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SOM 9s

System 7
Solar system with east-/west collectors
The controller compares the temperatures at the collector
sensors S1 and S5 to the tank temperature at sensor S2.
If one of the measured temperature differences is higher

than the adjusted switch-on temperature differences, the
corresponding pump (R1, R2) will be activated and the tank
will be loaded.

Sensor/Ter-
minal

Designation

Description

TCOL1

Temperature collector 1

TSTB

Temperature tank bottom

Optional sensor for measurement
purposes or options

S4
S5

TCOL2

Temperature collector 2

VFS

Optional sensor for measurement
purposes or options

RPS
V40

Adjustment channels

Channel

Sub channel 1

Sub channel 2 Factory

setting

Change to

Description

Page

ARR

System

LOAD >

DT O

12 °R

Switch-on temperature difference

DT F

8 °R

Switch-off temperature difference

DT1S

20 °R

Set temperature difference

RIS

4 °R

Rise

S MAX

140 °F

Tank maximum limitation

SMAXS

Sensor tank max

COL 1 >

Collector 1

CEM1

270 °F

Collector emergency temperature 1

OCCO1**

OFF

Option collector cooling 1

CMAX1

230 °F

Maximum collector temperature 1

OCMI1

OFF

Option collector minimum limitation 1

CMIN1

50 °F

Minimum collector temperature 1

OTCO1

OFF

Option evacuated tube collector function 1 81

Temp. Sensor

Pt1000

GND

VBus

PWM

V40

VFS

RPS

out

Содержание SOM 9s

Страница 1: ...on Operation Functions and options Troubleshooting Thank you for buying this product Read this manual carefully to get the best performance from this unit Please keep this manual carefully en US CA 49...

Страница 2: ...following safety advice in order to avoid danger and damage to people and property Description of symbols Signal words describe the danger that may occur when it is not avoided Warning means that inj...

Страница 3: ...control lamp directional pad and background illumination Operation 7 push buttons at the front of the housing Functions System controller for solar and heating sys tems Functions such as DT control p...

Страница 4: ...he lower fastening screws and tighten Carry out the electrical wiring in accordance with the terminal allocation see chap 2 2 Put the cover on the housing Attach with the fastening screw 2 Installatio...

Страница 5: ...nsor 3 e g tank sensor top S4 sensor 4 e g tank sensor tank 2 S5 sensor 5 e g collector sensor collector 2 Connect the Grundfos sensors to theVFS and RPS inputs A V40 flowmeter can be connected to the...

Страница 6: ...us for data transfer with and energy supply to external modules The connec tion is carried out at the two terminals marked VBus and GND any polarity One or more VBus modules can be connected via this...

Страница 7: ...Solar system with vertical tank loading and heat ex change control page 29 Solar system with vertical tank loading and thermostatic backup heating page 31 Solar system with vertical tank loading and...

Страница 8: ...thermostatic backup heating page 62 Solar system with vertical tank loading and east west collectors page 53 Solar system with east west collectors vertical tank loa ding and backup heating with solid...

Страница 9: ...78 DT S 20 R Set temperature difference 78 RIS 4 R Rise 78 S MAX 140 F Tank maximum limitation 78 SMAXS 2 Sensor tank max 79 COL Collector CEM 270 F Collector emergency temperature 80 OCCO OFF Option...

Страница 10: ...84 COOL Cooling functions OSYC OFF System cooling 85 OSTC OFF Tank cooling 85 OHDP OFF Heat dump 85 PUMP Pump speed PUMP1 OnOF Speed variant pump 1 79 PUMP2 OnOF Speed variant pump 2 79 PUMP3 OnOF Spe...

Страница 11: ...ature collector S2 TST1B Temperature tank 1 bottom S3 TST1T Temperature tank 1 top S4 TST2B Temperature tank 2 top S5 Optional sensor for measurement purposes or options VFS RPS V40 Adjustment channel...

Страница 12: ...Set difference 86 RIS3 4 R Rise 86 MAX3O 140 F Switch on temperature maximum limitation 86 MAX3F 136 F Switch off temperature maximum limitation 86 MIN3O 40 F Switch on temperature minimum limitation...

Страница 13: ...switched off again Sensor Ter minal Designation Description S1 TCOL Temperature collector S2 TSTB Temperature tank bottom S3 TSTT Temperature tank top S4 Optional sensor for measurement purposes or op...

