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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

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General	Details
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 TLOSF24X01 TLOS Manual: Questions and Answers

Greystone TLOSF24X01 TLOS specifications

Power supply	12 to 28 Vac/dc
Differential	Low: 1.1°C (2°F) Mid: 2.8°C (5°F) High: 5.6°C (10°F)
Power consumption	50 mA max

Full specifications, page 2

Where is the setpoint potentiometer on Greystone TLOSF24X01?

On the PCB inside the enclosure. Turn it to set the desired temperature. Instruction Manual, p. 2

How do I connect Greystone TLOSF24X01 TLOS to a 24 Vdc power supply?

Connect the positive terminal to PWR and the common to COM. Pull at least six inches of control wire into the enclosure first.

Deactivate the 24 Vdc power supply before making connections.
Pull at least six inches of control wire into the enclosure.
Connect DC positive to the PWR terminal.
Connect supply common to the COM terminal.
Set the jumper for setpoint differential (Low, Mid, or High).
Turn the setpoint potentiometer to the desired temperature setting. Instruction Manual, p. 2