Produal HDH User manual

USER GUIDE
HDH / HDH-M / HDH 10K / HDH 10K-M
V1.2.0 (30.10.2019)
1 (11)
Produal Oy Keltakalliontie 18, 48770 Kotka FINLAND Tel: [phone] / Fax: [phone] [e-mail] www.produal.com
Information is subject to change without prior notice.
This user guide is for devices with the software version 1.2.0 or newer.
MOUNTING
The device can be installed in dry surroundings (IP20) by screws on the wall surface or on the standard flush mounting
box. The recommended installation height is 150…180 cm.
The device position should be selected carefully. All the error factors that can affect to the measurements should be
eliminated as well as possible. The following list defines the typical measurement error factors.
•direct sun light
•occupant proximity
•air flow coming from windows or doors
•air flow coming from ventilation nozzles
•air flow coming from the flush mounting box
•differential temperature caused by external wall
Wiring
Device wiring and commissioning can only be carried out by qualified professionals. Always make the
wirings while the power is switched off.
NOTE: CO2measurement causes a current peak to the supply voltage. This can produce an error to the analogue
outputs when using long and thin cables. It is recommended to increase the wire cross section area in long cable
situations (e.g. by using four-wire connection) to ensure reliable measurement signal.

USER GUIDE
HDH / HDH-M / HDH 10K / HDH 10K-M
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Produal Oy Keltakalliontie 18, 48770 Kotka FINLAND Tel: [phone] / Fax: [phone] [e-mail] www.produal.com
Information is subject to change without prior notice.
SELECTING THE MEASUREMENT INFORMATION TO BE VIEWED ON THE DISPLAY
The measurement values scroll on the N model display. The wanted value can be locked to view continuously by
pressing the S1 button. You resume to the scrolling view by pressing the S1 button again.
NOTE: When the potentiometer (HD-PU) is configured to change the controller set point, the set point is shown on the
display when the potentiometer is rotated.
A. S1 button
NOTE: In M models, the shown measurement information can be selected also via Modbus.
ABCLogicTM SELF-CALIBRATION FEATURE
ABCLogic™ (Automatic Background Calibration Logic) is a patented self-calibration technique. ABCLogic™ method
eliminates the possible long term drift. ABCLogic™ method can be used when the CO2concentration drops at least
two times within a week to the level of approx. 400 ppm. Therefore the ABCLogic™ is effective in spaces that are not
continuously occupied.
ABCLogic™ can be deactivated in continuously occupied spaces.
Deactivating the ABCLogic™
The ABCLogic™ function can be deactivated by using the ML-SER tool.
CALIBRATION
If ABCLogic™ method is not in use, the device should be calibrated every 6-12 months. The recommended calibration
interval is 5 years even if the ABCLogic™ is in use.
ML-SER TOOL
With the ML-SER tool you can change the device settings, controller and Modbus settings for example.
Connecting ML-SER tool to the device
1. Remove the display / HD-AL3 option.
2. Connect the ML-SER cable to the connector.
A. ML-SER cable
CO2measurement value shows on the ML-SER tool display.

