Exodraft EBC10 Owner's manual

Instructions for tting,
installation and operation
UK
EBC10
EBC10 ALARM
RESETOK
Read and save these instructions!

1. Product information..................................................................................4
1.1 Delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.3 Fitting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1.3.1 Cable length ...............................................................................................5
1.3.2 Connection diagram .......................................................................................6
1.4 Layout of the user interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.4.1 Panel ......................................................................................................7
1.4.2 Light emitting diodes and terminal board...................................................................8
1.4.3 Display ....................................................................................................9
1.5 Introduction to the user interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.6 Set-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.6.1 Setting the chimney draft ................................................................................ 11
1.7 Service menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1.7.1 Overview of the service menu ............................................................................ 13
1.7.2 Changing between the operating functions ( - - ) ....................................... 15
2. Pressure-controlled regulation of exodraft chimney fan.............................................. 16
2.1 Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.2 Method of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.3 Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.4 Sample wiring diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.4.1 Single boiler application.................................................................................. 17
2.4.2 Single boiler application with potential free contact in boiler .............................................. 18
2.4.3 Single boiler application with extra fail-safe protection using PDS ......................................... 19
2.4.4 Solid fuel boiler with temperature sensor ................................................................. 20
2.5 User menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
2.5.1 Layout of the user menu.................................................................................. 21
2.5.2 Operating the user menu................................................................................. 21
2.6 Set-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.7 Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.8 Special functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.8.1 Turning the ventilator on and o by means of a temperature sensor in the ue............................. 22
3. List of alarms and troubleshooting .................................................................. 23
3.1 Alarm handling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.1.1 Resetting a current alarm................................................................................. 23
3.1.2 Resetting the alarm log................................................................................... 23
3.1.3 Alarm overview .......................................................................................... 24
3.2 More troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.2.1 Program running......................................................................................... 25
3.2.2 Communication error .................................................................................... 25
4. Technical specications............................................................................. 26
5. EU declaration of conformity........................................................................ 27
3120049-EBC10-UK
2

Symbol Legend:
The following terms are used throughout this manual to bring attention to the presence of potential hazards or to
important information concerning the product.
Prohibition symbol:
Failure to observe instructions marked with a prohibition symbol may result in serious injury or death.
Danger symbol:
Failure to observe instructions marked with a danger symbol may result in personal injury and/or damage to
the unit.
TO REDUCE THE RISK OF FIRE, ELECTRICAL SHOCK OR INJURY TO
PERSONS, OBSERVE THE FOLLOWING:
• Use this unit in the manner intended by the manufacturer. If you have questions, contact the supplier at
the address or telephone number listed on the back of the manual.
• Before servicing or cleaning the unit, switch o at service panel and lock service panel to prevent power
from being switched on accidentally.
• Installation work and electrical wiring must be done by a qualied person(s) in
accordance with applicable codes and standards.
• Follow the appliance manufacturer’s guidelines and safety standards and the local code authorities
• This unit must be grounded.
No special requirements. Disposal should be carried out in accordance with
statutory regulations related to the disposal of electronic waste.
Job name: __________________________________
Fitter: ______________________________________
Installation date: ______________________________
3120049-EBC10-UK 3

1. Product information
Description
The EBC10 (exodraft Boiler Control) is a specially designed control component for constant pressure regulation of
chimney draft.
Layout of the instructions
The EBC10 can control an exodraft chimney fan.
There are ve sections to the instructions:
• Read section 1: ”Product information”.
• Read section 2: Pressure-controlled regulation of exodraft fans (factory-set)
• Read sections 3-5.
Section 2: Pressure-controlled regulation of exodraft chimney fans (default).
• The EBC10 ensures and monitors constant pressure in a chimney.
• The control system monitors chimney draft and shuts down the burner in the event of errors
(the alarmdiode on the EBC10 will turn on).
• The control system is intended for solid fuel boilers.
• The EBC10 can control a chimney fan directly.
3120049-EBC10-UK
4 • Product information4 • Product information

1.1 Delivery
The EBC10 is delivered with the following:
EBC10
Pos. Part Item no. Function
A EBC10 EBC10EU01 Controls exodraft fans and chimney fans. For indoor installation
B Pressure
transducer (XTP)
XTP150 Measures dierence air pressure in the boiler room or chimney, or
outdoor atmospheric pressure.
C Measuring probe 3200814 Measures pressure in the chimney.
D Measuring probe 3200813 Measures pressure in the chimney. (Outdoor installation)
E 2 m silicone hose 2000335 Supplies the pressure transducer (XTP) with reference pressure from
the measuring probe or from outdoors
Instructions 3120049 Instructions for tting, installation and operation
1.2 Accessories
Part Item no. Function
Extern PDS PDSBOX Measures pressure in chimney.
Isolation switch REP-AFB Isolation switch
Temperature
sensor
1100755 Measures the temperature in the chimney
1.3 Fitting
1.3.1 Cable length
Max. cable length between EBC10 and XTP: 100 m.
Max. cable length between EBC10 and chimney fan / fan: 100 m.
A
C
B
E
D
3120049-EBC10-UK Product information • 5Product information • 5

