Product Specifications:
| Item | Line Volt Mechanical Tstat |
| Application | Heat Or Cool |
| Changeover Type | Automatic |
| Color | Gray |
| Compatible System Type | Fan Coil Units |
| Contact Rating Resistive @ 120v | 16A |
| Contact Rating Resistive @ 240v | 8A |
| Contact Rating Resistive @ 277v | 7.2A |
| Contact Type | Snap Action |
| Control Type | Exposed Dial |
| Cooling Full Load @ 120v | 16A |
| Cooling Full Load @ 240v | 8A |
| Cooling Locked Rotor @ 120v | 96A |
| Cooling Locked Rotor @ 240v | 48A |
| Dehumidification Control | No |
| Depth | 2 1/4" |
| Differential | 3.5°F |
| Differential Type | Fixed |
| Display Type | Analog |
| Enclosure Color | Gray |
| Enclosure Finish | Polished |
| Enclosure Material | Steel |
| Enclosure Nema Rating | 1 |
| Enclosure Type | Standard Enclosure |
| For Washdown Environment | No |
| Frequency | 50/60 Hz |
| Frequency | 50 Hz, 60 Hz |
| Full Load Amps @ 120v | 15A |
| Full Load Amps @ 240v Ac | 8A |
| Full Load Amps @ 240vac | 8A |
| Height | 5 3/4" |
| Includes | Mounting Plate, Screws |
| Inductive Amps @ 120v | 16A |
| Inductive Amps @ 208v | 9.2A |
| Inductive Amps @ 240v | 8A |
| Locked Rotor Amps @ 120v | 96A |
| Locked Rotor Amps @ 240v | 48A |
| Max. Control Temp. | 110°F |
| Max. Operating Temp. | 110°F |
| Min. Control Temp. | 30°F |
| Min. Operating Temp. | 30°F |
| Minimum Differential Temperature | 3.5°F |
| Mounting Direction | Vertical |
| Nema Enclosure Type | NEMA 1 |
| Number Of Cooling Stages | 2 |
| Number Of Heating Stages | 2 |
| Number Of Poles | 1 |
| Number Of Stages | 2 |
| Number Of Switches | 2 |
| Operating Temperature Range | 30°F to 110°F |
| Overall Depth | 2 1/8" |
| Overall Height | 5 11/16" |
| Overall Width | 2 1/8" |
| Phase | 1 |
| Pilot Duty | 125 VA @ 24-600V AC |
| Pilot Duty Contacts | 125 VA |
| Pilot Duty Contacts (va) | 125VA |
| Pilot Duty Rating | 125 VA @ 24 to 600V AC |
| Product Datasheet | dayton-1uhh3.pdf |
| Programming Capability | Not Programmable |
| Remote Sensing Bulb Included | No |
| Remote Sensing Capability | No |
| Resistive Amps @ 208v Ac | 9.2A |
| Scale | Fahrenheit |
| Sensor Dia. | 1/8" |
| Sensor Length | 36" |
| Sensor Location | Built-In |
| Sensor Type | Hydraulic Air Coil |
| Shape | Rectangle |
| Standards | Cul Listed, Ul Listed |
| Switch Action | Open/Close On Rise |
| Switch Type | SPDT |
| Temp. Sensitivity | 3° |
| Temp. Sensitivity | -/+3 Deg. F |
| Temperature Differential | 3.5°F |
| Temperature Limiting | No |
| Temperature Scale | Fahrenheit |
| Temperature Sensitivity | -3°F to +3°F |
| Temperature Settings Per Day | Manual Adjust |
| Thermostat Programmable | No |
| Thermostat Type | Line Voltage |
| Voltage | 120-270V AC |
| Voltage Range | 24-600V AC |
| Width | 2 1/4" |
Shipping Info:
| Ship weight (kg) | 0.44 |
| Ship height (cm) | 14.45 |
| Ship length (cm) | 4.6 |
| Ship width (cm) | 4.13 |
| HS code | 9032896025 |
| Country of Origin | CN |
Product Details:
Dayton 1UHH3 line voltage control is used in heating and cooling systems to regulate temperature by controlling line voltage for energy efficiency and to prevent extreme temperature conditions. This Dayton line volt mechanical Tstat is suitable for maintaining desired temperature levels in offices and industrial settings.
Frequently Asked Questions:
Q. What is the difference between line voltage and low voltage thermostats?
A. The distinction between line voltage and low voltage thermostats lies in their voltage ranges. A line voltage thermostat operates within the range of 120 to 240 volts. It consumes more power compared to low-voltage thermostats as it directly supplies power to the heater. Line voltage thermostats are typically associated with radiant, convection, or resistance heating systems. If your setup involves baseboard or wall heaters, it is likely that you are using a line voltage thermostat. In contrast, low-voltage thermostats utilise lower voltage levels and are commonly found in systems like central heating and cooling setups.
Q. What is the operating temperature of Dayton line volt mechanical Tstat?
A. It has an operating temperature ranging from 30 to 110 degrees F.
Q. How to install Dayton 1UHH3 line voltage control?
A.
- Secure a wire nut onto the ground and white wires.
- Connect one hot wire using a wire nut to bypass the thermostat.
- Attach the black wire for both lines and load to the thermostat.
- Gently push the green, white, and red wires into the electrical box.
- Align the screws on the box accordingly. Proceed to fasten the thermostat onto the box by screwing it in place. Finally, replace the faceplate of the thermostat.
Q. Which wires power a Dayton line volt mechanical Tstat?
A. The power source for a thermostat is typically provided by the Rc and Rh wires. If your thermostat is solely for air conditioning, it will have a red Rc wire. For heating and cooling systems, there will be both red Rc and red Rh wires. Despite both being red, these wires serve different purposes and cannot be swapped interchangeably.
Documentation:
Product Variants
| Product | Model | Height | Depth | Color | Full Load Amps @ 120v | Temp. Sensitivity | Enclosure Material | Overall Depth | Enclosure Color | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
2NNT1 | 4 1/2" | 2 1/8" | Polished | 16A | -1.5°F to +1.5°F | Stainless Steel | 1 13/16" | Silver | €382.45 |
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