STIEBEL ELTRON | WPL 07-17_ACS_classic | Operation Instruction | Stiebel Eltron WPL 07-17_ACS_classic Operation Instruction

Stiebel Eltron WPL 07-17_ACS_classic Operation Instruction
OPERATION AND INSTALLATION
Air | water heat pump
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WPL
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07 ACS classic
09 ACS classic
13 ACS classic
17 ACS classic
CONTENTS

SPECIAL INFORMATION
OPERATION
14.
14.1
14.2
Shutdown��������������������������������������������������� 18
Standby mode��������������������������������������������������� 18
Power interruption��������������������������������������������� 18
15.
Maintenance������������������������������������������������ 18
16.
16.1
16.2
16.3
16.4
Troubleshooting�������������������������������������������� 18
Checking the IWS DIP switch settings���������������������� 18
LEDs (IWS)�������������������������������������������������������� 20
Reset button����������������������������������������������������� 20
Fan noise��������������������������������������������������������� 20
Specification������������������������������������������������ 21
Dimensions and connections��������������������������������� 21
Wiring diagram������������������������������������������������� 22
Application limit������������������������������������������������ 24
Output diagrams WPL 07 ACS classic����������������������� 25
Output diagrams WPL 09 ACS classic����������������������� 26
Output diagrams WPL 13 ACS classic����������������������� 27
Output diagrams WPL 17 ACS classic����������������������� 29
Data table�������������������������������������������������������� 30
1.
1.1
1.2
1.3
1.4
1.5
General information�����������������������������������������3
Other relevant documents������������������������������������� 3
Safety instructions����������������������������������������������� 3
Other symbols in this documentation����������������������� 4
Units of measurement������������������������������������������ 4
Standardised output data�������������������������������������� 4
2.
2.1
2.2
Safety����������������������������������������������������������4
Intended use������������������������������������������������������ 4
Safety instructions����������������������������������������������� 4
3.
3.1
3.2
3.3
Appliance description���������������������������������������5
Minimum software versions����������������������������������� 5
Operational characteristics������������������������������������ 5
Function����������������������������������������������������������� 5
4.
Settings �������������������������������������������������������6
5.
Maintenance and care���������������������������������������6
17.
17.1
17.2
17.3
17.4
17.5
17.6
17.7
17.8
6.
Troubleshooting����������������������������������������������6
GUARANTEE
INSTALLATION
7.
7.1
7.2
Safety����������������������������������������������������������7
General safety instructions������������������������������������ 7
Instructions, standards and regulations�������������������� 7
8.
8.1
8.2
Appliance description���������������������������������������7
Standard delivery������������������������������������������������ 7
Accessories�������������������������������������������������������� 7
9.
9.1
9.2
9.3
9.4
9.5
9.6
9.7
Preparations��������������������������������������������������7
Sound emissions������������������������������������������������� 7
Minimum clearances�������������������������������������������� 8
Preparation of the installation location��������������������� 8
Installing the supply lines������������������������������������� 10
WPM heat pump manager������������������������������������ 10
Buffer cylinder�������������������������������������������������� 10
Preparing the electrical installation������������������������ 11
10.
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
10.10
10.11
Installation�������������������������������������������������� 11
Transport��������������������������������������������������������� 11
Siting�������������������������������������������������������������� 11
Flow and return connection���������������������������������� 12
Fitting the push-fit connectors������������������������������� 12
Heating water connection������������������������������������� 13
Oxygen diffusion������������������������������������������������ 13
Filling the heating system������������������������������������ 13
Minimum flow rate��������������������������������������������� 13
Setting the flow rate on the heating side������������������ 14
External second heat source��������������������������������� 14
High limit safety cut-out for area heating system�������� 14
11.
11.1
Electrical connection��������������������������������������� 15
Terminal area���������������������������������������������������� 15
12.
12.1
12.2
12.3
Commissioning��������������������������������������������� 16
Checks before commissioning������������������������������� 16
Operation with an external second heat source���������� 16
Initial start-up��������������������������������������������������� 16
13.
13.1
Settings����������������������������������������������������� 17
Silent mode������������������������������������������������������ 17
ENVIRONMENT AND RECYCLING
2 | WPL ACS classicwww.stiebel-eltron.com
SPECIAL INFORMATION | OPERATION
General information
SPECIAL INFORMATION OPERATION
-- The appliance may be used by children aged 8
and older and persons with reduced physical,
sensory or mental capabilities or a lack of experience and know-how, provided that they are
supervised or they have been instructed on how
to use the appliance safely and have understood
the resulting risks. Children must never play with
the appliance. Children must never clean the appliance or perform user maintenance unless they
are supervised.
-- The connection to the power supply must be in
the form of a permanent connection. Ensure the
appliance can be separated from the power supply by an isolator that disconnects all poles with
at least 3 mm contact separation.
1.
General information
The chapters "Special Information" and "Operation" are intended
for both the user and qualified contractors.
The chapter "Installation" is intended for qualified contractors.
Note
Read these instructions carefully before using the appliance and retain them for future reference.
Pass these instructions on to a new user if required.
1.1
Instructions for the WPM heat pump manager
Operating and installation instructions for connected
indoor unit
Operating and installation instructions for mounting
bracket used
Operating and installation instructions for system
components
Commissioning checklist for heat pump
-- Maintain the minimum clearances to ensure trouble-free operation of the appliance and facilitate
maintenance work.
-- Maintenance work, such as checking the electrical safety, must only be carried out by a qualified
contractor.
-- We recommend regular inspection (to establish
the current condition of the system), and maintenance by a qualified contractor if required (to
return the system to its original condition).
-- Following disconnection from the power supply,
parts of the appliance may remain energised
for 2 minutes until the inverter capacitors have
discharged.
-- Never interrupt the heat pump power supply,
even outside the heating season. Otherwise, system frost protection is not guaranteed.
-- If the heat pump and frost protection are
completely switched off, drain the system on the
water side.
Other relevant documents
1.2
Safety instructions
1.2.1 Structure of safety instructions
!
KEYWORD Type of risk
Here, possible consequences are listed that may result
from failure to observe the safety instructions.
ff
Steps to prevent the risk are listed.
1.2.2 Symbols, type of risk
Symbol
!
Electrocution
1.2.3 Keywords
KEYWORD
DANGER
WARNING
CAUTION
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Type of risk
Injury
Meaning
Failure to observe this information will result in serious
injury or death.
Failure to observe this information may result in serious
injury or death.
Failure to observe this information may result in non-serious or minor injury.
WPL ACS classic | 3
Operation
Safety
1.3
Other symbols in this documentation
2.
Safety
Note
General information is identified by the adjacent symbol.
ff
Read these texts carefully.
2.1
Intended use
Symbol
!
Meaning
Material losses
(appliance damage, consequential losses and environmental pollution)
Appliance disposal
ff
This symbol indicates that you have to do something. The action you need to take is described step by step.
1.4
Units of measurement
Note
All measurements are given in mm unless stated otherwise.
1.5
Standardised output data
Explanations to determine and interpret the specified standardised
output data.
1.5.1 EN 14511
The output data specifically mentioned in text, diagrams and
technical datasheets has been calculated according to the test
conditions of the standard shown in the heading of this section.
However, there is a deviation from this norm in the output data for
air/water inverter heat pumps at source temperatures of > -7 °C
as this concerns partial load values. The associated percentage
weighting in the partial load range can be found in EN 14825 and
EHPA quality label regulations.
Generally, the test conditions stated above will not fully meet the
conditions found at the installation site of the system user.
Depending on the chosen test method and the extent to which
this method deviates from the test conditions defined in the first
paragraph of this section, any deviations can have a considerable
impact.
The appliance is designed for room heating and cooling within
the application limits given in the specification.
This appliance is intended for domestic use. It can be used safely
by untrained persons. The appliance can also be used in non-domestic environments, e.g. in small businesses, as long as it is
used in the same way.
Any other use beyond that described shall be deemed inappropriate. Observation of these instructions and of instructions for any
accessories used is also part of the correct use of this appliance.
2.2
Safety instructions
Observe the following safety instructions and regulations.
-- Only qualified contractors may carry out the electrical work
and installation of this appliance.
-- The qualified contractor is responsible for adherence to
all currently applicable regulations during installation and
commissioning.
-- Operate the appliance only when fully installed and with all
safety equipment fitted.
-- Protect the appliance from dust and dirt ingress during
building work.
!
!
WARNING Injury
The appliance may be used by children over 8 years of
age and persons with reduced physical, sensory or mental capabilities or a lack of experience and expertise,
provided that they are supervised or they have been
instructed on how to use the appliance safely and have
understood the potential risks. Children must never play
with the appliance. Children must never clean the appliance or perform user maintenance unless they are
supervised.
WARNING Injury
ff
For safety reasons, only operate the appliance with
the casing closed.
Further factors that have an influence on the test values are the
measuring equipment, the system configuration, the age of the
system and the flow rates.
A confirmation of the specified output data can only be obtained
if the test conducted for this purpose is also performed in accordance with the test conditions defined in the first paragraph
of this section.
