Physical Data
PHYSICAL DATA
Model No. RA1618A RA1624A RA1630A RA1636B RA1642A RA1648A RA1660A
Nominal Tonnage 1.5 2.0 2.5 3.0 3.5 4.0 5.0
Valve Connections
Liquid Line O.D. – in. 3/8 3/8 3/8 3/8 3/8 3/8 3/8
Suction Line O.D. – in. 3/4 3/4 3/4 3/4 7/8 7/8 7/8
Refrigerant (R410A) furnished oz.¹ 82 87 113 108 150 174 201
Compressor Type Scroll
Outdoor Coil
Net face area – Outer Coil 12.1 14.8 16.2 17.29 24.2 28.3 32.3
Net face area – Inner Coil — — — — — — —
Tube diameter – in. 3/8 3/8 3/8 3/8 3/8 3/8 3/8
Number of rows 1 1 1 1 1 1 1
Fins per inch 22 22 22 22 22 22 22
Outdoor Fan
Diameter – in. 20 24 26 24 26 26 26
Number of blades 3 2 3 3 3 3 3
Motor hp 1/8 1/6 1/5 1/6 1/3 1/3 1/3
CFM 2405 2850 3915 3300 4450 4660 4775
RPM 1095 851 710 825 829 828 795
watts 155 147 102 167 193 198 239
Shipping weight – lbs. 147 149 159 199 212 232 247
Operating weight – lbs. 140 142 152 192 205 225 240
Electrical Data
Line Voltage Data (Volts-Phase-Hz) 208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60 208/230-1-60
Maximum overcurrent protection (amps)² 20 20 30 35 40 40 50
Minimum circuit ampacity³ 12 14 18 21 25 25 34
Compressor
Rated load amps 9 10.3 12.8 15.4 16.7 17 23.7
Locked rotor amps 47.5 61.6 67.3 83.9 109 123.9 152.5
Condenser Fan Motor
Full load amps 0.7 0.6 1.4 0.8 3.5 5.3 3.5
Locked rotor amps 1.3 1.5 2.3 1.5 — 2.3 —
Line Voltage Data (Volts-Phase-Hz) — — — 208/230-3-60 208/230-3-60 208/230-3-60 208/230-3-60
Maximum overcurrent protection (amps)²
— — — 20 25 30 35
Minimum circuit ampacity³
— — — 14 18 21 24
Compressor
Rated load amps — — — 10.4 11.2 13.6 15.9
Locked rotor amps — — — 73 88 83.1 110
Condenser Fan Motor
Full load amps — — — 0.8 3.5 3.5 3.5
Locked rotor amps — — — 1.5 — 2.3 —
¹Refrigerant charge sufficient for 15 ft. length of refrigerant lines. For longer line set requirements see the installation instructions for information about set length and additional
refrigerant charge required.
²HACR type circuit breaker of fuse.
³Refer to National Electrical Code manual to determine wire, fuse and disconnect size requirements.
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