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Technibel CAFM Series, Technical Data Manual

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Technibel CAFM Series Technical Data Manual Download Page 62

3

3 

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Mini Multiset Unit Specifications

1.  Outdoor Unit

Model

Sound Pressure Level
Cooling

Condition

Octave Band Level (dB)*

* 0 dB = 0.0002 

∝

bar

Frequency at center of sound pressure band (Hz)

GRFMI506R5I 

Front             52 dB (A)
Quiet Mode   49 dB (A)

Front

Quiet Mode

1 m in front at height of 1.5 m

10

20

30

40

50

60

70

80

NC – 70

NC – 60

NC – 50

NC – 40

NC – 30

NC – 20

63

125

250

500

1000

2000

4000

8000

90

Approximate
minimum audible
limit for continuous
noise

Overall

GRFMI506R5I 

Summary of Contents for CAFM Series

Page 1: ...April 2008 MINI MULTISET V R F DC INVERTER R410A TECHNICAL DATA OUTDOOR UNITS ...

Page 2: ... KFM184R KFM254R KFMNC74R KFMNC94R KFMNC124R KFMNC184R KFMNC254R KPAPM75R KPAFM95R KPAPM125R KPAFM165R KPAFM185R KPAFM225R SDAFM76R SDAFM96R SDAFM126R SDAFM166R SDAFM186R SDAFM226R Outdoor units Optional controllers Refrigerant R410A is used in the Outdoor units GRFMI DC Inverter Unit GRFMI306R5I GRFMI406R5I GRFMI506R5I Wired Remote Controller K70D036Z Wireless Remote Controller for CAFM type K70D...

Page 3: ...ion points and a possible fire hazard When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause drippi...

Page 4: ...by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant com pared to conventional individual air conditioners If a single unit of the multi air conditioner system is to be installed in a small room select a suitable model and installation procedure so that if the refrigerant acci dentally leaks out its density d...

Page 5: ...dress Setting 4 9 2 5 Caution for Pump Down 4 16 2 6 Meaning of Alarm Messages 4 16 3 Electrical Wiring 4 18 3 1 General Precautions on Wiring 4 18 3 2 Recommended Wire Length and Wire Diameter for Power Supply System 4 18 3 3 Wiring System Diagram 4 19 4 Installation Standards 4 22 4 1 Check of Density Limit 4 22 4 2 Precautions for Installation Using New Refrigerant 4 23 3 Mini Multiset unit spe...

Page 6: ...1 1 1 Outline of Mini Multiset Contents 1 Outiline of Mini Multiset 1 Line up 1 2 ...

Page 7: ...200 12 5 42 700 17 6 60 000 Outdoor Unit GRFMI306R5I GRFMI306R5I GRFMI406R5I GRFMI406R5I GRFMI506R5I GRFMI506R5I DC inverter unit 170 340 296 20 10 380 405 10 15 66 150 940 Wind direction 219 13 13 13 13 70 110 36 60 110 130 198 141 600 573 173 81 71 1230 18 120 140 167 197 168 121 72 Wind direction Wind direction 99 20 60 Wind direction ...

Page 8: ...2 2 1 Design of Mini Multiset 2 Design of Mini Multiset 1 Model Selecting and Capacity Calculator 2 2 2 System Design 2 13 3 Installation Instructions 2 25 4 Electrical Wiring 2 34 ...

Page 9: ...perating Range 10 10 15 5 0 5 10 15 20 25 30 35 40 45 Indoor air intake temp C WB Outdoor air intake temp C DB 15 14 43 20 25 30 Operating range 10 15 20 10 5 0 5 10 15 20 25 Indoor air intake temp C DB Outdoor air intake temp C WB 15 20 25 30 35 Operating range Cooling Heating ...

Page 10: ...oor outdoor capacity ratio based on the corrected outdoor unit capacity and the total corrected capacity of all indoor units in the same system Use the result to calculate the capacity correction coefficient for the indoor units 2 4 2 8 Multiply the corrected capacity of each indoor unit by the capacity correction coefficient to calcu late the actual capacity for each indoor unit 2 6 Recheck of th...

Page 11: ... From the graph of capacity characteristics on page 2 8 use the indoor temperature to find the capacity correc tion coefficient 2 Capacity distribution ratio based on the indoor unit tubing length and elevation difference First in the same way as for the outdoor unit use the tubing length and elevation difference for each indoor unit to find the correction coefficient from the graph of capacity ch...

