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See also:
Service Manual
Modular
HFC
Multi System
R407C
Installation Instructions
Air Conditioner – Multi Split Type System
d'Installation Intérieure
Climatiseur – Système de Type Multi Split
Installationsanleitung
Klimaanlage – Geteilte Multi-Bauweise
de Instalación en Interiores
Aire Acondicionado – Sistema de Tipo Multi Split
l'installazione dell'unità interna
Condizionatore d'aria – Tipo Multi Split
Installatievoorschrift
Airconditioning – Multi-delig Type Systeem
1401957701R01
Indoor
Instructions
für Innenanlagen
Instrucciones
Istruzioni per
Inpandig
GB
F
D
E
I
NL
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Summary of Contents for Toshiba MM-U056
- Page 1 1401957701R01 Modular Multi System Indoor Installation Instructions Air Conditioner – Multi Split Type System Instructions d’Installation Intérieure Climatiseur – Système de Type Multi Split Installationsanleitung für Innenanlagen Klimaanlage – Geteilte Multi-Bauweise Instrucciones de Instalación en Interiores Aire Acondicionado – Sistema de Tipo Multi Split Istruzioni per l’installazione dell’unità...
- Page 2 NSTALLATION NSTRUCTIONS Please read these instructions carefully before starting the installation. This equipment should only be installed by suitably trained operatives. In all cases ensure safe working practice: Observe precautions for persons in the vicinity of the works. Ensure that all local, national and international regulations are satisfied. Check that the electrical specifications of the unit meet the requirements of the site.
- Page 3 Il manuale d’installazione italiano è a pagina 130. Zie bladzijde 162 voor de Nederlandse Installatichandleiding. PTIONAL CCESSORIES The following optional accessories are available: CCESSORY ODEL CCESSORY ODEL RBC-U134PG(W)-E MM-TU028/TU042/TU056 ASSETTE RBC-U264PG(W)-E MM-U056/U080 EILING ANEL RBC-U464PG(W)-E MM-U112/U140 ASSETTE RBC-U264PGR(W)-E MM-U056/U080 NFRA EILING ANEL RBC-U464PGR(W)-E MM-U112/U140...
- Page 4 Throughout this booklet, various types of indoor units will be referred to by model codes. Details are shown in the table below: PPEARANCE ODEL NAME APACITY CODE OOLING APACITY EATING APACITY MM-U056 4 Way Cassette MM-U080 Type ‘U’ MM-U112 11.2 12.8 MM-U140 14.0 15.8...
- Page 5 CCESSORIES COMMON ESCRIPTION UANTITY IAGRAM PPLICATION Owner’s Manual — For use by customers Installation instructions This book — MM-B Units ESCRIPTION UANTITY IAGRAM PPLICATION PVC Socket For drainpipe connection Connector assembly For fan motor tap changing Pipe insulation For insulating the pipe connections MM-C Units ESCRIPTION UANTITY...
- Page 6 If a good location is not possible, use a fan to circulate the air evenly throughout the room. — MM-U Units only — Choose the number of airflows that are required, depending on the shape of the room and the location of the indoor unit. MM-U056/U080 MM-U112/U140 3-way 3-way...
- Page 7 NDOOR OCATION Service and Installation Space ALWAYS ENSURE THAT THERE IS SUFFICIENT SPACE AROUND THE INDOOR UNITS FOR INSTALLATION AND SERVICING: MM-B Units 300 – 400mm Inspection hole 450mm Provide an inspection hole in this position MM-C, CR Units 150mm 150mm or more or more...
- Page 8 NDOOR OCATION Service and Installation Space continued MM-SB Units Electrical box Air Outlet Drain pipe connections MM-S, SR Units 400mm Plan View or more 500mm or more 150mm 150mm 150mm or more or more or more MM-TU Units 200mm 600mm 600mm 600mm MM-U Units...
- Page 9 NDOOR OCATION Unit Installation – MM-B Units G Check the dimensions of the unit illustrated in the following figure: Nx Ø200 Unit Dimension:800 Air Outlet Hanging Bolt Hanging Bolt Pitch:565 4-M10 Provided at site Unit Dimension A 6 x Ø4 holes (Ø160) Refrigerant Pipe Hanging Bolt Pitch B Connection...
