Heating Temperature Controller Room Digital Thermostat for Air Conditioning

• Customization: Available
• Application: Commercial and Home, Commercial
• Certification: CE, ISO9001, RoHS, CE
• Model NO.: STN715
• Type: Thermostat, AC Parts
• Output Signal: on/off
• Material: High-Impact Polycarbonate/ABS Blend
• Measuring Method: Automatic
• Customized: Non-Customized
• Display Type: None
• Brand: Other
• Function: Temperature Control
• Feature: Refrigeration
• Usage: Air Conditioning
• Keyword: Controller Room Thermostat
• Transport Package: Carton
• Specification: STN715
• Trademark: ComforPlanet
• Origin: China
• Production Capacity: 50000/Month
• Package Size: 50.00cm * 50.00cm * 50.00cm
• Package Gross Weight: 20.000kg

Product Description

Digital Room Thermostat-STN715

Definition: An advanced residential controller that allows for different schedules every day of the week. Used for 2-Heat/2-Cool systems, such as dual-stage furnaces or heat pumps with auxiliary heat.

Specification

STN715: Multi-Stage 7-Day Programmable Thermostat:

 Core Materials & Process Quality: High-impact polycarbonate/ABS blend. Gold-plated connector pins for corrosion resistance.

 Structural & Functional Design:

 Menu-Driven UI: Uses text-based prompts for programming rather than cryptic codes.

 Stage Control: Manages the second stage of heating/cooling based on load and efficiency algorithms.

 Product Advantages: Energy savings via automated setbacks; filter change alerts; highly customizable staging logic.

 Installation Precautions: Requires a "C" wire for full functionality 

 Common Problems & Solutions:

 Stage 2 not kicking in: Check the 2nd stage swing setting (it might be set too wide).

 Industry Standards: Energy Star compliant (if programmed correctly), UL/cUL.

 Working Principle: Microprocessor compares current temp and time to the programmed schedule; uses PID-like logic to engage 2nd stage if the 1st stage isn't meeting the setpoint fast enough.

 Maintenance: Clear filter timer every 3-6 months; check terminal tightness bi-annually.

Technical Specifications

(Custom configurations available upon request.)

Feature	Specification
Type	7-Day / 5-1-1
Stages	2H / 2C
Power	Battery / 24V
Backlight	Blue / Green / White
Special	Menu Icons

Related Products

STN701

QD-HVAC10

QD-HVAC21

FAQ

Q1: What HVAC systems is the STN715 compatible with?

The STN715 supports up to 2 heating and 2 cooling stages. It is suitable for multi-stage gas furnaces, electric heating systems and heat pump systems with auxiliary heat. Always verify the equipment wiring and stage configuration before installation.

Q2: What programming modes does the STN715 support?

The thermostat supports 7-day programming, 5/1/1 programming and non-programmable operation. Users can create different schedules for wake, leave, return and sleep periods through the menu-driven interface.

Q3: Does the STN715 require a C wire?

A common C wire is recommended and may be required for full functionality, especially in multi-stage or heat pump systems. Confirm the HVAC control board wiring before installation.

Q4:  Why is the second heating or cooling stage not turning on?

Check the second-stage cycle or temperature differential setting. If the differential is set too wide, the thermostat may delay second-stage operation. Also verify the stage jumper settings, wiring terminals and system configuration.

Q5: What regular maintenance does the STN715 require?

Reset the filter reminder after replacing or cleaning the HVAC filter, generally every 3–6 months according to system usage. Check the wiring terminals approximately every six months to ensure that the connections remain secure.