Steinbach Waterpower 5000 User manual

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User manual
speedheat
Waterpower 5000
speedheat
Art.Nr.: 00-49200 / BP-50HS-A
speedheat
Waterpower 8500
speedheat
Art.Nr.: 00-49205 / BP-85HS-A

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Contents.
1. General warnings and information for the addressee. .........................................................5
1.1. Service Processing ..................................................................................................................5
1.2. Warranty...............................................................................................................................6
1.2.1. General conditions. .....................................................................................................6
1.2.2. Special conditions........................................................................................................6
1.2.3. Restrictions. .................................................................................................................6
1.3. Symbol key...........................................................................................................................7
1.4. Safety regulations for heated pools.....................................................................................7
1.5. Energy savings. ...................................................................................................................7
1.6. General information. ............................................................................................................7
1.7. Definitions. ...........................................................................................................................8
2. Product presentation. ...............................................................................................................8
2.1. Product scope. .....................................................................................................................8
2.2. Composition. ........................................................................................................................9
3. Technical specifications.........................................................................................................10
4. Installation................................................................................................................................11
4.1. Inspection...........................................................................................................................11
4.2. Handling. ............................................................................................................................11
4.3. Positioning..........................................................................................................................11
4.3.1. Support and its location.............................................................................................11
4.3.2. Necessary clearance.................................................................................................12
4.3.3. Noise wave echo. ......................................................................................................12
4.4. Disposal. ............................................................................................................................12
4.4.1. General instructions. .................................................................................................12
4.4.2. Heat pump decommissioning....................................................................................12
4.4.3. Electric/electronic waste disposal. ............................................................................13
4.5. Hydraulic connections........................................................................................................13
4.5.1. Warnings....................................................................................................................13
4.5.2. Installation hydraulic layout. ......................................................................................13
4.6. Electrical connections. .......................................................................................................14
4.7. Commissioning, preliminary checks. .................................................................................15
4.7.1. Commissioning, precautions. ....................................................................................15
4.7.2. First start-up, preliminary checks. .............................................................................15
5. Operations and use.................................................................................................................16
5.1. Introduction. .......................................................................................................................16
5.2. Control panel use...............................................................................................................16
5.2.1. Turning on the heat pump. ........................................................................................16
5.2.2. Standby......................................................................................................................16
5.2.3. Turning off the heat pump. ........................................................................................16
5.2.4. Starting the heat pump. .............................................................................................17
5.2.5. Operating mode selection. ........................................................................................17
5.2.6. Set temperature regulation........................................................................................17
5.2.7. Minimum working temperature and restart temperature. .........................................17
5.2.8. Automatic start settings. ............................................................................................18
5.2.9. Automatic standby settings. ......................................................................................18
5.2.10. Manual defrost...........................................................................................................19
5.2.11. Key lock. ....................................................................................................................19
5.2.12. Sensor temperature display. .....................................................................................19
5.3. Manometer use. .................................................................................................................20
6. Control and safety devices. ...................................................................................................21
6.1. Control devices. .................................................................................................................21
6.1.1. Ambient and pool temperature sensors. ...................................................................21
6.1.2. Flow sensor. ..............................................................................................................21
6.2.
Safety devices....................................................................................................................21

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6.2.1. Compressor and plate heat exchanger temperature sensors. .................................21
6.2.2. High pressure sensor. ...............................................................................................21
6.2.3. Low pressure sensor. ................................................................................................22
7. Routine, scheduled and extraordinary maintenance. .........................................................23
7.1. User controls. .....................................................................................................................23
7.2. Specialised technician controls. ........................................................................................23
7.3. Winter protection................................................................................................................23
7.4. Spring commissioning........................................................................................................23
7.5. Troubleshooting. ................................................................................................................23
8. Spare parts. ..............................................................................................................................27

