INVERTER MULTI-SPLIT SYSTEM ROOM AIR ... - BVT Partners OÃ

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2.5 Selection chartCorrect the cooling and heating capacity in accordance with the conditions as follows. The net cooling and heating capacity can beobtained in the following way.Net capacity = Capacity shown on specification × Correction factors as follows.(1) Coefficient of cooling and heating capacity in relation to temperatures1.31.2CoolingMUL1.1Coefficient of cooling &Heating capacity inrelation to temperature1.00.90.8Heating0.70.6Applicable rangeCooling operationOutdoor air D.B.temperature˚CD. B.4340353025202624Heating operationIndoor air D.B.temperatureCD. B.˚0-5-10-15302520151014 16 18Indoor air W.B. temperature˚C W.B.Depends on installed situation20 22ISO-T1 Standard Condition-15-10-50 5 10 15ISO-T1 Standard ConditionOutdoor air W.B. temperature˚C W.B.(2) Correction of cooling and heating capacity in relation to one way length of refrigerant pipingIt is necessary to correct the cooling and heating capacity in relation to the one way piping length between the indoor and outdoorunits.Piping length [m]CoolingHeating71.01.0100.991.0150.9751.0200.9651.0250.951.0(3) Correction relative to frosting on outdoor heat exchanger during heatingIn additions to the foregoing corrections (1), (2) the heating capacity needs to be adjusted also with respect to the frosting on theoutdoor heat exchanger.Air inlet temperature ofoutdoor unit in ºCWB-10-9-7-5-3-1135Adjustment coefficient0.950.940.930.910.880.860.870.921.00- 35 -
3 ELECTRICAL DATAMeaning of marks• Outdoor UnitSymbolCMFMOLEEVA ~ D20SParts nameCompressor motorFan motorReactorElectronic expansion valve4 way valve (coil)SymbolTho-ATho-RTho-DTho-CParts nameSensor (outdoor air temp.)Sensor (outdoor H.X temp.)Sensor (discharge pipe temp.)Sensor (suction pipe temp.)• Indoor UnitFMISMLM1, 2ZNRFDMSymbolParts nameFan motorFlap motorLouver motorVaristorFuseDrain motorSymbolFSTrThI-AThI-R1ThI-R2Parts nameFloat switchTransformerSensor (room temp.)Sensor (indoor H.X temp.)Sensor (indoor H.X temp.)3.1 Electrical wiring(1) Indoor unitModels SKM20ZG-S, 22ZG-S, 25ZG-S, 28ZG-S, 35ZG-S, 50ZG-SY/GTBHEATEXCHANGERRDWHBK32/N1Power line(Outdoor unit)WHBKRDY/GFMISMLM1LM2555BLYLWHBKRD654 CNU31CNMCNXCNYN52C-4ZNRUF250V 3.15ACNEJGPRINTED CIRCUITBOARDCNG CNFColor symbolBKBLRDWHYLY/GBlackBlueRedWhiteYellowYellow/Green8 2 22DISPLAYWIRELESSR-AMPBACK UP SWThI-A ThI-R1 ThI-R2- 36 -
Page 7: Models SKM60ZG-S, 71ZG-SItemModelSK
Page 13 and 14: (3) Operation data¡ The combinatio
Page 15 and 16: 1room2room3roomModel SCM48ZG-S(a) H
Page 17 and 18: 1room2room3roomModel SCM60ZG-S(a) H
Page 19 and 20: 1room2room3roomModel SCM60ZG-S(b) C
Page 21 and 22: Model SCM80ZG-S(a) Heating1room2roo
Page 23 and 24: Model SCM80ZG-S(a) HeatingIndoor un
Page 25 and 26: Model SCM80ZG-S(b) Cooling1room2roo
Page 27 and 28: Model SCM80ZG-S(b) CoolingIndoor un
Page 29 and 30: 2.2 Range of usage & limitationsIte
