Daikin VRV Copper Dispenser REFNET Joint

Daikin REFNET branch joint

Daikin VRV Copper Dispenser REFNET Joint 

Winland's branch joints are made of pure copper and designed base on the technical dimensions of original drawing and try to enhance the cost performance. Download branch joint catalog

Base on the types of cooling medium, Daikin branch joint could be classified into two types:

  1. R22 refrigerant: 11T、18T、37T、40T、75T、76T、90C(outdoor unit)、135C(outdoor unit)
  2. R410 refrigerant: 22T、33T、72T、73T、90C(outdoor unit)、135C(outdoor unit)

Daikin Branch Joint Size

Please refer to the below table, which lists Daikin air conditioning's different styles branch joints and their dimensions. For special dimensions, we offer customzation service.

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Winland Size Chart of Daikin Branch Joint
ModelPipeA SizeB SizeC Size
11TGas Pipe15.9/19.1mm15.9/12.7mm15.9/12.7mm
11TLiquid Pipe9.6mm9.6/6.4mm9.6/6.4mm
18TGas Pipe15.9/19.1mm19.1/15.9/12.7mm15.9/12.7mm
18TLiquid Pipe9.6mm9.6/6.4mm9.6/6.4mm
22TGas Pipe12.7/15.9/19.1mm15.9/12.7mm15.9/12.7mm
22TLiquid Pipe9.6mm9.6/6.4mm9.6/6.4mm
22TAccessory  Optional (1 spare part)  
72TGas Pipe31.8/28.6/25.4mm25.4/19.1/15.9mm19.1/15.9/12.7mm
72TLiquid Pipe15.9/12.7mm12.7/9.6mm12.7/9.6/6.4mm
72TAccessory Optional (3 spare parts)  
73TGas Pipe38.1/31.8mm31.8/28.6/25.4mm25.4/19.1/15.9mm
73TLiquid Pipe15.9/19.1mm19.1/15.9/12.7mm15.9/12.7/9.6mm
73TAccessory Optional (5 spare parts)  
75TGas Pipe44.5/38.1mm38.1/31.8/25.4mm25.4mm
75TLiquid Pipe22.2/19.1mm19.1/15.9/12.7mm15.9mm
75TAccessoryOptional (3 spare parts)  

BHFP22MC90

(outdoor unit)

Gas Pipe31.8/28.6mm28.6/25.4/22.3/19.1mm25.4mm

BHFP22MC90

(outdoor unit)

Liquid Pipe22.3/19.1/15.9mm12.7/9.6mm15.9mm

BHFP22MC90

(outdoor unit)

AccessoryOptional (4 spare parts)  

BHFP22MC135

(outdoor unit)

Gas Pipe38.1/31.8mm28.6/31.8mm25.4mm

BHFP22MC135

(outdoor unit)

Liquid Pipe22.2/19.1mm15.9/19.1mm15.9mm

BHFP22MC135

(outdoor unit)

Gas Pipe31.8/28.6mm28.6/25.4/22.3/19.1mm25.4mm

BHFP22MC135

(outdoor unit)

Liquid Pipe22.23/19.1/15.9mm12.7/9.6mm15.9mm

BHFP22MC135

(outdoor unit)

AccessoryOptional (12 spare parts)  

Gas/Liquid Pipe of Branch Joint

Branch joint use for VRV/VRF air conditioning systems, it also called dispenser pipes. The branch joint is combined with gas pipe and liquid pipe.

We could tell the gas/liquid pipes easily by appearance: pipe of bigger size is gas pipe, and smaller size is liquid pipe.

Daikin Branch Joint Installation

Daikin Refrigerant Branch Kit Installation Instruction

Install the refrigerant branch kit while observing the following condition and referring to the installation instruction above.

  1. Install the REFNET joint so it splits horizontally or vertically.
  2. Horizontal surface
  3. A-arrow view
  4. ±30° or less
  5. Level
  6. Vertical is also ok
  7. Install the REFNET header so that it splits horzontally
  8. B-arrow View

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