1.3.2 Connection diagram
The EBC10 is to be tted and connected as shown in the diagram below.
B1
A
A
B2
Ø 6.5
RD11804
A
A
Ø 6.5
(For outdoor installation)
(For indoor installation)
Control of … Fitting procedure
Chimney fan
Remark!
• Fit the EBC10 and the pressure transducer (XTP) in the boiler room.
• Fit the measuring probe(A) in the boiler ue or in the manifold.
• Connect the hose from the measuring probe to the negative terminal on the pressure transdu-
cer ”B1”.
• When the measuring probe is placed outside, it must be mounted in a way that prevents con-
densate or ice from being formed.
• The EBC10 should be mounted in a way that protects it against rain/snow.
Note Special aspects if you require positive pressure* in the chimney/boiler room:
• Connect the hose to the positive terminal on the pressure transducer ”B2”
• In menu 16 (see page 13) set the value to 2 (positive pressure). For operation of the service
menu, see page 12
• Please note that the EBC10 is supplied with only 2 m of hose.
NB!
*The default setting of the EBC10 is for negative pressure regulation, but local authority requirements
may state that positive pressure must be maintained.
The pressure transducer cannot be mounted inside an air tight enclosure. It uses the atmospheric
pressure as reference pressure.
3120049-EBC10-UK
6 • Product information6 • Product information

Make sure to position the pressure transducer the right way up.
NB
Do not blow into the valves on the XTP.
Outdoor tting of the pressure transducer (XTP)
When tting the pressure transducer outdoors, make sure to position it in a place where it is not aected by
wind, rain, etc. When tted outdoors, the pressure transducer should ideally be positioned in a box with a hole
(dia. 2 mm) in the bottom. The purpose of this box is to assure correct reference pressure – through the hole –
and to keep water out.
If the pressure transducer is positioned in a place where insects have access to the free end, tting a sinter lter is
recommended.
1.4 Layout of the user interface
1.4.1 Panel
EBC10
F
A
B
C
D
E
Pos. Part Function
A Alarm • indicates alarms
B Display • displays operation and changes in the user interface (menu system)
• indicates alarms
• shows normal operation status
Cand • forward or back in the menu system
• increase/reduce set point
D • reset alarm
• return to operation screen
E • select menu item
• conrm/save changes of set point or parameters
F Light emitting diodes • shows status of inputs and outputs


RESET
OK
3120049-EBC10-UK Product information • 7Product information • 7

1.4.2 Light emitting diodes and terminal board
The chart below lists the connection options for the terminal boards and explains the various colours of the light
emitting diodes.
No. Designation Max. load Meaning when the light diode is …
1, 2 & 3 SUPPLY IN 230-240VAC +/- 10% green: the EBC10 is connected to a power supply
4, 5 & 6 FAN OUT 3A green: the triac output is active
7 & 8 VFD OUT Not active
9 & 10 ALARM OUT 250VAC, 8A, AC3 red: the relay is open
11 & 12 BOILER 1 IN 18 - 230VDC / VAC green: the input is active
13 & 14 BURNER 1 OUT 250VAC, 4A, AC3 green: the relay is connected
15 & 16 BOILER 2 IN Not active
17 & 18 BURNER 2 OUT Not active
19 & 20 24 VDC OUT 100mA green: power supply OK
red: overload
21 & 22 0 - 10 V OUT Not active
23, 24 & 25 XTP IN green: XTP connected
red: return voltage >12 VDC
26, 27 & 28 PDS IN * green: C & NO are connected
29, 30 & 31 TEMP IN green: temperature sensor connected
* Terminals 26, 27 & 28 can however also be used for connecting other auxiliary surveillance equipment.
3120049-EBC10-UK
8 • Product information8 • Product information

