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121

Error of temperature sensor in the indoor unit (Open/Short)

Self-diagnosis of the indoor and outdoor unit

122

Error of the heat exchanger sensor in the indoor unit (Open/Short)

419

Error of electronic expansion valve open in the outdoor unit (when it is detected more
than once)

422

Error of electronic expansion valve close in the outdoor unit (when it is detected more
than once)

601

Error of communication between the indoor unit and the wired remote controller

Wired remote control errors

602

Master wired remote controller / slave wired remote controller

606

Polarity error (F1/F2, F3/F4 switched)

Error of setting option for wired remote controller COM2

Table 4.

Error codes for the C-series 4-way cassette indoor unit (continued)

Error

code

Explanation

Remarks

Содержание 4MUD4518A10N0A

Страница 1: ...alled 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 an...

Страница 2: ...In addition some states or municipalities may have additional requirements that must also be adhered to for responsible management of refrigerants Know the applicable laws and follow them WARNING Prop...

Страница 3: ...Insulation 17 Refrigerant Pipes 17 Drainage Hose 17 Wiring the Unit 18 Power Wiring 18 Communications Wiring 18 Configuration 20 Using the Technician Utilities Tool TUT 20 Using the Wireless Remote Co...

Страница 4: ...Connection type 5 Flare Digit 7 8 Nominal capacity Btu h x 1 000 18 18 000 Btu h 36 36 000 Btu h 24 24 000 Btu h 42 42 000 Btu h 30 30 000 Btu h 48 48 000 Btu h Digit 9 Major development sequence A Fi...

Страница 5: ...ely in the area to be cooled heated 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 tha...

Страница 6: ...20 6 18 157 Discharge side 5 4 2 1 3 12 60 320 9 92 252 5 20 132 2 99 76 5 67 144 3 94 x 2 7 87 200 Unit inch mm No Name Description 1 Liquid pipe connection 1 4 6 35 2 Gas pipe connection 18 MBH 1 2...

Страница 7: ...sition 10 94 278 air outlet duct flange 3 94 100 6 22 158 5 39 137 4 80 122 4MUD4530A10N0A 4MUD4536A10N0A 4MUD4542A10N0A 4MUD4548A10N0A Unit inch mm No Name Description 1 Liquid pipe connection 3 8 9...

Страница 8: ...ment could result in minor to moderate injury Unit width A W 3 94 100 B 19 7 500 0 78 20 0 78 20 Unit depth D Ceiling Unit Note If the unit is installed in a ceiling that does not have removable tiles...

Страница 9: ...unting it Use the following guidelines D B C A Unit inch mm Indoor unit model Insulation A and B C and D 4MUD4518A10N0A 45 3 1150 x 12 6 320 18 9 480 x 12 6 320 4MUD4524A10N0A 4MUD4530A10N0A 47 2 1200...

Страница 10: ...marks 2 Determine the appropriate type of suspension bolts and anchors according to the ceiling type Insert bolt anchors into existing ceiling supports A or construct a suitable support B A B Ceiling...

Страница 11: ...it To purge 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 f...

Страница 12: ...3002 28 psi 20 700 kPa Copper pipe for hydro sanitary applications is unsuitable For sizing and limits height difference line length maximum bends refrigerant charge and so on see the outdoor unit in...

Страница 13: ...e end of the pipe that you flared should look like the end of a trumpet See examples of correctly and incorrectly flared pipes Inclined Damaged surface Uneven thickness Correct Cracked 8 Align the pip...

Страница 14: ...dry nitrogen for pressurizing units Failure to follow these recommendations could result in death or serious injury or equipment or property only damage Do not exceed unit nameplate design pressures...

Страница 15: ...cting the drain hose Drain hose port Drain hose port Drain hose Drain connection 8 Wrap the insulation supplied around the drain hose and clamp the connection as tightly as possible until you can see...

Страница 16: ...f the installation requires more than three indoor units install the main air vent at the front of the indoor unit that is farthest from the main drain It may be necessary to install individual air ve...

Страница 17: ...sulation tightly to pipe Do not wrap the gas and liquid refrigerant pipes together Avoid compressing the insulation as much as possible Be sure there are no cracks or deformities in the insulation at...

Страница 18: ...unit will stop and an error code will be generated Connect the power cable to the auxiliary circuit breaker An all pole disconnection from the power supply must be incorporated in the field wiring 1...

Страница 19: ...utdoor unit Communication cable Grounding Disconnect Circuit breaker Figure 2 Wiring terminals 1 L 2 N 1 2 V1 V2 F3 F4 F2 F1 1 L 2 N N L L1 L2 L1 L2 L1 L2 Indoor unit Main power cable Cable clamp Outd...

Страница 20: ...Tool TUT follow this 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...

Страница 21: ...ol Dry and ON OFF icons as shown below See The 2 Digit Segments for more detailed information Digits 2 and 3 Digits 4 and 5 Digits 6 and 8 and so on through digits 23 and 24 Note Digits 1 7 13 and 19...

Страница 22: ...igure 4 to set the wireless remote to Installation Option 1 Figure 4 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 changed They...

Страница 23: ...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 be chan...

Страница 24: ...3 Not available Factory set to 0 24 Not 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 indoo...

Страница 25: ...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 heating The unit will operate automatically in Defrost mode for 1...

Страница 26: ...7 C If the outdoor temperature drops to 32 F 0 C or below the heating capacity can be reduced depending on the temperature condition 4 F 20 C to 75 F 24 C 81 F 27 C or less Drying 0 F 18 C to 115 F 4...

Страница 27: ...wipe the surface of the unit as needed If necessary use mild soap and water on a damp cloth Use a soft brush to remove dirt from the coil NOTICE Avoid equipment damage and risk of fire Avoid using be...

Страница 28: ...internal damage Table 2 Maintenance schedule Description Monthly Every 4 months Once a year As needed Clean the air filter a a The described operations should be performed more frequently if the area...

Страница 29: ...ion Verify the origin of the odor Operate the unit in Fan mode or open the windows to air out the room The unit makes a bubbling sound A bubbling sound may be heard when the refrigerant is circulating...

Страница 30: ...ce 422 Errorof electronic expansion valveclose in the outdoor unit whenitisdetectedmore than once 601 Error of communication between the indoor unit and the wired remote controller Wired remote contro...

Страница 31: ...ed 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 product Company s obligations and liabilities u...

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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