- Page 10 12 – ø 6 holes MM-B112, MM-B140 22 – ø 6 holes Optional Accessory A TOSHIBA Long-Life Filter Kit is available as an optional accessory. The Filter Kit can be installed on either the lower or rear air inlet of the Duct Type unit.
- Page 11 NDOOR OCATION The positions of the hanging bolts are printed on the Unit Installation – MM-C, MM-CR Units carton box. (The size is not printed.) The dotted Before Installation line indicates the rear end Position of hanging bolt of the unit. To Take off the accessories.
- Page 12 NDOOR OCATION Unit Installation – MM-C, MM-CR Units continued Hanging the Indoor Unit (1) Fitting Hanger INNER HANGING OUTER HANGING Ceiling board Hanging bolt Ceiling board Hanging bolt 40mm or less* 40mm or less* Bolt cover Hanger Body Hanger Hexagon bolt M10 Plate Side panel (right) washer...
- Page 13 NDOOR OCATION In the case of a reinforced concrete wall: Unit Installation – MM-K, MM-KR Units (1) In the selected areas on the reinforced concrete wall, bore holes at intervals of 480mm, and fit anchors; G When mounting the indoor unit on the wall, follow the (2) Attach the installation bracket to the wall by screwing instructions below: bolts or nuts into the anchors.
- Page 14 NDOOR OCATION Unit Installation – MM-N Units To connect the duct, prepare the connection flange locally as shown: (1) There are EPS cushions protecting the unit from damage during transportation. They are located under MM-N028 both side plates. Remove the EPS cushions before 5-Ø4.7 Hole installation.
- Page 15 NDOOR OCATION Unit Installation – MM-SB Unit G Check the dimensions of the unit illustrated in the following figure: Refrigerant pipe Electrical box connection (PCB, Transformer and MF Capacitor) (Liquid ø6.4) flow Refrigerant pipe connection Air outlet (Gas ø12.7) Filter Shelter board Optional Air Flow (Lower air inlet) Drain pipe connection...
- Page 16 NDOOR OCATION Unit Installation – MM-S, MM-SR Units Installing Ø 10 Wall Bolts Before Installation Ø Wall Bolts are procured locally Install wall bolts at the spacings shown below. INNER HANGING Securely fix left and right side Take off the accessories. panels with a Hole for expanded bolt screw supplied...
- Page 17 NDOOR OCATION Unit Installation – MM-S, MM-SR Units continued Hanging the Indoor Unit – MM-S/MM-SR Units continued (1) Fitting Hanger Wall 40mm or less* Hanger Plate washer Double nut Hexagon bolt *Allow a bolt length of 40mm or less (2) Fitting of Hanger Wall Hanger (3) Hanging the Indoor Unit...
- Page 18 NDOOR OCATION Installation on a wooden structure: Unit Installation – MM-TU Units Place a length of wood of the appropriate size across two beams and install the hanging bolts onto this length of wood. Check the dimensions of the unit illustrated in the following figure.
- Page 19 Cross Beam length of wood Ceiling Hanging bolt MM-U056 MM-U080 Refrigerant pipe connection (Gas ØA) Refrigerant pipe Model (MM-) U056 U080 connection (Liquid ØB) ØA 12.7...
- Page 20 NDOOR OCATION MM-U112 MM-U140 Refrigerant pipe connection (ø19.0 Gas side) Refrigerant pipe connection (ø9.5 Liquid side) Wiring connection (Gland Plate 3 x Ø20 holes) Drain pipe connection (1'' BSP threaded connection) Fresh Air Inlet Condensate Pipe 1'' BSP Threaded Connection 1030 HANGER BOLT PITCH 1230 EXTERNAL CASSETTE DIMENSION 1290 CEILING DIMENSION...
- Page 21 NDOOR OCATION Fresh Air Inlet These models have a cut out hole in the cabinet to enable external air to enter the indoor unit. Before installing the unit, remove the cut out hole and insulation block and fit a spigot to connect the duct before hanging the unit.
