Toshiba MMD-VNK502HEXE Installation Manual
Air to air heat exchanger with dx coil unit
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Also See for MMD-VNK502HEXE:
- Owner's manual (16 pages) ,
- Service manual (214 pages) ,
- Owner's manual (16 pages)
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AIR CONDITIONER (MULTI TYPE)
Installation Manual
Air to Air Heat Exchanger
with DX Coil Unit
Model name:
For commercial use
Model with a humidifier
MMD-VNK502HEXE
MMD-VNK802HEXE
MMD-VNK1002HEXE
MMD-VNK1002HEXE2
Model without a humidifier
MMD-VN502HEXE
MMD-VN802HEXE
MMD-VN1002HEXE
MMD-VN1002HEXE2
English
Installation Manual
1
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Table of Contents
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Summary of Contents for Toshiba MMD-VNK502HEXE
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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 Model with a humidifier MMD-VNK502HEXE MMD-VNK802HEXE MMD-VNK1002HEXE MMD-VNK1002HEXE2 Model without a humidifier MMD-VN502HEXE MMD-VN802HEXE MMD-VN1002HEXE MMD-VN1002HEXE2 English Installation Manual... -
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 – 3 – 5-EN 6-EN Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit • 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
– 5 – 9-EN 10-EN Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit 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 Installing the indoor unit Unit: mm Model No. Attaching the duct connector MMD-VNK502HEXE, VN502HEXE 1,690 1140 1140 Attach 4 duct connectors to the unit using the six screws supplied for each connector. -
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 Connecting drain pipe CAUTION CAUTION Install drain pipes to drain water securely referring Install the water supply pipes after washing the inside of them with water. -
Page 10: Installation Of Ducts
– 9 – 17-EN 18-EN Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit 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
– 11 – 21-EN 22-EN Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit 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) (220-240V~, under 1A each) * Refer to “Installation Method for Advanced System”... -
Page 14: Wiring Connection
– 13 – 25-EN 26-EN Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Wiring connection Remote control wiring Wiring diagram NOTE • When performing transition wiring for the remote controllers, polarity is not needed to be considered when connecting Remote control 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 – 15 – 29-EN 30-EN Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit 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 2) When the output signal of the external device is a no voltage a-contact (static signal) Remote ON/OFF adapter NRB-1HE (locally procured) CN705... - Page 18 – 17 – 33-EN 34-EN Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit 1) When switching the remote controller between invalid/valid from an external device Connecting an auxiliary fan or monitoring operation output (External Output) Adapter for remote ON/OFF control 220-240V~, 50Hz (locally procured)
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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 – 19 – 37-EN 38-EN Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Using TIMER time buttons, select Codes (DN codes) for changing settings SET DATA [ Codes in the table below are necessary for local advanced control.
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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 of the unbalanced ventilation Fan speed In a group control, a remote controller can control up to maximum 8 units. SA/EA unbalanced operation of the Air to Air Heat Exchanger with DX Coil Unit is possible. -
Page 22: Ventilation Mode Setting
– 21 – 41-EN 42-EN Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Ventilation mode setting Setting for changing the operation output The setting of the ventilation mode can be changed when using the remote controller for air conditioners Terminals 1 and 2 for external devices can be used to connect an auxiliary fan or to use the operation output for (RBC-AMT32E). -
Page 23: Fan Characteristics
Fan Characteristics ◆ MMD-VNK802HEXE Standard air volume: 800m /h, Lower limit air volume: 480m /h, Upper limit air volume: 960m ◆ MMD-VNK502HEXE 50Hz 230V 60Hz 220V Standard air volume: 500m /h, Lower limit air volume: 330m /h, Upper limit air volume: 600m... -
Page 24: Test Run
– 23 – 45-EN 46-EN Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Test Run ◆ MMD-VNK1002HEXE Standard air volume: 950m /h, Lower limit air volume: 640m /h, Upper limit air volume: 1140m Before test run 50Hz 230V... -
Page 25: Maintenance
CAUTION The table below shows the weight of each heat exchanger element. Handle the heat exchanger element carefully so as not to drop it. Model name Weight (kg/unit) Quantity MMD-VNK502HEXE MMD-VN502HEXE MMD-VNK802HEXE MMD-VN802HEXE MMD-VNK1002HEXE MMD-VN1002HEXE MMD-VNK1002HEXE2 Clean the filter if... - Page 26 – 25 – 49-EN 50-EN Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Maintenance of the heat Remove the filters. Attach the heat exchanger elements. Safety Remove the filters from the frame of the heat Install the heat exchanger elements as before.
- Page 27 Quantity of the and drain outlet. Clean up the drain pan and drain detach. Humidification element Model name humidification element outlet when they are clogged. Clean the filter with water. MMD-VNK502HEXE Drain pan MMD-VN502HEXE Re-attach the strainer cap. MMD-VNK802HEXE MMD-VN802HEXE MMD-VNK1002HEXE MMD-VN1002HEXE...
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Page 28: Troubleshooting
– 27 – 53-EN 54-EN Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Troubleshooting Maintenance of the humidifier element The replacement cycle of the humidifier element varies Confirmation and check When buttons are pushed... -
Page 29: How To Check
Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit How to check Error code Wired 7 segment display on the AI-NET remote Judging To display an error code or to confirm the operation status, the remote controller (wired remote controller and Error code name outdoor unit central... - Page 30 – 29 – 57-EN 58-EN Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Error code Error code Wired Wired 7 segment display on the AI-NET 7 segment display on the AI-NET remote Judging...
- Page 31 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 Indoor unit Indoor unit Indoor unit Indoor unit Model name Model name Model name Model name Before handing the system over to the customer, check the addresses and settings of the indoor units, then fill in...
- Page 32 – 31 – 61-EN 62-EN Installation Manual Installation Manual Air to Air Heat Exchanger with DX Coil Unit Air to Air Heat Exchanger with DX Coil Unit Indoor unit Indoor unit Indoor unit Indoor unit Model name Model name Model name Model name Check the addresses of the indoor units.
- 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.