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 PROTECTION 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 2°C~35°C.
The English text is the original instruction. Other languages are
translations of the original instructions.
EKHVWQ002AAV3 + EKHHS200+260AA1V3
Domestic hot water heat pump
4PW65342-1A – 10.2010
Installation manual
1
1. DEFINITIONS
1.1. Meaning of warnings and symbols
Warnings in this manual are classified according to their severity and
probability of occurrence.
DANGER
Indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
WARNING
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may also
be used to alert against unsafe practices.
NOTICE
Indicates situations that may result in equipment or
property-damage accidents only.
INFORMATION
This symbol identifies useful tips or additional information.
Some types of danger are represented by special symbols:
Electric current.
Danger of burning and scalding.
1.2. Meaning of used terms
Installation manual:
Instruction manual specified for a certain product or application,
explaining how to install, configure and maintain it.
Operation manual:
Instruction manual specified for a certain product or application,
explaining how to operate it.
Maintenance instructions:
Instruction manual specified for a certain product or application,
which explains (if relevant) how to install, configure, operate and/or
maintain the product or application.
Dealer:
Sales distributor for products as per the subject of this manual.
Installer:
Technical skilled person who is qualified to install products as per the
subject of this manual.
User:
Person who is owner of the product and/or operates the product.
Service company:
Qualified company which can perform or coordinate the required
service to the unit.
Applicable legislation:
All international, European, national and local directives, laws,
regulations and/or codes which are relevant and applicable for a
certain product or domain.
Accessories:
Equipment which is delivered with the unit and which needs to be
installed according to instructions in the documentation.
Optional equipment:
Equipment which can optionally be combined to the products as per
the subject of this manual.
Field supply:
Equipment which needs to be installed according to instructions in
this manual, but which are not supplied by Daikin.
2.GENERAL SAFETYPRECAUTIONS
The precautions listed here are divided into the following four types.
They all cover very important topics, so be sure to follow them
carefully.
DANGER: ELECTRICAL SHOCK
Switch off all power supply before removing the switchbox
service panel or before making any connections or
touching electrical parts.
Do not touch any switch with wet fingers. Touching a switch
with wet fingers can cause electrical shock. Before
touching electrical parts, turn off all applicable power
supply.
To avoid electric shock, be sure to disconnect the power
supply 1 minute or more before servicing the electrical
parts. Even after 1 minute, always measure the voltage at
the terminals of main circuit capacitors or electrical parts
and, before touching, be sure that those voltages are
50 V DC or less.
When service panels are removed, live parts can easily be
touched by accident. Never leave the unit unattended
during installation or servicing when the service panel is
removed.
DANGER: DO NOT TOUCH PIPING AND INTERNAL
PA RT S
Do not touch the refrigerant piping, water piping or internal
parts during and immediately after operation. The piping
and internal parts may be hot or cold depending on the
working condition of the unit.
Your hand may suffer burns or frostbite if you touch the
piping or internal parts. To avoid injury, give the piping and
internal parts time to return to normal temperature or, if
you must touch them, be sure to wear protective gloves.
WARNING
■Never directly touch any accidental leaking
refrigerant. This could result in severe wounds caused
by frostbite.
■Do not touch the refrigerant pipes during and
immediately after operation as the refrigerant pipes
may be hot or cold, depending on the condition of the
refrigerant flowing through the refrigerant piping,
compressor, and other refrigerant cycle parts.
Your hands may suffer burns or frostbite if you touch
the refrigerant pipes. To avoid injury, give the pipes
time to return to normal temperature or, if you must
touch them, be sure to wear proper gloves.
CAUTION
Do not rinse the unit. This may cause electric shocks or
fire.
Installation manual
2
EKHVWQ002AAV3 + EKHHS200+260AA1V3
Domestic hot water heat pump
4PW65342-1A – 10.2010
3.INTRODUCTION
4.ACCESSORIES
3.1. General information
Thank you for purchasing this unit.
The module EKHVWQ002AAV3 is the heat pump part of the
domestic hot water heat pump, the modules EKHHS200AA1V3 and
EKHHS260AA1V3 are the domestic hot water tank parts of the
domestic hot water heat pump. The domestic hot water tanks are
available in two different water capacities : 200 and 260 litre.
The unit is designed for floor standing indoor installation.
CAUTION
An EKHVWQ002AAV3 module can only be connected to
an EKHHS200AA1V3 or an EKHHS260AA1V3 module.
Floormounting kit EKFMHHSAA
The domestic hot water tank module EKHHS is intended to be
installed on top of the heat pump module EKHVW. In case this is not
possible the domestic hot water tank module can be installed next to
the heat pump module EKHVW in combination with a field installed
option EKFMHHSAA.
3.2. Scope of this manual
This installation manual describes the procedures for handling,
installing and connecting all modules of the domestic hot water heat
pump.
INFORMATION
Operation of the domestic hot water heat pump is
described in the domestic hot water heat pump operation
manual.
