Daikin RX16MY1 User Manual

Si30-408 REFNET Piping
Introduction 19
5.2 For Refrigerant Piping
 Guideline for Tightening Flare Nut (When No Torque Wrench is Available.)
Notes: 1. When pipe jointing with flare nut, use both open-ended spanner and a torque wrench.
2. If no torque wrench is available, refer to the following item 3 as a guide.
3. In the work of tightening flare nut, there should be a spot where the tightening torque
suddenly increases. Thereafter, tighten further with tightening angle shown in above list.
 Bending Radius in Pipe and Flare Tightening Torque
 Processing Dimension for Flare Section
 Calculation List on Equivalent Length of Joint (For Reference)
Unit: m
Piping size Tightening angle (guideline) Recommended arm length of tool
φ6.4 60º ~ 90º Approximately 150mm
φ9.5 60º ~ 90º Approximately 200mm
φ12.7 30º ~ 60º Approximately 250mm
φ15.9 30º ~ 60º Approximately 300mm
φ19.1 20º ~ 35º Approximately 450mm
Piping size Bending radius Tightening torque (N·cm)
φ6.4 30 to 40 mm 1420 ~ 1720
φ9.5 30 to 40 mm 3270 ~ 3990
φ12.7 40 to 60 mm 4950 ~ 6030
φ15.9 40 to 60 mm 6180 ~ 7540
φ19.1 — 9720 ~ 11860
Piping size
Dimension-A
Flared shape
R22, R407C For R410A
φ6.4 8.6 ~ 9.0 8.7 ~ 9.1
φ9.5 12.6 ~ 13.0 12.8 ~ 13.2
φ12.7 15.8 ~ 16.2 16.2 ~ 16.6
φ15.9 19.0 ~ 19.4 19.3 ~ 19.7
φ19.1 23.3 ~ 23.7 (24)
Pipe diameter
Type
φ6.4 φ9.5 φ12.7 φ15.9 φ19.1 φ25.4 φ31.8
L joint
0.16 0.18 0.20 0.25 0.35 0.45 0.55
Trap bend
1.41.31.52.02.43.44.0
REFNET joint
0.5
REFNET header
1.0

Daikin RX16MY1 Specifications

General

Brand	Daikin
Model	RX16MY1
Category	Inverter
Language	English