Daikin VRV IV-S RXTQ-TAVJU Series, Service Manual

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SiUS331604E
Table of Contents iv
6.11 Heater Control (FXTQ) ............................................................................... 67
6.12 4 Step Thermostat Processing (FXTQ) ...................................................... 69
6.13 Interlocked with External Equipment (FXTQ) ............................................. 70
Part 5 Field Setting ........................................................................ 72
1. Test Operation ..........................................................................................73
1.1 Check Work Prior to Turning Power Supply ON ........................................ 73
1.2 Turn Power ON .......................................................................................... 73
1.3 Test Operation............................................................................................ 74
1.4 Error Codes and Corresponding Measures................................................ 77
1.5 When Turning ON Power First Time .......................................................... 79
1.6 When Turning ON Power the Second Time and Subsequent .................... 79
1.7 When an Indoor Unit or Outdoor Unit has been Added,
or Indoor or Outdoor Unit PCB has been Changed.................................... 79
2. Field Setting from Remote Controller........................................................ 80
2.1 Wired Remote Controller — BRC1E73 ...................................................... 80
2.2 Wireless Remote Controller ....................................................................... 82
2.3 Setting Contents and Code No. for Indoor Units ........................................ 83
2.4 Outdoor-Air Processing Unit - Field Setting (Remote Controller) ............... 96
2.5 Field Setting of Operation Control Mode .................................................... 96
3. Field Setting from Outdoor Unit................................................................. 99
3.1 Capacity Setting ......................................................................................... 99
3.2 Setting Mode and Monitor Mode .............................................................. 100
3.3 Setting Mode 1 ......................................................................................... 101
3.4 Setting Mode 2 ......................................................................................... 103
3.5 Monitor Mode ........................................................................................... 107
3.6 Setting of Low Noise Operation and Demand Operation ......................... 109
3.7 Setting of Refrigerant Recovery Mode ..................................................... 112
3.8 Setting of Vacuuming Mode ..................................................................... 112
3.9 Check Operation ...................................................................................... 113
3.10 Setting of Auxiliary Heater Control ........................................................... 114
3.11 Setting of Heat Pump Lockout and Emergency Heat Mode..................... 115
Part 6 Service Diagnosis.............................................................. 117
1. Servicing Items to be Confirmed .............................................................119
1.1 Troubleshooting........................................................................................ 119
1.2 Precautions for Maintenance.................................................................... 119
1.3 Refrigerant Properties (R-410A)............................................................... 120
2. Symptom-based Troubleshooting ........................................................... 121
2.1 Indoor Unit Overall ................................................................................... 121
2.2 With the Optional Infrared Floor Sensor ................................................... 124
3. Service Check Function ..........................................................................125
3.1 Wired Remote Controller.......................................................................... 125
3.2 Wireless Remote Controller ..................................................................... 127
3.3 Error Codes and Descriptions .................................................................. 129
3.4 Error Code Indication by Outdoor Unit PCB............................................. 131