Carrier 48TC D28 Series - Page 70

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APPENDIX II. PHYSICAL DATA (cont)
Table 24 – PHYSICAL DATA − HORIZONTAL (COOLING) 15 − 25 TONS
RTPF − Round Tube/Plate Fin Coil Design
48TC*D18 48TC*E18 48TC*D21 48TC*E21
Refrigeration System
# Circuits / # Comp. / Type 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll
R-410a charge A/B (lbs) 17/16.4 24.5/25.7 17.5/16.8 25.5/25.5
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
Evap. Coil
Material Cu / Al Cu / Al Cu / Al Cu / Al
Tube Diameter 3/8" RTPF 3/8" RTPF 3/8" RTPF 3/8" RTPF
Rows / FPI 4 / 15 4 / 15 4 / 15 4 / 15
total face area (ft
2
) 22 22 22 22
Condensate drain conn. size 3/4" 3/4" 3/4" 3/4"
Humidimizer Coil
Material n/a Cu / Al n/a Cu / Al
Tube Diameter n/a 3/8" RTPF n/a 3/8" RTPF
Rows / FPI n/a 1 / 17 n/a 1 / 17
total face area (ft
2
) n/a 22 n/a 22
Evap. fan and motor
HORIZONTAL
Standard
Static
Motor Qty / Belt Qty / Driver Type 1/1/Belt 1/1/Belt 1/1/Belt 1/1/Belt
Max BHP 2.9 2.9 3.7 3.7
RPM range 514-680 514-680 622-822 622-822
motor frame size 56 56 56 56
Fan Qty / Type 2 / Centrifugal 2 / Centrifugal 2 / Centrifugal 2 / Centrifugal
Fan Diameter (in) 18 x 15/15 X 11 18 x 15/15 X 11 18 x 15/15 X 11 18 x 15/15 X 11
Medium
Static
Motor Qty / Belt Qty / Driver Type 1/1/Belt 1/1/Belt 1/1/Belt 1/1/Belt
Max BHP 3.7 3.7 4.9 4.9
RPM range 614-780 614-780 713-879 713-879
motor frame size 56 56 56 56
Fan Qty / Type 2 / Centrifugal 2 / Centrifugal 2 / Centrifugal 2 / Centrifugal
Fan Diameter (in) 18 x 15/15 X 11 18 x 15/15 X 11 18 x 15/15 X 11 18 x 15/15 X 11
High Static
Motor Qty / Belt Qty / Driver Type 1/1/Belt 1/1/Belt n/a n/a
Max BHP 4.9 4.9 n/a n/a
RPM range 746-912 746-912 n/a n/a
motor frame size 56 56 n/a n/a
Fan Qty / Type 2 / Centrifugal 2 / Centrifugal n/a n/a
Fan Diameter (in) 18 x 15/15 X 11 18 x 15/15 X 11 n/a n/a
High Static
- High Eff.
Motor Qty / Belt Qty / Driver Type n/a n/a 1/1/Belt 1/1/Belt
Max BHP n/a n/a 6.5/ 6.9/ 7.0/ 8.3 6.5/ 6.9/ 7.0/ 8.3
RPM range n/a n/a 835-1021 835-1021
motor frame size n/a n/a 184T 184T
Fan Qty / Type n/a n/a 2 / Centrifugal 2 / Centrifugal
Fan Diameter (in) n/a n/a 18 x 15/15 X 11 18 x 15/15 X 11