Carrier 38AU Air Conditioner User Manual


 
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Table 2A Physical Data 38AUD*16-25 Units — 60 Hz English
UNIT SIZE 38AU D*16 D*25
NOMINAL CAP ACITY (tons) 15 20
OPERATING WEIGHTS (lb)
NOVATIONCoil (Al Tube) 633 ---
Round Tube/Plate Fin Coil (Cu/Al) 731 900
REFRIGERANT TYPE
R-410A
NOVA TION Operating Charge A/B, Typical (lb )
12.0 / 12.0 ---
NOVA TION Shipping Charge A/B (lb) 6.0 / 6.0 ---
RTPF Operating Charge A /B, Typical (lb)
22.0 / 22.0 19.0 / 19.0
RTPF Shipping Charge A/B (lb) 16.0 / 16.0 14.0 / 14.0
COMPRESSOR
Qty ...Type 2...Scroll 2...Scroll
Oil Charge A/B (oz) 60 / 60 110 / 110
CONDENSER FANS
Qty ...Rpm 3...1100 4...1100
Motor H p
1
/4
1
/
4
Diameter 22 22
Nominal Airflow (Cfm Total) 9,000 12,000
Watts (Total) 970 1150
RTPF CONDENSER COIL
Material (Tube/Fin) Cu / Al Cu / Al
Coil Type
3
/
8
--- in RTPF
3
/
8
--- in RTPF
Face Area (sq ft total) 47 50
Rows/Fins per inch (FPI) 2/17 2/17
NOVATION CONDENSER COIL
Material (Tube/Fin) Al / Al ---
Coil Type Novation ---
Face Area (sq ft total) 50 ---
Rows/Fins per inch (FPI) 1/17 ---
CONTROLS
Pressurestat Settings (psig)
High Cutout 630 ± 10
Cut-in 505 ± 20
Low Cutout 54 ± 3
Cut-in 117 ± 5
PIPING CONNECTIONS (in. ODS)
Qty...Suction 2...1
3
/
8
2...1
3
/
8
Qty ...Liquid 2...
1
/
2
2...
1
/
2
LEGEND
RTPF — Round Tube/Plate Fin
ODS — Outside Diameter Sweat (socket)
Unit is factory-supplied with partial charge only.
Typical operating charge with 25 ft of interconnecting piping.
38AU