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1. General warnings and information for the addressee.
1.1. CE declaration.
Business name:
Shott International S.r.l.
Via delle Pezze, 35
35013 CITTADELLA (PD) - ITALY
Tel. [phone]
Fax. [phone]
C.F. 03529990289– P.IVA 03529990289
Cap. Soc.  250.000,00 i.v. – R.E.A. n. 317778
Iscritta al n. 03529990289 Reg. Imprese di Padova
e-mail: [e-mail]
http:\\www.shott.it
Description and identification of the machinery:
Heat pump
BP-35WS-B, BP-50WS-B, BP-50HS-A, BP-85HS-A, BP-100HS-A BP-160HS-A
The machinery is fulfils all the relevant provisions of these Directives:
– 2004/108/EC Electromagnetic compatibility (EMC)
– 2006/95/EC Low Voltage (LVD)
– 2002/96/EC Waste electrical and electronic equipment (WEEE)
– 2002/95/EC Use of certain hazardous substances in electrical and electronic equipment (RoHs)
Reference to the harmonised standards used:
EN 60335-1:2002+A11:2004+A1:2004+ A2:2006+A12:2006
EN 60335-2-40+A11:2004+A12:2005+A1:2006
EN 55014-1-2006
EN 55014-2:1997+A1:2001
EN 61000-3-2:2006
EN 61000-3-3:1995+A1:2001+A2:2005
Place and date of the declaration:
26/03/2009
The identity and signature of the person empowered to draw up the declaration on behalf of the
manufacturer or his authorised representative:
Astolfi Radames
speedheat
Waterpower 5000
speedheat
Art.Nr.: 00-49200 / BP-50HS-A
speedheat
Waterpower 8500
speedheat
Art.Nr.: 00-49205 / BP-85HS-A
1.1. Service Processing
For technical information, missing parts or in the case of a complaint, please contact our customer service:
Important note: On the pump label of your heat pump is a production number shown, please provide
this number in the case of a complaint.
Steinbach VertriebsgmbH, Aistingerstrasse 2, 4311 Schwertberg, AUSTRIA
Tel. Austria: [phone] 111 (0,145€ per minute from all networks)
Tel. Germany: (0180) 5 405 100 111 (0,14€ per minute from landline, mobile radio max. 0,42€ per minute)
e-mail: [email protected], www.steinbach.at

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1.2. Warranty.
1.2.1. General conditions.
i. In accordance with these provisions, the dealer guarantees that the Product under
this warranty (“the Product”) does not have any conformity defect upon delivery.
ii. The Product Warranty Period is two (2) years, effective upon delivery to the
purchaser.
iii. In the event of Product conformity defects and the purchaser informs the dealer
during the Warranty period, the dealer must repair or replace the Product at
his/her own expense and at the site deemed most suitable, unless this is
impossible or out of proportion.
iv. Should the Product be irreparable or irreplaceable, the purchase may request a
proportionate price reduction or, if the conformity defect is sufficiently important,
the termination of the sales contract.
v. Parts replaced or repaired under this warranty do not extend the length of the
original Product warranty but are covered by their own warranty.
vi. To validate this warranty, the purchaser must provide proof of Product purchase
and purchase date.
vii. Should the purchaser find conformity defects six months after delivery, the
purchaser must prove the origin and existence of the defect found.
viii. The Warranty Certificate does not restrict or compromise consumer rights
provided by mandatory national regulations.
1.2.2. Special conditions.
i. This warranty covers the products referred to in this manual.
ii. This Warranty Certificate in only applicable in EU member countries.
iii. To validate this warranty, the purchaser must strictly follow the instructions
provided by the Manufacturer in the documents that accompany the Product when
applicable according to Product range and model.
iv. Should a schedule be specified for the replacement, maintenance or cleaning of
some Product parts or components, the warranty is only considered valid if this
schedule is correctly observed.
1.2.3. Restrictions.
i. This warranty is only applicable to consumer sales where a "consumer" is the
person who purchases the Product for purposes not pertinent to his/her
profession.
ii. The warranty does not cover normal wear due to Product use. As for parts,
components and/or replaceable or consumable materials such as batteries, light
bulbs, etc., that instructed in the documentation that accompanies the Product
shall be observed.
iii. The warranty does not cover the cases in which the Product:
a. was subject to incorrect treatment;
b. was subject to repairs, maintenance or tampering by unauthorised personnel;
c. was repaired and equipped with unoriginal parts.
Should the Product conformity defect be consequent to incorrect installation or
commissioning procedure, this warranty shall only be applicable when this
installation or commissioning procedure is included in the Product sales contract
and performed by the dealer or under his/her authority.

