291
The Smart Heat Pump Control 291 operates up to 4 heat pumps in a 2-pipe or 4-pipe configuration. The system can be built out with expansions to customize systems for maximum home comfort. The system can deliver heating and cooling of buffer tanks simultaneously (in 4-pipe configuration) and be expanded to support up to 16 heat pumps, up to 3 mix temperatures, and support a dedicated boiler loop. The Nexa(TM) by Watts web and mobile applications provide real-time remote monitoring, setting adjustments, and notifications.
Features
- Flexible heat pump system design with optional add on modules
- Remote access using Nexa by Watts web/mobile app and notifications through email, or text
- Operates 4 heat pumps, expandable up to 16 using expansion controls
- 2-pipe or 4-pipe configurations, simultaneous heating and cooling of buffer tanks (4-pipe only)
- Central heating/cooling using outdoor reset with up to 3 mix temperatures using expansion modules
- Supports a back up boiler or a back up boiler loop with a tekmar Smart Boiler Control 294
- 5-inch color touchscreen with Setup Wizard for simplified installation
| Specifications | |
|---|---|
| Agency Approvals | CSA C US, FCC Part 15B, ICES-003 Class A |
| Ambient Conditions | Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), less than 90 percent RH Non-condensing, Altitude Less Than 6560 feet (2000 m), Installation Category II, Pollution Degree 2 |
| Dimensions | 9 IN H x 8 IN W x 2 11/32 IN D (229 x 203 x 60 MM) |
| Display | 5 IN color touchscreen |
| Enclosure Material | Blue ABS Plastic |
| Enclosure NEMA Rating | NEMA 1 |
| Markets | Multifamily Homes, Single-Family Homes, Small Commercial Buildings |
| Modulating Output | 0-10 V (dc) 500 ohms minimum load impedance / 4-20 mA 1 k ohms max load impedance |
| Power Supply | 115 V (ac) plus / minus 10 percent, 60 Hz, 7 W |
| Pump Power | 230 V (ac), 5A, 1/3 hp |