oventrop Regtronic RX User manual

*11209016* 11209016
Valves, controls + systems
„Regtronic RX“
Installation and operating instructions for the specialised installer
EN
Please read this manual carefully to get the best performance from this unit.
Please keep this manual carefully.
IT
Istruzioni d’installazione e funziona-
mento per l’installatore qualifi cato
Le istruzioni complete sono disponibili nel
seguente link: www.oventrop.com
http://www.oventrop.de/qr/136109581#IT
ES
Instrucciones de instalación y opera-
ción para el instalador especializado
El manual de instrucciones completo
se puede consultar en el siguiente link:
www.oventrop.com
http://www.oventrop.de/qr/136109581#ES
RU
Инструкция по монтажу и эксплуа-
тации для специалистов
Полное руководство по эксплуатации
можно найти по следующей ссылке:
www.oventrop.com
http://www.oventrop.de/qr/136109581#RU
CS
Montážní a provozní návod pro od-
borné pracovníky
Úplný návod k obsluze najdete na:
www.oventrop.com
http://www.oventrop.de/qr/136109581#CS

en
2
© 20160406_11209016_Oventrop_Regtronic_RX.monen.indd
Safety advice
Pay attention to the following safety advice in order
to avoid danger and damage to people and property.
Instructions
Attention must be paid to the valid local standards,
regulations and directives!
Information about the product
Proper usage
The solar controller is designed for use in standard
solar thermal and heating systems in compliance with
the technical data specied in this manual.
Improper use excludes all liability claims.
CE Declaration of conformity
The product complies with the relevant di-
rectives and is therefore labelled with the
CE mark.
Note:
Strong electromagnetic elds can impair the
function of the controller.
ÎMake sure the controller as well as the
system are not exposed to strong elec-
tromagnetic elds.
Subject to technical change. Errors excepted.
Target group
These instructions are exclusively addressed to au-
thorised skilled personnel.
Only qualied electricians should carry out electrical
works.
Initial installation must be effected by the system own-
er or qualied personnel named by the system owner.
Description of symbols
WARNING! Warnings are indicated with a warn-
ing triangle!
ÎThey contain information
on how to avoid the danger
described.
Signal words describe the danger that may occur,
when it is not avoided.
• WARNING means that injury, possibly life-threat-
ening injury, can occur.
• ATTENTION means that damage to the appli-
ance can occur.
Note:
Notes are indicated with an information
symbol.
ÎArrows indicate instruction steps that should be
carried out.
Disposal
• Dispose of the packaging in an environmentally
sound manner.
• Dispose of old appliances in an environmentally
sound manner. On request we will take back your
old appliances bought from us and guarantee an en-
vironmentally sound disposal of the devices.

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3
RX
Contents
1 Overview .................................................... 4
2 Installation ................................................. 5
2.1 Mounting ....................................................................5
2.2 Electrical connection ...............................................5
2.3 Data communication / Bus ......................................6
3 Operation and function ............................ 7
3.1 Buttons .......................................................................7
3.2 Selecting menu points and adjusting values .......7
4 Initial commissioning .............................. 11
4.1 Basic systems and hydraulic variants..................13
4.2 Overview of relay and sensor allocation ..........14
4.3 SD card slot.............................................................17
5 Step-by-step parameterisation .............. 17
5.1 Menu structure .......................................................18
6 Status........................................................ 19
6.1 Solar ..........................................................................19
6.2 Arrangement ...........................................................19
6.3 Messages...................................................................19
6.4 Meas./ Balance values .............................................19
6.5 Service ......................................................................19
7 Solar.......................................................... 20
7.1 Basic solar settings.................................................20
7.2 Solar optional functions........................................25
7.3 Solar expert menu .................................................30
8 Arrangement ........................................... 31
8.1 Optional functions .................................................31
9 HQM ......................................................... 38
10 Basic settings ........................................... 39
11 SD card..................................................... 39
12 Manual mode ........................................... 41
13 User code ................................................. 41
14 In- / Outputs.............................................. 42
14.1 Modules ....................................................................42
14.2 Inputs.........................................................................43
14.3 Outputs ....................................................................44
14.4 PWM proles ..........................................................46
15 Troubleshooting....................................... 48
16 Index ......................................................... 51

