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Installation manual
1
EKUHWBB + EKUHW2WB + EKHWSU150-300B3V3
Domestic hot water tank with option kit for air to water heat pump
system
4P344370-1 – 2013.03
Contents Page
Introduction ....................................................................................... 1
General information.................................................................................. 1
Scope of this manual................................................................................ 1
Model identification .................................................................................. 1
Accessories....................................................................................... 1
Accessories supplied with the EKHWSU domestic hot water tank .......... 1
Accessories supplied with the EKUHWBB option kit for the
domestic hot water tank ........................................................................... 2
Accessories supplied with the EKUHW2WB option kit for the
domestic hot water tank when the EKSOLHWAV1 option kit is
installed .................................................................................................... 2
Optional equipment .................................................................................. 2
Installation of the EKHWSU domestic hot water tank ....................... 2
Main components..................................................................................... 3
Outlook diagram....................................................................................... 4
Installation guidelines............................................................................... 4
Installing the domestic hot water tank ...................................................... 4
Connecting the water circuits ................................................................... 4
Field wiring ............................................................................................... 6
Installation of the option kit on the domestic hot water tank.............. 9
Piping requirements ................................................................................. 9
Installation procedure of the option kit.................................................... 10
Commissioning................................................................................ 10
Filling up................................................................................................. 10
Draining .................................................................................................. 10
Maintenance.....................................................................................11
Troubleshooting................................................................................11
General guidelines ..................................................................................11
General symptoms ..................................................................................11
Technical specifications................................................................... 12
Domestic hot water tank specifications .................................................. 12
Pressure reducing valve specifications .................................................. 13
Field wiring diagram ............................................................................... 13
Introduction
General information
Thank you for purchasing this Daikin Altherma EKHWSU domestic
hot water tank.
The Daikin Altherma domestic hot water tank must be installed by a
competent person and be installed in compliance with instructions as
of subject in this manual, all current legislation, codes of practice and
regulations governing the installation of unvented hot water cylinders
in force at the date of installation.
This installation is subject to building regulation approval,
notify Local Authority of intention to install.
The domestic hot water tank is to be connected to the Daikin
Altherma unit.
The EKHWSU domestic hot water tank with integrated 3 kW
electrical booster heater is available in three types: 150, 200 and 300.
All models can be floor mounted, while the 150 type model can be
wall mounted as well via option kit EKWBSWW150.
Scope of this manual
This installation manual describes the procedures for installing and
connecting the EKHWSU domestic hot water tanks with the
EKUHWBB option kit and with the EKUHW2WB option kit in case the
EKSOLHWAV1 option kit is to be installed as well.
Model identification
Domestic hot water tank
Accessories
Accessories supplied with the EKHWSU domestic hot
water tank
1 Thermistor + connection wire (12 m)
2 Contactor - fuse assembly
3 Contactor fixing screw
4 Tapping screw
5 3-way valve + motor
6 Installation manual
EKHWSU150B3V3 EKUHWBB
EKHWSU200B3V3
EKHWSU300B3V3 EKUHW2WB
Domestic hot water tank with option kit 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.
PLEASE LEAVE THIS MANUAL WITH THE EKHWSU
DOMESTIC HOT WATER TANK AFTER INSTALLATION.
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.
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 0°C~35°C.
EK HWS U 150 B 3 V3
Booster heater voltage
V3=1P, 230 V
Capacity booster heater: 3 kW
Series
Indication of storage capacity in litres
Special version for United Kingdom only
Standard version when no letter is mentioned
Hot Water stainless Steel tank
European Kit
1x 2x 1x1x
1x
4x
1356
2
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