Connection Pipe Requirement - Gree UMAT18HP230V1BD Installation & Owner's Manual

3.3 Refrigerant Piping Requirements
The maximum length of the refrigerant pipe is listed in the table below. Do not place the units
where the distance exceeds the maximum length.
Model
UMAT18HP230V1BD
UMAT18HP230V1BO
UMAT24HP230V1BD
UMAT24HP230V1BO
UMAT30HP230V1BD
UMAT30HP230V1BO
UMAT36HP230V1BD
UMAT36HP230V1BO
UMAT42HP230V1BD
UMAT42HP230V1BO
UMAT48HP230V1BD
UMAT48HP230V1BO
Size of Fitting Pipe
mm (inch)
Item
Liquid
6(1/4)
9.52(3/8)
9.52(3/8)
9.52(3/8)
9.52(3/8)
9.52(3/8)
DC Inverter U-match Series Duct Type Unit
Fig. 3.2
Table 3.3
Max.
Pipe
Length
Gas
m (feet)
12(1/2) 50(164.0)
16(5/8) 50(164.0)
16(5/8) 50(164.0)
16(5/8) 70(229.7)
16(5/8) 70(229.7)
16(5/8) 70(229.7)
6
Max. Height Drainage
Difference pipe(Outer
between Diameter ×
Indoor Unit wall
and Outdoor thickness)
Unit m (feet) mm (inch)
Φ20X1.2
(Φ0.79×0.05)
15(49.2)
Φ26X3
(Φ1.02×0.12)
Φ20X1.2
(Φ0.79×0.05)
15(49.2)
Φ26X3
(Φ1.02×0.12)
Φ20X1.2
(Φ0.79×0.05)
15(49.2)
Φ26X3
(Φ1.02×0.12)
Φ20X1.2
(Φ0.79×0.05)
15(49.2)
Φ26X3
(Φ1.02×0.12)
Φ20X1.2
(Φ0.79×0.05)
15(49.2)
Φ26X3
(Φ1.02×0.12)
Φ30X1.5
(Φ1.18×0.06)
15(49.2)
Φ26X3
(Φ1.02×0.12)