USA HVAC Thermostat

Technical Data

Power Supply:24 VAC, 50/60 Hz                                                                                                                                                                                                            Display: 3-inch single-color LED display, Acrylic front panel

Wi-Fi: 802.11 b/g/n @ 2.4GHz

Control Interface:Touch-sensitive buttons

BLE:For Wi-Fi Pairing

Radio:915MHZ

Mounting Type:Wall Mounting

Accessories:Trim plate                                                                                                                                                                                                                  Sensors:Occupancy / Temperature / Humidity                                                                                                                                                                    Dimensions:96 (L)x 96 (W)x24 (H)mm  

Rc: 24VAC power from cooling transformer

Rh: 24VAC power from heating transformer

C: 24VAC common

W1: 1st stage Primary heating relay in conventional system / Auxiliary or 

Alternative 1st stage heat in heat pump system

W2: 2nd stage Secondary heating relay in conventional system / Auxiliary or 

Alternative 2nd stage heat in heat pump system / Emergency heat

Y1: 1st stage Primary compressor contactor

Y2: 2nd stage Secondary compressor contactor

G: Fan relay

O/B: Changeover valve for heat pumps