294
Part of the Multi-Staging Controls Series
Ordering Code: 294
UPC: 779655029406
Smart Boiler Control, Four tN4, Four Boiler, DHW, Setpoint, Web/Mobile App Notification
The Smart Boiler Control 294 provides central and indirect domestic hot water heating or volume domestic hot water heating by operating up to four boilers. This can be expanded in groups of four boilers through the use of expansion controls up to a maximum of sixteen boilers. The 294 operates both condensing and non-condensing boilers that are either modulating, single, two, three or four-stage to provide a flexible, cost effective hybrid boiler plant solution. The Watts(R) OnSite web and mobile applications provide real-time remote monitoring, setting adjustments, and notifications.
- Remote access using Watts OnSite web/mobile app and notifications through email, SMS or push messages
- Operates 4 boilers, expandable up to 16 using expansion controls
- Sequential or parallel staging for condensing and non-condensing boiler groups
- Central heating using outdoor reset, indirect DHW, dedicated DHW, setpoint and tekmarNet calls
- Supports reverse return, primary-secondary and variable primary flow piping systems
- 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 < 6560 feet (2000 m), Installation Category II, Pollution Degree 2 |
| Calls | 24 V (ac) or Short |
| Control Type | Microprocessor control, this is not a safety (limit) control |
| Dimensions | 9 IN H x 8 IN W x 2 11/32 IN D (229 x 203 x 60 MM) |
| Display | 5" color touchscreen |
| 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, 9 W |
| Pump Relay | 230 V (ac), 5A, 1/3 hp |
| Sensor | NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta=3892 |
Literature
-
- Application Brochure - Smart Boiler Control 294
- Flyer - Smart Boiler Control 294
- Installation and Operating Manual - Watts On-Site (Jan 2024 - Present)
- Installation, Operating and Maintenance Manual - Smart Boiler Control 294 (June 2023 - Present)
- Job Record - Smart Boiler Control 294 (June 2023 - Present)
- Specification Sheet - Smart Boiler Control 294
Archived