Table of Contents
Advertisement
Quick Links
VRV W T-Series water-cooled system air conditioner
RWEQ96TAYCU
RWEQ120TAYCU
RWEQ144TAYCU
RWEQ192TAYCU
RWEQ216TAYCU
RWEQ240TAYCU
RWEQ264TAYCU
RWEQ288TAYCU
RWEQ312TAYCU
RWEQ336TAYCU
RWEQ360TAYCU
RWEQ384TAYCU
RWEQ408TAYCU
RWEQ432TAYCU
Read these instructions carefully before installation.
Keep this manual in a handy place for future reference.
This manual should be left with the equipment owner.
Installation manual
VRV W T-Series water-cooled system air conditioner
Climatiseur système refroidi par eau VRV W série T
Sistema de climatización condensado por agua VRV W serie T
Installation manual
Manuel d'installation
Manual de instalación
English
Français
Español
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Daikin VRV W T-Series
Summary of Contents for Daikin VRV W T-Series
- Page 1 Installation manual VRV W T-Series water-cooled system air conditioner RWEQ96TAYCU RWEQ120TAYCU RWEQ144TAYCU RWEQ192TAYCU RWEQ216TAYCU RWEQ240TAYCU RWEQ264TAYCU RWEQ288TAYCU RWEQ312TAYCU RWEQ336TAYCU RWEQ360TAYCU RWEQ384TAYCU RWEQ408TAYCU RWEQ432TAYCU Read these instructions carefully before installation. Keep this manual in a handy place for future reference. This manual should be left with the equipment owner.
-
Page 2: Table Of Contents
11.3 Piping diagram: Outside unit ............49 To insulate the refrigerant piping ..........25 11.4 Wiring diagram: Outside unit ............50 Charging refrigerant ..............25 5.6.1 Precautions when charging refrigerant ......25 Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 3: Safety Considerations
▪ After completing the installation work, check that the device is shorted and operated forcibly, or parts other refrigerant gas does not leak throughout the system. than those specified by Daikin are used, fire or explosion could result. ▪ Do not install unit in an area where flammable materials are present due to risk of explosions that will result in serious injury or death. -
Page 4: Inspection, Handling And Unpacking The Unit
72 hours of operation. for the tightness of the refrigerant piping installation. Make sure to use a DAIKIN specified checker while measuring sub Read the chapter Refrigerant Piping and follow the cooling. Do not use the check valve or the other port to measure it. -
Page 5: Opening The Unit
Accessories: Diameters Unit: inch (mm) Accessory pipes Øa Øb Øc Ød Liquid pipe 4× (12.7) (12.7) (12.7) (9.5) ▪ Front connection Øa Øb (12.7) ▪ Top connection Øc Ød RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 6: Method For Removing Shipping Plate
There is no heat release from the unit if the heat rejection cancellation is activated. It is recommended to always ventilate the room if this function is not activated. Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 7: Identification Label: Outside Unit
(10°C) and 113°F (45°C). Use of antifreeze/brine will allow extension Cool/heat selector of operating ranges to 14°F (–10°C) in heating and 23°F (–5°C) in Water system connection cooling. RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 8: Combining Units And Options
3 .5 .4 Outside Unit Combinations The VRV W T-Series water-cooled system can be combined with several types of indoor units and is intended for R410A use only. Total capacity of indoor units needs to be within the specified range. -
Page 9: Possible Options For The Outside Unit
You can make several commissioning field settings through a personal computer interface. For this option 999482P3 is required which is a dedicated cable to communicate with the outside unit. RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 10: Securing Safety Against Refrigerant Leaks
The installer and system specialist shall secure safety against leakage according to local regulations or standards. The following standards may be applicable if local regulations are not available. Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 11: Refrigerant Pipe Size And Allowable Length
"4.3.3 To select refrigerant branch kits" on page 120, 144 1-1/8 (28.6) 1/2 (12.7) 192, 216 5/8 (15.9) 1-3/8 (34.9) 264~336 3/4 (19.1) 360~432 1-5/8 (41.3) RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 12: To Select Refrigerant Branch Kits