4.1. Accessories supplied with the domestic hot
water heat pump module EKHVWQ
4.2. Accessories supplied with the domestic hot
water tank module EKHHS
12
3.3. Model identification
EKHVWQ 002AAV3
Series
Heating capacity
Domestic hot water heat pump module
European kit
EKHHS200AA1V3
Series
Domestic hot water tank capacity
Domestic hot water tank module
European kit
1Piping fixation clamps
2Domestic hot water tank module fixation parts
1N~, 230 V, 50 Hz
1N~, 230 V, 50 Hz
EKHVWQ002AAV3 + EKHHS200+260AA1V3
Domestic hot water heat pump
4PW65342-1A – 10.2010
Installation manual
3
5.OVERVIEW
5.1. Overview of the domestic hot water heat pump
module
5.2. Overview of the domestic hot water tank module
2
1
9
8
1
17
1
12
1
7
6
1 1011415
11
5
1
13
1Temperature sensor (thermistor)
Temperature sensors determine the water and refrigerant
temperature at various points in the circuit.
2Switch box
The switch box contains the main electronic and electrical
parts of the indoor unit.
3Condensor
4Evaporator
5Fan motor and propeller
6Pump
The pump circulates the water in the water circuit.
7Compressor
8Accumulator
9Electronic expansion valve
10Service port water circuit
11Casing
12Flow sensor
13Drain pan socket
14Water inlet connection from domestic hot water tank
15Water outlet connection to domestic hot water tank
16Sound bottom plate
17Service port R410A
4
3
16
10
11
6
13
1
8
2
3+4
1Hot water out connection
2T-piece (field supply)
3Pressure relief valve connection (field supply)
4Pressure relief valve ( field supply)
5Thermistor socket
6Flow inlet connection from the heat pump module
7Return outlet connection to the heat pump module
8Cold water in connection
9Thermistor
10Anode
11Casing
12Thermal protector
The thermal protector is activated when the temperature
becomes too high.
13Booster heater
14Thermal fuse
CAUTION
This domestic hot water tank module can only be used with
an EKHVWQ indoor module.
5
9
12
7
14
Installation manual
4
EKHVWQ002AAV3 + EKHHS200+260AA1V3
Domestic hot water heat pump
4PW65342-1A – 10.2010
5.3. Switchbox main components
54
23
1
5.4. Functional diagram
3
2
1
8
7
4
5
6
6
1Main PCB
The main PCB (Printed Circuit Board) controls the
functioning of the unit.
2Filter PCB
3Inverter PCB
4Terminal block X2M
Main terminal block which allows easy connection of field
wiring for power supply.
5Terminal block X3M
Field wiring terminal block for low voltage connections.
6Strain relief for cables
7Fuse for booster heater power supply
8Booster heater contactor
INFORMATION
The electrical connection diagram can be found on the
inside of the switch box cover.
1
t >
24
23
7
8
27
25
6
9
8
10
26
11
13
12
1Heat pump module (EKHVWQ*)
2Heat pump module, refrigerant side
3Heat pump module, water side
4Domestic hot water tank (EKHHS*200, EKHHS*260)
5Field istallation
(According to local and national regulations)
6Air heat exhanger (evaporator)
7Water heat exchanger (condensor)
8Filter
9Expansion valve (Y1E)
10Fan with fan motor (M1F)
11Compressor (M1C)
12Accumulator
13Service port 5/16"
14Flow sensor (S1NF)
15Pump (M1P)
16Expansion vessel
17Pressure relief valve
18Pressure reducing valve
19Non returning valve
20Shut off valve
21Drain valve
22Quick coupling connection
23Screw connection G 1/2" MBSP
24Thermistor ambient temperature (R1T)
25Thermistor evaporator temperature (R2T)
26Thermistor discharge temperature (R3T)
27Thermistor heat exchanger temperature (R4T)
28Thermistor leaving water temperature (R5T)
29Thermistor entering water temperature (R6T)
30Thermistor domestic hot water tank (R7T)
151329
14
30
28
22
23
54
16
17
20
201918
21
EKHVWQ002AAV3 + EKHHS200+260AA1V3
Domestic hot water heat pump
4PW65342-1A – 10.2010
Installation manual
5
6.INSTALLATIONOFTHEUNIT
6.1. Selecting an installation location
WARNING
■Make sure to provide for adequate measures in order
to prevent that the indoor unit should be used as a
shelter by small animals.
■Small animals making contact with electrical parts can
cause malfunctions, smoke or fire. Please instruct the
customer to keep the area around the unit clean.
The unit is to be placed in an indoor location that meets the following
requirements:
General
■Installation shall be done by a licensed technician, the choice of
materials and installations shall comply with local and national
regulations.
■The equipment is not intended for use in a potentially explosive
environment.
■There is no danger of fire due to leakage of inflammable gas.
■If the sound is measured under actual installation conditions, the
measured value will be higher than the sound pressure level
mentioned in the "Unit specifications" on page 27 due to
environmental noise and sound reflections. Choose the
installation location carefully and do not install in a sound
sensitive environment (e.g. living room, bedroom, ...).
