Baxi PBS-i WH2 Series User manual

MW-3000529-01
en
User guide
Reversible air/water "Split Inverter" heat pump
PBS-i WH2
SYSMGR PBS-iWH2 4.5–8H
SYSMGR PBS-iWH2 4.5–8MRE
SYSMGR PBS-iWH2 11–16H
SYSMGR PBS-iWH2 11–16MRE
SYSMGR PBS-iWH2 11–16TRE

Dear Customer,
Thank you very much for buying this appliance.
Please read through the manual carefully before using the product, and keep it in a safe place for later reference. In order to
ensure continued safe and efficient operation we recommend that the product is serviced regularly. Our service and customer
service organisation can assist with this.
We hope you enjoy years of problem-free operation with the product.

Contents
1 Safety instructions and recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2 General instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.3 Electrical safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1.4 Refrigerant safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.5 Domestic water safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1.6 Hydraulic safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1.7 Recommendations for operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1.8 Specific instructions for service, maintenance and breakdowns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
1.9 Liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2 Symbols used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1 Symbols used in the manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
2.2 Symbols used on the appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.3 Symbols used on the data plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1 Homologations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1.1 Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
3.2 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
3.2.1 Heat pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2.2 Heat pump weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.2.3 Combination heaters with medium-temperature heat pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.2.4 Circulating pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4 Description of the product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.1 Main components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.2 Operating principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.3 Control panel description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.3.1 Description of the keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.3.2 Description of the display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
5 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
5.1 Use of the control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.1.1 Browsing in the menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.2 Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
5.3 Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.3.1 Switching off the heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.3.2 Shutting down the cooling function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5.4 Frost Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
6 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.1 Modifying the User parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.2 User menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.2.1 User \CIRCA and CIRCB menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
6.2.2 User \DHW menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.2.3 User \EHC–04 menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.2.4 User \HMI menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.3 COUNTERS /TIME PROG / CLOCK menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.3.1 COUNTERS, TIME PROG, CLOCK \CNT menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.3.2 COUNTERS, TIME PROG, CLOCK \CIRCA, CIRCB and DHW menus . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.3.3 COUNTERS, TIME PROG, CLOCK \CLK menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.4 Setting the parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.4.1 Setting the room temperature set point in comfort mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
6.4.2 Activating Forcing of the cooling function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
6.4.3 Activating Manual Forcing for heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
6.4.4 Setting the timer programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.2 Check the hydraulic pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
7.3 Cleaning the casing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Contents
7706698 - v04 - 17102018 AWHP-2 PBS-i 3

7.4 Standard inspection and maintenance operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
8 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
8.1 Error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
8.1.1 Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
8.1.2 Fault codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
8.1.3 Alarm codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
8.2 Accessing the error memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
8.3 Fault finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
9 Decommissioning and disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
9.1 Decommissioning procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
9.2 Disposal and recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
10 Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
10.1 Energy savings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
11 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
11.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
11.2 Terms of warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
12 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
12.1 Product fiche . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
12.2 Product fiche - Temperature Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
12.3 Package fiche . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
12.4 Package fiche - Combination heaters (boilers or heat pumps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Contents
4 AWHP-2 PBS-i 7706698 - v04 - 17102018

1 Safety instructions and recommendations
1.1 Safety
Operation Danger
This appliance can be used by children aged from 8 years
and above and persons with reduced physical, sensory or
mental capabilities or lack of experience and knowledge if
they have been given supervision or instruction concerning
use of the appliance in a safe way and understand the haz
ards involved. Children shall not play with the appliance.
Cleaning and user maintenance shall not be made by children
without supervision.
Electrical Before any work on the appliance, carefully read all documents that accompa
ny the product. These documents are also available on our website. See the
last page.
Install the appliance in accordance with national rules on electrical installation.
A disconnection device must be fitted to the permanent pipes in accordance
with installation rules.
If a power supply cable comes with the appliance and it turns out to be dam
aged, it must be replaced by the manufacturer, its after sales service or per
sons with similar qualifications in order to obviate any danger.
If the appliance is not wired in the factory, carry out the wiring according to the
wiring diagram described in the chapter Electrical Connections. See the Instal
lation and Service Manual.
This appliance must be connected to the protective earthing.
Earthing must comply with the prevailing installation standards.
Earth the appliance before making any electrical connections.
Type and calibre of the protective equipment: refer to the chapter Recommen
ded cable cross-sections. See the Installation and Service Manual.
To connect the appliance to the electricity mains, refer to the chapter Electrical
Connections. See the Installation and Service Manual.
In order to prevent any danger owing to the unexpected reset of the thermal
circuit breaker, this appliance must not be powered through an external switch,
such as a timer, or be connected to a circuit which is regularly switched on and
off by the electricity provider.
Hydraulics Caution
Respect the minimum and maximum water pressure and tem
perature to ensure the appliance operates correctly. See
chapter on Technical Specifications.
Installation Important
Allow the space required to install the appliance correctly, re
ferring to the chapter Dimensions of the Appliance. See the
Installation and Service Manual.
1 Safety instructions and recommendations
7706698 - v04 - 17102018 AWHP-2 PBS-i 5

