Daikin VRV plus Manual

Si-95TOC.fm Page i Tuesday, April 11, 2000 2:19 PM
Si-95
1. Introduction .............................................................................................v
Part1 General Information Inverter K Series ..............................1
1. Outline.....................................................................................................2
Part2 Functions Inverter K Series ...............................................5
1. Functions.................................................................................................6
Part3 Test Operation Inverter K Series.....................................41
1. Test Operation ......................................................................................42

Table of Contents

Inverter K Series
1.1 Safety Cautions ....................................................................................... v
1.2 PREFACE................................................................................................ix
1.1 System Outline ........................................................................................ 2
1.2 Allowed Range of Indoor Unit and BS Unit Connection .......................... 3
1.1 Outdoor Unit Refrigerant Diagrams ......................................................... 6
1.2 List of Safety Devices and Functional Parts Setting Values.................... 9
1.3 Flow of Refrigerant in Each Operation Mode ........................................ 10
1.4 Outline of Control................................................................................... 15
1.5 Safety for Restart................................................................................... 17
1.6 Equalized Oil Level Operation
(Equalized Oil Level between Twin Compressors)................................ 19
1.7 Oil Return Operation.............................................................................. 20
1.8 Defrost ................................................................................................... 21
1.9 Pressure Equalization Control ............................................................... 23
1.10 Frequency Limit Control by Pressure Equalization................................ 24
1.11 BS Changeover Control......................................................................... 25
1.12 Pump Down Residual Operation ........................................................... 26
1.13 Step Down / Safety Control → Standby (Forced Thermostat OFF) →
Stop Due to Malfunction ........................................................................ 27
1.14 Low Noise Control ................................................................................. 29
1.15 Demand Control .................................................................................... 30
1.16 Compressor Capacity Control ............................................................... 31
1.17 Te / Tc Setting ....................................................................................... 32
1.18 Gas Depletion Alarm ............................................................................. 33
1.19 Drain Pump Control ............................................................................... 34
1.20 Louver Control for Preventing Ceiling Dirt ............................................. 36
1.21 Thermostat Sensor in Remote Controller .............................................. 37
1.22 Freeze Prevention ................................................................................. 39
1.1 When Power is Turned On .................................................................... 42
1.2 Outdoor Unit PC Board Ass'y ................................................................ 43
1.3 Setting Modes........................................................................................ 45
1.4 Sequential Start ..................................................................................... 51
1.5 External Control Adaptor for Outdoor Units (DTA104A61 DTA104A62) 52
Series
i