4 | WPL ACS classicwww.stiebel-eltron.com
Operation
Appliance description
3.
Appliance description
3.1
Minimum software versions
!
The following minimum software versions are required for operating the heat pump:
WPL 07 ACS classic | WPL 09 ACS classic | WPL 17 ACS classic
-- WPM: 390.09
-- MFG: V.14
-- FES: 417.05
WPL 13 ACS classic
-- WPM: 390.12
-- MFG: V.14
-- FES: 417.07
3.2
Operational characteristics
The appliance is an air | water heat pump that operates as a heating heat pump for outdoor installation. Heat is extracted from the
outdoor air at a low temperature level, and is then transferred to
the heating water at a higher temperature. The heating water can
be heated up to a flow temperature of 60 °C.
This appliance has further operational characteristics:
-- Suitable for underfloor heating systems.
-- Preferred for low temperature heating systems.
-- Extracts heat from the outdoor air even at outside temperatures of -20 °C.
-- Corrosion-protected, external casing made from hot-dipped
galvanised sheet steel plus stove-enamelled finish.
-- Filled with non-combustible safety refrigerant.
Note
The appliance may only be used in conjunction with the
following products:
-- Hydraulic module HM(S) (Trend) (BE)
-- Cylinder and hydraulic module HSBB 200 (S) (BE)
-- Integral cylinder HSBC 200 (S) (BE)
3.3
Function
Material losses
In the defrost cycle, the fan is switched off and the heat
pump circuit is reversed. The heat required for defrosting
is drawn from the buffer cylinder. For operation without
a buffer cylinder, observe chapter “Menu / Menu description / SETTINGS / HEATING / STANDARD SETTING / BUFFER OPERATION” in the WPM installation instructions. This
prevents damage to the heat pump as a result of unfavourable conditions.
Note
In winter, icicles can form on the bottom of the condensate drain. This does not interfere with the operation
of the appliance, provided the condensate can drain off
unimpeded.
The heat pump automatically reverts to heating mode at the end
of the defrost cycle.
!
Material losses
In dual mode operation, return water from the second
heat source may flow through the heat pump. Please note
that the return temperature must be no higher than 60 °C.
3.3.2 Cooling
!
Material losses
The heat pump is not suitable for continuous, year-round
cooling.
ff
Observe the application limits (see chapter "Specification / Data table").
!
Material losses
In cooling mode, condensate can form when the dew
point temperature is undershot.
ff
Take suitable measures to prevent the formation of
condensate.
Note
The HM(S) (Trend) (BE) is equipped for both area and
fan cooling.
The HSBB 200 (S) (BE) and HSBC 200 (S) (BE) can provide
area cooling.
3.3.1 Heating
Heat is extracted from the outdoor air via the heat exchanger
(evaporator) on the air side. The evaporated refrigerant is compressed by a compressor. This process requires electrical energy. At this point, the refrigerant is at a higher temperature level.
A further heat exchanger (condenser) transfers the heat to the
heating circuit. The refrigerant then expands again and the cycle
restarts from the beginning.
At air temperatures below approx. 7 °C, the humidity in the air
condenses as hoarfrost on the evaporator fins. Any hoarfrost is
automatically defrosted. The resulting water flows out of the appliance via the free condensate drain and seeps away into the
gravel bed.
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Rooms are cooled by reversing the heat pump circuit. Heat is
extracted from the heating water. The evaporator transfers this
heat to the outdoor air.
Area cooling requires the installation of the FET remote control
unit in a reference room to capture the relative humidity and the
room temperature as part of dew point monitoring.
Fan cooling requires the installation of the FE 7 / FET remote control unit in a reference room to capture the room temperature. In
addition, a buffer cylinder needs to be installed.
Heat pump application limit
The heat pump is switched off if the outside temperature falls
below the selected lower application limit for cooling (LIMIT COOLING parameter).
WPL ACS classic | 5
Operation
Settings
Settings
The system is operated exclusively with the WPM heat pump manager. The heat pump manager is installed in the products required
as accessories (see chapter “Installation / Appliance description /
Accessories”).
ff
Please observe the instructions for the heat pump manager.
Sample type plate
Maintenance and care
!
Material losses
Maintenance work, such as checking the electrical safety,
may only be carried out by a qualified contractor.
A damp cloth is sufficient for cleaning all plastic and sheet metal
parts. Never use abrasive or corrosive cleaning agents.
ff
Protect the appliance from dust and dirt ingress during
building work.
!
*xxxxxxxxxxxxxxxxxx*
5.
If you cannot remedy the fault, notify your qualified contractor. To
facilitate and speed up your request, provide the number from the
type plate. The type plate is located at the front top, on the right
or left hand side of the casing.
Material losses
Keep the air discharge and intake apertures free from
snow and leaves.
Montageanweisung beachten! Dichtheit geprüft!
Made in Germany
1
26_03_01_1736
4.
1 Number on the type plate
We recommend regular inspection (to establish the current condition of the system), and maintenance by a qualified contractor
if required (to return the system to its original condition).
6.
Troubleshooting
Fault
There is no hot
water or the
heating system
stays cold.
Cause
No power at the appliance.
Remedy
Check the fuses/MCBs in your
fuse box/distribution panel. Replace the fuses/reset the MCBs
if required. Notify your qualified
contractor if the fuses/MCBs
blow/trip again.
Condensate
collects on the
outside of the
appliance and on
the air grille.
The heat pump is extracting heat from the outdoor
air to heat the building.
This can cause the humidity in the outdoor air
to accumulate as dew or
frost on the cooled heat
pump casing. This is not
a defect.
The fan runs
At outside temperatures
when the
below 10 °C, the fan is
compressor is
regularly started at the
switched off.
lowest speed when the
compressor is idle. This
prevents the evaporator
and fan from freezing
or icing up due to water
draining off. At temperatures above the freezing
point, the time between
two defrost cycles is increased, thereby improving overall efficiency.
The appliance
Ice has formed on the air Call your qualified contractor
produces rhyth- grille, on the fan blades (see chapter “Installation / Troumic scraping or or in the air routing.
bleshooting / Fan noises”).
grinding noises.
6 | WPL ACS classicwww.stiebel-eltron.com
Installation
Safety
INSTALLATION
Safety
Only a qualified contractor should carry out installation, commissioning, maintenance and repair of the appliance.
7.1
9.
General safety instructions
We guarantee trouble-free function and operational reliability only
if original accessories and spare parts intended for the appliance
are used.
7.2
WPL 07 ACS classic | WPL 09 ACS classic
The tested appliance conforms to IEC 61000-3-3.
WPL 13 ACS classic‌ | ‌WPL 17 ACS classic
The tested appliance conforms to IEC 61000-3-12.
Appliance description
The appliance offers frost protection for the connection lines. The
integral frost protection circuit starts the circulation pump in the
heat pump circuit automatically at a condenser temperature of
8 °C, and thereby ensures circulation in all water-carrying sections. When the temperature in the buffer cylinder falls to below
+5 °C, the heat pump is automatically started subject to the outside temperature.
8.1
Standard delivery
The following are delivered with the appliance:
-- Wiring diagram
8.2
!
Instructions, standards and regulations
Note
Observe all applicable national and regional regulations
and instructions.
8.
Preparations
Accessories
D0000060163
7.
8.2.2 Further accessories
-- Remote control for heating systems FET
-- Remote control for heating systems FE7
-- High limit safety cut-out for area heating system‌STB-FB
-- Cover‌CH 1
The appliance is designed for installation on a T-support or wall
mounting support. Observe the minimum clearances. If the appliance is installed in an open space, protect the air intake side. Do
this by erecting a wall to shield it against the wind. A gravel bed
is an essential requirement for both installation versions.
9.1
Sound emissions
The appliance is louder on the air intake and air discharge sides
than on the two enclosed sides. Observe the following information
when selecting the installation location.
Note
For details regarding the sound power level, see chapter
"Specification / Data table".
-- Lawn areas and shrubs help reduce the spread of noise.
-- Sound propagation can also be reduced by installing closely
spaced palisade fencing around the appliance.
ff
Ensure that the air intake direction is the same as the dominant wind direction. Air should not be blown out against the
wind.
ff
Ensure that the air intake and air discharge are never directed towards noise-sensitive rooms of the house, e.g. bedrooms, or neighbouring houses.
ff
Avoid installation between reflective building walls. Reflecting building walls can increase the noise level.
8.2.1 Required accessories
-- T-support SK 2 or wall mounting support WK 1
With integral emergency/booster heater
-- Hydraulic module HM(S) (Trend), cylinder and hydraulic
module HSBB 200 (S) or integral cylinder HSBC 200 (S)
Without integral emergency/booster heater
-- Hydraulic module HMS Trend BE, cylinder and hydraulic
module HSBB 200 S BE or integral cylinder HSBC 200 S BE
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WPL ACS classic | 7
Installation
Preparations
9.2
Minimum clearances
9.3
Preparation of the installation location
≥800
ff
Observe chapter "Sound emissions".
ff
Ensure that the appliance is accessible from all sides.
