T h e Q u a l i t y L e a d e r i n C o n d i t i o n i n g A i r
R e s i d e n t i a l S p l i t - 6 0 H z R 4 1 0 A
R e v. : 0 3 A u g u s t , 2 0 1 2
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11
Table 2: Approximate Fluid Volume (U.S. gal. [L]) per
100’ of Pipe
Figure 4: Loop Connection (Indoor Compressor Section)
Ground-Loop Heat Pump Applications
Table 3: Antifreeze Percentages by Volume
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]
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.
Air Pad or
Extruded
polystyrene
insulation board
P/T Plugs
Insulated
Hose Kit
Flow
Controller
To Loop
Unit Power
Disconnect
AH & Thermostat
Wiring