1.2 General instructions
The system must satisfy each point in the rules in force in the country that
govern works and interventions in individual homes, blocks of flats or other
buildings.
Only qualified professionals are authorised to work on the appliance and
the heating installation. They must respect prevailing local and national
regulations during fitting, installation and maintenance of the installation.
Commissioning must be performed by a qualified professional.
1.3 Electrical safety
Before making any electrical connections, earth the appliance in
accordance with prevailing standards.
Danger
Danger of electric shock: the length of the conductors between the
traction arrester device and the terminal blocks must be such that
the active conductors are put under tension before the earth
conductor.
Only qualified professionals may carry out electrical connections, always
with the power off.
Separate the very low voltage cables from the 230/400 V circuit cables.
1.4 Refrigerant safety
Warning
Refrigerant fluid and pipes:
Use only R410A refrigerant fluid to fill the installation.
Use tools and pipe components especially designed for use with
R410A refrigerant fluid.
Use copper pipes deoxidised with phosphorus to carry the
refrigerant fluid.
Store the refrigerant connection pipes away from dust and
humidity (risk of damage to the compressor).
Do not use a load cylinder.
Protect the heat pump components, including the insulation and
structural elements. Do not overheat the pipes as brazed
components may cause damage.
Contact between the refrigerant fluid and a flame may result in
emissions of toxic gases.
All work on the refrigeration circuit must be done by a qualified
professional, according to prevailing codes of practice and safety in the
profession (recovery of the refrigerant, brazing under nitrogen). All brazing
work must be done by qualified welders.
Do not touch the refrigeration connection pipes with your bare hands while
the heat pump is running. Danger of burn or frost injury.
In the event of a refrigerant leakage:
1. Switch off the appliance.
2. Open the windows.
3. Do not use a naked flame, do not smoke, do not operate electrical
contacts.
4. Avoid contact with the refrigerant. Danger of frost injuries.
Locate the probable leak and seal it immediately. Use only original parts to
replace a defective refrigeration component.
Use only dehydrated nitrogen for detecting leaks or for pressurised tests.
Do not allow the refrigerant fluid to escape into the atmosphere.
1 Safety instructions and recommendations
6 AWHP-2 PBS-i 7706698 - v04 - 17102018

