Table of Contents
Advertisement
Quick Links
MDV R410A T1 50Hz Split Type
Applicable Model:
Indoor unit
MDTB-76HWN1
MDTB-120HWN1
MDHB-76HWN1
MDHA-150HWN1
MDHA-192HWN1
MDFA2-76HRN1
MDV reserves the right to discontinue, or change specification or designs at any time without notices and without incurring
obligations.
Top-discharge Series
Technical Service Manual
Outdoor unit
MDOV-76HN1-R
MDOV-120HN1-R
MDOV-150HN1-R
MDOV-192HN1-R
Advertisement
Table of Contents
Related Manuals for MDV MDTB-76HWN1
Summary of Contents for MDV MDTB-76HWN1
- Page 1 Top-discharge Series Technical Service Manual Applicable Model: Indoor unit Outdoor unit MDTB-76HWN1 MDOV-76HN1-R MDTB-120HWN1 MDOV-120HN1-R MDHB-76HWN1 MDHA-150HWN1 MDOV-150HN1-R MDHA-192HWN1 MDOV-192HN1-R MDFA2-76HRN1 MDV reserves the right to discontinue, or change specification or designs at any time without notices and without incurring obligations.
-
Page 2: Table Of Contents
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 Content Part. 1 General information Part. 2 Med-static Pressure Duct Indoor Unit Part. 3 Hi-static Pressure Duct Indoor Unit 16 Part. 4 Floor-standing Indoor Unit Part. 5 Outdoor Unit 40 Part. 6 Installation... -
Page 3: Part. 1 General Information
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series Part. 1 General information 1. Model Names of Indoor/Outdoor Units 2. External Appearance 3. Nomenclature... -
Page 4: Model Names Of Indoor/Outdoor Units
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 1. Model Names of Indoor/Outdoor Units Indoor unit Outdoor unit Capacity Type Cooling Heating Power Power Model Model supply supply MDTB-76HWN1 MDOV-76HN1-R 22.3 Medium static pressure duct type MDTB-120HWN1 MDOV-120HN1-R 35.0 MDHB-76HWN1 MDOV-76HN1-R 22.3... - Page 5 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 3. Nomenclatures 3.1 Indoor unit MD T B – 76 H W N1 Refrigerant type: R410A Controller type W: Wired controller R: Remote controller Heat pump Cooling capacity (76×1,000Btu/h) Series number: A, A1, A2……, B, B1, B2……...
-
Page 6: Part. 2 Med-Static Pressure Duct Indoor Unit
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 Part. 2 Med-static Pressure Duct Indoor Unit 1. Features 2. Specifications 3. Dimensions (Unit: mm) 8 4. Service Spaces 5. Refrigerant circuits 6. Wiring Diagrams 10 7. Capacity Tables 8. Static Pressure Curves 13 9. -
Page 7: Features
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series Features ⟡ High capacity of cooling and heating, and energy saving. ⟡ Thin size, even can installed at limited place. ⟡ All round steel shell, for high quality protection of transportation. ⟡ Convenient installation, hidden in the ceiling, unit installation is not hindered by the location of lighting fixtures or room structure. -
Page 8: Specifications
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 2. Specifications Model MDTB-76HWN1 MDTB-120HWN1 Power supply 220-240V~, 1Ph, 50Hz Btu/h 76,000 120,000 Capacity 22,300 35,000 Cooling Input 7,500 11,900 2.97 2.94 Btu/h 85,300 129,700 Capacity 25,000 38,000 Heating Input 8,300 12,700 3.01 2.99... -
Page 9: Dimensions (Unit: Mm)
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 3. Dimensions (Unit: mm) MDTB-76HWN1, MDTB-120HWN1 Air oulet side view Air inlet side view 4. Service Spaces Top view... -
Page 10: Refrigerant Circuits
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 5. Refrigerant circuits MDTB-76HWN1, MDTB-120HWN1... -
Page 11: Wiring Diagrams
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 6. Wiring Diagrams MDTB-76HWN1, MDTB-120HWN1 ITEM NAME CAP1, CAP2 INDOOR FAN CAP CN1-CN3, CN7, CN8, CN10, CN11, CN15, CN20 PCB SOCKETS TRANSFORMER FAN1, FAN2 INDOOR FAN ROOM TEMP. SENSOR PIPE TEMP. SENSOR CONNECTOR... -
Page 12: Capacity Tables
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 7. Capacity Tables DB: Dry Bulb Temperature (°C) WB: Wet Bulb Temperature TC: Total Capacity (kW) SC: Sensible Capacity (kW) PI: Power input (kW) MDTB-76HWN1 Outdoor Indoor 2200 2300 2500 2800 WB(°C) DB(°C) 23.9 26.7... - Page 13 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series MDTB-120HWN1 Outdoor Indoor 2100 2450 3750 4100 WB(°C) DB(°C) 23.9 26.7 29.4 32.2 23.9 26.7 29.4 32.2 23.9 26.7 29.4 32.2 23.9 26.7 29.4 32.2 DB(°C) 24.38 25.36 26.37 27.43 28.53 29.67 30.85 32.09 33.37 34.71 35.75 36.82 37.92 39.06 40.23 41.44 16.1...