Page 12: ... cooling capacity of each indoor unit 5 In other words the correction coefficient 6 based on the corrected indoor outdoor capacity ratios for each indoor unit is 1 If the corrected outdoor unit cooling capacity is less than the total corrected unit cooling capacity of all indoor units in that system Ruc 1 then Actual cooling capacity of each indoor unit 7 Corrected cooling capacity of each indoor ...

Page 13: ... 4 1 5 1 6 1 7 1 8 1 9 2 0 Indoor unit capacity correction coefficient Corrected indoor outdoor capacity ratio Ruc or Ruh Note When Ruc or Ruh is less than or equal to 1 0 the indoor unit capacity correction coefficient for both Ruc and Ruh is 1 0 5 Graph of capacity correction coefficients Graph of outdoor unit capacity characteristics 1 1 Outdoor unit cooling capacity characteristics 10 120 22WB...

Page 14: ...10 100 90 80 70 60 50 40 15 20 25 C DB GRFMI306R5I C DB 130 120 110 100 90 80 70 60 50 40 15 20 25 GRFMI506R5I 130 120 110 100 90 80 70 60 50 40 15 20 25 C DB Outdoor unit heating capacity characteristics Outdoor air intake temp C DB 0 20 15 10 5 0 5 10 15 Outdoor air intake temp C DB 0 20 15 10 5 0 5 10 15 Outdoor air intake temp C DB 0 20 15 10 5 0 5 10 15 Outdoor intake air 20 15 10 8 6 5 4 2 1...

Page 15: ...p C DB 120 110 100 90 80 110 105 100 95 90 14 15 16 17 18 19 20 21 22 23 24 25 15 16 17 18 19 20 21 22 23 24 25 26 27 100 98 96 94 92 90 88 86 84 82 80 78 76 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Cooling Base capacity change rate Elevation difference m Equivalent length m 50 40 30 20 10 0 10 20 30 40 97 96 95 94 93 92 91 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Heating B...

Page 16: ...c temperature conditions can be found from the graphs below and next page 10 120 22WB 19WB 16WB 100 80 35 38 43 80 90 100 104 1 2 1 2 2 GRFMI506R5I 1 GRFMI306R5I GRFMI406R5I 2 GRFMI506R5I 1 GRFMI306R5I GRFMI406R5I 10 22WB 19WB 16WB 100 50 35 38 43 100 63 33 108 100 104 92 114 118 124 50 112 1 1 2 2 2 Capacity ratio Outdoor air intake temp C DB Capacity ratio Outdoor air intake temp C DB COOLING ...

Page 17: ...B 130 120 110 100 90 80 70 60 50 40 130 120 110 100 90 80 70 60 50 15 20 25 15 20 25 20 15 10 5 0 5 10 15 C DB GRFMI306R5I C DB Outdoor air intake temp C DB 130 120 110 100 90 80 70 60 50 40 130 120 110 100 90 80 70 60 50 15 20 25 15 20 25 20 15 10 5 0 5 10 15 GRFMI506R5I Outdoor air intake temp C DB 130 120 110 100 90 80 70 60 50 40 130 120 110 100 90 80 70 60 50 15 20 25 15 20 25 20 15 10 5 0 5 ...

Page 18: ... Base capacity change rate 94 100 98 96 Inverter model rated performance values Cooling Heating Item Model SPW GRFMI306R5I GRFMI406R5I GRFMI506R5I Cooling capacity kW Power consumption kW Heating capacity kW Power consumption kW 11 2 14 0 15 5 2 76 3 83 4 57 12 5 16 0 17 6 2 88 3 90 4 58 Outdoor unit heating capacity correction coefficient during frosting defrosting 1 3 To calculate the heating ca...

Page 19: ... L1 exceeds 90 m equivalent length increase the tubing size of the main gas tube LM by one rank The size increase is applied to the gas tube only In addition for a 6 HP unit it is not necessary to increase the tubing size Increasing the tubing size of the gas tubes can reduce the loss of capacity caused by longer tubing lengths Refer to Table 1 to increase the tubing size However the maximum allow...

Page 20: ...dles to secure refrigerant tubing 6 Scale for weighing 2 3 Type of Copper Tube and Insulation Material If you wish to purchase these materials separately from a local source you will need 1 Deoxidized annealed copper tube for refrigerant tubing 2 Foamed polyethylene insulation for copper tubes as required to precise length of tubing Wall thickness of the insulation should be not less than 8 mm 3 U...