1.5 Domestic water safety
In accordance with safety rules, a safety valve calibrated to 0.7 MPa (7
bar) is mounted on the tank's domestic cold water inlet.
A pressure reducer (not provided) is required when the supply pressure
exceeds 80% of the safety valve or safety unit calibration and must be
located upstream of the appliance.
There must be no cut-off devices between the safety valve or unit and the
domestic hot water tank.
The hydraulic installation must be capable of handling a minimum flow rate
at all times.
Heating water and domestic water must not come into contact with each
other. Domestic water must not circulate through the exchanger.
Limit temperature at the draw-off point: the maximum domestic hot water
temperature at the draw-off point is subject to special regulations in the
various countries in which the appliance is sold in order to protect the
user. These special regulations be observed when installing the appliance.
Take precautions with the domestic hot water. Depending on the heat
pump settings, the domestic hot water temperature may exceed 65°C.
In order to limit the risk of being scalded, a thermostatic mixing valve must
be installed on the domestic hot water flow pipes.
1.6 Hydraulic safety
When making the hydraulic connection, it is imperative that the standards
and corresponding local directives be respected.
If radiators are connected directly to the heating circuit: install a differential
valve between the indoor module and the heating circuit.
Fit drainage valves between the indoor module and the heating circuit.
Do not add any chemical products to the heating water without first
consulting a water treatment specialist. For example: antifreeze, water
softeners, products to increase or reduce the pH value, chemical additives
and/or inhibitors. These may cause faults in the heat pump and damage
the heat exchanger.
1.7 Recommendations for operation
The frost protection function does not work if the heat pump is switched
off.
If the home is unoccupied for a long period and there is a risk of frost,
drain the indoor module and the heating system.
Keep the heat pump accessible at all times.
Never remove or cover the labels and data plates affixed to appliances.
Labels and data plates must be legible throughout the entire lifetime of the
appliance.
Immediately replace damaged or illegible instructions and warning
stickers.
Give preference to the OFF or frost protection mode rather than switching
off the system to leave the following functions running:
Anti blocking of pumps
Frost Protection
Regularly check the presence of water and pressure in the heating
system.
Do not touch radiators for long periods. Depending on the heat pump
settings, the temperature of the radiators may exceed 60°C.
Do not drain the installation, except in cases of absolute necessity. E.g.:
several months' absence with the risk of temperatures in the building
falling below freezing.
1 Safety instructions and recommendations
7706698 - v04 - 17102018 AWHP-2 PBS-i 7

1.8 Specific instructions for service, maintenance and breakdowns
Maintenance work must be carried out by a qualified professional.
Only a qualified professional is authorised to set, correct or replace the
safety devices.
Before any work, switch off the mains electricity to the heat pump, the
indoor unit and the hydraulic or electrical back-up if present.
Wait for approx. 20-30 seconds for the outdoor unit capacitors to be
discharged, and check that the lights on the outdoor unit PCBs have gone
out.
Before working on the refrigeration circuit, switch off the appliance and
wait a few minutes. Certain items of equipment such as the compressor
and the pipes can reach temperatures in excess of 100°C and high
pressures, which may cause serious injuries.
Locate and correct the cause of power cut before resetting the safety
thermostat.
Only genuine spare parts may be used.
Removal and disposal of the heat pump must be carried out by a qualified
professional in accordance with prevailing local and national regulations.
After maintenance or repair work, check the entire heating system to
ensure that there are no leaks.
Remove the casing only to perform maintenance and repair work. Put the
casing back in place after maintenance and repair work.
The user must make sure the refrigerant pipes are checked annually for
leaks for any heat pump with a charge greater than 5 tonnes of CO2
equivalent.
1.9 Liabilities
Manufacturer's liability Our products are manufactured in compliance with the requirements of the various Directives appli
cable. They are therefore delivered with the marking and any documents necessary. In the inter
ests of the quality of our products, we strive constantly to improve them. We therefore reserve the
right to modify the specifications given in this document.
Our liability as manufacturer may not be invoked in the following cases:
Failure to abide by the instructions on installing the appliance.
Failure to abide by the instructions on using the appliance.
Faulty or insufficient maintenance of the appliance.
Installer's liability The installer is responsible for the installation and initial commissioning of the appliance. The instal
ler must observe the following instructions:
Read and follow the instructions given in the manuals provided with the appliance.
Install the appliance in compliance with prevailing legislation and standards.
Carry out initial commissioning and any checks necessary.
Explain the installation to the user.
If maintenance is necessary, warn the user of the obligation to check the appliance and keep it in
good working order.
Give all the instruction manuals to the user.
User's liability To guarantee optimum operation of the system, you must abide by the following instructions:
Read and follow the instructions given in the manuals provided with the appliance.
Call on a qualified professional to carry out installation and initial commissioning.
Get your installer to explain your installation to you.
Have the required inspections and maintenance carried out by a qualified installer.
Keep the instruction manuals in good condition close to the appliance.
1 Safety instructions and recommendations
8 AWHP-2 PBS-i 7706698 - v04 - 17102018