-
Page 14: Static Pressure Curves
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 8. Static Pressure Curves MDTB-76HWN1 MDTB-120HWN1... -
Page 15: Electric Characteristics
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 9. Electric Characteristics Indoor Unit Power Supply Model Voltage Min. Max. MDTB-76HWN1 220-240V 198V 254V 4.96 MDTB-120HWN1 50 220-240V 198V 254V Notes: MCA: Min. Current Amps. (A) MFA: Max. Fuse Amps. (A) IFM: Indoor Fan Motor KW: Fan Motor Rated Output (kW) FLA: Full Load Amps. -
Page 16: Accessories
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 11.Accessories Name Qty. Purpose Owner’s manual Installation manual Restriction assembly Connect to system. Water connective pipe Connect to water drainage pipe. Display board subassembly Connect to control signal. Protective sleeve for refrigerant inlet and outlet pipes... -
Page 17: Part. 3 Hi-Static Pressure Duct Indoor Unit
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series Part. 3 Hi-static Pressure Duct Indoor Unit 1. Features 2. Specifications 3. Dimensions (Unit: mm) 19 4. Service Space 5. Refrigerant circuits 6. Wiring Diagrams 23 7. Capacity Tables 8. Static Pressure Curve 28 9. -
Page 18: Features
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 1. Features ⟡ High capacity of cooling and heating, and energy saving. ⟡ Thin size, even can installed at limited place. ⟡ All round steel shell, for high quality protection of transportation. ⟡ Convenient installation, hidden in the ceiling, unit installation is not hindered by the location of lighting fixtures or room structure. -
Page 19: Specifications
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 2. Specifications Model MDHB-76HWN1 MDHA-150HWN1 MDHA-192HWN1 Power supply 220-240V~, 1Ph, 50Hz Btu/h 76,000 150,100 192,000 Capacity 22,300 44,000 56,300 Cooling Input 7,500 16,300 22,000 2.97 2.70 2.56 Btu/h 85,300 160,300 200,000 Capacity 25,000... -
Page 20: Dimensions (Unit: Mm)
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 3. Dimensions (Unit: mm) MDHB-76HWN1 Air outlet side view Air inlet side view MDHA-150HWN1 Air outlet side view... - Page 21 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series Air inlet side view MDHA-192HWN1 Air outlet side view Air inlet side view...
-
Page 22: Service Space
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 4. Service Spaces Top view 5. Refrigerant circuits MDHB-76HWN1... - Page 23 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series MDHA-150HWN1, MDHA-192HWN1:...
-
Page 24: Wiring Diagrams
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 6. Wiring Diagrams MDHB-76HWN1 ITEM NAME CAP1, CAP2 INDOOR FAN CAP CN1-CN3, CN7, CN8, CN10, CN11, CN15, CN20 PCB SOCKETS TRANSFORMER FAN1, FAN2 INDOOR FAN ROOM TEMP. SENSOR PIPE TEMP. SENSOR CONNECTOR CONNECTOR... - Page 25 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series MDHA-150HWN1, MDHA-192HWN1 ITEM NAME CAP1, CAP2 INDOOR FAN CAP CN1-CN3, CN7, CN8, CN10, CN11, CN15, CN20 PCB SOCKETS TRANSFORMER FAN1, FAN2 INDOOR FAN ROOM TEMP. SENSOR PIPE TEMP. SENSOR CONNECTOR CONNECTOR 7-WAY TERMINAL...
