THOB datasheet(1/2 Pages) GREYSTONE

Part #	THOB

Description	OUTSIDE HIGH LIMIT THERMOSTAT

PDF	2 Pages

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Manufacturer	GREYSTONE [Greystone Energy Systems Inc.]

Direct Link	http://greystoneenergy.com/

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GREYSTONE HAS AN ISO 9001 REGISTERED QUALITY SYSTEM

OUTSIDE HIGH LIMIT THERMOSTAT

THOB SERIES

PRODUCT DESCRIPTION

The single point outside air high 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 sun and windshield is integrated into

a hinged and gasketed weatherproof Polycarbonate

enclosure is provided for ease of installation.

TYPICAL INSTALLATION

For complete installation and wiring details,

please refer to the product installation

instructions.

The outside temperature transmitter should be

mounted on an outside North facing wall, under

the eaves which will provide protection from

direct sunlight.

The outside temperature sensor can be mounted

directly to the building’s wall face using the

provided mounting holes. There is one 0.85” hole

for conduit connection.

POWER SUPPLY

12 to 28 Vac/dc

SENSOR ACCURACY

±0.2°C, 0 to 70°C (±0.36°F, 32 to 158°F)

PROBE SENSING RANGE

-10 to 50°C (14 to 122°F)

PROBE MATERIAL

Stainless steel

WIRE MATERIAL

PVC insulated, parallel bonded

CONSUMPTION

50 mA max

RELAY CONTACTS

SPDT, Form C contacts (N.O. and N.C.)

5 Amps @ 30 Vdc/250 Vac resistive

1.5 Amps @ 30 Vdc/250 vac inductive

RELAY ACTION

Activates on temperature rise

SETPOINT OPERATION

Single-turn knob-pot on PCB

ADJUSTABLE SETPOINT

38 to 60°C (100 to 140°C)

TEMPERATURE DIFFERENTIAL

Low: 1.1°C (2°F) Mid: 2.8°C (5°F) High: 5.6°C (10°F)

Jumper selectable

TEMPERATURE SENSOR

10,000Ω curve matched precision thermistor

OPERATING CONDITIONS

-10 to 50°C (14 to 122°F), 5 to 95 %RH, non-condensing

STORAGE CONDITIONS

-30 to 70°C (-22 to 158°F), 5 to 95 %RH, non-condensing

WIRING CONNECTIONS

Screw terminal block (14 to 22 AWG)

ENCLOSURE

Grey polycarbonate UL94-V0, IP65 (NEMA 4X)

COUNTRY OF ORIGIN

Canada

SPECIFICATIONS

116.5 mm

4.585"

0.5" NPT

53.7 mm

2.115"

92 mm

3.62"

38mm

1.5"

112.5 mm

4.43"

99.7 mm

3.925"

132 mm

5.19"

139.7 mm

5.5"

North

OSA Temperature

Sensor

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