S701 low voltage wall air conditioner thermostat with large LCD

Air Conditioner Thermostats Non-Programmable Thermostat

Low Voltage Wall Air Conditioner Digital Thermostat

Name: Low Voltage Wall Air Conditioner Digital Thermostat
Brand: Smart Therm

S701 is a low voltage wall thermostat for home office and indoor HVAC use, built around a 4 square inch display. It is a single stage Heat / OFF / Cool control with frost protection on the OFF position, running from 24VAC at 50 Hz or 2 x AAA alkaline batteries. The humidity rating of 90% non-condensing is what makes it usable in rooms that other stats are not specified for.

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Key Benefits

4 square inch display readable from anywhere in a room
90% non-condensing humidity rating widens where it can be installed
Frost protection built into the OFF position
24VAC or battery power covers both new builds and retrofits
2 year warranty with optional onsite installation and training

Problems It Solves

Displays too small to read from across a room
Stats not rated for humid indoor conditions
Systems left unprotected when switched off in winter
Retrofits where no 24V supply reaches the stat position

Who It Is For

HVAC distributors serving the low voltage replacement market
Installers working in humid indoor environments
Buyers who value a 2 year warranty
OEM customers wanting a large display manual stat

Technical Features

Low voltage single stage control, Heat / OFF / Cool
OFF position holds frost protection
Temperature range 41 F to 95 F (5 C to 35 C), setpoint range 44 F to 90 F (7 C to 32 C)
4 square inch large LCD display
Power supply 24VAC at 50 Hz or 2 x AAA 1.5V alkaline batteries
Operating humidity 90% non-condensing
Dimensions 120 x 115 x 24 mm, wall mounted
ABS and PC housing, backlight blue, orange, white or customised

Specifications

Model	S701
Stages	Single Stage (Heat/Cool)
System Switch	Heat/OFF/Cool
Switchable Voltage	24VAC , 50HZ or 2*AAA 1.5V Alkaline batteries power
Temperature Range	41℉ to 95℉ (5℃ to 35℃)
Setpoint Range	44℉ to 90℉ (7℃ to 32℃) Dispaly 4 sq. inch display
Backlight	Blue/Orange,etc
Material	ABS+PC
Dimension	120 x 115 x 24mm
Operating Humidity	90% non-condensing
Application	Home Office/Indoor
Type	HVAC system
Warranty	2 years
After-sale Service	Online technical support, Onsite Installation, Onsite Training, Onsite Inspection, Free spare parts, Return and Replacement, NONE, Other

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

Application Scenarios

Home offices and studies on low voltage HVAC
Indoor rooms with higher humidity than a typical living space
Single stage heating and cooling installations
Replacement of small display stats that drew complaints

Quality Control

Display checked for segment faults and backlight evenness
Heat and cool outputs exercised before packing
Humidity rating verified on batch samples

Customisation Options

Backlight blue, orange, white or a custom colour
Front label and logo to the buyer's artwork
Setpoint range restricted for managed property
Onsite installation, training and inspection available on project orders

Comparison

How It Compares

Standard size low voltage stats

S701 uses a 4 square inch display and carries a 90% non-condensing humidity rating, which widens where it can be specified.

Programmable stats such as STN705

S701 is manual, which is what operators want where occupants should set a temperature and nothing else.

Use guide

Installing And Commissioning

Step 1

Isolate the 24VAC supply before removing the old stat

Step 2

Mount the backplate at about 1.5 m clear of the supply air stream

Step 3

Land the conductors, or fit 2 x AAA batteries where no supply exists

Step 4

Set the switch to Heat or Cool and enter the target temperature

Step 5

Leave the switch OFF and confirm frost protection engages

Answers