82
Table E — Physical Data - Horizontal (Cooling) 20 To 25 Tons (RTPF Coils) 
48TC*D25 48TC*E25 48TC*D29 48TC*E29
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) 23.8/23.1 30.0/30.7 24.9/27.7 35.1/35.4
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
) 26 26 26 26
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
) — 26 — 26
EVAP. FAN AND MOTOR
Standard
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 690-863 690-863 — —
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 — —
Medium
Static - 
High
Efficiency
Motor qty / Belt qty / Drive type 1 / 1 /Belt  1 / 1 /Belt  1 / 1 /Belt  1 / 1 /Belt 
Nominal nameplate HP 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 755-923 755-923
Max blower / shaft RPM 1100 1100 1100 1100
Motor frame size 184T 184T 184T 184T
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 - 
High
Efficiency
Motor qty / Belt qty / Drive type 1 / 1 /Belt  1 / 1 /Belt  1 / 1 /Belt  1 / 1 /Belt 
Nominal nameplate HP 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 941-1100 941-1100 906-1100 906-1100
Max blower / shaft RPM 1100 1100 1100 1100
Motor frame size 213T 213T 213T 213T
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
COND. COIL (CIRCUIT A)
Coil type RTPF RTPF RTPF RTPF
Coil length (in.) 82 82 95 95
Coil height (in.) 52 52 52 52
Rows / FPI 2 /17 2 /17 2 /17 2 /17
Total face area (ft
2
) 29.6 29.6 34.3 34.3
COND. COIL (CIRCUIT B)
Coil type RTPF RTPF RTPF RTPF
Coil length (in.) 80 80 95 95
Coil height (in.) 52 52 52 52
Rows / FPI 2 /17 2 /17 2 /17 2 /17
Total face area (ft
2
) 29.6 29.6 34.3 34.3
COND. FAN / MOTOR
Qty / Motor drive type 4/ direct 4/ direct 6 / direct 6 
/ direct
Motor HP / RPM
1
/
4
 / 1100
1
/
4
 / 1100
1
/
4
 / 1100
1
/
4
 / 1100
Fan diameter (in.) 22 22 22 22
FILTERS
RA filter # / size (in.) 9 / 16 x 25 x 2 9 / 16 x 25 x 2 9 / 16 x 25 x 2 9 / 16 x 25 x 2
OA inlet screen # / size (in.) 4 / 16 x 25 x 1 4 / 16 x 25 x 1 4 / 16 x 25 x 1 4 / 16 x 25 x 1
APPENDIX B — PHYSICAL DATA