Super heat recovery multi, indoor/outdoor unit, 1-way / 2-way / 4-way air discharge cassette type, floor standing cabinet type, for commercial use (220 pages)
Nur für gewerbliche Nutzung Per uso commerciale Para uso comercial Para uso comercial Indoor Unit Model name: English Installation Manual 4-way Air Discharge Cassette Type Français MMU-AP0092H Manuel d’installation MMU-AP0122H Deutsch Installations-handbuch MMU-AP0152H MMU-AP0182H Italiano Manuale di installazione MMU-AP0242H MMU-AP0272H Español...
Installation Manual SMMS 4-way Air Discharge Cassette Type Please read this Installation Manual carefully before installing the Air Conditioner. • This Manual describes the installation method of the indoor unit. • For installation of the outdoor unit, follow the Installation Manual attached to the outdoor unit. ADOPTION OF NEW REFRIGERANT This Air Conditioner is a new type which adopts a new refrigerant HFC (R410A) instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer.
Installation Manual SMMS 4-way Air Discharge Cassette Type ACCESSORY PARTS Accessory parts Part name Q’ty Shape Usage Installation Manual These manual (Be sure to hand over to customers) Heat insulating pipe For heat insulation of pipe connecting section For confirmation of ceiling opening and indoor unit Installation pattern —...
Installation Manual SMMS 4-way Air Discharge Cassette Type PRECAUTIONS FOR SAFETY • Ensure that all Local, National and International regulations are satisfied. • Read this “PRECAUTIONS FOR SAFETY” carefully before Installation. • The precautions described below include the important items regarding safety. Observe them without fail.
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Installation Manual SMMS 4-way Air Discharge Cassette Type CAUTION New Refrigerant Air Conditioner Installation • THIS AIR CONDITIONER ADOPTS THE NEW 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.
Installation Manual SMMS 4-way Air Discharge Cassette Type SELECTION OF INSTALLATION PLACE WARNING • Install the air conditioner at enough strong place to withstand the weight of the unit. If the strength is not enough, the unit may fall down resulting in injury. •...
Installation Manual SMMS 4-way Air Discharge Cassette Type Installation space Secure the specified space in the figure for installation and servicing. Model MMU- A mm AP0092H Type to AP0302H Type 271 or more AP0362H Type to AP0562H Type 334 or more ▼...
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Installation Manual SMMS 4-way Air Discharge Cassette Type REQUIREMENT • When using the air conditioner with 2-way/3-way discharge system, a strong wind blows directly if the ceiling height is lower than the standard. Therefore, change the setting switch according to height of the ceiling. •...
Installation Manual SMMS 4-way Air Discharge Cassette Type INSTALLATION REQUIREMENT Strictly comply with the following rules to prevent damage of the indoor units and human injury. • Do not put a heavy article on the indoor unit. (Even units are packaged) •...
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Installation Manual SMMS 4-way Air Discharge Cassette Type Opening a ceiling and Treatment of ceiling installation of hanging bolts The ceiling differs according to structure of building. For details, consult your constructor or interior finish contractor. • Consider the piping/wiring after the unit is hung In the process after the ceiling board has been when determining the location of the indoor unit removed, it is important to reinforce ceiling...
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Installation Manual SMMS 4-way Air Discharge Cassette Type Installation of ceiling opening and Level vial (levelness: 5mm or less) hanging bolt Hanging bolt Indoor unit Hanging bolt Hanging Level vial bracket (1) 10 to 35mm Ceiling board Hanging bracket Installation gauge •...
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Installation Manual SMMS 4-way Air Discharge Cassette Type Installation of ceiling panel In case of wireless type (Sold separately) The sensor of indoor unit with wireless remote controller can receive a signal by distance within Install the ceiling panel according to Installation approx.
Installation Manual SMMS 4-way Air Discharge Cassette Type DRAIN PIPING WORK • For length of the traversing drain pipe, restrict CAUTION to 20m or less. In case of a long pipe, provide support • Following the Installation Manual, perform brackets with interval of 1.5 to 2m in order to the drain piping work so that water is prevent waving.
Installation Manual SMMS 4-way Air Discharge Cassette Type Connecting drain pipe Check the draining • Connect a hard socket (procured locally) to the In the test run, check that water drain is properly hard socket of the attached supplied flexible performed and water does not leak from the hose.
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Installation Manual SMMS 4-way Air Discharge Cassette Type • Test water drain while checking the operation sound of the drain pump motor. (If the operation sound changes from continuous sound to intermittent sound, water is normally drained.) After the check, the drain pump motor runs, connecting the float switch connector.
Installation Manual SMMS 4-way Air Discharge Cassette Type REFRIGERANT PIPING AND EVACUATING Refrigerant Piping Permissible Piping Length and Height Difference 1. Use copper pipe with 0.8 mm or more thickness. (In case pipe size is Ø15.9, with 1.0mm or more.) They vary according to the outdoor unit.
Installation Manual SMMS 4-way Air Discharge Cassette Type Airtight test/Air purge, etc. Tightening connection CAUTION For airtight test, air purge, addition of refrigerant, and gas leak check, refer to the Installation • Do not apply excessive torque. Otherwise, the Manual attached to the outdoor unit. nut may crack depending on the conditions.
Installation Manual SMMS 4-way Air Discharge Cassette Type ELECTRICAL WORK • Do not turn on the power of the indoor unit until WARNING vacuuming of the refrigerant pipes completes. 1. Using the specified wires, ensure to connect the wires, and fix wires securely so that the Power supply wire and external tension to the wires do not affect the connecting part of the terminals.
