Packaged Rooftop Air Conditioners Manual

RT-PRC010-EN22
General Data
Table GD-1— General Data — 20-40 Tons
20 Ton 25 Ton 30 Ton 40 Ton
Compressor Data
3
Number/Size (Nominal) 2/10 Ton 1/10 Ton, 1/15 Ton 2/15 Ton 4/10 Ton
Model Scroll Scroll Scroll Scroll
Unit Capacity Steps (%) 100/50 100/40 100/50 100/75/50/25
RPM 3450 3450 3450 3450
Evaporator Fans
Number/Size/Type 2/15”/FC 2/15”/FC 2/18”/FC 2/20”/FC
Number of Motors 1111
Hp Range 3-15 3-15 5-20 7
1
/
2
-30
Cfm Range
1
4000-9000 5000-11000 6000-13500 8000-18000
ESP Range — (In. WG) 0.25-4.0 0.25-4.0 0.25-4.0 0.25-4.0
Exhaust Fans 50% 100% 50% 100% 50% 100% 50% 100%
Number/Size/Type 1/15”/FC 2/15”/FC 1/15”/FC 2/15”/FC 1/15”/FC 2/15”/FC 1/18”/FC 2/18”/FC
Hp Range 1.5-3 1.5-3 1.5-3 3-5 3-5 3-7.5 5-7.5 5-10
Cfm Range 2000-6000 4000-10000 2000-6000 4000-12000 2000-7000 4000-14000 3000-11000 7500-16000
ESP Range — (In. WG) 0.25-1.4 0.2-2.0 0.25-1.4 0.2-2.0 0.25-1.4 0.2-2.0 0.25-1.4 0.2-2.0
Condenser Fans
Number/Size/Type 2/26”/Prop. 3/26”/Prop. 3/26”/Prop. 4/26”/Prop.
Hp (Each) 1.0 1.0 1.0 1.0
Cfm 14000 18300 20900 28200
Cycle/Phase 60/3 60/3 60/3 60/3
Evaporator Coil — Standard
Size (Ft
2
) 20.3 20.3 24.4 32.5
Rows/Fin Series 2/148 2/148 3/148 2/148
Tube Diameter/Surface
1
/
2
/Enhanced
1
/
2
/Enhanced
1
/
2
/Enhanced
1
/
2
/Enhanced
Evaporator Coil — High Capacity
Size (Ft
2
) 20.3 20.3 24.4 32.5
Rows/Fin Series 4/148 4/148 4/148 4/148
Tube Diameter/Surface
1
/
2
/Enhanced
1
/
2
/Enhanced
1
/
2
/Enhanced
1
/
2
/Enhanced
Condenser Coil (Aluminum Fins)
Size (Ft
2
) 35.0 35.0 46.3 63.2
Rows/Fin Series/Tube Diameter 3/144/
3
/
8
3/144/
3
/
8
3/144/
3
/
8
3/144/
3
/
8
Copper Condenser Fins (Optional) 3/144/
3
/
8
3/144/
3
/
8
3/144/
3
/
8
3/144/
3
/
8
Electric Heat
KW Range
2
30-110 30-130 30-150 50-170
Capacity Steps: 3333
Natural Gas Heat
Standard Gas Heat
Low Heat Input 235 235 350 350
High Heat Input 500 500 500 850
Standard Heating Capacity Steps: 2222
Modulating Gas Heat (Not Available on 20-40 Ton Models with Low Heat)
High Heat - Limited Modulation
4
33% 33% 33% 33%
Heat Exchanger Type Standard Standard Standard Standard
High Heat - Full Modulation
5
100% 100% 100% 100%
Heat Exchanger Type High Grade, High Grade, High Grade, High Grade,
Stainless Steel Stainless Steel Stainless Steel Stainless Steel
Hot Water Coil
Size (Inches) 30x66x2 Row 30x66x2 Row 30x66x2 Row 42x66x2 Row
Type Type W, Prima Flo Type W, Prima Flo Type W, Prima Flo Type W, Prima Flo
High Heat (Fins/Ft) 110 110 110 110
Low Heat (Fins/Ft) 80 80 80 80
Steam Coil
Size (Inches) 30x66x1 Row 30x66x1 Row 30x66x1 Row 30x66x1 Row & 12x66x1 Row
Type Type NS Type NS Type NS Type NS
High Heat (Fins/Ft) 96 96 96 96
Low Heat (Fins/Ft) 42 42 42 42