Universal Reset Control – Two Mixing, Two Stage Boiler, DHW & Setpoint
The Universal Reset Control 374 is designed to operate all of the mechanical equipment in a residential hydronic heating system. It can be used in applications ranging from a single zone of baseboard with an on/off boiler to multiple fan coils, low temperature staple up zones, low temperature in-slab radiant zones, domestic hot water, and 2 on/off boilers. It regulates up to three space heating water temperatures through Outdoor Temperature Reset. It is capable of controlling up to 2 on/off boilers, up to 2 mixing devices (either variable speed pumps or floating action mixing valves), and Domestic Hot Water or setpoint loads.
Features
- DHW pump or valve operation, DHW priority (optional)
- 3 Outdoor temperature reset controlled water temperatures, control up to 2 on/off boilers
- Equal run time rotation, 2 X variable speed pump outputs or 2 X floating action mixing outputs
- Quick setup for easy installation, user comfort adjustment to increase or decrease building space temperature
- Boiler load reset, automatic boiler differential
- Outdoor temperature reset, warm weather shut down
- CSA C US certified (approved to applicable UL standards)
- Advanced settings to fine-tune building requirements, test sequence to ensure proper operation
- Powered boiler system and mixing system pump outputs, exercising
| 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 90 percent Non-condensing, Altitude less than 6560 ft. (2000 m), Installation Category II, Pollution Degree 2 |
| Control Type | Microprocessor control, this is not a safety (limit) control |
| Demand | 20 to 260 V (ac) 2 VA |
| Dimensions | 6-5/8″ H x 7-9/16″ W x 2-13/16″ D (170 x 193 x 72 mm) |
| Enclosure Material | Blue PVC plastic |
| Enclosure NEMA Rating | NEMA 1 |
| Hydronic – HVAC Control Type | Universal Reset Control |
| Power Supply | 115 V (ac) plus / minus 10 percent, 50/60 Hz, 1750 VA |
| Relay | 230 V (ac) 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 |
| Variable Pump | 230 V (ac) 2.4A 1/6 hp, fuse T2.5 A 250 V |
| Zone Valve Load | 89 VA, 24 V (ac), 3.7 A for zones 1 to 4 |
Resources
Fast Shipping and Professional Packaging
We can offer a variety of shipping options due to our long-term relationship with UPS FedEx DHL. Our warehouse personnel will pack each item according to our strict requirements. Before they are shipped, your goods will be thoroughly examined and secured. We ship to thousands clients every day in a variety of countries. This shows our commitment to being the largest retailer online in the world. Both Europe and the USA have distribution and warehouse centers.
Note: Orders with more than one item are assigned a specific processing time dependent on the particular product.
Prior to shipment We will inspect thoroughly the items you've ordered. The majority of orders are delivered within 48 hrs. Expected delivery time is between 3 and 7 days.
Returns
The inventory is always changing and we are unable to fully manage it because of the fact that many parties are involved, including our warehouse and factory. Stock levels can fluctuate at any time. It's possible that you may not receive your order after the order has been made.
Our policy is valid for 30 days. If you don't receive your product within the 30 days period, we are not able to issue either a return or exchange.
In order to be eligible for a refund your item must be in good condition and in the same condition as you received it in. You must have the item in the original packaging.
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