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1 Overview
Technical data
Housing: plastic, PC-ABS and PMMA
Protection type: IP 20 / EN 60529
Protection class: I
Ambient temp.: 0 … 40 °C
Dimensions: 198 × 170 × 43 mm
Mounting: wall mounting, also suitable for mounting
into patch panels
Display: full graphic display, control lamp (directional
pad) and background illumination
Operation:
7 push buttons at the front of the housing
Functions: system controller for solar systems. Func-
tions such as: ΔT control, pump speed control, heat
quantity measurement, operating hours counter for
the solar pump, tube collector function, thermostat
function, store loading in layers, priority logic, heat
dump function, circulation function, PWM pump con-
trol, function control.
Inputs: 8 (9) inputs for Pt1000, Pt500, or KTY tem-
perature sensors (7 of them can be used for remote
controls), 1 V40 impulse inputs, inputs for 2 digital
Grundfos Direct Sensors™ (1xVFD, 1x RPD), 1 input
for a CS10 irradiation sensor
170
198
43
Outputs: 4 semiconductor relays, 1 potential-free re-
lay, 2 PWM outputs (convertible to 0-10 V)
Interfaces: S-Bus, SD card slot
Power supply: 100 … 240 V~, 50 … 60 Hz
Switching capacity per relay:
1 (1) A 240V~ (semiconductor relay)
4 (1) A 240V~ (potential-free relay)
4 (1) A 24V⎓(potential-free relay)
Total switching capacity: 4 A 240 V~
Fuse: T4A
Standby power consumption: < 1W
Mode of operation: type 1.Y
Degree of pollution: 2
Rated impulse voltage: 2.5 KV
Supply connection: type Y attachment

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WARNING! Electric shock!
Upon opening the housing, live parts
are exposed!
ÎAlways disconnect the
device from power supply
before opening the housing!
cover
screw
Note:
Strong electromagnetic elds can impair the
function of the controller.
ÎMake sure the controller as well as the
system are not exposed to strong elec-
tromagnetic elds.
lower fastening point
upper fastening point
2 Installation
2.1 Mounting
The device must only be located in dry interior rooms.
The controller must additionally be supplied from a
double pole switch with contact gap of at least 3 mm.
Please pay attention to separate routing of sensor ca-
bles and mains cables.
In order to mount the device to the wall, carry out
the following steps:
ÎUnscrew the cross-head screw from the cover
and remove it along with the cover from the
housing.
ÎMark the upper fastening point on the wall. Drill
and fasten the enclosed wall plug and screw leav-
ing the head protruding.
ÎHang the housing from the upper fastening point
and mark the lower fastening points (centres
150 mm).
ÎInsert lower wall plugs.
ÎFasten the housing to the wall with the lower fas-
tening screw and tighten.
ÎCarry out the electrical wiring in accordance
with the terminal allocation, (see chap. 2.2).
ÎPut the cover on the housing.
ÎAttach with the fastening screw.
Note:
The minimum pump speed must be set to
100 % when non-speed-controlled devices
such as valves are connected.
2.2 Electrical connection
Note:
Connecting the device to the power supply
must always be the last step of the instal-
lation!
The controller is equipped with 5 relays in total to
which loads such as pumps, valves, etc. can be con-
nected:
Relays 1 …4 are semiconductor relays, designed for
pump speed control.
Conductor R1 … R4
Neutral conductor N (common terminal block)
Protective earth conductor ⏚(common terminal
block)
Relay 5 is a potential-free relay:
R5-A = normally open contact
R5-M = centre contact
Relay 5 is a potential-free relay:
Connections to the R5 terminals can be made with
either polarity.
WARNING! ESD damage!
Electrostatic discharge can lead to
damage to electronic components!
ÎTake care to discharge prop-
erly before touching the
inside of the device!To do
so, touch a grounded surface
such as a radiator or tap!

