TLDR GREYSTONE | Alldatasheet
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GREYSTONE HAS AN ISO 9001 REGISTERED QUALITY SYSTEM RIGID DUCT AVERAGE LOW LIMIT THERMOSTAT TLDR SERIES CABLE GLAND FITTING THREAD ADAPTER 1/2” NPT TO M16 ACCESSORIES - INCLUDED WITH F ENCLOSURE OPTION PRODUCT DESCRIPTION The multi point rigid duct average low limit thermostat incorporates several precision thermistor temperature sensors and provides a Form C relay output (NO/NC) with an adjustable setpoint. The sensor is encapsulated in 6 mm (0.236”) OD, 304 series stainless steel probe and is available in various lengths (see ordering chart) All probes provide excellent heat transfer, fast response and resistance to moisture penetration. A weatherproof Polycarbonate enclosure is included for ease of installation. TYPICAL INSTALLATION For complete installation and wiring details, please refer to the product installation instructions. The duct type probes are installed through a hole in the side of the duct to monitor a single point temperature within the duct. Since the probes are tip sensitive, select a probe length that places the sensor well into the duct. Install the probe in a straight section of duct at a suitable distance downstream from any heating, cooling or humidification devices. The enclosure provides mounting tabs for ease of installation. SENSOR TYPE 12 to 28 Vac/dc SENSOR ACCURACY ±0.2°C, 0 to 70°C (±0.36°F, 32 to 158°F) PROBE SENSING RANGE -40 to 60°C (-40 to 140°F) PROBE MATERIAL 304 series stainless steel PROBE DIAMETER 6mm (0.236”) STANDARD LENGTHS 450mm, 600mm, 900mm (18” , 24” , 36”) WIRE MATERIAL PVC/Kynar, 28 AWG 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 fall SETPOINT OPERATION Single-turn knob-pot on PCB ADJUSTABLE SETPOINT -4 to 10°C (25 to 50°C) SETPOINT TEMPERATURE 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 AMBIENT OPERATING RANGE -40 to 50°C (-40 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 B: Grey polycarbonate UL94-V0, IP65 (NEMA 4X) F: Same as B with thread adapter (1/2” NPT to M16) and cable gland fitting COUNTRY OF ORIGIN Canada SPECIFICATIONS 112.5 mm 4.43" 99.7 mm 3.93" Various Probe Lengths See Specifications 116.5 mm 4.58" 0.5" NPT Foam Gasket
304 Series S/S Probe
53.7 mm 2.11" 6.00 mm 0.236"
PRINTED IN CANADA Copyright © Greystone Energy Systems Inc. All Rights Reserved www.greystoneenergy.com PS-TLDRXXX-02 06/20 Greystone Energy Systems, Inc.
150 English Drive, Moncton,
New Brunswick, Canada E1E 4G7 Ph: +1 (506) 853-3057 Fax: +1 (506) 853-6014 North America: 1-800-561-5611 E-mail: mail@greystoneenergy.com WIRING INFORMATION TERMINAL FUNCTION PWR Power Supply COM Power Supply Common TEMP (2) Temperature Sensor Input NO Relay Output - Normally Open Contact COM Relay Common NC Relay Output - Normally Closed Contact PRODUCT TLDR Rigid Duct Average Low Limit Thermostat ENCLOSURE B F Polycarbonate, with hinged and gasketed cover Same as B, with thread adapter and cable gland fitting SENSOR 24 10,000Ω, Type 2, NTC Thermistor, ±0.2°C PROBE LENGTH F G H 450 mm (18”) 600 mm (24”) 900 mm (36”) ADJUSTABLE SETPOINT RANGE 01 -4 to 10°C (25 to 50°F) ORDERING TLDR PART NUMBER NOTE: Greystone Energy Systems, Inc. reserves the right to make design modifications without prior notice. NO COM NC DIFFERENTIAL HIGH LOW MID TEMP COM PWR