USER GUIDE
HDH / HDH-M / HDH 10K / HDH 10K-M
3 (11)
Produal Oy Keltakalliontie 18, 48770 Kotka FINLAND Tel: [phone] / Fax: [phone] [e-mail] www.produal.com
Information is subject to change without prior notice.
ML-SER menu
ML-SER menu opens by pressing the M button. The values can be changed with the ”+” and ”-” buttons. The menu is
device-specific and the content depends on the device and installed options.
The following menu structure contains the factory settings.
NOTE: The default relay CO2set point is 2500 ppm in 10K models.
Measurement
Modbus address
[OFF / 1…247]
Modbus speed
[9.6 / 19.2 / 38.4]
Parity bit
[None / Even / Odd]
CO
2
measurement
tuning [±200 ppm]
Temperature measurement
tuning [±3.0 °C]
Humidity measurement
tuning [±5 %RH]
Modbus
menu
Calibration
menu
Controller
menu
ABCLogic calibration
[On / Off]
OK
On
ABC-Logic
Control method
[PI / P]
Integration time
[50...5000 s]
CO
2
set point
[400...10000 ppm]
CO
2
proportional band
[100...10000]
Integration time
[50...5000 s]
°C set point
[18...26 °C]
° C proportional band
[1.0...32.0]
Integration time
[50...5000 s]
%RH set point
[0...100 %]
%RH proportional band
[10...100]
Integration time
[50...5000 s]
CO
2
set point
[400...10000 ppm]
CO
2
proportional band
[100...10000]
°C set point
[18...26 °C]
° C proportional band
[1.0...32.0]
%RH set point
[0...100 %]
%RH proportional band
[10...100]
Control method
[PI / P]
Control method
[PI / P]
Control method
[PI / P]
Output
menu
M
M
M
OK OK OK OK
OK
M
Modbus ID
OK
+/-
+/-
+/-
ppm
900
COMMUNICATIONS
1
MODBUS ID
9.6
Baud rate (k)
n
Parity
CALIBRATION
OK OK
Modbus ID
0
Offset: CO2ppm
0.0
Offset: °C
OK
0
Offset: %RH
CONTROLLER
OFF
Cont
CO2
Cont
OK OK OK OK
Modbus ID
PI
Control mode
300
Integr. time s
700
CO2 Setpoint
OK
500
CO2 Propor. band
P
Control mode
OK
+/-
+/-
TEMPERATURE
Cont
OK OK OK OK
Modbus ID
PI
Control mode
300
Integr. time s
21.0
°C Setpoint
OK
2.0
°C Propor. band
P
Control mode
OK
+/-
+/-
HUMIDITY
Cont
OK OK OK OK
Modbus ID
PI
Control mode
300
Integr. time s
50
%RH Setpoint
OK
50
%RH Propor. band
P
Control mode
OK
+/-
MAXIMUM CTR L
Cont
OK OK OK OK
Modbus ID
PI
Control mode
300
Integr. time s
700
CO2 Setpoint
OK
500
CO2 Propor. band
P
Control mode
OK
OK
21.0
°C Setpoint
OK
2.0
°C Propor. band
OK
50
%RH Setpoint
OK
50
%RH Propor. band
Controller output scale
[0-10V / 2-10V]
M
OK OK
Modbus ID
OUTPUT
0-10V
CTRLOUTPUT
OK
The diagram continues on the next page.

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Produal Oy Keltakalliontie 18, 48770 Kotka FINLAND Tel: [phone] / Fax: [phone] [e-mail] www.produal.com
Information is subject to change without prior notice.
Relay
menu
AL3
menu
Info
menu
Yellow indicator light illumination
point [400...10000 ppm]
Red indicator light illumination
point [400...10000 ppm]
Software
version
Reset to factory settings
[no / yes]
Potentiometer
menu
°C set point center
[10...30 °C]
CO
2
set point low limit
[400...10000 ppm]
CO
2
set point high limit
[400...10000 ppm]
%RH set point low limit
[0...100 %]
%RH set point high limit
[0...100 %]
Relay set point
[400...10000 ppm]
Hysteresis
[0...100 % from range]
Hysteresis
[0...20 °C]
Relay set point
[18...26 °C]
Hysteresis
[0...50 %]
Relay set point
[0...100 %]
Relay set point
[400...10000 ppm]
Hysteresis
[0...100 % from range]
Hysteresis
[0...20 °C]
Relay set point
[18...26 °C]
Hysteresis
[0...50 %]
Relay set point
[0...100 %]
M
OK OK OK
M
OK OK
5 s
OK
M
OK
+/-
+/-
OK OK OK
OK OK OK
+/-
OK OK OK
OK
+/-
OK OK OK
OK OK
OK OK
OK
OK
M
OK
OK
+/-
+/-
OK
+/-
OK
OK
+/-
OK OK
OK
+/-
OK OK

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HDH / HDH-M / HDH 10K / HDH 10K-M
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Produal Oy Keltakalliontie 18, 48770 Kotka FINLAND Tel: [phone] / Fax: [phone] [e-mail] www.produal.com
Information is subject to change without prior notice.
Modbus menu
M
OK OK OK OK
Modbus ID
COMMUNICATIONS
1
MODBUS ID
9.6
Baud rate (k)
n
Parity
Modbus address
[OFF / 1…247]
Modbus speed
[9.6 / 19.2 / 38.4]
Parity bit
[None / Even / Odd]
Modbus menu is available in M models. The bus settings can be changed through the menu.
Calibration menu
M
OK
CALIBRATION
OK OK OK
Modbus ID
0
Offset: CO2ppm
On
ABC-Logic
0.0
Offset: °C
OK
0
Offset: %RH
CO2tuning
[±200 ppm]
ABCLogic calibration
[On / Off]
Temperature measurement
tuning [±3,0 °C]
Humidity measurement
tuning [±5 %RH]
All the measurements can be tuned through the calibration menu. The humidity tuning is available only in RH models.
•The CO2value can be adjusted by 10 ppm steps.
•The temperature value can be adjusted by 0.1 °C steps.
•The humidity value can be adjusted by 1 % steps.
ML-SER tool display shows how much the current value is tuned.
Output menu
Controller output scale
[0-10V / 2-10V]
M
OK OK
Modbus ID
OUTPUT
0-10V
CTRLOUTPUT
You can change the controller output (Y4) scale through the output menu.