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WARNING! Electric shock!
Upon opening the housing, live
parts are exposed!
ÎAlways disconnect the de-
vice from power supply be-
fore opening the housing!
Note:
For more details about the initial commis-
sioning procedure see page 11.
Depending on the product version, mains cables and
sensor cables are already connected to the device. If
that is not the case, please proceed as follows:
The temperature sensors (S1 to S8) have to be
connected to the terminals S1 …S8 and GND (either
polarity).
The S9 terminal is an impulse input for an impulse
owmeter or a ow switch.
An impulse owmeter can be connected to the termi-
nals S9 /V40 and GND (either polarity).
Connect the irradiation sensor to the terminals CS10
and GND with correct polarity.To do so, connect the
cable marked GND to the GND common terminal
block, the cable marked CS to the terminal marked
CS10.
In the menu, the irradiation sensor will be indicated
as CS10.
The connector marked PWM contains the 2 PWM-/
0-10 V control signal outputs for high-efciency
pumps.
2 4
1 3
S-Bus
S-Bus GND
1 = PWM output 1, control signal
2 = PWM output 1, GND
3 = PWM output 2, GND
4 = PWM output 2, control signal
In the In-/Outputs menu, relays can be allocated to
the PWM outputs.
Connect the digital Grundfos Direct Sensors™ to
the VFD and RPD inputs.
The controller is supplied with power via a mains
cable. The power supply of the device must be
100 … 240V~ (50 … 60 Hz).
The mains connection is at the following terminals:
• Neutral conductor N
• Conductor L
• Protective earth conductor ⏚(common terminal
block)
WARNING! Electric shock!
L' is a fused contact permanently
carrying voltage.
ÎAlways disconnect the de-
vice from power supply be-
fore opening the housing!
2.3 Data communication / Bus
The controller is equipped with an S-Bus or data
transfer with and energy supply to external modules.
The connection is carried out at the two terminals
marked S-Bus and GND (either polarity). One or
more S-Bus modules can be connected via this data
bus, such as:
• OVENTROP CS-BS Datalogger
• Regtronic EM Extension Module
S-Bus
S-Bus GND
connection for digital
Grundfos Direct Sensors™
potential-free relay
sensor ground
common terminal block
sensor terminals
protective conductor
common terminal block (PE) neutral conductor
common terminal block
PWM (0-10V)
terminals
S-Bus

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3 Operation and function
3.1 Buttons
The controller is operated via the 7 buttons next to
the display.They have the following functions:
Button ❶- scrolling upwards
Button ❸- scrolling downwards
Button ❷- increasing adjustment values
Button ❹- reducing adjustment values
Button ➄ - con rming
Button ➅- entering the status menu/ chimney
sweeper mode (system-dependent)
Button ➆- escape button for changing into the
previous menu
1
2
4
63
5
7
3.2 Selecting menu points and adjusting
values
During normal operation of the controller, the display
is in the main menu. If no button is pressed for a few
seconds, the display illumination goes out.
Press any key to reactivate the display illumination.
ÎIn order to scroll though a menu or to adjust a
value, press either buttons ❶and ❸or buttons
❷and ❹.
ÎTo open a sub-menu or to con rm a value, press
button ➄.
ÎTo enter the status menu, press button ➅– un-
con rmed adjustments will not be saved.
ÎTo enter the previous menu, press button ➆–
uncon rmed adjustments will not be saved.
If no button has been pressed within a couple of min-
utes, the adjustment is cancelled and the previous val-
ue is retained.
If the symbol »is shown behind a menu item,pressing
button ➄will open a new sub-menu.
If the symbol ➕is shown in front of a menu item,
pressing button ➄will open a new sub-menu. If it is
already opened, a ➖is shown instead of the ➕.

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Values and adjustments can be changed in different
ways:
Numeric values can be adjusted by means of a slide
bar. The minimum value is indicated to the left, the
maximum value to the right.The large number above
the slide bar indicates the current adjustment. By
pressing buttons ❷or ❹the upper slide bar can be
moved to the left or to the right.
Only after the adjustment has been con rmed by
pressing button ➄will the number below the slide
bar indicate the new value. The new value will be
saved if it is con rmed by pressing button ➄again.
current value savedminimum value maximum value
adjusted value
(not yet con rmed)
adjustment
channel
When 2 values are locked against each other, they will
display a reduced adjustment range depending on the
adjustment of the respective other value.
In this case, the active area of the slide bar is short-
ened, the inactive area is indicated as a dotted line.The
indication of the minimum and maximum values will
adapt to the reduction.
active area inactive area
If only one item of several can be selected, they will
be indicated with "radio buttons".When one item has
been selected, the radio button in front of it is  lled.
If more than one item of several can be selected, they
will be indicated with checkboxes.When an item has
been selected, an xappears inside the checkbox.