9.3.1 Condensate drain
!
≥300
!
WARNING Injury
At temperatures below freezing point, ice may form.
ff
Do not allow the gravel bed or surrounding area to
slope downwards towards paths.
Material losses
The foundations of the building must have a damp proof
membrane.
Note
ff
Never use grit for the gravel bed.
≥200
Example: Gravel bed under T-support SK 2
1
D0000063484
>800
91_00_00_0036
ff
Never install the appliance in a recess. Two sides of the appliance must remain exposed.
ff
Maintain the minimum clearances to ensure trouble-free operation of the appliance and facilitate maintenance work.
300
a
100
≥2000
D0000057581
≥500
≥1000
1 Drainage pipe
Heat pump
WPL 07 ACS classic
WPL 09 ACS classic
WPL 13 ACS classic
WPL 17 ACS classic
a
700
700
830
830
ff
Lay a drainage pipe under the appliance to drain moisture
away from the building.
ff
Create a gravel bed below the condensate drain of the
appliance.
8 | WPL ACS classicwww.stiebel-eltron.com
Installation
Preparations
9.3.2 Siting
Example: Gravel bed under wall mounting support WK 1
Example: T-support SK 2
1
3
≥300
B
C
A
b
a
D0000065666
>800
150
1 Drainage pipe
Heat pump
WPL 07 ACS classic
WPL 09 ACS classic
WPL 13 ACS classic
WPL 17 ACS classic
a
900
900
1000
1000
b
865
865
995
995
ff
Lay a drainage pipe under the appliance to drain moisture
away from the building.
ff
Create a gravel bed below the condensate drain of the
appliance.
150
2
D0000063486
1
1 Air intake side
2 Air discharge side
3 Main wind direction
Heat pump
WPL 07 ACS classic
WPL 09 ACS classic
WPL 13 ACS classic
WPL 17 ACS classic
!
A
850
850
980
980
B
500
500
500
500
C
408
408
408
408
Material losses
The T-support may bend if the heat pump is subject to
any lateral load.
ff
Do not exert any pressure on the sides of the heat
pump.
ff
Observe the static limits of the T-support used.
To cover the supply lines, you can install a cover hood.
Note
You can install the cover hood either vertically or horizontally.
ff
Observe the installation instructions for the cover
hood.
190-400
D0000084661
200
200
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WPL ACS classic | 9
Installation
Preparations
9.4
200
D0000084662
300-400
200
Example: Wall mounting support WK 1
Note
To prevent disturbance due to structure-borne noise
transmission, never install the wall mounting support
on the external walls of living areas or bedrooms.
ff
Install the wall mounting support on a garage wall,
for example.
Note
Condensate drips from the appliance onto the floor.
ff
Observe the minimum clearance below the appliance (see chapter "Preparations / Minimum clearances").
WPM heat pump manager
A WPM heat pump manager is required to operate the appliance.
This controls the entire heating system. The heat pump manager
is installed in the products defined as required accessories (see
chapter "Installation / Appliance description / Accessories").
Buffer cylinder
Material losses
A buffer cylinder with diffusion-proof insulation is essential to enable cooling by means of fan convectors. An
emergency/booster heater must be connected.
Note
When providing cooling via an underfloor heating system
no buffer cylinder is required.
2
A buffer cylinder is recommended to ensure trouble-free appliance
operation.
1
1 Heating flow
2 Heating return
3 Wall mounting support
ff
Observe the static limits of the wall mounting support used.
To cover the supply lines, you can install a cover hood.
ff
Observe the installation instructions for the cover hood.
190-400
The buffer cylinder provides hydraulic separation of the volume
flows in the heat pump circuit and heating circuit, and also serves
as an energy source for defrosting.
ff
When operating without a buffer cylinder, observe the details specified in chapter "Minimum flow rate with individual
room control by means of FET / FE7 in systems without buffer
cylinder".
Note
For operation without a buffer cylinder, we recommend
installing an electric emergency/booster heater (DHC).
An emergency/booster heater is installed in some of the
products required as accessories (see chapter “Installation / Appliance description / Accessories”).
ff
If you do not install an emergency/booster heater,
for fault-free operation activate the WW LEARNING
FUNCTION parameter in the WPM heat pump manager.
D0000084663
200
200
9.5
!
D0000057582
3
The supply lines are all electric cables plus the heating flow and
return lines.
-- To facilitate connection to the appliance, we recommend
using flexible supply pipes/cables in the case of outdoor
installation.
ff
Use only weatherproof cables, e.g. NYY.
ff
Protect the flow and return lines against frost with sufficient
thermal insulation. Provide thermal insulation in accordance
with applicable regulations.
ff
Also protect all supply lines/cables against humidity, damage
and UV radiation by means of a conduit.
ff
Protect all pipe fixings and external wall ducts with anti-vibration insulation.
9.6
≥200
Installing the supply lines
10 | WPL ACS classicwww.stiebel-eltron.com
Installation
Installation
9.7
Preparing the electrical installation
WARNING Electrocution
Carry out all electrical connection and installation work
in accordance with national and regional regulations.
WARNING Electrocution
The connection to the power supply must be in the form
of a permanent connection. Ensure the appliance can be
separated from the power supply by an isolator that disconnects all poles with at least 3 mm contact separation.
This requirement can be met by contactors, isolators,
fuses, etc.
!
Material losses
The specified voltage must match the mains voltage.
ff
Observe the type plate.
!
Material losses
ff
Provide separate fuses for the two power circuits
(for the appliance and the control unit).
The cable cross-section must be designed for the maximum possible operating current of the appliance (see “Specification/Data
table”).
10. Installation
10.1 Transport
!
Material losses
Protect the appliance against heavy impact during
transport.
You can transport the appliance in various ways:
ff
When carrying, hold on to the narrow sides (transverse
sides) under the base plate.
ff
Slide a robust pipe through the holes at the bottom of the
appliance frame to create a handle.
The electrical data is provided in chapter “Specification”. You require a J-Y (St) 2x2x0.8 mm² cable as a BUS cable.
ff
Lay the relevant pipe cross-sections. Observe the applicable
national and regional regulations.
WPL 07 ACS classic | WPL 09 ACS classic
Fuse protec- Assignment
tion
1x B 16 A
Compressor
(single phase)
1x B 16 A
Control unit
Alternative:
1x B 16 A
1x B 16 A
Compressor
(single phase)
Control unit
If the appliance needs to be tilted during transport only do so
for a short time on one of its longitudinal sides. The longer the
appliance is tilted, the greater the distribution of refrigerant oil
in the system.
ff
Wait approx. 30 minutes before starting the appliance after it
has been tilted.
Cable cross-section
10.2 Siting
2.5 mm² for routing through a wall
1.5 mm² when routing on a wall or in an
electrical conduit on a wall
1.5 mm²
ff
When siting the appliance, observe the air discharge direction (see chapter "Preparations / Sound emissions").
ff
Mount the appliance on the T-support or wall mounting support. Observe the installation instructions for the mounting
bracket used.
WPL 13 ACS classic‌| ‌WPL 17 ACS classic
Fuse protec- Assignment
tion
1x B 25 A
Compressor
(single phase)
D0000071298
Note
The appliance includes an inverter for the variable speed
compressor. In case of a fault, inverters can cause DC
residual currents. If RCDs are provided, they have to be
type B AC/DC-sensitive.
A DC residual current can block type A RCDs.
ff
Make sure that the appliance power supply is disconnected from the fuse board/distribution panel.
Cable cross-section
4.0 mm² for routing through a wall
2.5 mm² when routing on a wall or in an
electrical conduit on a wall
4.0 mm² for routing through a wall
2.5 mm² when routing on a wall or in an
electrical conduit on a wall
1.5 mm²
ff
If you have selected a lower fuse protection for the compressor, you will need to limit the maximum power consumption.
In the COMMISSIONING / COMPRESSOR menu, adjust the
MAXIMUM CURRENT parameter. Observe the information in
the commissioning instructions for the heat pump manager.
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WPL ACS classic | 11
Installation
Installation
10.3 Flow and return connection
the screw cap by hand will secure the pipe in the connector and
push the O-ring against the pipe to seal it.
Material losses
For cooling with fan convectors, the heating flow and
heating return lines must be provided with vapour diffusion-proof insulation.
!
ff
Take the position of the heating flow and return from the following diagram:
Making the push-fit connection
The connector must be in its relaxed position before the pipe is
inserted. In this position, there is a small gap between the screw
cap and main body.
4
3
26_03_01_0693
1
2
1
1
2
3
4
D0000058375
2
Retainer
Screw cap
Gap between screw cap and main body
Main body
10.4 Fitting the push-fit connectors
Note
The plastic push-fit connectors are not suitable for installation in the DHW line or the solar circuit.
ff
Install the push-fit connectors only in the heating
circuit.
!
!
Material losses
Tighten the screw cap of the push-fit connector by hand.
Never use a tool.
Material losses
To ensure the push-fit connector is held securely, pipes
with a surface hardness > 225 HV (e.g. stainless steel)
must have a groove.
ff
Using a pipe cutter, cut a groove (depth approx. 0.1 mm) at a defined distance from the end of
the pipe.