2 Symbols used
2.1 Symbols used in the manual
This manual uses various danger levels to draw attention to special
instructions. We do this to improve user safety, to prevent problems and to
guarantee correct operation of the appliance.
Danger
Risk of dangerous situations that may result in serious personal
injury.
Danger of electric shock
Risk of electric shock.
Warning
Risk of dangerous situations that may result in minor personal
injury.
Caution
Risk of material damage.
Important
Please note: important information.
See
Reference to other manuals or pages in this manual.
2.2 Symbols used on the appliance
1Alternating current
2Protective earthing
3Before installing and commissioning the appliance, carefully read
the instruction manuals provided.
4Dispose of used products through an appropriate recovery and
recycling structure.
5Caution: danger of electric shock, live parts. Disconnect the mains
power prior to carrying out any work.
2.3 Symbols used on the data plate
1Information concerning the heat pump: refrigerant type, maximum
allowable operating pressure
2The symbol indicates compatibility with the Mago connected
thermostat.
3Information on the electrical back-up: power supply and maximum
output (only for versions with electrical back-up)
4Before installing and commissioning the appliance, carefully read
the instruction manuals provided
5Dispose of used products in an appropriate recovery and recycling
structure
Fig.1
1 2
MW-2000068-1
1
2
3
4
5
Fig.2
MW-1001191-2
1 2 3
4 5
2 Symbols used
7706698 - v04 - 17102018 AWHP-2 PBS-i 9

3 Technical specifications
3.1 Homologations
3.1.1 Directives
This product complies with the requirements of the following European
Directives and Standards:
Pressure Equipment Directive 2014/68/EU
Low Voltage Directive 2014/35/EU
Generic standard: EN 60335-1
Relevant standards: EN 60335-2-21, EN 60335-2-40
Electromagnetic Compatibility Directive 2014/30/EU
Generic standards: EN 61000-6-3, EN 61000-6-1
Relevant Standard: EN 55014
This product conforms to the requirements of European Directive
2009/125/EC on the ecodesign of energy-related products.
In addition to the legal requirements and guidelines, the supplementary
guidelines in this manual must also be followed.
Supplements or subsequent regulations and guidelines that are valid at
the time of installation shall apply to all regulations and guidelines
specified in this manual.
3.2 Technical data
3.2.1 Heat pump
The specifications are valid for a new appliance with clean heat
exchangers.
Maximum operating pressure: 0.3 MPa (3 bar)
Tab.1 Conditions of use
AWHP 4.5 MR AWHP 6 MR-3 AWHP 8 MR-2
Limit water operating temperatures in heating mode +18 °C/+55 °C +18 °C/+60 °C +18 °C/+60 °C
Limit outdoor air operating temperatures in heating mode -15 °C/+35 °C -15 °C/+35 °C -20 °C/+35 °C
Limit water operating temperatures in cooling mode for
uninsulated models
+18 °C/+25 °C +18 °C/+25 °C +18 °C/+25 °C
Limit water operating temperatures in cooling mode for in
sulated models
+7 °C / +25 °C +7 °C / +25 °C +7 °C / +25 °C
Outdoor air operating temperature limits in cooling mode +7 °C/+46 °C +7 °C/+46 °C +7 °C/+46 °C
Tab.2 Conditions of use
AWHP 11 MR-2
AWHP 11 TR-2
AWHP 16 MR-2
AWHP 16 TR-2
Limit water operating temperatures in heating mode +18 °C/+60 °C +18 °C/+60 °C
Limit outdoor air operating temperatures in heating mode -20 °C/+35 °C -20 °C/+35 °C
Limit water operating temperatures in cooling mode for uninsulated models +18 °C/+25 °C +18 °C/+25 °C
Limit water operating temperatures in cooling mode for insulated models +7 °C / +25 °C +7 °C / +25 °C
Outdoor air operating temperature limits in cooling mode +7 °C/+46 °C +7 °C/+46 °C
3 Technical specifications
10 AWHP-2 PBS-i 7706698 - v04 - 17102018

