Dimplex ECSd300ST-580 Bedienungsanleitung

Dimplex Nicht kategorisiert ECSd300ST-580

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Important - This manual must be left with the user after Installation!
EC-Eau Cylinder Range
Installation and User Instructions
Solar Direct, Solar Indirect and
Solar Heat Pump Cylinders
Up to 300L
Installation and User Instructions R01128-8 09/15
Page 2
Dimplex is a licensed member of the Benchmark Scheme which aims to improve
the standards of installation and commissioning of domestic heating and hot
water systems in the UK and to encourage regular servicing to optimise safety,
efficiency and performance.
Benchmark places responsibilities on both manufacturers and installers. The
purpose is to ensure that customers are provided with the correct equipment for
their needs, that it is installed, commissioned and serviced in accordance with
the manufacturer’s instructions by competent persons and that it meets the
requirements of the appropriate Building Regulations. The Benchmark Checklist
can be used to demonstrate compliance with Building Regulations and should be
provided to the customer for future reference.
Installers are required to carry out installation, commissioning and servicing work
in accordance with the Benchmark Code of Practice which is available from the
Heating and Hot Water Industry Council who manage and promote the Scheme.
Visit www.centralheating.co.uk for more information.
The HWA Charter requires that all members adhere to the following:
supply fit for purpose products clearly and honestly described
supply products that meet, or exceed appropriate standards and
building and water regulations
provide pre and post sales technical support
provide clear and concise warranty details to customers
For further information on the HWA Charter Membership, please refer to the
HWA website www.hotwater.org.uk’
Installation and User Instructions R01128-8 09/15
Page 3
Overall View
0 Overall View
Figure 1: Overall view of Cylinder Installation process Solar Direct
02
03
09
01
07
04
08
06
05
Installation and User Instructions R01128-8 09/15
Page 4
Overall View
Figure 2: Overall view of Cylinder Installation process Solar Indirect
02
03
01
06
04
09
05
10
07
08
Installation and User Instructions R01128-8 09/15
Page 5
Overall View
Figure 3: Overall view of Cylinder Installation processSolar Heat Pump
02
03
11
01
06
04
09
05
10
07
08
12
Installation and User Instructions R01128-8 09/15
Page 7
Contents
9.1 C YLINDER HEAT EXCHANGER PRESSURE DROP ..................................................... 48
10 USER INSTRUCTIONS ................................................................................ 50
10.1 G ENERAL ............................................................................................. 50
10.2 O PERATION .......................................................................................... 51
10.2.1 Water temperature direct electric heating ........................................ 51
10.2.2 Water temperature auxiliary heating ............................................... 52
10.3 M AINTENANCE ....................................................................................... 52
10.4 T ROUBLESHOOTING................................................................................. 53
Installation and User Instructions R01128-8 09/15
Page 9
Important Information
when working inside
immersion housing.
Note: The cylinder
must be filled with
water before switching
on the immersion
heater. Failure to do so
will damage the
element and void any
guarantee on the
product.
The maintenance of
this appliance must
be carried out by a
suitably qualified
person only. It is
recommended to
maintain the unit on
an annual basis.
Isolate all electrical
supplies from the
unit before
commencing work.
Danger of electrical
shock!
CLEANING
INSTRUCTIONS:
Clean outer
cladding of cylinder
with a soft cloth
dampened with
warm water only.
Do not use abrasive
or aggressive
cleaning materials,
such as alcohol or
petroleum based
solvents, as this
may damage the
surface of the
product.
Temperature setting: A
high level cutout is
fitted to the product for
each heat source. This
should never activate
under normal
operation. The
maximum possible
cylinder temperature
attainable by the heat
pump is 65°C as set on
the User Interface. The
back-up immersion
heater can produce up
to 72°C at its maximum
setting, i.e 5. For
Installation and User Instructions R01128-8 09/15
Page 10
Important Information
convenience the
immersion heater is
preset to produce
60°C.
If an electronic copy of
this manual should be
required, please contact
the manufacturer at the
address at the back of this
manual.
Note: This appliance is
intended to be
permanently
connected to the water
mains and not
connected by a hose-
set.
