Daikin EKHTS-AC User manual
INSTALLATION MANUAL
Domestic hot water tank for air to
water heat pump system
EKHTS260AC6W1
1
2
4
1
2
5 454
66
+
6
33
+
1
2 3
1x 1x
+
+
340 mm
1x
+
+
+
B
++
A
C
++
1x
1x
12 534
>250
>250
>6
00
>1200
6
6
7
2
1
3
5
1
2
4
772
902
1032
2285
120
Ø60
778
2437
2230
694
443
600
300
A
1
2
3
4
EKHTS260AC6W1
Domestic hot water tank
for air to water heat pump system
Installation manual
CONTENTS Page
Introduction........................................................................................ 1
General information.....................................................................1
Scope of this manual...................................................................1
Model identification .....................................................................1
Accessories .......................................................................................1
Accessories supplied with the domestic hot water tank .............1
Optional equipment..................................................................... 1
Overview of the unit........................................................................... 2
Position of flexibles...................................................................... 2
Main components........................................................................2
Safety devices.............................................................................3
Outlook diagram..........................................................................3
Installation of the EKHTS domestic hot water tank ...........................3
Installation guidelines..................................................................3
Installing and commissioning the domestic hot water tank .........4
Maintenance...................................................................................... 7
Descaling ....................................................................................7
Draining.......................................................................................8
Troubleshooting .................................................................................8
General guidelines ......................................................................8
General symptoms ...................................................................... 8
Disposal requirements....................................................................... 8
Technical specifications.....................................................................8
Domestic hot water tank specifications ....................................... 8
READ THESE INSTRUCTIONS CAREFULLY BEFORE
INSTALLATION. KEEP THIS MANUAL IN A HANDY
PLACE FOR FUTURE REFERENCE.
PLEASE LEAVE THIS MANUAL WITH THE EKHTS
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 5°C~30°C.
INTRODUCTION
General information
Thank you for purchasing this domestic hot water tank.
The domestic hot water tank must be installed by a licensed
technician 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.
The EKHTS domestic hot water tank can be connected to EKHBRD*
units. The domestic hot water tank is available in one size:
approximately 260 litre. The domestic hot water tank can be mounted
on top of the indoor unit. For installation of the domestic hot water
tank on the floor next to the indoor unit, the dedicated EKFMAHTB
connection kit is required.
In case of EKHBRD*AA* units, the kit EKMKHT1 is required.
Scope of this manual
This installation manual describes the procedures for installing and
connecting the EKHTS domestic hot water tank.
Model identification
Domestic hot water tank
EK HTS 260 AC 6 W1
Power supply (3~, 400 V, 50 Hz)
Power of heater
Series
Identification of type
Hot water Tank Stainless steel
European Kit
ACCESSORIES
Accessories supplied with the domestic hot water tank
See figure 1.
1 Clamp
2 Knock-out hole assembly (grommet + tie-wraps + screws)
3 Installation manual
4 Unpacking instruction sheet
5 3-way valve assembly (body + motor + clamps) + T-piece
The English text is the original instruction. Other languages are
translations of the original instructions.
EKHTS260AC6W1
Domestic hot water tank for air to water heat pump system
4PW73828-1 – 2012.05
Optional equipment
■ EKFMAHTB
Connection kit for installation of the domestic hot water tank on
the floor next to the indoor unit.
Refer to the installation manual of the kit for more details.
■ EKMKHT1
In case the EKHTS*AC domestic hot water tank is to be installed
on top of an EKHBRD*AA* series indoor unit, the additional
EKMKHT1 kit is required.
Refer to the instruction sheet of the kit for more details.
Installation manual
1
OVERVIEW OF THE UNIT
A
K
G
J
F
E
M
N
G
C
D
J
L
B
A
K
P
H
E
The total system (indoor unit and outdoor unit) is designed
for combination with a Daikin domestic hot water tank. In
case another tank is being used in combination with the
Daikin indoor unit, Daikin cannot guarantee neither good
operation nor reliability of the system. For those reasons
Daikin cannot give warranty of the system in such case.
Position of flexibles (Factory mounted)
Main components
A Hot water from the tank (G 3/4" Female)
B T-piece (field supply)
C Pressure relief valve connection (field supply)
D Pressure relief valve (field supply)
E Anode
F Thermistor socket
G Hot water from the indoor unit to the tank coil (quick coupling 90°)
H Heat exchanger coil
J Return water from the tank coil to the indoor unit (quick coupling)
K Cold water to the tank (G 3/4" Female)
L Thermistor
M electric heater
N Casing
P Knock-out holes for water piping
Water flow direction
Installation manual
2
Domestic hot water tank for air to water heat pump system
EKHTS260AC6W1
4PW73828-1 – 2012.05
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