-- Pipe diameter 22 mm: 17±0.5 mm
-- Pipe diameter 28 mm: 27.5±0.5 mm
How the push-fit connectors work
Pipe Ø
Depth of insertion A
!
22 mm
33.3 mm
Material losses
Pipe ends must be deburred.
ff
Always use a pipe cutter to trim pipes.
ff
Push the pipe through the O-ring into the push-fit connector
until it reaches the prescribed insertion depth.
ff
Tighten the screw cap by hand against main body as far as it
will go. This locks the push-fit connection.
Undoing the push-fit connection
If the push-fit connectors later need to be undone, proceed as
follows:
ff
Turn the screw cap anti-clockwise until a there is a narrow
gap of approx. 2 mm. Press the retainer back with your fingers and hold on to it.
ff
Pull out the inserted pipe.
26_03_01_0693
Cooling with a buffer cylinder
ff
Install an immersion/contact sensor in the heating flow,
downstream of the buffer cylinder.
26_03_01_0693
1 Heating flow
2 Heating return
ff
Connect the heat pump to the heating circuit. Check for
tightness.
The push-fit connectors are equipped with a retainer with stainless steel serrations and an O-ring for sealing. The push-fit connectors also have a “twist and secure” function. Simply turning
12 | WPL ACS classicwww.stiebel-eltron.com
Installation
Installation
10.5 Heating water connection
Note
The appliance offers frost protection for the connection
lines in regular operation.
In the event of prolonged power failure or when shutting
down, drain the DHW side of the appliance.
If it is not possible to detect power failures (for example
if the system is in a holiday home left vacant for extended
periods of time), the following protective measure can
be taken.
ff
Add a suitable concentration of ethylene glycol to
the fill water.
ff
Please note that antifreeze changes the density and
viscosity of the fill water.
The heat pump heating system must be connected by a qualified
contractor in accordance with the water installation diagrams,
which are part of the technical guides.
ff
Before connecting the heat pump, flush the pipework thoroughly with suitable water. Foreign bodies (e.g. welding
pearls, rust, sand, sealant, etc.) can impair the operational
reliability of the heat pump.
ff
Connect the heat pump on the heating water side. Check for
tightness.
ff
Ensure that the heating flow and return are connected
correctly.
ff
Provide thermal insulation in accordance with applicable
regulations.
ff
When sizing the heating circuit, observe the internal pressure
differential (see chapter “Specification / Data table”).
Note
With a conductivity >1000 μS/cm, desalination treatment
is recommended in order to prevent corrosion.
10.6 Oxygen diffusion
!
Material losses
Do not use open vented heating systems. Use oxygen
diffusion-proof pipes in underfloor heating systems with
plastic pipework.
In underfloor heating systems with plastic pipes that are permeable to oxygen and in open vented heating systems, oxygen
diffusion may lead to corrosion on the steel components of the
heating system (e.g. on the indirect coil of the DHW cylinder, on
buffer cylinders, steel radiators or steel pipes).
ff
In the event of oxygenation, separate the heating system between the heating circuit and the buffer cylinder.
!
Material losses
The products of corrosion (e.g. rusty sludge) can settle
in the heating system components and result in a lower
output or fault shutdowns due to reduced cross-sections.
Note
Suitable appliances for water softening, as well as for
filling and flushing heating systems, can be obtained via
trade suppliers.
10.7.2 Filling the heating system
ff
Fill the heating system on the heating side.
10.7.3 Venting the heating system
The appliance has an automatic air vent valve.
1
10.7 Filling the heating system
10.7.1 Water quality
To avoid damage as a result of scaling, it may be necessary to
soften or desalinate the fill water. The fill water limits specified
in chapter "Specification / Data table" must always be observed.
ff
Recheck these limits 8-12 weeks after commissioning, after
every refill and as part of the annual system service.
Note
ff
Never add inhibitors or other additives to the fill
water.
D0000063489
Carry out a fill water analysis before the system is filled. This
analysis may, for example, be requested from the relevant water
supply utility.
1 Automatic air vent valve
ff
Remove the hood and the EPS cover (see chapter "Troubleshooting / Checking the IWS DIP switch settings").
ff
Vent the pipework by turning the grey cap on the automatic
air vent valve.
ff
Close the automatic air vent valve after the venting process.
ff
Reattach the EPS cover and hood on the appliance.
10.8 Minimum flow rate
The minimum flow rate and the defrost energy must always be
assured (see chapter “Specification / Data table”).
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WPL ACS classic | 13
Installation
Installation
10.9 Setting the flow rate on the heating side
!
Note
We recommend installing an electric emergency/booster
heater.
An emergency/booster heater is installed in some of the
products required as accessories (see chapter “Installation / Appliance description / Accessories”).
The flow rate is set automatically via the self-regulating system
(see menu “COMMISSIONING / HEATING / SPREAD CONTROL /
STANDBY PUMP RATE” in the heat pump manager).
In heat pump mode a fixed spread between the heat pump flow
and return is set (see menu “COMMISSIONING / HEATING / SPREAD
CONTROL” in the heat pump manager).
The appliance is designed in such a way that no buffer cylinder
is required in conjunction with appropriately sized area heating
systems.
Installations with several heating circuits require a buffer cylinder
to be used.
Checking the flow rate
ff
Set parameter STANDBY PUMP RATE to 100 %.
ff
Set buffer operation to OFF.
ff
If no buffer cylinder is installed, close all controllable heating
circuits.
Minimum flow
rate
l/h
WPL 07 ACS classic 400
WPL 09 ACS classic 400
WPL 13 ACS classic 600
WPL 17 ACS classic 600
10.9.1 Minimum flow rate with individual room control by
means of FET / FE7 in systems without buffer cylinder
In the case of systems without buffer cylinder, in the menu “SETTINGS / HEATING / STANDARD SETTING”, set parameter “BUFFER
OPERATION” to “OFF”.
In such cases, one or more heating circuits in the heating system
must be left open. Ensure the minimum flow rate (see “Specification / Data table”) by means of the correspondingly opened
heating circuits (see table “Design recommendation for underfloor
heating system in the lead room”).
Note
The table applies if individual room control is installed.
Sizing recommendation for the underfloor heating system in the
lead room:
Minimum water content of the
Composite pipework 16 x 2 mm
buffer cylinder or the open cir- / clearance 10 cm
cuits
Lead room
Number of cirfloor area
cuits
l
m²
nxm
16
21
3x70
16
21
3x70
19
21
3x70
19
21
3x70
Buffer cylinder always
required
WPL 07 ACS classic No
WPL 09 ACS classic No
WPL 13 ACS classic No
WPL 17 ACS classic No
ff
The current flow rate can be called up in the menu “INFO /
HEAT PUMP / PROCESS DATA” under “WP WATER FLOW
RATE”.
ff
Compare the value with the specification (see chapter “Specification / Data table”).
ff
If the specified flow rate is not met, take suitable measures
to achieve the flow rate.
ff
If no buffer cylinder is installed, reopen all controllable heating circuits.
ff
Reset the parameters to their original values.
Recommended buffer cylinder
volume, underfloor heating
system
100
100
100
100
ff
Install the open heating circuit(s) in the lead room (room
where the external programming unit of the heat pump control unit is installed, such as in the living room). The individual room can then be controlled either with the external programming unit or indirectly by adjusting the heating curve or
the room influence.
10.9.2 Minimum flow rate for systems with a buffer cylinder
When using a buffer cylinder, in the menu “SETTINGS / HEATING / STANDARD SETTING”, set parameter “BUFFER OPERATION”
to “ON”.
Composite pipework 20 x 2.25 mm
/ clearance 15 cm
Lead room
floor area
m²
21
21
21
21
Recommended buffer cylinder
volume, radiators
100
100
100
100
Number of circuits
nxm
2x70
2x70
2x70
2x70
Activate the integral
emergency/booster
heater
yes
yes
yes
yes
10.10 External second heat source
With dual mode systems, connect the heat pump into the return
of the second heat source.
10.11 High limit safety cut-out for area heating
system
!
Material losses
In order to prevent excessively high flow temperatures
in the area heating system causing damage in the event
of a fault, install a high limit safety cut-out to limit the
system temperature.
14 | WPL ACS classicwww.stiebel-eltron.com
Installation
Electrical connection
11. Electrical connection
WARNING Electrocution
Before working on the appliance, isolate it from the
power supply at the terminal area.
1
Note
Please observe the instructions for the heat pump manager.
2
Connection work must only be carried out by a qualified contractor
and in accordance with these instructions.
Permission to connect the appliance may need to be obtained from
the local power supply utility.
11.1 Terminal area
Observe chapter "Preparing the electrical installation".
ff
For all connections, use appropriate cables in accordance
with local regulations.
D0000058264
The terminals are located in the terminal area of the appliance.