Page 21: ...equivalent length of joints Table 2 5 Straight Equivalent Length of Joints Table 2 4 Indoor Unit Tubing Connection 1 2 n 1 mm ø15 88 ø9 52 Unit mm ø6 35 ø12 7 Gas tubing mm Liquid tubing Indoor unit type 22 28 36 45 56 73 106 140 ø9 52 ø15 88 ø9 52 ø12 7 mm mm 7 1 2 5 hp 7 1 2 5 hp 11 2 4 hp 14 0 5 hp ø19 05 15 5 6 hp Below kW Over kW Total capacity after distribution Tubing size Gas tubing Liquid...

Page 22: ...ons Table 2 9 System Limitations Number of max connectable indoor units Outdoor units Type 306 6 406 8 506 9 Max allowable indoor outdoor capacity ratio 50 130 Heat pump unit GRFMI306R5I 3 5 GRFMI306R5I 3 5 GRFMI406R5 3 5 GRFMI406R5 3 5 GRFMI506R5 3 5 GRFMI506R5 3 5 kg kg Cooling only unit 2 9 Tubing Length R410A distribution joint K70A056Z for indoor unit Note Do not use commercially available T ...

Page 23: ...e 30 1 2 n 1 Total max tubing length including length of 200 each distribution tube only liquid tubing H1 When outdoor unit is installed higher than indoor unit 50 When outdoor unit is installed lower than indoor unit 40 H2 Max difference between indoor units 15 L Length H Height Allowable tubing length Allowable elevation difference L1 WARNING Always check the gas den sity limit for the room in w...

Page 24: ...2 35 2 20 2 35 2 20 2 35 2 11 2 31 2 11 2 31 2 11 2 31 2 05 2 29 2 05 2 29 2 05 2 29 1 95 2 29 3 0 2 0 21 0 13 0 21 0 13 0 21 0 13 0 21 0 13 0 26 0 18 0 5 6 6 3 5 6 6 3 2 2 2 5 2 2 2 5 2 2 2 5 2 2 2 5 2 2 2 5 2 2 2 5 26 0 18 0 26 0 18 0 26 0 18 0 5 4 1 8 2 1 2 1 5 4 5 6 1 8 2 3 2 1 2 3 2 1 2 3 5 4 5 6 1 8 2 3 2 1 2 3 2 1 2 3 2 3 2 3 2 3 5 6 100 m 120 m 72 m 84 m 108 m 120 m 100 m 90 m 70 m 60 m Ou...

Page 25: ... 2 62 2 93 Outdoor unit Room 1 indoor unit 1 Room 2 indoor unit 2 Room 3 indoor unit 3 Room 4 indoor unit 4 Rated capacity 1 Model 2 Temp condition 3 Tubing length elevation difference Distribution ratio Correction coefficient 4 Frosting defrosting Result of 2 3 Correction coefficient applied to indoor unit 1 5 Corrected capacity kW 2 6 Correction coefficient for corrected capacity ratio 7 Actual ...

Page 26: ...ll valves must be in the fully open position Charge with R410A refrigerant in liquid form With R410A refrigerant charge while adjusting the amount being fed a little at a time in order to prevent liquid refrigerant from backing up After charging is completed turn all valves to the fully open position Replace the tubing covers as they were before Required additional refrigerant charge kg CAUTION 1 ...

Page 27: ...ount for each tubing size Note that the charge amounts per 1 meter are different for each liquid tubing size ø9 52 LA LB LC LD 65 m 0 056 kg m 3 64 kg ø6 35 1 2 3 4 5 23 m 0 026 kg m 0 598 kg Total 4 238 kg Additional refrigerant charge amount is 4 238 kg Be sure to check the limit densi ty for the room in which the indoor unit is installed CAUTION Example of each tubing length Main tubing Distrib...

Page 28: ...ate it within 40 cm of the distribu tion joint Consult with ARGO separately concerning the ball valve If a trap or ball valve is not added do not operate the system before repairs to a malfunctioning unit are completed The refrigerant oil sent through the tubing to the malfunctioning unit will accumulate and may damage the compressor 1 5 t o 3 0 B A B A Tube branching methods horizontal use Arrow ...

Page 29: ... cop per tube correction for pressure loss is not necessary 2 Airtightness must be 3 6 MPa or more It is recommended that the ball valve is installed at each outdoor unit gas tube and liquid tube in order to prevent refrigerant from being released into the atmosphere if the outdoor unit is eventually replaced NOTE Model No Gas tube Liquid tube BV RXP160AG 15 88 BV RXP56AG 12 7 9 52 6 35 Valve conn...

