Greystone Energy Systems TDAP Series Bedienungsanleitung

Page 1

INTRODUCTION

The single point, all purpose duct/immersion temperature transmitter utilizes a precision

sensor that is encapsulated in 6 mm (0.236”) OD, 304 series stainless steel probe and is available

in various lengths. All probes provide excellent heat transfer, fast response, and resistance to

moisture penetration. A transmitter that provides a high accuracy signal with excellent long

term stability, low hysteresis, and fast response. It is available with various ranges. A compact

polycarbonate enclosure with a hinged and gasketed cover is provided for ease of installation.

BEFORE INSTALLATION

Read these instructions carefully before installing and commissioning the temperature

transmitter. Failure to follow these instructions may result in product damage. Do not

use in an explosive or hazardous environment, with combustible or ammable 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 (DUCT)

The temperature transmitter installs directly into any air duct with several lengths

available for a wide range of duct widths/diameters. Select a suitable installation area in

the middle of the duct wall. To achieve the best reading, do not place in an area where

air stratication may be present. Mount the sensor at least 1.5 m (5 ‘) in either direction

from elbows, dampers, lters or other duct restrictions. Avoid areas where the sensor is

exposed to vibrations or rapid temperature changes.

Once a suitable spot is selected, drill a 9.5 - 12 mm (3/8”- 1/2“) hole for the probe.

Slide the probe in the drilled hole until the enclosure is ush against the duct. The airow

direction is not important. Secure the enclosure to the duct with two #10 x 25 mm (1”)

self tapping screws (not provided). Tighten screws until the enclosure is tight against the

duct and there is no movement of the enclosure as shown in Figure 1.

A foam gasket on the back of the enclosure provides a tight seal against any air leaks.

MOUNTING (IMMERSION)

The temperature sensor must be installed into a thermowell. Failure to use a

thermowell will create leaks and could damage the sensor. Install the thermowell as

recommended in Figure 2. For complete thermowell installation instructions, please

refer to installation instructions provided with the thermowell.

It is recommended to use heat conductive compound. Prior to installing the sensor

inject a liberal amount into the thermowell and/or on the tip of the sensor. Slide the

probe into the thermowell until it makes contact with the bottom of the thermowell.

Tighten set screw to secure probe in thermowell. See Figure 3.

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 4.

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 5. It is

recommended that weatherproof conduit or cable gland ttings be used. The F style

enclosure includes 1/2" NPT to M16 thread adapter and cable gland tting.

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

Swing door closed until securely latched. For added security, 2 screws are provided that

may be installed in the integrated screw tabs. See Figure 6.

Recommended thermowell placement

Figure 3

Figure 4 Figure 5 Figure 6

Figure 2

Figure 1

Set Screw

EMT Connector

Thread adapter and

cable gland tting

All Purpose Temperature

Transmitter with LCD

TDAP Series - Installation Instructions

Page 2

WIRING

• Deactivate the 24 Vac/dc power supply until all connections are made to the device to prevent 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. Make all connections in accordance with national and local codes.

• The temperature transmitter comes with the temperature sensor pre-wired to the transmitter board. If removal is required for installation

then it may be re-wired as shown in Figure 7.

• 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 and output signal type as shown in Figure 8.

• Connect the DC positive or the AC voltage hot side to the PWR terminal. For voltage output or AC power, the supply Common is connected

to the COM terminal. The device is reverse voltage protected and will not operate if connected backwards. It has a half-wave power supply

so the supply Common is the same as the signal Common. See Figure 8.

• The analog output is available on the OUT terminal. Check the controller Analog Input to determine the proper connection before applying

power as shown in Figure 8.

• Once all connections are made and checked, power can be applied.

PRINTED IN CANADA

2 wire temperature sensor wiring to transmitter

SEN

Wiring for 0-5 or 0-10 Vdc output

signal and 24 Vdc power from

controller

Wiring for all output signals with

external 24 Vac power transformer

24 Vdc Power Supply

Wiring for 4-20 mA loop-powered

output and external 24 Vdc power

supply

Wiring for 4-20 mA loop-powered

output and external 24 Vdc power

from controller

Transmitter Wiring to Controller

Wiring for 0-5 or 0-10 Vdc output

signal and with external 24 Vdc

power supply

24 Vdc Power Supply

SPECIFICATIONS:

Sensor Type:.............................................1000 ohm platinum RTD

Sensor Accuracy:...................................±0.3°C (±0.94°F) @ 0°C (32°F)

Wire Material:..........................................PVC insulated, parallel bonded, 22 AWG

Probe Sensing Range:.........................-40 to 100°C (-40 to 212°F)

Probe Material:.......................................304 Series stainless steel

Probe Diameter:.....................................6 mm (0.236")

Wire Material:..........................................PVC insulated, parallel bonded, 22 AWG

Standard lengths:..................................50, 100, 150, 200, 300 and 450 mm

(2", 4", 6", 8", 12" and 18")

Output Signal:.........................................4-20 mA current loop, 0-5 vdc, or 0-10 vdc

(factory congured)

Transmitter Accuracy: .........................±0.2% of span, including linearity

Power Supply:.........................................15 to 30 Vdc, 12 to 28 Vac

Consumption (max):............................20 mA for current, 11 mA for voltage

Protection Circuitry:.............................Reverse voltage protected and output limited

Output Drive @ 24 Vdc:......................700 ohms max for current output,

20K ohms min for voltage output

LCD Display Units:.................................°C or °F (factory congured)

Display Range:........................................3 digit for -88.8 to 888 as required

Display Size: .............................................38.1mm W x 16.5 mm H (1.5" to 0.65")

Digit Height: ............................................11.4 mm (0.45") plus °C/°F symbol

Ambient Operating Range:..............0 to 50°C (32 to 122°F), 0-95 %RH

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

F style includes thread adapter (1/2”NPT to M16)

and cable gland tting

Wiring Connections:............................Screw terminal block (14 to 22 AWG)

Country of Origin:.................................Canada

Negative (Grey) No Polarity

Excitation (Grey) No Polarity

DIMENSIONS

Figure 7

Figure 8

Various Probe Lengths

See Specications

116.5 mm

4.585"

0.5" NPT

Foam Gasket

304 Series S/S Probe

53.7 mm

2.115"

6 mm

0.236"

112.5 mm

4.43"

99.7 mm

3.925"

PWR

COM

OUT

SENSOR

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