. Operations are not accepted when “SETTING” is fl ashing. controller LCD backlight lights for 15 seconds during remote controller operation. All indicators are displayed in the display example below.
■ Operation mode and function Operation COOL : Cools the fresh air and sends it into the room When you use the air conditioner for the fi rst time or change the settings, follow the procedures below. HEAT : Heats the fresh air and sends it into the room : Sends the fresh air as it is From next time, pushing the ON/OFF button starts running of the air conditioner with the chosen settings.
─ 9 ─ OFF timer operation Installation ■ Location OFF timer : The indoor unit stops when the set time is reached. • Avoid locations where inside the ceiling is used as a route for fresh air. • Install the fresh air intake unit considering a discharge port position. The fresh air intake unit has a different discharge temperature compared with the indoor unit for air conditioner.
Notes on operations and performance Maintenance ■ ■ Check before operation Protective device WARNING (High pressure switch) For daily maintenance including Air Filter cleaning, make sure to ask the qualifi ed service person • Turn on the power switch at least 12 hours before particularly following models as the maintenance requires high-place work;...
─ 2 ─ ■ Cleaning the indoor unit and Troubleshooting remote controller • Ask qualifi ed service person to clean the indoor units When the following symptoms are found, check the points described below before asking repair servicing. for the models listed in the warning on the top of this Symptom Cause chapter.
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■ Confi rmation and check If a problem occurs with the air conditioner, the OFF timer indicator alternately shows the check code and the indoor Unit No. in which the problem occurred. Check code The indoor Unit No. in which the problem occurred.