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Daikin ATXS35BVMB [12/14] Refrigerant piping work
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11 ■English
Refrigerant piping work
2-2. Selection of Copper and Heat Insulation materials
• When using commercial copper pipes and fittings, observe the following:
1) Insulation material: Polyethylene foam
Heat transfer rate: 0.041 to 0.052kW/mK (0.035 to 0.045 kcal/mh
°
C)
Refrigerant gas pipe’s surface temperature reaches 110
°
C max.
Choose heat insulation materials that will withstand this temperature.
2) Be sure to insulate both the gas and liquid piping and to provide insulation dimen-
sions as below.
3) Use separate thermal insulation pipes for gas and liquid refrigerant pipes.
Gas side
Liquid side
Gas pipe thermal insulation
Liquid pipe
thermal insulation
25 class / 35 class 25 class / 35 class
O.D. 9.5mm O.D. 6.4mm I.D. 12-15mm I.D. 8-10mm
Thickness 0.8mm Thickness 10mm Min.
Gas pipe
Liquid pipe
Gas pipe
insulation
Liquid pipe
insulation
Finishing tape
Drain hose
Inter-unit wiring
01_EN_2P098777-1.fm Page 11 Friday, October 18, 2002 1:26 PM
Содержание
- Ftxs25bvmb ftks25bvmb ftxs35bvmb ftks35bvmb ftx25bvmb ftk25bvmb ftx35bvmb ftk35bvmb atxs25bvmb atks25bvmb atxs35bvmb atks35bvmb atx25bvmb atk25bvmb atx35bvmb atk35bvmb 1
- Installation manual 1
- Models 1
- R 410a split series 1
- Cautions 2
- I english 2
- Safety precautions 2
- Warnings 2
- Accessories 3
- Choosing a site 3
- How to remove the front grille 3
- I english 2 3
- Indoor unit 3
- Installation tips 3
- Wireless remote controller 3
- How to attach the front grille 4
- How to attach the front panel 4
- How to remove the front panel 4
- How to set te different addresses 4
- I english 4
- Installation tips 4
- Pcb in the indoor unit 4
- Wireless remote controller 4
- Ftx25 35 ftk25 35 atx25 35 atk25 35 5
- Ftxs25 35 ftks25 35 atxs25 35 atks25 35 5
- I english 4 5
- Indoor unit installation drawings 5
- Install air puriying filter on air filter 5
- Adjusting the angle 6
- Iiii caution 6
- Intelligent eye sensor 6
- Boring a wall hole and installing wall embedded pipe 7
- I english 6 7
- Indoor unit installation 7
- Installing the mounting plate 7
- 2 left side left back or left bottom piping 8
- Caulk this hole with putty or caulking material bind with plastic tape 8
- Do not apply lubricating oil refrigerant machine oil when inserting application of causes deterioration and drain leakage of the plug 8
- Drain hose 8
- I english 8
- Indoor unit installation 8
- Insert a hexagon wrench 4 mm 8
- Installing indoor unit 8
- No gap 8
- Wrap insulating tape around the bent portion of refrigerant pipe overlap at least half the width of the tape with each turn interconnecting wires 8
- _en_2p098777 1 fm page 7 friday october 18 2002 1 26 pm 8
- 3 wall embedded piping 9
- I english 8 9
- Iiii warning 9
- Wiring 9
- _en_2p098777 1 fm page 8 friday october 18 2002 1 26 pm 9
- Drain piping 10
- I english 10
- Indoor unit installation 10
- When connecting to an ha system 10
- Align the centres of both flares and tighten the flare nuts 3 or 4 turns by hand then tighten them fully with the torque wrenches use torque wrenches when tightening the flare nuts to prevent damage to the flare nuts and escaping gas 11
- Cut the pipe end with a pipe cutter 2 remove burrs with the cut surface facing downward so that the chips do not enter the pipe 3 put the flare nut on the pipe 4 flare the pipe 5 check that the flaring is properly made 11
- Do not use mineral oil on flared part 2 prevent mineral oil from getting into the system as this would reduce the lifetime of the units 3 never use piping which has been used for previous installations only use parts which are delivered with the unit 4 do never install a drier to this r 410a unit in order to guarantee its lifetime 5 the drying material may dissolve and damage the system 6 incomplete flaring may cause refrigerant gas leakage 11
- Flaring the pipe end 11
- Iiii warning 11
- Protect the open end of the pipe against dust and moisture 2 all pipe bends should be as gentle as possible use a pipe bender for bending bending radius should be 30 to 40 mm or larger 11
- Refrigerant piping 11
- Refrigerant piping work 11
- To prevent gas leakage apply refrigeration machine oil on both inner and outer surfaces of the flare use refrigeration oil for r 410a 11
- 2 selection of copper and heat insulation materials 12
- I english 12
- Refrigerant piping work 12
- I english 12 13
- Test items 13
- Trial operation and testing 13
- Trial operation from remote controller 13
- P098777 1 m02b078 14
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