Greystone Energy Systems RH100B Series Manual de usuario

Page 1

INTRODUCTION

This humidity transmitter uses a highly accurate and reliable Thermoset Polymer

based capacitance humidity sensor and state-of-the-art digital linearization and

temperature compensated cicuitry in an attractive, low prole enclosure to

monitor room humidity levels. Additional options are available which include

manual override & LCD display.

BEFORE INSTALLATION

Read these instructions carefully before installing and commissioning

the humidity 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. Take electrostatic discharge precautions during installation. Do not

exceed the device ratings.

MOUNTING

The humidity sensor installs on a standard electrical box or can be mounted directly to the

wall. The backplate is congured to be compatible with many dierent electrical boxes

types. The humidity transmitter should be mounted ve feet from the oor of the area to

be controlled. Do not mount the sensor near doors, opening windows, supply air diusers

or other known air disturbances. Avoid areas where the sensor is exposed to vibrations or

rapid temperature changes.

Begin by removing the cover. Grasp the bottom of the cover and pull outward from the

backplate as shown in Figure 1. Set cover aside. Do not remove the PCB from the enclosure

base.

Feed at least 6" of wire through the wall and out of the junction box. Feed connection

wires through center hole on backplate and PCB, then secure backplate to electrical box or

wall with suitable screws (not supplied) as shown in Figure 3. The mounting holes in allow

for up/down & side to side movement to compensate for unlevel electrical box installation.

Make wire connections as per the “Wiring illustrations”on Page 2 and re-install decorative

cover by placing the top of the cover into the cover holders on the top of the backplate

and snapping the bottom into place.

Two 1/16”Allen Key set screws are provided on the bottom of enclosure to add security and

lock cover in place. To engage, insert Allen Key and turn counter-clockwise 2-3 rotations.

As seen in Figure 4.

Figure 1

Figure 3

Figure 2

Figure 4

Room Humidity Transmitter

RH100B Series - Installation Instructions

Page 2

PRINTED IN CANADA

SPECIFICATIONS

Sensor Type .................................Thermoset polymer based capacitive

Accuracy .......................................±2, 3, or 5 %RH (5 to 95 %RH)

Measurement Range................0 to 100 %RH

Temperature Dependence.....±0.05 %RH/°C

Hysteresis .....................................±1.5 %RH maximum

Repeatability...............................±0.5 %RH typical

Linearity ........................................±0.5 %RH typical

Sensor Response Time.............15 seconds typical

Stability .........................................±1 %RH typical at 50 %RH in 5 years

Operating Temperature...........0 to 50°C (32 to 122°F)

Operating Humidity .................0 to 95 %RH non-condensing

Power Supply..............................18 to 35 Vdc, 15 to 26 Vac

Consumption..............................22 mA maximum

Input Voltage Eect..................Negligible over specied operating range

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

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

(jumper selectable)

Output Drive @ 24 Vdc ............Current: 550Ω max

Voltage: 10KΩ min

Internal Adjustments ...............Clearly marked ZERO and SPAN pots

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

Optional Temp Sensor .............Various RTDs and thermistors available as

two wire resistance output

Enclosure......................................White ABS, IP20 (NEMA 1)

DImentions..................................70W x 114H x 30D mm (2.75" x 4.5" x 1.2")

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

WIRING

• Deactivate the 24 Vac/dc power supply until all connections are made to the device to prevent electrical shock or equipment damage.

• Select desired signal output type by placin the output jumper in required position, as shown in Figure 5. Please note that pin connection

tabs in jumper must be in vertical position.

• If voltage output is required, place Voltage Span Jumper to desired span position, as shown in Figure 6. I.E. 10 = 0-10 Vdc.

• Connect the plus dc or ac voltage hot side to the POWER terminal. For voltage output or AC power, the supply common is connected to

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

supply so the supply common is the same as the signal common. See Figure 7.

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

applying power. See Figure 7.

• If installed, the resistance temperature signal is available on the two terminals labeled TEMPERATURE SENSOR. See Figure 8.

DIMENSIONS

31.8 mm

1.25 “

114.3 mm

4.5 “

82.6 mm

3.25 “

69.85 mm

2.75“

+24 Vac/dc

0-5 or 10 Vdc AI

COMMON

POWER

OUTPUT

COMMON

Controller

Temperature

Sensor Input

TEMPERATURE

SENSOR

Controller

+24 Vac/dc

4-20 mA AI

POWER

OUTPUT

COMMON

Controller

+24 Vac

COMMON

POWER

OUTPUT

COMMON

Controller

24 Vac Transformer

Common

4-20 mA AI

+24 Vac

COMMON

POWER

OUTPUT

COMMON

Controller

24 Vac Transformer

Common

Analog Input

Wiring for voltage output signal and

24 Vdc power from controller

Wiring for 4-20 mA loop-powered output

signal and 24 Vdc power from controller

Wiring for 4-20 mA output signal and

external 24 Vac power transformer

Wiring for 4-20 mA loop-powered output

and external 24 Vdc external power supply

Figure 7

Figure 6

Figure 5

Figure 8

0-5 Vdc

0-10 Vdc

Voltage

Output

Current

Output

0001182

Rev.3

OUT

COM

PWR

TEMP

SENSOR

VOLT

10V

SPANZERO

10V

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