Страница 14: ...Heat dump 85 AH Backup heating option AH O 110 F Backup heating switch on temperature 87 AH F 120 F Backup heating switch off temperature 87 t1O 06 00 Switch on time 1 88 t1F 22 00 Switch off time 1...

Страница 15: ...Optional sensor for measurement purposes or options S5 VFS RPS V40 Relay Description R1 Solar pump R2 R4 optional Thermal disinfection Parallel relay Heat dump R3 3 port valve tank top bottom Adjustme...

Страница 16: ...F Tank set option 83 TST1 120 F Set tank temperature tank 1 83 TST2 120 F Set tank temperature tank 2 83 tLB 2 min Loading break time 82 tRUN 15 min Circulation runtime 82 PSPEE OFF Pause speed option...

Страница 17: ...s or options VFS RPS V40 Relay Description R1 Solar pump R2 R4 optional Thermal disinfection Parallel relay Heat dump R3 3 port valve tank 1 2 Adjustment channels Channel Sub channel 1 Sub channel 2 F...

Страница 18: ...lection 82 LLOGI Loading logic PRIO Priority logic 82 PRIO 1 Priority logic 82 OSTS OFF Tank set option 83 TST1 120 F Set tank temperature tank 1 83 TST2 120 F Set tank temperature tank 2 83 tLB 2 min...

Страница 19: ...l sensor for measurement purposes or options VFS RPS V40 Relay Description R1 Solar pump tank 1 R2 Solar pump tank 2 R3 optional Thermal disinfection Parallel relay Heat dump R4 Adjustment channels Ch...

Страница 20: ...riority logic 82 OSTS OFF Tank set option 83 TST1 120 F Set tank temperature tank 1 83 TST2 120 F Set tank temperature tank 2 83 OSE OFF Spread function option 83 DTSE 40 Spread difference 83 tLB 2 mi...

Страница 21: ...r for measurement purposes or options RPS V40 Adjustment channels Channel Sub channel 1 Sub channel 2 Factory setting Change to Description Page ARR 1 7 System 78 LOAD Loading DT O 12 R Switch on temp...

Страница 22: ...r starting time 2 81 TCEN2 19 00 Evacuated tube collector ending time 2 81 TCRU2 30 s Evacuated tube collector runtime 2 81 TCIN2 30 min Evacuated tube collector standstill interval 2 81 LLOGI Loading...

Страница 23: ...or measurement purposes or options VFS RPS V40 Relay Description R1 Solar pump R3 Loading pump solid fuel boiler R2 optional Thermal disinfection Booster pump Parallel relay Heat dump R4 Adjustment ch...

Страница 24: ...difference 86 DT3S 20 R Set difference 86 RIS3 4 R Rise 86 MAX3O 140 F Switch on temperature maximum limitation 86 MAX3F 136 F Switch off temperature maximum limitation 86 MIN3O 140 F Switch on temper...

Страница 25: ...al sensor for measurement purposes or options VFS RPS V40 Relay Description R1 Solar pump R2 Return preheating R3 optional Thermal disinfection Booster pump Parallel relay Heat dump R4 Adjustment chan...

Страница 26: ...ooling 85 OSTC OFF Tank cooling 85 OHDP OFF Heat dump 85 DT3 Solid fuel boiler DT3O 12 R Switch on difference 86 DT3F 8 R Switch off difference 86 S2DT3 3 Reference sensor heat source 87 PUMP Pump spe...

Страница 27: ...top Temp tank return preheating S4 TRET Temperature return S5 Optional sensor for measurement purposes or options VFS RPS V40 Relay Description R1 Solar pump R2 Return preheating R3 optional Thermal...

Страница 28: ...e 86 DT3F 8 R Switch off difference 86 S2DT3 3 Reference sensor heat source 87 AH Backup heating option AH O 110 F Backup heating switch on temperature 87 AH F 120 F Backup heating switch off temperat...

Страница 29: ...or measurement purposes or options VFS RPS V40 Relay Description R1 Solar pump R2 Heat exchange pump R3 3 port valve tank top bottom R4 optional Thermal disinfection Parallel relay Heat dump System 11...

Страница 30: ...ption 83 PDELA OFF Pump delay option 83 OOVRU OFF Overrun option 84 COOL Cooling functions OSYC OFF System cooling 85 OSTC OFF Tank cooling 85 OHDP OFF Heat dump 85 DT3 Heat exchange DT3O 12 R Switch...