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1.3. Symbol key.
Indicates hazardous situations and warnings. The manual parts marked by this symbol
must be read with the utmost care.
Indicates that work must not be performed on live electrical equipment. This work can
begin after taking safety measures.1
1.4. Safety regulations for heated pools2.
During normal swimming activities, 26÷30 [°C] water temperature is recommended. 38 [°C]
water temperature is only considered safe for adults in good health conditions. The utmost
caution is recommended for use by children.
Pool temperature must never exceed 40 [°C].
Do not drink alcoholic beverages before, after and while swimming. Alcohol consumption
may cause drowsiness, loss of consciousness and consequent drowning.
Swimming in pools with temperatures over 38 [°C] is not recommended for pregnant
women. Excessively hot water could damage the foetus, especially during the first
trimester, causing deformities or brain damage.
Before entering the pool, always check water temperature with a precision thermometer.
Temperature regulated by the heat pump guarantees approximately ±3 [°C] precision.
People who suffer from diabetes, heart disease, circulatory or blood pressure problems
should consult a physician before entering heated pools.
If taking drugs that induce drowsiness (i.e.: tranquillizers, antihistamines or
anticoagulants), avoid swimming in heated pools.
Prolonged immersion in hot water may cause hyperthermia3, while immersion in cold water
may cause hypothermia4, with symptoms such as: Dizziness, fainting, drowsiness,
lethargy5. Consequences of hyperthermia and hypothermia may be: unawareness of
imminent danger, lack of heat or cold perception, failure to recognise the need to exit the
pool, physical inability to exit the pool, damages to foetus for pregnant women,
unconsciousness with consequent drowning risks.
1.5. Energy savings.
The heat pump slowly heats pool water. For weekend use, keeping pool temperature at
the desired value even when not in use is recommended. If temperature is allowed to
drastically reduce, several days may be required to restore the desired temperature. In the
event of prolonged pool disuse (more than one week), turning off the heat pump or
reducing the set temperature by several degrees is recommended to save energy.
The difference between the ambient temperature and water temperature should never be
over 15 [°C]. For this reason, do not use the heat pump when the ambient temperature is
under 15 [°C]. Please see Paragraph 5.2.7.
For improved energy savings, using the automatic start and stop functions is
recommended. Please see Paragraph 5.2.8 and Paragraph 5.2.9.
Once the ideal water temperature is set, use the key lock function to prevent changes to
the set temperature and/or prevent other adjustments. Please see Paragraph 5.2.11.
Protect the pool from wind.
When the pool is not in use, cover it with a tarp to limit heat dispersion.
1.6. General information.
SERIES BP heat pumps are devices accessible to the public and were designed to heat
and cool water intended for home pools.
1 This symbol may be found on the labels on SERIES BP heat pumps:
2 Guidelines for safe recreational water environments - VOLUME 2 - SWIMMING POOLS AND SIMILAR
ENVIRONMENTS - WORLD HEALTH ORGANIZATION 2006.
3 Increase in body temperature over physiological limits, maximum limit 37 [°C].
4 Decrease in body temperature over physiological limits, minimum limit 35 [°C].
5 State of inactivity or lack of reactivity that nears unconsciousness.

