Fröling Lambdatronic P 3200 User manual

Service Manual
Lambdatronic P 3200 for pellet boiler (4,3" Touch)
Core module version 50.04 - Build 05.19 | Touch control version 60.01 - Build 01.37
Translation of the original German operating instructions for technicians
Read and follow the instructions and safety information!
Technical changes, typographical errors and omissions reserved!
B1620121_en | Edition 17/08/2021
Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com

1 General 4
1.1 About these instructions 4
1.2 Safety information 4
2 Power connection and wiring 5
2.1 Core module and connection options 5
2.1.1 Board view - core module 5
2.1.2 Mains connection 7
2.1.3 Connecting the outside temperature
sensor
7
2.1.4 FRA room temperature sensor 8
2.1.5 Boiler enable contact 8
2.1.6 Connecting a circulating pump to the core
module
9
2.1.7 Connecting an isolating valve to the core
module
10
2.1.8 Heating circuit pump 0 / burner relay 12
2.1.9 Operating signal 12
2.2 Expansion modules 13
2.2.1 Heating circuit module 13
2.2.2 Hydraulic module 14
Connecting a circulating pump to the hydraulic
module
15
Connecting an isolating valve to the hydraulic
module
19
2.2.3 Pellet module 20
2.2.4 Pellet module expansion 22
Automatic room air flap
23
2.3 BUS connection 24
2.3.1 Connecting the bus cable 25
2.3.2 Setting end jumpers 25
2.3.3 Setting the module address 26
2.3.4 Potential equalisation / potential
separation
27
2.4 Connection information according to
pump types
28
2.5 Connection options with standard
delivery
29
2.5.1 System 0 (DHW tank / one heating
circuit)
29
2.5.2 System 0 (two heating circuits) 30
2.5.3 System 1 (layered tank / two heating
circuits)
31
2.5.4 System 1 (hygienic layered tank / two
heating circuits)
32
3 Initial startup 33
3.1 Switching user level 33
3.2 Default configuration 33
3.3 Setting the system selection 34
3.4 Before heating up for the first time 36
3.5 Starting the system on initial startup 36
4 Parameters overview 37
4.1 Heating 37
4.1.1 Heating - Status 37
4.1.2 Heating – Temperatures 38
4.1.3 Heating - Times 39
4.1.4 Heating - Service 39
4.1.5 Heating - Heating up program 40
Heating up programs
41
Configure program 8
41
Heating circuits used
41
4.1.6 Heating - General settings 42
4.2 Water 43
4.2.1 Water - Status 43
4.2.2 Water - Temperatures 43
4.2.3 Water - Times 44
4.2.4 Water - Service 44
4.3 Solar 46
4.3.1 Solar - Status 46
4.3.2 Solar - Temperatures 47
4.3.3 Solar - Times 48
4.3.4 Solar - Service 48
4.3.5 Solar - Heat meter 50
4.4 Buffer tank 51
4.4.1 Buffer tank - Status 51
4.4.2 Buffer tank - Temperatures 52
4.4.3 Buffer tank - Service 52
4.5 Boiler 2 53
4.5.1 Boiler 2 - Status 53
4.5.2 Boiler 2 - Temperatures 53
4.5.3 Boiler 2 - Service 54
4.6 Feed system 55
4.6.1 Feed system - Times 55
4.6.2 Feed system - Service 55
4.6.3 Feed system - Consumption 56
4.7 Network pump 57
4.7.1 Network pump - Status 57
4.7.2 Network pump - Temperatures 57
4.7.3 Network pump - Service 58
4.8 Difference regulator 59
4.8.1 Difference regulator - Status 59
Table of contents
2 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com

