Regulus IR 10 User manual

www.regulus.cz
IR 10
IR 10
EN
User Guide
IR 10 Heating Controlller
v. IR10_CTC_400

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Technical Description of IR 10 Heating Controller...................................................................3
1 How to operate IR 10 Controller.............................................................................................3
1.1 Basic User Menu.................................................................................................................4
2. User menu ..............................................................................................................................8
2.1 Zones – user settings ............................................................................................................8
2.2 Time programs – user settings .............................................................................................9
2.3 OTC curve – user settings....................................................................................................9
2.4 Heat pump control..............................................................................................................10
2.5 Heat pump errors................................................................................................................11
2.6 Setting temperatures for hot water storage tank heated by heat pump (DHW) .................11
2.7 Setting temperatures for thermal store ...............................................................................11
2.8 DHW recirculation and time program settings ..................................................................12
2.9 Statistics .............................................................................................................................12
2.10 Operating data ..................................................................................................................12
2.11 Others ...............................................................................................................................12
2.12 Time and date setting – user settings ...............................................................................12
3 Additional modules ...............................................................................................................13
4 Web interface ........................................................................................................................14

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Technical Description of IR 10 Heating Controller
Ver. IR10 CTC 400
IR 10 Heating Controller (ver. IR10 CTC 400) is a controller of heating systems with a CTC
heat pump and solar thermal system. The controller can handle 2 heating zones with a mixing
valve, DHW heating by a heat pump, DHW heating by an el. heating element and it can control
a backup source (electric or gas-fired boiler).
IR 10 Heating Controller is controlled by 6 keys. Information is shown on a 4-line display. The
Controller features 6 inputs for temperatures measured (by Pt 1000 temperature sensors) one
universal input for a switch (r.g. a room thermostat) and one input for Ripple control signal.
Further it features 6 relay outputs (250V 3A) and two 0-10V outputs capable of continuous
control of circulation pumps.
The Controller is fitted with an Ethernet interface a service intervention, firmware upgrades and
eventually elementary visualization of the concerned heating system. The Controller also
features an RS 232 and RS485 communication interfaces. As an option, an OpenTherm
module can be connected to the Controller for communication with a heat source.
This Controller controls CTC Heat Pumps.
1 How to operate IR 10 Controller
The controller is operated using 6 keys , , , , C, OK on its front panel.
The DISP key switches between User and Service display.
Note: The Service display is intended to show info on the Controller itself and therefore it is
not needed during common operation.

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The keys , are used to browse in the menu. In order to edit a parameter, press OK and
a cursor appears on the parameter. The values of numeric parameters can be
increased/decreased by pressing / keys. Selection parameters (e.g. ON/OFF) are
chosen by pressing keys , . When finished, pressing OK will move the cursor to the next
parameter in the same display. Parameter editing can be also exited without saving by
pressing the key C.
1.1 Basic User Menu
Pressing Cin the basic User menu will always bring back the first – basic display.
1 – outdoor temperature
2 – weekday and time
3 – temperature in zone (if room temp. sensor is used)
4 – temperature in Thermal Store
5 – temperature in DHW storage tank
Heating zone display (zone 1, zone 2):
1 – zone NO / ON / OFF / blocked (by low ThSt temper.)
2 – controller mode winter / summer
3 – current room temperature. If no room sensor is used, the data is shown as 0.0)
4 – desired room temperature per program
5 – adjustment to the desired room temperature. When RC21 IR room unit is used, “PJ“
appears and the adjustment made by this unit is shown
6 – desired heating water temperature for the zone
7 – current heating water temperature
1 2
7 6
3
4
5
3
1 2
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The desired temperature can be adjusted via the parameter “adjust”.
DHW by Heat Pump display:
1 – zone state (on / off / none)
2 – current temperature in DHW tank
3 – desired temperature in DHW tank
4 – heating by heat pump (heat / no heat)
Heat Pump, cascade display:
1 – state of heat pump No.1
2 – state of heat pump No..2
3 – state of heat pump No. 3
In this section, heat pump states are shown that are enabled on the Service level. The states can be
following:
•OFF - service : heat pump is turned off by a heating engineer
•OFF – user : heat pump is turned off on the User level
•fault : heat pump is in alarm mode, alarm details are shown on the User
level in HP Alarms menu
•return - max.T : heat pump is blocked by max. possible return temperature
•flow - max.T : heat pump is blocked by max. possible flow temperature
•ambient – min.T : heat pump is blocked by min. possible outdoor temperature
•ambient – max.T : heat pump is blocked by max. possible outdoor temperature
•sup.refrig.vapor : heat pump is blocked by max. compressor temperature
•high T earth circ. : heat pump is blocked by max. brine circuit temperature
•vapor –low T : heat pump is blocked by low evaporation temperature
•vapor – high T : heat pump is blocked by high evaporation temperature
•cond. – high T : heat pump is blocked by high condensing temperature
2
3
4
1
1
2
3