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SERIES BP heat pumps must not be used with other heating systems such as electric
heaters.
This manual provides instructions for the installation and use of SERIES BP heat pumps.
Carefully read this manual before installation. Failure to observe the manual instructions
may cause personal or property damages or damage the heat pump.
Failure to observe the instructions in this manual immediately null and voids the warranty.
Steinbach VertriebsgmbH is not liable for any damages due to improper heat pump use.
The manual must be kept integral and in good conditions. It must accompany the heat
pump until it is decommissioned.
In the event of malfunctions, consult the instruction manual and, if necessary, contact
specialised technicians.
Installation and maintenance must be performed by qualified technicians unless otherwise
indicated in the manual.
Initial system commissioning must only be performed by specialised technicians.
Working on the heat pump when connected to the electrical mains is strictly prohibited.
Only begin work after taking the safety measures.
The heat pump is not suited for people (even children) who suffer from physical, sensorial
or mental handicaps or people who do not have sufficient experience or training unless
instructed on heat pump use and assisted by a person in charge of their safety. Supervise
children to ensure they do not play with the device.
Steinbach VertriebsgmbH continually strives to improve all types and models. We trust the
user will understand the technical modifications Steinbach VertriebsgmbH reserves the
right to make on the shape and fittings on SERIES BP heat pumps.
1.7. Definitions6.
Power cord: flexible cord, for power supply, attached to the device.
Tool: Screwdriver, coin or any other object that can be used to move a screw or similar
fastening device.
Protection device: Device whose operations prevent hazardous situations in abnormal
operating conditions.
Contact switch disconnection: Disconnection of both power conductors with a single
contact opening action.
Heat pump: device that absorbs heat at a given temperature and releases it at a higher
temperature.
Heat exchanger: device specifically designed to transfer heat between two physically
separate fluids.
Compressor: device specifically designed to increase fluid pressure.
Evaporator: heat exchanger where coolant is vaporised by heat absorption.
Pressure limiter device: mechanism that automatically responds to a set pressure,
interrupting the operations of the element that controls pressure.
Device accessible to the public: device intended to be installed in homes or commercial
buildings.
Installation manual: document intended for specialised technicians that illustrates how to
commission and maintain the heat pump.
User manual: document intended for the end user that illustrates how to use the heat
pump.
Necessary clearance: minimum heat pump installation area.
2. Product presentation.
2.1. Product scope.
SERIES BP heat pumps were designed to heat and cool water intended for home pools.
6 Definitions in accordance with regulation CEI EN 60335.

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2.2. Composition.
1 Fan protection net
2 Body
3 Display
4 Refrigerant charge valve (inside for BP-35WS-B)
5 Pressure manometer
6 Water outlet
7 Power cord
8 Water inlet
9 Heat exchanger
10 Fan
11 Compressor
12 Pressure sensor
13 Heat exchanger
14 Water sensor
15 Four way valve7
16 Ambient sensor8
17 Plate heat exchanger temperature sensor9
Figure 1: Main heat pump parts. 18 Flow sensor
7 Not included in model BP-xxWS-B (xx=35, 50).
8 Not included in model BP-xxWS-B (xx=35, 50).
9 Not included in model BP-xxWS-B (xx=35, 50).

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3. Technical specifications.
Model
Unit of
measure BP-35WS-B BP-50WS-B BP-50HS-A BP-85HS-A BP-100HS-A BP-160HS-A
Thermal power (heating)9[kW] 3.5 5.0 5.0 8.5 10.5 17.0
Refrigerant power (cooling) [kW ] -10 4.3 6.8 8.5
Absorbed power11 [kW ] 0.7 5 1.0 1.0 1.7 2.1 3.5
Absorbed current12 [A] 3.8 5.5 5.5 7.9 9.8 16
Power voltage13
[V]
[Hz]
220-240
50
COP
(Coefficient Of Performance) [ ] 5.0 5.0 4.2 5.0 5.0 5.0
ERR (Energy Efficient Ratio) [ ] -14 3.6 4.0 4.0 4.0
Refrigerant - R410A
Refrigerant gas quantity [kg] 0.75 0.85 1.30 1.60 2.85
Prot ection grade at water input - IPX4
Number of compressors - 1
Compressor type - Rotary
Heat exchanger - Titanium
Minimum water flow [m3/h] 2.5 3 3.5 4.0 6.5
Hydraulic connections [mm] 50
Number of fans - 1
Absorbed power by fan [W] 70 85 100 220
Fan RPM [RPM] 830 900 850 800
Fan air flow direction Horizontal
Fan air flow [m3/h] 1200 1600 2000 3400
Noise [dB(A)] 50 51 53 54 60
Dimensions (L/D/H) [mm] 760x270x470 955x305x565 1005x305x610 1120x430x790
Net/gross weight [kg] 34/38 51/54 54/57 63/67 114/124
The difference between the ambient temperature and water temperature should
never be over 15 [°C]. For this reason, do not use the heat pump when the ambient
temperature is under 15 [°C].
10 Variable according to ambient conditions.
11 Operating mode not included.
12 Variable according to ambient conditions.
13 Variable according to ambient conditions.
14 Single phase alternating current.
15 Operating mode not included.

