Rotex RKHBH008BB3V3 User Manual

Installation manual
1
RKHBH/X008BB
Indoor unit for air to water heat pump system
4PW62574-1 – 10.2010
CONTENTS Page
1. Definitions.................................................................................. 2
1.1. Meaning of warnings and symbols................................................. 2
1.2. Meaning of used terms .................................................................. 2
2. General safety precautions........................................................ 2
3. Introduction................................................................................ 3
3.1. General information........................................................................ 3
3.2. Scope of this manual ..................................................................... 4
3.3. Model identification ........................................................................ 4
3.4. Typical application examples.......................................................... 4
Application 1 .................................................................................. 4
Application 2 .................................................................................. 5
Application 3 .................................................................................. 6
Application 4 .................................................................................. 6
Application 5 .................................................................................. 7
Application 6 .................................................................................. 9
4. Accessories ............................................................................... 9
4.1. Accessories supplied with the indoor unit ...................................... 9
5. Overview of the indoor unit...................................................... 10
5.1. Opening the indoor unit................................................................ 10
5.2. Main components......................................................................... 10
5.3. Switch box main components ...................................................... 11
5.4. Functional diagram....................................................................... 12
6. Installation of the indoor unit.................................................... 12
6.1. Selecting an installation location.................................................. 12
6.2. Dimensions and service space .................................................... 13
6.3. Inspecting, handling and unpacking the unit................................ 13
6.4. Mounting the indoor unit .............................................................. 14
6.5. Installation of the EKHBDP drain pan kit (only for
RKHBX models)........................................................................... 14
6.6. Refrigerant pipework.................................................................... 14
6.7. Water pipework ............................................................................ 14
Checking the water circuit............................................................ 14
6.8. General precautions concerning water circuit.............................. 15
Checking the water volume and expansion vessel
pre-pressure................................................................................. 16
Setting the pre-pressure of the expansion vessel ........................ 17
Connecting the water circuit......................................................... 17
6.9. Charging water............................................................................. 17
6.10. Piping insulation........................................................................... 17
7. Electrical wiring work............................................................... 17
7.1. Precautions on electrical wiring work........................................... 17
7.2. Internal wiring - Parts table .......................................................... 18
7.3. System overview of field wiring.................................................... 18
Field wiring guidelines.................................................................. 19
Connection of the indoor unit power supply and
communication cable ................................................................... 19
Connection of the backup heater power supply ........................... 20
Connection of the thermostat cable ............................................. 20
Connection of the valve control cables......................................... 21
Connection of the bottom plate heater......................................... 21
Connection to a benefit kWh rate power supply........................... 21
7.4. Relocation of the digital controller................................................ 22
Wiring specifications .................................................................... 22
Mounting ...................................................................................... 22
8. Start-up and configuration....................................................... 23
8.1. DIP switch settings overview........................................................ 23
8.2. Room thermostat installation configuration.................................. 23
8.3. Pump operation configuration ...................................................... 24
8.4. Domestic hot water tank installation configuration....................... 24
8.5. Initial start-up at low outdoor ambient temperatures.................... 25
8.6. Pre-operation checks ................................................................... 25
Checks before initial start-up........................................................ 25
8.7. Powering up the indoor unit ......................................................... 25
8.8. Setting the pump speed ............................................................... 26
8.9. Field settings................................................................................ 26
Procedure .................................................................................... 26
Detailed description ..................................................................... 26
8.10. Field settings table ....................................................................... 38
9. Test run and final check ...........................................................42
9.1. Final check................................................................................... 42
9.2. Test run operation (manual) ......................................................... 42
Procedure .................................................................................... 42
9.3. Underfloor heating screed dry-out program ................................. 42
Disclaimer .................................................................................... 42
Field settings................................................................................ 42
Getting started ............................................................................. 43
10. Maintenance and service.........................................................44
10.1. Maintenance activities.................................................................. 44
Cautions before obtaining maintenance and service ................... 44
Opening the unit........................................................................... 44
Maintenance and service ............................................................. 44
11. Troubleshooting........................................................................45
11.1. General guidelines ....................................................................... 45
11.2. General symptoms....................................................................... 45
11.3. Error codes .................................................................................. 47
12. Technical specifications ...........................................................49
12.1. General ........................................................................................ 49
12.2. Electrical specifications................................................................ 49
The original instructions are written in English. All other languages
are translations of the original instructions.
RKHBH008BB***
RKHBX008BB***
Indoor unit for air to water heat pump system
Installation manual
CAREFULLY READ THESE INSTRUCTIONS BEFORE
INSTALLATION. THEY WILL TELL YOU HOW TO INSTALL
AND HOW TO CONFIGURE THE UNIT PROPERLY.
KEEP THIS MANUAL IN A HANDY PLACE FOR FUTURE
REFERENCE.
THE UNIT DESCRIBED IN THIS MANUAL IS DESIGNED
FOR INDOOR INSTALLATION ONLY AND FOR AMBIENT
TEMPERATURES RANGING 4°C~35°C.

Rotex RKHBH008BB3V3 Specifications

General

Brand	Rotex
Model	RKHBH008BB3V3
Category	Heat Pump
Language	English