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Heat Pump Zone Control

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Application: for Heat Pump Zone Control
Feature: Heat Pump Smart Control
Model: wifi or not wifi of option
HY818 without wifi function
HY818WiFi with wifi function

Production Introduction

HY818 heat pump Thermostat Compatible with Multi-stage Systems 1 Heat/1 Cool Or 2 Heat/1 Cool or 2 Heat/2 Cool or 3 Heat/2 Cool(Electric or Gas/oil ) Configurable and Heat Pump (with aux) Systems, provide energy-saving and comfortable living environment, easy to install and convenient to use. This programmable thermostat is heating-specific, multi-functional, and has a large LCD display that protects your eyes. Manual mode and program mode could be selected. According to the result of comparing the indoor temperature with the set temperature, it controls the start and stop of the heating equipment by relay to achieve constant indoor temperature. Specification:

Product Feature

Easy to install: Open mount, easy to install, heat pump thermostat supports compressor lockout delay, for central air conditioning and gas, electric or oil furnaces, millivolt single stage systems. The thermostats can also be used in furnace-only systems with gas, oil, or electric furnaces, air conditioning-only systems, and multi-stage HVAC systems that require cooling only.

Home HVAC thermostat with Air filter replacement indication (selectable on or off), UV lamp replacement indication (selectable on or off)

Product Application

Working Voltage: 2*AA 1.5V Battery(not included) or AC20-28V

Power Consumption: <0.3W

Setting Range: 5~35℃

Ambient Temperature: -5~60℃

Ambient Temperature display accuracy:±0.5℃

Temperature Control Accuracy: ±0.5℃

Temperature Diaplay Range:0~40℃

Inside Sensor: NTC 10k @25℃

Protective Housing: IP20

Housing Material: ABS

Wiring Terminal: one terminal can be connected to
2*1.5mm2 or 1*2.5mm2 wire at most

Output: Potential-Free Output

Weight: 342g/12.1oz

Installation Method: Wall-mounted or On Battery Seat


Battery supply or AC20-28V


Heat pump thermostat

Display accuracy:



5+2/6+1/ 7 days



Limit temperature range:


Range of temperature adjustment:


Insulating condition:

Normal environment

Probe sensor:



On/OFF relay


Surface mounted



Heat Pump Zone Control
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