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APPENDIX II. PHYSICAL DATA
Table 14. Physical data
(Cooling)
15 and 20 Tons
50TCQ17
50TCQ24
Refrigeration System
# Circuits / # Comp. / Type
2 / 2 / Scroll
2 / 2 / Scroll
R---410a charge A/B (lbs)
16.0/16.5
23.4/23.4
Metering Device
TXV
TXV
High---press. Trip / Reset (psig)
630 / 505
630 / 505
Low---press. Trip / Reset (psig)
24 / 45
24 / 45
Evaporator Coil
Material
Cu / Al
Cu / Al
Tube Diameter
3/8---in
3/8---in
Rows / FPI
3 / 15
4 / 15
Total face area (ft2)
19.56
22.00
Condensate drain conn. size
3/4---in
3/4---in
Evaporator Fan And Motor
VERTICAL
Sta
nd
ar
d
Sta
tic
Motor Qty / Drive type
1 / Belt
1 / Belt
Max BHP
2.2
4.9
RPM range
514---680
690---863
Motor frame size
56
56
Fan Qty / Type
2 / Centrifugal
2 / Centrifugal
Fan Diameter (in)
15 x 15
15 x 15
Me
di
um
Sta
tic
Motor Qty / Drive type
1 / Belt
n/a
Max BHP
3.3
n/a
RPM range
679---863
n/a
Motor frame size
56
n/a
Fan Qty / Type
2 / Centrifugal
n/a
Fan Diameter (in)
15 x 15
n/a
Hi
gh
S
tat
ic
Motor Qty / Drive type
1 / Belt
n/a
Max BHP
4.9
n/a
RPM range
826---1029
n/a
Motor frame size
56
n/a
Fan Qty / Type
2 / Centrifugal
n/a
Fan Diameter (in)
15 x 15
n/a
Me
di
um
Sta
tic
Hi
gh
E
ff
Motor Qty / Drive type
n/a
1 / Belt
Max BHP
n/a
6.5/6.9/7.0/8.3
RPM range
n/a
835---1021
Motor frame size
n/a
184T
Fan Qty / Type
n/a
2 / Centrifugal
Fan Diameter (in)
n/a
15 x 15
Hi
gh
S
tat
ic
Hi
gh
E
ff
Motor Qty / Drive type
n/a
1 / Belt
Max BHP
n/a
10.5/11.9/11.9/11.0
RPM range
n/a
941---1176
Motor frame size
n/a
213T
Fan Qty / Type
n/a
2 / Centrifugal
Fan Diameter (in)
n/a
15 x 15