Page 30: ...ly the supplied flare nuts Be careful to use the correct tools and materials 2 Flare nut tightening The flare nut on the service port side is fully tight ened Recommended tightening torque is 8 10 N m If the valve is used for extension it can be used as is In all other cases use 2 monkey wrenches in combination to loosen the flare nut Outdoor unit Indoor Indoor unit Service port Ball valve Outdoor...

Page 31: ...ation of the location in advance Outdoor unit Distribution tube Distribution joint Main tube Ball valve for extension Less than 40 cm Indoor unit for extension Distribution tube Main tube Ball valve for extension Indoor unit for extension 3 Opening and closing the valve This valve is open at the time of shipment from the factory If the valve is used for extension be sure to close it 4 Installing t...

Page 32: ...evel to reduce humidity and protect the unit against possible water damage and decreased ser vice life Fig 2 9 use lug bolts or equal to bolt down unit reducing vibration and noise 4 1 2 3 1 More than 1 cm More than 100 cm More than 1 cm Inlet side C Inlet side More than 20 cm Outlet side field supply A B Ground Air direction chamber Obstruction above unit Obstruction on inlet side CAUTION Concern...

Page 33: ... proof ducting a The outdoor fan may not run and damage to the unit may occur b There may be no air flow c The tubing may freeze and burst d The condenser pressure may drop because of strong wind and the indoor unit may freeze 3 5 Precautions for Installation in Heavy Snow Areas 1 The platform should be higher than the max snow depth Fig 2 11 2 The 2 anchoring feet of the outdoor unit should be us...

Page 34: ... 70 544 25 25 569 1090 997 250 250 310 250 Unit mm 1 Unit front air discharge chamber 2 Unit left side air discharge chamber 3 Unit light side air discharge chamber 4 Reinforcement brackets 4 locations 110 660 170 13 13 340 405 380 10 15 20 20 13 68 544 300 Wind direction Wind direction 940 18 1230 Wind direction Wind direction Wind direction Wind direction 300 108 997 Wind direction Wind directio...

Page 35: ...stallation in lateral rows side by side 2 Multiple unit installation The top and both sides must remain open If there are obstacles to the front and rear of the outdoor unit the obstacle at either the front or rear must be no taller than the height of the outdoor unit 1 Single unit installation If an air discharge chamber is used the space shown below must be secured around the outdoor unit If the...

Page 36: ...ø 7 hole 3 8 Dimensions of Snow Ducting Reference diagram for snow proof vents field supply for GRFMI306 406 506R5I Unit mm 1 Unit top snow proof vent 2 Unit left side 3 Unit right side 4 Unit reverse side 5 Unit reverse side 6 Unit sides reinforcement brackets for snow proof vent 302 732 Wind direction Wind direction Wind direction Wind direction Wind direction Wind direction 1230 1209 940 632 40...

Page 37: ...lation 2 or more units Top is open Top is blocked by an obstacle Obstacle to the front of unit Outdoor unit GRFMI306 406 506R5I A B D C E F G 150 150 Outdoor unit K L GRFMI306 406 506R5I 500 150 200 300 300 150 200 Min C Min E Min F Min E Min E Min L Min B Min A Min D Min K Min G Obstacle to the rear of unit 1 Single unit installation 3 Multiple unit installation 2 or more units Top is open Note I...

Page 38: ...les to the front and rear of unit The top and both sides must remain open Either the obstacle to the front or the obstacle to the rear must be no taller than the height of the outdoor unit Dimension Q If a snow protection duct is attached after the unit is installed verify that dimension Q is 500 mm or more Dimension Q If a snow protection duct is attached after the unit is installed verify that d...

Page 39: ... with the rubber cap supplied with the drain socket For details refer to the instruction manual of the drain socket optional part 3 12 Routing the Tubing and Wiring The tubing and wiring can be extended out in 4 direc tions front rear right and down The service valves are housed inside the unit To access them remove the inspection panel To remove the inspection panel remove the 3 screws then slide...

Page 40: ...ufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes 7 Regulations on wire diameters differ from locality to locality For field wiring rules please refer to your LOCAL ELECTRICAL CODES before begin ning You must ensure that installation complies with all relevant rules and regulations 8 To prevent malfunction of the air conditi...

Page 41: ...e Diameter for Power Supply System for the explanation of A B C D and E in the above diagram 2 The basic connection diagram of the indoor unit shows the 7P terminal board so the terminal boards in your equipment may differ from the diagram 3 Refrigerant Circuit R C address should be set before turning the power on 4 Regarding the R C address setting refer to page 40 of the Installation Instruction...

