Daikin RXYLQ10T7Y1B Series

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Installation and operation manual

VRV IV system air conditioner

English

Installation and operation manual

VRV IV system air conditioner

RXMLQ8T7Y1B*

RXYLQ10T7Y1B*

RXYLQ12T7Y1B*

RXYLQ14T7Y1B*

Main Page

Table of Contents4
For the User6
User Safety Instructions6
General7
Instructions for Safe Operation7
About the System8
System Layout9
User Interface9
Operation9
Operation Range9
Operating the System9
About Operating the System9
About Cooling, Heating, Fan Only, and Automatic Operation9
About the Heating Operation9
To Operate the System (WITHOUT Cool/Heat Changeover Remote Control Switch)9
To Operate the System (with Cool/Heat Changeover Remote Control Switch)9
Using the Dry Program10
About the Dry Program10
To Use the Dry Program (WITHOUT Cool/Heat Changeover Remote Control Switch)10
To Use the Dry Program (with Cool/Heat Changeover Remote Control Switch)10
Adjusting the Air Flow Direction10
About the Air Flow Flap10
Setting the Master User Interface11
About Setting the Master User Interface11
Maintenance and Service11
About the Refrigerant11
After-Sales Service and Warranty11
Warranty Period11
Recommended Maintenance and Inspection11
Troubleshooting12
Error Codes: Overview12
Symptom: White Mist Comes out of a Unit (Indoor Unit)14
Symptom: White Mist Comes out of a Unit (Indoor Unit, Outdoor Unit)14
Symptom: the User Interface Reads "U4" or "U5" and Stops, but then Restarts after a few Minutes14
Symptom: Noise of Air Conditioners (Indoor Unit)14
Outdoor Unit)14
Symptom: Noise of Air Conditioners (Outdoor Unit)14
Symptom: Dust Comes out of the Unit14
Symptom: the Units Can Give off Odours14
Symptom: the Outdoor Unit Fan Does Not Spin14
Symptom: the Display Shows "8814
For the Installer15
About the Box15
About15
To Remove the Accessories from the Outdoor Unit15
Accessory Pipes: Diameters15
To Remove the Transportation Stay15
About the Units and Options15
About the Outdoor Unit15
System Layout16
Unit Installation16
Preparing the Installation Site16
Installation Site Requirements of the Outdoor Unit16
Additional Installation Site Requirements of the Outdoor Unit in Cold Climates16
Opening the Unit16
To Open the Outdoor Unit16
To Open the Electrical Component Box of the Outdoor Unit17
Mounting the Outdoor Unit17
To Provide the Installation Structure17
Piping Installation17
Preparing Refrigerant Piping17
Refrigerant Piping Requirements17
To Select the Piping Size18
To Select Refrigerant Branch Kits19
Multiple Outdoor Units: Possible Layouts19
Connecting the Refrigerant Piping20
To Route the Refrigerant Piping20
To Connect the Refrigerant Piping to the Outdoor Unit20
To Connect the Multi Connection Piping Kit20
To Connect the Refrigerant Branching Kit21
To Protect against Contamination21
Using the Stop Valve and Service Port21
To Remove the Spun Pipes22
Checking the Refrigerant Piping22
About Checking the Refrigerant Piping22
Checking Refrigerant Piping: General Guidelines23
Checking Refrigerant Piping: Setup23
To Perform a Leak Test23
To Perform Vacuum Drying23
To Insulate the Refrigerant Piping24
Charging Refrigerant24
Precautions When Charging Refrigerant24
About Charging Refrigerant24
To Determine the Additional Refrigerant Amount24
To Charge Refrigerant: Flow Chart25
To Charge Refrigerant26
Step 6: to Manually Charge Refrigerant27
Checks after Charging Refrigerant27
To Fix the Fluorinated Greenhouse Gases Label27
Electrical Installation27
About Electrical Compliance27
Safety Device Requirements28
Field Wiring: Overview28
To Route and Fix the Transmission Wiring28
To Connect the Transmission Wiring29
To Finish the Transmission Wiring29
To Route and Fix the Power Supply29
To Connect the Power Supply29
To Check the Insulation Resistance of the Compressor30
Configuration30
Making Field Settings30
About Making Field Settings30
Field Setting Components31
To Access the Field Setting Components31
To Access Mode 1 or 231
To Use Mode 132
To Use Mode 232
Mode 1: Monitoring Settings32
Mode 2: Field Settings32
To Connect the PC Configurator to the Outdoor Unit33
Commissioning33
Precautions When Commissioning33
Checklist before Commissioning33
About the Test Run34
To Perform a Test Run34
Correcting after Abnormal Completion of the Test Run35
Hand-Over to the User35
Troubleshooting35
Solving Problems Based on Error Codes35
Error Codes: Overview35
Technical Data38
Service Space: Outdoor Unit38
Piping Diagram: Outdoor Unit40
Wiring Diagram: Outdoor Unit40
Disposal41

Brand	Daikin
Model	RXYLQ10T7Y1B Series
Category	Heat Pump
Language	English

Daikin RXYLQ10T7Y1B Series - User Manual

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