Hitachi RAS-5HVRNM1E User manual

UTOPIA DC-INVERTER IVX/ES SERIES
H(V)RN(1)(S)(1)(E)
H(V)RNM(1)(E)
Service Manual
RAS-(3-6)HVRNM(1)E
RAS-(4-12)HRNM(1)(E)
RAS-(2-3)HVRN(1)(E)(S)
RAS-(4-6)HVRNS1E
RAS-(8/10)HRNSE

Index
Index
i
SMGB0060 rev. 1- 12/2010
General information 1
Unit Installation 2
Piping work and refrigerant charge 3
Electrical Wiring 4
Control System 5
Optional functions 6
Test Run 7
Troubleshooting 8
Spare Parts 9
Servicing 10
Electrical checks of main parts 11
Maintenace notes 12

Index
ii
SMGB0060 rev. 1- 12/2010

Index
1General information......................................................................................... 1
1.1 General information.................................................................................................................... 2
1.1.1 Copyright..................................................................................................................................... 2
1.1.2 Introduction................................................................................................................................. 2
1.1.3 Environment-friendly units.......................................................................................................... 2
1.2 Safety......................................................................................................................................... 3
1.2.1 Applied symbols.......................................................................................................................... 3
1.3 Product guide ............................................................................................................................ 4
1.3.1 Classification of IVX series outdoor unit models......................................................................... 4
1.3.2 Classification of ES series outdoor unit models.......................................................................... 4
1.3.3 Product guide: Outdoor units...................................................................................................... 5
1.3.4 Accessory code list..................................................................................................................... 6
2Unit Installation................................................................................................ 7
2.1 Safety summary......................................................................................................................... 8
2.2 Transportation of outdoor unit.................................................................................................... 9
2.3 Center of gravity......................................................................................................................... 10
2.4 Factory-supplied accessories for RAS-(8-12)HRNM.................................................................. 11
2.5 Installation space (Initial ckeck).................................................................................................. 12
2.5.1 RAS-(2-3)HVRN(1)(E)(S)............................................................................................................ 12
2.5.2 RAS-(3-6)H(V)RNM(1)E / RAS-(4-10)HVRNS(1)E..................................................................... 16
2.5.3 RAS-(8-12)HRNM....................................................................................................................... 20
2.6 Place provision........................................................................................................................... 22
2.6.1 Place provision for RAS-(3-12)H(V)RNM(1)(E) and RAS-(4-10)H(V)RNS(1)E.......................... 22
2.6.2 Place provision only for RAS-(2-3)HVRN(1)(E)(S)..................................................................... 25
2.7 Optional parts and installation.................................................................................................... 28
2.7.1 Optional parts and installation for RAS-(2-3)HVRN(1)(E)(S)...................................................... 28
2.7.2 Optional parts and installation RAS-3HVRNME / RAS-(4-6)HVRNS1E..................................... 33
2.7.3 Optional parts and installation RAS-(4-6)H(V)RNM1E / RAS-(8/10)HRNSE.............................. 37
2.7.4 Optional parts and installation RAS-(8-12)HRNM....................................................................... 42
3Piping work and refrigerant charge............................................................... 49
3.1 General notes............................................................................................................................. 50
3.2 Piping work connection considerations...................................................................................... 52
3.2.1 Piping Materials.......................................................................................................................... 52
3.2.2 Three principles on refrigerant piping work................................................................................. 54
3.2.3 Suspension of refrigerant piping................................................................................................. 54
3.2.4 Brazing work............................................................................................................................... 55
3.2.5 Refrigerant charge...................................................................................................................... 56
3.2.6 Caution of the pressure by check joint........................................................................................ 56
3.2.7 Refrigerant charge quantity......................................................................................................... 57
3.2.8 Pump down refrigerant................................................................................................................ 59
3.3 Outdoor Units IVX Series........................................................................................................... 60
3.3.1 Piping connection........................................................................................................................ 60
3.3.2 Refrigerant piping length............................................................................................................. 65
3.3.3 Refrigerant piping selection........................................................................................................ 66
Index
iii
SMGB0060 rev. 1- 12/2010