4.8.2 Difference regulator - Temperatures 59
4.8.3 Difference regulator - Times 60
4.8.4 Difference regulator - Service 60
4.9 Circulation pump 61
4.9.1 Circulation pump - Status 61
4.9.2 Circulation pump - Temperatures 61
4.9.3 Circulation pump - Times 62
4.9.4 Circulation pump - Service 62
4.10 System 63
4.10.1 System - Settings 63
Setting - Boiler temperature
63
Setting - Flue gas
63
Setting - Air settings
63
Setting - Lambda values
63
Set - Lambda probe
64
Set - Quantity of heat calculation
65
Setting - General settings
66
4.10.2 System - Current values 66
4.10.3 System - Sensors and pumps 66
4.10.4 System - System selection 67
4.11 Diagnostics 68
4.11.1 Diagnosis – Current fault list 68
4.11.2 Diagnosis – Clear pending error 68
4.11.3 Diagnostics - Error history 68
4.11.4 Diagnostics - Clear error history 69
4.12 Touchscreen 70
4.12.1 Touchscreen - Display settings 70
Display settings - General
70
Display settings - Basic display
71
Display settings - Date / Time
71
Display settings - Software update / Service
71
4.12.2 Touchscreen - Display operating rights 72
Froling Connect
72
4.12.3 Touchscreen - Display allocation 73
5 FAQ 74
5.1 Activation options of pump outlets 74
5.2 Boiler operating statuses 75
5.3 Setting times 76
5.4 Calibrating the touchscreen 78
5.5 Software update Lambdatronic 3200 80
5.5.1 Carrying out a software update on the
boiler controller
81
5.5.2 Carrying out a software update on the
touch control
83
5.5.3 Finishing a software update 84
6 Notes 85
7 Appendix 88
7.1 Addresses 88
7.1.1 Address of manufacturer 88
Customer service
88
7.1.2 Address of the installer 88
Table of contents
Service Manual Lambdatronic P 3200 for pellet boiler (4,3" Touch) | B1620121_en 3

1 General
1.1 About these instructions
Please read and follow the operating instructions, in particular the safety information contained therein. Keep
them available next to the boiler.
These operating instructions include important information about operation, electrical connection and
troubleshooting. The parameters shown depend on the set boiler type and the system configuration!
The constant further development of our products means that there may be minor differences from the pictures
and content. If you discover any errors, please let us know: [email protected].
1.2 Safety information
DANGER
When working on electrical components:
Risk of electrocution!
When work is carried out on electrical components:
❒ Always have work carried out by a qualified electrician
❒ Observe the applicable standards and regulations
➥Work must not be carried out on electrical components by unauthorised persons
WARNING
When touching hot surfaces:
Severe burns are possible on hot surfaces and the flue gas pipe!
When work is carried out on the boiler:
❒ Shut down the boiler according to procedure (“Boiler off” operating status) and allow it to
cool down
❒ Protective gloves must usually be worn for work on the boiler, and it should only be
operated using the handles provided
❒ Insulate the flue gas pipes and do not touch them during operation
The information on safety, standards and guidelines in the assembly and operating instructions for the boiler
should also be observed!
1General
About these instructions
4 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com

2 Power connection and wiring
2.1 Core module and connection options
2.1.1 Board view - core module
6,3 AT
sw +
gr -
IN
+24V
grün-gelb
rot +
blau -
ws 13VDC
NZ
COM
PZ
S
HE-
HE+
ZU
AUF
P2
5V/P3
ZU
AUF
P2
5V/P3
ws 13VDC
KM-35
(Betriebssignal)
KM-02
(Bus)
KM-01
(Bus)
KM-04
(COM 2)
KM-06
(Breitbandsonde)
KM-09
(Verriegelung)
(siehe Tabelle ...)
KM-10
(STB)
KM-11
(NOT-HALT)
KM-07
KM-07a
KM-08
KM-08a
KM-05
(COM 1)
KM-03
(Bus)
KM-36
(Optionsmodul) L N
PEPEPE
KM-34
(Heizkreispumpe 0
oder Brennerrelais)
KM-33
(Heizkreispumpe 1)
KM-32
(Heizkreispumpe 2)
KM-31
(Mischer 1)
KM-30
(Mischer 2)
KM-29
(Netz)
KM-28
(Pumpe 1)
KM-27
(Saugzug)
KM-15
(Abgasfühler)
KM-14
(Kesselfreigabe)
KM-13
(Lambdasonde)
FRKEM29
L1
N
N
L
N
L
N
L
N
LV
LV
L
Sig
+5V
N
L
N
AUF
ZU
N
AUF
ZU
+24V
Sig
+24V
KM-26 (PWM / 0-10V Pumpe 1) KM-25 (Kesselfühler) KM-24 (Rücklauffühler) KM-23 (Vorlauffühler 1) KM-22 (Vorlauffühler 2) KM-21 (Raumfühler 1) KM-20 (Raumfühler 2) KM-19 (Außenfühler) KM-18 (siehe Tabelle ...) KM-17 (siehe Tabelle ...) KM-16 (Türkontaktschalter) KM-12 (Durchflussmesser)
Mains fuse
Core module
End jumper
Connection / Name Note
KM-01 BUS Connection with cable – LIYCY paired 2x2x0.5;
⇨ See "Connecting the bus cable" [page 25]
Caution! CAN L and CAN H must not be connected to +UBUS!
KM-02 BUS Patch cable CAT 5 RJ45 SFTP 1:1 configuration; pellet module
connection
KM-03
KM-04 COM 2 Null modem cable 9-pin SUB-D;
Connection is used e.g. as MODBUS interface
Power connection and wiring 2
Core module and connection options
Service Manual Lambdatronic P 3200 for pellet boiler (4,3" Touch) | B1620121_en 5

