Honeywell H7012A Series Bedienungsanleitung



EN0C-0610 0398R3-MA

H7012A,B

ROOM HUMIDITY SENSOR/

COMBINED ROOM HUMIDITY/TEMPERATURE SENSOR

FEATURES

•Pt 1000, BALCO 500 or 20kΩNTC temperature

sensing element

•Wide sensing range

•Capacitance type sensing element for relative

humidity

•Plug-in design

GENERAL

The H7012A Room Humidity Sensor is a capacitance type

relative humidity sensor for wall mounting.

The H7012B Combined Room Humidity/Temperature Sensor

incorporates a capacitance type relative humidity sensor with

a Pt 1000, BALCO 500 or 20kΩNTC temperature sensor in

one housing.

These sensors are used for control, indication and alarm

monitoring in room air conditioning installations.

Models

OS-No. Temperature Sensor Type

H7012A1009 -

H7012B1007 Pt 1000

H7012B1015 BALCO 500

H7012B1023 20kΩNTC

SPECIFICATION

General:

Power supply 24Vac, +20...-30%; 50/60Hz,

34Vdc, +20...-30%

Current consumption 20mA @ 24V

Ambient 0...50°C (+32...122°F), 5...95%rh

operating limits non condensing

Ambient -25...70°C (-13...158°F), 5...95%rh

storage limits non condensing

Dimensions see Fig. 2

Weight 130g

Case Plastic ( ABS )

flame retardend acc. to UL94-V0

Mounting Wall, surface or wall outlet box

Protection Standard IP 30 acc. to EN60529

Safety Class II acc. to EN60730-1

PRODUCT DATA

Fig. 1 Room Humidity / Temperature Sensor

This product meets the requirements of CE

H7012A,B Room Humidity / Temperature Sensor

EN0C-0610 0398R3-MA 2

Temperature:

Temperature sensing

range 0...50°C (32...122°F)

Nominal value

Pt 1000 1000Ω@ 0°C

BALCO 500 500Ω@ 23.3°C

NTC 20kΩ@ 25°C

Accuracy

Pt 1000 ±0.3K acc. to DIN IEC 751 Class B

BALCO 500 ±0.4K @ 23.3°C

NTC ±0.2K at 25°C

Sensitivity

Pt 1000 ≈3.85Ω/K

BALCO 500 2Ω/K

Characteristic see EN0C-0603

Response time @ air velocity 0.02...0.07m/s

τ0.5 Pt 1000 =50s

τ0.5 Balco 500 =140s

τ0.5 NTC =134s

Overview

Following sensors can be applied for the following control

systems:

Relative Humidity:

Humidity sensing

range 5...95%rh

Output signal 0...1V / 0...10V =0...100%rh

Output Impedance

1V range 183Ω

10V range 274Ω

Outputs short circuit protected

Sensitivity 10mV / %rh or 100mV / %rh

Accuracy

5...10%rh ±10%

10...30%rh ±5%

30...70%rh ±3%

70...90%rh ±5%

90...95%rh ±10%

Response time τ0.5=20s

Control systems Temperature Humidity

Pt 1000 20kΩNTC BALCO 500 0...1Vdc 0...10Vdc

Excel Classic X X X X

Excel Plus X X X X

High Performance Excel Plus X X X X

Excel EMC X X X X

Excel 500/600 (XF521) X X X

Excel 500/600 (XF526) X X X X

Excel 20 & 50 X X

Excel 80B & 100B X X X

Excel IRC Multicontroller

R7451A1030 XX

MicroniK 100 X X

MicroniK 100 ”NEW”

R7420B1036/R7420F1045 XXX

MicroniK 200 X X X X

H7012A,B Room Humidity / Temperature Sensor

3 EN0C-0610 0398R3-MA

DIMENSIONS

5 mounting holes 4mm (0.16) dia.

for 3 (2) screws 3.5mm (0.14) dia.

mounted in positions 1 (preferred) or 2.

(0.43)

1,2

(1.18)

(2.36)

107

(4.21)

60 (2.36)

(1.34)

(0.79)

130

(5.12)







80 (3.15)

Dimensions in mm and (inch)

Fig. 2 Dimensions

INSTALLATION

Transformer for

Sensor

Common

0...10V

Common

rh Input

Controller

230Vac 24Vac 24Vac 230Vac

controller

Transformer for

sensors and actuators

5 / 6

0...1V/

Fig. 3 Installation Example

H7012A,B Room Humidity / Temperature Sensor



Honeywell Regelsysteme GmbH

Honeywellstr. 2-6

D-63477 Maintal

Tel. (0 61 81) 401-1

Fax (0 61 81) 4 54 56

Subject to change without notice. Printed in Germany.

EN0C-0610 0398R3-MA

DIN

EN ISO 9001

Manufacturing location is certified according to

Wiring run Maximum length

Sensor to controller 200m (660ft)

Offset due to wire resistance per 10m distance from sensor

to controller:

Type of wire Temperature offset

Pt 1000 BALCO 500 NTC

0.5mm2

(AWG20) 0.18°C (0.324°F) 0.3°C (0.54°F)

1.0mm2

(AWG17) 0.09°C (0.162°F) 0.15°C (0.27°F) negligible

1.5mm2

(AWG15) 0.06°C (0.108°F) 0.1°C (0.1°F)

CAUTION

NOTE

Use shielded wiring in areas with high EMI.

Keep 15cm (5.9’’) minimum distance between

sensor lines and 230Vac power lines.

Use two transformers: one for sensors and

actuators and one for the controller (see Fig. 3).

Mounting and Installation Advice:

• Mount these units at the inside wall of the room to be

heated or air conditioned, away from doors, windows

and heat sources.

• Do not mount in niches, book shelves, behind cabinets

or curtains or where it could be exposed to solar

radiation.

• Seal the conduit opening to avoid false measurement

due to draught from the conduit.

• Provide sufficient air circulation.

Wiring connection

TEMPERATURE SENSOR

POWER SUPPLY

REL. HUMIDITY SENSOR

24V

Pt 1000/NTC/

BALCO 500

0...1V

0...10V

24V

COM = 24V

Fig. 4 Installation

2 3 4 5 6 7 8 9 10

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