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Service Manual
AIR CONDITIONER (MULTI TYPE)
Installation Manual
Air to Air Heat Exchanger
with DX Coil Unit
Model name:
Model with a humidifier
MMD-VNK502HEXE-TR
MMD-VNK802HEXE-TR
MMD-VNK1002HEXE-TR
Model without a humidifier
MMD-VN502HEXE-TR
MMD-VN802HEXE-TR
MMD-VN1002HEXE-TR
For commercial use
Ticari kullanım için
English
Installation Manual
1
Türkçe
Montaj Kılavuzul
32
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Table of Contents
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Summary of Contents for Toshiba MMD-VNK502HEXE-TR
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Page 1: Installation Manual
AIR CONDITIONER (MULTI TYPE) Installation Manual Air to Air Heat Exchanger with DX Coil Unit Model name: For commercial use Ticari kullanım için Model with a humidifier MMD-VNK502HEXE-TR MMD-VNK802HEXE-TR MMD-VNK1002HEXE-TR Model without a humidifier MMD-VN502HEXE-TR MMD-VN802HEXE-TR MMD-VN1002HEXE-TR English Installation Manual Türkçe... -
Page 2: Table Of Contents
Air to Air Heat Exchanger with DX Coil Units made by Toshiba Carrier Corporation 9 Refrigerant piping and vacuuming . -
Page 3: Precautions For Safety
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Precautions for safety Work undertaken Protective gear worn Protective gloves All types of work ‘Safety’ working clothing WARNING Electrical-related Gloves to provide protection for electricians and from heat work... - Page 4 Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit – 3 – • Do not install the unit in a machinery factory or a chemical plant, where a toxic gas containing acid, alkali, an organic •...
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Page 5: Accessory Parts
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Accessory parts CAUTION New Refrigerant Air to Air Heat Exchanger with DX Coil Unit Installation Name Quantity Shape Usage •... -
Page 6: Restrictions On System Construction
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit – 5 – Restrictions on system construction Selection of installation place more, or when the draining pipe is clogged, water CAUTION System combinations available droplets may fall from the unit. -
Page 7: Installation Of Indoor Unit
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Installation of indoor unit Installation in high-humidity places WARNING • Do not use the unit in a kitchen or bathroom. If the unit is used in a place where much oil smoke is •... -
Page 8: Installing The Indoor Unit
Air to Air Heat Exchanger with DX Coil Unit – 7 – Installing the indoor unit Unit: mm Model No. Attaching the duct connector MMD-VNK502HEXE-TR, VN502HEXE-TR 1,690 1140 1140 Attach 4 duct connectors to the unit using the six screws supplied for each connector. MMD-VNK802HEXE-TR, VN802HEXE-TR... -
Page 9: Drain Piping Work
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Drain piping work Water supply piping for a humidifier (VNK type only) Connecting drain pipe CAUTION • Connect the elbow for vinyl chloride pipe VP25 Install drain pipes to drain water securely referring CAUTION downward to the drain outlet. -
Page 10: Installation Of Ducts
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit – 9 – Installation of ducts Refrigerant piping and vacuuming CAUTION WARNING Insulate the ducts to prevent condensation. •... -
Page 11: Heat Insulation
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Flaring dia. meter size: A (Unit: mm) Heat insulation * In case of flaring for R410A with the Outer dia. -
Page 12: Electric Wiring
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit – 11 – Electric wiring Communication line Item Indoor / Outdoor inter-unit wiring (*2) (2 Model name cables) Remote controller wiring (*4) MMD- WARNING... -
Page 13: Connection Diagram
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Connection diagram Switches and connectors on the circuit board Remove the 4 screws to detach the cover. External output *5 External input (sold separately) (220-240 V~, under 1 A each) * Refer to “Advanced system”... -
Page 14: Wiring Connection
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit – 13 – Wiring connection Remote controller wiring Wiring diagram NOTE • When performing transition wiring for the remote controllers, polarity is not needed to be considered when connecting Remote controller wire wires to the terminal A and B on the indoor unit terminal block. -
Page 15: System Configuration
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit System configuration Wiring between indoor and outdoor units Settings and electric wiring differ depending on the system configuration. Perform electric wring according to the NOTE system examples shown in the table below. - Page 16 Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit – 15 – Installing two remote controllers for the Air to Air Heat System example Operation Exchanger with DX Coil Unit C.