Connection / Name Note
KM-05 COM 1 Null modem cable 9-pin SUB-D;
Service interface for software update and connection to visualisation
software
KM-06 Broadband probe Connection cable1) 5 x 0.75 mm2
Connection of a Bosch (item number 69001A) or NTK (item number
69003) broadband Lambda probe
KM-07 Pellets-Box Comfort
1-2-3 suction module
PE1 Pellet
P4 Pellet
Refer to the respective documentation of the suction system for
details on the connection!
KM-08
KM-07a Underpressure
transmitter
PE1c Pellet Connection cable1) 3 x 0.75 mm2
KM-08a Solenoid valve PE1c Pellet Connection cable1) 2 x 0.75 mm2
KM-09 Lock Connection cable1) 2 x 0.75 mm2
KM-10 High-limit thermostat
KM-11 EMERGENCY STOP Caution! Do not connect the emergency stop/shutdown switch to the
boiler power supply line. The switch must be a N/C switch and it
must be linked to the 24V safety chain of the STL at this terminal.
KM-12 Flowmeter Connection cable1) 2 x 0.75 mm2
KM-13 Lambda probe Connection cable1) 4 x 0.75 mm²
Connection of a Bosch switching-type sensor (type LSM11) or NTK
switching-type sensor (type OZA685, item number: 69400)
KM-14 Boiler release Connection cable1) 2 x 0.75 mm2
Caution! The connection must be a floating connection.
⇨ See "Boiler enable contact" [page 8]
KM-15 Flue gas temperature sensor Only use connection cable of the component
KM-16 -
KM-17 Sensor 2 PE1c Pellet Connection cable1) 2 x 0.75 mm2, WOS/ash removal monitoring
PECO Connection cable1) 2 x 0.75 mm2, bottom storage tank sensor
KM-18 Sensor 1 PE1 Pellet
P4 Pellet
Connection cable1) 2 x 0.75 mm2, sensor 1 in the STL housing
PE1c Pellet Connection cable1) 2 x 0.75 mm2, condenser flue gas temperature
PECO Connection cable1) 2 x 0.75 mm2, bottom DHW tank sensor or
storage tank sensor (depending on hydraulic system)
KM-19 Outside temperature sensor Connection cable1) 2 x 0.75 mm2, shielded from 25 m cable length
KM-20 Room temperature sensor heating circuit
2
KM-21 Room temperature sensor heating circuit
1
KM-22 Flow temperature sensor heating circuit
2
KM-23 Flow temperature sensor heating circuit
1
KM-24 Return feed sensor PECO Connection cable1) 2 x 0.75 mm2, sensor 1 in the STL housing
KM-25 Boiler sensor Connection cable1) 2 x 0.75 mm2
KM-26 PDM / 0-10V pump 1
2Power connection and wiring
Core module and connection options
6 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com

Connection / Name Note
KM-27 Induced draught fan Connection cable1) 3 x 1.5 mm2 for power supply, Connection
cable1) 3 x 0.75 mm2 for analysis of current speed
KM-28 Pump 1 Connection cable1) 3 x 1.5 mm2, max. 1.5A / 280W / 230V
KM-29 Mains connection Connection cable1) 3 x 1.5 mm2, fuse provided by customer: C16A
KM-30 Mixing valve heating circuit 2 Connection cable1) 4 x 0.75 mm2, max. 0.15A / 230V
KM-31 Mixing valve heating circuit 1
KM-32 Heating circuit pump 2 Connection cable1) 3 x 1.5 mm2, max. 2.5A
KM-33 Heating circuit pump 1
KM-34 Heating circuit pump 0
or burner relay
Connection cable1) 3 x 1.5 mm2, max. 2A
KM-35 Operating signal Connection cable1) 2 x 0.75 mm2
⇨ See "Operating signal" [page 12]
KM-36 Optional module
1.YMM as per ÖVE-K41-5 or H05VV-F as per DIN VDE 0881-5
2.1.2 Mains connection
Connect the power supply at the “mains connection" plug
❒ Flexible sheathed cable must be used for the wiring; this must be of the correct size to comply with
applicable regional standards and regulations.
2.1.3 Connecting the outside temperature sensor
The outside temperature sensor is included with the materials supplied for the boiler and is usually mounted on
an outer wall that is not directly exposed to the sun. It continuously measures the ambient temperature and
forms part of the weather-compensated heating circuit control.
KM-19 / Außenfühler
In the delivered state, the outside temperature sensor is read in by the core module ("KM-19 / outside
temperature sensor" connection). Alternatively, the outside temperature sensor can be connected to an
additional heating circuit module.
⇨ See "Heating circuit module" [page 13]
Power connection and wiring 2
Core module and connection options
Service Manual Lambdatronic P 3200 for pellet boiler (4,3" Touch) | B1620121_en 7

