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GeoSmart NETZERO BW B B Technical & Service Manual Download Page 46

 

Installer manual NETZERO

 

GEOSMART ENERGY 

46 

EN

 

DIGITAL OUTPUTS 

CONNECTIONS 

DESCRIPTION 

Connection terminal 

Controller terminal 

Type 

Signal 

Block III / DO1 

 / J16 / NO1-NC1 

Activation 24Vac / 1A max 

Passive cooling production 

Block III / DO2 

 / J27 / NO9-NC9 

Activation 24Vac / 2A max 

Pool production 

Block III / DO3 

 / J27 / NO10-
NC10 

Activation 24Vac / 2A max 

DHW production 

Block III / DO4 

 / J28 / NO11 

Activation 230Vac / 2A max 

DHW Recirculation 

Block III / DO5 

 / J28 / NO12 

Activation 230Vac / 2A max 

DG1 group production 

Block III / DO6 

 / J28 / NO13 

Activation 230Vac / 2A max 

SG2 group production 

Block III / DO7 

 / J22 / NO6 

Activation 230Vac / 2A max 

HTR system production 

Block III / DO8 

 / J23 / NO7 

Activation 230Vac / 2A max 

Comp circulator activation 

Block III / DO9 

 / J24 / NO8 

Activation 230Vac / 2A max 

Alarm signal 

Block IV / DO10 

 / J17 / Out2 

Activation 230Vac / 1A max 

Buffer storage tank resistor / 
Internal resistor 

Block IV / DO11 

 / J18 / Out3 

Activation 230Vac / 2A max 

DHW inter-accumulator resistor 

Block IV / DO12 

 / J19 / Out4 

Activation 230Vac / 2A max 

Heating / cooling consumption 

Block IV / DO13 

 / J20 / Out5 

Activation 230Vac / 2A max 

Active cooling production 

Block IV / DO14 

pCOe / J5 / NO1 

Activation 230Vac / 2A max 

SG3 group production 

Block IV / DO15 

pCOe / J6 / NO2 

Activation 230Vac / 2A max 

SG4 group production 

Block IV / DO16 

pCOe / J7 / NO3NC3 

Activation 230Vac / 2A max 

Air source 

Block IV / DO17 

pCOe / J8 / NC3 

Activation 230Vac / 2A max 

Geothermal source 

 

PROTECTIONS 

CONNECTIONS 

DESCRIPTION 

Connection terminal 

Controller terminal 

Type 

Signal 

Block III / PS 

Inverter / 3 

Safety switch 

High pressure switch 

Block III / ESS 

Inverter / 4 

Safety switch 

External safety switch 

 

COMMUNICATIONS 

CONNECTIONS 

DESCRIPTION 

Serial port 

Controller terminal 

Type 

Signal 

pLAN 

 / J15 Phone connector 

RJ11 

Controller screen 

 / J14 Plug-in connector 

RS485 Modbus RTU 

Controller network connector 

FBus 

 / J9 

RS485 ModBus RTU 

Compressor inverter 

FBus2 

 / J29 

RS485 ModBus RTU 

Outdoor bus terminals 
Expansion module pCOe 
Outside temperature probe 

BMS Card 

 / J13  

RS485 ModBus RTU 

Connector for remote access 
communication cards 

BMS2 

 / J11 

RS485 ModBus RTU 

Remote access through bus 
Remote outside temperature probe 

Expansion 
valve 

 / J12 

Stepper motor 

Unipolar valve control 

 

 

 

Summary of Contents for NETZERO BW B B

Page 1: ...TECHNICAL SERVICE MANUAL EN NETZERO BW MODEL SERVICE CONTACT NETZERO CW...

Page 2: ......

Page 3: ...he cooling system 23 2 6 Configuration of the DHW production service 26 2 7 Configuration of the pool service 26 2 8 Configuration of production priorities 27 2 9 Activation of special programs 27 2 1...

Page 4: ...ove through the various user menus and to adjust the parameters Figure 1 1 Control panel The general functions and operation of each of the buttons are indicated below The ALARMS menu can be accessed...

Page 5: ...e activated A consumption bar is also shown for the compressor and modulating circulator pumps Aerothermal fan activated Source pump activated Compressor in start up phase Compressor activated Compres...

Page 6: ...to the pool production exchanger and adjusts the power supply The outlet temperature and flow are constantly controlled to optimize installation performance This mode is activated when the heat pump...