-
Page 26: Capacity Tables
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 7. Capacity Tables DB: Dry Bulb Temperature (°C) WB: Wet Bulb Temperature TC: Total Capacity (kW) SC: Sensible Capacity (kW) PI: Power input (kW) MDHB-76HWN1 Outdoor Indoor 2200 2300 2500 2800 WB(°C) DB(°C) 23.9 26.7... - Page 27 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series MDHA-150HWN1 Outdoor Indoor 3350 3950 4400 4950 WB(°C) DB(°C) 23.9 26.7 29.4 32.2 23.9 26.7 29.4 32.2 23.9 26.7 29.4 32.2 23.9 26.7 29.4 32.2 DB(°C) 30.97 32.21 33.49 34.83 36.23 37.68 39.18 40.75 42.38 44.08 44.96 46.31 47.7 49.13 50.6 52.12 16.1...
- Page 28 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 MDHA-192HWN1 Outdoor Indoor 5100 5800 6350 6800 WB(°C) DB(°C) 23.9 26.7 29.4 32.2 23.9 26.7 29.4 32.2 23.9 26.7 29.4 32.2 23.9 26.7 29.4 32.2 DB(°C) 38.46 40 41.6 43.26 44.99 46.79 48.66 50.61 52.63 54.74 56.38 58.07 59.81 61.61 63.46 65.36 16.1...
-
Page 29: Static Pressure Curve
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 8. Static Pressure Curves MDHB-76HWN1 MDHA-150HWN1... -
Page 30: Electric Characteristics
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 MDHA-192HWN1 9. Electric Characteristics Indoor Unit Power Supply Model Voltage Min. Max. MDHB-76HWN1 50 220~240V 198V 254V 8.33 6.66 MDHA-150HWN1 50 220~240V 198V 254V 12.5 MDHA-192HWN1 50 220~240V 198V 254V 19.7 15.75 Note: MCA: Min. -
Page 31: Sound Levels
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 10.Sound Levels Model Noise level MDHB-76HWN1 56 dB(A) MDHA-150HWN1 63 dB(A) MDHA-192HWN1 65 dB(A) 11.Accessories Name Qty. Purpose Owner’s manual Installation manual Wired controller owner’s manual Water connective pipe Connect to water drainage pipe. -
Page 32: Part. 4 Floor-Standing Indoor Unit
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 Part. 4 Floor-standing Indoor Unit 1. Features 2. Specifications 3. Dimensions (Unit: mm) 34 4. Service Spaces 5. Refrigerant circuits 6. Wiring Diagrams 7. Capacity Tables 8. Electric Characteristics 39 9. Sound Levels... -
Page 33: Features
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 1. Features ⟡ High capacity of cooling and heating, and energy-saving. ⟡ Thin size, even can installed at limited place. ⟡ All round steel shell, for high quality protection of transportation. ⟡ Auto swing louver, wide angle and long distance of air supply. -
Page 34: Specifications
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 2. Specifications Model MFA2-76HRN1 Power supply 220-240V~, 1Ph, 50Hz Btu/h 76,000 Capacity 22,300 Cooling Input 7,500 2.97 Btu/h 85,300 Capacity 25,000 Heating Input 8,300 3.01 Rated input (Indoor unit) Rated current (Indoor unit) -
Page 35: Dimensions (Unit: Mm)
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 3. Dimensions (Unit: mm) -
Page 36: Service Spaces
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 4. Service Spaces... -
Page 37: Refrigerant Circuits
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 5. Refrigerant circuits... -
Page 38: Wiring Diagrams
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 6. Wiring Diagrams CODE PART NAME CAP1 FAN CAPACITANCE INDOOR FAN XT1-3 CONNECTOR TRANSFORMER ROOM TEMPERATURE SENSOR PIPE TEMPERATURE SENSOR FAN AIDED CONTROL BOARD XP1-3 CONNECTOR PLUGS XS1-3 CONNECTOR PLUGS SWING MOTOR... -
Page 39: Capacity Tables
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 7. Capacity Tables DB: Dry Bulb Temperature (°C) WB: Wet Bulb Temperature (°C) TC: Total Capacity (kW) SC: Sensible Capacity (kW) PI: Power input (kW) MFA2-76HRN1 Outdoor Indoor 5100 5800 6350 WB(°C) DB(°C) 23.9 26.7... -
Page 40: Electric Characteristics