2.1.4 FRA room temperature sensor
In addition to recording the current room temperature, the Froling FRA room temperature sensor also has a
handwheel to adjust the required room temperature and a slide switch to set the mode for the heating circuit.
AUS
UHR
NACHT
TAG
FV
RFFV
COM
Raumfühler FRA
RF 1/2
Kernmodul S/P/H 3200
AUS
UHR
NACHT
TAG
FV
RFFV
COM
Raumfühler FRA
RF 1/2
Kernmodul S/P/H 3200
affecting room: not affecting room:
Possible positions of the mode switch:
Boiler off Heating circuit deactivated, only frost protection!
Automatic mode Heating and setback phases according to the set times
Setback mode Ignores the heating phases and continuously controls the
room temperature to the temperature set in setback mode
Party switch Ignores the setback phases and continuously controls the
room temperature to the temperature set in heating mode
Handwheel… Allows you to adjust the temperature by +/- 3°C
IMPORTANT! Refer to the supplied assembly instructions for more detailed explanations on connecting and
operating the FRA room temperature sensor.
2.1.5 Boiler enable contact
When commissioning the boiler using the settings wizard, the boiler release contact function (“How is the
boiler release contact on the core module being used?”) is called up to enable the optional
analysis of an external floating release or start contact. The following functions are possible depending on the
setting and electrical connection:
Connection position Setting Description
6,3 AT
sw +
gr -
IN
+24V
grün-gelb
rot +
blau -
ws 13VDC
NZ
COM
PZ
S
HE-
HE+
ZU
AUF
P2
5V/P3
ZU
AUF
P2
5V/P3
ws 13VDC
KM-35
(Betriebssignal)
KM-02
(Bus)
KM-01
(Bus)
KM-04
(COM 2)
KM-06
(Breitbandsonde)
KM-09
(Verriegelung)
KM-10
(STB)
KM-11
(NOT-HALT)
KM-07
(siehe Tabelle ...)
KM-08
(siehe Tabelle ...)
KM-05
(COM 1)
KM-03
(Bus)
KM-36
(Optionsmodul) L N
PEPEPE
KM-34
(Heizkreispumpe 0
oder Brennerrelais)
KM-33
(Heizkreispumpe 1)
KM-32
(Heizkreispumpe 2)
KM-31
(Mischer 1)
KM-30
(Mischer 2)
KM-29
(Netz)
KM-28
(Pumpe 1)
KM-27
(Saugzug)
FRKEM29
L1
N
N
L
N
L
N
L
N
LV
LV
L
Sig
+5V
N
L
N
AUF
ZU
N
AUF
ZU
KM-26 (PWM / 0-10V Pumpe 1) KM-25 (Kesselfühler) KM-24 (Rücklauffühler) KM-23 (Vorlauffühler 1) KM-22 (Vorlauffühler 2) KM-21 (Raumfühler 1) KM-20 (Raumfühler 2) KM-19 (Außenfühler) KM-18 (Fühler 1) KM-17 (Fühler 2) KM-16 (Türkontaktschalter)
KM-15
(Abgasfühler)
KM-14
(Kesselfreigabe)
KM-13
(Lambdasonde)
KM-12 (Durchflussmesser)
not in use No effect on boiler operation (contact must not be clamped/
bridged).
Release/disable boiler As long as the boiler release contact is closed, the boiler controller
operates according to the specified parameters (mode, time
window, etc.). If the boiler release contact is opened, the boiler is
no longer released and follows the shutdown procedure. As long as
the boiler release contact is open, heating requirements are
ignored. (e.g. flue gas thermostat of a supply boiler, house
distribution box).
Extra heating As long as the boiler release contact is open, the boiler controller
operates according to the specified parameters. If the boiler release
contact is closed, the boiler starts in continuous load operation (e.g.
heat requirements of a heating fan).
2Power connection and wiring
Core module and connection options
8 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com