1.4.3 Display
The diagram below shows the layout of the display on the EBC10. All possible display values are stated:
1 2 3 54 6 7 8
10
14
12
16
11
15
13
17
9
Pos. Shows …
1 Symbol indicating the connection of Z-wave (Not included in EBC10)
2 Symbol for service menu
3 Symbol for alarms. Displayed in the event of an alarm, along with the illumination of the alarm
diode.
4 Symbol for the operational settings of the service menu (see section 1.7) and the alarm log.
5 Symbol for overheating
6 Symbol for 2-stage speed regulation of exodraft chimney fan
7 Symbol for pressure-controlled regulation of exodraft chimney fan
8 Symbol for pressure-controlled regulation of exodraft supply air fan
9 Symbol indicating:
• PDS error
• PDS check (ashing)
10 • Operation screen: current pressure
• Menu screen: current menu
11 Units
12 Units
13 Menu screen (“VALUE”and, in some cases, “SETPOINT”displayed): Setpoint for the menu item in
question
14 Temperature symbol, indicates:
• Operation screen: current temperature
• Menu screen: temperature parameter setting
15 Timer indicator
16 Pressure symbol indicating that:
• Operation screen: Pos. 10 is displaying pressure
• Menu screen: You are currently altering a pressure parameter
17 Symbol for commissioning
3120049-EBC10-UK Product information • 9Product information • 9

1.5 Introduction to the user interface
Display
The purpose of the display (see previous page) is to present:
• Operating information (pressure, etc.)
• Alarms
• Setpoints
• Parameters
Menu structure
The menu system in the EBC10 contains:
• User menu (for operation by daily users).
• Service menu (for operation by qualied technical sta).
Layout of the user interface
The user interface is operated through four buttons with the following functions:
Button Function
• Activate the user menu
• Edit and save settings
• Activate service menu (press and hold for 3 seconds)
and • Go to menu item, and adjust value
• Return to operation screen from any point in the menu system
• Reset alarm when manual reset is selected in menu 25, see page 13
OK


RESET
3120049-EBC10-UK
10 • Product information10 • Product information

1.6 Set-up
1.6.1 Setting the chimney draft
To set the pressure in the chimney, follow the procedure detailed below.
Step. Action... The display shows...
1• Start the heating system.
• The EBC10 displays the actual pressure (in this
example 30 Pa)
2• Briey press to enter the user menu
3• Press
• Press and until the required pressure
appears in the lower display
4
• Press OK to conrm the setting
5 • To nish and return to the operation screen,
press
RESET
NB
This procedure only applies to setting up the chimney draft.
OK
OK


3120049-EBC10-UK Product information • 11Product information • 11

1.7 Service menu
The service menu is only to be operated by qualied sta.
For an overview of the service menu, see page 13.
Operation of the user menus is described in sections 2.
Navigation in the service menu
• To activate the service menu, press and hold OK for 3 seconds.
• Operation is carried out using the buttons as described in section 1.5 Introduction to the user interface,
page 10
• The upper display (pos. 10 on page 9) presents the number of the menu, with the set point for this
menu being shown in the lower display (pos. 13 on page 9)
• Menus whose last digit is“0”are exit menus. These are used to navigate one level back.
To do so, press OK
• To activate the editing options for a menu item, press OK . The set point will start ashing
• Conrm and save selection with OK
• To exit the service menu, press
RESET
. This will take you back to the operation screen. Alternatively, you can
navigate back one level at a time if you wish to set multiple menu items.
For examples of how to use the service menu, see 1.7.2 on page 15
The service menu
operation settings
Service menu
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12 • Product information12 • Product information

1.7.1 Overview of the service menu
The service menu is built up in four levels: Base settings for the
three applications
Menu level 1 Menu level 2 Menu level 3 Function
Default
0Exit Service menu Return to operation screen
1Operation settings 10 Exit operation settings
11 Operating mode Setting of control/operating function
1 = Pressure-controlled regulation
2 = 2-stage speed regulation
3 = Supply air regulation
1
12 °C/°F Select measuring unit for temperature
1 = °C, 2 = °F
1 (°C) 1 (°C) 1 (°C)
13 Pa/inWC Measuring unit for pressure:
1 = Pa, 2 = inWC
1 (Pa) 1 (Pa) 1 (Pa)
14 Software versions 140 Exit
141 Controller version View Controller software version x.xx x.xx x.xx
142 Safety version View Safety software version x.xx x.xx x.xx
143 Display version View Display software version x.xx x.xx x.xx
15 Select XTP measurement
range
150 Exit
151 Set Low XTP value from -500 Pa to 0 Pa 0 Pa N/A 0 Pa
152 Set High XTP value from 0 Pa to 500 Pa 150 Pa N/A 150 Pa
16 Positive/negative pressure 1 = negative pressure
2 = positive pressure
1 N/A 1
17 OEM functions 170 Exit
171 Cooker function Switch Cooker function ON and OFF N/A OFF N/A
18 Reset to defaults Reset to defaults. If you select“YES”, a
10-second countdown will start,
during which you can cancel your
choice by pressing any button.
NO NO NO
2Alarm 20 Exit Alarm
21 Alarm Log 210 Exit
211-219 The 9 most recent alarms
22 Reset alarm log Resets alarm log NO NO NO
23 Flow Alarm limit Set Flow Alarm limit in %:
50-80 %
(Alarm when pressure is below xx% )
100-300 %
(Alarm when pressure is above xx% )
64 % N/A 300 %
24 Flow Alarm delay Set Flow Alarm delay, 10–60 s 15 s 15 s 15 s
25 Reset auto / manual 1 = automatic, 2 = manual 1
(Auto)
1
(Auto)
1
(Auto)
3120049-EBC10-UK Product information • 13Product information • 13