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 8. Electric Characteristics Indoor Unit Power Supply Model Voltage Min. Max. MDFA2-76HRN1 50 220~240V 198V 254V 3.55 2.84 Note: MCA: Min. Current Amps. (A) MFA: Max. Fuse Amps. (A) IFM: Indoor Fan Motor kW: Fan Motor Rated Output (kW) FLA: Full Load Amps. -
Page 41: Part. 5 Outdoor Unit
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series Part. 5 Outdoor Unit 1. Specifications 2. Dimensions (Unit: mm) 43 3. Service Spaces 4. Wiring Diagrams 46 5. Electric Characteristics 6. Sound Levels... -
Page 42: Specifications
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 1. Specifications Model MDOV-76HN1-R MDOV-120HN1-R Power supply 380-415V~, 3Ph, 50Hz 380-415V~, 3Ph, 50Hz Ambient temp in cooling °C 17～46 17～46 Ambient temp in heating °C -7~24 -7~24 Rated input (Outdoor unit) 11,700 17,300 Rated current (Outdoor unit) 19.3... - Page 43 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series Specifications: Model MDOV-150HN1-R MDOV-192HN1-R Power supply 380-415V~, 3Ph, 50Hz 380-415V~, 3Ph, 50Hz Ambient temp in cooling °C 17～46 17～46 Ambient temp in heating °C -7~24 -7~24 Rated input (Outdoor unit) 26,900 32,200 Rated current (Outdoor unit) 47.9...
-
Page 44: Dimensions (Unit: Mm)
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 2. Dimensions (Unit: mm) MDOV-76HN1-R Top view MDOV-120HN1-R... - Page 45 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series Top view MDOV-150HN1-R Top view...
-
Page 46: Service Spaces
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 MDOV-192HN1-R Top view 3. Service Spaces Notes: 1. In case any obstacles exist above the outdoor unit, such obstacles must be 2000mm above the outdoor unit. 2. If miscellaneous articles are piled around the outdoor unit, such articles must be 400mm below the top of the outdoor unit. -
Page 47: Wiring Diagrams
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 4. Wiring Diagrams MDOV-76HN1-R, MDOV-120HN1-R... - Page 48 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 CODE PART NAME CODE PART NAME COMP COMPRESSOR 4-WAY TERMINAL FAN1 FAN2 OUTDOOR FAN 4-WAY TERMINAL CAP1 CAP2 FAN CAP 3-WAY TERMINAL KM1 KM2 FAN RELAY H-PRO HIGH PRESSURE SWITCH CURRENT DETECTOR L-PRO...
- Page 50 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 CODE PART NAME CODE PART NAME COMP A-C COMPRESSOR 4-WAY TERMINAL FAN1 FAN2 OUTDOOR FAN 4-WAY TERMINAL CAP1 CAP2 FAN CAP H-PRO HIGH PRESSURE SWITCH KM1-3 FAN RELAY L-PRO LOW PRESSURE SWITCH CT1-3...
-
Page 51: Electric Characteristics
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 5. Electric Characteristics Outdoor Unit Power Supply Compressor Model Voltage Min. Max. TOCA MDOV-76HN1-R 50 380-415V 342V 440V 15.5 19.3 21.2 12.3 0.42 MDOV-120HN1-R50 380-415V 342V 440V 24.75 28.6 31.46 21.4 5.85 MDOV-150HN1-R50 380-415V... -
Page 52: Part. 6 Installation
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 Part. 6 Installation 1. Notes 52 2. Installation of Duct Type Indoor Units 3. Installation of Floor Standing Type Indoor Units 4. Installation of Outdoor Units 60 5. Connection of Refrigerant Pipe 6. Heat Insulation of Refrigerant Pipe70 7. -
Page 53: Notes
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 1. Notes CAUTION: ⟡ Transport the air conditioner with the original package. ⟡ Do not throw the remote controller and wired controller. ⟡ If the air conditioner needs to be installed on a metal part of the building, electric insulation must be performed, and the installation must meet the relevant technical standards of electric devices. - Page 54 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 ⟡ Use Ф10 or bigger screws. The screw material is high-quality carbon steel whose surface is zinc plated or undergoes other anti-rust treatment, or stainless steel. ⟡ Fix the pendant bolts firmly and reliably in light of the specifice situsation.