2.1.6 Connecting a circulating pump to the core module
Different types of wiring must be implemented depending on the type of pump:
High efficiency pump with control line (PWM / 0-10V)
On high efficiency pumps with an additional wired control line, the speed control is implemented via the
additional connection for the PWM or 0-10V signal.
FRKEM29
Pumpe 1
N
PE
L
LV
N
Netz
PE
L
AO-P1
PWM
0-10V
❒ Connect the power supply for the high efficiency pump to output “Pump 1” of the core module
❒ Connect the PWM cable of the high efficiency pump to the corresponding “PWM / 0-10V” port
➥Make sure that the cables are configured correctly (polarity) in accordance with the connection diagram
of the pump!
❒ Set control of the pump in the relevant menu to “Field pump / PWM” or “Field pump / 0-10V”
High efficiency pump without control signal
It is not possible to control the speed when using this type of pump. The use of a line regulating valve (e.g.:
Setter balancing valve) is recommended.
Power connection and wiring 2
Core module and connection options
Service Manual Lambdatronic P 3200 for pellet boiler (4,3" Touch) | B1620121_en 9

FRKEM29
Pumpe 1
N
PE
L
LV
N
Netz
PE
L
AO-P1
22 12
24 14
21 11
A2 A1
❒ Connect pump with relay and RC element isolated from the output
❒ In the relevant menu, set the pump control to “HE pump without control signal”
AC pump without control signal (pulse package control)
On older pumps without a control signal that are not highly efficient, the speed control is implemented via a
pulse package control. Please note that the minimum speed may need to be adjusted on some pumps (default
setting: 30%).
FRKEM29
Pumpe 1
N
PE
L
LV
N
Netz
PE
L
AO-P1
❒ Connect pump to output “Pump 1” of the core module
❒ In the relevant menu, set the pump control to “Pump without control signal”
2.1.7 Connecting an isolating valve to the core module
If an isolating valve is connected to the speed-controlled pump outlet, an RC element must be used.
2Power connection and wiring
Core module and connection options
10 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com

FRKEM29
Pumpe 1
N
PE
L
LV
N
Netz
PE
L
AO-P1
HKP0
N
PE
L1
❒ Phase (L) for switching the valve and connecting neutral conductor (N) to output “Pump 1” with the RC
element
❒ Phase (L) for continuous supply (switches the valve back to the initial position) at output “HCP0” – connect
terminal “L1”
Power connection and wiring 2
Core module and connection options
Service Manual Lambdatronic P 3200 for pellet boiler (4,3" Touch) | B1620121_en 11

2.1.8 Heating circuit pump 0 / burner relay
Depending on the system setting, the connection “Heating circuit pump 0” can be used for heating circuit pump
0 or as a burner relay. The following connection instructions must be observed:
Heating circuit pump 0 Burner relay
HKP 0
N
PE
L1
The pump can be supplied with up to a
max. 2 Ampere directly via the output.
During this process, phase (L1) of the
output is connected to the switch
contact.
HKP 0
N
PE
L1
L NPE
The pump must be supplied externally
with 2 Ampere. Up to max. 5 Ampere,
the floating contact can used to switch
the phase. At above 5 Ampere, the
pump must be isolated with a relay.
HKP 0
N
PE
L1
Wire the floating output contact as an
enabling signal to control the standby
boiler.
2.1.9 Operating signal
On the core module (connection position KM-35), it is possible to issue a floating operating signal. The status is
displayed under the “Standby relay” output in the “Manual” -> “Digital outputs” menu.
Operating status Relay status
Boiler off, standby, fault 0
All other operating statuses (e.g. preparation, heating up, pre-heating, ignition, heating, slumber,
cleaning, shutdown wait 1, shutdown wait 2, etc.)
1
2Power connection and wiring
Core module and connection options
12 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com

