RKHBH008AA***
RKHBX008AA***
C
ONTENTS
Introduction........................................................................................ 1
General information ................................................................................... 1
Scope of this manual ................................................................................. 2
Model identification .................................................................................... 2
Accessories ....................................................................................... 2
Application 1 .............................................................................................. 3
Application 2 .............................................................................................. 3
Application 3 .............................................................................................. 4
Application 4 .............................................................................................. 4
Main components....................................................................................... 6
Functional diagram .................................................................................... 7
Refrigerant pipework.................................................................................. 9
Water pipework .......................................................................................... 9
Charging water......................................................................................... 11
Piping insulation....................................................................................... 11
Field wiring............................................................................................... 11
Pre-operation checks ............................................................................... 17
Field settings............................................................................................ 17
Field settings table ................................................................................... 23
Automatic test run .................................................................................... 25
Final check............................................................................................... 25
Maintenance .................................................................................... 25
Troubleshooting ............................................................................... 26
General guidelines ................................................................................... 26
General symptoms................................................................................... 26
Error codes .............................................................................................. 27
General .................................................................................................... 29
RKHBH/X008AA
Indoor unit for air to water heat pump system
4PW50203-1A
Indoor unit for air to water heat pump system
Page
I
NTRODUCTION
General information
Thank you for purchasing this Rotex indoor unit.
The Rotex indoor unit is the indoor part of the reversible air to water
Rotex RRHQ heat pumps.These units are designed for wall mounted
indoor installation and used for both heating and cooling applications.
The units can be combined with Rotex fan coil units, floor heating
applications, low temperature radiators and domestic water heating
applications.
Heating/cooling units and heating only units
The Rotex indoor unit range consists of two main versions: a
heating/cooling (RKHBX) version and a heating only (RKHBH)
version.
Both versions are delivered with an integrated backup heater for
additional heating capacity during cold outdoor temperatures. The
backup heater also serves as a backup in case of malfunctioning of
the outdoor unit. The models are available with a backup heater
capacity of 3, 6 and 9 kW, and - depending on the heating capacity -
for two different power supply specifications.
Indoor unit model
RKHB*008AA3V3
RKHB*008AA6V3
RKHB*008AA6WN
RKHB*008AA9WN
NOTE
Installation manual
READ THESE INSTRUCTIONS CAREFULLY BEFORE
INSTALLATION. KEEP THIS MANUAL IN A HANDY
PLACE FOR FUTURE REFERENCE.
IMPROPER
INSTALLATION
EQUIPMENT OR ACCESSORIES COULD RESULT IN
ELECTRIC SHOCK, SHORT-CIRCUIT, LEAKS, FIRE OR
OTHER DAMAGE TO THE EQUIPMENT. BE SURE ONLY
TO USE ACCESSORIES MADE BY ROTEX WHICH ARE
SPECIFICALLY DESIGNED FOR USE WITH THE
EQUIPMENT AND HAVE THEM INSTALLED BY A
PROFESSIONAL.
IF UNSURE OF INSTALLATION PROCEDURES OR USE,
ALWAYS CONTACT YOUR ROTEX DEALER FOR
ADVICE AND INFORMATION.
THE UNIT DESCRIBED IN THIS MANUAL IS DESIGNED
FOR INDOOR INSTALLATION ONLY AND FOR AMBIENT
TEMPERATURES RANGING 0°C~35°C.
Backup heater capacity
3 kW
6 kW
6 kW
9 kW
An RKHBH/X008AA indoor unit can only be connected
to an outdoor RRHQ00*AD-series.
OR
ATTACHMENT
OF
Backup heater
nominal voltage
1x 230 V
1x 230 V
3x 400 V
3x 400 V
Installation manual
1