KHRP26M33H9 Pipe size for direct connection to indoor unit must be the same as (Max. 8 branches) the connection size of the VRV indoor units. 72≤x<111 KHRP26M33H9 Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 13: System Piping (Length) Limitation
(50 m)/130 ft should be read as the "first outside unit multi connection (40 m) piping kit", seen from the indoor units side. RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 14: Multiple Module: Possible Layouts
Single system ≤ 77 lbs (35 kg) Double system ≤ 145 lbs (66 kg) Triple system ≤ 150 lbs (68 kg) a To indoor units b Outside unit multi connecting piping kit (first branch) c Outside unit multi connecting piping kit (second branch) Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 15: Piping Length Requirements
○ 2– Acid consumption (pH 4.8) (mg CaCO <100 <50 <50 ○ Total hardness (mg CaCO <200 <70 <70 ○ Calcium hardness (mg CaCO <150 <50 ○ RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 16: Water Circuit Requirements
Drain valve (field supply) Drain connection (If sand, waste or rust particles are mixed in the water circulation Insulation cover system, metal materials will become corrosive.) Flow switch (field supply) Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 17: Maintenance Of Plate-Type/Brazed Plate Heat Exchanger
(with respect to the operation range of the outside unit). The typical operation range of the flow rate of the valve/pump is 50% (B) to 100% (A). RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 18: Field Wiring
If this value is not matching the required flow, the installer should troubleshoot the hydronic system to solve the problem and ensure the correct flow rate. Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 19: Installation
Use a vacuum pump to evacuate the installation. Make sure the unit is installed level on a sufficiently strong base to prevent vibration and noise. RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 20: Connecting The Refrigerant Piping
Connect the stop valves to the field piping using the accessory pipes supplied with the unit. The connections to the branch kits are the responsibility of the installer (field piping). Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 21: Multi Connection Piping Kit Connection
For instance, if chlorine based flux is used, it will cause pipe corrosion or, in particular, if the flux contains fluorine, it will deteriorate the refrigerant oil. Horizontal surface Refnet joint mounted vertically Refnet joint mounted horizontally RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 22: Using The Stop Valve And Service Port
2 Insert a hexagon wrench into the stop valve and turn the stop circumstances . valve clockwise. 3 When the stop valve cannot be turned any further, stop turning. Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 23: Checking The Refrigerant Piping
NOTE Make sure that all indoor units connected to the outside unit are powered on. NOTE Wait until the outside unit has finished the initialization to apply setting [2-21]. RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 24: Checking Refrigerant Piping: General Guidelines
24 hours, the system passes the test. will increase the risk of unit failure. If there is a pressure drop, check for leaks, make repairs and perform the air tight test again. Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 25: To Insulate The Refrigerant Piping
See below figure. 3× Insulation material Caulking etc. RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 26: Charging Refrigerant
0.4 lbs/unit (0.2 kg/unit) BS4Q54T 0.7 lbs/unit (0.3 kg/unit) BS6Q54T 0.9 lbs/unit (0.4 kg/unit) BS8Q54T 1.2 lbs/unit (0.5 kg/unit) BS10Q54T 1.6 lbs/unit (0.7 kg/unit) BS12Q54T 1.8 lbs/unit (0.8 kg/unit) Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... - Page 27 = 26.247 ⇒ 26.2 lbs. Round off in units of 0.1 lbs. INFORMATION Piping length is considered by the distance from the outside unit to the farthest indoor unit. RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11...