Page 42: ...all outdoor units except any one of the outdoor units When shipping In shorted condition Otherwise the communication of S net link system is not performed For a system without link no con nection wiring between outdoor units do not remove the short plug 2 Do not install the inter unit control wiring in a way that forms a loop Fig 4 1 Outdoor unit Outdoor unit Outdoor unit Prohibited Prohibited Ind...

Page 43: ...xist Therefore ensure that all wiring is tightly connected When connecting each power wire to the terminal follow the instructions on How to connect wiring to the terminal and fasten the wire securely with the fix ing screw of the terminal plate How to connect wiring to the terminal For stranded wiring 1 Cut the wire end with cutting pliers then strip the insulation to expose the stranded wiring a...

Page 44: ...Unit Specifications Contents 3 Mini Multiset unit specifications 1 Outdoor Unit 1 1 Specifications 3 3 1 2 Major Component Specifications 3 9 1 3 Dimensional Data 3 15 1 4 Refrigerant Flow Diagram 3 16 1 5 Sound Data 3 17 ...

Page 45: ...control Electronic expansion valve Operation sound Hi dB A m ft m ft kg 67 51 External finish Power level Pressure level Galvanized steel plate with powder paint Outdoor unit is higher than indoor unit 50 164 Outdoor unit is lower than indoor unit 40 131 Refrigerant tube outer diameter Liquid tube mm in 9 52 3 8 Gas tube mm in 15 88 5 8 Limit of tubing length 150 492 Limit of elevation difference ...

Page 46: ...ectronic expansion valve Operation sound Hi dB A m ft m ft kg 67 51 External finish Power level Pressure level Galvanized steel plate with powder paint Outdoor unit is higher than indoor unit 50 164 Outdoor unit is lower than indoor unit 40 131 Refrigerant tube outer diameter Liquid tube mm in 9 52 3 8 Gas tube mm in 15 88 5 8 Limit of tubing length 150 492 Limit of elevation difference between th...

Page 47: ...ectronic expansion valve Operation sound Hi dB A m ft m ft kg 68 52 External finish Power level Pressure level Galvanized steel plate with powder paint Outdoor unit is higher than indoor unit 50 164 Outdoor unit is lower than indoor unit 40 131 Refrigerant tube outer diameter Liquid tube mm in 9 52 3 8 Gas tube mm in 19 05 3 4 Limit of tubing length 150 492 Limit of elevation difference between th...

Page 48: ...dB A m ft m ft kg 67 51 External finish Power level Pressure level Galvanized steel plate with powder paint Outdoor unit is higher than indoor unit 50 164 Outdoor unit is lower than indoor unit 40 131 Refrigerant tube outer diameter Liquid tube mm in 9 52 3 8 Gas tube mm in 15 88 5 8 Limit of tubing length 150 492 Limit of elevation difference between the 2 units Refrigerant tubing kit Joint kit O...

Page 49: ... m ft m ft kg 67 51 External finish Power level Pressure level Galvanized steel plate with powder paint Outdoor unit is higher than indoor unit 50 164 Outdoor unit is lower than indoor unit 40 131 Refrigerant tube outer diameter Liquid tube mm in 9 52 3 8 Gas tube mm in 15 88 5 8 Limit of tubing length 150 492 Limit of elevation difference between the 2 units Refrigerant tubing kit Joint kit Optio...

Page 50: ...dB A m ft m ft kg 68 52 External finish Power level Pressure level Galvanized steel plate with powder paint Outdoor unit is higher than indoor unit 50 164 Outdoor unit is lower than indoor unit 40 131 Refrigerant tube outer diameter Liquid tube mm in 9 52 3 8 Gas tube mm in 19 05 3 4 Limit of tubing length 150 492 Limit of elevation difference between the 2 units Refrigerant tubing kit Joint kit O...

Page 51: ...esistance V U 0 138 U W 0 138 W V 0 138 Ambient temperature 25 C Safety devices Thermal protector ON OFF Microprocessor safety devices Microprocessor safety devices Crank case heater Yes 8 250 800 UGBTEF 95STS503 504 90W Compressor current detection circuit Compressor discharge gas temperature control V W 240 25 High pressure switch Set pressure ON OFF Safety device Model Nominal output No of pole...

Page 52: ...8S cc 1 900 Coil resistance V U 0 138 U W 0 138 W V 0 138 Ambient temperature 25 C Safety devices Thermal protector ON OFF Microprocessor safety devices Microprocessor safety devices Crank case heater Yes 8 250 800 UGBTEF 95STS503 504 90W Compressor current detection circuit Compressor discharge gas temperature control V W 240 25 High pressure switch Set pressure ON OFF Safety device Model Nominal...