Страница 31: ...k loading and thermostatic backup heating R3 R1 S3 S2 S1 Temp Sensor Pt1000 L R3 R2 R1 GND S1 S2 S3 S4 S5 VBus PWM 1 PWM 2 N R4 V40 L VFS RPS out in Note 3 port valve normally open tank bottom adjuste...

Страница 32: ...82 tRUN 15 min Circulation runtime 82 PSPEE OFF Pause speed option 83 PDELA OFF Pump delay option 83 OOVRU OFF Overrun option 84 COOL Cooling functions OSYC OFF System cooling 85 OSTC OFF Tank coolin...

Страница 33: ...ns VFS RPS V40 Relay Description R1 Solar pump R2 optional Thermal disinfection Parallel relay Heat dump R3 Loading pump solid fuel boiler R4 3 port valve tank top bottom Adjustment channels Channel S...

Страница 34: ...on 83 PDELA OFF Pump delay option 83 OOVRU OFF Overrun option 84 COOL Cooling functions OSYC OFF System cooling 85 OSTC OFF Tank cooling 85 OHDP OFF Heat dump 85 DT3 Solid fuel boiler DT3O 12 R Switch...

Страница 35: ...ll be activated and the corresponding tank zone will be loaded up to the adjusted maximum temperature via the valve R3 The prio rity logic effects prior loading of the upper zone of the tank With anot...

Страница 36: ...T1 120 F Set tank temperature tank 1 83 TST2 120 F Set tank temperature tank 2 83 tLB 2 min Loading break time 82 tRUN 15 min Circulation runtime 82 PSPEE OFF Pause speed option 83 PDELA OFF Pump dela...

Страница 37: ...loading and backup heating via heating backup R4 R3 R2 R1 S4 S3 S2 S1 Temp Sensor Pt1000 L R3 R2 R1 GND S1 S2 S3 S4 S5 VBus PWM 1 PWM 2 N R4 V40 L VFS RPS out in Adjustment channels Channel Sub channe...

Страница 38: ...collector off 82 LLOGI Loading logic PRIO Priority logic 82 PRIO 2 Priority logic 82 OSTS OFF Tank set option 83 TST1 120 F Set tank temperature tank 1 83 TST2 120 F Set tank temperature tank 2 83 tLB...

Страница 39: ...gy metering option 90 GFDS OFF Registration Grundfos sensors 90 PRS OFF Pressure monitoring option 92 DATE Enter date 92 LANG En Language 93 UNIT F Unit 92 OSDC SD card option 93 CODE 0000 User code 9...

Страница 40: ...ure difference 1 78 RIS1 4 R Rise 1 78 S1MAX 140 F Tank maximum limitation 1 78 SMXS1 2 Sensor tank max 1 79 LOAD2 Loading 2 DT2O 12 R Switch on temperature difference 2 78 DT2F 8 R Switch off tempera...

Страница 41: ...peed option 83 PDELA OFF Pump delay option 83 OOVRU OFF Overrun option 84 COOL Cooling functions OSYC OFF System cooling 85 OSTC OFF Tank cooling 85 OHDP OFF Heat dump 85 DT3 Heat exchange DT3O 12 R S...

Страница 42: ...DT1F 8 R Switch off temperature difference 1 78 DT1S 20 R Set temperature difference 1 78 RIS1 4 R Rise 1 78 S1MAX 140 F Tank maximum limitation 1 78 SMXS1 2 Sensor tank max 1 79 LOAD2 Loading 2 DT2O...

Страница 43: ...rature tank 1 83 TST2 120 F Set tank temperature tank 2 83 OSE OFF Spread function option 83 DTSE 40 Spread difference 83 tLB 2 min Loading break time 82 tRUN 15 min Circulation runtime 82 PSPEE OFF P...

Страница 44: ...channel 2 Factory setting Change to Description Page LANG En Language 93 UNIT F Unit 92 OSDC SD card option 93 CODE 0000 User code 96 RESET OFF Factory setting This channel is only available if the G...

Страница 45: ...Set temperature difference 78 RIS 4 R Rise 78 S MAX 140 F Tank maximum limitation 78 SMAXS 2 Sensor tank max 79 COL 1 Collector 1 CEM1 270 F Collector emergency temperature 1 80 OCCO1 OFF Option colle...

Страница 46: ...tube collector standstill interval 2 81 LLOGI Loading logic OOVRU OFF Overrun option 84 COOL Cooling functions OSYC OFF System cooling 85 OSTC OFF Tank cooling 85 OHDP OFF Heat dump 85 DT3 Heat excha...

