Daikin VRV Inverter K Series Manuals

Manuals and User Guides for Daikin VRV Inverter K Series. We have 1 Daikin VRV Inverter K Series manual available for free PDF download: Manual

Daikin VRV Inverter K Series Manual (413 pages)

Brand: Daikin | Category: Air Conditioner | Size: 16.61 MB

Safety Cautions
9
Inspection after Repair
11
Using Icons
12
Using Icons List
12
Preface
13
General Information
15
Series Introduction
16
Nomenclature
16
Outdoor Unit
17
Indoor/Outdoor Unit Combinations
18
Outline of System
19
Easily Recognizable Features of the "K" Series
19
VRV System Inverter K Series System Outline
19
Changes in K Series Functions / Parts
20
Changes in the System as a Whole
20
Transmission between Outdoor Units
21
VRV System Inverter K Series
21
Changes in Indoor Units
22
Changes in Outdoor Units
22
Compatibility of Old and New VRV System Inverter
23
Functions Inverter K Series
25
Functions
26
Outdoor Unit Refrigerant System Diagram
26
Function of Thermistors and Pressure Sensors
40
List of Safety Devices and Functinal Parts Setting Values
41
Safety for Restart
42
Restart Safety Timer
42
Soft Start
42
Pump down Start
43
Heating Lay-Up Start
43
Equalized Oil Level Operation
44
Oil Return Operation
45
Compressor Operation Frequency
45
Opening of the Electronic Expansion Valve
45
Fan and Solenoid Valve
45
Defrost
46
Heating Pump down Residual Operation
47
High Pressure (Hp) Control
49
Low Pressure (Lp) Control
49
Discharge Pipe Temperature (Td) Control
49
Inverter Current Control
50
Discharge Super Heating (DSH) Control
50
Control According to Outdoor Temperature
50
Control During Low Outdoor Air Temperature Cooling
51
Low Outdoor Air Cooling in Conditions
51
Low Noise Control
53
Demand Control
54
Compressor Capacity Control
55
Te / Tc Setting
57
Gas Depletion Alarm
58
When Cooling
58
When Heating
58
Drain Pump Control
59
When the Float Switch Is Tripped During Heating Operation
60
Oil Temperature Sensor
61
Prevention of Wetness During Heating
61
Prevention of Oil Dilution During Defrost
61
Louver Control for Preventing Ceiling Dirt
62
Thermostat Sensor in Remote Controller
63
Freeze Prevention
65
Test Operation Inverter K Series
67
When Power Is Turned on
68
When Turning Power on the First Time
68
When Turning Power on after the First Time
68
Outdoor Unit PC Board Ass’y
69
Setting Modes
71
Mode Changing Procedure
71
Setting Items
73
Monitor Mode
75
Monitor Mode Data
76
Sequential Start
77
Power Supply Wiring
77
Wiring
77
External Control Adaptor for Outdoor Unit
78
System Examples
79
Switch Settings on the Adaptor PCB
79
Outdoor Unit PCB Settings
80
Cool / Heat Mode Selection
81
Low Noise / Demand Operation
86
Demand / Low Noise Input
87
Input Signal
87
Wiring Check Operation
88
Indoor Unit PCB Ass’y
89
Remote Controllers (Wired and Wireless)
90
Applicable Remote Controller Models (Wired Type)
91
Applicable Wireless Remote Controller Models
93
Control by Remote Controller
95
Indoor Field Setting
97
Wired Remote Controller
97
Wireless Remote Controller
97
Setting Contents and Code No.
98
Centralized Control Group No. Setting
99
Setting of Master Remote Controller
101
Remote Controller Self-Diagnosis Function
103
Remote Controller Service Mode
107
Model Change of Centralized Control Devices
109
When Using Model a Centralized Control Device
110
When Using Model B Centralized Control Device
111
Central Remote Controller (DCS302A51 / DCS302B61)
112
System Configuration
112
Central Remote Controller Part Names and Functions
114
Control Wiring
115
Wiring Outline
115
Contents of Control Modes
117
Unified ON/OFF Controller
119
Wiring for Transmission
120
Schedule Timer (DST301A51 / DST301B61)
122
System Configuration and Electrical Wiring
122
Schedule Timer Part Names and Functions
124
Combining Different Types of Centralized Control Devices
126
Example of DCS302A51 / DCS301A51/ DST301A51 Systems
126
Connection for Optional Controller for Centralized Control
127
Electric Wiring
128
Operation Flowcharts
133
Indoor Unit Operation Flowchart
133
Outdoor Unit Operation Flowchart
138
Diagnosis by Malfunction Code
142
Failure Diagnosis
143
Inverter Failure Diagnosis
143
Failure Diagnosis for Optional Controllers for Centralized Control
143
Troubleshooting
144
Indoor Unit: Error of External Protection Device
144
Indoor Unit: PC Board Defect
145
Indoor Unit: Malfunction of Drain Level Control System (33H)
146
Indoor Unit: Fan Motor (M1F) Lock, Overload
147
Indoor Unit: Malfunction of Swing Flap Motor (M1S)
148
Indoor Unit: Drain Level above Limit
150
Indoor Unit: Malfunction of Capacity Determination Device
150
Indoor Unit: Malfunction of Thermistor (R2T) for Liquid Pipe
151
Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes
151
Indoor Unit: Malfunction of Thermistor (R1T) for Air Inlet
152
Indoor Unit: Malfunction of Thermostat Sensor in Remote Controller
152
Outdoor Unit: Actuation of Safety Device
153
Outdoor Unit: PC Board Defect
153
Outdoor Unit: Actuation of High Pressure Switch
154
Outdoor Unit: Actuation of Low Pressure Switch
155
Outdoor Unit: Abnormal Discharge Pipe Temperature
157
Outdoor Unit: Malfunction of Thermistor for Outdoor Air (R1T)