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4. Installation.
The heat pump must be installed and commissioned by specialised technicians and in keeping
with current national system regulations.
Installation must be conducted evaluating all the specific site factors: vicinity and height of
walls, public accessibility, etc.
4.1. Inspection.
Upon receiving the heat pump, check packaging integrity. The machine should come with
complete manuals, for the user and for installation.
4.2. Handling.
The unit is equipped with suitable protections to protect the heat pump for any damages
during handling. Avoid exerting pressure on the sides of the packaging.
Once the heat pump is unpacked, avoid exerting pressure on the body, plate heat
exchanger and fan protection net. See Figure 1.
4.3. Positioning.
The heat pump must be positioned by specialised technicians and in keeping with current
national system regulations.
The heat pump must be carefully positioned considering the following aspects:
•Dimensions and origin of hydraulic tubes.
•Location of the power supply.
•Support and its location.
•Necessary clearance.
•Noise wave and vibration echo.
•Condensation discharge.
4.3.1. Support and its location.
The heat pump must be installed outdoors. It cannot be installed indoors and
must be at least 3.5 [m] from the pool surface (zone 216).
During normal operations, the heat pump plate heat exchanger produces
condensation. The amount of condensation produced varies according to
ambient conditions. The higher the air humidity, the higher the amount of
condensation produced. The heat pump comes with a condensation drain.
Make sure there are no obstacles to condensation draining.
The heat pump must be positioned to avoid damages attributable to any water or
condensation leaks. If necessary, install suitable discharge outlets or collection
containers.
The heat pump must be installed on a solid and level support (cement slab or
prefabricated platform). Avoid positioning the heat pump on instable ground. In this
case, installing a suitably dimensioned support slab or platform is recommended.
The support surface must be slightly tilted to promote correct rain water and
condensation draining from the device base.
Support surface inclination must be a maximum of 2%.
Make sure the pump is not subject to rain water flows from nearby building roofs.
Protruding roofs without gutters could pour significant amounts of water and/or
debris on the heat pump which could damage it. If necessary, install gutters or
discharge outlets to protect the heat pump.
If the heat pump is installed under the pool level, any water leaks could cause
significant water leaks or floods. Steinbach VertriebsgmbH is not liable for any
of said leaks, floods or consequent damages.
Make sure the heat pump is not within the range of action of any irrigation systems.
If necessary, install suitable protections.
16 See CEI 64-8/7 for pool zone classifications.

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4.3.2. Necessary clearance.
Minimum clearance required for heat pump installation is illustrated in the following
figure.
Figure 2: Clearance required for correct installation.
Clearance guarantees accessibility during SERIES BP heat pump maintenance and
operations.
Avoid hot air from circulating between machine distribution and suction. See Figure
2. For this purpose, avoid all situations in which there could be an obstacle to the
free flow of air produced by the fan. Specifically, pay careful attention to the
direction of strong winds in the heat pump installation area. Strictly avoid installing
the heat pump where the direction of strong wind is contrary to heat pump flow.
4.3.3. Noise wave echo.
SERIES BP heat pumps were designed with special attention to noise and
vibrations. Retail or accessory shock absorbers can be used to diminish vibrations
and noise.
Figure 3: Shock absorber supports.
To diminish noise wave echoes, avoid positioning the pump in the immediate
vicinity of vertical walls.
4.4. Disposal.
4.4.1. General instructions.
Collecting recyclable material, both those used for packaging (cardboard, nylon,
etc.) and those replaced during routine and extraordinary maintenance is
recommended.
Suitable collection of waste material for recycling, processing and environmentally
compatible disposal contributes in avoiding possible negative effects on the
environment and health and promote the reuse and/or recycling of device materials.
Illicit product disposal by the user may be punishable by current national laws.
4.4.2. Heat pump decommissioning.
When the unit reaches the end of its working life and must be removed and/or
replaced, follow the instructions below:
o Refrigerant gas must be collected by specialised technicians and sent to
collection centres.
o Compressor lubricant oil must be collected by specialised technicians and
sent to collection centres.