1 Terminal area
2 Strain relief
ff
Route cables and leads through the strain relief fittings.
ff
Terminate the screen at both ends of the bus cable.
ff
If you wish to use the following appliance functions, install
an electric emergency/booster heater. An emergency/booster
heater is installed in some of the products required as accessories (see chapter “Installation / Appliance description /
Accessories”).
Access to the terminal area
D0000058263
Appliance function
Mono energetic
operation
ff
Unscrew and remove the two screws.
ff
Slide the cover down.
ff
Remove the cover by pivoting it open to the right.
Effect of the electric emergency/booster
heater
If the dual mode point is undershot, the electric emergency/booster heater safeguards both the heating operation and the delivery of high DHW temperatures.
Emergency mode Should the heat pump suffer a fault that prevents its continued operation, the heating output will be covered by
the electric emergency/booster heater.
Heat-up program Where return temperatures are <25 °C, the electric emer(only for underfloor gency/booster heater must provide the necessary heat for
heating systems) screed drying.
With these low system temperatures, the drying heat
must not be provided by the heat pump, otherwise the
frost protection of the appliance can no longer be guaranteed during the defrost cycle.
Pasteurisation
To heat up the water regularly to a temperature of 60 °C
control
to protect against the growth of legionella bacteria, the
electric emergency/booster heater is started automatically when pasteurisation control is enabled.
ff
Connect the cables according to the following diagram.
ff
Earth the LV lead by inverting the screen over the cable
sheath and clamping it under the earth terminal.
Note
ff
Earth the LV lead either at the outdoor unit or at one
of the products defined as required accessories (see
chapter "Installation / Appliance description / Accessories").
ff
Then check the function of the strain relief fittings.
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WPL ACS classic | 15
Installation
Commissioning
Material losses
Strain relief fittings that are too tight may lead to a short
circuit.
ff
Never tighten them completely.
!
12. Commissioning
A WPM heat pump manager is required to operate the appliance.
All necessary adjustments prior to and during operation are made
on this device.
Only qualified contractors may make the settings in the heat pump
manager commissioning report, commission the appliance and
instruct the owner in its use.
Connection
Carry out commissioning in accordance with these operating and
installation instructions, and the instructions for the heat pump
manager. Our service department can assist with commissioning,
which is a chargeable service.
Where this appliance is intended for commercial use, the rules of
the relevant Operational Safety Ordinance must be observed at
commissioning. For further details, check with your local authorising body (e.g. TÜV).
12.1 Checks before commissioning
Before commissioning, check the following points (note the commissioning checklist):
12.1.1 Heating system
-- Have you filled the heating system to the correct pressure
and closed the automatic air vent valve?
2
1
12.1.2 Temperature sensor
-- Have you correctly positioned and connected the outside
temperature sensor and return temperature sensor (in connection with a buffer cylinder)?
3
X3
nc H L
X4
T
N L1
X2
D0000058265
12.1.3 Power supply
-- Have you correctly connected the power supply?
12.2 Operation with an external second heat source
The appliance is factory set for compressor operation with an electric emergency/booster heater. If the appliance is operated in dual
mode with an external second heat source, set the DIP switch to
"Compressor mode with external second heat source" (see chapter
"Troubleshooting / Checking the IWS DIP switch settings").
1
X3 Compressor (inverter)
L1, N,
2
X4
Control voltage
Power supply: L, N
12.3 Initial start-up
3
X2
Safety extra low voltage (BUS)
nc (not assigned)
High H
Low L
12.3.1 Heating curve adjustment
The efficiency of a heat pump decreases as the flow temperature
rises. Adjust the heating curve carefully. Heating curves that are
set too high result in the zone and thermostatic valves closing,
which may prevent the minimum flow rate required in the heating
circuit from being achieved.
ff
Please observe the instructions for the heat pump manager.
16 | WPL ACS classicwww.stiebel-eltron.com
Installation
Settings
The following steps will help you to adjust the heating curve correctly:
-- Fully open thermostatic or zone valves in a lead room (e.g.
living room and bathroom).
We do not recommend installing thermostatic or zone valves
in the lead room. Control the temperature for these rooms
via remote control.
-- At different outside temperatures (e.g. –10 °C and +10 °C),
adjust the heating curve so that the required temperature is
set in the lead room.
12.3.2 Other settings
ff
For operation with or without a buffer cylinder, observe the
information in the instructions for the WPM and parameter BUFFER OPERATION in menu SETTINGS / STANDARD
SETTING.
If using the heat-up program
When using the heat-up program, observe the information in the
commissioning instructions for the heat pump manager (chapter
“PROGRAMS / HEAT-UP PROGRAM”).
Standard values to begin with:
Parameters
Heating curve
Controller dynamics
Comfort temperature
Underfloor heating Radiator heating
system
system
0.4
0.8
10
10
20 °C
20 °C
If the room temperature is not high enough in spring and autumn
(approx. 10 °C outside temperature), go to the heat pump manager
menu under "SETTINGS / HEATING / HEATING CIRCUIT" and raise
the "COMFORT TEMPERATURE" parameter.
Note
If no remote control is installed, raising the "COMFORT
TEMPERATURE" parameter leads to a parallel offset of
the heating curve.
If the room temperature is not high enough when outside temperatures are low, increase the "HEATING CURVE RISE" parameter.
If you raise the "HEATING CURVE RISE" parameter, adjust the zone
valve or thermostatic valve in the lead room to the required temperature when outside temperatures are high.
!
Material losses
Never reduce the temperature in the entire building by
closing all zone or thermostatic valves, but by using the
setback programs.
13. Settings
13.1 Silent mode
SILENT MODE is an operating mode for air/water heat pumps in
which the sound level of the heat pump is reduced.
ff
See the data table (see chapter “Specification / Data table”)
for the sound power level when silent mode is deactivated.
You can reduce the fan speed and compressor output for a certain
time in the “COMMISSIONING / SILENT MODE / OUTPUT REDUCTION” menu.
Note
If you activate SILENT MODE, the maximum output at A-7/
W35 is reduced to 70 % as standard.
This value can be increased further or reduced to the
specified minimum value as required.
Note
When silent mode is active, operating costs will be higher.
In silent mode 2, heating and DHW heating are provided
solely via the emergency/booster heater.
ff
See the table for the maximum appliance sound levels according to the settings made in the “COMMISSIONING / SILENT MODE / OUTPUT REDUCTION / OUTPUT” menu.
Setting in the
WPM
Output restricted to
[%]
When everything has been implemented correctly, the system
can be heated to its maximum operating temperature and vented
once again.
!
Material losses
With underfloor heating systems, observe the maximum
permissible temperature for the system.
WPL 07 ACS classic
WPL 09 ACS classic
WPL 13 ACS classic
WPL 17 ACS classic
70
43
70
35
70
35
70
35
Sound power
level
Maximum value
due to output
restriction
[dB(A)]
Heating
output
Maximum at
A-7/W35
[kW]
54
52
56
52
58
57
61
57
2.23
1.38
2.65
1.38
4.96
2.76
4.96
2.76
ff
In the “PROGRAMS / SILENT PROGRAM 1” menu, set the
times when the heat pump should switch to a quieter operating mode.
www.stiebel-eltron.com
WPL ACS classic | 17
Installation
Shutdown
14. Shutdown
!
Material losses
Never interrupt the heat pump power supply, even outside the heating season. Otherwise, system frost protection is not guaranteed.
The heat pump manager automatically switches the heat
pump to summer or winter mode.
14.1 Standby mode
To shut down the appliance, simply set the heat pump manager
to "Standby mode". This way the safety functions that protect the
system remain enabled, e.g. frost protection.
14.2 Power interruption
If the system is to be isolated from the power supply permanently,
please observe the following:
!
Material losses
ff
If the heat pump and frost protection are completely
switched off, drain the system on the water side.
16. Troubleshooting
WARNING Electrocution
Before working on the appliance, isolate it from the
power supply at the control panel.
Following disconnection from the power supply, parts of
the appliance may remain energised for 2 minutes until
the inverter capacitors have discharged.
Note
Please observe the instructions for the heat pump manager.
If you cannot locate the fault using the heat pump manager, use
the controls on the IWS.
ff
Read the following sections on troubleshooting and carry out
the instructions.
16.1 Checking the IWS DIP switch settings
ff
Carry out the following steps to make the IWS accessible.
15. Maintenance
!
Material losses
Keep the air discharge and intake apertures free from
snow and ice.
D0000063487
WARNING Electrocution
ff
Prior to commencing any service or cleaning work,
isolate the appliance across all poles from the
power supply.
Following disconnection from the power supply, parts of
the appliance may remain energised for 2 minutes until
the inverter capacitors have discharged.
ff
Undo and remove the four screws on the sides of the hood.
ff
Remove the hood.
ff
Remove any leaves or other foreign bodies from the evaporator fins periodically.
D0000063488
We recommend a regular inspection (to establish the current condition of the system), and maintenance if required (to return the
system to its original condition).
ff
Unscrew and remove the four screws on the top panel.
ff
Remove the top panel.
18 | WPL ACS classicwww.stiebel-eltron.com
Installation
Troubleshooting
16.1.1 DIP switch (WP-Typ)
With the DIP switch (WP-Typ), you can set the IWS to suit the
relevant heat pump type.