Tab.3 Heating mode: outside air temperature +7 °C, water temperature at the outlet +35 °C. Performances in accordance
with EN 14511-2.
Measure
ment type
Unit AWHP 4.5
MR
AWHP 6
MR-3
AWHP 8
MR-2
AWHP 11
MR-2
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
Heat output kW 4.60 5.79 8.26 11.39 11.39 14.65 14.65
Coefficient
of Perform
ance (COP)
5.11 4.05 4.27 4.65 4.65 4.22 4.22
Absorbed
electrical
power
kWe 0.90 1.43 1.93 2.45 2.45 3.47 3.47
Nominal wa
ter flow rate
(ΔT = 5 K)
m3/hour 0.88 1.13 1.53 1.96 1.96 2.53 2.53
Tab.4 Heating mode: outside air temperature +2 °C, water temperature at the outlet +35 °C. Performances in accordance
with EN 14511-2.
Measure
ment type
Unit AWHP 4.5
MR
AWHP 6
MR-3
AWHP 8
MR-2
AWHP 11
MR-2
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
Heat output kW 3.47 3.65 5.3 10.19 10.19 12.90 12.90
Coefficient
of Perform
ance (COP)
3.97 3.23 3.46 3.20 3.20 3.27 3.27
Absorbed
electrical
power
kWe 0.88 1.13 1.53 3.19 3.19 3.94 3.94
Tab.5 Cooling mode: outside air temperature +35 °C, water temperature at the outlet +18 °C. Performances in accordance
with EN 14511-2.
Measure
ment type
Unit AWHP 4.5
MR
AWHP 6
MR-3
AWHP 8
MR-2
AWHP 11
MR-2
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
Cooling out
put
kW 3.80 4.69 7.90 11.16 11.16 14.46 14.46
Energy effi
ciency ratio
(EER)
4.28 4.09 3.99 4.75 4.75 3.96 3.96
Absorbed
electrical
power
kWe 0.89 1.15 2.00 2.35 2.35 3.65 3.65
Tab.6 Common specifications
Measure
ment type
Unit AWHP 4.5
MR
AWHP 6
MR-3
AWHP 8
MR-2
AWHP 11
MR-2
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
Power sup
ply voltage
of the out
door unit
V 230 230 230 230 400 230 400
Start-up
amperage
A 5 5 5 5 3 6 3
Maximal
amperage
A 12 13 17 29.5 13 29.5 13
Refrigerant
fluid R410A
kg 1.3 1.4 3.2 4.6 4.6 4.6 4.6
R410A re
frigerant(1)
tCO2e 2.714 2.923 6.680 9.603 9.603 9.603 9.603
3 Technical specifications
7706698 - v04 - 17102018 AWHP-2 PBS-i 11

Measure
ment type
Unit AWHP 4.5
MR
AWHP 6
MR-3
AWHP 8
MR-2
AWHP 11
MR-2
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
Refrigerant
connection
(Liquid -
Gas)
inch 1/4 - 1/2 1/4 - 1/2 3/8 - 5/8 3/8 - 5/8 3/8 - 5/8 3/8 - 5/8 3/8 - 5/8
Max. pre-
charged
length
m 7 10 10 10 10 10 10
(1) The quantity of refrigerant in CO2 equivalent is calculated using the following formula: quantity (in kg) of refrigerant x GWP / 1000. The
Global-Warming Potential (GWP) of R410A gas is 2088.
3.2.2 Heat pump weight
Tab.7 Indoor module
Indoor module Unit SYSMGR PBS-iWH2 4.5–8H SYSMGR PBS-iWH2 4.5–8MRE
Weight (empty) kg 38.2 36.7
Tab.8 Indoor module
Indoor module Unit SYSMGR PBS-iWH2 11–
16H
SYSMGR PBS-iWH2 11–
16MRE
SYSMGR PBS-iWH2 11–
16TRE
Weight (empty) kg 38.2 36.7 36.7
Tab.9 Outdoor unit
Outdoor
unit
Unit AWHP 4.5
MR
AWHP 6
MR-3
AWHP 8
MR-2
AWHP 11
MR-2
AWHP 11
TR-2
AWHP 16
MR-2
AWHP 16
TR-2
Weight
(empty)
kg 54 42 75 118 130 118 130
3.2.3 Combination heaters with medium-temperature heat
pump
Tab.10 Technical parameters for heat pump combination heaters (parameters declared for medium-temperature application)
Product name AWHP-2 PBS-i
AWHP 4.5 MR
AWHP-2 PBS-i
AWHP 6 MR-3
Air-to-water heat pump Yes Yes
Water-to-water heat pump No No
Brine-to-water heat pump No No
Low-temperature heat pump No No
Equipped with a supplementary heater Yes Yes
Heat pump combination heater No No
Rated heat output under average conditions(1)
Prated kW 4 4
Rated heat output under colder conditions Prated kW 5 4
Rated heat output under warmer conditions Prated kW 4 5
Declared capacity for heating for part load at an
indoor temperature of 20 °C and outdoor temper
ature Tj
Tj = -7 °C Pdh kW 3.8 3.5
Tj = +2°C Pdh kW 4.3 4.5
Tj = +7 °C Pdh kW 4.5 4.8
Tj = +12 °C Pdh kW 5.5 5.2
Tj = bivalent temperature Pdh kW 3.9 3.6
3 Technical specifications
12 AWHP-2 PBS-i 7706698 - v04 - 17102018

