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- Page 1 Split-type Air-Conditioner MXZ-4E80VAD MXZ-5E100VAD For INSTALLER Installation Manual • This manual only describes the installation of outdoor unit. English When installing the indoor unit, refer to the installation manual of indoor unit.
- Page 2 Power Rated Fre- per indoor unit / per indoor unit / adjustment outdoor con- difference Voltage quency capacity supply necting wire A *10 for multi-system for multi system MXZ-4E80VAD 25 m / 70 m 25 / 70 3-core 4-core 230 V 50 Hz 25 A 15 m 20 g/m 2.5 mm 1.0 / 1.5 mm MXZ-5E100VAD 25 m / 80 m 25 / 80 *1 Connect to the power switch which has a gap of 3 mm or more when open to *9 If the outdoor unit is installed higher than the indoor unit, max. height dif- interrupt the source power phase. (When the power switch is shut off, it must...
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Page 3: Selecting The Installation Location
1-3. SELECTING OPTIONAL DIFFERENT-DIAMETER JOINTS If the diameter of connection pipe does not match the port size of outdoor unit, use optional different-diameter joints according to the following table. (Unit: mm (inch)) Optional different-diameter joints (port size of outdoor unit → diameter of connection pipe) MXZ- MXZ- 6.35 (1/4) → 9.52 (3/8) : PAC-493PI Liquid / Gas 4E80VAD 5E100VAD 9.52 (3/8) → 12.7 (1/2) : MAC-A454JP 9.52 (3/8) → 15.88 (5/8) : PAC-SG76RJ A UNIT 6.35 (1/4) / 12.7 (1/2) 12.7 (1/2) → 9.52 (3/8) : MAC-A455JP 12.7 (1/2) → 15.88 (5/8) : MAC-A456JP B - D B - E UNIT 6.35 (1/4) / 9.52 (3/8) Refer to the installation manual of indoor unit for the diameter of connection pipe of indoor unit. UNIT 1-4. SELECTING THE INSTALLATION LOCATION • Where it is not exposed to strong wind. -
Page 4: Installation Diagram
1-5. INSTALLATION DIAGRAM ACCESSORIES After the leak test, apply insulat- Check the following parts before installation. ing material tightly so that there is no gap. (1) Drain socket (2) Drain cap When the piping is to be attached to a wall containing metals (tin plated) or metal netting, use a chemically PARTS TO BE PROVIDED AT YOUR SITE treated wooden piece 20 mm or thicker between the wall and the (A) Power supply cord* piping or wrap 7 to 8 turns of insula-... -
Page 5: Outdoor Unit Installation
5E100VAD indoor/outdoor unit connecting wire (B), be sure to fix both cable and wire with cable clamps. Service panel Screws Connecting order • Connect the terminal block in following order. MXZ-5E100VAD A → B → C → D → E → P → DR A → B → C → D → P → DR MXZ-4E80VAD Terminal block for DRED interface Power supply Terminal block for indoor/outdoor unit Wire-to-wire connector En-4... -
Page 6: Flaring Work And Pipe Connection
15 mm AS/NZS4755 Terminal block for 35 mm power supply terminal block Terminal block Terminal block 1 2 3 C Lead wire INDOOR / Model OUTDOOR UNIT MXZ-5E100VAD A – E POWER SUPPLY MXZ-4E80VAD ~/N 230 V 50 Hz A – D Terminal block Terminal block 1 : DRM 1 2 : DRM 2 3 : DRM 3 C : COMMON <INDOOR UNIT> This unit has demand response capability which is compliant with AS/NZS 4755.3.1. To activate this function, you need to make a contract with remote agents such as electric supply company, then this unit should be connected to Demand response enabling devise (DRED). For further information, consult your dealer. This unit supports 3 Demand Response Modes (DRMs): DRM1, DRM2 and DRM3. CAUTION • To prevent malfunction caused by noise, route the cord connecting this unit to DRED and the power supply cord as parallel as possible. • Do not connect the demand control transmission cable to the terminal block for power supply. • Do not pull, extremely bend or apply strong pressure on the wire to prevent failure. -
Page 7: Purging Procedures, Leak Test, And Test Run
To maintain the high pressure of the gas cylinder, warm the gas cylinder with warm water (under 40°C) during cold season. But never use naked fire or steam. Refrigerant gas cylinder for R410A with siphon Model Indoor unit Refrigerant (liquid) MXZ-5E100VAD A – E MXZ-4E80VAD A – D Electronic scale for refrigerant charging 4-3. LOCKING THE OPERATION MODE OF THE AIR CONDITIONER (COOL, DRY, HEAT) • Description of the function: With this function, once the operation mode is locked to either COOL/DRY mode or HEAT mode, the air conditioner operates in that mode only. * Changing the setting is required to activate this function. Please explain about this function to your customers and ask them whether they want to use it. -
Page 8: Pumping Down
4-4. LOWERING THE OPERATION NOISE OF THE OUTDOOR UNIT • Description of the function: With this function, the operating noise of the outdoor unit can be lowered by reducing the operation load, for example, during nighttime in COOL mode. However, please note that the cooling and heating capacity may lower if this function is activated. * Changing the setting is required to activate this function. Please explain about this function to your customers and ask them whether they want to use it. [How to lower the operating noise] 1) Be sure to turn off the main power for the air conditioner before making the setting. 2) Set the “5” of SW1 on the outdoor controller board to ON to enable this function. 1 2 3 4 5 6 3) Turn on the main power for the air conditioner. Lower the operating noise 4-5. - Page 12 HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN WG79A696H02...