2.2 Expansion modules
2.2.1 Heating circuit module
Two heating circuits can be controlled as standard with the core module.
To add further heating circuits, the heating circuit module boards must be expanded. Expansion can include up
to eight heating circuit modules (address 0 to 7). A total of up to 18 heating circuits can be controlled. It is
important to ensure that the module address is set correctly.
⇨ See "Setting the module address" [page 26]
N
N
L
L
HE-09
(Heizkreispumpe 1)
HE-08
(Netz)
HE-01
HE-02
(2x Bus)
HE-03
(Vorlauffühler 1)
HE-04
(Vorlauffühler 2)
HE-05
(Raumfühler 1)
HE-06
(Raumfühler 2)
HE-07
(Fühler 1)
HE-10
(Heizkreispumpe 2)
HE-11
(Mischer 1)
HE-12
(Mischer 2)
N
L
N
ZU
AUF
N
ZU
AUF
FRHEM19
Heating circuit module
Module address
End jumper
Mains fuse
Connection / Name Note
HE-01 BUS Connection with cable – LIYCY paired 2x2x0.5;
⇨ See "Connecting the bus cable" [page 25]
Caution! CAN L and CAN H must not be connected to +UBUS!
HE-02 BUS
HE-03 Flow temperature sensor 1 Connection cable1) 2 x 0.75 mm2;
HE-04 Flow temperature sensor 2
HE-05 Room temperature sensor 1 Connection cable1) 2 x 0.75 mm2, shielded from 25 m cable length
HE-06 Room temperature sensor 2
HE-07 Sensor 1 Connection cable1) 2 x 0.75 mm2;
Connection of the outside temperature sensor if this is not to be connected to
the core module. The address of the heating circuit module to which the outside
temperature sensor is connected must be set in the “Heating – General settings”
menu.
HE-08 Mains Connection cable1) 3 x 1.5 mm2, fuse 10A
HE-09 Heating circuit pump 1 Connection cable1) 3 x 1.5 mm2, max. 2.5A / 230V / 500W
HE-10 Heating circuit pump 2
HE-11 Mixing valve 1 Connection cable1) 4 x 0.75 mm2, max. 0.15A / 230V
HE-12 Mixing valve 2
1.YMM as per ÖVE-K41-5 or H05VV-F as per DIN VDE 0881-5
Power connection and wiring 2
Expansion modules
Service Manual Lambdatronic P 3200 for pellet boiler (4,3" Touch) | B1620121_en 13

2.2.2 Hydraulic module
The hydraulic module makes the connections of sensors and pumps available for the hydraulic components of
the system (storage tank, DHW tank etc.).
You must ensure that the module address is assigned correctly.
⇨ See "Setting the module address" [page 26]
Hydraulic module – Version FRHYU21
FRHYU21
N
N
L
L
HY-14
(Pumpe _.1)
HY-13
(Netz)
HY-05
(AO-P1)
HY-07
(Fühler _.1)
HY-08
(Fühler _.2)
HY-09
(Fühler _.3)
HY-10
(Fühler _.4)
HY-11
(Fühler _.5)
HY-12
(Fühler _.6)
HY-06
(AO-P2)
HY-15
(Pumpe _.2)
N
L
HY-03 / HY-04
(Bus)
HY-01
HY-02
(Bus)
Hydraulic module
Mains fuse
Module address
End jumper
Connection / Name Note
HY-01 BUS Patch cable CAT 5 RJ45 SFTP 1:1 configuration;
HY-02 BUS
HY-02 BUS Connection with cable – LIYCY paired 2x2x0.5;
⇨ See "Connecting the bus cable" [page 25]
Caution! CAN L and CAN H must not be connected to +UBUS!
HY-04 BUS
HY-05 AO-P1 Connection cable1) 2 x 0.75 mm2
Connection of the control signal (PDM or 0-10V) of the relevant pump (AO-P1 =
pump 1 of the board)
HY-06 AO-P2
HY-07
:
HY-12
Sensor _.1
:
Sensor _.6
Connection cable1) 2 x 0.75 mm2, shielded from 25 m cable length
Sensor inputs on the board. The correct sensor designation is determined by the
set module address (0-7).
Example: Module address “2” = sensor 2.1 to sensor 2.6
HY-13 Mains Connection cable1) 3 x 1.5 mm2, fuse 10A
HY-14 Pump _.1 Connection cable1) 3 x 1.5 mm2, max. 1.5A / 230V / 280W
Pump outlets on board. The correct pump designation is determined by the set
module address (0-7).
Example: module address “2” = pump 2.1 and pump 2.2
HY-15 Pump _.2
1.YMM as per ÖVE-K41-5 or H05VV-F as per DIN VDE 0881-5
2Power connection and wiring
Expansion modules
14 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com

