262
Discontinued - Replaced By: 294
Part of the Multi-Staging Controls Series
Ordering Code: 262
UPC: 779655026201
262 Boiler Control
The boiler control 262 is designed to stage multiple boilers using outdoor temperature rReset. It can be used in applications ranging from a single zone of baseboard, multiple baseboard and fan coil zones, to dedicated domestic hot water heating in commercial buildings. This control regulates a single heating water temperature through Outdoor Temperature Reset, setpoint, and DHW target control. It is capable of controlling (stage and rotate) up to 2 on/off boilers, or a single 2 stage boiler, as well as the system pump.
Features
- Outdoor temperature reset, setback input for energy savings
- Warm weather shut down, automatic boiler differential
- 2 Stage boiler control, exercising
- DHW pump or valve operation, DHW priority (optional)
Specifications | |
---|---|
Agency Approvals | CSA C US, meets Class B: ICES & FCC Part 15 |
Ambient Conditions | Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), RH less than or equal to 80 percent to 88 degrees F (31 degrees C), down to 50 percent above 104 degrees F (40 degrees C), Altitude less than 6560 ft. (2000 m), Installation Category II, Pollution Degree |
Control Type | Microprocessor control, this is not a safety (limit) control |
Demand | 20 to 260 V (ac) 2 VA |
Dimensions | 6 5/8 IN H x 7 9/16 IN W x 2 13/16 IN D (170 x 193 x 72 MM) |
Enclosure Material | Blue PVC plastic |
Enclosure NEMA Rating | NEMA 1 |
Hydronic - HVAC Control Type | Boiler Control |
Power Supply | 115 V (ac) plus / minus 10 percent, 60 Hz, 900 VA |
Relay | 230 V (ac) 7.5 A 1/3 hp, pilot duty 240 VA |
Sensor | NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta=3892 |