Страница 47: ...78 S MAX 140 F Tank maximum limitation 78 SMAXS 2 Sensor tank max 79 COL 1 Collector 1 CEM1 270 F Collector emergency temperature 1 80 OCCO1 OFF Option collector cooling 1 80 CMAX1 230 F Maximum colle...

Страница 48: ...ector runtime 2 81 TCIN2 30 min Evacuated tube collector standstill interval 2 81 LLOGI Loading logic OOVRU OFF Overrun option 84 COOL Cooling functions OSYC OFF System cooling 85 OSTC OFF Tank coolin...

Страница 49: ...fference 78 DT S 20 R Set temperature difference 78 RIS 4 R Rise 78 S MAX 140 F Tank maximum limitation 78 SMAXS 2 Sensor tank max 79 COL 1 Collector 1 CEM1 270 F Collector emergency temperature 1 80...

Страница 50: ...collector standstill interval 2 81 LLOGI Loading logic OOVRU OFF Overrun option 84 COOL Cooling functions OSYC OFF System cooling 85 OSTC OFF Tank cooling 85 OHDP OFF Heat dump 85 DT3 Return preheati...

Страница 51: ...erence 78 DT F 8 R Switch off temperature difference 78 DT S 20 R Set temperature difference 78 RIS 4 R Rise 78 S MAX 140 F Tank maximum limitation 78 SMAXS 2 Sensor tank max 79 COL 1 Collector 1 CEM1...

Страница 52: ...uated tube collector ending time 2 81 TCRU2 30 s Evacuated tube collector runtime 2 81 TCIN2 30 min Evacuated tube collector standstill interval 2 81 LLOGI Loading logic OOVRU OFF Overrun option 84 CO...

Страница 53: ...rence 1 78 DT1S 20 R Set temperature difference 1 78 RIS1 4 R Rise 1 78 S1MAX 140 F Tank maximum limitation 1 78 SMXS1 2 Sensor tank max 1 79 LOAD2 Loading 2 DT2O 12 R Switch on temperature difference...

Страница 54: ...r minimum limitation 2 80 CMIN2 50 F Minimum collector temperature 2 80 OTCO2 OFF Option evacuated tube collector function 2 81 TCST2 07 00 Evacuated tube collector starting time 2 81 TCEN2 19 00 Evac...

Страница 55: ...nnel 1 Sub channel 2 Factory setting Change to Description Page UNIT F Unit 92 OSDC SD card option 93 CODE 0000 User code 96 RESET OFF Factory setting This channel is only available if the Grundfos se...

Страница 56: ...1 78 S1MAX 140 F Tank maximum limitation 1 78 SMXS1 2 Sensor tank max 1 79 LOAD2 Loading 2 DT2O 12 R Switch on temperature difference 2 78 DT2F 8 R Switch off temperature difference 2 78 DT2S 20 R Se...

Страница 57: ...I2 OFF Option collector minimum limitation 2 80 CMIN2 50 F Minimum collector temperature 2 80 OTCO2 OFF Option evacuated tube collector function 2 81 TCST2 07 00 Evacuated tube collector starting time...

Страница 58: ...channel 2 Factory setting Change to Description Page LANG En Language 93 UNIT F Unit 92 OSDC SD card option 93 CODE 0000 User code 96 RESET OFF Factory setting This channel is only available if the G...

Страница 59: ...e 1 78 DT1F 8 R Switch off temperature difference 1 78 DT1S 20 R Set temperature difference 1 78 RIS1 4 R Rise 1 78 S1MAX 140 F Tank maximum limitation 1 78 SMXS1 2 Sensor tank max 1 79 LOAD2 Loading...

Страница 60: ...TCO2 OFF Option evacuated tube collector function 2 81 TCST2 07 00 Evacuated tube collector starting time 2 81 TCEN2 19 00 Evacuated tube collector ending time 2 81 TCRU2 30 s Evacuated tube collector...

Страница 61: ...infection option 89 OPARR OFF Parallel relay option 90 OHQM OFF Energy metering option 90 GFDS OFF Registration Grundfos sensors 90 PRS OFF Pressure monitoring option 92 DATE Enter date 92 LANG En Lan...

Страница 62: ...perature difference 1 78 DT1F 8 R Switch off temperature difference 1 78 DT1S 20 R Set temperature difference 1 78 RIS1 4 R Rise 1 78 S1MAX 140 F Tank maximum limitation 1 78 SMXS1 2 Sensor tank max 1...