1
Factory setting
Compressor mode with electric emergency/booster heater
Note
An emergency/booster heater is installed in some of the
products required as accessories (see chapter “Installation / Appliance description / Accessories”).
D0000063490
2
1
2
2
1
1 Screws to be unscrewed
2 Screws to be removed
ff
Unscrew and remove the screws.
WP - Typ
1
2
3
D0000057054
ON
4
ff
Check whether the DIP switch is set correctly.
Compressor mode with external second heat source
!
Material losses
In this case, do not connect the electric emergency/booster heater.
D0000063530
If the appliance is operated in dual mode with an external second
heat source, set the DIP switch as follows.
WP - Typ
1
2
3
D0000057055
ON
ff
Completely remove the side panel by sliding it upwards.
ff
The IWS is located above the terminal area.
4
1
16.1.2 DIP switch (BA)
2
Factory setting
BA
BA
3
D0000063997
1
2
3
4
1
2
3
4
D0000051579
ON
4
Reset button
DIP switch (WP-Typ)
DIP switch (BA)
LEDs
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WPL ACS classic | 19
Installation
Troubleshooting
16.2 LEDs (IWS)
16.4 Fan noise
The heat pump extracts heat from the outdoor air. This causes
the outdoor air to cool down. At outside temperatures of 0 °C to
8 °C, the air may be cooled to below freezing point. If, under these
conditions, precipitation occurs in the form of rain or fog, ice may
form on the air grille, the fan blades or the air routing pipes. If the
fan comes into contact with this ice, noise develops.
BA
1
D0000063997
2
1 Reset button
2 LEDs
The following table shows the meaning of the LEDs on the IWS.
LED indicator
Red LED flashes
Red LED illuminates
Green LED (centre)
flashes
Green LED (centre) illuminates
Meaning
Single fault. The appliance shuts down. The appliance restarts after 10 minutes. The LED extinguishes.
Multiple faults occurred. The appliance shuts down.
The appliance only restarts following a reset on the
IWS. The internal fault counter will then be reset.
The appliance can be restarted after 10 minutes.
The LED extinguishes.
The heat pump is initialising.
How to remedy rhythmic scratching or grinding noises:
ff
Check whether condensate can drain freely from the
appliance.
ff
Check whether the design output and temperature are set
correctly. Ice formation is particularly pronounced when
a high heating output is called for at moderate outside
temperatures.
ff
Carry out a manual defrost, repeatedly if required, until the
fan runs free again. Observe the information in the heat
pump manager instructions and the “START DEFROST” parameter in the “COMMISSIONING / COMPRESSOR” menu.
ff
At outside temperatures above + 1 °C, switch the appliance
off for around 1 hour or switch it over to emergency mode.
After this, the ice should have melted.
ff
Check whether the appliance is installed in line with the installation conditions.
ff
If noise occurs frequently, notify the service department.
The heat pump was initialised successfully and the
connection with the WPM is active.
Faults indicated by the red LED:
-- High pressure fault
-- Low pressure fault
-- Central fault
-- Hardware fault on the IWS (see fault list)
16.3 Reset button
If the IWS was incorrectly initialised, you can reset the settings
with this button.
ff
For this, also observe chapter “Reinitialising the IWS” in the
heat pump manager instructions.
20 | WPL ACS classicwww.stiebel-eltron.com
Installation
Specification
17. Specification
334
b01
d45
410
17.1 Dimensions and connections
524
504
a10
a20
g02
112
192
g01
D0000057580
109
e02
189
e01
a10
a20
b01
d45
e01
e02
g01
g02
appliance
appliance
Entry electrical cables
Condensate drain
Heating flow
Heating return
Air intake
Air discharge
www.stiebel-eltron.com
Height
Width
mm
mm
Diameter
Diameter
mm
mm
WPL 07 ACS classic WPL 09 ACS classic WPL 13 ACS classic WPL 17 ACS classic
740
740
812
812
1022
1022
1152
1152
22
22
22
22
22
22
22
22
WPL ACS classic | 21
Installation
Specification
17.2 Wiring diagram
X3
L1 N
X4
5 turns
L
Z15
N
Z15
5 turns
X11.1
1
PE Versorgung
2
X28
Z3
N Versorgung
3
Y1
L Versorgung
X11.2
1
Verdichter Schütz N
2
Verdichter Schütz L
X11.3
1
Abtauventil N
2
Abtauventil L
X11.4
1
E2
X27
Z12
Ölsumpfheizung L
X11.5
F5
1 turn
5 turns
L
Ölsumpfheizung N
2
N PE
1
PE
2
F3
>p
2
1
(
N
3
Z14
Düsenheizung
X11.6
1
2
Z13
3
U
V
X11.7
1
W PE
3
2 turns
M
1~
B
1
1
W
X29
+5V
A Modbus
B Modbus
2
1
X11.11
1 turn
3
Z14
W
2
V
1
U
1
2
3
4
M6
X11.9
bu wh bn
GND
4 turns
3
Z12
Inverterversorgung (EVU)
3
X30
X11.10
V
2
U
X11.8
1
PE GND A
A3
2
X12.11 1
M
3~
D0000061603
M1
A2
A3
B1
B2
B5
B6
B7
B8
B9
B13
B16
E2
F3
F5
M1
M6
Integral heat pump control unit (IWS)
Inverter compressor/fan
Heating flow temperature sensor - PT1000
Heating return temperature sensor - PT1000
Hot gas temperature sensor - PT1000
Outdoor air temperature sensor - PT1000
Compressor intake temperature sensor - PT1000
Evaporator discharge temperature sensor - PT1000
Frost protection temperature sensor - PT1000
Defrost end temperature sensor - PT1000
Oil sump temperature sensor - PT1000
Oil sump heater
High pressure switch 45 bar
Klixon HG compressor
Compressor motor
Fan motor
M7
M9
P1
P3
X2
X3
X4
X11.1
X11.3
X11.4
X11.5
X11.8
X12.2
X12.3
X12.4
X12.5
Stepper motor for el. expansion valve
Inverter cooling valve
High pressure sensor (42 bar)
Low pressure sensor (16 bar)
External BUS terminal
External power terminal
External control terminal
3-pin IWS plug - supply
2-pin IWS plug - defrost signal
2-pin IWS plug - oil sump
3-pin IWS plug - nozzle heating
IWS plug, inverter supply
12-pin IWS plug - temperature sensors
IWS plug, CAN bus
7-pin IWS plug - sensors
5-pin IWS plug - el. expansion valve
22 | WPL ACS classicwww.stiebel-eltron.com
2
3
4
5
X12
Installation
Specification
X2
L
X12.1
4
3
H
5 turns
Z15
2
1
X12.2
Heißgastemperatur
12
Heißgastemperatur GND
11
Heizungsrücklauftemperatur
10
Heizungsrücklauftemperatur GND
9
Außenlufttemperatur
8
Außenlufttemperatur GND
7
Verdichtereintrittstemperatur
6
Verdichtereintrittstemperatur GND
5
Verdampferausgangstemperatur
4
Verdampferausgangstemperatur GND
3
Ölsumpf
2
Ölsumpf GND
1
X12.3
2
ND 4..20mA
+12...+18V
HD 4...20mA
p
7
+12..+18V
P3
p
1
X12.4
1wh
CAN H
3
P1
6
5
4
3
1wh 2bn
CAN L
2
1
2bn
A2
(IWS IV)
CAN GND
X12.5
+12V
Phase 4
Phase 3
Phase 2
2
3
4
5
X12.10
1
2
3
4
5
6
7
X12.9
1
2
3
4
X12.8 1
T
X12.6
X12.7
X12.11
X27
X28
X29
X30
Y1
Z3
Z12
Z13
Z14
Z15
2
B1
3
T
4
3
2
1
5
Frostschutz GND
6
T
B13
+12V
Phase 4
Phase 3
Phase 2
Phase 1
5
4
3
2
1
X12.7
B9
M
M
M9
M7
T
B16
T
B8
T
B7
T
B6
T
B2
T
B5
D0000061603
X12.11 1
4
X12.6
Frostschutz
4
Abtauendefühler GND
B Modbus
3
Abtauendefühler
A Modbus
2
Heizungsvorlauf GND
+5V
1
Heizungsvorlauf
GND
Phase 1
5
5-pin IWS plug - bypass valve
6-pin IWS plug - temperature sensors
5-pin IWS plug - Modbus
Earth stud, inverter mains
Earth stud, control panel
Earth stud, control panel rear
Earth stud, inverter cooling
Diverter valve, defrost
Interference suppression filter
Suppressor element, inverter mains/compressor
Suppressor element, fan
Suppressor element, safety switch/Modbus
(only WPL 13 ACS classic, WPL 17 ACS classic)
Suppressor element, connecting cable
(only WPL 13 ACS classic, WPL 17 ACS classic)
www.stiebel-eltron.com
WPL ACS classic | 23
Installation
Specification
17.3 Application limit
D0000068576
17.3.1 Heating
X Outside temperature [°C]
Y Flow temperature [°C]
D0000068578
17.3.2 Cooling
X Outside temperature [°C]
Y Flow temperature [°C]
24 | WPL ACS classicwww.stiebel-eltron.com
Installation
Specification
17.4 Output diagrams WPL 07 ACS classic
Heating output
10
1
2
5
3
4
5
D0000068470
6
0
-20
-15
-10
X Outside temperature [°C]
Y Heating output [kW]
Cooling capacity
-5
0
5
1 Max. W55
2 Max. W45
10
15
3 Max. W35
4 Min. W55
20
5 Min. W45
6 Min. W35
3
2
1
2
0
7
9
X Flow temperature [°C]
Y Cooling capacity [kW]
www.stiebel-eltron.com
11
13
15
17
19
21
23
D0000068474
1
1 Max. A35
2 Min. A35