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3.2.1 Adjusting the timer
When the Timer option is activated, a timer is in-
dicated in which time frames for the function can be
adjusted.
First of all, an overview of the current adjustments is
displayed. For each day of the week there is an over-
view display. The display can be switched back and
forth between the different days by pressing buttons
❷or ❹.
In order to adjust the timer, press button ➄.
First, individual or all days of the week can be selected
for timer adjustment.
The last menu item after the list of days is Continue.
If Continue is selected, the Edit timer menu opens,
in which the time frames can be adjusted.
Adding a time frame:
The time frames can be adjusted in steps of 15 min.
In order to add an active time frame, proceed as fol-
lows:
ÎMove the cursor to the desired starting point of
the time frame by pressing buttons ❷and ❹.
Conrm the starting point of the time frame by
pressing button ❶.
ÎMove the cursor to the desired ending point of
the time frame by pressing buttons ❷and ❹.
ÎThe end of a time frame can be determined by
pressing button ➄.
ÎIn order to add another time frame, repeat the
last three steps.
Note:
In order to adjust a 24 h time frame, press
button ❶once during the adjustment pro-
cess.
ÎPress button ➄again to get back to the overview
of current adjustments.

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Removing a time frame:
In order to remove an active time frame, proceed as
follows:
ÎDetermine the point from which on the time
frame is to be removed by pressing button ❸.
ÎMove the cursor to the desired ending point of
the time frame by pressing buttons ❷and ❹.
ÎIn order to conclude removing the time frame,
press button ➄upon reaching the desired ending
point.
ÎPress button ➄again to get back to the overview
of current adjustments.
ÎIn order to leave the timer, press button ➆.

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4 Initial commissioning
When the hydraulic system is  lled and ready for op-
eration, connect the controller to the mains.
The controller runs an initialisation phase in which the
directional pad  ashes red.
When the controller is commissioned for the  rst
time or when it is reset, it will run a commissioning
menu after the initialisation phase.The commissioning
menu leads the user through the most important ad-
justment channels needed for operating the system.
Commissioning menu
The commissioning menu consists of the channels de-
scribed in the following.
1. Language:
ÎAdjust the desired menu language.
2. Units:
ÎAdjust the desired temperature unit.
ÎAdjust the desired volume unit.
ÎAdjust the desired pressure unit.
ÎAdjust the desired energy unit.

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4. Time:
ÎAdjust the clock time. First of all adjust the hours,
then the minutes.
5. Date:
ÎAdjust the date. First of all adjust the year, then
the month and then the day.
3. Daylight savings time adjustment:
ÎActivate or deactivate the automatic daylight sav-
ings time adjustment.
7. Completing the commissioning menu:
After the system has been selected, a security enquiry
appears. If the security enquiry is con rmed, the ad-
justments are saved.
ÎIn order to con rm the security enquiry, press
button ➄.
ÎIn order to reenter the commissioning menu
channels, press button ➆. If the security enquiry
has been con rmed, the controller is ready for
operation and should enable an optimum system
operation.
The adjustments carried out during commissioning
can be changed anytime in the corresponding adjust-
ment channel.
6. Selection of the solar system:
ÎAdjust the desired solar system (number of col-
lectors and stores, hydraulic variants).

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4.1 Basic systems and hydraulic variants
The controller is pre-programmed for 6 basic systems.
The selection depends on the number of heat sources
(collector  elds) and heat sinks (stores). Factory set-
ting is system 1.
System 1: 1 collector  eld - 1 store
System 2: 1 collector  eld - 1 store with store
loading in layers
System 3: 1 collector  eld - 2 stores
System 4: east-/ west collectors - 1 store
System 5: east-/ west collectors - 1 store with store
loading in layers
System 6: east-/ west collectors - 2 stores
System
The controller allocates corresponding relay and
sensor settings for each system.The allocations of all
combinations are shown in chap. 4.2.

