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© Caleffi 08301_iSolar Plus 24V

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4.1.1  Indicataion of collector temperatures

Shows the current collector temperature.

  COL  :  collector temperature (1-collector-system)

  COL1 :  collector temperature 1

  COL2 :  collector temperature 2

COL, COL1, COL2:

Collector temperature
display range: -40 ... +480°F

4.1.2  Indication of tank temperatures

Shows the current tank temperature.

  TST  :  tank temperature (1-tank-system)

  TSTL  :  tank temperature lower

• 

TSTU :  tank temperature above

  TST1 :  temperature tank 1

• 

TST2 :  temperature tank 2 

TST, TSTL, TSTU,  
TST1, TST2:

Tank temperatures
Display range: -40 ... +480 °F

4.1.3  Indication of sensor 3 and sensor 4

Shows the current temperature of the corresponding addi-
tional sensor (without control function).

  S3 

:  temperature sensor 3

  S4 

:  temperature sensor 4

Please note:

 

 

S3 and S4 are only shown if the temperature sensors are 
connected.

S3, S4:
S3, S4:

Sensor temperatures
Display range: -40 ... +480 °F

4.1.4  Indication of other temperatures

Shows the current temperature of the corresponding 
sensor.

  TFSB  :  temperature solid fuel boiler

  TRET :  temperature heating reverse raising

  TRF  :  temperature return flow

TFSB, TRET, TRF:

other mea sured tempe ratures
Display range: -40 ... +480 °F

4.1.5  Time

In this channel the current time is indicated.  
By pressing button 

 for 2 seconds the hours, by pressing 

it again the minutes are displayed blinking. The time can 
be set by buttons 1 and 2 and saved by pressing the 

 

button.

Summary of Contents for iSolar Plus 24V

Page 1: ...R PLUS 24V Mounting Connection Operation Fault diagnostics Application examples Thanks for buying this product Read this manual carefully to get the best perfomance from this unit manual 49006580 4900...

Page 2: ...w 13 4 1 1 6 Indication channels 15 4 1 6 21 Adjustment channels 16 5 Tips for fault localization 21 5 1 Various 22 6 Accessory 24 Safety advice Please pay attention to the following safety advice in...

Page 3: ...ssible Display System screen for system visualisation 16 segment display 7 seg ment display 8 symbols for system status and operating control lamp Operation by 3 pushbuttons in the front of the housin...

Page 4: ...ds set the lower dowel 4 Mount the housing to the top and fix it with the lower fastening screw 1 Installation Warning Switch off power supply before opening the housing 1 2 Electrical connection The...

Page 5: ...ule WMZ large display GA3 Data logger DL1 Data teleindication DFA2 Additionaly the controller can be connected to the PC with the help of a RS COM adapter With the ServiceCenter Software RCS the contr...

Page 6: ...2 3 Allocation of clamps for system 2 Solar system and heat exchange with an existing tank with 1 tank 4 sensors and 2 pumps Arr 2 Tank 1 Tank 2 Symbol Specification S1 Collector sensor S2 Tank sensor...

Page 7: ...lar system with valve logic with 2 tanks 3 sensors 1 solar pump and 1 3 way valve Sensor S4 TRF can optionally be used for heat quantity balancing R2 S4 TRF S1 R1 S2 S3 S4 TRF Arr 4 Arr 5 Tank 1 Tank...

Page 8: ...lamps for system 6 2 tank solar system with pump logic with 2 tanks 3 sensors and 2 solar pumps Arr 6 Tank 1 Tank 2 S4 Symbol Specification S1 Collector sensor S2 Tank sensor 1 S3 Tank sensor 2 S4 Mea...

Page 9: ...after heating Solar system and heating circuit reverse raising with 1 tank 4 sensors 1 solar pump and 1 3 way valve for heating circuit reverse raising Arr 8 Arr 9 Symbol Specification S1 Collector se...

Page 10: ...1 is used for scrolling forward through the indication menu or to increase the adjustment values The backwards key 2 is accordingly used for the reverse function For adjustment of last indication chan...

Page 11: ...The flow direction or the current breaking capacity is always shown Heating circuit Tanks 1 and 2 with heat exchanger Afterheating with burner symbol Temperature sensor 2 2 3 System screen System Scr...

Page 12: ...and saved by pressing the button 3 select adjustment channel Arr change into mode see 2 1 adjustment are saved by pressing button Now the controller is ready for operation and should enable an optimu...

Page 13: ...U x x x x Temperature tank 1 below 15 TST1 x x x Temperature tank 1 below 15 TSTO x x x x x Temperature tank 1 at the top 15 TST2 x x x Temperature tank 2 below 15 TFSB x Temperature solid hot fuel bo...

Page 14: ...tifreeze temperature collector 2 18 PRIO x x x priority 19 tST x x x stop time 19 tRUN x x x Ciruclation time 19 OREC x x x x x x x x x option reccoling 19 O TC x x x x x x x x x option tube collector...

Page 15: ...sor 3 and sensor 4 Shows the current temperature of the corresponding addi tional sensor without control function S3 temperature sensor 3 S4 temperature sensor 4 Please note S3 and S4 are only shown i...

Page 16: ...the value for heat quantity will be set to 0 In order to finish the RESET procedure the button must be pressed in order to confirm the data In order to interrupt the RESET procedure no button should...

Page 17: ...ler is equipped with an independent tempe rature differential regulation for which minimum and maximum temperature limations as well as corresponding switch on and off temperatures can be separately a...

Page 18: ...lector minimum limitation OFF ON Factory setting OFF The minimum collector temperature is a minimum switching temperature which must be exceeded so that the solar pump R1 R2 is switched on The minimum...

Page 19: ...for 30 seconds If the switch on difference between collector and tank is again exceeded during the runtime of the solar pump or the standstill of the system the controller automatically switches over...

Page 20: ...nt range 30 205 F Factory setting 105 F AH F Thermostat switch off tem pe rature Adjustment range 30 205 F Factory setting 115 F t1 E t2 E t3 E Thermostat switch on time Adjustment range 00 00 23 45 F...

Page 21: ...9 1252 41 1019 158 1271 50 1039 167 1290 59 1058 176 1309 68 1078 185 1328 77 1097 194 1347 86 1117 203 1366 95 1136 212 1385 104 1155 221 1404 113 1175 230 1423 122 1194 239 1442 Resistance values of...

Page 22: ...e Decalification no Heat exchanger plugged yes no Cleaning Heat exchanger too small yes New calculation of the dimension no Plausibility control of the option tube collector spe cial function Change T...

Page 23: ...mp start up in manual operation yes There is no current check fuses replace them and check power supply The adjusted tempe rature difference for starting the pump is too high choose a matching setting...

Page 24: ...range comprises high precision platin tem perature sensors flatscrew sensors ambient temperature sensors indoor temperature sensors cylindrical clip on sensors and irradiation sensors also to be used...

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