-
Page 55: Designing And Connecting The Duct
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series ⟡ When in steel beam and girder structure, set and use supportive angle steel. ⟡ After install the indoor units, use a hoisting device to hoist the indoor unit, and align it with the installation screws to adjust the horizontality. - Page 56 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 Key points of duct connection MDTB-76HWN1, MDTB-120HWN1, MDHB-76HWN1 View of air outlet side (Unit: mm) View of air inlet side (Unit: mm)
- Page 57 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series MDHA-150HWN1 View of air outlet side (Unit: mm) View of air inlet side (Unit: mm)
-
Page 58: Install The Drainage Pipe
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 MDHA-192HWN1 View of air outlet side (Unit: mm) View of air inlet side (Unit: mm) 2.3 Install the drainage pipe ⟡ Install a drain stream trap in the drainpipe to prevent water from overflowing. -
Page 59: Installation Of Floor Standing Type Indoor Units
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series ⟡ Open the side panel of indoor unit to charge water into water collection tray, after the drain water pipe is installed, check whether the water can be drained smoothly and whether the joints are leakage. - Page 60 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 Notes: It is be ware of the foot screw, which may be hurt for the passby people, make sure enough securit of that, prevent accident occure. ⟡ Before electric connection, uncover the screw-cap in the air intake panel, and then lossen the screws.
-
Page 61: Installation Of Outdoor Units
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series prevent trash accumulation. ⟡ Charge water into water collection tray, after the drain water pipe is installed, check whether the water can be drained smoothly and whether the joints are leakage. ⟡ After making sure that the water drains smoothly and no water is leaked, use a diabatic wool bushes to preserve heat of the drain pipe. - Page 62 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 of the outdoor unit. Use 4 steel ropes of a diameter 6mm or bigger size to hoist the outdoor unit and MDOVe it into the site. ⟡ In order to prevent scratch and deformity the outdoor unit, apply a guard board to the surface of contact between the steel wire and the air conditioner.
-
Page 63: Connection Of Refrigerant Pipe
The snow protection facilities are provided in the site. 5. Connection of Refrigerant Pipe ⟡ Schematic diagram of connection between indoor unit and outdoor unit: MDTB-76HWN1 + MDOV-76HN1-R, MDHB-76HWN1 + MDOV-76HN1-R... - Page 64 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 MDTB-120HWN1 + MDOV-120HN1-R MDHA-150HWN1 + MDOV-150HN1-R MDHA-192HWN1 + MDOV-192HN1-R...
- Page 65 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series MDFA2-76HRN1 + MDOV-76HN1-R ⟡ The refrigerant pipe adapter is located inside the outdoor unit. So reMDOVe the right front board first, and reMDOVe M5 screws. ⟡ When the pipe is connected from the front side, the pipe can be led out through the right front board.
- Page 66 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 ⟡ Install the connective pipe only after fixing the indoor unit and outdoor unit. Keep dry when installing the connective pipe. Do not let moist intrude into the pipeline system. ⟡ Allowed length of refrigerant pipe and height difference.
- Page 67 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series ⟡ Braze the liquid line to the high pressure valve (liquid valve) at the outdoor unit. Be sure to wrap the valve body with a wet rag. Allow the nitrogen to continue flowing.
- Page 68 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 ✔ Tighten the spool of the low pressure valve and high pressure valve before compressing the nitrogen. ✔ Compress the nitrogen at the air vent of the gas valve. ✔ The low pressure valve and high pressure valve are closed in the process of compressing the nitrogen.
- Page 69 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series • Loosen and reMDOVe the maintenance orifice nut of valve A, and connect the filler hose of the manifold valve to the maintenance orifice of valve A (Tighten both valve A and valve B).
