Piping Connection - COMFORT-AIRE A-VFH30QB-1 Installation & Operation Manual

Installation & Operation Manual - VFH-B 30/36/42 Series
Inverterflex Series

3.3 Piping Connection

The maximum pipe length is shown in the following table. When the distance between units (piping length)
is out of the range listed below, normal operation of the unit can not be guaranteed.
Model
A-VFH30QB-1
A-VFH36QB-1
A-VFH42PB-1
1) Use water-proof pipe insulation.
2) Wall thickness of pipe: 0.019-0.039 inch; bearing pressure: 3.0MPa
3) The longer the connection pipe is, the more cooling and heating capacity will decrease.
Inverterflex Series
Connecting Pipe (inch)
Liquid Gas
Ф1/4 Φ3/8
Ф1/4 Ф3/8
Ф1/4 Ф3/8
Table 5
Max. Height Difference between Indoor
Max. Pipe length(ft)
Unit and Outdoor Unit (ft)
When
229.6
maximum height difference between
246.1
indoor and outdoor units is up to 49.2ft;
When
246.1
maximum height difference between
indoor and outdoor units is 49.2ft;
NOTICE
8
7
the outdoor unit is
the indoor unit is
above,
above,