Page 7: ...ted Only for reversible heat pumps Wait Compressor start up is deactivated due to standby between start ups 15 minutes The minutes remaining for the compressor to start up are shown next to the icon S...

Page 8: ...lfilling any SG state SG1 Normal status The heat pump operates normally according to their configuration SG2 Reduced tariff We are in a reduced tariff period so we will take advantage of the lower pri...

Page 9: ...he heat pump is in emergency status due to an active alarm The compressor cannot be started up but the services can be attended to if there is an auxiliary unit enabled for emergency situations EMERGE...

Page 10: ...gure 1 3 Browsing through the list of user menus XXXXXX XXXXXX XXXXXX 06 11 2016 Mon 14 25 1 7 5 1 User menu 1 9 On Off Schedule Heating User menu 2 9 On Off Programming Heating User menu 3 9 Schedule...

Page 11: ...go to the previous or next screen or to return to the list of user menus Figure 1 4 Adjusting comfort parameters 1 9 ON OFF Menu On Off Shows the direction of the unit Used to switch the heat pump on...

Page 12: ...NG AND POOL services Holiday calendar This can be used to program up to 3 periods a year when the heat pump stays on or off User menu 2 8 On Off Programming Heating Programming 1 4 a Date time b Sched...

Page 13: ...he outlet temperature by 2 C Interior terminals Used to show and adjust the inside environment temperature setpoint Tcons and the comfort temperature differential DTc of the terminals of each outlet u...

Page 14: ...outlet unit If the heat pump is in the COMBINED program it can also be used to show and adjust the temperature switch differential DTsw between HEATING and COOLING modes Auxiliary X cooling Used to en...

Page 15: ...minutes hours that the heat pump is dedicated to the POOL mode when there are simultaneous demands for heating and pool during the WINTER program The icon indicates that there is a time schedule activ...

Page 16: ...als assigned to each outlet unit Heating buffer Cooling buffer This shows the setpoint temperature the start up temperature differential and the current temperature of the buffer storage tank There ar...

Page 17: ...tion regarding the current state of the consumption limit control the instantaneous consumption measurement and the setpoint for consumption limitation Press to access the e Manager meters It includes...

Page 18: ...n This shows information about the application installed in the controller 1 17 ALARMS Menu Press for quick access to the information menu from the main screen Active alarms These screens display the...

Page 19: ...Language 2 Configuration 2 1 Heat pump model 2 2 Source 2 3 Services 2 3 1 Heating 2 3 2 Cooling 2 3 3 DHW 2 3 4 Pool 2 3 5 Priorities 2 3 6 Special programs 2 4 e Manager 2 5 Auxiliary equipment 2 4...

Page 20: ...re enabled Aerothermal collector 1 Used to adjust the difference in air antifreeze agent target temperatures to control the fan 2 Used to adjust the maximum fan percentage allowed 3 Used to adjust the...

Page 21: ...roduced 3 Used to enable use of the heat pump to produce heat Heating units 1 Used to enable the outlet units in heating mode 2 Used to select the modulating valve control logic of the combined outlet...

Page 22: ...emperature based on the indoor temperature 0 No indoor temperature offset 0 5 Correction of the outlet temperature equal to half the difference between actual and setpoint temperature 1 Correction of...

Page 23: ...r setpoint This is the setpoint in case of surplus for the SG states 2 5 Configuration of the cooling system Active cooling 1 Used to enable the active cooling service 2 Used to select the type of con...

Page 24: ...terminals must be configured with the addresses displayed on this screen NOTE This configuration is associated to the heating and cooling services If a bus terminal is enabled for an outlet unit in a...

Page 25: ...useful in cases where collection must be performed at a different temperature than use or when an intermediate exchanger is installed between production and use 3 Used to set a minimum production tem...

Page 26: ...Used to adjust the target outlet temperature in pool mode Also used to set the request logic of the pool 3 Used to enable use of the production circulator pump for the pool service Connection type 1 U...

Page 27: ...d meter Used to select the address of the meter in the communication network and the type of installation single phase 1 phase or three phase 3 phases NOTE The default meter address is 100 If you chan...

Page 28: ...ent can be used at the same time If the outlet temperature remains below the target within a range higher than the starting temperature difference and during at least the established starting time the...

Page 29: ...the USER level its use must be enabled as SUPPORT and or EMERGENCY for the heating DHW and or pool services Note If it is enabled for DHW it will also be used for the LEGIONELLA PROTECTION programs I...

