GREYSTONE TLOSF24X01 TLOS Series Outside Low Limit Thermostat Instruction Manual

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Outside Low Limit Thermostat  

TLOS Series - Installation Instructions  

INTRODUCTION  

The single point outside air low limit thermostat incorporates a precision  

thermistor temperature sensor and provides a Form C relay output (NO/NC)  

with an adjustable setpoint. All probes are constructed to provide excellent  

heat transfer, fast response and are potted to resist moisture penetration. A  

hinged and gasketed weatherproof Polycarbonate enclosure is provided for  

ease of installation.  

BEFORE INSTALLATION  

Read these instructions carefully before installing and commissioning  

the thermostat. Failure to follow these instructions may result in product  

damage. Do not use in an explosive or hazardous environment, with  

combustible or flammable gases, as a safety or emergency stop device or in  

any other application where failure of the product could result in personal  

injury. Do not exceed the device ratings.  

MOUNTING  

Select a suitable mounting spot on an exterior wall where the temperature sensor is best protected from direct exposure to sunlight, wind, etc.  

preferably on a north facing wall. Do not mount the sensor near opening windows, supply/exhaust air louvres or other known air disturbances.  

Avoid areas where the sensor is exposed to vibrations or rapid temperature changes.  

The temperature sensor provides a connection hole for 1/2" conduit. Run a length of conduit through exterior wall and seal. Use 14-24 AWG  

shielded wiring for all connections and do not locate the device wires in the same conduit with wiring used to supply inductive loads such as  

motors. Make all connections in accordance with national and local codes.  

Figure 1  

The temperature sensor installs directly on an exterior wall using the two integrated  

mounting holes provided on the enclosure. Select the best mounting technique based  

on the exterior wall material. The two mounting holes are suitable for a #10 size screw  

(not supplied). The sensor fitting must be pointing down. See Figure 1.  

The enclosure has a hinged cover with a latch. Open the cover by pulling slightly on  

the latch on the right side of the enclosure. At the same time pulling on the cover, as  

illustrated in Figure 2.  

A 1/2" NPT threaded connection hole is provided in the bottom of the enclosure. Screw  

the EMT connector or cable gland connector in until tight. See Figure 3. It is recommended  

that weatherproof conduit or cable gland fittings be used. An optional 1/2" NPT to M16  

thread adapter and cable gland fitting is available.  

Figure 2  

Make wiring connections as per the“wiring”illustrations on Page 2.  

Swing door closed until securely latched. For added security, two screws are provided  

that may be installed in the integrated screw tabs. See Figure 4.  

Figure 3  

Figure 4  

Thread adapter and  

cable gland fitting  

Conduit Connection  

Page 1  

IN-GE-TLOSXXX-004  

Copyright © Greystone Energy Systems, Inc. All Rights Reserved Phone: +1 506 853 3057 Web: www.greystoneenergy.com  

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Name	GREYSTONE TLOSF24X01 TLOS Series Outside Low Limit Thermostat Instruction Manual
Make	Greystone
Language	English
Filetype	PDF (Download)
File size	0.18 MB

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• Greystone

GREYSTONE TLOSF24X01 TLOS Series Outside Low Limit Thermostat Instruction Manual Overview

Summary of Contents

• Page 1: Outside low limit thermostat incorporates a precision thermistor temperature sensor and provides a Form C relay output with an adjustable setpoint. Read these instructions carefully before installing and commissioning the thermostat. Failure to follow these instructions may result in product damage. Select a suitable mounting spot on an exterior wall where the temperature sensor is best protected from direct exposure to sunlight, wind, etc. Avoid areas where the sensor is exposed to vibrations or rapid temperature changes. The temperature sensor provides a connection hole for 1/2 conduit. Make all connections in accordance with national and local codes. The enclosure has a hinged cover with a latch. It is recommended that weatherproof conduit or cable gland fittings be used. Swing door closed until securely latched.
• Page 2: Wiring Deactivate the 24 Vac/dc power supply until all connections are made to the device to prevent electrical shock or equipment damage. Use 14-22 AWG shielded wiring for all connections and do not locate the device wires in the same conduit with wiring used to supply inductive loads such as motors. The temperature thermostat comes with the temperature sensor pre-wired to the PCB. Pull at least six inches of control wire into the enclosure, then complete the wiring connection according to the wire diagram for the applicable power supply. Connect the DC positive or the AC voltage hot side to the PWR terminal. The supply common is connected to the COM terminal. The relay has both Normally Open (NO) and Normally Closed (NC) contacts available. The setpoint differential has 3 jumper selectable settings (Low/Mid/High). To set the switching setpoint, turn the setpoint potentiometer to the desired temperature setting. Once all connections settings are made and checked, power can be applied. Specifications: Power Supply: 12 to 28 Vac/dc, Consumption: 50 mA max.