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Staging Controller — Not a Heat Pump
Tekmar Smart Heat Pump Control 291
Coordinate four heat pumps onboard or expand staged commercial plants to sixteen units.
$2,159
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Installed in real homes and workshops
Customer Success Stories
The Apollo heat pump system is very efficient, quiet, and easy to install. It stands out for its clear design, well-organized components, and advanced features like a touchscreen and remote monitoring through an app. It also allows precise temperature control and includes an electric backup for very cold conditions. Overall, it's a reliable and practical system.
Maximizing Efficiency with Apollo Heat Pump
Economical performance that isn't affected by low temperatures.
Product details
- Scales to 16 units
- 2-pipe or 4-pipe
- Nexa remote access
- Boiler-ready staging
Tekmar Smart Heat Pump Control 291
Advanced Hydronic Heat Pump System Control
The Tekmar Smart Heat Pump Control 291 is designed to manage advanced hydronic heat pump systems in 2-pipe or 4-pipe configurations. It operates up to four onboard heat pumps and can be expanded for larger residential, multifamily, and small commercial systems requiring heating, cooling, mixed temperatures, domestic hot water, or backup boiler integration.
Key Benefits
- Flexible System Design: Supports 2-pipe and 4-pipe layouts, including simultaneous heating and cooling of buffer tanks in 4-pipe systems.
- Expandable Heat Pump Control: Operates up to 4 heat pumps onboard and expands up to 16 heat pumps with Smart Heat Pump Expansion 291EXP modules.
- Remote Access with Nexa: Ethernet and 2.4 GHz Wi-Fi connectivity allow remote monitoring, setting adjustments, and notifications through Nexa web and mobile apps.
- Mixed Temperature Support: Add Smart Mix Expansion 295 modules to control up to 3 mixed-temperature loops using outdoor reset.
- Backup Boiler Ready: Supports a single backup boiler or a dedicated boiler loop with the Tekmar Smart Boiler Control 294.
- Installer-Friendly Interface: A 5-inch color touchscreen with setup wizard simplifies configuration, monitoring, and service access.
- Smart System Protection: Includes heat pump staging, run-time rotation, service alerts, pump control, and temperature protection logic.
Specifications
- Application: Hydronic heat pump control for 2-pipe and 4-pipe systems
- Heat Pump Capacity: Controls 4 onboard heat pumps; expandable up to 16 heat pumps with 291EXP modules
- Display: 5-inch color touchscreen
- Dimensions: 9 in H x 8 in W x 2 11/16 in D
- Power Supply: 115 V(ac) +/-10%, 60 Hz, 7 W
- Pump Relays: 230 V(ac), 5 A, 1/3 hp
- Staging Relays: 230 V(ac), 5 A, 1/10 hp
- Modulating Outputs: 0-10 V(dc) or 4-20 mA
- Communications: 10/100 Ethernet, Wi-Fi 802.11b/g/n, 2.4 GHz, WPA2 encryption
- Included Sensors: 1 Outdoor Sensor 070 and 4 Universal Sensor 082
- Enclosure: Blue ABS plastic, NEMA type 1
- Approvals: CSA C US, FCC Part 15B, CAN ICES-3(B)/NMB-3(B)
- Warranty: Limited 3 year
| Base capacity | Controls up to 4 heat pumps onboard |
|---|---|
| Expansion | Up to 16 heat pumps with 291EXP modules |
| Piping layouts | 2-pipe shared loop or 4-pipe dedicated hot/cold tanks |
| Mixed-temperature loops | Up to 3 with Smart Mix Expansion 295 modules |
| Backup boiler | Direct or through Tekmar Smart Boiler Control 294 |
| Remote monitoring | Nexa web/mobile through Ethernet or Wi-Fi |
| Interface | 5 in color touchscreen setup wizard |
| Electrical / warranty | 115V / 60Hz / 7W; 3 years |
- Base capacity
- Controls up to 4 heat pumps onboard
- Expansion
- Up to 16 heat pumps with 291EXP modules
- Piping layouts
- 2-pipe shared loop or 4-pipe dedicated hot/cold tanks
- Mixed-temperature loops
- Up to 3 with Smart Mix Expansion 295 modules
- Backup boiler
- Direct or through Tekmar Smart Boiler Control 294
- Remote monitoring
- Nexa web/mobile through Ethernet or Wi-Fi
- Interface
- 5 in color touchscreen setup wizard
- Electrical / warranty
- 115V / 60Hz / 7W; 3 years
MBTEK Google Reviews
Verified Google reviews from MBTEK customers across our heating and hydronic product lines.
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