Description
Tekmar 294EXP Smart Boiler Control Expansion Module, Four tN4, Up to 16 Boilers, 3-Wire Communication.
Product Overview:
The Smart Boiler Expansion 294EXP expands the Smart Boiler Control 294 in groups of four boilers up to a maximum of sixteen boilers. The 294EXP connects to the Smart Boiler Control 294 through a three-wire communication cable.
Features:
- LED status indicators for power, communication, each boiler and pump/valve
- Expansion for 4 boilers
- 3-wire communication
- Boiler configuration selected by DIP switches
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 < 6560 feet (2000 m), Installation Category II, Pollution Degree 2 |
| Dimensions | 9″ H x 8″ W x 2-11/32″ D (229 x 203 x 60 mm) |
| Enclosure Material | Blue ABS plastic |
| Enclosure NEMA Rating | NEMA 1 |
| 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, 6W |
| Pump Relay | 230 V (ac), 5A, 1/3 hp |
Technical Downloads:
- Tekmar 294: Application Brochure – Smart Boiler Control 294
- Tekmar 294: Catalog – tekmar Controls
- Tekmar 294: Flyer – Smart Boiler Control 294
- Tekmar 294: Installation Instructions – Smart Boiler Control 294
- Tekmar 294: Installation Instructions – Watts OnSite
- Tekmar 294: Job Record – Smart Boiler Control 294
- Tekmar 294: Specification Sheet – Smart Boiler Control 294
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