Dimplex cannot take
responsibility for ensuring
safe operation of the
appliance outside of the
scope of intended use.ly
Installation and User Instructions R01128-8 09/15
Page 11
Important Information
2 Introduction
Thank you for choosing a Dimplex
product. The EC-Eau solar cylinders are
specified with large, high surface area
heat exchangers, specifically sized to
match the requirements of Dimplex
solar systems. They boast 60mm of
low GWP insulation foam, together with
100% recyclable stainless steel inner
components and a sleek black, hard
wearing outer shell manufactured from
completely recycled materials. For
more detailed information on product
features, please see the Technical Data
section in this manual.
NOTE: This product has been designed
specifically for the purpose of
delivering heated, domestic and
sanitary hot water as part of a
pressurised water heating system. The
package is provided with fittings that
comply with Section G3 of Building
Regulations.
WARNING: Dimplex cannot take
responsibility for ensuring safe
operation of the appliance outside
of the scope of intended use.
Installation and User Instructions R01128-8 09/15
Page 12
Important Information
3 Scope of delivery
Please ensure you check the scope of
delivery below before signing any
delivery documentation. Claims for
missing or damaged parts after signing
for the delivery will not be accepted
.
Table 1: Scope of Delivery for CylindersSolar Direct
* These items are supplied factory fitted
Installation and User Instructions R01128-8 09/15
Page 13
Scope of Delivery
Table 2: Scope of Delivery for CylindersSolar Indirect
* These items are supplied factory fitted
Installation and User Instructions R01128-8 09/15
Page 14
Scope of Delivery
Table 3: Scope of Delivery for Cylinder Solar Heat Pump
* These items are supplied factory fitted
** Only part of the scope of delivery when not supplied as a Dimplex Heat Pump
package
Installation and User Instructions R01128-8 09/15
Page 15
Pre-Installation
4 Pre-Installation
Advice
Please read the following section
carefully before commencing
installation. If in any doubt, please call
the appropriate help desk.
Disregarding the instructions given in
this manual in its entirety and any
relevant regulations, standards and
codes of practice will void the
guarantee of this product.
Handling depending on the size of –
the unit and access to its installation
location, consideration must be given
to the handling of the unit. Please note
that handling, installation and use of
this product is subject to the Health
and Safety at Work Act.
If the unit is not installed immediately,
it should remain in its protective
packaging with all pipe protectors/end
caps applied to prevent damage and
dirt deposit inside the cylinder and the
coils.
Pipe work the pipe runs should be –
executed as short as possible, unused
pipe work should be removed and all
remaining pipe work should be lagged
in accordance with regulatory
requirements to prevent heat loss and
the formation of condensation.
Taps and fittings all taps and –
fittings incorporated in the unvented
system should have a rated operating
pressure of 0.6 MPa (6 bar) or above.
4.1 Risk assessment
The compilation of a risk assessment is
strongly recommended before
installing the product. The following
areas require particular consideration
in addition to the information required
by the Health and Safety at Work Act.
- scalding: where appropriate or
required by law a thermostatic
mixing valve is to be fitted to the hot
water outlet of the cylinder (see also
water borne organisms).
- explosion: the unit is fully equipped
with all relevant safety equipment to
comply with current regulations. The
correct design and function has been
verified by independent third party
testing. The correct application
thereof is the responsibility of the
competent installer.
- water borne organisms (i.e.
Legionella): if applicable a risk
assessment should be carried out
following the recommendations
outlined in the Approved Code of
Practice L8.
- the user preference must be
considered when commissioning the
system, in particular when adjusting
the solar and auxiliary system
temperature and timer settings.
4.2 Siting considerations
When choosing a suitable location for
the cylinder the following aspects
should be considered:
- structural integrity
- access for installation, operation,
maintenance and replacement
- routing of discharge pipe work
- access to water mains supply, hot
and cold water distribution pipe work
- access to suitable electricity supply
- location in relation to remaining
system components such as
auxiliary and solar heating system
Installation and User Instructions R01128-8 09/15
Page 16
Pre-Installation
- frost protection
The solar cylinder range designed to is
be floor standing, vertically mounted,
indoors and in a frost free
environment. The cylinder may be
located on any flat and level surface,
provided it is sufficiently robust to
support the weight of the cylinder
when full of water (please see technical
data) and suitably accessible for
replacement/maintenance without
specialist tools or lifting equipment as
this will void the warranty conditions.
