SiE-05C
Table of Contents
i
Inverter K Series
Series
1. Introduction . .......................................................................................... ix
1.1
Safety Cautions .......................................................................................ix
1.2
PREFACE. ............................................................................................ xiii
Part1
General Information
Inverter K Series .
..............................................................
1
1. Series Introduction . ................................................................................2
1.1
NOMENCLATURE . ................................................................................ 2
1.2
Indoor/Outdoor Unit Combinations . ........................................................ 4
2. Outline of System. ..................................................................................5
2.1
Easily Recognizable Features of the “K” Series ...................................... 5
2.2
Changes in K Series Functions / Parts. .................................................. 6
2.3
Compatibility of Old and New VRV System Inverter................................ 9
Part2
Functions
Inverter K Series .
.............................................................
11
1. Functions...............................................................................................12
1.1
Outdoor Unit Refrigerant System Diagram............................................ 12
1.2
Function of Thermistors and Pressure Sensors .................................... 26
1.3
List of Safety Devices and Functinal Parts Setting Values.................... 27
1.4
Safety for Restart. ................................................................................. 28
1.5
Equalized Oil Level Operation
(Equalized Oil Level between Twin Compressors)................................ 30
1.6
Oil Return Operation. ............................................................................ 31
1.7
Defrost . ................................................................................................. 32
1.8
Heating Pump Down Residual Operation.............................................. 33
1.9
Step Down / Safety Control
→
Standby (Forced Thermostat OFF)
→
Stop Due to Malfunction. .................................................................. 35
1.10 Control During Low Outdoor Air Temperature Cooling. ........................ 37
1.11 Low Noise Control . ............................................................................... 39
1.12 Demand Control . .................................................................................. 40
1.13 Compressor Capacity Control . ............................................................. 41
1.14 Te / Tc Setting . ..................................................................................... 43
1.15 Gas Depletion Alarm . ........................................................................... 44
1.16 Drain Pump Control . ............................................................................. 45
1.17 Oil Temperature Sensor (8 and 10 Hp only). ........................................ 47
1.18 Louver Control for Preventing Ceiling Dirt . ........................................... 48
1.19 Thermostat Sensor in Remote Controller . ............................................ 49
1.20 Freeze Prevention . ............................................................................... 51
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