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o The body and various parts, if unusable, should be dismantled and divided
according to their material type (for example, copper, aluminium, plastic,
etc.) and must be sent to collection centres.
4.4.3. Electric/electronic waste disposal.
In keeping “Implementation of Directives 2002/95/CE, 2002/96/CE and
2003/108/CE” on the reduction of the use of hazardous substances in
electric and electronic material as well as waste disposal. The barred bin
symbol on the equipment or packaging indicates that the product must
be separated from other waste at the end of its working life. Therefore,
the user must take equipment to electronic and electro-technical waste collection
centres at the end of its working life or return it to the dealer when purchasing similar
new equipment, on a one to one basis. Suitable collection of decommissioned
equipment for recycling, processing and environmentally compatible disposal
contributes in avoiding possible negative effects on the environment and health and
promote the reuse and/or recycling of device materials. Illicit product disposal by the
user may be punishable by current national laws.
4.5. Hydraulic connections.
4.5.1. Warnings.
The heat pump hydraulic connections must be performed by specialised technicians
and in keeping with current national system regulations.
During hydraulic connections, avoid using free flames near or within the heat pump.
The following retail components are recommended for hydraulic connections:
• Cut-off valves upstream and downstream from the heat pump to facilitate
maintenance and/or heat pump bypass from the pool hydraulic system.
• Hydraulic circuit charge and drain valve for the heat pump.
• Hydraulic circuit bypass valve, see Figure 6.
• Mechanical filter upstream from the heat pump, usually a sand filter.
• Non-return valve, installed between the pool and the heat pump output fitting,
to prevent water reflux.
Tubes that have the same diameter of the heat pump inlet and outlet are
recommended for upstream and downstream heat pump connections.
During periods of heat pump disuse, for example, during the winter, drain water
from the heat pump circuit and heat pump.
Chemical dosing devices, when applicable, must be installed downstream from the
heat pump and non-return valve. This prevent chemically saturated water reflux
which could damage the heat pump.
4.5.2. Installation hydraulic layout.
The hydraulic circuit where the heat pump is installed must be created observing
the following general layout.
Swimming pool
Chemical regulator
Non-return valve
Heat pump
Filter
Pump
Swimming pool
Figure 4: General hydraulic circuit layout.

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The pump must be hydraulically connected with PVC tubes with 50 [mm] external
diameters. Tubes must be inserted in the fittings for about 1÷2 [cm] and secured
with the supplied fast connections.
Figure 5: Hydraulic connections.
The hydraulic circuit is usually created as illustrated in the following figure.
Figure 6: Typical hydraulic circuit part layout.
Minimum heat pump water input flow must not be under the value required for
the model in question. See Paragraph 2. For system layouts such as that in
Figure 6, water flow can be regulated using the bypass valve.
4.6. Electrical connections.
The heat pump electrical connections must be performed by specialised
technicians and in keeping with current national system regulations.
Working on live electrical equipment is prohibited. Before starting work, make sure
the heat pump is disconnected from the electrical mains.
Modifying electrical connections inside the heat pump without Steinbach VertriebsgmbH
authorisation is strictly prohibited.
Power voltage must not vary more than 10 % from the nominal value. It must be within the
207÷253 [V] interval. If power voltage is subject to frequent variations, contact specialised
technicians for suitable protection devices.
Install a protection device, circuit breaker with delayed type 16 [A] fuse, upstream from the
heat pump. This protection device must only service the heat pump. Furthermore, install a
contact switch protection device, circuit breaker, that has nominal operating differential
current not over 30 [mA].
Output fitting
Input fitting

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Figure 7: Protection device and/or contact switch.
The electrical mains connected to the heat pump must be grounded.
If a socket is installed for electrical mains connections, the latter must have a protection
grade no lower than IPX4 and must have a grounding terminal. The same applies for the
mains which must be grounded.
4.7. Commissioning, preliminary checks.
4.7.1. Commissioning, precautions.
Before starting the pump, make sure there is water in the pool, that the skimmer and
suction fittings, when installed, are submerged, that the cut-off valves do not prevent
water flow from the pool to the heat pump and vice versa and that the circulation
pump is on.
4.7.2. First start-up, preliminary checks.
At first heat pump start-up, make sure that:
othe electrical mains were connected in keeping with current national system
regulations, see Paragraph 4.6.
o there are no refrigerant fluid leaks checking the pressure on the manometer, see
Paragraph 5.3, using leak detection devices.
o Make sure hydraulic connections were correctly performed, see Paragraph 4.5.
o Make sure all body panels are in place and locked with screws.
o Make sure there are no impediments to free water flow from the pool to the heat
pump and vice versa.