The position and orientation of the
cylinder should be such that easy
access is provided for servicing the
controls. A minimum distance of
400mm in front of the immersion is
recommended, to allow the
replacement of the immersion heater
should the need arise. When installing
the cylinder all labels should be clearly
visible and ensure that no pipework
hinders any work to be carried out on
the various cylinder components.
Particular care must be taken when
placing the cylinder in a garage or
outbuilding. All exposed pipe work
must be correctly insulated to avoid
frost damage.
CLEANING INSTRUCTIONS:
Clean outer cladding of
cylinder with a soft cloth
dampened with warm water
only. Do not use abrasive or
aggressive cleaning
materials, such as alcohol or
petroleum based solvents, as
this may damage the surface
of the product.
4.3 Cold water supply
For satisfactory and safe performance
of the unvented cylinder the water
supply must meet the following
criteria:
Minimum dynamic
pressure
150 kPa
(1.5 bar)
Maximum inlet supply
pressure
1200 kPa
(12 bar)
Minimum flow rate
15 l/min
Max. chlorine content
250mg/L
Max. water hardness
200mg/L
The following instructions have to be
followed when installing the cold water
mains supply to the cylinder:
- The cold water supply to the cylinder
must come directly from the cold
water mains after the mains stop
valve to the property.
- The cold water inlet pipe work should
have at least an inside diameter of
19mm and should meet the
requirements of the water
regulations for the supply of
wholesome water.
Installation and User Instructions R01128-8 09/15
Page 17
Pre-Installation
Dimplex recommend an annual
maintenance inspection carried out is
on the domestic hot water cylinder. In
hard water areas this should include
inspection of the heat exchanger and
immersion heater, [above 120ppm or
120mg/l]. A local water treatment
company should be able to offer free
water quality testing. The heating
elements may require periodic de-
scaling. The installer should do this as
part of a maintenance agreement.
If required, precautions can be taken
to minimise effects of water hardness,
i.e. installation of water conditioner or
water softener. These devices should
be installed in hard water areas where
high water storage temperatures are
required, i.e. greater than 60°C
storage temperatures, particularly
when water hardness exceeds
200ppm. Should the water cylinder
require de-scaling, this must be
performed by a qualified technician.
4.4 Building regulation G3
Discharge
requirements
As part of the requirements of Building
Regulation G3 any discharge from an
unvented system should be conveyed
to where it is visible, but will not cause
danger to persons in or about the
building. The tundish and the discharge
pipes should be fitted in accordance
with the requirements of Building
Regulation approved document G3,
(England and Wales), Part P of
Northern Ireland and Standard 4.9 of
Scotland.
Installation and User Instructions R01128-8 09/15
Page 19
Pre-Installation
Table 4 : Sizing of copper discharge pipe “D2” for common temperature relief valve outlet sizes
4.4.2 Worked example
This example is for a G½ temperature
relief valve with a discharge pipe (D2)
(as fitted on 125 to 300L cylinders)
having 4 No. 22mm elbows and length
of 7m from the tundish to the point of
discharge.
From Table 4, the maximum resistance
allowed for a straight length of 22mm
copper discharge pipe
(D2) from a G½ temperature relief
valve is 9.0m. Subtract the resistance
for 4 No. 22mm elbows at 0.8m each
= 3.2m.
Therefore the maximum permitted
length
equates to 5.8m, which is less than the
actual length of 7m, therefore calculate
the next largest size.
Maximum resistance allowed for a
straight length of 28mm copper
discharge pipe (D2) from a G½
temperature relief valve is: 18m
Subtract the resistance for 4 No. 28mm
elbows at 1.0m each = 4m
Therefore the maximum permitted
length equates to 14m.
As the actual length is 7m, a 28mm
(D2) copper pipe will be satisfactory.
Pre-Installation
Installation and User Instructions R01128-8 09/15
Page 20
- Where a single common discharge
pipe serves more than one system,
it should be at least one pipe size
larger than the largest individual
discharge pipe (D2) to be connected.
- The discharge pipe should not be
connected to a soil discharge stack
unless the soil discharge stack is
capable of safely withstanding
temperatures of the water
discharged, in which case, it should:
- contain a mechanical seal, which
allows water into the branch pipe
without allowing foul air from the
drain to be ventilated through the
tundish.
- there should be a separate branch
pipe with no sanitary appliances
connected to it.