Страница 63: ...0 OCMI2 OFF Option collector minimum limitation 2 80 CMIN2 50 F Minimum collector temperature 2 80 OTCO2 OFF Option evacuated tube collector function 2 81 TCST2 07 00 Evacuated tube collector starting...

Страница 64: ...F Thermal disinfection option 89 OPARR OFF Parallel relay option 90 OHQM OFF Energy metering option 90 GFDS OFF Registration Grundfos sensors 90 PRS OFF Pressure monitoring option 92 DATE Enter date 9...

Страница 65: ...fference 2 78 DT2F 8 R Switch off temperature difference 2 78 Sensor Ter minal Designation Description S1 TCOL1 Temperature collector 1 S2 TSTB Temperature tank bottom S3 TSTT Temperature tank top S4...

Страница 66: ...temperature 2 80 OTCO2 OFF Option evacuated tube collector function 2 81 TCST2 07 00 Evacuated tube collector starting time 2 81 TCEN2 19 00 Evacuated tube collector ending time 2 81 TCRU2 30 s Evacua...

Страница 67: ...infection option 89 OPARR OFF Parallel relay option 90 OHQM OFF Energy metering option 90 GFDS OFF Registration Grundfos sensors 90 PRS OFF Pressure monitoring option 92 DATE Enter date 92 LANG En Lan...

Страница 68: ...this purpose the pump has to be connected to the relay as well as to one of the PWM outputs of the controller see page 4 In the PUMP adjustment channel one of the PWM control types has to be selected...

Страница 69: ...n or option are available In order to activate or deactivate a function it must be selected in the menu level The display changes to the ad justment menu in which all adjustments required can be carri...

Страница 70: ...hanumeric 16 segment display In this line mainly channel names and menu items are displayed In the lower 7 segment display channel values and the adjustment para meters are displayed Temperatures and...

Страница 71: ...eating solid fuel boiler with additional symbol Upper tank sensor Valve System screen in the system monitoring display If the controller operates faultlessly normal operation a smiley is displayed 3 5...

Страница 72: ...solar return TSFB Temperature solid fuel boiler TSTR Temperature tank return preahting TRET Temperature return S3 Temperature sensor 3 S4 Temperature sensor 4 S5 Temperature sensor 5 n1 Speed relay 1...

Страница 73: ...ri bed in the following In order to make an adjustment push button 5 The set symbol flashes and the adjustment can 5 System Adjust the desired system 6 Maximum tank temperature Adjust the maximum tank...

Страница 74: ...ank system or vertical tank loading has been selected in the sub channel ARR 8 Pump control type Adjust the type of pump control for PUMP1 Carry out this adjustment for PUMP2 if needed 9 Minimum speed...

Страница 75: ...r system Initialization INIT Initialization active Filling time FLLT Filling time active Stabilization STAB Stabilization Display of drainback time periods Indicates the time adjusted in tDTO running...

Страница 76: ...counter press the set button 5 The display symbol will flash and the operating hours will be set to 0 Confirm the reset with the set button 5 in order to finish the reset In order to interrupt the RES...

Страница 77: ...reset In order to interrupt the RESET process no button should be pressed for about 5 s The display returns to the display mode Display of heat quantity If the thermal disinfection option OTDIS is ac...

Страница 78: ...difference LOAD 1 2 DT 1 2 S Set temperature difference Adjustment range 3 0 90 0 R in steps of 1 0 R Factory setting 20 0 R LOAD 1 2 RIS 1 2 Rise Adjustment range 2 0 40 R in steps of 2 R Factory set...

Страница 79: ...em S4 S5 Factory setting 1 tank system S2 2 tank system S4 Note In 1 tank systems with sensor S3 as the reference sensor loading will be switched off if the tempe rature at S2 or S3 reaches the tank e...

Страница 80: ...lar pump is activated until the collector temperature falls below the maximum collector tempera ture The tank temperature may then exceed the maximum temperature but only up to 200 F emergency shutdow...

Страница 81: ...1 2 Standstill interval Adjustment range 5 60 min in steps of 00 01 Factory setting 30 min Note If the drainback option ODB is activated the evacuated tube collector function OTCO will not be availabl...

Страница 82: ...lves the tank with the lowest temperature will be loaded first until its temperature is by 10 R above the other tank Loading will be switched to the other tank Then the 2 tanks will be loaded alternat...

Страница 83: ...ed on during the loading break time Speed is determined by the value adjusted in nLO If the pump delay is activated the corresponding relay for the valve will be energized first The pump s will be act...