- Page 70 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 indoor unit and outdoor unit, calculate the refrigerant replenishment quantity. The refrigerant for replenishment is R410A. Diameter of liquid-side pipe Quantity of refrigerant replenished for 1m pipe length Φ9.52mm 0.06kg Φ12.7mm 0.12kg Φ16mm (MDOV-150HN1-R) 0.18kg...
-
Page 71: Heat Insulation Of Refrigerant Pipe70
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 6. Heat Insulation of Refrigerant Pipe In order to prevent faults caused by condensate of the refrigerant pipe and drain pipe, perform condensate prevention and heat insulation properly. If it is forecast that high humidity and temperature environment (Condensate temperature is over 23°C) may exist in the ceiling, e.g., inside the ceiling with slab, ceiling... - Page 72 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 contacting the connection pipe or valve. ⟡ No power cable is attached to this equipment. The user can select the power cable by reference to the stipulated power supply specifications. No joint of wires is allowed.
-
Page 73: Schematic Diagram
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series Type Indoor unit Outdoor unit Model MDHA1-150HWN1 MDOV-150HN1-R Power 220-240V~, 1Ph, 50Hz 380-415V~, 3Ph, 50Hz Switch capacity of the main 20A/12A 70A/50A power supply / Fuse Indoor unit power cable 3×2.5mm (Includes grounded wire) Outdoor unit power cable 5×16mm... - Page 74 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 Duct type: Floor standing type:...
-
Page 75: Duct Design Scheme
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 8. Duct Design Scheme It is only available for duct type indoor unit. Examples of construction and ventilation pipeline design scheme (Flowering hidden series.) Construction and ventilation pipeline design scheme Methods of configuring and selecting installation... - Page 76 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 Material name Characteristics, advantages and other contents 1. Install the filter at the main body grille in case the store height is low, and at the main body of the indoor unit in case the store height is high.
- Page 77 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 1. Fixed model that diffuses air at a 360 angle. 2. The outline size should increase when the air volume is over 350CMH. (For above 303), i.e., when about 9 diffusers are required, the outline size should increase.
-
Page 78: Trial Run
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 1. Low noise compared with other air outlets. Applicable to tall buildings that require a long distance of air conditioning. 2. Select the ventilation pipe connection caliber according to the distance and the air speed. -
Page 79: Trouble Shooting
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series ✔ Check whether the connective copper pipes and drain pipes generate condensate due to loose wrapping. ✔ Open the air inlet grille of indoor unit to check whether any penetration or leak of water occurs, especially at the drain stopper. - Page 80 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 The Run indicator blinks quickly (2 blinks per second.). After turning off the power switch and then • turning it on again, that indicator still blinks quickly. The receiving function of the remote controller fails, or the start and shutdown operation is abnormal.
-
Page 81: Faults Of Remote Controller And Cause
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series Symptom Possible causes Way of handing The refrigerant is excessive or Detect leak, and fill the refrigerant of a deficient. correct quantity. Air or non-condensable gas exists Make a vacuum again and fill the... - Page 82 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 ⟡ No sound of receiving signal. Symptom Check item Cause When the ON/OFF button is pressed, check whether the Align the signal transmitting part of the signal transmitting part of the remote controller with the receiving part...
- Page 83 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series ◆ All lamps flashing at 5Hz Lack of neutral line Switch off the power supply, and check Repair the power supply. whether there is no neutral line. Check whether the wiring connection is tight.
- Page 84 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 10.5 Floor standing type indoor unit malfunction and protection codes LED display Fault or protection meaning EEprom malfunction T1, room temperature sensor, fault of open circuit, short circuit. T2, pipe temperature sensor, fault of open circuit, short circuit.
-
Page 85: Outdoor Unit Malfunction And Protection Codes
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 10.6 Outdoor unit malfunction and protection codes Type LED1 LED2 Phase sequence or lack of phase. ● ☆ ★ Communication error. ● ☆ ☆ ★ Condenser temperature sensor error. ● ☆ ☆ ☆ ★... - Page 86 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 ◆ Communication error Communication error Check whether the wire between outdoor, Connect wire well. indoor and wired controller is well. Check whether the wired controller is Connect wire well. power on. Check whether the wired controller is Replace the wired controller.