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Produal Oy Keltakalliontie 18, 48770 Kotka FINLAND Tel: [phone] / Fax: [phone] [e-mail] www.produal.com
Information is subject to change without prior notice.
Controller menu
Control method
[PI / P]
Integration time
[50...5000 s]
CO
2
set point
[400...10000 ppm]
CO
2
proportional band
[100...10000]
Integration time
[50...5000 s]
°C set point
[18...26 °C]
° C proportional band
[1.0...32.0]
Integration time
[50...5000 s]
%RH set point
[0...100 %]
%RH proportional band
[10...100]
Integration time
[50...5000 s]
CO
2
set point
[400...10000 ppm]
CO
2
proportional band
[100...10000]
°C set point
[18...26 °C]
° C proportional band
[1.0...32.0]
%RH set point
[0...100 %]
%RH proportional band
[10...100]
Control method
[PI / P]
Control method
[PI / P]
Control method
[PI / P]
M
OK
+/-
+/-
+/-
CONTROLLER
OFF
Cont
CO2
Cont
OK OK OK OK
Modbus ID
PI
Control mode
300
Integr. time s
700
CO2 Setpoint
OK
500
CO2 Propor. band
P
Control mode
OK
+/-
+/-
TEMPERATURE
Cont
OK OK OK OK
Modbus ID
PI
Control mode
300
Integr. time s
21.0
°C Setpoint
OK
2.0
°C Propor. band
P
Control mode
OK
+/-
+/-
HUMIDITY
Cont
OK OK OK OK
Modbus ID
PI
Control mode
300
Integr. time s
50
%RH Setpoint
OK
50
%RH Propor. band
P
Control mode
OK
+/-
MAXIMUM CTR L
Cont
OK OK OK OK
Modbus ID
PI
Control mode
300
Integr. time s
700
CO2 Setpoint
OK
500
CO2 Propor. band
P
Control mode
OK
OK
21.0
°C Setpoint
OK
2.0
°C Propor. band
OK
50
%RH Setpoint
OK
50
%RH Propor. band
OK
The control output can be controlled either according to a one measurement value or according to the maximum
selection of all values. Humidity related settings are only available in RH models.
•The CO2values can be adjusted by 10 ppm steps.
•The temperature values can be adjusted by 0.1 °C steps.
•The humidity values can be adjusted by 5 % steps.

USER GUIDE
HDH / HDH-M / HDH 10K / HDH 10K-M
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Produal Oy Keltakalliontie 18, 48770 Kotka FINLAND Tel: [phone] / Fax: [phone] [e-mail] www.produal.com
Information is subject to change without prior notice.
In the maximum selection control, the control output signal is formed according to the measurement that causes the
largest control signal value. The following situation is in the example figure:
•Carbon dioxide concentration is 800 ppm
•Temperature is 21,5 °C
•Humidity is 55 %
Potentiometer menu
OK
OK
M
OK
OK
+/-
+/-
OK
+/-
OK
OK
+/-
OK OK
OK
+/-
OK OK
°C set point center
[10...30 °C]
CO
2
set point low limit
[400...10000 ppm]
CO
2
set point high limit
[400...10000 ppm]
%RH set point low limit
[0...100 %]
%RH set point high limit
[0...100 %]
Potentiometer menu is available if HD-PU option is installed. You can select the potentiometer output connector and
disable the potentiometer through the menu. You can also set the potentiometer for the set point adjustment purposes.
The potentiometer is connected to the Y3 output (Y4 in RH models) as factory setting.
•The CO2values can be adjusted by 10 ppm steps.
•The temperature value can be adjusted by 0.1 °C steps.
•The humidity values can be adjusted by 1 % steps.

