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3 Operation

Operation manual

4

RHBH/X04~16CB

ROTEX HPSU low temperature Bi‑bloc

4P384967-1B – 2017.04

Icon

Description

An external heat source is active. 

Example: 

Gas

burner.

The disinfection mode is active.

A malfunction occurred. Press 

 to display more

information about the malfunction.

Weather-dependent mode is active.

User permission level = Installer.

Defrost/oil return mode is active.

Hot start mode is active.

Emergency operation is active.

3.3

Space heating/cooling control

3.3.1

Setting the space operation mode

About space operation modes

Depending  on  your  heat  pump  model,  you  have  to  tell  the  system
which space operation mode to use: heating or cooling.

If a… heat pump model

is installed

Then…

Heating/cooling

The system can heat up and cool down a
space. You have to tell the system which
space operation mode to use.

Heating only

The system can heat up a space, but
NOT cool down a space. You do NOT
have to tell the system which space
operation mode to use.

To  tell  the  system  which  space  operation  to  use,  you  can  do  the
following:

You can…

Location

Check

 which space operation mode is

currently used

.

Home pages:

▪ Room temperature

▪ Leaving 

water

temperature  (main
+ additional)

Set

 the space operation 

mode

.

Menu structure

Restrict

 when 

automatic changeover

 is

possible.

To set the space operation mode

1

Go to [4]: 

 > Operation mode.

2

Select one of the following options and press 

:

If you select…

Then the space operation mode is…

Heating

Always heating mode.

Cooling

Always cooling mode.

Automatic

Automatically changed by the software
based on the outdoor temperature
(and depending on installer settings
also the indoor temperature), and
taking monthly restrictions into
account.

Note: 

Automatic changeover is only

possible under certain conditions.

To restrict automatic changeover operation mode

Prerequisite: 

You  switched  the  permission  level  to  Advanced  end

user.

Prerequisite: 

You switched the space operation mode to automatic.

1

Go to [7.5]: 

 > User settings > Allowed operation mode.

2

Select a month and press 

.

3

Select Heating only, Cooling only or Heating/Cooling, and press

.

3.3.2

Room thermostat control - Using the
room temperature home page

Typical room temperature home pages

Depending on the user profile, the user interface gives you either a
basic  or  a  detailed  home  page.  To  set  the  user  profile,  refer  to
Configuring  user  profile  and  home  pages  in  the  user  reference
guide.

User profile = Basic

User profile = Detailed

15:20

20.0°C

Mon

Room

Actual temperature

15:20

20.0°C

17:30

Actual temperature

Room

Scheduled

Mon

Tue

To read out the actual and desired room
temperature

1

Go to the room temperature home page (Room).

Result: 

You  can  read  out  the  actual  temperature.

20.0°C

Actual temperature

2

Press 

.

Result: 

You  can  read  out  the  desired  temperature.

22.0°C

Desired temperature

To temporarily overrule the room temperature
schedule

1

Go to the room temperature home page (Room).

2

Use 

 or 

 to adjust the temperature.

To change the mode from scheduled to preset
value

Prerequisite: 

User profile = Detailed.

1

Go to the room temperature home page (Room).

2

Press 

 or 

 to select a preset value (  or  ).

Result: 

The mode will return to Scheduled according to the overrule

period.

To set the overrule period

Prerequisite: 

You  switched  the  permission  level  to  Advanced  end

user.

1

Go to [7.2]: 

 > User settings > Temperature lock.

2

Select a value and press 

:

▪ Permanent
▪ hours (2, 4, 6, 8)

Summary of Contents for RHBH04CB

Page 1: ...Operation manual ROTEX HPSU low temperature Bi bloc English Operation manual ROTEX HPSU low temperature Bi bloc RHBH04CB RHBH08CB RHBH11CB RHBH16CB RHBX04CB RHBX08CB RHBX11CB RHBX16CB ...

Page 2: ... used to configure your system Check if he has filled in the installer settings tables If not request him to do so Keep the documentation for future reference Target audience End users Documentation set This document is part of a documentation set The complete set consists of General safety precautions Safety instructions that you must read before operating your system Format Paper in the box of t...

Page 3: ...are programming a schedule in the menu structure e NAVIGATING CHANGING SETTINGS Navigates the cursor on the display Navigates through the menu structure Changes settings Selects a mode f OK Confirms a selection Enters a submenu in the menu structure Switches between displaying actual and desired values or between displaying actual and offset values if applicable on the home pages Goes to the next ...

Page 4: ...pending on installer settings also the indoor temperature and taking monthly restrictions into account Note Automatic changeover is only possible under certain conditions To restrict automatic changeover operation mode Prerequisite You switched the permission level to Advanced end user Prerequisite You switched the space operation mode to automatic 1 Go to 7 5 User settings Allowed operation mode ...

Page 5: ... 60 C 00 00 07 00 50 C 15 C 40 C 14 00 21 00 1 2 3 4 5 Tt Tt DHW tank temperature t Time 3 4 3 Scheduled reheat mode In scheduled reheat mode the domestic hot water control is the same as in scheduled mode However when the DHW tank temperature drops below a preset value reheat tank temperature hysteresis value example 35 C the DHW tank heats up until it reaches the reheat set point example 45 C Th...

Page 6: ...hedules Room temp Set heating schedule 2 Select Empty and press 3 Program the schedule for Monday See below for more details 4 Copy from Monday to Tuesday Wednesday Thursday and Friday See below for more details 5 Program the schedule for Saturday 6 Copy from Saturday to Sunday 7 Save the schedule and give it a name See below for more details To program the schedule for Monday 1 Use and to select ...

Page 7: ... metering Consumed elec Produced energy Error information Error history Contact helpdesk number Version User interface Indoor unit Outdoor unit User settings Display Temperature lock Set schedules Preset values Allowed operation mode Unit of measurement Display Contrast Backlit LCD time User profile Available home pages Set schedules Room temp LWT main LWT additional DHW temp Booster heater permis...

Page 8: ...and long space heating cooling interruption will happen when selecting 6 0D 0 A 4 1 Domestic hot water Type Reheat only in case of a domestic hot water tank without an internal booster heater INFORMATION When the DHW tank booster mode is active the risk of space heating cooling and capacity shortage comfort problems is significant In case of frequent domestic hot water operation frequent and long ...

Page 9: ...he contact helpdesk number Prerequisite You switched the permission level to Advanced end user 1 Go to 6 3 2 Information Error handling Contact helpdesk number 6 Troubleshooting 6 1 Symptom You are feeling too cold hot in your living room Possible cause Corrective action The desired room temperature is too low high Increase decrease the desired room temperature If the problem recurs daily do one o...

Page 10: ...e occurs the domestic hot water and space heating operations will stop and need to be recovered manually The user interface will then ask you to confirm whether the backup heater or booster heater can take over the heat load or not When the heat pump fails will appear on the user interface Possible cause Corrective action Heat pump is damaged Press to view a description of the problem Press again ...

Page 11: ......

Page 12: ...land Our partners abroad Unsere Partner im Ausland Nos partenaires à l étranger Le nostre sedi all estero Neustros representantes en el extranjero Nasi partnerzy za granicą Naši partneři v zahraničí http de rotex heating com ueber rotex international 4P384967 1B 2017 04 ROTEX Subject to change and correction ...

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