SERO BWB-SS-12 (DC) Specifications

GROUNDSOURCEHEATPUMPWITHDCINVERTER(SPLITTYPE)MODEL:BWB-SS-7(DC) BWB-SS-9(DC)BWB-SS-12(DC) BWB-SS-15(DC)-PleaseReadThisManualBeforeUsingTheHeatPump-IN

Pipe connections9 Pump capacity diagrams, collector sidekPaAvailablepressureFlowl/s1230.220.440.660.881.101.32807060504030201001.541.760The pump isad

Electrical connection 10Connecting The Room Temperature SensorConnecting The Outside Temperature SensorOutside air temperature sensorRoom temperature

Electrical connection111.5mm2 terminal connection2.5mm2 terminal connectionEH1EH2NEH3NGNDFromFrom CompressorFrom Electrical heater 3From Electrical he

Electrical connection 12Wiring Diagram ( 7K / 9K )CN4CN6CN17CN8Cn11 N(AC)-OUTP6P3CN10 CN1CN9CN2CN614CN27CN16-NCN16-LCN21-LCN21-NCN11-NCN11-LLLCN5CN15C

Electrical connection13Wiring Diagram ( 12K / 15K )CN 4CN 6CN17CN8CN 36CN614CN27CN 14CN 13CN16-NCN16-LCN21-LCN21-NCN19-NCN19-LCN5CN15CN23CN24LPEX

14Commissioning and adjustingBefore starting up the system, check that the heating,collector and hot water circuits are full and thoroughlyvented. Che

15 Commissioning and adjustingAir is initially released from the hot water and ventingmay be necessary. If bubbling sounds can be heardfrom the heat p

16Control panelLayoutExplanation Control Panel The control panel of BWB-SS DC features a graphic display control buttons. Beside the control pa

17 Control panelFunctionsThe right-hand button on the control panel is used to open the desired menu.The left-hand button is used to return to the pre

18ControlGeneral information Menu Navigation Display of current operating mode The right-hand button on the control panel is used to open the desir

Contents1System descriptionPrinciple of BWB-SS-DC heat pump ... 2General information for the installerTransport and storage ...

Control19Menus Sub-Menu OPERATION INTEGRALIntegral is a program to set the startup time and distance between compressor and electrical heater, to s

Control20 Menus Sub-MenuHEATCURVEADD.HEAT᧤ON or OFF᧥ON᧶select ON, electrical heater is running normally.OFF᧶select OFF, only switch off elect

Control21MenusINTEGRAL 00OFFCMP.AADD 1 - 60 ( 00) ( - 60) - 500 00ADD 2 ( - 500) - 550ADD 3 ( - 550) - 600Sub-Menu TEMPERATURE Sub-Menu IN

Control22Menus Integral (DM) is a program to set the startup time and distance between compressor and electricalheater according to heat demand

Control23 Degree Minute s(DM) instruction Before the Degree Minute reach - 60 (adjustable) ,the compressor is off, but when the Degree Minuterea

Control24The relationship between compressor and DM T=T1-Ts+2ć+1.0+0.5 001-1 2-2 3-3 4-4 5-56-6 7-7 89After compressor start running, when ‘setting re

Control25 Menus TIMESETTING˖use button Up and down to select each item.DATETo display year, month, date.DAYTO display day of week.TIMETo display tim

Control26Menus Sub-Menu SETTINGEMERGENCY1 (ON or OFF)EMERGENCY2(ON or OFF)Emergency mode 1˄emergency 1˅:˄ON or OFF˅ˈfactory setting is OFF(after selec

Control27 Menus ADDDIF TEMP Additional electrical heater restart determined by water temperature degeneration: it is adjustable from 1 to 10 degr

Control28MenusSub-Menu RESETReset to factory setting value.Sub-Menu MAN TEST How to enter the Sub-Menu MAN TEST:You need to choose the " MAN TES

Principle of BWB-SS-DC heat pumpSystem description 2BWB-SS-DC series heat pump can exploit the energy contained in natural heat sources. Or, to put it

Control29Adjustments to be made regularly Heat Generation - General CURVE CC4018C05-524324048566418Feed linetemperatureHeat curveRelation of

Control30Adjustments to be made regularly Change of value for CURVE CURVE CC4018C05-524324048566418IfyouwishtochangetheCURVEvalue:1.Open the main

Control31Adjustments to be made regularly CURVE CC4018C05-524324048566418CURVE CC4018C05-524324048566418When enter ‘Room heat’ mode, user could co

