Table 1 - Accessory Usage
Recommended
Standard with Infinity Control
(Low Ambient not allowed with No
non-communicating thermostat)
For tubing set lengths between 80 and 200 ft. (24.38 and 60.96 m) horizontal or 35 ft. (10.7 m) vertical differential (total equivalent length), refer to the Long
Line Guideline--Air Conditioners and Heat Pumps using Puron® Refrigerant.
1- Required on all indoor units. Standard on all new Puron refrigerant fan coils and furnace coils.
REQUIRED FOR
REQUIRED FOR SEA COAST
LOW-AMBIENT COOLING REQUIRED FOR LONG LINE
ACCESSORY APPLICATIONS
APPLICATIONS APPLICATIONS*
(Below 55°F/12.8°C) (Within 2 miles/3.22 km)
Compressor Start Assist Kit No Yes No
Crankcase Heater Standard Standard Standard
Standard with Infinity Control
Evaporator Freeze Protection (Low Ambient not allowed with No No
non-communicating thermostat)
Liquid-Line Solenoid Valve No No No
Standard with Infinity Control
Low-Ambient Control (Low ambient not allowed with No No
non-communicating thermostat)
Puron Refrigerant Balance Port Hard-
ShutOff TXV Yes1" Yest Yes1"
Support Feet No Recommended
Winter Start Control No
Make Piping Connections
PERSONAL INJURY AND ENVIRONMENTAL
HAZARD
Failure to follow this warning could result in personal injury
or death.
Relieve pressure and recover all refrigerant before system
repair or final unit disposal. Use all service ports and open
all flow-control devices, including solenoid valves.
Federal regulations require that you do not vent refrigerant
to the atmosphere. Recover during system repair or final
unit disposal.
[]NIT DAMAGE HAZARD
Failure to follow this caution may result in equipment
damage or improper operation.
If ANY refrigerant tubing is buried, provide a 6-in (152.4
mm) vertical rise at service valve. Refrigerant tubing lengths
up to 36-in (914.4 mm) may be buried without further
special consideration. Do not bury lines more than 36-in.
(914.4 mm).
Outdoor units may be connected to indoor section using accessory
tubing package or field-supplied refrigerant grade tubing of correct
size and condition. Rated tubing diameters shown in Table 2 are
recommended up to 80 ft. (24.38 m). See Product Data for
acceptable alternate vapor diameters and associated capacity losses.
For tubing requirements beyond 80 ft. (24.38 m), substantial
capacity and performance losses can occur. Following the
recommendations in the Residential Piping and Longline
Guideline will reduce these losses. Refer to Table 2 for field tubing
diameters. Refer to Table 1 for accessory requirements.
There are no buried-line applications greater than 36-in. (914.4
mm) allowed.
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 AHRI 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.
NOTE: If the indoor furnace coil width is more than the furnace
casing width, refer to the indoor coil Installation Instructions for
transition requirements.
[]NIT OPERATION AND SAFETY HAZARD
Failure to follow this warning could result in personal injury
or equipment damage.
Puron® refrigerant systems operate at higher pressures than
standard R-22 systems. Do not use R-22 service equipment
or components on Puron® refrigerant equipment.
Refrigerant Tubing Connection Outdoor
Connect vapor and liquid tubes to fittings on vapor and liquid
service valves (see Table 2.) Use refrigerant grade tubing.
Sweat Connection
[]NIT DAMAGE HAZARD
Failure to follow this caution may result in equipment
damage or improper operation.
Service valves must be wrapped in a heat-sinking material
such as a wet cloth while brazing.
Use refrigeration grade tubing. Service valves are closed from
factory and ready for brazing. After wrapping service valve with a
wet cloth, braze sweat connections using industry accepted
methods and materials. Consult local code requirements.
Refrigerant tubing and indoor coil are now ready for leak testing.
This check should include all field and factory joints.
To Next Page
Loading...