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•EEV-low T intake : heat pump is blocked by expansion valve’s low suction gas
temperature
•EEV-low T vapor : heat pump is blocked by expansion valve’s low evaporation temper.
•EEV-high T vapor : heat pump is blocked by expansion valve‘s high evaporation temper.
•EEV-low superheat : heat pump is blocked by expansion valve’s low superheat temper.
•EEV-high p cond. : heat pump is blocked by expansion valve’s high condensing temper.
•high pressure : heat pump is blocked by high refrigerant pressure
•defrosting : heat pump is defrosting (only for air/source heat pumps)
•min.run time : HP min. running time is active. This activates always after start,
DHW heating or defrosting
•DHW heating : heat pump is heating DHW
•rebooting : heat pump is blocked by min. time between 2 comperssor stars
•heating : heat pump is heating your home
•RC blocking : heat pump is blocked by Ripple control
•vol.flow control : heat pump’s circulation pump is running
•ready : heat pump is ready to start heating your home as soon as there is
call for heat
Display of auxiliary source and thermal store:
1 – state of auxiliary source: heat / no heat / none
2 – current thermal store temperature (desired)
3 – Ripple c. signal: on / off
Display of auxiliary source connected via OpenTherm interface:
1 – desired temperature
2 – real flow temp. of OT heat source
3 – state of communication with OT heat source: OK / error
1
2
3
1
2
3

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Display with firmware version and release date:
Controller in factory settings:
If the display shows the warning (above), then the Controller has been reset to factory setting
after alarm mode, and service staff shall be called in to set the respective Controller
parameters.
Menu:
While in MENU, use arrow keys , to select user or service menu, or dispaying additional
modules.
Add. Modules – this item will make available basic information on additional modules (if
present).
User Menu is intended to set zones, time schedules, OTC curve and date/time.
Service Menu is intended for more detailed adjustments to zones, sources, solar thermal
system and other parameters..
Access to the Service Menu is password protected and parameter adjustments are not
intended for laymen!
Recirculation is intended to set immediate DHW recirculation (circulation period). After the
set recirculation time expires, the function will be turned off automatically.

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2. User menu
User menu is comprised of: - Zone 1
-Time program (time programs, holiday
program)
-OTC curves
-HP (heat pump)
-HP errors (error log)
-DHW (DHW heating by heat pump)
-ThSt (thermal store charging)
-DHW recirculation
-Statistics (heat pump statistics)
-Operating data (temperatures and outputs
conditions)
-Others (Controller website username and
password reset)
-Time and date (time and date)
The keys , enable browsing, and the selected item can be entered by pressing OK.
User menu:
2.1 Zones – user settings
In this Menu, a user can adjust these parameters:
T comfort - setting comfort temperature in zone. This parameter makes sense only
when a room sensor is used.
T setback - setting setback temperature in zone. This parameter makes sense only
when a room sensor is used.
Note: During a day, the controller switches the desired zone temperatures between T day
and T night by the preset time schedule..
zone on - Switching on Zone on the User level. When zone is switched off on this
level, the circulation pump and valve outlets will be switched off. The
pump and valve outlets can be activated by frost protection, if active.

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Summer/winter mode state
- Switching on/off the function for automatic transition between summer
and winter modes. Summer/Winter mode is intended to turn off zone
heating when the outdoor temperature exceeds the preset threshold
summer temperature, and vice versa, to turn on zone heating when the
outdoor temperature stays below the preset threshold winter
temperature.
summer temp (°C) - If the outdoor temperature keeps above this value for the time set in
parameter summer time, the Controller will switch to summer mode.
summer time (h) - see summer temp.
winter temp (°C) - If the outdoor temperature keeps below this value for the time set in
parameter winter time, the Controller will switch to winter mode.
winter time (h) - see winter temp.
2.2 Time programs – user settings
Time programs can be set either for separate days, or in blocks Mo-Fr and Sa-Su.
When the program is being set for separate days, there are 2 transitions from Comfort to
Setback and 2 from Setback to Comfort for each day.
When the program is being set in blocks, there are similarly 2 transitions from Comfort to
Setback and 2 from Setback to Comfort for the blocks Mo-Fr and Sa-Su. Answering YES to
the question Copy program? will rewrite the respective time program blocks.
If program copying is not desired, let the question be with no and leave the menu by pressing
C.
Holiday mode – specific temperatures in zones can be set for the holiday period.
2.3 OTC curve – user settings
The controller works with a linear characteristics between separate points of the curve showing
how heating water temperature depends on the outdoor temperature. The real OTC curve is

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entered into the controller using a 4-point polyline (see Fig.) with points E1; I1 to E4; I4 (cf. the
display picture).
OTC points settings
Point I1 represents the highest temperature that can be calculated by the controller, while point
I4 represents the lowest temperature that can be calculated..
2.4 Heat pump control
A heat pump (or entire cascade if used) can be switched off by the user.
1 – HP cascade on / off (applies to all heat pumps).
2 – single HP on / off
Even when just one heat pump is used, HP cascade shall be on.
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