WPL ACS classic | 25
Installation
Specification
17.5 Output diagrams WPL 09 ACS classic
Heating output
10
1
2
5
3
4
5
D0000068471
6
0
-20
-15
-10
X Outside temperature [°C]
Y Heating output [kW]
-5
0
5
1 Max. W55
2 Max. W45
10
15
3 Max. W35
4 Min. W55
20
5 Min. W45
6 Min. W35
Cooling capacity
4
3
1
2
2
0
7
9
X Flow temperature [°C]
Y Cooling capacity [kW]
11
13
15
17
19
21
23
D0000068474
1
1 Max. A35
2 Min. A35
26 | WPL ACS classicwww.stiebel-eltron.com
Installation
Specification
17.6 Output diagrams WPL 13 ACS classic
Heating output
10
1
2
3
5
4
5
0
-20
-15
X Outside temperature [°C]
Y Heating output [kW]
www.stiebel-eltron.com
-10
-5
1 Max. W55
2 Max. W45
0
5
3 Max. W35
4 Min. W55
10
15
20
D0000077831
6
5 Min. W45
6 Min. W35
WPL ACS classic | 27
Installation
Specification
Cooling capacity
6
5
4
1
3
2
2
0
7
9
X Flow temperature [°C]
Y Cooling capacity [kW]
11
13
15
17
19
21
23
D0000068474
1
1 Max. A35
2 Min. A35
28 | WPL ACS classicwww.stiebel-eltron.com
Installation
Specification
17.7 Output diagrams WPL 17 ACS classic
Heating output
10
1
2
5
3
4
5
D0000068473
6
0
-20
-15
-10
X Outside temperature [°C]
Y Heating output [kW]
Cooling capacity
-5
0
5
1 Max. W55
2 Max. W45
10
15
3 Max. W35
4 Min. W55
20
5 Min. W45
6 Min. W35
7
6
5
1
4
3
2
2
0
7
9
X Flow temperature [°C]
Y Cooling capacity [kW]
www.stiebel-eltron.com
11
13
15
17
19
21
23
D0000068474
1
1 Max. A35
2 Min. A35
WPL ACS classic | 29
Installation
Specification
17.8 Data table
Output details apply to new appliances with clean heat exchangers.
The power consumption figures for the integral auxiliary drives are maximum values and may vary subject to operating point.
The power consumption of the integral auxiliary drives is included in the output details of the heat pump (to EN 14511).
WPL 07 ACS classic WPL 09 ACS classic WPL 13 ACS classic WPL 17 ACS classic
235920
235921
239044
235922
Heating output
Heating output at A7/W35 (min./max.)
Heating output at A2/W35 (min./max.)
Heating output at A-7/W35 (min./max.)
Heating output at A15/W55 (EN 14511)
Heating output at A15/W35 (EN 14511)
Heating output at A7/W55 (EN 14511)
Heating output at A7/W45 (EN 14511)
Heating output at A7/W35 (EN 14511)
Heating output at A2/W45 (EN 14511)
Heating output at A2/W35 (EN 14511)
Heating output at A-7/W35 (EN 14511)
Heating output at A-7/W45 (EN 14511)
Heating output at A-15/W35 (EN 14511)
Max. heating output in silent mode at A-7/W35
Heating output in silent mode at A-7/W35 (70 %)
Max. cooling capacity at A35/W7
Cooling capacity at A35/W7 partial load
Max. cooling capacity at A35/W18
Cooling capacity at A35/W18 partial load
Power consumption
Max. power consumption, fan heating
Power consumption at A15/W55 (EN 14511)
Power consumption at A15/W35 (EN 14511)
Power consumption at A7/W55 (EN 14511)
Power consumption at A7/W45 (EN 14511)
Power consumption at A7/W35 (EN 14511)
Power consumption at A2/W45 (EN 14511)
Power consumption at A2/W35 (EN 14511)
Power consumption at A-7/W35 (EN 14511)
Power consumption at A-7/W45 (EN 14511)
Power consumption at A-15/W35 (EN 14511)
Coefficient of performance
COP at A15/W55 (EN 14511)
COP at A15/W35 (EN 14511)
COP at A7/W55 (EN 14511)
COP at A7/W45 (EN 14511)
COP at A7/W35 (EN 14511)
COP at A2/W45 (EN 14511)
COP at A2/W35 (EN 14511)
COP at A-7/W35 (EN 14511)
COP at A-7/W45 (EN 14511)
COP at A-15/W35 (EN 14511)
SCOP (EN 14825)
Max. cooling capacity factor at A35/W7
Cooling capacity factor at A35/W7 partial load
Max. cooling capacity factor at A35/W18
Cooling capacity factor at A35/W18 partial load
Sound emissions
Sound power level (EN 12102)
Sound pressure level at 5 m in free field
Max. sound power level for outdoor installation
Sound power level for outdoor installation in silent mode 70 %
Max. sound power level for outdoor installation, silent mode
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
1.30/3.50
1.00/3.50
1.00/3.20
2.48
2.90
1.92
4.16
2.27
3.22
2.08
3.20
2.92
2.90
1.38
2.23
2.00
1.00
2.00
1.50
1.30/4.50
1.00/4.50
1.00/4.06
2.48
2.90
1.92
4.16
2.27
3.22
2.59
4.06
3.82
3.43
1.38
2.65
3.00
1.50
3.00
1.50
2.60/6.50
2.00/6.50
3.00/6.00
5.32
5.90
4.31
5.28
4.86
5.02
4.30
6.00
5.70
5.98
2.76
4.96
5.00
2.50
5.00
2.50
2.60/8.50
2.00/8.50
3.00/7.80
5.32
5.90
4.31
5.28
4.86
6.01
5.73
7.80
7.70
7.07
2.76
4.96
6.00
3.00
6.00
3.00
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
kW
0.03
0.75
0.49
0.74
1.23
0.50
1.14
0.55
1.14
1.22
1.18
0.03
0.75
0.49
0.74
1.23
0.50
1.14
0.70
1.49
1.64
1.42
0.1
1.68
1.05
1.58
1.52
1.02
1.71
1.08
2.05
2.32
2.26
0.1
1.68
1.05
1.58
1.52
1.02
2.06
1.44
2.68
2.93
2.84
3.31
5.92
2.59
3.37
4.54
2.82
3.75
2.81
2.39
2.46
4.23
2.15
2.38
3.12
3.56
3.31
5.92
2.59
3.37
4.54
2.82
3.72
2.72
2.33
2.41
4.15
1.62
2.38
3.12
3.56
3.17
5.62
2.73
3.47
4.76
2.94
3.97
2.92
2.45
2.65
4.63
1.73
2.40
2.88
3.28
3.17
5.62
2.73
3.47
4.76
2.92
3.97
2.92
2.63
2.49
4.48
1.73
2.40
2.88
3.28
52
30
58
54
52
52
30
60
56
52
57
35
63
58
57
57
35
66
61
57
dB(A)
dB(A)
dB(A)
dB(A)
dB(A)
30 | WPL ACS classicwww.stiebel-eltron.com
Installation
Specification
WPL 07 ACS classic WPL 09 ACS classic WPL 13 ACS classic WPL 17 ACS classic
Application limits
Min. application limit on the heating side
Max. application limit on heating side
Min. application limit, heat source
Max. application limit, heat source
Energy data
Energy efficiency class
Electrical data
Max. power consumption without emergency/booster heater
Rated voltage, compressor
Rated voltage, control unit
Compressor phases
Control unit phases
Compressor fuse protection
Control unit fuse protection
Starting current
Max. operating current
Versions
Refrigerant
Refrigerant charge
CO2 equivalent (CO2e)
Global warming potential of the refrigerant (GWP100)
IP rating
Condenser material
Dimensions
Height
Width
Depth
Weights
Weight
Connections
Connection, heating flow/return
Heating water quality requirements
Water hardness
pH value (with aluminium fittings)
pH value (without aluminium fittings)
Conductivity (softening)
Conductivity (desalination)
Chloride
Oxygen 8-12 weeks after filling (softening)
Oxygen 8-12 weeks after filling (desalination)
Values
Heating flow rate (EN 14511) at A7/W35, B0/W35 and 5 K
Nominal flow rate of heating system at A-7/W35 and 5 K
Min. heating flow rate
Nominal internal pressure drop, heating
Flow rate on heat source side
Permissible operating pressure, heating circuit
°C
°C
°C
°C
15
60
-20
40
15
60
-20
40
15
60
-20
40
15
60
-20
40
A+/A++
A+/A++
A+/A++
A+/A++
2.2
230
230
1/N/PE
1/N/PE
1 x B 16
1 x B 16
5
9.6
2.2
230
230
1/N/PE
1/N/PE
1 x B 16
1 x B 16
5
9.6
4.6
230
230
1/N/PE
1/N/PE
1 x B 25
1 x B 16
7
20.0
4.6
230
230
1/N/PE
1/N/PE
1 x B 25
1 x B 16
7
20.0
R410A
1.1
2.3
2088
IP 14B
1.4401/Cu
R410A
1.1
2.3
2088
IP 14B
1.4401/Cu
R410A
2
4.18
2088
IP 14B
1.4401/Cu
R410A
2
4.18
2088
IP 14B
1.4401/Cu
mm
mm
mm
740
1022
524
740
1022
524
812
1152
524
812
1152
524
kg
62
62
91
91
22 mm
22 mm
22 mm
22 mm
μS/cm
μS/cm
mg/l
mg/l
mg/l
≤3
8.0-8.5
8.0-10.0
<1000
20-100
<30
<0.02
<0.1
≤3
8.0-8.5
8.0-10.0
<1000
20-100
<30
<0.02
<0.1
≤3
8.0-8.5
8.0-10.0
<1000
20-100
<30
<0.02
<0.1
≤3
8.0-8.5
8.0-10.0
<1000
20-100
<30
<0.02
<0.1
m³/h
m³/h
m³/h
hPa
m³/h
MPa
0.4
0.55
0.4
75
1300
0.3
0.4
0.70
0.4
122
1300
0.3
0.8
1.34
0.6
149
2200
0.3
0.8
1.34
0.6
149
2200
0.3
kW
V
V
A
A
A
A
kg
t
°dH
Further details
Maximum altitude for installation
www.stiebel-eltron.com
m
WPL 07 ACS classic
235920
2000
WPL 09 ACS classic
235921
2000
WPL 13 ACS classic
239044
2000
WPL 17 ACS classic
235922
2000
WPL ACS classic | 31
GUARANTEE | ENVIRONMENT AND RECYCLING
Guarantee
The guarantee conditions of our German companies do not
apply to appliances acquired outside of Germany. In countries
where our subsidiaries sell our products a guarantee can only
be issued by those subsidiaries. Such guarantee is only granted if the subsidiary has issued its own terms of guarantee. No
other guarantee will be granted.