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5. Operations and use.
5.1. Introduction.
Please read the paragraph on energy savings, see Paragraph 1.5.
SERIES BP heat pumps are equipped with control boards which, thanks to a simple but
functional interface, allow heat pump programming to guarantee efficient service.
Figure 8: Heat pump panel.
Heat pump on/off button.
Operating mode selection button (heating/cooling17) or operating parameter programming access.
Up button.
Down button.
Multi-function button.
Timer or temperature control on/off button.
Heat pump operating mode indication: cooling18.
Heat pump operating mode indication: heating.
Table 1: Control panel display symbol key.
5.2. Control panel use.
The control panel displays all information required for the user, data and/or error
messages. Please see Paragraph 7.5.
5.2.1. Turning on the heat pump.
Use the protection device and/or contact switch to turn on the heat pump. Please
see Paragraph 4.6.
5.2.2. Standby.
Water temperature is displayed when the heat pump is turned on. Please see Figure
12. The heat pump is in standby conditions. It does not heat or cool pool water.
Figure 9: Heat pump display in standby conditions.
5.2.3. Turning off the heat pump.
Use the protection device and/or contact switch to turn off the heat pump. Please
see Paragraph 4.6. Make sure the heat pump is in standby before turning it off.
17 The BP-xxWS-B (xx=35, 50) model has only one operating mode: heating.
18 Operating mode not included in model BP-xxWS-B (xx=35, 50).

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5.2.4. Starting the heat pump.
To start the heat pump, press . The heat pump starts within 3 minutes. The last
selected operating mode (heating or cooling19), see Figure 13. Figure 14 and
Paragraph 5.2.13.8, the last temperature set and the current pool water temperature
(heating or cooling) is immediately displayed.
Figure 10: Heat pump display when turned on, heating mode.
Figure 11: Heat pump display when turned on, cooling mode.
5.2.5. Operating mode selection20.
Start the heat pump, see Paragraph 5.2.4, press to select the operating mode:
• Heating, is displayed, see Figure 13.
• Cooling, is displayed, see Figure 14.
Whenever the operating mode changes, the set temperature is switched to the
following default values:
• Heating mode, 40 [°C].
• Cooling mode, 30 [°C].
Thus, the set temperature must be regulated, see Paragraph 5.2.6, whenever the
operating mode changes.
5.2.6. Set temperature regulation.
Before regulating the set temperature, carefully read the instructions in Paragraph
1.4.
Set temperature can be regulated by pressing , to increase it and , to decrease
it. Set temperature can be selected in the interval 5÷45 [°C].
Parameter programming, upon heat pump assembly, guarantees that the difference
between pool water temperature and set temperature is never over 3 [°C] as
illustrated by the following examples:
• Heating mode, set temperature 30 [°C], pool water temperature is never under
27 [°C].
• Cooling mode, set temperature 15 [°C], pool water temperature is never over 18
[°C].
5.2.7. Minimum working temperature and restart temperature21.
Once the pump is started, see Paragraph 5.2.4. if the ambient temperature is lower
than the minimum working temperature, the heat pump stops, displaying error
message “EE C”, and only restarts if the ambient temperature exceeds the restart
temperature. When the pump is constructed, the minimum working temperature and
19 Operating mode not included in model BP-xxWS-B (xx=35, 50).
20 Not included in model BP-xxWS-B (xx=35, 50).
21 Not included in model BP-xxWS-B (xx=35, 50).
Heating mode
Current pool water temperature
Set temperature
Cooling mode