Product name AWHP-2 PBS-i
AWHP 4.5 MR
AWHP-2 PBS-i
AWHP 6 MR-3
Tj = operation limit temperature Pdh kW 3.9 3.6
Bivalent temperature Tbiv °C -10 -10
Degradation coefficient(2)
Cdh — 1.0 1.0
Seasonal space heating energy efficiency under
average conditions
ƞs % 134 137
Seasonal space heating energy efficiency under
colder conditions
ƞs % 109 116
Seasonal space heating energy efficiency under
warmer conditions
ƞs % 179 172
Declared coefficient of performance or primary
energy ratio for part load at an indoor tempera
ture of 20 °C and outdoor temperature Tj
Tj = -7 °C COPd - 1.64 1.89
Tj = +2 °C COPd - 3.46 3.53
Tj = +7 °C COPd - 4.96 4.74
Tj = +12 °C COPd - 7.90 7.08
Tj = bivalent temperature COPd - 1.20 1.52
Tj = operation limit temperature COPd - 1.20 1.52
Operation limit temperature for air-to-water
heat pumps
TOL °C -10 -10
Heating water operating limit temperature WTOL °C 55 60
Electrical power consumption
Off mode POFF kW 0.009 0.009
Thermostat-off mode PTO kW 0.049 0.049
Stand-by PSB kW 0.009 0.015
Crankcase heater mode PCK kW 0.000 0.055
Supplementary heater
Rated heat output Psup kW 0.0 0.0
Type of energy input Electricity Electricity
Other specifications
Capacity control Variable Variable
Sound power level, indoors - outdoors LWA dB 52.9 – 61 48.4 – 64.8
Annual energy consumption under average
conditions
QHE kWh 2353 2124
Annual energy consumption under colder con
ditions
QHE kWh 4483 3721
Annual energy consumption under warmer
conditions
QHE kWh 1249 1492
Rated air flow rate, outdoors for air-to-water
heat pumps
—m3/h 2100 2100
(1) The rated heat output Prated is equal to the design load for heating Pdesignh , and the rated heat output of a supplementary heater
Psup is equal to the supplementary capacity for heating sup(Tj) .
(2) If Cdh is not determined by measurement, the default degradation coefficient is Cdh = 0.9.
Tab.11 Technical parameters for heat pump combination heaters (parameters declared for medium-temperature application)
Product name AWHP-2 PBS-i
AWHP 8 MR-2
AWHP-2 PBS-i
AWHP 11
MR-2
AWHP 11
TR-2
AWHP-2 PBS-i
AWHP 16
MR-2
AWHP 16
TR-2
Air-to-water heat pump Yes Yes Yes
Water-to-water heat pump No No No
Brine-to-water heat pump No No No
3 Technical specifications
7706698 - v04 - 17102018 AWHP-2 PBS-i 13

