Table 8 Liebert ® Pfh Unit Charge Levels And Coupling Size; Table 9 Recommended Line Sizes, Od Cu - Liebert Prop Fan Condensing Unit User Manual

Prop fan condensing unit 50 & 60hz
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Table 8
Liebert
PFH unit charge levels and coupling size
Model Numbers
60 Hz
50 Hz
95°F (35°C) Standard Sound
PFH014A-_L7
PFH020A-_L7
PFH027A-_L7
PFH037A-_L7
PFH036A-_L7
PFH042A-_L7
PFH041A-_L7
PFH067A-_L7
PFH066A-_L7
PFH096A-_L7
PFH095A-_L7
3-ton Circuit
3-ton Circuit
5-Ton Circuit
5-Ton Circuit
105°F (41°C) High Ambient
PFH027A-_H7
PFH037A-_H7
PFH036A-_H7
PFH042A-_H7
PFH041A-_H7
PFH067A-_H7
PFH066A-_H7
Quiet-Line
PFHZ27A-_L7
PFHZ37A-_L7
PFHZ36A-_L7
PFHZ42A-_L7
PFHZ41A-_L7
PFHZ67A-_L7
PFHZ66A-_L7
Table 9
Recommended line sizes, OD Cu
PFH_14A
Equiv.
ft. (m)
Suction Liquid Suction Liquid Suction Liquid Suction Liquid Suction Liquid Suction
50 (15.2)
5/8"
3/8"
75 (22.9)
5/8"
3/8"
100 (30.5)
7/8"
3/8"
125 (38.1)
7/8"
3/8"
150 (45.7)
7/8"
3/8"
1. Suction and liquid line sizing based on < 3 psi pressure drop in each, minimum horizontal suction line velocity > 700FPM (3.6m/s).
2. Suction size should be reduced one pipe size for vertical riser sections to maintain suction line velocity > 1000FPM (5.1m/s) for proper oil
return.
R-407C Charge
lb-oz (kg)
Liquid
8-6 (3.80)
13-5 (6.04)
26-10 (12.08)
22-9 (10.23)
36-5 (16.47)
13-5 (6.04)
26-10 (12.08)
51-11 (23.45)
13-5 (6.04)
26-10 (12.08)
51-11 (23.45)
PFH_20A
PFH_27A
5/8"
3/8"
7/8"
7/8"
3/8"
7/8"
7/8"
3/8"
7/8"
7/8"
1/2"
7/8"
7/8"
1/2"
7/8"
Coupling Size
Suction
#6
#11
#6
#11
#10
#12
#6
#11
#10
#12
#6
#11
#6
#11
#10
#12
#6
#11
#6
#11
#10
#12
PFH_36A
PFH_37A
3-ton circuit
of 8-ton model
3/8"
7/8"
1/2"
3/8"
7/8"
1/2"
2
1/2"
1-1/8"
1/2"
2
1/2"
1-1/8"
1/2"
2
1/2"
1-1/8"
1/2"
17
Installation
PFH_67A
PFH_66A
PFH_42A
5-ton circuit
PFH_41A
of 8-ton model
7/8"
1/2"
1-1/8"
7/8"
1/2"
1-1/8"
1-1/8"
1/2"
1-1/8"
1-1/8"
1/2"
1-3/8"
1-1/8"
5/8"
1-3/8"
Liquid
1/2"
5/8"
5/8"
5/8"
5/8"

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