Daikin VRV W T-Series Installation Manual

Also see for RWEQ120TAYCU: Operation manual Installation manual

Contents

7 ConfigurationInstallation manual40RWEQ96~432TAYCUVRV W T-Series water-cooled system air conditioner4P540122-1B – 2018.11[2-74]Heat rejection cancellation setting temperature.If the unit internal temperature is higher than the zero energydissipation setting temperature, the zero energy dissipation controlwill start and cool down the unit.[2-74] Description0 77°F (25°C)1 80.6°F (27°C)2 84.2°F (29°C)3 (default) 87.8°F (31°C)4 91.4°F (33°C)5 95°F (35°C)6 98.6°F (37°C)7 102.2°F (39°C)[2-81]Cooling comfort setting.This setting is used in conjunction with setting [2-8].[2-81] Cooling comfort setting0 Eco1 (default) Mild2 Quick3 Powerful[2-82]Heating comfort setting.This setting is used in conjunction with setting [2-9].[2-82] Heating comfort setting0 Eco1 (default) Mild2 Quick3 PowerfulHeat pump lockout[2-16]Heat pump lockout 1.Heat pump is always locked out when this setting is ON. If the indoor fan control needs to be changed or the auto-backup function is required,refer to the setting [2-37].[2-16] Heat pump lockout 10 (default) OFF1 ON[2-37]Heat pump lockout 2.Heat pump is locked out when this setting and an external input to ABC terminal are made.[2-37] Heat pump lockout 20 (default) OFF1 Mode 12 Mode 2Mode DescriptionActionsField setting ShortedbetweenHeating Thermo-on Heating Thermo-offHeater Fan Heater FanMode 1 Lockout is controlled by anexternal input to ABCterminal2-37: Mode 1 A-C ON ON (H/L) OFF LL (*2)B-C OFFMode 2(*1)2-37: Mode 2 A-C LL LL (*2)B-C OFF OFF*1. For a heater which does not need airflow*2. Depends on the indoor unit field setting 12(22)-3.Automatic lockoutWhen this setting is made, the auto-backup function willautomatically be activated. This will allow the auxiliary or secondaryheat source to be automatically activated in the event of a systemfailure related to outside units.Error codes capable of auto-backup are listed in the table below.Please be aware that the error codes that are not listed do not auto-backup in order to protect the unit.Error code (Autobackup possible) Error contentsA3 Drain level control system abnormalityE3 Actuation of high pressure switchE4 Actuation of low pressure sensorE5 Inverter compressor motor lockE9 Electronic expansion valve coil abnormalityF3 Discharge pipe temperature abnormalityF9 Branch Selector unit electronic expansion valveabnormality