background image

Table of contents

Operation manual

2

RHBH/X04~16CB

ROTEX HPSU low temperature Bi‑bloc

4P384967-1B – 2017.04

Table of contents

1 About this document

2

2 About the system

2

2.1

Components in a typical system layout .....................................

2

3 Operation

3

3.1

Overview: Operation..................................................................

3

3.2

The user interface at a glance...................................................

3

3.2.1

Buttons........................................................................

3

3.2.2

Status icons ................................................................

3

3.3

Space heating/cooling control ...................................................

4

3.3.1

Setting the space operation mode ..............................

4

3.3.2

Room thermostat control - Using the room
temperature home page..............................................

4

3.3.3

Room thermostat control - Using the leaving water
temperature home pages............................................

5

3.4

Domestic hot water control ........................................................

5

3.4.1

Reheat mode ..............................................................

5

3.4.2

Scheduled mode .........................................................

5

3.4.3

Sch reheat mode...........................................

5

3.4.4

Using the DHW tank temperature home page ............

5

3.4.5

Using the DHW tank booster mode ............................

5

3.5

Advanced usage........................................................................

6

3.5.1

About changing the user permission level ..................

6

3.6

Schedules: Example..................................................................

6

3.7

Menu structure: Overview user settings ....................................

7

3.8

Installer settings: Tables to be filled in by installer ....................

8

3.8.1

Quick wizard ...............................................................

8

3.8.2

Space heating/cooling control.....................................

8

3.8.3

Domestic hot water control [A.4] .................................

8

3.8.4

Contact/helpdesk number [6.3.2] ................................

8

4 Energy saving tips

8

5 Maintenance and service

9

5.1

Overview: Maintenance and service .........................................

9

5.2

To find the contact/helpdesk number ........................................

9

6 Troubleshooting

9

6.1

Symptom: You are feeling too cold (hot) in your living room.....

9

6.2

Symptom: The water at the tap is too cold ................................

9

6.3

Symptom: Heat pump failure .....................................................

9

7 Disposal

10

8 Glossary

10

1

About this document

Thank you for purchasing this product. Please:

▪ Read  the  documentation  carefully  before  operating  the  user

interface to ensure the best possible performance.

▪ Request the installer to inform you about the settings that he 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 the indoor unit)

Operation manual:

▪ Quick guide for basic usage

▪ Format: Paper (in the box of the indoor unit)

User reference guide:

▪ Detailed  step-by-step  instructions  and  background  information

for basic and advanced usage

▪ Format: Digital files on the ROTEX website.

Latest revisions of the supplied documentation may be available on
the regional ROTEX website or via your installer.

The original documentation is written in English. All other languages
are translations.

Available screens

Depending on your system layout and installer configuration, not all
screens in this document may be available on your user interface.

Breadcrumbs

1

20.0°C >
18.0°C >
22.0°C >
24.0°C >

7.4.1.1

Room temperature

Comfort (heating)
Eco (heating)
Comfort (cooling)
Eco (cooling)

Select

Scroll

Breadcrumbs help you to locate where you are in the menu structure
of  the  user  interface.  This  document  also  mentions  these
breadcrumbs.

Example: 

Go  to  [7.4.1.1]: 

  >  User  settings  >  Preset  values  >

Room temperature > Comfort (heating)

2

About the system

Depending on the system layout, the system can:

▪ Heat up a space

▪ Cool  down  a  space  (if  a  heating/cooling  heat  pump  model  is

installed)

▪ Produce domestic hot water (if a DHW tank is installed)

2.1

Components in a typical system
layout

d

a

b

c

e

f

g

B

C

A

A

Main zone. 

Example: 

Living room.

B

Additional zone. 

Example: 

Bedroom.

C

Technical room. 

Example: 

Garage.

a

Outdoor unit heat pump

b

Indoor unit heat pump

c

Domestic hot water (DHW) tank

d

User interface at the indoor unit

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 ...

Reviews: