User manual TOSHIBA MMD-AP0481BH INSTALLATION MANUAL

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Manual abstract: user guide TOSHIBA MMD-AP0481BHINSTALLATION MANUAL

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[. . . ] INSTALLATION MANUAL SUPER MODULAR MULTI SYSTEM AIR CONDITIONER For commercial use (Not accessible to the general public) Indoor Unit <Concealed Duct Type> MMD-AP0071BH, AP0091BH, AP0121BH, MMD-AP0151BH, AP0181BH, AP0241BH, MMD-AP0271BH, AP0301BH, AP0361BH, MMD-AP0481BH, AP0561BH Thank you very much for purchasing TOSHIBA Air Conditioner. Please read this owner's manual carefully before using your Air Conditioner. · Be sure to obtain the "Owner's manual" and "Installation manual" from constructor (or dealer). Request to constructor or dealer Please clearly explain the contents of the Owner's manual and hand over it. 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. CONTENTS Accessory parts and Parts to be procured locally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Ln Twist wire: 0. 5mm2 to 2. 0mm2 × 2 In case of wired type only In case of wireless type included Up to 500m Up to 400m Up to 200m CAUTION The remote controller wire (Communication line) and AC220­240V wires cannot be parallel to contact each other and cannot be stored in the same conduits. If doing so, a trouble may be caused on the control system due to noise, etc. Total wire length of remote controller inter-unit wiring = L1 + L2 + . . . Ln Indoor unit Remote controller wiring Indoor unit Indoor unit Indoor unit L1 Remote controller L2 Remote controller inter-unit wiring Ln (Max. 8 units) 14 Cable connection REQUIREMENT · Be sure to pass the wire through the wire connection port of the indoor unit. 100mm) on a wire to hang down the electric parts box at servicing, etc. · The low-voltage circuit is provided for the remote controller. · Remove the cover of the electric parts box by taking off the mounting screws (2 positions) and pushing the hooking section. (The cover of the electric parts box remains hanged to the hinge. ) · Tighten the screws of the terminal block, and fix the wires with cord clamp attached to the electric parts box. (Do not apply tension to the connecting section of the terminal block. ) · Be sure to set a loop for the connecting wire of the storing part of the indoor unit electric parts; otherwise the electric parts box cannot be drawn out in service time. · Mount the cover of the electric parts box without pinching wires. Electric parts box Connecting wire hole Electric parts box cover R(L) S(N) U1 U1 A B 10 10 Connecting cable RS (L) (N) 30 Inter-unit cable between indoor and outdoor units Cable cramp Remote controller wire Power supply cable 15 70 Earth line 6 ELECTRIC WORK Remote controller wiring · Strip off approx. · Twist wire of the remote controller to be connected with wire of the remote controller unit (or sensor), and pressfit them with a wire joint. (Wire joints (White: 2 pieces) are included in the accessory of the main remote controller (sold separately) or wireless remote controller kit (sold separately). ) · As the remote controller wire has no polarity, there is no problem if connections to indoor unit terminal blocks A and B are reversed. <Wiring diagram> Terminal block for remote controller wiring of indoor unit A B Approx. 200mm W B W : White B : Black Remote controller unit or sensor part Remote controller wiring Remote controller wire (Local procure) Connecting Wire from remote controller unit or sensor part Wire from remote controller or sensor Wire joint Wiring between indoor and outdoor units NOTE Header unit Follower unit An outdoor unit connected with indoor/outdoor inter-unit wire becomes automatically the header unit. Earth leakage breaker (Earth) Earth Outdoor power supply 3-phase 380­415V, 50Hz 380V, 60Hz Central control line wire (Open) Inter-unit wire between outdoor units Connection of shield wire closed terminal Indoor/Outdoor inter-unit wire Connection of shield wire closed terminal Pull box (Earth) Power supply 220­240V ~ 50Hz 220V ~ 60Hz Remote controller, for central control, etc. Indoor power supply 220­240V ~ 50Hz 220V ~ 60Hz Earth leakage breaker Switch Indoor unit (Remote controller group operation) Address setup Set up the addresses according to the Installation Manual attached to the outdoor unit. 16 7 APPLICABLE CONTROLS NOTIFICATION When using the equipment at the first time, it will take a lot of time that the remote controller accepts an operation after power was on. However, it is not a trouble. · Automatic address · While automatic addressing, the operation cannot be performed on the remote controller. 5 minutes) are required. · When power will be turned on after finish of automatic addressing; · It will require Max. 3 minutes) that outdoor unit starts operation after power was on. As all have been set to [Standard] at the shipment, change the setup of the indoor unit if necessary To change the setup, use the main remote controller (wired remote controller). * The setup change for wireless remote controller, sub remote controller, or remote controller-less system (Central control remote controller only is provided. ) is impossible. In these cases, prepare and mount a separate main remote controller. CODE No. Exchange of applicable control setup Basic operation procedure for setup exchange Change the setup while operation of the equipment stops. (Be sure to stop the operation of a set. ) Procedure UNIT No. R. C. No. 4 6 1 Description UNIT SET CL 2 3 5 1 When pushing SET , CL , and buttons simultaneously for 4 seconds or more, after a while, the display part flashes as shown in the figure. Check that the displayed item code is [10]. [. . . ] NOTE 1 : If there are 2 or more refrigerating systems in a single refrigerating device, the amounts of refrigerant should be as charged in each independent device. Outdoor unit e. g. , charged amount (15kg) Important NOTE 2 : The standards for minimum room volume are as follows. (1) No partition (shaded portion) (2) When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas (opening without a door, or an opening 0. 15% or larger than the respective floor spaces at the top or bottom of the door). Outdoor unit Refrigerant piping Indoor unit (3) If an indoor unit is installed in each partitioned room and the refrigerant piping is interconnected, the smallest room of course becomes the object. But when a mechanical ventilation is installed interlocked with a gas leakage detector in the smallest room where the density limit is exceeded, the volume of the next smallest room becomes the object. Refrigerant piping Outdoor unit Very small room Small room Medium room Large room Indoor unit Mechanical ventilation device - Gas leak detector e. g. , charged amount (10kg) NOTE 3 : The minimum indoor floor area compared with the amount of refrigerant is roughly as follows: (When the ceiling is 2. 7m high) 40 m² 35 30 Min. indoor floor area 25 20 15 10 5 0 10 20 30 Total amount of refrigerant Range above the density limit of 0. 3 kg/m³ (countermeasures needed) Range below the density limit of 0. 3 kg/m³ (countermeasures not needed) Room A Room B Room C Room D Room E Room F Indoor unit For the amount of charge in this example: The possible amount of leaked refrigerant gas in rooms A, B and C is 10kg. [. . . ]

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