Amana AVZC20 Series Service Instructions Manual page 55

SERVICING
If hanging line set from a joist or rafter,
use metal strapping
or heavy nylon wire tires
that are securely anchored.
SECTION 3. OUTDOOR UNIT IS ABOVE THE INDOOR UNIT
1. Gas line must be sloped continuously towards the indoor unit.
2. The maximum elevation (vertical) difference between the outdoor unit and indoor unit is 200 feet.
3. The maximum line set equivalent length is 250 feet, which includes pressure losses of any elbow, bends, etc. The maximum
line set actual length is 200 feet.
4. Inverted suction loop is not required at either unit.
5. An accumulator is not required for outdoor unit (accumulators are factory installed ).
8'
Floor Joist or
Roof Rafter
Metal Sleeve
Strapping placed
around the suction line only
T ape or Wire Tie
Figure 1-3. Installation of Refrigerant Piping (Horizontal)
Heat Pump ABOVE Indoor Coil
*Includes pressure losses of any elbows, bends, etc.
Wire Tie
(around suction line only)
T ape or Wire Tie
8'
After the suction line has been strapped to the joist or rafter at 8' intervals,
strap the liquid line to the suction line.
Maximum line set
equivalent length of 250 ft*.
The maximum line set
actual length is 200 ft.
Floor Joist or Roof Rafter
Maximum vertical
separation of 200 ft.
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