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23RT-PRC010-EN
Table GD-1— General Data — 20-40 Tons Continued
General Data
20 Ton 25 Ton 30 Ton 40 To n
Filters
Panel Filters
Number/Size (Inches) 12 — 20x20x2 12 — 20x20x2 16 — 20x20x2 16 — 20x25x2
Face Area (Ft
2
) 33.3 33.3 44.4 55.5
Bag Filters
Number/Size (Inches) 4 — 12x24x19 4 — 12x24x19 2 — 12x24x19 5 — 12x24x19
3 — 24x24x19 3 — 24x24x19 6 — 24x24x19 6 — 24x24x19
Cartridge Filters 4 — 12x24x12 4 — 12x24x12 2 — 12x24x12 5 — 12x24x12
3 — 24x24x12 3 — 24x24x12 6 — 24x24x12 6 — 24x24x12
Prefilters (For Bag & Cartridge) 4 — 12x24x2 4 — 12x24x2 2 — 12x24x2 5 — 12x24x2
3 — 24x24x2 3 — 24x24x2 6 — 24x24x2 6 — 24x24x2
Face Area (Ft
2
) 20.0 20.0 28.0 34.0
Standard Unit Minimum Outside Air Temperature For Mechanical Cooling
Without Hot Gas Option 55 F 50 F 50 F 55 F
With Hot Gas Option 55 F 50 F 50 F 55 F
Low Ambient Option Minimum Outside Air Temperature
Without Hot Gas Option 0 F 0 F 0 F 0 F
With Hot Gas Option 10 F 10 F 10 F 10 F
Notes:
1. For cfm values outside these ranges, refer to RT-EB-104.
2. Refer to Table PD-30 for availability of electric heat kw ranges by voltage.
3. 20-30 Ton models are single circuit, 40 Ton models are dual circuit.
4. The firing rate of the unit can vary from 33% of the Heater Mbh up to the nameplate rating of the unit.
5. The firing rate of the unit can vary from pilot rate of 125,000 Btuh up to the nameplate rating of the unit.