Installation manual
1
RKHBRD011~Y1
Indoor unit for air to water heat pump system
4PW61218-1C – 2012.06
C
ONTENTS
Page
Introduction ..................................................................................... 1
General information .................................................................... 1
Scope of this manual .................................................................. 2
Model identification ..................................................................... 2
Typical application examples ...................................................... 2
Application examples with only 1 heat emitter
and 1 heat source (RKHBRD unit) ..................................................... 2
Application examples with 2 or more different heat emitters
and 1 heat source (RKHBRD unit) ..................................................... 4
Application examples with 2 different heat sources
(auxiliary RKHBRD unit) ........................................................ 5
Design of the hydraulic system ................................................... 6
Accessories ..................................................................................... 7
Accessories supplied with this unit ............................................. 7
Overview of the indoor unit............................................................ 7
Main components ....................................................................... 7
Switch box main components ..................................................... 8
Functional diagram ..................................................................... 8
Installation of the indoor unit......................................................... 9
Selecting an installation location................................................. 9
Dimensions and service space ................................................... 9
Inspecting and handling the unit ................................................. 9
Installing the indoor unit .............................................................. 9
Piping connection work................................................................ 12
Refrigerant piping work............................................................. 12
Guidelines for flare connection ......................................................... 12
Water piping work ..................................................................... 12
Checking the water circuit ................................................................ 12
Checking the water volume and expansion vessel pre-pressure ..... 13
Setting the pre-pressure of the expansion vessel ............................ 14
Connecting the water circuit ............................................................. 14
Precautions when connecting field piping and
regarding insulation .................................................................. 14
Charging water .............................................................................. 14
Method for adding water ........................................................... 14
Electrical wiring work ................................................................... 15
Precautions on electrical wiring work........................................ 15
Internal wiring - Parts table ....................................................... 15
System overview of field wiring................................................. 16
Connection of the indoor unit power supply and
communication cable(s).................................................................... 16
Installation of the remote controller .................................................. 17
Connection to a benefit kWh rate power supply ............................... 17
Start-up and configuration ........................................................... 19
Pre-operation checks ................................................................ 19
Field settings............................................................................. 19
Procedure ......................................................................................... 20
Detailed description.......................................................................... 20
Simultaneous demand of space heating and
domestic water heating .................................................................... 26
Multiple set point control................................................................... 29
Field settings table............................................................................ 32
Final check and test run ............................................................... 34
Final check................................................................................ 34
Test run ..................................................................................... 34
Temperature read-out mode ............................................................. 34
Procedure for space heating ............................................................ 34
Procedure for domestic water heating.............................................. 34
Maintenance and service.............................................................. 35
Maintenance activities .............................................................. 35
Troubleshooting ............................................................................ 35
General guidelines .................................................................... 35
Opening the unit ....................................................................... 36
General symptoms.................................................................... 36
Error codes ............................................................................... 37
Unit specifications ........................................................................ 38
Technical specifications ............................................................ 38
Electrical specifications............................................................. 38
Annex ............................................................................................. 39
The English text is the original instruction. Other languages are
translations of the original instructions.
I
NTRODUCTION
General information
Thank you for purchasing this unit.
The unit is the indoor part of the air to water RRRQ heat pump. The
unit is designed for floor standing indoor installation and used for
heating applications. The unit can be combined with space heating
radiators (field supply) and with an RKHTS domestic hot water tank
(option).
A remote controller with room thermostat functionality is standard
supplied with this unit to control your installation.
Domestic hot water tank (option)
An optional RKHTS domestic hot water tank can be connected to the
indoor unit. The domestic hot water tank is available in two different
water capacities: 200 and 260 litre.
Refer to the domestic hot water tank installation manual for further
details.
RKHBRD011ABV1
RKHBRD011ABY1
RKHBRD014ABV1
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RKHBRD016ABV1
RKHBRD016ABY1
Indoor unit for air to water heat pump system
Installation manual
READ THESE INSTRUCTIONS CAREFULLY BEFORE
INSTALLATION. KEEP THIS MANUAL IN A HANDY
PLACE FOR FUTURE REFERENCE.
IMPROPER INSTALLATION OR ATTACHMENT OF
EQUIPMENT OR ACCESSORIES COULD RESULT IN
ELECTRIC SHOCK, SHORT-CIRCUIT, LEAKS, FIRE OR
OTHER DAMAGE TO THE EQUIPMENT. BE SURE ONLY
TO USE ACCESSORIES, OPTIONAL EQUIPMENT, AND
SPARE PARTS MADE BY ROTEX WHICH ARE
SPECIFICALLY DESIGNED FOR USE WITH THE
EQUIPMENT AND HAVE THEM INSTALLED BY A
PROFESSIONAL.
ALL ACTIVITIES DESCRIBED IN THIS MANUAL SHALL
BE CARRIED OUT BY A LICENSED TECHNICIAN.
BE SURE TO WEAR ADEQUATE PERSONEL PROTEC-
TION EQUIPMENT (PROTECTION GLOVES, SAFETY
GLASSES, ...) WHEN PERFORMING INSTALLATION,
MAINTENANCE OR SERVICE TO THE UNIT.
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 5°C~30°C.
NOTE
An RKHBRD indoor unit can only be connected to an
RRRQ outdoor unit.
Содержание RKHBRD011ABV1
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