■Be sure that sufficient precautions are taken, in accordance with
relevant local and national regulations, in case of refrigerant
leakage.
Location requirements
■The installation location is frost-free and indoors.
■Take care that in the event of a water leak, water can not cause
any damage to the installation space and surroundings.
■The foundation must be strong enough to support the weight of
both models.
The floor is flat to prevent vibrations and noise generation and to
have sufficient stability especially when the optional domestic
hot water tank is mounted on top of the unit.
■Volume of installation location
During operation the heat pump module increases the domestic
water temperature by using the indoor stored heat. Typical
installation location for this product is a garage, cellar, technical
room, etc.
To have an optimum unit operation and to prevent a too big
temperature drop in the installation location, take the following
requirements for the installation location into account:
■ Minimum volume of the installation room
The heatpump operation stops whenever the indoor ambient
temperature becomes lower than 2°C (this can be adapted
by field setting [7-04]). After that, the electric heater in the
domestic hot water tank module will continue to heat up the
domestic hot water. This is a unit safety that prevents the
installation room to cool down further (preventing that e.g.
water piping in the installation room gets damaged) and
guarantees a sufficient comfort level in the form of sufficient
amount of domestic hot water.
To prevent this safety to occur frequently and to assure the
use of the electric heater as little as possible, the room size
must have a minimum volume (see figure below). All
depends on the outdoor temperature, the temperature
setpoint of the adjacent heated room and the insulation
properties of the walls. The volumes in the figure are valid for
an outdoor temperature of –10°C and a temperature setpoint
of the adjacent heated room of 16°C.
With this room volume, the heatpump can heat up 260 liters
domestic hot water from 10°C to 60°C.
Garage included in house
One wall and ceiling of garage
are in contact with heated area
Minimum required
volume
Square footprint25 m
Height2.5 m
Garage included in house
Two walls and ceiling of garage
are in contact with heated area
Minimum required
volume
Square footprint20 m
Height2.5 m
When the installation room size does not match the minimum
requirement volume or if the walls between the installation
room and adjacent heated room have better insulation
properties than a single brick wall, additional heat sources
must be considered.
Examples of heat sources:
- if installed in a basement the ground surrounding the
basement will heat up the installation room temperature
- if installed in a garage, the heat of the cars engine
- natural ventilation via e.g. doors leading to the adjacent
heated rooms
- ventilation connection to a heated room
- other: washing machine, dryer
60 m
50 m
3
2
3
2
Installation manual
6
EKHVWQ002AAV3 + EKHHS200+260AA1V3
Domestic hot water heat pump
4PW65342-1A – 10.2010
■ Humidity of the adjacent heated rooms
The room where the unit is installed will cool down.
Depending on the relative humidity temperature in the
adjacent room and the insulation property of the common
walls, condensation could occur on the wall.
■ Installing near a wall or obstacle
When the unit is installed as mentioned in the figure below,
the performance and operation of the unit will be optimum.
C
≥150
B
≥150
A
AE.g. kitchen
B
BE.g. garage
If the relative humidity in the adjacent heated room is often
higher than 60% (e.g. bathroom) during the heating season
(when outdoor ambient temperature is lower than 15°C)
condensation could occur on the common walls. Relative
humidity levels of a living room normally do not exceed this
60%.
If this should be the case consider to limit the cool down of
the installation room by considering additional heat sources
(see above remarks).
■Air blowing out
Depending on the operating conditions and the installation
condition, the cold air blown out at the back of the unit can cause
condensation or heat losses to surroundings.
In this case consider to locally insulate the wall on the unit side,
or install the heat pump module with the cold air blow out to an
(e.g.) outside wall.
A
AE.g. kitchen
B
D
C
BE.g. garage
CInsulation
DCold air blow out
from heat pump
module
A
≥400
C
≥150
A
ASpace required for switch box removal
BSpace required for air intake
CSpace required for air blow out to the left
≥400
A
B
≥500
≥400
Where a wall or other obstacle is not according to the figure
mentioned in "Installing near a wall or obstacle", follow the
installation guidelines below.
INFORMATION
If the unit cannot be installed according to the figure
mentioned in "Installing near a wall or obstacle", consider
to use flexible piping between the unit and the customer
water circuit. This could facilitate possible service jobs
where access to one of the sides is required.
Exampl
e: when water piping is situated in the blow out zone of
the unit depending on operating conditions and the water
temperature inside the piping this piping can condens. In this
case consider to insulate the water piping.
Depending on the operating conditions and the installation
condition the cold air blown out at the back of the unit can cause
heatlosses and even freezing up temperatures to e.g. non
insulated water piping located in this cold area! In this case
consider to insulate the water piping.
■Required space around the unit
■ The space around the unit is adequate for servicing
B
≥150
AA
≥400
ASpace required for switch box removal
BLeft installation
CRight installation
C
≥150
≥400
EKHVWQ002AAV3 + EKHHS200+260AA1V3
Domestic hot water heat pump
4PW65342-1A – 10.2010
Installation manual
7
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