We shall not provide any guarantee for appliances acquired in
countries where we have no subsidiary to sell our products.
This will not affect warranties issued by any importers.
Environment and recycling
We would ask you to help protect the environment. After use,
dispose of the various materials in accordance with national
regulations.
32 | WPL ACS classicwww.stiebel-eltron.com
NOTES
www.stiebel-eltron.com
WPL ACS classic | 33
NOTES
34 | WPL ACS classicwww.stiebel-eltron.com
NOTES
www.stiebel-eltron.com
WPL ACS classic | 35
Deutschland
STIEBEL ELTRON GmbH & Co. KG
Dr.-Stiebel-Straße 33 | 37603 Holzminden
Tel. 05531 702-0 | Fax 05531 702-480
info@stiebel-eltron.de
www.stiebel-eltron.de
Verkauf
Tel. 05531 702-110 | Fax 05531 702-95108 | info-center@stiebel-eltron.de
Kundendienst
Tel. 05531 702-111 | Fax 05531 702-95890 | kundendienst@stiebel-eltron.de
Ersatzteilverkauf Tel. 05531 702-120 | Fax 05531 702-95335 | ersatzteile@stiebel-eltron.de
Australia
France
Austria
STIEBEL ELTRON SAS
7-9, rue des Selliers
B.P 85107 | 57073 Metz-Cédex 3
Tel. 0387 7438-88 | Fax 0387 7468-26
info@stiebel-eltron.fr
www.stiebel-eltron.fr
Slovakia
TATRAMAT - ohrievače vody s.r.o.
Hlavná 1 | 058 01 Poprad
Tel. 052 7127-125 | Fax 052 7127-148
info@stiebel-eltron.sk
www.stiebel-eltron.sk
Switzerland
STIEBEL ELTRON Ges.m.b.H.
Gewerbegebiet Neubau-Nord
Margaritenstraße 4 A | 4063 Hörsching
Tel. 07221 74600-0 | Fax 07221 74600-42
info@stiebel-eltron.at
www.stiebel-eltron.at
Hungary
STIEBEL ELTRON Kft.
Gyár u. 2 | 2040 Budaörs
Tel. 01 250-6055 | Fax 01 368-8097
info@stiebel-eltron.hu
www.stiebel-eltron.hu
STIEBEL ELTRON AG
Industrie West
Gass 8 | 5242 Lupfig
Tel. 056 4640-500 | Fax 056 4640-501
info@stiebel-eltron.ch
www.stiebel-eltron.ch
Belgium
Japan
Thailand
STIEBEL ELTRON bvba/sprl
't Hofveld 6 - D1 | 1702 Groot-Bijgaarden
Tel. 02 42322-22 | Fax 02 42322-12
info@stiebel-eltron.be
www.stiebel-eltron.be
China
STIEBEL ELTRON (Tianjin) Electric Appliance
Co., Ltd.
Plant C3, XEDA International Industry City
Xiqing Economic Development Area
300085 Tianjin
Tel. 022 8396 2077 | Fax 022 8396 2075
info@stiebeleltron.cn
www.stiebeleltron.cn
Czech Republic
STIEBEL ELTRON spol. s r.o.
K Hájům 946 | 155 00 Praha 5 - Stodůlky
Tel. 251116-111 | Fax 235512-122
info@stiebel-eltron.cz
www.stiebel-eltron.cz
Finland
STIEBEL ELTRON OY
Kapinakuja 1 | 04600 Mäntsälä
Tel. 020 720-9988
info@stiebel-eltron.fi
www.stiebel-eltron.fi
4<AMHCMO=cfbad >
NIHON STIEBEL Co. Ltd.
Kowa Kawasaki Nishiguchi Building 8F
66-2 Horikawa-Cho
Saiwai-Ku | 212-0013 Kawasaki
Tel. 044 540-3200 | Fax 044 540-3210
info@nihonstiebel.co.jp
www.nihonstiebel.co.jp
Netherlands
STIEBEL ELTRON Asia Ltd.
469 Moo 2 Tambol Klong-Jik
Amphur Bangpa-In | 13160 Ayutthaya
Tel. 035 220088 | Fax 035 221188
info@stiebeleltronasia.com
www.stiebeleltronasia.com
United Kingdom and Ireland
STIEBEL ELTRON Nederland B.V.
Daviottenweg 36 | 5222 BH 's-Hertogenbosch
Tel. 073 623-0000 | Fax 073 623-1141
info@stiebel-eltron.nl
www.stiebel-eltron.nl
STIEBEL ELTRON UK Ltd.
Unit 12 Stadium Court
Stadium Road | CH62 3RP Bromborough
Tel. 0151 346-2300 | Fax 0151 334-2913
info@stiebel-eltron.co.uk
www.stiebel-eltron.co.uk
Poland
United States of America
STIEBEL ELTRON Polska Sp. z O.O.
ul. Działkowa 2 | 02-234 Warszawa
Tel. 022 60920-30 | Fax 022 60920-29
biuro@stiebel-eltron.pl
www.stiebel-eltron.pl
STIEBEL ELTRON, Inc.
17 West Street | 01088 West Hatfield MA
Tel. 0413 247-3380 | Fax 0413 247-3369
info@stiebel-eltron-usa.com
www.stiebel-eltron-usa.com
Russia
STIEBEL ELTRON LLC RUSSIA
Urzhumskaya street 4,
building 2 | 129343 Moscow
Tel. 0495 7753889 | Fax 0495 7753887
info@stiebel-eltron.ru
www.stiebel-eltron.ru
Irrtum und technische Änderungen vorbehalten! | Subject to errors and technical changes! | Sous réserve
d‘erreurs et de modifications techniques! | Onder voorbehoud van vergissingen en technische wijzigingen! |
Salvo error o modificación técnica! | Excepto erro ou alteração técnica | Zastrzeżone zmiany techniczne i
ewentualne błędy | Omyly a technické změny jsou vyhrazeny! | A muszaki változtatások és tévedések jogát
fenntartjuk! | Отсутствие ошибок не гарантируется. Возможны технические изменения. | Chyby a
technické zmeny sú vyhradené!
Stand 9375
A 325103-41128-9437
B 321765-41128-9437
STIEBEL ELTRON Australia Pty. Ltd.
6 Prohasky Street | Port Melbourne VIC 3207
Tel. 03 9645-1833 | Fax 03 9645-4366
info@stiebel.com.au
www.stiebel.com.au
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