- Page 87 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series ◆ System low pressure protection ◆ Three times low pressure protections within 1 hour System low pressure protection Check whether low pressure switch is Insert it well connected well or correctly. Check whether the low pressure switch is Replace the pressure switch.
- Page 88 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 ◆ System high pressure protection System high pressure protection Check whether the wiring is connected well Connect it well. or correctly. Check whether the high pressure switch is Replace pressure switch. broken. Shortly connect high pressure switch socket, Replace pressure switch.
- Page 89 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series ◆ Hi-temperature protection of compressor discharger Discharge temperature protection Check whether the compressor discharge temp. more than 130℃. Check whether connection is right between Connect it correctly. discharge temperature sensor and PCB. Check the discharge temperature sensor is Replace the sensor.
- Page 90 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 ◆ Current overload protection Current overload protection. Check whether the input current of the power Replace the PCB of outdoor supply wire is more than 16A. unit. Check whether the outdoor ambient It is normal, the unit will stop.
-
Page 91: Maintenance Of Indoor Unit
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 11. Maintenance ⟡ Operation required before leaving the unit idle for a long period. • Let the air conditioner run in the fan mode for about half a day, and let its interior be fully dry. -
Page 92: Part. 7 Controller
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 Part. 7 Controller 1. Wireless Remote Controller (Standard for floor-standing) 92 2. Wired Controller: KJR-29B (Standard for duct) 96 3.Centralized Controller: MD-CCM03(A) (Optional) -
Page 93: Remote Controller Specifications
MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 1. Wireless Remote Controller (Standard for floor-standing) 1.1 Remote controller specifications Model R51/E Rated Voltage 3.0V Lowest Voltage of CPU Emitting Signal 2.0V Reaching Distance 8m (when using 3.0 voltage, it Gets 11m) Environment Temperature Range -5°C ～... -
Page 94: Names And Functions Of Indicators On Remote Controller
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 4. RESET Button: When the RESET button is pushed, all of the current settings are cancelled and the control will return to the initial settings. 5. ECONOMIC RUNNING Button: Push this button to go into the Energy-Saving operation mode. - Page 95 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series The Remote Controller uses two alkaline dry batteries (R03/Ir03X2). ※ To install batteries, slide back the cover of the battery compartment and install the batteries according to the directions (+and -) shown on the Remote Controller.
- Page 96 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 and FAN mode. 5) TIMER Operation Push TIMER button to set the unit what time turn on or off. a. To set the STARTING time. ※ Push the CANCEL button to cancel any former settings.
- Page 97 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series appliances. 2. Wired Controller: KJR-29B (Standard for duct) KJR-29B/BK-E 2.1 Wired controller specifications Model KJR-29B/BK-E Power Supply Voltage 5.0V DC Ambient Temperature Range -15°C ～ 43°C Ambient Humidity Range RH40%~RH90% Performance Features 1. Operating mode: Cool, heat, dry, fan and auto.
- Page 98 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 2.2 Wired controller outlook 2.3 Operation instructions 1) Remote signal receiving function: The wired controller can be a remote signal receiving device, it is possible to use the wireless remote controller to control the air conditioner through the wired controller when the system have been powered on.
- Page 99 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series Auto Notes: Under AUTO and DRY modes the fan speed is not adjustable and the default fan speed is auto. 5) Temperature setting Under AUTO, COOL, DRY, HEAT modes, press the temperature setting buttons set the temperature, the adjusting range is 17ºC~30 ºC (or 62 ºF~88 ºF).
-
Page 100: Installation Of Wired Controller
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 8) Quiet operation Under COOL, HEAT, FAN modes, press the button to set into the quiet operation, it is used to reduce the running noise through setting the fan speed to low. Notes: Under AUTO, DRY mode, the fan speed is auto and the button does not work. - Page 101 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series ◆ Installation by other persons may lead to imperfect installation, electric shock or fire. Improper installation may lead to electric shock or fire. A random disassembly may cause abnormal operation or heating, which may result in fire.
- Page 102 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 ✔ Wiring principle sketch: ✔ Wiring figure: Connect two terminals of embedded 4-core shielding wire with the switching wires of wired controller and signal receiving board. Make sure the sequence of 4 terminals (A, B, C and D) should correspond...