The service menu is built up in four levels: Base settings for the
three applications
Menu level 1 Menu level 2 Menu level 3 Function
Default
3Conguration 30 Exit settings
31 PDS/AUX cong 1 = PDS, 2 = C-NO 2(C-NO) 1 (PDS)
(Locked)
2(C-NO)
32 Triac settings 320 Exit
321 Umin Min. output voltage in % of 230 V AC, 35-100
%
35 % N/A 35 %
322 Umax Max. output voltage in % of 230 V AC,35-100
%
100 % N/A 100 %
33 0–10 V settings
(Not active)
330 Exit
331 Umin Min. output voltage in % of 10 V DC,
0-100 %
0 % N/A 0 %
332 Umax Max. output voltage in % of 10 V DC,
0-100 %
100 % N/A 100 %
34 Manual fan mode 340 Exit
341 Manual Fan mode
on/o
Switch Manual Fan mode on and o OFF OFF OFF
342 Manual Fan mode
speed
Set the motor manually, 35–100 % 35 % 35 % 35 %
35 Regulation parameters 350 Exit
351 Amplication Xp Set proportional amplication, 0.2 to 5 2,2 N/A 1,2
352 Integration time TiSet integration time from 1 to 30 s 5 N/A 3
353 Dierential time TdSet dierential time from 1 to 30 s 1 N/A 5
354 Sample time Set sample time from 1 to 999 ms 300 ms N/A 300 ms
4Temperature sensor 40 Exit temperature sensor
41 Sensor ON/OFF Sensor ON or OFF OFF OFF
42 Autostart/-stop 420 Exit
421 ON/OFF Sensor ON or OFF OFF OFF
422 Start temperature Set start temperature between 5-450 °C 40 °C 40 °C
423 Stop temperature Set stop temperature between 0-445 °C 35 °C 35 °C
43 Pressure function 430 Exit
431 ON/OFF Pressure function ON or OFF OFF OFF
432 Temperature limit Set temperature limit between 5-450 °C 250 °C 50
44 Alarm 440 Exit
441 ON/OFF Alarm ON or OFF OFF OFF
442 Temperature limit Set temperature limit between 25-450 °C 450 °C 450 °C
443 Alarm delay Set delay for temperature limit alarm
between 0-60 sec.
5 5
3120049-EBC10-UK
14 • Product information14 • Product information

1.7.2 Changing between the operating functions ( - - )
Default operating function
As its base function, the EBC10 is factory set to pressure-controlled regulation of exodraft chimney fans (operating
function 1 )
How to change the operating function:
Step Action... The display shows...
1
• Press and hold OK for 3 seconds
2
• Press

to go to menu 1
• Press OK to go to menu 10
3
• Press

to go to menu 11
• Press OK
4
• Press

until the symbol and number for the opera-
ting function you require is displayed. The three opera-
ting functions are:
1 Pressure-controlled regulation of
exodraft chimney fans (default )
2 2-stage speed regulation of exodraft
chimney fans
3 Pressure-controlled regulation of
exodraft supply air fan
symbol is changed
5
• Press OK to conrm and save selection
6 • To nish and return to the operation screen,
press
RESET
3120049-EBC10-UK Product information • 15Product information • 15

