80
Table D — Physical Data - Horizontal (Cooling) 15 To 17.5 Tons (RTPF Coils)
48TC*D18 48TC*E18 48TC*D21 48TC*E21
REFRIGERATION SYSTEM RTPF RTPF RTPF RTPF
# 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
-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
) 22 22 22 22
Condensate drain conn. size
3
/
4
-in.
3
/
4
-in.
3
/
4
-in.
3
/
4
-in.
HUMIDI-MIZER 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
) — 22 — 22
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 2.9 3.7 3.7
Max BHP 2.9 2.9 3.7 3.7
RPM Range 514-680 514-680 622-822 622-822
Max blower / shaft RPM 1100 1100 1100 1100
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 / Drive type 1 / 1 /Belt 1 / 1 /Belt 1 / 1 /Belt 1 / 1 /Belt
Nominal nameplate HP 3.7 3.7 5.25 5.25
Max BHP 3.7 3.7 4.9 4.9
RPM Range 614-780 614-780 713-879 713-879
Max blower / shaft RPM 1100 1100 1100 1100
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 / Drive type 1 / 1 /Belt 1 / 1 /Belt — —
Nominal nameplate HP 5.25 5.25 — —
Max BHP 4.9 4.9 — —
RPM Range 746-912 746-912 — —
Max blower / shaft RPM 1100 1100 — —
Motor frame size 56 56 — —
Fan qty / Type 2 / Centrifugal 2 / Centrifugal — —
Fan diameter (in.) 18 x 15/15 X 11 18 x 15/15 X 11 — —
High
Static -
High
Efficiency
Motor qty / Belt qty / Drive type — — 1 / 1 /Belt 1 / 1 /Belt
Nominal nameplate HP — — 5.0 5.0
Max BHP — — 6.5/ 6.9/ 7.0/ 8.3 6.5/ 6.9/ 7.0/ 8.3
RPM Range — — 835-1021 835-1021
Max blower / shaft RPM — — 1100 1100
Motor frame size — — 184T 184T
Fan qty / Type — — 2 / Centrifugal 2 / Centrifugal
Fan diameter (in.) — — 18 x 15/15 X 11 18 x 15/15 X 11
COND. COIL (CIRCUIT A)
Coil type RTPF RTPF RTPF RTPF
Coil length (in.) 70 70 72 72
Coil height (in.) 44 44 44 44
Rows / FPI 2 /17 2 /17 2
/17 2 /17
Total face area (ft
2
) 21.4 21.4 22.0 22.0
APPENDIX B — PHYSICAL DATA