- Page 22 NDOOR OCATION Air Outlet Duct To improve air distribution in a room it is possible to divide the air outlet into the room. This is acheived by adding a distribution duct. Only one duct can be used per unit. Before installing the unit remove the cut out hole and fit a spigot to connect the duct before hanging the unit. Details of Cut Out Hole (1) The cut out hole is a rectangular shape half-cut hole located on two sides of the unit.
- Page 23 RAIN IPING Precautions Fixing the Drain Pan Ensure that the drain piping indoors is correctly MM-C, MM-CR Rear Attachment heat-insulated otherwise condensation will result. MM-S, MM-SR Bottom Attachment Also, insulate the section which connects it to the indoor unit. Screw the drain pipe fixing plate to the lower part of the rear/bottom knockout and attach the drain pipe with If nylon cable ties are used to secure the insulation, the nylon band.
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Page 24: Trial Run
RAIN IPING MM-U units Drainage Check Remove the sevice panel located below the drain connection as shown below. Pour about 500ml of MM-B units water into the drain pan and then operate the unit in Remove the electrical box and service panel, then pour the COOL mode to confirm the water is removed from water on the drain pan. -
Page 25: Heat Insulation
EFRIGERANT IPING Pipework Installation When installing the pipework it is essential that the following points are adhered to: Cleanliness is essential – keep the pipework securely sealed at all times during the installation. (ii) No sight glass should be fitted to the liquid pipe. (iii) Do not incorporate an oil trap in vertical pipework. -
Page 26: Indoor Unit Wiring Connections
LECTRICAL IRING Precautions This guide should be read and utilised in conjunction with the official published regulations and codes of practice, be they local, national or international. Each air conditioning system will have its own discrete power supply, with overload current protection. - Page 27 LECTRICAL IRING Connecting the Remote Controller — B, C, K, N, SB, S, TU, U only Any standard 3-core cable operating at 12VAC with a cross-sectional area ranging from 0.3mm to 0.75mm and with a maximum length of 500 metres can be used. When routing this cable, care should be taken to ensure that it is not in direct contact with mains cable or routed in duct or conduit containing power cables.
- Page 28 EMOTE ONTROLLER Installation of Remote Controllers Precautions Low-voltage circuit provision is used for remote control communication, and as such, the remote control cable is subject to the low-power circuit provision of internal wiring regulations and therefore it cannot be brought into direct contact with a high-voltage AC power line, or housed in the same conduit tube as a power line.
- Page 29 EMOTE ONTROLLER Installation of AI Room Remote Controllers Precautions Low-voltage circuit provision is used for remote control communication, and as such, the remote control cable is subject to the low power circuit provision of internal wiring regulations and therefore it cannot be brought into direct contact with high voltage AC power lines, or housed in the same conduit tube as a power line.
- Page 30 EMOTE ONTROLLER Installation of Infra-Red Remote Controllers MM Indoor Units (CR, KR, SR, PGR) The remote controller should be kept where its signals can reach the receiver on the indoor unit, a maximum distance of 7 metres is allowed. When the timer operation is selected, the remote controller automatically transmits a signal to the indoor unit at the specified time.
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Page 31: Air Flow Adjustment
The Modular Multi Indoor Units have a de-rating option that can be implemented to closely match actual load requirements. To de-rate any Toshiba MMS Indoor Unit, adjust Dip Switch SW08 located on the Indoor Unit PCB (MCC-1361-01) in accordance with the chart below. - Page 32 RIAL PERATION Indoor Unit Pulse Motor Valve (PMV) full open/full closed function PMV used in the Indoor unit can be forcibly opened fully, closed fully and opened in medium degree for 2 minutes. PMV Operation using Indoor Unit PCB (MCC-1361-01) CN33 CN32 PMV opening...
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Page 33: Electrical Wiring
INAL NSTALLATION HECKS Precautions Ensure that the electrical cable used for power supply and control of the system is unable to come into contact with either service valves or pipework which are not insulated. Electrical Wiring When installation is complete, check that all power supply and interconnecting wiring has been appropriately protected. - Page 34 TOSHIBA AIR CONDITIONING www.toshiba-aircon.co.uk MADE IN UK 1401957701R01...