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4.2 Overview of relay and sensor allocation
System 1
S1
Col
St
S2 S3
R1
R2
S4
S6
VFD
St top
St base
Relay / sensor allocation
123456789
Relay
Collector pump
Secondary
circuit
Optional
function
Optional
function
Optional
function ----
Sensor Collector Primary circuit Secondary
circuit Store base Free Store top Free Free Free
System 2
S2 S3
S4
S6
R2 R4
VFD
S5
R1
S1
Col
St top
St base
St centre
Relay / sensor allocation
123456789
Relay
Collector pump
Secondary
circuit
Optional
function 3-port valve Optional function ----
Sensor Collector Primary circuit Secondary
circuit Store base Store centre Store top Free Free Free
Flow direction when
normally open

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System 3
S1
S2 S3
R1 R2
S4
S6
R4
S7
S8
VFD
Col
St1 St2
St1 top
St1 base
St2 top
St2 base
Relay / sensor allocation
System 4 S1
S2 S3
R1
R2
S4
S6
S5
R3
VFD
Col 1
Col 2
St
St top
St base
Relay / sensor allocation
123456789
Relay
Collector pump
Secondary
circuit
Optional
function 3-port valve Optional function ----
Sensor Collector Primary circuit Secondary
circuit Store 1 base Free Store 1 top Store 2 base Store 2 top Free
123456789
Relay
Collector
pump 1
Secondary
circuit
Collector
pump 2
Optional
function
Optional
function ----
Sensor Collector 1 Primary circuit Secondary
circuit Store base Collector 2 Store top Free Free Free
Flow direction when
normally open

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System 5 S1
S2 S3
R1
R2
S4
S6
R4
S7
R3
VFD
S5
Col 1
Col 2
St top
ST base
St centre
Relay / sensor allocation
System 6 S1
S3
R2
S4
S6
R4
S5
R3
S7
S8
S2
VFD
R1
Col 1
Col 2
St 1 St 2
St1 top
St1 base
St2 top
St2 base
Relay / sensor allocation
123456789
Relay Collector
pump 1
Secondary
circuit
Collector
pump 2 3-port valve Optional function ----
Sensor Collector 1 Primary circuit Secondary
circuit Store base Store centre Store top Collector 2 Free Free
123456789
Relay Collector
pump 1
Secondary
circuit
Collector
pump 2 3-port valve Optional function ----
Sensor Collector 1 Primary circuit Secondary
circuit Store 1 base Collector 2 Store 1 top Store 2 base Store 2 top Free
Flow direction when
normally open
Flow direction when
normally open

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4.3 SD card slot
The controller is equipped with an SD card slot.
With an SD card, the following functions can be car-
ried out:
• Store measurement and
balance values onto the SD
card.After the transfer to a
computer, the values can be
opened and visualised, e. g. in
a spreadsheet.
• Store adjustments and parameterisations on the
SD card and, if necessary, retrieve them from there.
• Download  rmware updates from the Internet and
install them on the controller.
For more information about using an SD card, see
chap. 11 on page 39.
5 Step-by-step parameterisation
1. Running the commissioning menu
The commissioning menu is run after the  rst connec-
tion and after every reset. It will request the following
basic adjustments:
• Menu language
• Temperature unit
• Volume unit
• Pressure unit
• Energy unit
• Time
• Date
• Solar system
At the end of the commissioning menu, a security en-
quiry follows. If the security enquiry is con rmed, the
adjustments are saved.
For further information about the commissioning
menu see page 11.
2. Registering sensors
If impulse  owmeters, Grundfos Direct Sensors™
and/or external extension modules are connected,
these have to be registered in the In-/Outputs menu.
For further information about the registration of
modules and sensors see page 42.
3. Activating solar optional functions
The basic solar system has been adjusted during com-
missioning. Now, optional functions can be selected,
activated and adjusted.
Free relays can be allocated to optional functions
which require a relay.The controller suggests the nu-
merically smallest free relay.
Sensors can be allocated to more than one function.
For further information about the solar optional func-
tions see page 25.
4. Activating optional arrangement functions
Now, optional functions for the non-solar part of the
arrangement can be selected, activated and adjusted.
Free relays can be allocated to optional functions
which require a relay.The controller suggests the nu-
merically smallest free relay.
Sensors can be allocated to more than one function.
For further information about the optional arrange-
ment functions see page 31.