USER GUIDE
HDH / HDH-M / HDH 10K / HDH 10K-M
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Produal Oy Keltakalliontie 18, 48770 Kotka FINLAND Tel: [phone] / Fax: [phone] [e-mail] www.produal.com
Information is subject to change without prior notice.
The set point that is adjusted with the potentiometer cannot be adjusted via Modbus.
NOTE: When the potentiometer is used for setting the internal controller’s temperature set point (TE-SP), the
potentiometer adjustment range is ±3 °C around the set point centre.
NOTE: You have to set the controller off, if the potentiometer is configured to Y4 output.
Relay menu
M
OK
RELAY
Relay set point
[400...2000 ppm]
Hysteresis
[0...100 % from range]
Hysteresis
[0...20 °C]
Relay set point
[18...26 °C]
+/-
+/-
OFF
Relay
CO2
Relay
OK OK OK
Modbus ID
1100
RelON CO2ppm
5
Hysteresis %CO2
TEMPERATURE
Relay
OK OK OK
Modbus ID
23.0
RelON °C
2.0
Hysteresis °C
+/-
ALL
Relay
OK OK OK
Modbus ID
1100
RelON CO2ppm
OK
Hysteresis
[0...50 %]
Relay set point
[0...100 %]
+/-
HUMIDITY
Relay
OK OK OK
Modbus ID
50
RelON %RH
5
Hysteresis %RH
Relay set point
[400...2000 ppm]
Hysteresis
[0...100 % from range]
5
Hysteresis %CO2
Hysteresis
[0...20 °C]
Relay set point
[18...26 °C]
OK OK
Modbus ID
23.0
RelON °C
2.0
Hysteresis °C
Hysteresis
[0...50 %]
Relay set point
[0...100 %]
OK OK
Modbus ID
50
RelON %RH
5
Hysteresis %RH
Relay menu is available if HD-R option is installed. The relay switching point and hysteresis can be changed through
the menu.
NOTE: The default relay CO2set point is 2500 ppm in 10K models.
The relay output can be controlled either according to a one measurement value or according to the all values.
Humidity related settings are only available in RH models.
•The CO2values can be adjusted by 10 ppm steps.
•The temperature values can be adjusted by 0.1 °C steps.
•The humidity values can be adjusted by 1 % steps.
When the output is controlled according to the all values, the relay activates when one measured value exceeds the
set point.
AL3 menu
M
OK OK OK
AL3
750
YELLOW
1250
RED
Yellow indicator light illumination
point [400...10000 ppm]
Red indicator light illumination
point [400...10000 ppm]
AL3 menu is available if HD-AL3 option is installed. The indicator light limits can be changed through the menu. The
hysteresis is 50 ppm.

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HDH / HDH-M / HDH 10K / HDH 10K-M
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Produal Oy Keltakalliontie 18, 48770 Kotka FINLAND Tel: [phone] / Fax: [phone] [e-mail] www.produal.com
Information is subject to change without prior notice.
Info menu
M
Modbus ID
INFO
1.1.0
VERSION
no
RESET
OK
OK OK
5 s
Software
version
Reset to factory settings
[no / yes]
You can check the device software version and reset the device to factory settings through the Info menu.
MODBUS
The parameter memory durability allows at least 1 million writing cycles.
Bus termination
The Modbus can be terminated by placing the MBUS TERM. jumper.
A. MBUS TERM. jumper
Modbus function codes
The device supports the following Modbus function codes.
0x01
Read Coils
0x02
Read Discrete Inputs
0x03
Read Holding Registers
0x04
Read Input Registers
0x05
Write Single Coil
0x06
Write Single Register
0x0F
Write Multiple Coils
0x10
Write Multiple Registers
0x17
Read/Write Multiple Registers
Modbus registers
NOTE: If you try to write a parameter value that is beyond the parameter value range, the value will be replaced by the
nearest acceptable value. For example, if you write 270 to the register 40011, the value will be replaced by 260.
Coils
Register
Parameter description
Data type
Values
Range
Default
1
Y1 output overdrive activation
Bit
0 - 1
0: Off, 1: On
0
2
Y2 output overdrive activation
Bit
0 - 1
0: Off, 1: On
0
3
Y3 output overdrive activation
Bit
0 - 1
0: Off, 1: On
0
4
Y4 output overdrive activation
Bit
0 - 1
0: Off, 1: On
0
5
Relay overdrive activation
Bit
0 - 1
0: Off, 1: On
0

