Fig. 4 – Outdoor Unit Above Indoor Unit
•
A TXV with 15 to 30% bleed must be installed at indoor unit when the application qualifies as long line. See Table 11.
•
A crankcase heater must be installed on compressor when the application qualifies as long line. See Table 11.
•
Hard Start Kit (start capacitor and relay) must be installed in outdoor unit when the application qualifies as long line. See Table 11.
•
Heat pump only – Heating piston must be changed as shown in Table 12.
•
Maximum actual liquid line length is up to 200 ft (61 m). See Table 10.
•
Maximum total equivalent length is up to 250 ft (61 m). See Table 10.
•
Heat pump only – Bi- flow liquid line solenoid must be installed within 2 ft (0.61 m) of outdoor unit with arrow pointing towards outdoor unit.
•
Use vapor line sizes per Tables 3.
•
Use liquid lines per Table 10.
•
Vapor line traps are not required.
Table 10 - Puron Refrigerant Maximum Total Equivalent Length Outdoor Unit ABOVE Indoor Unit
Size
System
Type
Liquid
Line
Diameter
Vertical Separation ft (m) Outdoor unit ABOVE indoor unit
25
(7.6)
26 --- 50
(7.9 --- 15.2)
51 --- 75
(15.5 --- 22.9)
76 --- 100
(23.2 --- 30.5)
101 --- 125
(30.8 --- 38.1)
18000
AC Only
1/4
150*
150*
150*
150*
150*
AC Only
5/16
150*
150*
150*
150*
150*
AC/HP
3/8
150*
150*
150*
150*
150*
24000
AC Only
1/4
100
125
150*
150*
150*
AC Only
5/16
150*
150*
150*
150*
150*
AC/HP
3/8
150*
150*
150*
150*
150*
30000
AC Only
1/4
30
--- ---
--- ---
--- ---
--- ---
AC Only
5/16
150*
150*
150*
150*
150*
AC/HP
3/8
150*
150*
150*
150*
150*
36000
AC Only
5/16
150*
150*
150*
150*
150*
AC/HP
3/8
150*
150*
150*
150*
150*
48000
AC/HP
3/8
150*
150*
150*
150*
150*
60000
AC/HP
3/8
150*
150*
150*
150*
150*
*Maximum Actual Length Not to Exceed 200ft (61 m)
Table 11 - AC / HP with Puron®
Refrigerant Long Line Description ft (m)
Beyond these lengths, long line accessories are required
AC
AC Liquid Line Size
Outdoor Above Indoor
1/4
175 (53.3)
5/16
120 (36.6)
3/8
80 (24.4)
HP
AC Liquid Line Size
Outdoor Above Indoor
3/8
80 (24.4)
Table 12 - Heat Pump Outdoor Piston Change - Outdoor Unit ABOVE Indoor Unit
Btuh
Vertical Separation ft (m) --- Outdoor Above Indoor Unit
20 --- 25
(6.1 --- 7.6)
26 --- 50
(7.9 --- 15.2)
51 --- 75
(15.5 --- 22.9)
76 --- 100
(23.2 --- 30.5)
101 --- 125
(30.8 --- 38.1)
126 --- 150
(38.4 --- 45.7)
151 --- 175
(46.0 --- 53.3)
176 --- 200
(53.6 --- 61.0)
18,000
+1
+1
+2
+3
+3
+4
+5
+6
24,000
+1
+1
+2
+3
+4
+5
+6
+7
30,000
+1
+2
+2
+4
+5
+6
+8
+9
36,000
+1
+2
+2
+4
+5
+6
+8
+9
42,000
+1
+2
+3
+4
+5
+7
+8
+10
48,000
+1
+2
+3
+4
+5
+7
+9
+10
60,000
+1
+2
+3
+5
+6
+8
+10
+12
Page 29
Содержание 38C Series
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