REHEAT · 2 ton
VKIN UCHA-24TDC 2-ton REHEAT heat pump for veg and mother rooms
Two tons on the same low-static concealed chassis as the 18TDC — the step up when a single room needs more capacity but the duct run stays short. Full DC inverter with three-pipe hot-gas reheat, holding ±1°C and ±2% RH across the growth cycle.
Where it fits
Built for these rooms.
A third more capacity on the same low-profile concealed chassis, so the install footprint barely changes.
Holds ±1°C and ±2% RH through the growth cycle, adding or removing water as the room needs.
Low-static chassis (0–0.12 in W.C.). For longer runs or a room it can’t sit next to, choose the UCHA-36TDC.
Hot-gas reheat
Dry the room, not the plants.
- Cool & dehumidify
The main indoor coil pulls water out of the air until the room hits its humidity setpoint (30–90% RH).
- Recover the heat
Hot refrigerant gas runs through a second indoor coil, so the heat the compressor already made warms the dried air back up.
- Hold temperature
Supply air leaves at your setpoint, so lights-off dehumidification doesn’t chill the canopy, and there’s no electric strip reheat.
Manufacturer data
UCHA-24TDC specifications
| Nominal capacity | 2 ton |
|---|---|
| Cooling capacity | 24,000 Btu/h (12,000–28,000) |
| EER2 / SEER2 | 10.66 / 17.40 Btu·h/W·h |
| Cooling @ 5°F | 25,931 Btu/h · EER2 26.2 |
| Heating capacity | 24,000 Btu/h (12,000–30,000) |
| COP / HSPF2 | 2.81 · 10.4 / 8.4 |
| Heating @ 5°F | 20,130 Btu/h · COP 2.56 |
| Electric aux heat | 1.20 kW |
| Dehumidification — cooling mode | 215.0 pints/day (DB 80.6°F, RH 60%) |
| Dehumidification — constant temp | 296.6 pints/day (DB 80.6°F, RH 80%) |
| Humidification | 101.3 pints/day |
| Indoor airflow | 706 / 588 / 500 CFM |
| External static pressure | Rated 0 · range 0–0.12 in W.C. |
| Indoor unit | 47.2″ × 10.6″ × 22.8″ · 32–46 dB(A) |
| Outdoor unit | 37.8″ × 31.9″ × 15.6″ · ≤53 dB(A) |
| Refrigerant piping | 3/8 – 1/2 – 5/8″ (liquid/gas/reheat) |
| Refrigerant | R454B |
| Throttle | EEV ×2 indoor · EEV ×1 outdoor |
| Operating range | Indoor 50–88°F · Ambient 5–118°F |
| Humidity setting | 30–90% RH |
| Power supply | 208–277V · 1Ph · 50/60Hz |
| Power input | 2,250 W (500–3,200) |
| Rated current | 9.8 A (2.37–15.15) |
| Heating input | 2,500 W (530–3,500) · 10.8 A |
| HSPF2 IV / V | 10.40 / 8.40 Btu·h/W·h |
| Indoor fan motor | DC |
| Outdoor fan motor | DC |
| Compressor | Rotary |
| Drain connection | 1/2″ external thread · drain pump standard |
| Max. allowable pressure | 609 psi |
Specifications are from the manufacturer datasheet and may change without notice. The unit rating plate governs.
Questions
UCHA-24TDC FAQ
How much water does the UCHA-24TDC remove?
About 215 pints per day (8.96 pints/hour) in cooling mode at 80.6°F and 60% RH, and about 297 pints per day in constant-temperature mode at 80.6°F and 80% RH.
What power does the UCHA-24TDC need?
Single-phase 208–277V, 50/60 Hz. Rated cooling input is 2,250 W at 9.8 A.
What’s the difference from the UCHA-18TDC?
Same chassis family and features, including the built-in humidifier, with 24,000 Btu/h instead of 18,000 and 706 CFM instead of 530.
Does it work in cold climates?
Yes. It heats at 20,130 Btu/h with a COP of 2.56 at 5°F outdoors, and runs in ambient temperatures from 5°F to 118°F.
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