Carrier 48TC series, Service And Maintenance Instructions, Page: 74 / 112

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Table A — Physical Data - Vertical (Cooling) 15 To 25 Tons (Novation Coils)
48TC*D17 48TC*D20 48TC*D24 48TC*D28
REFRIGERATION SYSTEM MCHX MCHX MCHX MCHX
# Circuits / # Comp. / Type 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll
R-410A charge A/B (lbs) 9.5/12.0 9.5/12.0 14.4/12.5 12.5 / 13.0
Metering device Acutrol Acutrol Acutrol Acutrol
High-press. Trip / Reset (psig) 630 / 505 630 / 505 630 / 505 630 / 505
Low-press. Trip / Reset (psig) 54 / 117 54 / 117 54 / 117 54 / 117
EVAP. COIL
Material Cu / Al Cu / Al Cu / Al Cu / Al
Tube diameter
3
/
8
-in.
3
/
8
-in.
3
/
8
-in.
3
/
8
-in.
Rows / FPI 4 / 15 4 / 15 4 / 15 4 / 15
Total face area (ft
2
) 19.56 19.56 22.00 23.11
Condensate drain conn. size
3
/
4
-in.
3
/
4
-in.
3
/
4
-in.
3
/
4
-in.
EVAP. FAN AND MOTOR
Standard
Static
Motor qty / Belt qty / Drive type 1 / 1 /Belt 1 / 1 /Belt 1 / 1 /Belt 1 / 1 /Belt
Nominal nameplate HP 2.9 3.7 5.25 5.25
Max BHP 2.9 3.7 4.9 4.9
RPM Range 514-680 622-822 690-863 717-911
Max blower / shaft RPM 1200 1200 1200 1200
Motor frame size 56 56 56 56
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
Medium
Static
Motor qty / Belt qty / Drive type 1 / 1/ Belt — — —
Nominal nameplate HP 3.7 — — —
Max BHP 3.7 — — —
RPM Range 679-863 — — —
Max blower / shaft RPM 1200 — — —
Motor frame size 56 — — —
Fan qty / Type 2 / Centrifugal — — —
Fan diameter (in.) 15 x 15 — — —
High
Static
Motor qty / Belt qty / Drive type 1 / 1/ Belt — — —
Nominal nameplate HP 5.25 — — —
Max BHP 4.9 — — —
RPM Range 826-1009 — — —
Max blower / shaft RPM 1200 — — —
Motor frame size 56 — — —
Fan qty / Type 2 / Centrifugal — — —
Fan diameter (in.) 15 x 15 — — —
Medium
Static -
High
Efficiency
Motor qty / Belt qty / Drive type — 1 / 1/ Belt 1 / 1/ Belt 1 / 1/ Belt
Nominal nameplate HP — 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
RPM Range — 713-879 835-1021 913-1116
Max blower / shaft RPM — 1200 1200 1200
Motor frame size — 184T 184T 184T
Fan qty / Type — 2 / Centrifugal 2 / Centrifugal 2 / Centrifugal
Fan diameter (in.) — 15 x 15 15 x 15 15 x 15
High
Static -
High
Efficiency
Motor qty / Belt qty / Drive type — 1 / 1/ Belt 1 / 1/ Belt 1 / 1/ Belt
Nominal nameplate HP — 5.0 7.5 7.5
Max BHP — 6.5/ 6.9/ 7.0/ 8.3 10.5/11.9/11.9/11 10.5/11.9/11.9/11
RPM Range — 882-1078 941-1176 941-1176
Max blower / shaft RPM — 1200 1200 1200
Motor frame size — 184T 213T 213T
Fan qty / Type — 2 / Centrifugal 2 / Centrifugal 2 / Centrifugal
Fan diameter (in.) — 15 x 15 15 x 15 15 x 15
COND. COIL (CIRCUIT A)
Coil type Novation Novation Novation Novation
Coil length (in.) 70 70 82 75
Coil height (in.) 44 44 44 52
Rows / FPI 1 / 20.3 1 / 20.3 1 / 20.3 1 / 20.3
Total face area (ft
2
) 21.4 21.4 25.1 27.1
APPENDIX B — PHYSICAL DATA