-
Page 28: To Charge Refrigerant
10 When the remaining calculated additional refrigerant amount is added, close valve A and push BS3 to stop the manual refrigerant charging procedure. Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 29: Final Charge Adjustment
Subcooling = Condensing_temp.(TC) – (Heat exchanger liquid pipe) ▪ General safety precautions Check subcooling for each outside unit by DAIKIN specified checker ▪ Preparation and calculate the average subcooling of the outside unit using weighted average method. (shown below) 5 .7 .3... -
Page 30: To Insulate The Water Piping
Do NOT operate the unit until the refrigerant piping is complete. Running the unit before the piping is ready will break the compressor. NOTE Only proceed with wiring work after blocking off all power. Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 31: About The Electrical Wiring
(2-core wires). 3-core wire cables are only Maximum number of independent allowable for the cooler/heater changeover user interface. interconnectable systems No branching is allowed after branching (see figure below). RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 32: To Route And Fix The Transmission Wiring
Unit C (sub outside unit) Outside unit PCB (A1P) Main/sub transmission (Q1/Q2) Outside/indoor transmission (F1/F2) Outside unit/other system transmission (F1/F2) Branch selector unit Indoor unit Cooling-only VRV indoor unit Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 33: To Connect The Power Supply
The power supply must be clamped to the plastic bracket using field supplied clamp material. Connect the valve/pump to: X2M terminals 2 and 3. The green and yellow striped wire must be used for grounding only (refer to the figure below). RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 34: Checking Of Device And Installation Conditions
See "5.8.8 To connect the power supply" on page 33. 3 Has the insulation of the main power circuit deteriorated? Measure the insulation and check the insulation is above regular value in accordance with relevant local and national regulations. Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 35: Configuration
7-segment display. Solve the malfunction code switches. accordingly. The communication wiring should be checked at first. Access BS1 is used to change the mode you want to access. RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 36: To Use Mode 1
The allocation of which outside unit is main, Mode 2 is used to set field settings of the outside unit and system. sub 1 or sub 2 are decided by the unit's logic. Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 37: Mode 2: Field Settings
"5.6.2 Charging refrigerant" on Cool/Heat selection setting. page 26. Cool/Heat selection setting is used in case the optional Cool/Heat selector (KRC19-26A6) is used. [2-20] Description 0 (default) Deactivated. RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... - Page 38 2. The level is according to the table. water flow limit to 21.2 gpm (80 L /min) or more. [2-31] Power consumption limitation [2-25] Flow % of max flow rate DC output (V) (approximately) — 1 (default) (thermo-off) Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11...
- Page 39 Heat rejection cancellation control can be OFF if the mechanical room is already equipped with a ventilation system or air 46.4°F (8°C) conditioning system for other facilities. 48.2°F (9°C) 50°F (10°C) 51.8°F (11°C) RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11...
- Page 40 Inverter compressor motor lock backup in order to protect the unit. Electronic expansion valve coil abnormality Discharge pipe temperature abnormality Branch Selector unit electronic expansion valve abnormality Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11...
-
Page 41: To Connect The Pc Configurator To The Outside Unit
You read the complete installation and operation instructions, as described in the installation manual. Installation Check that the unit is properly installed, to avoid abnormal noises and vibrations when starting up the unit. RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 42: About Test Run
Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 43: Correcting After Abnormal Completion Of The Test Run
Terminal block for power supply Tester Faston tab 3 To prevent damaging the PCB, touch a non-coated metal part to eliminate static electricity before pulling out or plugging in connectors. RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 44: Maintenance Of The Plate Heat Exchanger
7) For details of cleaning method, ask the manufacturer of related cleaning agent. 3 After cleaning has been completed, make sure that the unit can be operated in a normal fashion. Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 45: About Service Mode Operation
▪ Use a separate recovery system so that the unit's compressor does NOT have to operate. NOTE Make sure to NOT recover any oil while recovering refrigerant. Example: By using an oil separator. RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 46: Error Codes: Overview
No power supplied to outside unit or indoor unit Check if the power supply wiring for the outside unit (Reverse phase/open phase). or indoor unit is correctly connected, and correct if necessary. Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... - Page 47 (by monitor mode) or wait till initialization is finished. ▪ Open stop valves. Refer to service manual for full list of error codes. RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11...
-
Page 48: Technical Data
*2 This space is necessary when refrigerant piping is connected to the top of the unit. INFORMATION Further specifications can be found in the technical engineering data. Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 49: Piping Diagram: Outside Unit
Double tube heat exchanger / Plate heat exchanger Pressure relief valve Liquid receiver Solenoid valve Thermistor Capillary tube Fusible plug Electronic expansion valve 4-way valve Propeller fan Port (for sensor) Low/high pressure sensor High pressure switch RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... -
Page 50: Wiring Diagram: Outside Unit
11 Technical data 11 .4 Wiring diagram: Outside unit The wiring diagram is delivered with the unit, located at the inside of the service cover. Installation manual RWEQ96~432TAYCU VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11... - Page 51 11 Technical data RWEQ96~432TAYCU Installation manual VRV W T-Series water-cooled system air conditioner 4P540122-1B – 2018.11...
- Page 52 5151 San Felipe St., Suite 500, Houston, TX77056 www.daikincomfort.com 4P540122-1B 2018.11...
Need help?
Do you have a question about the VRV W T-Series and is the answer not in the manual?
Questions and answers