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Page 17: Advanced System
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Advanced system Switching the remote controller between invalid / valid or low / high from an external device (separately sold External Input) * Perform connection with one of the units in the group. - Page 18 Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit – 17 – 2) When switching between low / high from an external device Connecting an auxiliary fan or monitoring operation output (External Output) Power supply 220-240 V~, 50 Hz Adapter for remote ON/OFF control...
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Page 19: Advanced Control
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Advanced control The electric damper (electric shutter) works during normal operation, and nighttime heat purge operation. • The electric damper (electric shutter) also works in the following circumstances: * While the operation is paused during nighttime heat purge operation REQUIREMENT * While operating in cold mode (Temperature is below −10 °C.) - Page 20 Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit – 19 – Using TIMER time buttons, select Codes (DN codes) for changing settings SET DATA [ Codes in the table below are necessary for local advanced control. Push button.
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Page 21: Group Control
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Group control Setting the single operation of the Air to Air Heat Exchanger with DX Coil Unit (Setting for the header air conditioner) In a group control, a remote controller can control up to maximum 8 units. -
Page 22: Ventilation Mode Setting
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit – 21 – Nighttime heat purge setting Ventilation Fan speed setting Nighttime heat purge exhausts hot air in the room by bypass mode and reduces the cooling load in the morning. The setting of the ventilation Fan speed can be changed when using the remote controller for air conditioners Monitoring operation starts after [Setting value] x 1 hour(s). -
Page 23: Fan Characteristics
Terminals 3 to 5 for external output can be used to detect an abnormal signal / bypass mode signal output. Output signal to be detected can be selected. ◆ MMD-VNK502HEXE-TR * Adjust this setting for the Air to Air Heat Exchanger with DX Coil Unit to which an external output is connected. - Page 24 Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit – 23 – ◆ MMD-VNK802HEXE-TR ◆ MMD-VNK1002HEXE-TR Standard air volume: 800 m /h, Lower limit air volume: 480 m /h, Upper limit air volume: 960 m Standard air volume: 950 m /h, Lower limit air volume: 640 m...
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Page 25: Test Run
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Test run Use the [ VENT MODE] button to select “ Auto ventilation” or “ Total heat exchanging ventilation”. Before test run Wired remote controller (NRC-01HE) •... -
Page 26: Maintenance
Model name Weight (kg/unit) Quantity filter the filter is badly clogged, change the setting value. Heat exchanger MMD-VNK502HEXE-TR • Do not soak the filter in water hotter than 60 °C; element MMD-VN502HEXE-TR otherwise, deformation or deterioration of the filter may result. - Page 27 Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit ◆ Detaching the humidification Attach the heat exchanger elements. Detach the maintenance cover (for the Safety humidification element) Install the heat exchanger elements as before.
- Page 28 Quantity of the outlet when they are clogged. Model name humidification element Drain pan MMD-VNK502HEXE-TR MMD-VNK802HEXE-TR MMD-VNK1002HEXE-TR Washing the humidification element Wash away dust and dirt from the humidification element by putting the element in a bucket of water.
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Page 29: Troubleshooting
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Troubleshooting How to check To display an error code or to confirm the operation status, the remote controller (wired remote controller and central remote controller) is equipped with an LCD display, and the interface circuit board of the outdoor unit is Confirmation and check When... - Page 30 Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit – 29 – Check code Check code Wired Wired remote 7 segment display on the Judging remote 7 segment display on the Judging Check code name Check code name...
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Page 31: Errors Detected By Tcc-Link Central Control Device
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Checking the settings of the indoor units Check code Wired remote 7 segment display on the Judging Check code name controller outdoor unit device... - Page 32 Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit – 31 – Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Model name Model name Model name...
- Page 33 WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit Important The room in which the air conditioner is to be installed NOTE 2 : requires a design that in the event of refrigerant gas The standards for minimum room volume are as leaking out, its concentration will not exceed a set limit.