Installation manual
1
EKHBRD011~Y1
Indoor unit for air to water heat pump system
4PW60970-1B
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 (EKHBRD unit) ..................................................... 2
Application examples with 2 or more different heat emitters
and 1 heat source (EKHBRD unit) ..................................................... 4
Application examples with 2 different heat sources
(auxiliary EKHBRD 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
Piping connection work................................................................ 11
Refrigerant piping work............................................................. 11
Guidelines for flare connection ......................................................... 12
Water piping work ..................................................................... 12
Checking the water circuit ................................................................ 12
Checking the water volume and expansion vessel pre-pressure ..... 12
Setting the pre-pressure of the expansion vessel ............................ 13
Connecting the water circuit ............................................................. 13
Charging water .............................................................................. 14
Method for adding water ........................................................... 14
Electrical wiring work ................................................................... 14
Precautions on electrical wiring work........................................ 14
Internal wiring - Parts table ....................................................... 15
System overview of field wiring................................................. 15
Connection of the indoor unit power supply and
communication cable(s).................................................................... 16
Installation of the remote controller .................................................. 16
Connection to a benefit kWh rate power supply ............................... 17
Start-up and configuration ........................................................... 18
Pre-operation checks ................................................................ 18
Field settings............................................................................. 19
Procedure ......................................................................................... 19
Detailed description.......................................................................... 20
Simultaneous demand of space heating and
domestic water heating .................................................................... 25
Multiple set point control................................................................... 28
Field settings table............................................................................ 31
Final check and test run ............................................................... 33
Maintenance and service.............................................................. 34
Maintenance activities .............................................................. 34
Troubleshooting ............................................................................ 34
General guidelines .................................................................... 34
Opening the unit ....................................................................... 35
General symptoms.................................................................... 35
Error codes ............................................................................... 36
Unit specifications ........................................................................ 37
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 ERSQ or ERRQ 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 EKHTS* 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 EKHTS* or EKHWP* domestic hot water tank can be
connected to the indoor unit. The EKHTS* domestic hot water tank is
available in two different water capacities: 200 and 260 litre, the
EKHWP* domestic hot water tank is available in two different water
capacities: 300 and 500 litre.
Refer to the domestic hot water tank installation manual for further
details.
Remote controller (option)
An optional secondary EKRUAHTA remote controller (with room
thermostat functionality) can be connected to the indoor unit.
Purpose is to provide the possibility to install the standard remote
controller near the unit (for service reasons), and install another
remote controller in another place (e.g. living room) to operate your
installation.
Refer to the
"Installation of the remote controller" on page 16
further details.
EKHBRD011ABV1
EKHBRD011ABY1
EKHBRD014ABV1
EKHBRD014ABY1
EKHBRD016ABV1
EKHBRD016ABY1
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 MADE BY DAIKIN 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 DAIKIN 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 EKHBRD indoor unit can only be connected to an
ERSQ or ERRQ outdoor unit.
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Summary of Contents for EKHBRD011ABV1
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