73
Table B — PHYSICAL DATA (Cooling) 20 to 25 Tons
581J*24D/F 581J*24K/M 581J*28D/F 581J*28K/M
Refrigeration System
# Circuits/# Comp./Type 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll
R-410A charge A/B (lbs) 23.8/23.1 30.0/30.7 24.9/27.7 35.1/35.4
oil A/B (oz)
Metering device TXV TXV TXV TXV
High-press. trip/reset (psig) 630 / 505 630 / 505 630 / 505 630 / 505
Low-press. trip/reset (psig) 54 / 117 27 / 44 54 / 117 27 / 44
Evaporator Coil
Material Cu / Al Cu / Al Cu / Al Cu / Al
Tube diameter
3
/
8
-in. RTPF
3
/
8
-in. RTPF
3
/
8
-in. RTPF
3
/
8
-in. RTPF
Rows/FPI 4 / 15 4 / 15 4 / 15 4 / 15
Total face area (ft
2
)26262626
Condensate drain conn. size
3
/
4
-in.
3
/
4
-in.
3
/
4
-in.
3
/
4
-in.
Perfect Humidity Coil
Material — Cu / Al — Cu / Al
Tube diameter —
3
/
8
-in. RTPF —
3
/
8
-in. RTPF
Rows/FPI — 1 / 17 — 1 / 17
Total face area (ft
2
)— 26 — 26
Evaporator fan and motor
VERTICAL
STANDARD STATIC
Motor qty/Belt qty/Driver type — — 1 / 1 /Belt 1 / 1 /Belt
Nominal nameplate H.P. — — 5.25 5.25
Max BHP — — 4.9 4.9
RPM range — — 717-911 717-911
Max blower/Shaft RPM — — 1200 1200
Motor frame size — — 56 56
Fan qty/Type — — 2 / Centrifugal 2 / Centrifugal
Fan diameter (in.) — — 15 x 15 15 x 15
MEDIUM STATIC
Motor qty/Belt qty/Driver type — — — —
Nominal nameplate H.P. — — — —
Max BHP — — — —
RPM range — — — —
Max blower/Shaft RPM — — — —
Motor frame size — — — —
Fan qty/Type — — — —
Fan diameter (in.) — — — —
STANDARD STATIC -
HIGH EFFICIENCY
Motor qty/Belt qty/Driver type 1 / 1 /Belt 1 / 1 /Belt — —
Nominal nameplate H.P. 5.0 5.0 — —
Max BHP 6.5/ 6.9/ 7.0/ 8.3 6.5/ 6.9/ 7.0/ 8.3 — —
RPM range 690-863 690-863 — —
Max blower/Shaft RPM 1200 1200 — —
Motor frame size 184T 184T — —
Fan qty/Type 2 / Centrifugal 2 / Centrifugal — —
Fan diameter (in.) 15 x 15 15 x 15 — —
MEDIUM STATIC -
HIGH EFFICIENCY
Motor qty/Belt qty/Driver type 1 / 1/ Belt 1 / 1/ Belt 1 / 1/ Belt 1 / 1/ Belt
Nominal nameplate H.P. 5.0 5.0 5.0 5.0
Max BHP 6.5/ 6.9/ 7.0/ 8.3 6.5/ 6.9/ 7.0/ 8.3 6.5/ 6.9/ 7.0/ 8.3 6.5/ 6.9/ 7.0/ 8.3
RPM range 835-1021 835-1021 913-1116 913-1116
Max blower/Shaft RPM 1200 1200 1200 1200
Motor frame size 184T 184T 184T 184T
Fan qty/Type 2 / Centrifugal 2 / Centrifugal 2 / Centrifugal 2 / Centrifugal
Fan diameter (in.) 15 x 15 15 x 15 15 x 15 15 x 15
HIGH STATIC -
HIGH EFFICIENCY
Motor qty/Belt qty/Driver type 1 / 1 /Belt 1 / 1 /Belt 1 / 1 /Belt 1 / 1 /Belt
Nominal nameplate H.P. 7.5 7.5 7.5 7.5
Max BHP 10.5/11.9/11.9/11 10.5/11.9/11.9/11 10.5/11.9/11.9/11 10.5/11.9/11.9/11
RPM range 941-1176 941-1176 941-1176 941-1176
Max blower/Shaft RPM 1200 1200 1200 1200
Motor frame size 213T 213T 213T 213T
Fan qty/Type 2 / Centrifugal 2 / Centrifugal 2 / Centrifugal 2 / Centrifugal
Fan diameter (in.) 15 x 15 15 x 15 15 x 15 15 x 15
APPENDIX B — PHYSICAL DATA