6
Table 1—Refrigerant Connections and Recommended Liquid and Vapor Tube Diameters (In.)
UNIT SIZE
LIQUID
RATED VAPOR
(up to 80 ft. T.E.L)
Connection
Diameter
Tube
Diameter
Connection
Diameter
Tube
Diameter
24ANA724
3/8
3/8
5/8
5/8
24ANA736
3/8
3/8
3/4
3/4
24ANA748
3/8
3/8
7/8
7/8
24ANA760
3/8
3/8
7/8
1--1/8
24ANA124
24ANA136
24ANA148
3/8
3/8
7/8
7/8
24ANA160
3/8
3/8
7/8
1--1/8
Notes:
1. Tube diameters are for total equivalent lengths (T.E.L) up to 80 ft...
2. Do not apply capillary tube or the fixed orifice indoor coils to these units.
* For Tubing Set lengths between 80 and 200 ft. horizontal or 20 ft. vertical differential (250 ft.Total Equivalent Length), refer to the Longline Guideline--- Air
Conditioners and Heat Pumps using Puron.
Table 2—Accessory Usage
Accessory
REQUIRED FOR LOW---AMBI-
ENT APPLICATIONS
(0
_
F to 55
°
F
)
REQUIRED FOR LONG LINE
APPLICATIONS* (Over 80 Ft.)
REQUIRED FOR SEA
COAST APPLICATIONS
(Within 2 miles)
Crankcase Heater
Standard
Standard
Standard
Evaporator Freeze Protection
Standard with Infinity Control
(Low Ambient not allowed with
non---communicating Thermostat)
No
No
Winter Start Control
Standard with Infinity Control (Low
Ambient not allowed with Non---
Communicating Thermostat)
No
No
Accumulator
No
No
No
Compressor Start Assist Capacitor
and Relay
}
Standard on 24ANA7 models.
Not required on 24ANA1 models
since compressor always starts un-
loaded.
Standard on 24ANA7 models.
Not required on 24ANA1 models
since compressor always starts
unloaded.
Standard on 24ANA7 mod-
els.
Not required on 24ANA1
models since compressor
always starts unloaded.
Low---ambient Control
Standard with Infinity Control (Low
Ambient not allowed with non---
communicating thermostat)
No
No
Support Feet
Recommended
No
Recommended
Liquid Line Solenoid Valve
No
No
No
Ball Bearing Fan Motor
Standard
Standard
Standard
Puron Balance Port Hard Shut---off
TXV
Yes
{
Yes
{
Yes
{
* For Tubing Set lengths between 80 and 200 ft. horizontal or 20 ft. vertical differential (250 ft. Total Equivalent Length), refer to the Longline Guideline ---
Air Conditioners and Heat Pumps using Puron
{
Required on all indoor units. Standard on all new Puron fan coils and furnace coils.
}
Information is specific to 24ANA7 and 24ANA1 models.
24AN
A