- Page 103 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series If the embedded 4-core shielding wire cannot go through the wired controller, it can use signal switching for connection, make sure the wires are reliable and firm. The tightening torque range of screw is: 0.8~1.2N·m (8~12kgf·cm).
- Page 104 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 Use cross head screws to fix the wired controller bottom cover in the electrical box through the screw bar. Make sure the wired controller bottom cover is on the same level after installation, and then install the wired controller back to the bottom cover.
- Page 105 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series ✔ Wired controller’s front cover installation: After adjusting the front cover and then buckle the front cover. Avoid clamping the communication switching wire during installation. Correct install the back cover and firmly buckle the front cover and back over, otherwise will make the front cover drop off.
-
Page 106: Centralized Controller: Md-Ccm03(A) (Optional)
MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 The parameter setting table Second code First Function code Cooling-only/Heat pump Coolin Heat pump (Default) selection g only Indoor unit communication Yes (Default) None address setting Power-off memory Yes (Default) None Cancel the reminding... - Page 107 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series conditioner will be locked or unlocked. The operation mode is: If the single-machine setting is selected, the operation is performed for the air conditioner of the current address only. If the remote controller of the air conditioner is locked currently, issue the lock command;...
- Page 108 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 operation mode, no effect will result after the key is pressed. In the main page, press the key to enter the query mode. By default, it is the first in-service air conditioner. : In the query mode, every time when pressing the key, the operation status data of the previous air conditioner will be displayed.
- Page 109 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 13) TIME ON/TIME OFF: In setting operation mode, press them to set the timing startup of air conditioner. Press them again to exit the timing setting, and restore the normal temperature regulation operation mode.
- Page 110 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 1. The matrix is composed of 4×16 grids and each grid is composed of two blocks of different sizes. 2.The matrix include horizontal coordinates 00-15 and vertical coordinates 00+, 16+, 32+ and 48+, which indicate the address of the indoor unit.
- Page 111 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series 2) Keywords and general function description: ✔ Power on or reset: When the centralized controller is powered on or reset, all display segments of the LCD are luminous for 2 seconds and then goes off. 1 second later, the system enters the normal display status. The centralized controller is in the main page display status and displays the first page, and searches the in-service air conditioners in the network.
- Page 112 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 After the mode locking command is received, the command is forwarded to the air conditioner, and the centralized controller displays the mode locking flag. After the command of unlocking is received, the non-conflict mode can be selected freely. The centralized controller can also lock modes of all indoor units.
- Page 113 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series ✔ In case of air conditioner fault or protection, the corresponding fault code or protection, the corresponding fault code or protection code can be displayed. ✔ Liquid crystal matrix display description: The liquid crystal matrix is composed of 4×16 grids, and each grid is composed of two blocks of different sizes.
- Page 114 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 ✔ Description of the query page The LCD displays the query page, and the air conditioner with the address of 08 is being queried. Mode of the air conditioner with the address 01 is cooling, high speed air supply, swing on, indoor temperature 22°C, setting temperature 20°C and cooling mode locked.
- Page 115 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series ✔ Fault code table: Fault code Fault content Other faults Outdoor unit fault protection Over-current of compressor (4 times) Fault of communication between main board and display board EEPROM error Zero crossing detection error...
- Page 116 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 1) The installation of network interface module Outlook of MD-NIM01 The first green lighter: Ready indicator. When the module and controller is connected rightly, the lighter will be on; otherwise, it will be off. If the unit is in the status of locking remote controller and locking mode, the lighter will flash.
- Page 117 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series Open the front panel of the centralized controller by screwdriver as the following picture: (Unit: mm) According to size of the hole in controller body, fix the controller on the place as needed. (Unit: mm)
- Page 118 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707 3) The wire connection...
- Page 119 MCAC-UTSM-201707 MDV R410A T1 50Hz Top-discharge Series Correct connection Incorrect connection Incorrect connection Incorrect connection 4) System wiring instruction ✔ Wiring diagram of building network air conditioning system Wiring diagram with good communication effect Wiring diagram with poor communication effect (not recommended because it may lead to poor communication ✔...
- Page 120 MDV R410A T1 50Hz Top-discharge Series MCAC-UTSM-201707...
Need help?
Do you have a question about the MDTB-76HWN1 and is the answer not in the manual?
Questions and answers