Installation guide
Outdoorunitsmaybeconnectedto indoorsectionusing
accessorytubingpackageorfield-suppliedrefrigerantgrade
tubingof correctsizeandcondition.Fortubingrequirements
beyond80ft/24.38m,substantialcapacityandperformance
lossescanoccur.FollowingtherecommendationsintheLong
LineGuidelineforSplit-SystemAir ConditionersandHeat
Pumpswillreducetheselosses.RefertoTable1foraccessory
requirements.RefertoTable2forfieldtubingdiameters.
Ifrefrigeranttubesorindoorcoilareexposedtoatmosphere,they
mustbeevacuatedto500micronstoeliminatecontaminationand
moistureinthesystem.
Table1--AccessoryUsage
REQUIRED FOR LOW-AMBIENT REQUIRED FOR REQUIRED FOR
ACCESSORY COOLING APPLICATIONS LONG LINE APPLICATIONS* SEA COAST APPLICATIONS
(Below 55°F / 12.8°C) (Over 80 ft. / 24,38 m) (Within 2 miles / 3.22 kin)
Accumulator Standard Standard Standard
Compressor Start Assist Yes Yes No
Capacitor and Relay
Crankcase Heater Yes Yes No
Yes
Evaporator Freeze Thermostat No No
(for non-Infinity systems only)
Yes
Isolation Relay (for non-Infinity systems only) No No
See Long- Line Application
Liquid Line Solenoid Valve No No
Guideline
Motor Master@ Control or Yes
No No
Low Ambient Switch (for non-Infinity systems only)
Support Feet Recommended No Recommended
For tubing line sets between 80 and 200 ft (24.38 and 60.96 m) and/or 20 ft (6.09 m) vertical differential, refer to Residential Split-System Long_ine Application Guideline
UNIT SIZE
Table 2--Refrigerant Connections and Recommended Liquid and Va
LIQUID
018, 024
030, 036
042, 048
060
Notes:
Connection Diameter
3/8
3/8
3/8
3/8
1 Tube diameters are for total equivalent lengths up to 80 ft (24.38 m)
2 Do not apply capillary tube or fixed orifice indoor coils to these uNts
Tube Diameter
3/8
3/8
3/8
3/8
_or Tube Diameters (In.)
VAPOR
(up to 80 ft/24.38 m)
Connection Diameter Rated Tube Diameter
5/8 5/8
3/4 3/4
7/8 7/8
7/8 1 1/8
* For Tubing Set {engths between 80 and 200 ft (24.38 and 60.95 m) horizontal or 20 ft (610 m) vertical differential (250 ft./76.2 re)Total Equivalent Length),
refer to the Longline Guideline- Air Conditioners and Heat Pumps using Puron ® Refrigerant.
ARI 9_nd_rd _10/240
Unitary Nest P_mp_
Pu ron
the_nvironmertaNysoundrefiigerant
IdealHumidi .
ISO 9001:2000
@
Thinks. Heats. Saves.
®
Ready for use in a Hybrid Heat Duet Fuel system
This product has been designed and manufactured to
meet Energy Star@ criteria for energy efficiency when
m_ched with appropriate coil components¸ However,
proper refrigerant charge and proper air flow are critical
to achieve rated capacity and efficiency¸ Installation o1
this product should follow all manufactedn 9 refrigerant
charging and air flow instructions¸ Failure 1o confirm
proper charge and air {few may reduce energy
efficiency and shorten equipment life,