Refrigerant Pipesizing Guide - X Type Downflow - AIREDALE EasiCool Technical Manual

Precision Air Conditioning

Refrigerant Pipesizing Guide - X Type Downflow

Pipe lengths calculated for Indoor unit with Airedale Outdoor Unit match.
Indoor Outdoor
Liquid
DF6X CR12
DF8X CR16
DF10X CR16
DF13X CR22
DF15X CR22
DF17X CR30
DF20X2 CR30
DF22X2 CR50
DF26X2 CR50
DF28X CR50
DF31X CR50
DF35X CR50
DF40X CR65
DF45X CR80
DF50X2 CR80
DF55X2 CR80
DF60X2 CR80
(1) For interconnecting pipework with a predominantly horizontal layout.
(2) For interconnecting pipework with a predominantly vertical layout.
Tandem Compressor and suction throttle valve applications: In part load, gas velocity should be
IMPORTANT
taken into account when selecting and commissioning pipework to ensure full oil return.
REMEMBER excessive pressure loss in interconnecting pipework will impair system performance;
this should be factored in during the design of the system and where necessary oil separators
IMPORTANT
employed.
Indoor Unit
Connection Size
Discharge Liquid
3/8" 1/2" 3/8"
3/8" 1/2" 3/8"
3/8" 1/2" 3/8"
3/8" 5/8" 3/8"
3/8" 5/8" 1/2"
3/8" 5/8" 1/2"
1/2" 7/8" 1/2"
1/2" 7/8" 1/2"
1/2" 7/8" 1/2"
1/2" 7/8" 5/8"
1/2" 7/8" 5/8"
1/2" 7/8" 5/8"
5/8" 1 1/8" 5/8"
5/8" 1 1/8" 5/8"
5/8" 1 3/8" 3/4"
5/8" 1 3/8" 3/4"
5/8" 1 3/8" 3/4"
Equivalent Pipe Lengths with R410A
0-15m
Discharge
Horizontal(1) Vertical(2) Liquid
1/2" 3/8" 3/8"
1/2" 1/2" 3/8"
5/8" 1/2" 3/8"
5/8" 1/2" 1/2"
5/8" 5/8" 1/2"
3/4" 5/8" 1/2"
3/4" 5/8" 1/2"
3/4" 5/8" 5/8"
3/4" 3/4" 5/8"
7/8" 3/4" 5/8"
7/8" 7/8" 5/8"
7/8" 7/8" 5/8"
1 1/8" 7/8" 3/4"
1 1/8" 1 1/8" 3/4"
1 1/8" 1 1/8" 3/4"
1 1/8" 1 1/8" 3/4"
1 1/8" 1 1/8" 7/8"
EasiCool Technical Manual 7525389 V1.8.0_05_2016
EasiCool™
15-40m
Discharge
Horizontal(1) Vertical(2)
1/2" 3/8"
5/8" 1/2"
5/8" 1/2"
3/4" 5/8"
3/4" 5/8"
7/8" 5/8"
7/8" 3/4"
7/8" 3/4"
7/8" 7/8"
7/8" 7/8"
1 1/8" 7/8"
1 1/8" 7/8"
1 1/8" 7/8"
1 1/8" 1 1/8"
1 1/8" 1 1/8"
1 1/8" 1 1/8"
1 1/8" 1 1/8"
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