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restart temperature are a –15 [°C] and –13 [°C] respectively, minimum admissible
values.
The minimum working temperature must be at least 2° C lower than the restart
temperature.
Proceed as follows to set minimum working temperature:
o When the pump is in standby, see Paragraph 5.2.2, press and hold down
for 3 seconds.
Figure 12: Minimum working temperature and restart temperature.
oRegulate minimum working temperature with keys (increase),
(decrease). Minimum working temperature cannot be under –15 [°C] (-F),
the regulation interval for minimum working temperature is -15÷+97 [°C].
o Press , to regulate the restart temperature.
o Regulate restart temperature with keys (increase), (decrease).
Minimum restart temperature cannot be under -13 [°C] (-d), the regulation
interval for restart temperature is -13÷99 [°C].
5.2.8. Automatic start settings.
When the pump is in standby, see Paragraph 5.2.2, press to turn on the
automatic start mode. Press (increase), (decrease) to select when the heat
pump should automatically start (1÷24 hours).
Figure 13: Automatic start settings.
Automatic start can only be set when the pump is in standby, see Paragraph 5.2.4.
5.2.9. Automatic standby settings.
When the pump is running, see Paragraph 5.2.4, press to turn on the automatic
standby mode. Press (increase), (decrease) to select when the heat pump
should automatically return to standby mode (1÷24 hours), see Paragraph 5.2.2.
Figure 14: Automatic standby settings.
Automatic standby can only be set when the pump is running, see Paragraph 5.2.4.
Restart temperature
Minimum working
temperature

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5.2.10. Manual defrost22.
Frost may form on the plate heat exchanger during normal operations in heating
mode, see Figure 1. Frost on the plate heat exchanger reduces heat pump
performance. Frost is formed during heating mode because the heat pump cools
surrounding ambient air to heat water. SERIES BP pumps are equipped with a
temperature sensor that detects frost on the plate heat exchanger and starts
automatic defrost. However, if this is insufficient, manual defrost can be started.
Manual defrost can only be started when the heat pump is running in heating
mode.
When the pump is running, see Paragraph 5.2.4, press and hold down for 5
seconds to turn on manual defrost. Manual defrost lasts several minutes. At the
end of the manual defrost cycle, the heat pump automatically starts.
When defrosting, refrigerant fluid pressure is increased to make refrigerant fluid
hotter so that it heats the plate heat exchanger during circulation to defrost.
When defrosting, refrigerant fluid pressure significantly increases. For further
information, see Paragraph 5.3.
The heating mode icon blinks during defrost. See Figure 18.
Figure 15: Manual defrost.
5.2.11. Key lock.
Keys can be locked to prevent accidental regulations.
To lock keys, press and simultaneously hold down keys and for 5 seconds.
Symbol will appear on the display. See Figure 19 and Figure 20.
Figure 16: Key lock, heating mode.
Figure 17: Key lock, cooling mode.
5.2.12. Sensor temperature display.
SERIES BP heat pumps are equipped with 4 temperature sensors that
continuously read pool water, ambient23, compressor and plate heat exchanger
temperatures24.
22 Operating mode not included in model BP-xxWS-B (xx=35, 50).
23 Not included in model BP-xxWS-B (xx=35, 50) where the sensor is not installed.
24 Not included in model BP-xxWS-B (xx=35, 50) where the sensor is not installed.
blinks

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The temperature read by each sensor can be displayed by pressing (for model
BP-xxWS-B (xx=35, 50), press ) and hold down for 3 seconds with the pump is
running, see Paragraph 5.2.4. To display temperatures read by the various
sensors, press (for model BP-xxWS-B (xx=35, 50), press ). The temperature
read by the sensor is displayed for 10 seconds, if no other key is pressed, or
press to return usual information to the display, see Figure 13 and Figure 14.
Figure 18: Pool water temperature sensor.
Figure 19: Ambient temperature sensor25.
Figure 20: Compressor temperature sensor.
Figure 21: Condenser temperature sensor.
Figure 22: Sensor not used26.
5.3. Manometer use.
SERIES BP heat pumps are equipped with a manometer that displays refrigerant fluid
pressure in the high pressure circuit.
Typical pressure values are the following:
• Heat pump off or in standby, the indicated pressure is between 14÷16 [bar] ([kg/cm2]);
• Heat pump running, the indicated pressure is between 21÷35 [bar] ([kg/cm2]).
When defrosting, refrigerant fluid pressure is increased to make refrigerant fluid hotter so
that it heats the plate heat exchanger during circulation to defrost. Defrosting lasts several
minutes.
Temperature read
Temperature read
Temperature read
Temperature read
Pool water
temperature sensor
number
Condenser
temperature sensor
number
Compressor
temperature sensor
number
Ambient temperature
sensor number
25 For model BP-xxWS-B (xx=35, 50), parameter 15 indicates the compressor temperature sensor.
26 Not used for SERIES BP heat pump control.