Page 53: ...8S cc 1 900 Coil resistance V U 0 138 U W 0 138 W V 0 138 Ambient temperature 25 C Safety devices Thermal protector ON OFF Microprocessor safety devices Microprocessor safety devices Crank case heater Yes 8 250 800 UGBTEF 95STS503 504 90W Compressor current detection circuit Compressor discharge gas temperature control V W 240 25 High pressure switch Set pressure ON OFF Safety device Model Nominal...

Page 54: ...l resistance V U 0 138 U W 0 138 W V 0 138 Ambient temperature 25 C Safety devices Thermal protector ON OFF Microprocessor safety devices Microprocessor safety devices Crank case heater Yes 8 250 800 UGBTEF 95STS503 504 90W Compressor current detection circuit Compressor discharge gas temperature control V W 240 25 High pressure switch Set pressure ON OFF Safety device Model Nominal output No of p...

Page 55: ...8S cc 1 900 Coil resistance V U 0 138 U W 0 138 W V 0 138 Ambient temperature 25 C Safety devices Thermal protector ON OFF Microprocessor safety devices Microprocessor safety devices Crank case heater Yes 8 250 800 UGBTEF 95STS503 504 90W Compressor current detection circuit Compressor discharge gas temperature control V W 240 25 High pressure switch Set pressure ON OFF Safety device Model Nominal...

Page 56: ...S cc 1 900 Coil resistance V U 0 138 U W 0 138 W V 0 138 Ambient temperature 25 C Safety devices Thermal protector ON OFF Microprocessor safety devices Microprocessor safety devices Crank case heater Yes 8 250 800 UGBTEF 95STS503 504 90W Compressor current detection circuit Compressor discharge gas temperature control V W 240 25 High pressure switch Set pressure ON OFF Safety device Model Nominal ...

Page 57: ...irection 8 2 3 9 99 20 6 5 60 7 4 Wind direction Installation anchoring hole 4 R6 5 anchor bolt M10 Refrigerant tubing liquid tube flared connection ø9 52 Refrigerant tubing gas tube flared connection ø15 88 Refrigerant tubing port Electrical wiring port ø3 8 Electrical wiring port ø2 9 Electrical wiring port ø1 9 Electrical wiring port ø1 6 Auxiliary connection tube ø15 88 to ø19 05 6 hp only 2 x...

Page 58: ...5I GRFMI506R5I Suction HP removal LP removal Connection diameter ø15 88 mm STF 0401G Cooling cycle Heating cycle Brazing BCuP 3 UKV 30D40 C 1 Outside air HPS Discharge Suction HP removal LP removal Connection diameter ø15 88 mm Cooling cycle Heating cycle Brazing BCuP 3 C 1 Outside air GRFMI306R5I GRFMI406R5I GRFMI506R5I ...

Page 59: ...ter of sound pressure band Hz GRFMI306R5I GRFMI406R5I 67 dB A Cooling 10 20 30 40 50 60 70 80 NC 70 NC 60 NC 50 NC 40 NC 30 NC 20 63 125 250 500 1000 2000 4000 8000 90 1 dBA A weighted sound power level A scale according to IEC 2 Reference acoustic intensity 0 dB 10 12 W m2 1 5 Sound Data 1 Sound Power Level GRFMI306R5I GRFMI406R5I ...

Page 60: ...ower Level dB GRFMI506R5I 68 dB A Cooling 10 20 30 40 50 60 70 80 NC 70 NC 60 NC 50 NC 40 NC 30 NC 20 63 125 250 500 1000 2000 4000 8000 90 Frequency at center of sound pressure band Hz 1 dBA A weighted sound power level A scale according to IEC 2 Reference acoustic intensity 0 dB 10 12 W m2 GRFMI506R5I ...

Page 61: ...und pressure band Hz GRFMI306R5I GRFMI406R5I Front 51 dB A Quiet Mode 48 dB A Front Quiet Mode 1 m in front at height of 1 5 m 10 20 30 40 50 60 70 80 NC 70 NC 60 NC 50 NC 40 NC 30 NC 20 63 Overall 125 250 500 1000 2000 4000 8000 90 Approximate minimum audible limit for continuous noise 1 Outdoor Unit 2 Sound Pressure Level GRFMI306R5I GRFMI406R5I ...

