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SAFETY WARNING

Only qualified personnel should install and service the equipment. The installation, starting up, and 
servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific 
knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person could 
result in death or serious injury. When working on the equipment, observe all precautions in the literature 
and on the tags, stickers, and labels that are attached to the equipment. 

Installation, Operation, 
and Maintenance

C-Series

Cassette Indoor Units

Models: 4MUC4518A10N0A, 4MUC4524A10NA, 4MUC4530A10N0A, 4MUC4536A10N0A, 4MUC4542A10N0A, 

4MUC4548A10N0A

May 2015

MS-SVX039A-EN

DB68-05139A(1)

Содержание 4MUC4518A10N0A

Страница 1: ...installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature and on the tags sticker...

Страница 2: ...nd to make changes to its content without obligation to notify any person of such revision or change Trademarks All trademarks referenced in this document are the trademarks of their respective owners...

Страница 3: ...Insulation 16 Refrigerant Pipes 16 Drainage Hose 16 Wiring the Unit 17 Power Wiring 17 Communications Wiring 17 Electrical Conduit Installation 19 Configuration 20 Using the Technician Utilities Tool...

Страница 4: ...11 Reserved for future use Digit 12 Region of sale Digit 13 Reserved for future use Digit 14 Minor design sequence 4 M U C 4 5 1 8 A 1 0 N 0 A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 4 R 410A M Mini split in...

Страница 5: ...ed Sufficient clearance must be maintained around the unit Condensate must be managed correctly and safety away from the unit The unit should be installed in a way that prevents unauthorized access Th...

Страница 6: ...4 57 370 13 6 346 7 28 185 13 330 9 5 240 10 6 270 11 8 300 Sub duct connection Unit inch mm Dimension Weight Diameter Model 4MUC4518A10N0A 4MUC4524A10N0A 4MUC4530A10N0A 4MUC4536A10N0A 4MUC4542A10N0A...

Страница 7: ...ng for Installation Service Clearances Clearance Model 4MUC4518A10N0A 4MUC4524A10N0A 4MUC4530A10N0A 4MUC4536A10N0A 4MUC4542A10N0A 4MUC4548A10N0A C 10 253 13 3 337 Obstruction 59 1500 minimum 0 79 20 0...

Страница 8: ...ocations 4 Screw two nuts to each suspension bolt leaving space between the nuts for hanging the unit Note If the suspension bolts are longer than 59 in 1 5 m or vibrations are a concern place isolato...

Страница 9: ...the unit unscrew the pinch pipes from the ends of both gas and liquid refrigerant pipes Make sure all gas has escaped before connecting the piping Note To prevent dirt or foreign objects from getting...

Страница 10: ...tallation manual All refrigerant connections must be accessible for servicing and maintenance Pipe Cutting Required tools Pipe cutter Reamer Pipe holder 1 Using a pipe cutter cut the pipe so that the...

Страница 11: ...pipes and tighten the flare nuts manually and then with a spanner torque wrench applying the torque according to pipe dimensions R 410A clutch type Conventional flare tool Clutch type Wing nut type 0...

Страница 12: ...efrigerant or other hazardous toxic or flammable gas may be leaking Refrigerant or other gases could displace available oxygen to breathe causing possible asphyxiation or other serious health risks So...

Страница 13: ...er depending on the unit type 2 Wrap the insulation supplied around the drain hose and clamp the connection as tightly as possible until you can see at least 8 holes 3 Install the drain pipe into the...

Страница 14: ...s necessary to set the drain hose at a sufficient slope installing a vertical drain pipe within 11 8 in 300 mm from the drain hose port see A If raised higher than 21 65 in 550 mm water leaks may resu...

Страница 15: ...below Testing the Drainage After completing the installation test the drainage to make sure there are no leaks 1 Operate the unit in cool mode 2 Remove drain pump cover 3 Squirt water into the drain p...

Страница 16: ...surface of the drain pipe that is inside the building including the connection between the drain hose and drain stub Clamp tightly Pipe Pipe size in mm Insulation Type Standard conditions 86 F 30 C 8...

Страница 17: ...nit s Use an appropriate screwdriver for tightening the terminal screws A screwdriver with a small head will strip the head and make proper tightening impossible Over tightening the terminal screws ma...

Страница 18: ...2 Wiring terminals Indoor unit Power cable Outdoor unit Communication cable Grounding Disconnect Circuit breaker 1 L 2 N N L L1 L2 L1 L2 L1 L2 Indoor unit Main power cable Cable clamp Outdoor unit Ind...

Страница 19: ...39A EN 19 Wiring the Unit Electrical Conduit Installation A conduit bracket must be installed to secure the conduit as illustrated in Figure 3 p 19 Figure 3 Conduit bracket installation 1 2 3 Push 4 5...

Страница 20: ...procedure 1 At the Indoor Unit Option Writer screen on the TUT select the desired option codes by referring to Table 1 p 23 2 Use the following table and notes to determine which digits can be modifie...

Страница 21: ...ion mode Auto Cool Dry and ON OFF icons as shown below See The 2 Digit Segments for more detailed information 3 To change the value of the left digit on the display press the Fan down button To change...

Страница 22: ...ed in Figure 5 to set the wireless remote to Installation Option 1 Figure 5 Two digit segments in the 24 digit sequence Notes 1 Digits 1 7 13 and 19 shown in green are factory set and cannot be change...

Страница 23: ...ailable Factory set to 0 4 Enable only when a remote temperature sensor is used 0 Disabled 1 Enabled 5 Central control 0 Disabled 1 Enabled 6 RPM up 0 Disabled 1 Enabled N A 7 Factory set to 1 Cannot...

Страница 24: ...available Factory set to 0 a Cassette type indoor units are set to Enabled 3 minute delay regardless of digit 8 setting b For heat pump systems the master indoor unit controls whether the system oper...

Страница 25: ...heating source in combination with the unit Defrost When the unit runs in Heat mode frost may form due to the temperature difference between the unit and the outside air If this happens The unit stops...

Страница 26: ...l fan will be off to prevent a cold air dump when the heat pump is in defrost mode Anti short cycle timer The compressor observes a 3 minute off time when cycling power to the unit or after an outage...

Страница 27: ...mounted to the grill to prevent it from dropping 2 Detach the grill by first removing the safety clip and then removing the hinge Pull the green switch on the hinge part down and then press and pull...

Страница 28: ...ged as a result of opening the grill cycle power to the unit to restore the blades to their proper angle Periodic Maintenance Checks Refer to the schedule given in Table 2 for proper unit maintenance...

Страница 29: ...hat the unit has not been installed in direct sunlight If so hang curtains or shades on windows to filter the sun and increase unit efficiency The fan speed does not change Verify that Auto or Dry mod...

Страница 30: ...code Explanation Remarks 416 Compressor down due to protection control of the discharge temperaturesensor Outdoor unit protection control 450 Error due to condenser temperature sensor when in cooling...

Страница 31: ...approved by Company refrigerant not supplied by Company and or lack of proper maintenance as recommended by Company Company shall not be obligated to pay for the cost of lost refrigerant or lost produ...

Страница 32: ...portfolio of advanced controls and HVAC systems comprehensive building services and parts For more information visit www IRCO com The manufacturer has a policy of continuous product and product data...

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