Страница 84: ...n a second pump when filling the solar system When solar loading starts R3 R4 is energized in parallel to R1 After the filling time tFLL has ended R2 is switched off Note The booster function is avail...

Страница 85: ...tank temperature S MAX S1MAX S2MAX is exceeded and the collector tempe rature falls below the tank temperature the system will be reactivated in order to cool down the tank Reference temperature diff...

Страница 86: ...as well as the set temperature difference DT3S and rise RIS3 are valid Minimum temperature limitation Maximum temperature limitation DT3 MIN3O Switch on temperature Adjustment range 30 0 190 0 F Fact...

Страница 87: ...ence sensor Selection 3 5 Factory setting 3 In order to heat the heating circuit return by means of heat supplied by the solar circuit the controller is equipped with a return preheating function If t...

Страница 88: ...time 1 Adjustment range 00 00 23 45 Factory setting 22 00 For control and service work the operating mode of the controller can be manually adjusted For this purpose select the adjustment value MAN T...

Страница 89: ...S3 exceeds TDIS by more than 10 R relay 2 is switched off until the tempera ture falls below TDIS 4 R If during DDIS the temperature at S3 falls below TDIS the heating period will restart DDIS can onl...

Страница 90: ...ut flowmeterV40 with flowmeterV40 or with Grundfos sensor Enable the energy metering option in the channel OHQM Select the type of flow rate detection in the channel FTYPE OHQM FTYPE Flow rate detecti...

Страница 91: ...sensor For this function free sensors at an appropriate position can be selected The pre adjusted flow sensor is S1 the return sensor is S4 OHQM SRHQM Return sensor Adjustment range 2 3 4 5 Factory s...

Страница 92: ...factory setting 1 0 bar In the case of low pressure the message ELEAK will be displayed PRS LEAKO on at Adjustment range 0 3 5 7 bar Factory setting 0 7 bar PRS LEAKF off at Adjustment range 0 6 6 0...

Страница 93: ...German En English LANG Language Selection dE En Factory setting En SD card If an SD card is used COM is shown on the display If the SD card is full COM is flashing Starting the logging Insert the SD...

Страница 94: ...oring period interval 89 DDIS 01 00 Heating period duration of disinfection 89 TDIS 140 F Disinfection temperature 89 SDIS 00 00 Starting time 90 TSDIS 3 Temperature sensor for disinfection 90 OTDIS O...

Страница 95: ...AKO 0 7 bar Low pressure switch on value 92 LEAKF 1 0 bar Low pressure switch off value 92 DATE Enter date 92 TIME 12 00 Time 92 YYYY 2010 Year 92 MM 03 Month 92 DD 15 Day 92 LANG En Language 93 UNIT...

Страница 96: ...ing Adjustment range Description TIME 12 00 00 00 23 59 Time DT O 12 R 2 0 90 0 R Switch on temperature difference tank DT F 8 R 1 0 89 0 R Switch off temperature difference tank DT S 20 R 3 0 90 0 R...

Страница 97: ...plugs If a sensor signal does not appear the sensor has to be replaced ERPS 9999 Error at RPS sensor ELEAK Measured minimum pressure Leakage error Check the system for a leakage EPRES Measured maximum...

Страница 98: ...t c i rc u i t Check the cable Disconnected PT1000 temperature sen sors can be checked with an ohmmeter Please check the resistance values corre spond with the table The controller is protected by a f...

Страница 99: ...ean it Heat exchanger too small yes Replace with correctly sized one no Plausibility control of the option evacuated tube collector function antifreeze function Change Ton and Toff correspondingly Swi...

Страница 100: ...rt up in manual operation yes There is no current check fuses replace them and check power supply The adjusted temperature difference for starting the pump is too high choose a value which makes more...

Страница 101: ...ard mini USB port it enables a fast transmission of system data for processing visualising and archiving as well as the parametrization of the controller via theVBus A full version of the ServiceCente...

Страница 102: ...gned to signal system failures It is to be connected to the VBus of the controller and issues an optical signal via the red LED if a failure has occur red TheAM1 also has a dry contact relay output wh...

Страница 103: ...78 Maximum temperature limitation 86 Minimum collector limitation 80 Minimum speed 79 Minimum temperature limitation 86 Monitoring period display channel 77 O Operating hours counter 76 Other tempera...

Страница 104: ...y be used at your own risk They can only be used at your own risk No liability is assumed for incorrect incomplete or false information and or the resulting damages Note The design and the specificati...

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