53
APPENDIX II. PHYSICAL DATA
Table 12 – PHYSICAL DATA − VERTICAL (COOLING) 15 − 27.5 TONS
RTPF (Round Tube/Plate Fin Coil Design)
50TC-D17 50TC-E17 50TC-D20 50TC-E20
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) 16.3/17.5 25.9/25.7 16.3/17.5 25.9/25.7
Metering device Acutrol TXV Acutrol 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" 3/8" 3/8" 3/8"
Rows / FPI 4 / 15 4 / 15 4 / 15 4 / 15
total face area (ft
2
) 22.00 22.00 22.00 22.00
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" n/a 3/8"
Rows / FPI n/a 1 / 17 n/a 1 / 17
total face area (ft
2
) n/a 22.00 n/a 22.00
Evap. fan and motor
VERTICAL
Standard
Static
Motor Qty / Belt Qty / Driver Type 1 / 1 / Belt 1 / 1 / Belt 1 / 1 / Belt 1 / 1 / Belt
Max BHP 2.2 2.2 3.3 3.3
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) 15 x 15 15 x 15 15 x 15 15 x 15
Medium
Static
Motor Qty / Belt Qty / Driver Type 1 / 1 / Belt 1 / 1 / Belt 1 / 1 / Belt 1 / 1 / Belt
Max BHP 3.3 3.3 4.9 4.9
RPM range 679-863 679-863 713-879 713-879
motor frame size 56 56 56 56
Fan Qty / Type 2 / Centrifugal 2 / Centrifugal 2 / Centrifugal 2 / Centrifugal
Fan Diameter (in) 15 x 15 15 x 15 15 x 15 15 x 15
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 826-1009 826-1009 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) 15 x 15 15 x 15 n/a n/a
High
Static-
High
Efficiency
Motor Qty / Belt Qty / Driver Type n/a n/a 1 / 1 / Belt 1 / 1 / Belt
Max BHP (208/230/460/575v) 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 882-1078 882-1078
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 15 x 15 15 x 15