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5.1 Menu structure
Main menu
Status
Solar
Arrangement
HQM
Basic settings
SD card
Manual mode
User code
In- / Outputs
Solar
Basic setting
Opt. functions
Expert
Status
Meas./ Balance values
Solar
Arrangement
Messages
Service
Arrangement
Opt. functions
Basic setting
System
Collector
Store
Loading logic
HX
Load. in layers
Blocking protection
Opt. functions
Afterheating
Return preheating
Solid fuel boiler
Circulation
Error relay
Function block
Parallel relay
The menu items and adjustment values selectable are
variable depending on adjustments already made.The
gure only shows an exemplary excerpt of the com-
plete menu in order to visualise the menu structure.
Basic settings
Language
Auto DST
Date
Time
Temp. unit
Vol. unit
…
Factory setting
In- / Outputs
Modules
Inputs
Outputs

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6 Status
In the Status menu of the controller, the status mes-
sages for every menu area can be found.
6.1 Solar
In the Status / Solar menu, the status of the solar
system, the solar loading and the selected optional
functions are indicated.
6.2 Arrangement
In the Status /Arrangement menu, the status of the
selected optional functions is indicated.
6.3 Messages
In the Status / Messages menu, error and warning
messages that have not been acknowledged are in-
dicated.
During normal operation, the message Everything
OK is indicated.
A line break or short circuit in a sensor line is indicat-
ed as !Sensor fault.
In order to acknowledge an error message, the Sta-
tus /Messages menu has to be entered.
6.4 Meas./ Balance values
In the Status / Meas./ Balance values menu, all cur-
rent measurement values as well as a range of balance
values are displayed. Some of the menu items can be
selected in order to enter a sub-menu.
Additionally, all optional functions selected, the oper-
ating hours counter as well as activated heat quantity
measurements are displayed.
If, for example, Solar / System is selected, a sub-
menu with the sensors and relays allocated to the
solar system opens. In the sub-menu, the current tem-
peratures and the current pump speed are displayed.
When a line with a measurement value is selected,
another sub-menu will open.
If, for example, S1 is selected, a sub-menu indicating
the minimum and maximum values will open.
When the item Chart is selected, a progression chart
appears.
The progression chart shows the development of the
temperature at the corresponding sensor over the
last 24 hours. Press buttons ❷and ❹to switch back
and forth between a chart of the current day and one
of the day before.
6.5 Service
In the Status / Service menu, each sensor and relay
is indicated with the component or function it has
been allocated to. For free sensors and relays, Free
is indicated.

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7 Solar
In this menu, all adjustments for the solar part of the
arrangement can be made.The Solar menu consists of
the following sub-menus:
• Basic setting
• Optional functions
7.1 Basic solar settings
In this menu, all basic settings for the solar part of the
arrangement can be adjusted.
In this menu, the hydraulic system, which is the basis
for the arrangement, can be adjusted. The setting is
divided into systems.
Both system and variant have usually been adjusted
during commissioning. If the setting is changed later
on, all adjustments for the solar part of the arrange-
ment are set back to their factory settings.
If the change causes the solar system to require a re-
lay that has been allocated to an arrangement function
before, all adjustments made in the non-solar function
will be set back to their factory settings as well.
Collector (1/2)
In systems with 2 collector  elds, 2 seperate menu
items (Collector 1 and Collector 2) are displayed
instead of Collector.
For each collector  eld, a collector minimum limita-
tion and a collector emergency shutdown tempera-
ture can be adjusted.
Adjustment channel Description Adjustment range / selection Factory setting
Colmin. Minimum collector temperature 10 … 90 °C 10 °C
Colem. Collector emergency temperature 80 … 130 °C 130 °C
Solar / Basic settings / Collector (1/2)
The system can be selected by the corresponding sys-
tem number.The corresponding number of stores and
collector  elds is visualised on the display.
For an overview of the basic systems see chap. 4.2 on
page 14.
The controller supports up to 2 collector  elds, 2 so-
lar stores and a store being loaded in layers.
The following items in the Solar / Basic settings
menu will adjust to the system selected.