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Produal Oy Keltakalliontie 18, 48770 Kotka FINLAND Tel: [phone] / Fax: [phone] [e-mail] www.produal.com
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Register
Parameter description
Data type
Values
Range
Default
6
Relay overdrive
Bit
0 - 1
0: Off, 1: On
0
7
2-10 V controller output
Bit
0 - 1
0: Off, 1: On
0
Discrete inputs
Register
Parameter description
Data type
Values
Range
10001
Relay status
Bit
0 - 1
0: Off, 1: On
Input registers
Register
Parameter description
Data type
Values
Range
30001
CO2measurement
Signed 16
400…10000
400….10000 ppm
30002
Temperature measurement
Signed 16
0…500
0.0…50.0 °C
30003
Humidity measurement
Signed 16
0…100
0…100 %
30004
Y1 output voltage
Unsigned 16
0…1000
0.00…10.00 V
30005
Y2 output voltage
Unsigned 16
0…1000
0.00…10.00 V
30006
Y3 output voltage
Unsigned 16
0…1000
0.00…10.00 V
30007
Y4 output voltage
Unsigned 16
0…1000
0.00…10.00 V
30008
Active potentiometer value
Unsigned 16
0…1000
0.0…100.0 %
30009
Potentiometer set point value
Unsigned 16
variable
variable
Holding registers
Register
Parameter description
Data type
Values
Range
Default
40001
Y1 output overdrive
Signed 16
0…1000
0…10.00 V
0
40002
Y2 output overdrive
Signed 16
0…1000
0…10.00 V
0
40003
Y3 output overdrive
Signed 16
0…1000
0…10.00 V
0
40004
Y4 output overdrive
Signed 16
0…1000
0…10.00 V
0
40005
CO2measurement tuning (offset)
Signed 16
-200…200
-200…200 ppm
0
40006
Temperature measurement tuning (offset)
Signed 16
-30…30
-3.0…3.0 °C
0
40007
Humidity measurement tuning (offset)
Signed 16
-5…5
-5…5 %
0
40008Control method Signed 16 0 - 1
0: P
1: PI
1
40009Controller output Signed 16 0 - 1 - 2 - 3 - 4
0: OFF
1: CO2
2: temperature
3: humidity
4: maximum selection
1 1)
40010
Set point, CO2
Signed 16
400…10000
400….10000 ppm
700
40011
Set point, temperature
Signed 16
180…260
18.0…26.0 °C
210
40012
Set point, humidity
Signed 16
0…100
0…100 %
50
40013
Proportional band, CO2
Signed 16
100…10000
100….10000 ppm
500
40014
Proportional band, temperature
Signed 16
10…320
1.0…32.0 °C
20
40015
Proportional band, humidity
Signed 16
10…100
10…100 %
50
40016
Integration time
Signed 16
50…5000
50…5000 s
300
40017 Active potentiometer usage Signed 16 0 - 1 - 2 - 3 - 4 - 5
0: OFF
1: Y3
2: Y4
3: TE-SP
4: RH-SP
5: CO2-SP
1 1)
40018
Relay set point, CO2
Signed 16
400…10000
400….10000 ppm
1100 2)

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Produal Oy Keltakalliontie 18, 48770 Kotka FINLAND Tel: [phone] / Fax: [phone] [e-mail] www.produal.com
Information is subject to change without prior notice.
Register
Parameter description
Data type
Values
Range
Default
40019
Relay hysteresis, CO2
Signed 16
0…100
0…100 %
5
40020
Yellow AL3 indicator light illumination limit
Signed 16
400…10000
400….10000 ppm
750
40021
Red AL3 indicator light illumination limit
Signed 16
400…10000
400….10000 ppm
1250
40022 Value shown on the display Signed 16 0 - 1 - 2 - 3
0: CO
2
1: temperature
2: humidity
3: scrolling
3
40023
Not in use
Signed 16
-
-
1
40024
Not in use
Signed 16
-
-
0
40025
Relay set point, temperature
Signed 16
0…500
0.0…50.0 °C
230
40026
Relay set point hysteresis, temperature
Signed 16
0…200
0.0…20.0 °C
20
40027
Relay set point, humidity
Signed 16
0…100
0…100 %
50
40028
Relay set point hysteresis, humidity
Signed 16
0…50
0…50 %
5
40029 Relay function Signed 16 0 - 1 - 2 - 3 - 4
0: OFF
1: CO2
2: temperature
3: humidity
4: all
1
40030
Potentiometer temperature set point centre
Signed 16
100…300
10.0…30.0 °C
210
40031
Potentiometer humidity set point low limit
Signed 16
0…100
0…100 %
40
40032
Potentiometer humidity set point high limit
Signed 16
0…100
0…100 %
60
40033
Potentiometer CO2set point low limit
Signed 16
400…10000
400….10000 ppm
600
40034
Potentiometer CO2set point high limit
Signed 16
400…10000
400….10000 ppm
1200
1) With RH option the register 40009 default value is 0 and register 40017 default value is 2.
2) The default relay CO2set point is 2500 ppm in 10K models.