3
Outdoor units may be connected to indoor section using accessory
tubing package or field -- supplied refrigerant grade tubing of correct
size and condition. For tubing requirements beyond 80 ft/24.38 m,
substantial capacity and performance losses can occur. Following
the recommendations in the Long Line Guideline for Split--System
Air Conditioners and Heat Pumps will reduce these losses. Refer to
Table 1 fo r accesso ry req u irem en ts. R efer to Table 2 fo r field
tubing diameters.
There are no buried-- line applications greater than 36 in. (914.4
mm).
If refrigerant tubes or indoor coil are exposed to atmosphere, they
must be evacuated to 500 microns to eliminate contamination and
moisture in the system.
Outdoor Unit Connected to Factory Approved Indoor
Unit
Outdoor unit contains correct system refrigerant charge for
operation with factory approved ARI rated indoor unit when
connected by 15 ft. (4.57 m) of field--supplied or factory--accessory
tubing, and factory supplied filter drier. Check refrigerant charge
for maximum efficiency.
Table 1 – Accessory Usage
Accessory
REQUIRED FOR LOW--- AMBIENT
COOLING APPLICATIONS
(Below 55°F / 12.8°C)
REQUIRED FOR LONG LINE
APPLICATIONS* (Over 80 ft. / 24.38 m)
Crankcase Heater Ye s
Yes
Compressor Start Assist C apacitor and Relay Ye s Ye s
Evaporator Freeze Thermostat
Ye s
(For non--- Infinity systems only)
No
Liquid Line Solenoid Valve No
See Long---Line Application Guideline
Low --- ambient Pressure Switch
Ye s
(For non--- Infinity system only)
No
Support Feet Recommended No
Thermal Expansion V a lve (TXV)
Hard Shutoff
Ye s Ye s
Winter Start Control
Ye s
(For non--- Infinity systems only)
No
* 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 Longline Application Guideline.
Table 1 – Refrigerant Connections and Recommended Liquid and Vapor Tube Diameters (In.)
UNIT SIZE
LIQUID
VAPOR
(up to 80 ft. / 24.38 m)*
Connection
Diameter
Tube
Diameter
Connection
Diameter
Rated Tube
Diameter
018, 024 3/8 3/8 5/8 5/8
030, 036 3/8 3/8 3/4 3/4
042, 048 3/8 3/8 7/8 7/8
060 3/8 3/8 7/8 1 --- 1 / 8
Notes:
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 units.
* For Tubing Set lengths between 80 and 200 ft. (24.38 and 60.96 m) horizontal or 20 ft. (6.10 m) vertical differential (250 ft./ 76.2 m)Total Equivalent Length),
refer to the Longline Guideline --- Air Conditioners and Heat Pumps using Puronr Refrigerant.
the environmentally sound refrigerant
REGISTERED
ISO 9001:2000
This product has been designed and manufactured to
meet Energy Star® criteria for energy efficiency when
matched with appropriate coil components. However,
proper refrigerant charge and proper air flow are critical
to achieve rated capacity and efficiency. Installation of
this product should f ollow all manufacturing refrigerant
charging and air flow instructions. Failure to confirm
proper charge and air flow may reduce energy
efficiency and shorten equipment life.
Ready for use in a Hybrid Heatr Duel Fuel system.
24APA
(33 paginas)
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