- if plastic pipes are used as branch
pipes carrying discharge from a
safety device, they should be
either polybutalene (PB) or cross-
linked polyethylene (PE- X)
complying with national
standards.
- be continuously marked with a
warning that no sanitary
appliances should be connected to
the pipe.
4.4.3 Termination of
discharge pipe
- “The discharge pipe (D2) from the
tundish should terminate in a safe
place where there is no risk to
persons in the vicinity of the
discharge.”
- Examples of acceptable discharge
arrangements are:
- “to a trapped gully with the end of
the pipe below a fixed grating and
above the water seal;
- downward discharges at low level;
i.e. up to 100mm above external
surfaces such as car parks, hard
standings, grassed areas etc. are
acceptable providing that a wire
cage or similar guard is positioned to
prevent contact, whilst maintaining
visibility; and ,
- discharges at high level: e.g. into a
metal hopper and metal downpipe
with the end of the discharge pipe
clearly visible or onto a roof capable
of withstanding high temperature
discharges of water and 3m from any
plastic guttering system that would
collect such discharges.”
Note: As the discharge would
consist of high temperature water
and steam, asphalt, roofing felt
and non-metallic rainwater goods
may be damaged by such
discharges.
Installation and User Instructions R01128-8 09/15
Page 22
Installation
It is important to check the
pre-charge pressure of the
expansion vessel membrane
before filling the cylinder. The
pre-charge should be greater
than or equal to 3bar.
Note: The expansion vessel must
be installed to the side of the
expansion relief valve on the inlet
group. To do this the blanking plug
must be removed and the
expansion vessel connected, as
shown in Figure 6.
Figure 6: Detail showing the connection of
the expansion vessel to the inlet group
5.1.4 Balanced cold water
supply
If balanced cold water supply is
required a connection can be taken
from the bottom of the inlet group.
5.1.5 Drain valve
It is also recommended to install a
drain valve (not supplied) in the lowest
point of the cold water feed to the
cylinder. This allows the cylinder to be
drained in a controlled manner should
this become necessary.
5.2 Hot Water Outlet
The hot water pipe work is to be
directly connected to the hot water
outlet connection on the cylinder, see
Figure 1.
5.2.1 Thermostatic mixing
valve
A thermostatic mixing valve may be
required to limit the outlet
temperature. In this case, the valve
should be installed following the
manufacturer’s instructions, ensuring
none of the safety equipment has been
isolated, (i.e. make sure the
connection to the thermostatic mixing
valve is taken after the safety
equipment of the inlet group).
5.2.2 Pipe insulation
It is recommended to insulate the hot
water pipe work from the cylinder to
the outlets, to reduce the energy
requirements for providing hot water.
It is also recommended to insulate all
other exposed pipework, such as the
T&P to the tundish, the coil flow and
return and the cold water inlet pipes.
5.3 Discharge pipes from
safety devices
5.3.1 Discharge pipe D1
- The temperature and pressure relief
valve must be discharged directly or
by way of a manifold via a short
length of metal pipe (D1) into a
tundish; and the discharge pipe must
be installed in a continuously
downward direction and in a frost
free environment. Water may drip
Expansion
Vessel
Connection
Balanced
Cold Water
Supply
Expansion
Relief
Valve
Cold
Water to
Cylinder
Cold
Water
from
Mains
Installation and User Instructions R01128-8 09/15
Page 23
Installation
from the discharge pipe of the
pressure relief device and this pipe
must be left open to the atmosphere.
- The diameter of discharge pipe (D1)
should not be less than the nominal
outlet size of the safety device, e.g.
temperature relief valve.
- Where a manifold is used it should be
sized to accept and discharge the
total discharge from all the D1
discharge pipes connected to it.
- The discharge pipe work from the
expansion relief valve must be
installed constantly falling to an open
point of discharge. It is
recommended to combine it with the
discharge of the temperature and
pressure relief valve.
Note: The T&P valve is pre-sealed
and if moved the seal will be
broken, should this occur, it will
need to be resealed with an
appropriate sealant (Dimplex part
number R00836-1).
5.3.2 Discharge pipe D2
For a detailed description of the
discharge pipework D2 see chapter
4.4.1.
5.3.3 Tundish
- The tundish should be vertical,
located in the same space as the
unvented hot water storage system
and be fitted as close as possible to,
and lower than, the safety device,
with no more than 600mm of pipe
between the valve outlet and the
tundish (see Figure 4 ).