Page 62: ...dB 0 0002 bar Frequency at center of sound pressure band Hz GRFMI506R5I Front 52 dB A Quiet Mode 49 dB A Front Quiet Mode 1 m in front at height of 1 5 m 10 20 30 40 50 60 70 80 NC 70 NC 60 NC 50 NC 40 NC 30 NC 20 63 125 250 500 1000 2000 4000 8000 90 Approximate minimum audible limit for continuous noise Overall GRFMI506R5I ...

Page 63: ...4 Auto Address Setting 4 9 2 5 Caution for Pump Down 4 16 2 6 Meaning of Alarm Messages 4 16 3 Electrical Wiring 4 18 3 1 General Precautions on Wiring 4 18 3 2 Recommended Wire Length and Wire Diameter for Power Supply System 4 18 3 3 Wiring System Diagram 4 19 4 Installation Standards 4 22 4 1 Check of Density Limit 4 22 4 2 Precautions for Installation Using New Refrigerant 4 23 ...

Page 64: ... that both liquid and gas tube service valves on the outdoor unit are kept closed at this stage Leak test 1 Attach a manifold valve with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses 2 Pressurize the system to no more than 36 kgf cm2G with dry nitrogen gas and close the cylinder valve when the gauge reading reaches 36 kgf cm2G Then test for leaks with liquid ...

Page 65: ...en Then run the vacu um pump The operation time for evacuation varies with the tubing length and capacity of the pump The following table shows the amount of time for evacuation The required time in the above table is calculated based on the assumption that the ideal or target vacuum condition is less than 667 Pa 755 mm Hg 5 Torr 2 When the desired vacuum is reached close the Lo knob of the manifo...

Page 66: ...ully open the valve 3 Loosen the charge hose connected to the gas tube service port for ø7 94 mm tube slightly to release the pressure then remove the hose 4 Replace the service port cap on the gas tube ser vice port and fasten the cap securely with an mon key spanner or box wrench This process is very important to prevent gas from leaking from the system 5 Replace the valve caps at both gas tube ...

Page 67: ...e crankcase heater around the feet of the compressor should be hot to the touch Fig 5 7 5 Both the gas and liquid tube service valves are open If not open them now Fig 5 8 6 Request that the customer be present for the trial run Explain the contents of the instruction manual then have the customer actually operate the system 7 Be sure to give the instruction manual and warran ty certificate to the...

Page 68: ...PCB OFF Are LEDs 1 and 2 on the outdoor unit PCB OFF Set the unit address Set the No of outdoor units Set the No of indoor units Set the system address When multiple outdoor units exist disconnect the terminals extended from the shorted plugs CN33 at all outdoor unit PCBs except for 1 Alternatively move the sockets to the OPEN side Outdoor unit control PCB Unit No setting switch S004 Outdoor unit ...

Page 69: ...4 7 4 Test Run and Others 2 Test Run 2 3 Outdoor Unit PCB Setting CN51 CN50 D043 LED2 D042 LED1 S003 CN33 S002 S004 Fig 5 10 ...

Page 70: ...d Examples of the No of indoor units settings No of indoor units System address No Indoor unit setting S004 Rotary switch red System address S003 2P DIP switch blue System address S002 Rotary switch black System 1 factory setting 1 unit factory setting 2 units Set to 1 Set to 2 Set to 9 Set to 1 Set to 1 Set to 1 Set to 0 9 units System 11 System 21 System 30 Both OFF 1 ON 2 ON 1 2 ON 10 20 ...

Page 71: ...he number of indoor units that are connected to the outdoor unit to 8 on the outdoor unit control PCB set the No of indoor units rotary switch S004 to 8 3 Turn ON the power to the indoor and outdoor units 4 On the outdoor unit control PCB short circuit the automatic address pin CN51 for 1 second or longer then release it Communication for automatic address setting begins Automatic address setting ...

Page 72: ...pages Leave the socket that is used to open circuit the terminal plug CN33 6 S004 1 ON 1 2 ON OFF S003 S002 No 1 unit settings Unit No 1 Outdoor unit system 1 Unit No 1 Outdoor unit Indoor unit Remote controller Indoor unit Remote controller Inter unit control wiring Inter unit control wiring Remote controller communication wiring Remote controller cross over wiring S004 S003 S002 No 2 unit settin...

Page 73: ...N short circuit the automatic address pin CN51 for 1 second or longer then pull it out Communication for automatic address setting begins Automatic address setting is completed when LEDs 1 and 2 on the outdoor unit control PCB turn OFF 4 Next turn the power ON only for the indoor and outdoor units of the next different system Repeat steps 1 3 in the same way to complete automatic address settings ...