Installation Manual SMMS 4-way Air Discharge Cassette Type ▼ Communication line Control wiring between indoor units, and outdoor (Up to 1000m) 1.25 mm² Wire size unit (2-core shield wire) (Up to 2000m) 2.0 mm² (Up to 1000m) 1.25 mm² Central control line wiring (2-core shield wire) Wire size (Up to 2000m) 2.0 mm²...
Installation Manual SMMS 4-way Air Discharge Cassette Type Wire connection REQUIREMENT • Be sure to connect the wires matching the terminal numbers. Incorrect connection causes a trouble. • Be sure to pass the wires through the bushing of wiring connection port of the indoor unit. •...
Installation Manual SMMS 4-way Air Discharge Cassette Type Remote controller wiring • As the remote controller wire has non-polarity, there is no problem if connections to indoor unit terminal blocks A and B are reversed. ▼ Wiring diagram Terminal block for remote controller Terminal block wiring of indoor unit...
Installation Manual SMMS 4-way Air Discharge Cassette Type Wiring for flow selector unit (sold separately) Connect control wiring and power supply following figure when installing a separately sold cooling/ heating switching unit. Indoor P.C. board Faston connection R(L), S(N) terminal block for power supply Earth screw CN081...
Installation Manual SMMS 4-way Air Discharge Cassette Type APPLICABLE CONTROLS Changing of settings of for REQUIREMENT applicable controls • When you use this air conditioner for the first time, it takes approx. 5 minutes until the Basic procedure for changing settings remote controller becomes available after Change the settings while the air conditioner is not power-on.
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Installation Manual SMMS 4-way Air Discharge Cassette Type When installing separately Procedure Each time you push button, indoor unit sold filters numbers in the control group change cyclically. Select the indoor unit you want to change settings Be sure to make ceiling setting when installing for.
Installation Manual SMMS 4-way Air Discharge Cassette Type When wireless remote Change of lighting time of controller is used filter sign Change the high-ceiling and filter settings with the According to the installation condition, the lighting DIP switch on the receiver section P.C. board. time of the filter sign (Notification of filter cleaning) can be changed.
Installation Manual SMMS 4-way Air Discharge Cassette Type To secure better effect of 5. Push button to check the setting. The display state changes from flashing to heating lighting, and the setting is fixed. 6. Push button to end the setting. When it is difficult to obtain satisfactory heating * When the cold draft position is selected, ceiling due to installation place of the indoor unit or...
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Installation Manual SMMS 4-way Air Discharge Cassette Type • About “Dual swing” 4. Select the wind direction of the louver you do “Dual” means that louvers 01 and 03 are not want to swing by pushing “TIME” directed and swing in one direction and louvers buttons.
Installation Manual SMMS 4-way Air Discharge Cassette Type How to cancel louver lock Set the wind direction to “0000” of the louver lock setup procedure above. Setting data 0000 • When the setting is canceled, goes out. Other operations are the same as those in “How to set up louver lock (No swing)”.
Installation Manual SMMS 4-way Air Discharge Cassette Type TEST RUN Before test run In case of wired remote controller • Before turning on the power supply, carry out 2, 4 the following procedure. 1) Using 500V-megger, check that resistance of 1MΩ...
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Installation Manual SMMS 4-way Air Discharge Cassette Type In case of wireless remote controller <Overview of test run operations using the wireless remote controller> Procedure ▼ Cooling test run: Turn on the power of the air conditioner. ON/OFF → 18°C → 19°C → 18°C → 19°C → When power is turned on for the first time after 18°C →...
Installation Manual SMMS 4-way Air Discharge Cassette Type MAINTENANCE Use a vacuum cleaner to remove dust CAUTION from the filters or wash them with water. • After rinsing the air filters with water, dry them in Before maintenance, be sure to turn off the the shade.
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Installation Manual SMMS 4-way Air Discharge Cassette Type Cleaning of discharge louver NOTE The discharge louver can be removed to clean. ANNUAL MAINTENANCE 1. Remove the discharge louver. • For environmental conservation, it is strongly • Holding the both ends of the discharge recommended that the indoor and outdoor louver, remove the louver sagging the center units of the air conditioner in use be cleaned...
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Installation Manual SMMS 4-way Air Discharge Cassette Type Maintenance List Part Check (visual/auditory) Maintenance Heat exchanger • Dust/dirt clogging, scratches • Wash the heat exchanger when it is clogged. • Sound • Take appropriate measures when abnormal sound Fan motor is generated.
Installation Manual SMMS 4-way Air Discharge Cassette Type TROUBLE SHOOTING Confirmation and check Procedure Every pushing of “TEMP.” button used to When a trouble occurred in the air conditioner, the set temperature, the trouble history stored in check code and the indoor unit No. appear on the memory is displayed in order.
Installation Manual SMMS 4-way Air Discharge Cassette Type Check codes and parts to be checked Check method On the remote controller (Main 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.
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Installation Manual SMMS 4-way Air Discharge Cassette Type 01: IPDU1 error 02: IPDU2 error 03: IPDU1, 2 error 04: Fan IPDU error IPDU communication error 05: IPDU + Fan IPDU error 06: IPDU2 + Fan IPDU error 07: All IPDU error —...
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I/F Differs according to error contents of unit with occurrence of alarm Group control branching unit error TCC-LINK — — (L20 is displayed.) Duplicated central control addresses TCC-LINK : TOSHIBA Carrier Communication Link. – 36 – 36-EN...
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WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit Important The room in which the air conditioner is to be installed requires a design that in the event of ▼ NOTE 2 refrigerant gas leaking out, its concentration will The standards for minimum room volume are as not exceed a set limit.
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CONFIRMATION OF INDOOR UNIT SETUP Prior to delivery to the customer, check the address and setup of the indoor unit, which has been installed in this time and fill the check sheet (Table below). Deta of four units can be entered in this check sheet. Copy this sheet according to the No.