Page 31 and 32: Models STM25ZF-S, 35ZF-S, 50ZF-S, 6
Page 33 and 34: Gas line(ø9.52)Outdoor unitService
Page 35 and 36: Gas line(ø9.52 )(ø9.52 )Outdoor U
Page 37: Outdoor UnitCooling cycleHeating cy
Page 41 and 42: Models STM25ZF-S, 35ZF-S, 50ZF-S, 6
Page 43 and 44: - 40 -Power Source1 Phase220-240V 5
Page 45 and 46: - 42 -Power Source1 Phase220-240V 5
Page 47 and 48: STM, SRRM modelS Operation sectionF
Page 49 and 50: 4.2 Unit ON/OFF buttonWhen the remo
Page 51 and 52: 4.5 Custom cord switching procedure
Page 53 and 54: S STM modelControl the flap by AIRF
Page 55 and 56: 4.9 Timer operation(1) Comfortable
Page 57 and 58: (b) SCM60ZG-S◆SKM modelModelFan s
Page 59 and 60: (5) Defrosting(a) When the followin
Page 61 and 62: (b) SCM60ZG-S◆ SKM modelModelFan
Page 63 and 64: 4.13 Outline of automatic operation
Page 65 and 66: 4.15 External control (remote displ
Page 67 and 68: (3) Dew condensation prevention con
Page 69 and 70: (9) Cooling low outdoor temperature
Page 71 and 72: (15) Compressor overheat protection
Page 73 and 74: 5 APPLICATION DATASAFETY PRECAUTION
Page 75 and 76: 2) Drilling of holes and fixture of
Page 77 and 78: 5) Fixing of indoor unitInstallatio
Page 79 and 80: 1) Connect the connection wire secu
Page 81 and 82: Piping sideC. Attaching the panel1)
Page 83 and 84: 3) Preparations for the Main FrameM
Page 85 and 86: 5.3 Installation of outdoor unit(1)
Page 87 and 88: 5.5 Refrigerant Piping(1) LimitThe
Page 89 and 90:
(5) Heat insulation for jointsSKM,
Page 91 and 92:
6 MAINTENANCE DATA6.1 Troubleshooti
Page 93 and 94:
Indoor unitindicatorRUNlightTIMERli
Page 95 and 96:
Current cut[Open phase on compresso
Page 97 and 98:
Outdoor fan motor error[Defective f
Page 99 and 100:
(6) How to make sure of remote cont
Page 101 and 102:
(b) Outdoor unit inspection pointsS
Page 103 and 104:
SSCM60ZG-SCAUTION - HIGH VOLTAGEHig
Page 105 and 106:
◆ Power transistor inspection pro
Page 107 and 108:
7 OPTIONAL PARTS7.1 Interface kit (
Page 109 and 110:
(6) Installation of interface kitAc
Page 111 and 112:
Wired remote control connectionPlea
Page 113 and 114:
Interface installationInstall the i
Page 115 and 116:
(1) Wired remote control connection
Page 117 and 118:
(3) Setting functions using the wir
Page 119 and 120:
When “I/U FUNCTION ” is selecte
Page 121 and 122:
• If the RESET button is pressed
Page 123 and 124:
(4) Installation(a)AccessoriesPrint
Page 125 and 126:
(2) Rear inlet filter set(a) Part N
Page 127 and 128:
(4) Drain up kit(a) Part No. : RDU1
Page 129 and 130:
8 REFRIGERANT PIPING INSTALLATION/S
Page 131 and 132:
(2) JointsFor copper pipes, flare j
Page 133 and 134:
Table 8. Flare and flare nut dimens
Page 135 and 136:
(3) Fluxa) Reasons for the use of f
Page 137 and 138:
(1) Tools exclusive for R410Aa) Gau
Page 139 and 140:
8.3.2 New installation work (when u
Page 141 and 142:
8.3.6 Refrigerant recharging at ser
Page 143 and 144:
) Charge hose (pressure resistant h
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