Product name AWHP-2 PBS-i
AWHP 8 MR-2
AWHP-2 PBS-i
AWHP 11
MR-2
AWHP 11
TR-2
AWHP-2 PBS-i
AWHP 16
MR-2
AWHP 16
TR-2
Low-temperature heat pump No No No
Equipped with a supplementary heater Yes Yes Yes
Heat pump combination heater No No No
Rated heat output under average conditions(1)
Prated kW 6 6 9
Rated heat output under colder conditions Prated kW 6 4 7
Rated heat output under warmer conditions Prated kW 6 8 13
Declared capacity for heating for part load at an
indoor temperature of 20 °C and outdoor temper
ature Tj
Tj = -7 °C Pdh kW 5.6 5.9 9.0
Tj = +2 °C Pdh kW 2.9 5.3 6.5
Tj = +7 °C Pdh kW 6.4 9.0 12.9
Tj = +12 °C Pdh kW 4.3 7.7 10.0
Tj = bivalent temperature Pdh kW 5.2 6.3 8.8
Tj = operation limit temperature Pdh kW 5.2 6.3 8.8
Bivalent temperature Tbiv °C -10 -10 -10
Degradation coefficient(2)
Cdh — 1.0 1.0 1.0
Seasonal space heating energy efficiency under
average conditions
ƞs % 129 125 121
Seasonal space heating energy efficiency under
colder conditions
ƞs % 119 113 113
Seasonal space heating energy efficiency under
warmer conditions
ƞs % 169 167 161
Declared coefficient of performance or primary
energy ratio for part load at an indoor tempera
ture of 20 °C and outdoor temperature Tj
Tj = -7 °C COPd - 1.95 1.87 1.85
Tj = +2 °C COPd - 3.22 3.17 3.02
Tj = +7 °C COPd - 4.57 4.54 4.34
Tj = +12 °C COPd - 6.55 6.19 5.75
Tj = bivalent temperature COPd - 1.70 1.20 1.35
Tj = operation limit temperature COPd - 1.70 1.20 1.35
Operation limit temperature for air-to-water
heat pumps
TOL °C -10 -10 -10
Heating water operating limit temperature WTOL °C 60 60 60
Electrical power consumption
Off mode POFF kW 0.009 0.009 0.009
Thermostat-off mode PTO kW 0.049 0.023 0.035
Stand-by PSB kW 0.014 0.023 0.023
Crankcase heater mode PCK kW 0.055 0.055 0.055
Supplementary heater
Rated heat output Psup kW 0.0 0.0 0.0
Type of energy input Electricity Electricity Electricity
Other specifications
Capacity control Variable Variable Variable
Sound power level, indoors - outdoors LWA dB 53.3 – 66.7 53.3 – 68.8 53.3 – 68.5
Annual energy consumption under average
conditions
QHE kWh 3499 3999 5861
3 Technical specifications
14 AWHP-2 PBS-i 7706698 - v04 - 17102018

Product name AWHP-2 PBS-i
AWHP 8 MR-2
AWHP-2 PBS-i
AWHP 11
MR-2
AWHP 11
TR-2
AWHP-2 PBS-i
AWHP 16
MR-2
AWHP 16
TR-2
Annual energy consumption under colder con
ditions
QHE kWh 4621 3804 5684
Annual energy consumption under warmer
conditions
QHE kWh 1904 2580 4120
Rated air flow rate, outdoors for air-to-water
heat pumps
—m3/h 3300 6000 6000
(1) The rated heat output Prated is equal to the design load for heating Pdesignh , and the rated heat output of a supplementary heater
Psup is equal to the supplementary capacity for heating sup(Tj) .
(2) If Cdh is not determined by measurement, the default degradation coefficient is Cdh = 0.9.
See
The back cover for contact details.
3.2.4 Circulating pump
Important
The benchmark for the most efficient circulating pumps is EEI ≤
0.20.
3 Technical specifications
7706698 - v04 - 17102018 AWHP-2 PBS-i 15

4 Description of the product
4.1 Main components
1Automatic air vent
2(HMI) user interface
3Location of the data plate
4.2 Operating principle
The outdoor unit produces heat or cold and transfers it to the indoor
module via the refrigerant in the plate exchanger.
The indoor module is equipped with a specific control system which is
used to adjust the temperature of the heating water to the needs of the
home.
4.3 Control panel description
4.3.1 Description of the keys
1
h
: back to the previous level without saving the modifications
made
: manual reset
2: accessing the heating parameters
: lowering the value
3: accessing the domestic hot water parameters
: raising the value
4: MODE display
: accessing the menu selected or confirming the value
modification
Fig.3 Main components
MW-5000771-1
1
2
3
Fig.4
MW-1000043-5
1 2 3 4
4 Description of the product
16 AWHP-2 PBS-i 7706698 - v04 - 17102018