158
Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R3T
158
Outdoor Unit: Malfunction of Thermistor (R4T) for Suction Pipe
159
Outdoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger
159
Outdoor Unit: Malfunction of Discharge Pipe Pressure Sensor
160
Outdoor Unit: Malfunction of Suction Pipe Pressure Sensor
161
Outdoor Unit: Malfunction of Oil Temperature Thermistor (R5T)
162
Negative Phase, Open Phase
164
Malfunction of Transmission between Indoor Units
165
Malfunction of Transmission between Remote Controller and Indoor Unit
166
Malfunction of Transmission between Outdoor Units
167
Excessive Number of Indoor Units
170
Address Duplication of Central Remote Controller
170
Refrigerant System Not Set, Incompatible Wiring/Piping
171
Malfunction of System, Refrigerant System Address Undefined
172
Failure Diagnosis for Inverter System
173
How to Use the Monitor Switch on the Inverter PC Board
174
Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise
175
Outdoor Unit: Inverter Instantaneous Over-Current
176
Outdoor Unit: Inverter Thermostat Sensor, Compressor Overload
177
Outdoor Unit: Inverter Stall Prevention, Compressor Lock
178
Power Supply Insufficient or Instantaneous Failure
180
Outdoor Unit: Inverter Over-Ripple Protection
182
PC Board Defect
184
Improper Combination of Optional Controllers for Centralized Control
185
Address Duplication, Improper Setting
186
Operation Lamp Blinks
191
Display “Under Host Computer Integrate Control” Blinks
192
Precautions When Replacing K Series PC Boards
195
Typical Wiring Mistakes
196
General Information PLUS Series
203
Features of the VRV PLUS Series
204
Improved Piping System
204
Dramatic Reduction of Wiring Saves Time and Labor When Installing
208
Less Wiring
208
System Outline
209
Heat Pump and Cooling Only System
209
Heat Recovery System
210
Indoor / Outdoor Unit Combinations
211
Heat Pump System
211
Functions PLUS Series
213
Outdoor Unit Refrigerant System Diagrams
214
List of Safety Devices and Functional Parts Setting Values
233
Outline of Control
234
Starting Control
234
Cooling Start Following Layup
235
Heating Pump down Start (for Heat Pump System)
236
Heating Power on Start (for Heat Pump System)
236
Heating Start Following Layup (for Heat Pump System)
237
Pressure Equalizing Control before Starting
238
Oil Return Control
239
Conditions for Executing Oil Control
239
Defrost (for Heat Pump System)
241
Conditions for Executing Defrost
241
Oil Equalization Control
242
Heating Pump down Residual Operation (for Heat Pump System)
246
Conditions for Pump down Residual Operation
246
Compressor Oil Temperature Protection Control
247
Low Pressure Protection Control Step
248
Low Pressure Protection Control
248
Low Pressure Protection Control (in Case of Cooling Only System)
249
High Pressure Control Step
250
Discharge Temperature Protection Control
251
Both Inverter and Standard Outdoor Units
251
Cooling Overload Control
252
Inverter Protection Control
252
Standby by Outdoor Temperature When Heating
252
Low Outdoor Temperature Control When Cooling
253
Backup Operation
257
Emergency Operation
258
Pump down Operation
262
In Case of Cooling Only System
263
Flow of Refrigerant in each Operating Mode
265
Normal Cooling
266
Normal Heating
267
Oil Return
268
Operation When Power Is Turned on
288
When Turning on Power for First Time
288
When Turning on Power the Second Time and Subsequent
288
Switch Settings According to Number of Outdoor Units
291
Functions of Pushbutton Switches
292
Mode Change
292
External Control Adaptor for Outdoor Units
301
Demand / Low Noise Control (Except for Cooling Only System)
302
Cool/Heat Mode Switching
304
Set Cool/Heat Separately for each Outdoor System by C/H SELECTOR
305
Troubleshooting for VRV PLUS Series
313
Actuation of Fin Thermal
337
Defect of Compressor Coil
338
Compressor Overload
339
Defect of Compressor
340
Power Supply Insufficient
342
Special Service Mode
345
Backup and Emergency Operation
346
Wiring Diagrams - Outdoor Unit
355
Inverter K Series - Heat Pump
357
2-Way Blow Ceiling Mounted Cassette
365
Wall Mounted Unit
375
Floor Standing Unit
376
Concealed Floor Standing Unit
377
Characteristics
378
Thermistor Resistance / Temperature Characteristics
378
Pressure Sensor Voltage Output / Detected Pressure Characteristics
380
Method of Replacing the Inverter's Power Transistors and Diode Modules
381
Method of Replacing the Inverter's Power Transistors and
381
Diode Module
382
Wiring Adaptor
383
Wiring to Outside (Host Computer Monitor Panel, Etc.)
385
Wiring Adaptor for Group Electrical Appendices
388
Part Names and Functions
388
Wiring to Outside
388
Applicable Models and Whether Mounting Box Is Required or Not
390
Adaptor for Wiring
391
Operation Display Fetch
392
Interface Adaptor for Skyair Series (DTA102A52)
393
Interface Adaptor for SKY AIR Series
394
Wiring Adaptor for Other Air Conditioners (DTA103A51)
395
Unification Adaptor for Computerized Control
401
Control Input (Unified ON/OFF Control)
402
Control Mode Switch (RS) Setting
403
Index
405
Drawings & Flow Charts
409

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