Adjustments to be made regularly Adjustment of Part of the Heat Curve Control 32At outdoor temperatures between -5°C and +5°C part of the heat cu

Adjustments to be made regularly Adjustment of the MIN and MAX value Control33 Adjustment of the HIGH T STOP and LOW T STOP value The MIN

Control 34Adjustments to be made regularly Graph of recent changes in TEMPERATURE 5 Press the ”down” button to move the cursor to HIGH T STOP

Control35Maximum Return Line Temperature The maximum return line temperature, i.e. temperature of the water returning from the heating system, should

Control 36Regular Checks Checking the Water Level of the Heating System The pressure of the heating system should be checked once

37 ControlAlarm MessagesIn the event of an alarm message, try to re-start the unit with the safety switch. If this does not work, try to solve the pr

Alarm MessagesThe cause of alarm ‘IPM MODULE’ could be: 1ǃThe communications between Module and outdoor main circuit board is jamming; 2ǃModule is jam

System description3Unit General Description Operation Principle of BWB-SS-DCCooling medium inCooling medium outCooling medium pumpEvaporatorConden

39 ControlAlarm Messages 6. check the if DC voltage between A(first wire) and B(third wire) is normal, it should be 13.5V ~16.5V A B

Alarm MessagesControl 40The cause of alarm ‘CMP TOP OVER’ could be: 1. Water flow was not enough; 2. Refrigerant was not enough 3. Ambient temperature

41 ControlAlarm Messages The cause of alarm ‘WARM WATER TEMP.’ could be: 1. The connection of water tank temperature sensor was loose; 2. The water ta

Alarm MessagesControl 42The cause of alarm ‘CMP TEMP.’ could be: 1. The connection of compressor exhaust air temperature sensor was loose; 2. The comp

43 Control Circuit Board Picture For BWB-SS- 7 (DC) and BWB-SS-9 (DC) Display Transition circuit board Module Ma

Control 44Sensors resistance tablet ć R(Kȍ)ADt ć R(Kȍ)ADt ć R(Kȍ)AD t ć R(Kȍ)AD-20542.7 32068.66 266013.59 951003.702 175-19511.9 32165.62 286113.11 9

45 Control Sensors resistance table 2water/ambient/pipe sensor resistanceT R AD T R AD T R AD T R AD-20115.266 162012.6431 99602.35774 1971000.62973 2

46ControlTerminology and Abbreviations the evaporator, energy from the heat source is absorbed by the refrigerant passing through the evaporator. Th

47 Description of the Switch panelFunctionWater Pump : Control the Water Cycle PumpE-Heater : Control the Electrical Heater 1 and 2Connect to the PCB

48Dealing with malfunctionsClose the shut-off valves in heating medium system.Open the drain valve (27). A small amount ofwater runs out, however, to

4General information for the installerCurrent regulations require the heating installation tobe inspected before it is commissioned. The inspec-tion m

49 Component placementPlease Note :The picture for reference only !1437562+++8910111213141516

50Component placementPlease Note :The picture for reference only !BWB-SS-12 (DC) for example17181920212223242526272829303132333435

51 Component placement3X400 V / 3 / 50 HZPlease Note :The picture for reference only !+++ ++ + ++ +++++++++++++++++++++++++++++++++++++340057WE28 077

52List of componentsPlease Note :The list is for reference only!4 Right side board3 Left side board5 Front board7 Stainless steel adjustable feet2 Con

53Dimensions and setting-out coordinatesDimensions970mm600mm80mm685mm60mm

54AccessoriesOutside air temperature sensorRoom temperature sensor575659 (optional)5862 (optional)61Enclosed kit60

55Technical specificationsIP 21Refrigerant : R410ATechnical specifications 3 x 400 VHeating Capacity at B0/W35 (KW) 6.950 8.900 11.905 14.500Heating

Factors to be taken into account when designing thecollector layout are geographical position, type ofrock/soil and cover factor of the heat pump. Whe

as possible), and particle filter (supplied) are fitted.When connecting to a system with thermostats on allradiators, a relief valve must be fitted, o

Pipe connectionskPa BWB-SS-7 (DC) BWB-SS-9 (DC) AvailablepressureFlowBWB-SS-12 (DC) l/s1230.220.440.660.881.101.32807060504030201001.541.760BWB-SS-15

Pipe connections8The pump isadjustable to adjustthe flow: 1, 2, or 3.The pump isadjustable to adjustthe flow: 1, 2, or 3.WILO RS-25/8WILO RL-25/7.5How