Page 30: ...ut production surpluses can still be used by activating or deactivating the non critical loads configured SG4 1 1 Forced status The heat pump will force the maximum possible consumption in the install...

Page 31: ...lished as USER and if there is no higher priority service with a request BMS remote control 1 Used to enable remote control via BMS or BMS FBus2 communication ports through ModBus protocol Note To acc...

Page 32: ...ion 1 Used to adjust the maximum and minimum temperature of the source circuit If any of the limit values are reached the source temperature alarm is activated 2 Used to set the minimum pressure of th...

Page 33: ...f you are not sure of the freezing temperature of the fluid used check it with a refractometer Compressor delay 1 Used to adjust the duration of the compressor switched on delay Note The compressor sw...

Page 34: ...f operation number of start ups and start up hour ratios It also shows the current temperature of the compressor inverter AI Values This shows the current measured value at all analog inputs DI Status...

Page 35: ...g 2 18 Default values Initialization 1 Used to delete the settings in the USER and INSTALLER menus and restore default factory settings DO Status DO1 Off DO8 On DO2 Off DO9 On DO3 On DO10 Off DO4 On D...

Page 36: ...ng the configuration Note This option is only available for heat pumps with Danfoss compressors 2 19 Change password New password 1 Used to change the password to access the INSTALLER menu PW1 Energy...

Page 37: ...e cooling defrosting exchanger 37 Source pressure transducer 11 Compressor 38 Production pressure transducer 12 Electronic expansion valve 39 Discharge mini pressure switch 13 Filter dryer 40 Service...

Page 38: ...40 30 T 11 6 5 2 1 3 4 12 8 7 16 15 26 29 31 32 33 34 38 23 24 13 P 35 36 P 39 P 19 21 10 9 44 T T T T T 27 43 25 22 17 P 28 T 18 20 37 P 40 40 14 30 T 11 6 5 2 1 3 4 12 8 7 16 15 26 29 31 32 33 34 38...

Page 39: ...Installer manual NETZERO GEOSMART ENERGY 39 EN NETZERO BW 10 13 12 14 35 5 6 16 11 36 39 7 19 22 24 23 45 2 29 1 4 9 26 38 25 20 40 40 42 42 28 27 8 18 43 15 17 21 37 30...

Page 40: ...9 31 32 33 34 38 23 24 13 P 35 36 P 39 P 19 21 9 44 T T T T T 43 25 22 17 P T 18 20 37 P 40 40 30 T 4 3 2 1 52 51 53 T 50 49 47 46 48 11 12 8 7 16 15 26 29 31 32 33 34 38 23 24 13 P 35 36 P 39 P 19 21...

Page 41: ...1 32 33 34 38 23 24 13 P 35 36 P 39 P 19 21 9 44 T T T T T 43 25 22 17 P T 18 20 37 P 40 40 14 30 T 4 3 2 1 51 53 T 50 49 47 46 48 52 11 12 8 7 16 15 26 29 31 32 33 34 38 23 24 13 P 35 36 P 39 P 19 21...

Page 42: ...ZERO 28 27 51 52 53 4 15 19 40 22 48 7 41 1 13 6 45 25 24 21 49 12 40 5 8 9 10 23 42 14 26 29 36 39 17 18 2 43 16 46 47 38 20 37 35 30 1 2 24 16 12 19 43 18 5 20 16 21 7 8 42 23 31 17 4 3 9 6 37 36 34...

Page 43: ...15 AI16 pCOOEM GND pCOOEM 5VR pCOOEM 5VR pCOe GND 0 Vac 24 Vac 0 Vac 24 Vac 230 Vac Distribution 24 Vac Distribution J1 G0 G J1 G0 G pCOe Y1 AO6 0 Vac 24 Vac pCOOEM 5VR pCOOEM 5VR AO2 AO1 Y1 VG0 VG J2...

Page 44: ...COOEM GND pCOOEM 5VR pCOOEM 5VR pCOe GND 0 Vac 24 Vac 0 Vac 24 Vac 230 Vac Distribution 24 Vac Distribution J1 G0 G J1 G0 G pCOe Y1 AO6 0 Vac 24 Vac pCOOEM 5VR pCOOEM 5VR AO2 AO1 Y1 VG0 VG J2 pCOOEM O...

Page 45: ...ting buffer temperature Block I AI16 pCOe J10 B4 NTC 10K 25 C Cooling buffer temperature DIGITAL INPUTS CONNECTIONS DESCRIPTION Connection terminal Controller terminal Type Signal Block II DI1 pCOOEM...

