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User Manual
ALFA 29 and
ALFANET 29
Dehumidify/Humidify
Hygrostat
VDH doc: 070703
Software: 061196_ALFA 19/29/39
* Function.
The ALFA(NET) 29 is a digital hygrostat for panel and wall mounting. The function
from the hygrostat can be programmed for dehumidify or humidify.
The ALFANET 29 has a RS 485 network connection so it can be read out and
adjusted on the Alfanet.
* Installation.
On the topside of the ALFA(NET) 29 is shown how the sensor, power supply and
relay have to be connected.
After connecting the ALFA(NET) 29 to the power supply, a self-test function is
started. As this test is finished, the measured relative humidity appears in the
display.
When the relay is activated, the led 'on' will light-up in the display.
* Control.
The ALFA(NET) 29 hygrostat can be controlled by three push buttons on the front.
These keys are:
SET
- view / change the setpoint.
UP
- increase the setpoint.
DOWN - decrease the setpoint.
Version: v1.0
File: Do070703.wpd
1
Date: 04-07-2007
Range: 0/100 %RH per 1 %RH
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Summary of Contents for VDH ALFA 29
- Page 1 User Manual ALFA 29 and ALFANET 29 Dehumidify/Humidify Hygrostat VDH doc: 070703 Version: v1.0 Date: 04-07-2007 Software: 061196_ALFA 19/29/39 File: Do070703.wpd Range: 0/100 %RH per 1 %RH * Function. The ALFA(NET) 29 is a digital hygrostat for panel and wall mounting. The function from the hygrostat can be programmed for dehumidify or humidify.
- Page 2 * Viewing setpoint. By pushing the SET key the setpoint appears in the display. The led 'set' starts blinking. A few seconds after releasing the SET key the setpoint disappears and the measured value is shown again in the display. * Changing setpoint.
- Page 3 In the display of the ALFA(NET) 29 the following error messages can appear: EE - Settings are lost. Solution: - Reprogram the settings. * Technical details. Model : ALFA 29 Dehum./Hum. Hygrostat ALFANET 29 Dehum./Hum. Hygrostat with Network Range : 0/100 %RH, readout per 1 %RH Supply...
- Page 4 * Dimensions. * Connections. * Adresse. VDH Products BV Tel: +31 (0)50 - 30 28 900 Produktieweg 1 Fax: +31 (0)50 - 30 28 980 9301 ZS Roden Email: info@vdhproducts.nl Nederland Internet: www.vdhproducts.nl...
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