STN805 Premier programmable thermostat with large LCD and auto changeover

Premier Thermostat 24V Premier Thermostat HVAC Thermostat Electric and Gas Thermostat Programmable Thermostat Non-Programmable Thermostat

Easy Menu Driven Programmable Large LCD Display Heating And Cooling Auto Changeover Room Temperaute Calibration Adjustment Thermostat

Name: Easy Menu Driven Programmable Large LCD Display Heating And Cooling Auto Changeover Room Temperaute Calibration Adjustment Thermostat
Brand: Smart Therm

This is STN805 supplied in the Premier range specification: a 1 heat 1 cool control with auto changeover, offered as 7 day, 5/1/1 or non-programmable. Everything an operator needs to lock down is here, namely keypad lockout, heating and cooling setpoint limits, a selectable compressor delay and a filter change indicator. It mounts on a wall or a junction box and runs from battery or 24V power.

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Key Benefits

Auto changeover removes the seasonal mode switch from the occupant's list
Keypad lockout and setpoint limits together give full operator control
Three programme modes from one part number
Easy wire colour coded terminal blocks shorten installation
Premier range PP housing with white, blue or green backlight

Problems It Solves

Occupants forgetting to switch between heating and cooling
Settings changed by anyone walking past a corridor stat
Separate part numbers for scheduled and unscheduled rooms
Compressor restarts too soon after a supply interruption

Who It Is For

Facility managers who want full lockdown of a room control
Hotel and office fit-out contractors
Distributors stocking a Premier range flagship
OEM buyers needing auto changeover with setpoint limits

Technical Features

1 heat and 1 cool with auto changeover
7 day, 5/1/1 or non-programmable
Easy menu driven programming with wake, leave, return and sleep icons
Keypad lockout and heating and cooling setpoint limits
Separate heating and cooling swing (cycle rate) adjustments
Room temperature calibration adjustment
5 minute compressor delay protection and filter change indicator, both selectable
Mounts on wall or junction box, battery or 24V power, PP housing, 400 g

Specifications

Model	STN805
Programmability	7 Day,5/1/1 or
Color	White/Blue/
Material	PP
Weight	400g
Package Included	1Premier Thermostat 1Instruction

Specifications are taken from the manufacturer data for this model. Confirm the exact configuration with us before you order.

Application Scenarios

Buildings that swing between heating and cooling in shoulder seasons
Shared corridors and communal spaces needing lockout
Hotels and offices where the operator sets the comfort band
Projects mixing scheduled and unscheduled rooms

Quality Control

Auto changeover deadband verified during the functional test
Keypad lockout and setpoint limits exercised on every unit
Compressor delay timing checked on batch samples

Customisation Options

Default programme mode and setpoint limits preset at the factory
Backlight white, blue or green
Front label, logo and housing marking
Manual and carton in the buyer's language

Comparison

How It Compares

The touch screen STN805 configuration

This Premier version is the 1 heat 1 cool build in a PP housing, focused on auto changeover and operator lockdown.

STN731

STN805 adds full scheduling, auto changeover and keypad lockout, where STN731 is a non-programmable PTAC control.

Use guide

Installing And Commissioning

Step 1

Isolate the supply and land the wires on the colour coded terminal blocks

Step 2

Mount on the wall or a junction box

Step 3

Select electric or gas configuration and the programme mode

Step 4

Enable auto changeover and set the deadband between heating and cooling

Step 5

Set the setpoint limits and enable keypad lockout before handover

Answers