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Daikin RXYQ5PY1 Service Manual Page 40

R-410a heat pump 50hz/60hz cooling only 50hz.
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Installation
Flange
a) The flange sheet surface should be clean and undamaged. (Clean any dirt away with a cloth
Connection
b) Coat the flange sheet surface with refrigeration oil (Ester or ether oil) and then insert the
c) Tighten the bolts in opposite corners first to ensure that the connection is true.
Important points
1. Only clean refrigeration/oil should be used to coat the flange. (i.e. free from dirt or water)
2. The correct amount of torque should be applied when tightening the flange bolts.
Standard torques for tightening screws and bolts
ISO hexagonal bolt
Size
34
and check that there has been no damage.)
packing. (Do not use SUNISO oil.)
Class
kgf-cm ±15%
M8
125
M10
257
M12
436
M16
1,030
M20
2,050
Refrigerant oil (Ester or ether oil.)
Stop valve
Packing
Flange indentation
[Example]
Order:A→C→B→D
5.8(5T)
N-m ±15%
1230
2520
4280
10,100
20,100
SiEN34-705
Flange projection
The bolts should be tightened little by
little in the above order such that the
same degree of torque is applied
evenly to each corner.
10.9(10T)
kgf-cm ±15%
N-m ±15%
302
2960
620
6080
1,050
10,300
2,480
24,300
4,950
48,500
General Information

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  • GMacD Dec 22, 2015 11:58:
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