– 1 – Contents Original instruction Please read this Installation Manual carefully before installing the Air Conditioner. • This Manual describes the installation method of the indoor unit. 1 Precautions for safety ..........3 •...
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Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.
– 3 – Precautions for safety Warning indications on the air conditioner unit The manufacturer shall not assume any liability for the damage caused Warning indication Description by not observing the description of this manual. WARNING WARNING WARNING ELECTRICAL SHOCK HAZARD ELECTRICAL SHOCK HAZARD General Disconnect all remote...
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• When work is performed at heights, use a ladder which complies with Installation the ISO 14122 standard, and follow the procedure in the ladder’s • When the indoor unit is to be suspended, the designated hanging instructions. Also wear a helmet for use in industry as protective gear bolts (M10 or W3/8) and nuts (M10 or W3/8) must be used.
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– 5 – Electrical wiring • If there is any kind of trouble (such as check code display has • Only a qualified installer (*1) or qualified service person (*1) is appeared, smell of burning, abnormal sounds, the air conditioner fails allowed to carry out the electrical work of the air conditioner.
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CAUTION R410A refrigerant air conditioner installation • This air conditioner adopts the HFC refrigerant (R410A) which does not destroy ozone layer. • The characteristics of R410A refrigerant are; easy to absorb water, oxidizing membrane or oil, and its pressure is approx. 1.6 times higher than that of refrigerant R22.
– 7 – Accessory parts Selection of installation place Part name Q’ty Shape Usage WARNING Be sure to hand over to customers Installation Manual This manual (For other languages that do not appear in this Installation Manual, • Install the air conditioner securely in a location where the base can sustain the weight adequately. please refer to the enclosed CD-R.) If the strength is not enough, the unit may fall down resulting in injury.
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Installation space Installation of wireless remote controller (Sold separately) Provide the space required for installing and servicing the indoor unit. The signal receiving unit of indoor unit can receive a signal by distance within approx. 7 m. Based upon it, determine a place where the remote controller is operated and the installation place.
– 9 – Installation CAUTION CAUTION Strictly comply with the following rules to prevent damage of the indoor units and human injury. • Do not put any heavy article on the indoor unit. (Even units are packaged) • Carry in the indoor unit as it is packaged if possible. If carrying in the indoor unit unpacked by necessity, be sure to use buffering cloth, etc.
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UP018 to UP030 (Unit: mm) Refrigerant pipe connecting port Model: MMU- Liquid side: A Gas side: B UP018 12.7 UP024 to UP030 15.9 B view 137.5 147.5 1245 1365 1415 Panel external dimension Ceiling bottom surface Ceiling opening dimension Ceiling panel (Sold separately) 1180 Hanging bolt pitch...
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Opening a ceiling and Installation of indoor unit Treatment of ceiling The ceiling differs according to structure of building. installation of hanging bolts • Attach a nut (M10 or W3/8: locally procured) and the For details, consult your constructor or interior finish Dia.34 washer (supplied) to each hanging bolt.
– 13 – Drain piping Connecting flexible hose Drain up • Insert the soft end socket of the flexible hose When a down-gradient cannot be secured for the drain provided into the drain pipe connecting port of the pipe, drain-up piping is possible.
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Check the draining CAUTION CAUTION In the test run, check that water drain is properly performed and water does not leak from the connecting part of When pouring the water, pour it slowly. If it is poured with too much force, it will spread around the inside of the indoor the pipes.
– 15 – Refrigerant piping Airtight test / Air purge, etc. Tightening connection For air tightness test, vacuum drying and adding Permissible piping length and CAUTION CAUTION refrigerant, refer to the Installation Manual attached CAUTION CAUTION height difference to the outdoor unit.
Electrical connection Power supply wire and communication wires specifications Power supply wire and communication wires are locally procured. For the power supply specifications, follow to the table below. If capacity is little, it is dangerous because overheat WARNING or burnout may be caused. •...
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– 17 – <In the case of combining with outdoor units of Super Modular Multi System u series (SMMS-u)> <In the case of combining with outdoor units other than Super Modular Multi System u series (SMMS-u)> Follow the wiring specifications in the table below even when units other than U series are mixed in the indoor units Control wiring between indoor units, and outdoor unit (L2, L3) and remote controllers to be connected.
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Remote controller wiring Wiring between indoor and outdoor units • 2-core with non-polarity wire is used for the remote controller wiring and group remote controllers wiring. NOTE Remote controller wiring, remote controller inter-unit Wire size: 0.5 mm² to 2.0 mm² A wiring diagram below is an example for connection to SMMS-u series.
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– 19 – Wire connection REQUIREMENT • Connect the wires matching the terminal numbers. Incorrect connection causes a trouble. • Route the wire through the wire connection port of the indoor unit. • The low-voltage circuit is provided for the control wire and remote controller wire. (Do not connect the high-voltage circuit.) Wiring inlet 1.
Applicable controls Remote controller wiring Strip off approx. 9 mm the wire to be connected. Applicable controls setup REQUIREMENT (settings at the site) Wiring diagram When the air conditioner is used for the first time, it will take some moments after the power has been turned on Remote controller model name: Remote controller wire before the remote controller becomes available for...
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– 21 – Installing indoor unit on high To secure better effect of Remote controller sensor Each time [ ] setting button is pushed, indoor unit numbers in the group control ceiling heating The temperature sensor of the indoor unit senses room change cyclically.
Test run <Overview of test run operations using the wireless Before test run Wired remote controller Wireless remote controller remote controller> Be sure to stop the air conditioner before making • Before turning on the circuit breaker, carry out the settings.
– 23 – Maintenance Remove the air filter Close the center panel Take hold of the air filter knobs, and while pushing • Slowly rotate the center panel upward (1), and the filter diagonally (1), pull it downward (2), and close it.
Troubleshooting ▼ Periodic Maintenance • For environmental conservation, it is strongly recommended that the indoor and outdoor units of the air conditioner in use be cleaned and maintained regularly to ensure efficient operation of the air conditioner. When the air conditioner is operated for a long time, periodic maintenance (once a year) is recommended. ...
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– 25 – Check method On the wired remote controller, central control remote controller and the interface P.C. board of the outdoor unit (I/F), a check display LCD (Remote controller) or 7-segment display (on the outdoor interface P.C. board) to display the operation is provided.
Main unit (Ceiling panel) 336 Tadehara, Fuji-shi, Shizuoka-ken 416-8521 JAPAN Cooling Heating MMU-UP0071WH-E 18 (10) MMU-UP0091WH-E 18 (10) TCF holder: TOSHIBA CARRIER EUROPE S.A.S Route de Thil MMU-UP0121WH-E 18 (10) 01120 Montluel FRANCE MMU-UP0151WH-E 18 (10) MMU-UP0181WH-E 26 (14) Hereby declares that the machinery described below:...
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WARNINGS ON REFRIGERANT LEAKAGE Important Check of Concentration Limit ▼ NOTE 2 The room in which the air conditioner is to be installed requires a design that in the event of refrigerant The standards for minimum room volume are as follows. gas leaking out, its concentration will not exceed a set limit.