Page 74: ... for more than one system at the same time Communication for automatic address setting begins the compressors turn ON and automatic address setting in heating mode begins All indoor units operate Automatic address setting is completed when the compressors stop and LEDs 1 and 2 on the outdoor unit con trol PCB turn OFF 4 At the outdoor unit in the next different system short circuit the automatic a...

Page 75: ...door unit in the next different system short circuit the automatic address pin CN51 for 1 second or longer then pull it out Repeat the same steps to complete automatic address setting for all units 5 Operation from the remote controllers is now possible Automatic address setting in Cooling mode cannot be done from the remote controller Automatic Address Setting from the Remote Controller Selecting...

Page 76: ...s on the display Refer to Table of Self Diagnostic Functions and Description of Alarm Displays Note indicates that the solenoid is fused or that there is a CT current detection circuit failure current is detected when the compressor is OFF Display during automatic address setting On outdoor unit PCB When automatic address setting has been successfully completed both LEDs 1 and 2 turn OFF LED 1 is ...

Page 77: ...played for 1 of the indoor units which is connected to the remote controller Check that the fan of that indoor unit starts and that air is discharged 5 Press the button again and check the address of each indoor unit in sequence 6 Press the button again to return to normal remote controller mode Remote Controller Test Run Settings 1 Press the remote controller button for 4 seconds or longer Then p...

Page 78: ...ed indoor units is more than the number set Error of outdoor unit address setting Error of main indoor unit in receiving serial communication signal from sub indoor units Error of the outdoor unit in receiving serial communication signal from the indoor unit This alarm message shows that the auto address connector CN100 is shorted while other RC line is executing auto address operation No indoor u...

Page 79: ...rimary current is detected at a time other than when IPM has tripped Compressor running failure resulting from missing phase in the compressor wiring etc Start failure not caused by IPM or no gas IPM trip IPM current or temperature Compressor suction port temperature sensor TS Possible cause of malfunction Improper setting L03 L04 L05 L06 L07 L08 L09 L17 Duplication of main indoor unit address set...

Page 80: ...rer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes 7 Regulations on wire diameters differ from locality to locality For field wiring rules please refer to your LOCAL ELECTRICAL CODES before begin ning You must ensure that installation complies with all relevant rules and regulations 8 To prevent malfunction of the air conditioner c...

Page 81: ...mended Wire Length and Wire Diameter for Power Supply System for the explanation of A B C D and E in the above diagram 2 The basic connection diagram of the indoor unit shows the 7P terminal board so the terminal boards in your equipment may differ from the dia gram 3 Refrigerant Circuit R C address should be set before turning the power on 4 Regarding the R C address setting refer to page 5 8 Aut...

Page 82: ... from all outdoor units except any one of the outdoor units When shipping In shorted condition Otherwise the communication of S net link system is not performed For a system without link no con nection wiring between outdoor units do not remove the short plug 2 Do not install the inter unit control wiring in a way that forms a loop Fig 5 13 Outdoor unit Outdoor unit Outdoor unit Prohibited Prohibi...

Page 83: ...ay also exist Therefore ensure that all wiring is tightly connected When connecting each power wire to the terminal fol low the instructions on How to connect wiring to the terminal and fasten the wire securely with the fixing screw of the terminal plate How to connect wiring to the terminal For stranded wiring 1 Cut the wire end with cutting pliers then strip the insulation to expose the stranded...

Page 84: ...ontrol energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant com pared to conventional individual air conditioners If a single unit of the multi air conditioner system is to be installed in a small room select a suitable model and installation procedure so that if the refrigerant acci denta...

Page 85: ...re material must be changed Vacuum pump Yes Yes Use a conventional vacuum pump if it is equipped with a check valve If it has no check valve purchase and attach a vacuum pump adapter Leak detector Yes No Leak detectors for CFC and HCFC that react to chlorine do not function because R410A contains no chlorine Leak detector for HFC134a can be used for R410A Flaring oil Yes No For systems that use R2...

Page 86: ...st Run and Others 4 Installation Standards Valve Liquid 2 Use R410A exclusive cylinder only Single outlet valve with siphon tube Liquid refrigerant should be recharged with the cylinder standing on end as shown ...

Page 87: ...R D 28 Reyrieux BP 131 01601 Tré voux CEDEX France Té l 04 74 00 92 92 Fax 04 74 00 42 00 R C S Bourg en Bresse B 759 200 728 ...

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