Hydraulic module – Version FRHYU22
FRHYU22
N
N
L
L
HY-14
(Pumpe _.1)
HY-13
(Netz)
HY-03 / HY-04
(Bus)
HY-05
(AO-P1)
HY-07
(Fühler _.1)
HY-08
(Fühler _.2)
HY-09
(Fühler _.3)
HY-10
(Fühler _.4)
HY-11
(Fühler _.5)
HY-06
(AO-P2)
HY-12
(Fühler _.6)
HY-01
HY-02
(Bus)
HY-15
(Pumpe _.2)
L
N
L L
Hydraulic module
Mains fuse
Module address
End jumper
Connection / Name Note
HY-01 BUS Patch cable CAT 5 RJ45 SFTP 1:1 configuration;
HY-02 BUS
HY-03 BUS Connection with cable – LIYCY paired 2x2x0.5;
⇨ See "Connecting the bus cable" [page 25]
Caution! CAN L and CAN H must not be connected to +UBUS!
HY-04 BUS
HY-05 AO-P1 Connection cable1) 2 x 0.75 mm2
Connection of control signal for relevant pump
HY-06 AO-P2
HY-07
:
HY-12
Sensor _.1
:
Sensor _.6
Connection cable1) 2 x 0.75 mm2, shielded from 25 m cable length
Sensor inputs on the board. The correct sensor designation is determined by the
set module address (0-7).
Example: Module address “2” = sensor 2.1 to sensor 2.6
HY-13 Mains Connection cable1) 3 x 1.5 mm2, fuse 10A
HY-14 Pump _.1 Connection cable1) 3 x 1.5 mm2, max. 1.5A / 230V / 280W
Pump outlets on board. The correct pump designation is determined by the set
module address (0-7).
Example: module address “2” = pump 2.1 and pump 2.2
Depending on the type of pump, the phase (L) is either connected to the relay
output or triac output.
⇨ See "Connecting a circulating pump to the hydraulic module" [page 15]
HY-15 Pump _.2
1.YMM as per ÖVE-K41-5 or H05VV-F as per DIN VDE 0881-5
Connecting a circulating pump to the hydraulic module
CAUTION! As of module version FRHYU22, one relay output is available at each of the pump outlets in addition
to the triac output. Observe the following connection diagrams to correctly implement the wiring of the circulating
pump.
Power connection and wiring 2
Expansion modules
Service Manual Lambdatronic P 3200 for pellet boiler (4,3" Touch) | B1620121_en 15

High efficiency pump with control line (PDM / 0-10V)
On high efficiency pumps with an additional wired control line, the speed control is implemented via the
additional connection for the PDM or 0-10V signal.
up to hydraulic module version FRHYU21 up to hydraulic module version FRHYU22
FRHYU21
N
Pumpe 1Netz
PE L N PE L
AO-P1
PWM
0-10V
FRHYU22
PWM
0-10V
N
AO-P1
Pumpe 1Netz
PE L N PE L L
❒Hydraulic module FRHYU21: Connect the power supply for the high efficiency pump to output "Pump 1" or
“Pump 2”
❒Hydraulic module FRHYU22: Connect the power supply for the high efficiency pump to output "Pump 1" or
“Pump 2” and use the relay output for phase (L)
❒ Connect the PDM cable of the high efficiency pump to the corresponding port "AO-P1" or "AO-P2"
➥Make sure that the cables are configured correctly (polarity) in accordance with the connection diagram
of the pump!
❒ Set control of the pump in the relevant menu to “Field pump / PDM” or “Field pump / 0-10V”
2Power connection and wiring
Expansion modules
16 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com

High efficiency pump without control signal
It is possible to control the speed when using this type of pump. The use of a line regulating valve (e.g.: Setter
balancing valve) is recommended.
up to hydraulic module version FRHYU21 up to hydraulic module version FRHYU22
FRHYU21
22 12
24 14
21 11
A2 A1
N
Pumpe 1
Netz
PE L N PE L
FRHYU22
N
Pumpe 1
Netz
PE L N PE L L
❒Hydraulic module FRHYU21: Connect pump with relay and RC element isolated from the output
❒Hydraulic module FRHYU22: Connect the power supply for the high efficiency pump to output "Pump 1" or
“Pump 2” and use the relay output for phase (L)
❒ In the relevant menu, set the pump to “HE pump without control signal”
AC pump without control signal (pulse package control)
On older pumps without a control signal that are not highly efficient, the speed control is implemented via a
pulse package control. Please note that the minimum speed may need to be adjusted on some pumps (default
setting: 30%).
up to hydraulic module version FRHYU21 up to hydraulic module version FRHYU22
FRHYU21
N
Pumpe 1Netz
PE L N PE L
FRHYU22
N
Pumpe 1Netz
PE L N PE L L
❒Hydraulic module FRHYU21: Connect the power supply for the pump to output "Pump 1" or “Pump 2”
❒Hydraulic module FRHYU22: Connect the power supply for the pump to output "Pump 1" or “Pump 2” and
use the triac output for phase (L)
❒ In the relevant menu, set the pump to “Pump without control signal”
Power connection and wiring 2
Expansion modules
Service Manual Lambdatronic P 3200 for pellet boiler (4,3" Touch) | B1620121_en 17