2. Pressure-controlled regulation of exodraft chimney fan
2.1 Use
Area of use
• The EBC10 can also be used for boiler systems with modulating burners.
• The control system is intended for:
solid fuel boilers
atmospheric gas boilers
forced draft boilers for oil and gas
condensing boilers
• The EBC10 can control a chimney fan directly.
2.2 Method of operation
General function
• The control system monitors chimney draft and disconnects the burner in the event of errors (the alarm-
diode on the EBC10 will turn on)
• When the boiler thermostat demands heat, the chimney fan will start at max. voltage, the burner start is
delayed
• When the EBC10 registers sucient chimney draft, the burner is released.
• The EBC10 maintains the set pressure by regulating the voltage. The pressure is shown in the display
• In the event of an insucient pressure the burner will be disconnected after 15 seconds.“Insucient pres-
sure”is less than 64% of the set value, corresponding less than 80% ow
• When the boiler switches o, the chimney fan is also stopped. However, it is possible to set a post-purge
period for the chimney fan (see page 21).
Light emitting diodes and output signals
All inputs and outputs are linked to light emitting diodes for the monitoring and service of the system (1.4.2 Light
emitting diodes and terminal board, page 8 ).
2.3 Electrical connection
This work must be performed by a qualied electrical engineer, in accordance with locally applicable rules and
legislation.
The installation of the supply cable must be carried out in accordance with applicable regulations and
legislation.
The earth terminal ( ) must always be connected.
When connecting pressure transducer (XTP), shielded cable must be used.
Isolation switch
exodraft stresses that according to EU’s Machinery Directive an isolation switch must be set up in the xed
installation.
The isolation switch is not supplied by exodraft. Available as an extra.
2.4 Sample wiring diagrams
As a constant pressure regulator for exodraft chimney fans, the EBC10 can be connected to a range of dierent signals.
The following pages are sample wiring diagrams, and show the following:
• 2.4.1 Single boiler application, page 17
• 2.4.2 Single boiler application with potential free contact in boiler, page 18
• 2.4.3 Single boiler application with extra fail-safe protection using PDS, page 19
• 2.4.4 Solid fuel boiler with temperature sensor, page 20
exodraft recommends that you contact the boiler manufacturer for details of correct connection of the boiler
control system.
3120049-EBC10-UK
16 • Pressure control

2.4.1 Single boiler application
This example shows how to connect a voltage signal (18–230 V AC/DC) for the EBC10 to start/stop the fan from the
boiler:
• Connect the supply voltage to terminals 1–3
• Connecting the boiler:
Connect the burner start signal (L) to terminal 11
Connect the neutral wire to terminal 12
The start signal for the burner is sent from terminal 14
• Loop terminals 11 and 13
• Connect the chimney fan to terminals 4–6
• Connect the pressure transducer (XTP) to terminals 23–25 using a a shielded
cable 3x0,75 mm2 and connect the cable shielding to the cable bracket
3120049-EBC10-UK Pressure control • 17

2.4.2 Single boiler application with potential free contact in boiler
This example shows how to connect a potential free contact to the EBC10 to start/stop the fan:
• Connect the supply voltage to terminals 1–3
• Connection to the boiler:
Connect the potential free contact to terminals 11 & 19
Loop terminals 12 & 20
Connect the burner start signal to terminals 13 & 14
• Connect the chimney fan to terminals 4–6
• Connect the pressure transducer (XTP) to terminals 23–25 using a a shielded
cable 3x0,75 mm2 and connect the cable shielding to the cable bracket
3120049-EBC10-UK
18 • Pressure control

2.4.3 Single boiler application with extra fail-safe protection using PDS
This example shows how to connect a PDS to the EBC10. The PDS carries out extra fail-safe protection.
• Connecting a PDS:
Remove the factory tted loop between terminals 26 and 28
Connect the PDS between terminals 26 and 28
• Connect the supply voltage to terminals 1–3
• Connect the burner startsignal (-) to terminal 12
• The start signal to the burner comes back on terminal 14
• Connect the burner start signal (+) to terminal 11
• Loop terminals 12 and 13
• Connect the chimney fan to terminals 4–6
• Connect the pressure transducer (XTP) to terminals 23–25 using a a shielded cable 3x0,75 mm2 and con-
nect the cable shielding to the cable bracket
• Set the value in menu 31 to 1 (PDS connected).
• NB: If is ashing, the EBC10 is preparing for a PDS-check.
3120049-EBC10-UK Pressure control • 19

2.4.4 Solid fuel boiler with temperature sensor
The example shows how to connect the temperature sensor to the EBC20 in order to stop and start the fan through
the temperature in the chimney
• Connect the supply voltage to terminals 1–3.
• Connecting the boiler:
Connect the burner start signal (L) to terminal11.
Connect the neutral wire to terminal12.
Loop terminals 11 and 13.
The start signal from the burner comes from terminal14.
• Connect the ventilator to terminals4 and 6.
• Connect the pressure transducer (XTP) to terminals 23 and 25.
• Using a junction box connect the temperature sensor to terminals 29 and 31.
• Set menu 41 to ”ON”. Other settings should be chosen from menu 4.
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20 • Pressure control