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The Quality Leader in Conditioning Air
Residential Split - 60Hz R22 &R410A
Rev.: 5 June, 2008
www.heatcontoller.com
Table 2: Antifreeze Percentages by Volume
Table 1: Approximate Fluid Volume (U.S. gal. [L]) per
100' of Pipe
Ground-Loop Heat Pump Applications
Figure 7: Loop Connection (Indoor
Compressor Section)
NOTICE! Cabinet opening around loop piping (outdoor
compressor section) must be sealed to prevent entry of
rodents that could potentially damage unit wiring by chewing
on the insulation.
NOTICE! Outdoor compressor section may not be tilted
more than 5 degrees from level. Damage to the compressor
or stress on the loop piping could result if unit is tilted. A
concrete pad, anchor posts and/or soil compaction may be
required to avoid tilting as ground settles.
Type
Minimum Temperature for Low Temperature Protection
10°F [-12.2°C] 15°F [-9.4°C] 20°F [-6.7°C] 25°F [-3.9°C]
Methanol
100% USP food grade Propylene Glycol
Ethanol*
25%
38%
29%
21%
25%
25%
16%
22%
20%
10%
15%
14%
* Must not be denatured with any petroleum based product
Fluid Volume (gal [liters] per 100’ [30 meters) Pipe)
Pipe Size Volume (gal) [liters]
Copper
1” 4.1 [15.3]
1.25” 6.4 [23.8]
2.5” 9.2 [34.3]
Rubber Hose 1” 3.9 [14.6]
Polyethylene
3/4” IPS SDR11 2.8 [10.4]
1” iPS SDR11 4.5 [16.7]
1.25” IPS SDR11 8.0 [29.8]
1.5” IPS SDR11 10.9 [40.7]
2” IPS SDR11 18.0 [67.0]
1.25” IPS SCH40 8.3 [30.9]
1.5” IPS SCH40 10.9 [40.7]
2” IPS SCH40 17.0 [63.4]
Unit Heat Exchanger Typical 1.0 [3.8]
Flush Cart Tank
10” Dia x 3ft tall
[254mm x 91.4cm tall]
10 [37.9]