THE THERMOSTAT MUST BE INSTALLED BY A CERTIFIED ELECTRICIAN.
Connect the thermostat to a 120 to 240 VAC power source ONLY and comply with load limits.
WARNING – HIGH VOLTAGE. Turn off the power supply before installation and maintenance. Leave at least 12 in. (30 cm) clearance around the thermostat to ensure that it is properly vented.
SAVE THESE INSTRUCTIONS
VOLTAGE AND LOAD | |||
PRODUCT CODE | SUPPLY VOLTAGE | LOAD AT 120 V | LOAD AT 240 V |
VOLTS | WATT’S | WATTS | |
ST252NPFF | 120-240 | 150-1250 | 300-2500 |
ST402NPFF | 150-2000 | 300-4000 |
Load control type | Resistive |
Frequency | 60 Hz |
Storage temperature | -40°C to 50°C (-40°F to 122°F) |
Operating temperature | -20°C to 50°C (-4°F to 122°F). LC display less effective below 0°C (32°F) |
Humidity | 5% to 98% without condensation |
Action | Type 1. Y |
Pollution degree | 2 |
Software | Class A |
Rated impulse voltage | Category II overvoltage (1500 V) |
Independently mounted control for surface mounting | |
The thermistor used as a sensor carries no-load current | |
Overload protection device external to the control: circuit breaker (refer to local electrical code) |
ATTACH THE MOUNTING PLATE
WARNING: Turn off the power supply.
CONNECT THE POWER SUPPLY WIRES
WARNING: Incorrectly connected electrical wires could
result in a fire hazard.
FOR BASEBOARDS, CONVECTORS, AND FAN HEATERS
FOR BASEBOARDS AND CONVECTORS ONLY
FOR BASEBOARDS AND CONVECTORS ONLY
ATTACH THE THERMOSTAT
This is a NON-PROGRAMMABLE thermostat. The temperature setpoint remains constant unless you change it.
Touch the keypad once to activate the backlight, then you can make changes.
To begin with, follow the on-screen instructions to adjust your thermostat’s settings. Press or to change your selection and to confirm.
Your heating needs may vary according to the season and even the time of day. To meet your needs, this thermostat is equipped with two distinct modes: ECO and COMFORT. You can switch from one mode to another by simply pressing
In LOBBY mode, the thermostat automatically provides 100% heating for five minutes as soon as a sudden drop in temperature is detected. This mode can be useful for heaters located near an entrance. When this mode is activated, the
KEY FEATURES
ADVANCED MENU ACCESS AND USE
ADVANCED MENUS LIST
USING THE TECHNICAL MENUS:
TECHNICAL MENU LIST
NOTE: The maximum setpoint limit must be higher than the minimum setpoint limit. and the minimum setpoint limit must be lower than the maximum setpoint limit.
STELPRO LIMITED WARRANTY
Limited three-year warranty. See details on www.stelpro.com.
STELPRO DESIGN INC.
Saint-Bruno-de-Montarville, Québec, Canada, J3V 6L7
INS-ST252-402NPFF-0421 560-000024
Download Manual
STELPRO ST252NPFF Non-Programmable Electronic Thermostat Owner’s Manual
OTHER MANUALS:
STELPRO ST252NPFF Non-Programmable Electronic Thermostat Product Specifications Guide
STELPRO ST252NPFF Non-Programmable Electronic Thermostat Owner’s Manual
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