
Low Voltage Manual Wall AC Digital Air Conditioner LCD Thermostat
STN701 is the manual member of the STN700 platform for hotels, apartments and office buildings. It is non-programmable with a HEAT / OFF / COOL switch, sensing from 32 F to 99 F with a setpoint range of 44 F to 90 F. The switching side uses an Omron relay, the housing is flame retardant ABS, and a low battery indicator appears below 2.7 V when no 24V supply is present.
Key Benefits
- Shares the STN700 body and terminals with the programmable models, so a building can mix them
- Omron relay for a documented contact specification
- Flame retardant ABS housing meets common project material requirements
- Four backlight colours: blue, green, white or orange
- 2 year warranty with optional onsite installation and training
Problems It Solves
- Mixed thermostat bodies leaving inconsistent wall details
- Occupants changing schedules in managed buildings
- Material specifications that rule out standard ABS
- Batteries failing without warning
Who It Is For
- Hotel and office facility teams
- Contractors standardising on one thermostat platform
- Distributors serving the manual 24V replacement market
- OEM buyers who specify Omron relays and flame retardant housings
Technical Features
- 24V manual control, non-programmable, HEAT / OFF / COOL switch
- Temperature range 32 F to 99 F (1 C to 40 C), setpoint range 44 F to 90 F (7 C to 32 C)
- Display accuracy +/-1 F under 68 F
- NTC sensor with Omron relay
- Power supply 24 VAC (18 to 30 VAC), 50/60 Hz or 2 x AAA 1.5V alkaline batteries
- Low battery indicator under 2.7 V without a 24V supply
- Flame retardant ABS housing in white
- Backlight blue, green, white or orange
Specifications
| Model | STN701 |
| Programmability | Non-programmable Low battery indicator Under 2.7 V (without 24V power supply) |
| Stages | 1 HEAT & 1COOL |
| System Switch | HEAT/OFF/COOL |
| Power Supply | 24V Power |
| Switchable Voltage | 24 VAC(18 to 30 VAC), 50/60 Hz 2*AAA 1.5V Alkaline batteries power |
| Temperature Range | 32℉ to 99℉ (1℃ to 40℃) |
| Setpoint Range | 44℉ to 90℉ (7℃ to 32℃) |
| Display accuracy | ±1℉(under 68℉) |
| Sensor | NTC |
| Relay | Omron |
| Backlight | Blue/Green/White/Orange |
| Color | White |
| Material | Flame Retardance ABS |
| Dimension | 120 x 98 x 28 MM |
| Application | Hotel, Apartment, Office Building |
| Feature | Eco-friendly |
| Warranty | 2 years |
| After-sale Service | Online technical support, Onsite Installation, Onsite Training, Onsite Inspection, Free spare parts, Return and Replacement, NONE |
Specifications are taken from the manufacturer data for this model. Confirm the exact configuration with us before you order.
Application Scenarios
- Hotel rooms where the operator controls the schedule centrally
- Apartments and office buildings on low voltage air conditioning
- Buildings mixing programmable and manual rooms on one platform
- Replacement of failed manual stats without changing the wall detail
Quality Control
- Omron relay switching verified at rated load on every unit
- Low battery threshold checked at 2.7 V
- Housing flammability grade recorded against the production batch
Customisation Options
- Backlight blue, green, white or orange
- Front label, logo and housing marking
- Setpoint range restricted for managed property
- Onsite installation, training and inspection on project orders
How It Compares
Installing And Commissioning
Step 1
Isolate the 24V control circuit before removing the old stat
Step 2
Land the conductors on the colour coded terminals
Step 3
Fit 2 x AAA batteries where no common wire exists
Step 4
Set the switch to HEAT or COOL and enter the target temperature
Step 5
Confirm the low battery indicator is clear before handover
Low Voltage Manual Wall AC Digital Air Conditioner LCD Thermostat: Buyer Questions
Is the STN701 programmable?
No. It is a manual control with a HEAT / OFF / COOL switch.
What relay and sensor are used?
An Omron relay and an NTC sensor.
What warns of a flat battery?
A low battery indicator appears below 2.7 V when there is no 24V supply.
What backlight colours are available?
Blue, green, white or orange.
Is the housing flame retardant?
Yes, the housing is flame retardance ABS.
How long is the warranty?
2 years, with free spare parts and return and replacement.
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