Page 46: ...Out4 Activation 230Vac 2A max Heating cooling consumption Block IV DO13 pCOOEM J20 Out5 Activation 230Vac 2A max Active cooling production Block IV DO14 pCOe J5 NO1 Activation 230Vac 2A max SG3 group...

Page 47: ...kW NETZERO 22 kW NOTE Maximum speed of compressor is not able in all the areas of the operation map 25 10 25 40 7 65 35 65 35 10 5 10 15 20 25 30 35 40 45 50 55 60 65 70 30 25 20 15 10 5 0 5 10 15 20...

Page 48: ...5 C Source temp 7 10 C Heating temp 50 55 C 0 0 5 1 1 5 2 2 5 3 3 5 4 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Electric input kW Compressor Speed Source temp 3 0 C Source temp 2 5 C S...

Page 49: ...temp 2 5 C Source temp 7 10 C Heating temp 50 55 C 0 1 2 3 4 5 6 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Electric input kW Compressor Speed Source temp 3 0 C Source temp 2 5 C Source temp...

Page 50: ...7 10 C Heating temp 50 55 C 0 1 2 3 4 5 6 7 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Electric input kW Compressor Speed Source temp 3 0 C Source temp 2 5 C Source temp 7 10 C Heating...

Page 51: ...N NETZERO BW P NETZERO BW B NETZERO CW P NETZERO CW B 0 1 2 3 4 5 6 7 8 9 10 11 12 0 1 2 3 4 5 6 7 8 9 10 Passive cooling capacity kW DT T4 T2 C Flow Rate source Flow rate cooling 2000 l h Flow Rate s...

Page 52: ...26 28 30 32 34 36 38 40 42 44 46 48 50 0 250 500 750 1000 1250 1500 1750 2000 2250 2500 2750 3000 3250 3500 Pressure drop kPa Flowrate l h Evaporador Condensador Fr o pasivo Free cooling Evaporator C...

Page 53: ...1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 Pressure drop kPa Flowrate l h Condensador Evaporador Fr o pasivo Condenser Evaporator Free cooling 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80...

Page 54: ...Installer manual NETZERO GEOSMART ENERGY 54 EN NETZERO 12 kW NETZERO 22 kW Grundfos UPML GEO 25 104 180 1 x 230 V 50 60 Hz PWM Grundfos UPMXL GEO 25 124 180 1 x 230 V 50 60 Hz PWM...

Page 55: ...ETZERO GEOSMART ENERGY 55 EN 3 8 Production circulator pumps Main circulator pump NETZERO 9 kW Main circulator pump NETZERO 12 kW UPM2K 15 70 130 1 x 230 V 50 60 Hz PWM Grundfos UPM GEO 25 85 180 1 x...

Page 56: ...Installer manual NETZERO GEOSMART ENERGY 56 EN Main circulator pump NETZERO 22 kW HTR system circulator pump Grundfos UPML GEO 25 104 180 1 x 230 V 50 60 Hz PWM UPM2 15 70 130 1 x 230 V 50 60 Hz PWM...

Page 57: ...an be limited by the compressor discharge temperature 6 In compliance with EN 12102 this includes the acoustic insulation kit of the compressor 7 Start up intensity depends on the operating conditions...

Page 58: ...pressure pre charge bar 0 5 3 1 5 Brine circuit pressure pre charge bar 0 5 3 0 7 Maximum ACS storage tank pressure11 bar 8 Working fluids Refrigerant type GWP R410A 2088 Charge T CO2 eq Kg ton 0 8 1...

Page 59: ...ction circuit pressure pre charge bar 0 5 3 1 5 Brine circuit pressure pre charge bar 0 5 3 0 7 Maximum ACS storage tank pressure11 bar 8 Working fluids Refrigerant type GWP R410A 2088 Charge T CO2 eq...

Page 60: ...roduction circuit pressure pre charge bar 0 5 3 1 5 Brine circuit pressure pre charge bar 0 5 3 0 7 Maximum ACS storage tank pressure11 bar 8 Working fluids Refrigerant type GWP R410A 1 4 R410A 1 5 Ch...

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Page 64: ...dge ON N3C 0A5 T 1 866 310 6690 P 519 624 0400 F 1 866 533 3889 E info geosmartenergy com http www geosmartenergy com Technical service manual version 01 2022 The manufacturer reserves the right to ma...

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