4.3.2 Description of the display
Hydraulic back-up
Hydraulic back-up in demand
Electrical back-up
Stage 1 of the electrical back-up
Stage 2 of the electrical back-up
Status of the Compressor
Steady symbol: compressing running
Operating modes
Steady symbol: heating function enabled
Flashing symbol: heating production running
Steady symbol: domestic hot water function enabled
Flashing symbol: domestic hot water production running
Heating or cooling function disabled
Domestic hot water function disabled
Hydraulic pressure in the system
The display alternates between the hydraulic pressure for the system and
the measured flow temperature.
Steady symbol: displayed when indicating the system's hydraulic
pressure value
Flashing symbol: pressure in the system too low
XXX Pressure value in the system (in bar) or flow temperature (in °C)
Cooling mode
Steady symbol: cooling mode on
Flashing symbol: cooling request pending
Fig.5
MW-1000669-2
Fig.6
MW-1000665-2
Fig.7
MW-5000012-3
Fig.8
MW-1000083-5
Fig.9
MW-5000037-4
Fig.10
MW-5000015-3
4 Description of the product
7706698 - v04 - 17102018 AWHP-2 PBS-i 17

Menu display
Information menu: displays the measured values and the statuses
of the appliance
User menu: provides access to the User level setting parameters
Installer menu: provides access to the Installer level setting
parameters
Manual Forcing menu: the appliance runs at the set point
displayed, the pumps operate and the three-way valves are not
controlled.
Malfunction menu: the appliance has malfunctioned. This
information is signalled by an error code and a flashing display.
Sub-Menu COUNTERS
TIME PROG sub-menu: Timer programming dedicated to
heating and domestic hot water production
Sub-Menu CLOCK
PCB selection menu: access to information on the additional PCBs
connected
Display of PCB names
The name of the PCB for which the parameters are displayed is
scrolling across the screen on 3 characters.
Central unit PCB EHC-04: direct circuit and domestic hot water
Additional PCB SCB-04 : 2nd circuit
COUNTERS / TIME PROG / Sub-Menus CLOCK
COUNTERS sub-menu (CNT)
TIME PROG sub-menu: Timer programming dedicated to
heating and domestic hot water production (CIRC A, CIRC B,
ECS)
Timer program for Monday
Timer program for Tuesday
Timer program for Wednesday
Timer program for Thursday
Timer program for Friday
Timer program for Saturday
Timer program for Sunday
CLOCK sub-menu (CLK)
Fig.11
Fig.12
MW-1000670-1
Fig.13
MW-1000754-2
...EHC / --04...
Fig.14
MW-1000687-1
...SCB / 04- / B...
Fig.15
MW-1000575-2
4 Description of the product
18 AWHP-2 PBS-i 7706698 - v04 - 17102018

Temperature sensors
Room temperature sensor connected:
fixed symbol for WINTER mode,
flashing symbol for SUMMER mode.
Outside temperature sensor connected:
fixed symbol for WINTER mode,
flashing symbol for SUMMER mode.
Other Information
Test Menu: forced operation in heating and cooling mode
Three-way valve connected
Three-way valve closed
Three-way valve open
Pump running
Fig.16
MW-5000014-4
Fig.17
MW-5000038-4
4 Description of the product
7706698 - v04 - 17102018 AWHP-2 PBS-i 19

5 Operation
5.1 Use of the control panel
5.1.1 Browsing in the menus
Press any key to turn on the backlight for the control panel screen.
If no key is pressed within 3 minutes, the control panel backlight will go
out.
Press the 2 right-hand keys together to access the different menus:
Tab.12 Menus available
Information menu
User menu
Installer menu
Manual Forcing menu
Malfunction menu
COUNTERS sub-menu
TIME PROG sub-menu
CLOCK sub-menu
PCB selection menu
Important
The icon is displayed only if an optional PCB has
been installed.
Important
The different menus are only accessible when the icons flash.
Press the key to:
access the next menu,
access the next sub-menu,
access the next parameter,
increase the value.
Press the key to:
access the previous menu,
access the previous sub-menu,
access the previous parameter
decrease the value.
Press the confirmation key to confirm:
a menu,
a sub-menu,
a parameter,
a value.
When the temperature is displayed, briefly pressing the back key
h
will
return to the time display.
5.2 Start-up
1. Switch on the outdoor unit and the indoor module.
2. The heat pump begins its start-up cycle.
If the start-up cycle runs normally, an automatic venting cycle is
initiated. Otherwise, an error message is displayed.
Fig.18
MW-2000369-1
Fig.19
MW-1000576-2
Fig.20
MW-2000370-2
Fig.21
MW-2000371-1
5 Operation
20 AWHP-2 PBS-i 7706698 - v04 - 17102018