Specifications

PRODUCT SPECIFICATIONS Split System Heat Pump: HVH8
3 428 51 5900 03
Specifications subject to change without notice.
REFRIGERANT PIPING LENGTH LIMITATIONS
Maximum Line Lengths:
The maximum allowable total equivalent length for heat pumps can vary depending on the vertical separation. See the tables
below for allowable lengths depending on whether the outdoor unit is on the same level, above or below the outdoor unit.
Maximum Line Lengths for Heat Pump Applications
MAXIMUM ACTUAL LENGTH
ft (m)
MAXIMUM EQUIVALENT LENGTH{
ft (m)
MAXIMUM VERTICAL SEPARA
TION ft (m)
Units on equal level 100 (30.5) 100 (30.5) N/A
Outdoor unit ABOVE
indoor unit
100 (30.5) 100 (30.5) 100 (30.5)
Outdoor unit BELOW
indoor unit
See Table 'Maximum Total Equivalent Length: Outdoor Unit BELOW Indoor Unit'
{ Total equivalent length accounts for losses due to elbows or fitting. See the Long Line Guideline for details.
Maximum Total Equivalent Length
{
− Outdoor Unit BELOW Indoor Unit
Size
Liquid Line
Diameter
w/ TXV
HP with R-410A Refrigerant - Maximum Total Equivalent Length{
Vertical Separation ft (m) Outdoor unit BELOW indoor unit;
0-20
(0 - 6.1)
21-30
(6.4 - 9.1)
31-40
(9.4 - 12.2)
41-50
(12.5 - 15.2)
51-60
(15.5 - 18.3)
61-70
(18.6 - 21.3)
71-80
(21.6 - 24.4)
2-Ton 3/8 100* 100* 100* 100* 100* 100* 100*
3-Ton 3/8 100* 100* 100* 100* 100* 100* 100*
4-Ton 3/8 100* 100* 100* 100* 100 100 --
5-Ton 3/8 100* 100* 100* 100* 100 100 --
* Maximum actual length not to exceed 100 ft (30.5 m)
{ Total equivalent length accounts for losses due to elbows or fitting.
-- = outside acceptable range
LONG LINE APPLICATIONS
Unit is approved for up to 100 ft (30.5 m) equivalent length and vertical separations shown above with no additional accessories.
Longer line set applications are not permitted.
COOLING CAPACITY LOSS TABLE
Nominal
Size
(Btuh)
Line OD (in.)
HVH8 Cooling Capacity Loss (%)
Total Equivalent Line Length (ft)
25 50 75 80 100
24
5/8 0.5 1.2 1.8 1.9 2.4
3/4 0.1 0.4 0.6 0.7 0.8
25
5/8 0.5 1.2 1.8 1.9 2.4
3/4 0.1 0.4 0.6 0.7 0.8
7/8 0.0 0.1 0.3 0.3 0.4
36
37
5/8 1.1 2.4 3.7 4.0 5.0
3/4 0.3 0.8 1.3 1.4 1.8
7/8 0.0 0.3 0.5 0.6 0.8
48
3/4 0.7 1.6 2.4 2.6 3.2
7/8 0.3 0.7 1.1 1.2 1.6
1 1/8 0.0 0.1 0.2 0.3 0.4
60
3/4 1.0 2.3 3.5 3.8 4.8
7/8 0.4 1.0 1.7 1.8 2.3
1 1/8 0.0 0.1 0.3 0.4 0.5
Rating Line Size in BOLD
EQUIPMENT SIZING GUIDELINES
If primary load is cooling, size the same as any other air conditioning system. If primary load is heating, use the chart below for
maximum size for heating.
MAXIMUM RECOMMENDED EQUIPMENT SIZE − HEATING
COOLING LOAD (tons) MAXIMUM RECOMMENDED EQUIPMENT SIZE FOR HEATING*
1 25
1.5 25
2 37
2.5 37
3 48
3.5 60
4 60
5 60
* Make sure duct work is capable of delivering required airflow . Make sure combination rating exists for desired indoor and outdoor combination.