High efficiency pump with control signal and release contact
When using a high efficiency pump that requires a release contact in addition to the control signal (e.g.
Grundfos Magna 3), the pump outlet of the hydraulic module is used to switch the release.
up to hydraulic module version FRHYU21
FRHYU21
N
Pumpe 1Netz
PE L N PE L
AO-P1
L N
L
N
PE
22 12
24 14
21 11
A2 A1
230 VAC power supply
❒Hydraulic module FRHYU21: Connect the relay to output “Pump 1” or “Pump 2” with RC element isolated
from the output
up to hydraulic module version FRHYU22
FRHYU22
N
AO-P1
Pumpe 1Netz
PE L N PE L L
L N
L
N
PE
22 12
24 14
21 11
A2 A1
230 VAC power supply
❒Hydraulic module FRHYU22: Connect the pump relay to output “Pump 1” or “Pump 2” and use the relay
output for phase (L)
❒ Install and connect two-pole cable (2 x 0.75 mm2) from connection “AO-P1” or “AO-P2” to the pump and
connect terminal “+” with terminal “IN” of the pump
❒ Install and connect two-pole cable (2 x 0.75 mm2) from NOC on the relay to the pump using terminal “S/S”
as the release contact
❒ Connect power supply at pump connector
❒ In relevant menu, set pump to “Field pump PDM + valve” or “Field pump 0-10V + valve”
2Power connection and wiring
Expansion modules
18 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com

Connecting an isolating valve to the hydraulic module
CAUTION! As of module version FRHYU22, one relay output is available at each of the pump outlets in addition
to the triac output. Observe the following connection diagrams for the correct wiring.
up to hydraulic module version FRHYU21 up to hydraulic module version FRHYU22
FRHYU21
N
Pumpe 1Netz
PE L N PE L
FRHYU22
N
Pumpe 1
Netz
PE L N PE L L
❒Hydraulic module FRHYU21: Phase (L) for switching the valve and connecting neutral conductor (N) to
output “Pump 1” or “Pump 2” with the RC element
❒Hydraulic module FRHYU22: Phase (L) for switching the valve and connecting neutral conductor (N) to
output “Pump 1” or “Pump 2” using the relay output for phase (L)
❒ Connect the phase (L) for continuous supply (switches the valve back to the initial position) to the power
supply at terminal “L”
Power connection and wiring 2
Expansion modules
Service Manual Lambdatronic P 3200 for pellet boiler (4,3" Touch) | B1620121_en 19

2.2.3 Pellet module
The pellet module is included in standard delivery and provides the connections of the hardware components for
the pellet feed and pellet combustion:
N
L
N
L
N
L
N
L
N
L
N
L
N
L
N
IN
+24V
OFFEN
+24V
GESCHL.
+24V
GND
OUT
OFFEN
GESCHL.
AUF
ZU
GND
+24V
L
PM-01
(Zündung)
PM-02
(siehe Tabelle ...)
PM-03
(Ascheschnecke)
PM-04
(Ascheschnecke)
PM-05
(Netz)
F1 F2
PM-06
(Saugturbine)
PM-07
(Stokermotor)
PM-08
(siehe Tabelle ...)
PM-09
(Verriegelung)
IN
GND
+24V
IN
GND
+24V
COM
NC
NO
P2/IN
GND
AUF
ZU
+24V
PM-12
(siehe Tabelle ...)
PM-13
(Niveau Max)
PM-14
(siehe Tabelle ...)
PM-15
(Strömungssensor)
PM-18
(Türkontaktschalter)
PM-19
(Türkontaktschalter)
PM-20
(Störmeldung)
PM-17
(Bus)
PM-16
(Bus)
PM-10
(Rückbrandklappe)
PM-11
(Rostantrieb)
PM-21
(Pelletmodulerweiterung)
L_STB
L
L
N
FRPEM25
Pellet module
End jumper
Fuses
Connection / Name Note
PM-01 Ignition Use connection cable of the component
PM-02 WOS drive PE1 Pellet
P4 Pellet
Vibrator PE1c Pellet
PM-03 Ash screw
PM-04 Ash screw
PM-05 Mains connection Connection cable1) 3 x 1.5 mm2
PM-06 Pellets suction turbine Connection cable1) 3 x 1.5 mm2
PM-07 Stoker motor Use connection cable of the component
PM-08 Vibrator PE1 Pellet
P4 Pellet
PECO
Connection cable1) 3 x 1.5 mm2
Feed screw PE1c Pellet Use connection cable of the component
PM-09 Lock Connection cable1) 2 x 0.75 mm2
PM-10 Burn back flap Use connection cable of the component
PM-11 Grate drive
PM-12 Min level P4 Pellet
Gravity shaft PE1c Pellet
2Power connection and wiring
Expansion modules
20 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com