- Discharge should be visible at the
tundish, where discharges may not
be apparent, e.g. in dwellings
occupied by people with impaired
vision or mobility, consideration
should be given to the installation of
a suitable safety device to warn
when discharge takes place, e.g.
electronically operated.
Note: To comply with the Water
Supply (Water Fittings)
Regulations, the tundish should
incorporate a suitable air gap.
It is important that the tundish
is positioned away from any
electrical components.
Installat ion and User Instructions R01128 -8 09/15
Page 25
Installation
5.5 Solar coil connections
If the flow connection is the highest
point in the solar loop and if the system
was not commissioned using a flush
and fill pump, an adequate device for
de-aeration must be installed.
For ease of maintenance it is
recommended to install a drain valve
at the return connection of the solar
coil. Compression fittings should be
used to complete this part of the
installation.
Note: If the cylinder is located
higher than the solar collector
array, a two port valve has to be
installed and wired accordingly.
5.6 Auxiliary coil
connections
If the flow connection is the highest
point in the auxiliary heating loop an
adequate device for de-aeration must
be installed.
For ease of maintenance it is
recommended to install a drain valve
at the return connection of the
auxiliary heating coil, if this is the
lowest point in the auxiliary heating
loop.
It is recommended that the fittings
used to connect to the cylinder are
suitable for stainless steel, the flow and
return should use 28mm compression
fittings. Not all push fit fittings can be
used – please check with your supplier.
When using compression fittings,
ensure that the connection is not over-
tightened.
Installat ion and User Instructions R01128 -8 09/15
Page 26
Installation
5.7 Thermostat connection
The solar circulation pump and the
auxiliary heating system can be wired
to the cylinder in various ways as
described by the chosen supplier.
To conform to building regulations, it is
imperative that any heat generator
connected to the cylinder is installed
through the correct twin thermostat,
which is factory fitted to the cylinder.
The two port valve supplied with the
solar indirect cylinder is to be installed
by default into the auxiliary heating
loop. If the cylinder is located higher
than the solar collector array, a two
port valve has to be installed in the
solar loop and wired accordingly.
Figure 8: Thermostat Wiring Schematic
T
T
T
NOTE: T1 and T2 must be connected. T3 can replace T2 only when
a normally open configuration is required.
To solar pump/
two port valve
From control unit
Temp
control
stat
High
temp cut
out stat
2
1
1
2
3
T4
Earth
Installat ion and User Instructions R01128 -8 09/15
Page 27
Installation
5.7.1 Auxiliary loop wiring schematic (indirect cylinder only)
Figure 9 Wiring schematic auxiliary loop :
Installat ion and User Instructions R01128 -8 09/15
Page 28
Installation
5.7.2 Solar loop wiring schematic (direct and indirect cylinders)
Figure : Wiring schematic solar loop 10
Installat ion and User Instructions R01128 -8 09/15
Page 29
Installation
5.7.3 Solar sensor connection
5.7.3.1 Solar Sensor Connection Thermostat Housing (direct x 1, indirect x 2)
Step 1: Access the sensor mounting plate. To do this remove the Dual Cut Out cover
plate (A) by removing the fixing screw and insulation foam (B) to access the sensor
mounting plate (C). Remove the M5 fixing screws in the four corners of the plate.
Step 2: Orientate the sensor mounting plate to allow access to the phials (four clips in
the centre of the sensor mounting plate .) Be careful not to kink the capillaries that
connect the thermostat bulbs. The sensor mounting plate will have two vacant slots for
additional sensors (D). Slide the solar sensor into place as shown (E).
A
B
C
D
E
Installat ion and User Instructions R01128 -8 09/15
Page 30
Installation
Step 3: Move the sensor mounting plate back into its fixing position. Be careful not to
kink the capillaries that connect the thermostat bulbs. Fit the four M5 fixing screws into
the cylinder bracket (F). Tighten the screws until the thermostat bulbs and heat pump
sensor are held firmly against the wall of the inner cylinder.
Note: there should be no movement in the phials that are used to hold the bulbs and
sensor. Care should be taken not to overtighten the screws.
Step 4: Replace the insulating foam over the sensor mounting plate.
F

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Marke: Dimplex
Kategorie: Nicht kategorisiert
Modell: ECSd300ST-580

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