ReFreeX user manual for H424V3
Contents
1. ZerrexX E A H424V3 User manual ID MICHELETTI IMPIANTI doc H424V3 Contents Contents 1 2 8 9 Parameter list Parameter remarks Alarm list Slave alarm list Button list Led list Soft command list How to Shortcut list 10 Led and push button location The IATEX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 2 8 ID MICHELETTI IMPIANTI doc H A I 24V3 1 Parameter list Rem Parameter Description 2 oO ON 10 11 12 13 14 S St_ _t0 _td Fd FdO Fdd Fdg FdE FdP FdY FF FFh FFd FFo FP_ FPt FPe FPM FPS FPX FPY Ft_ Ftt nE nEH nEF nEg cP cPH cPF cPd el clH clo cld vP vPH vPP vPd vt vtt vtH vtL vtU vd vdi vd2 vdd b b1_ b1C b1A b2 b2C b2A b3 _ b3C b3A b4 b4C b4A a Lt LtL LtH Ltd LO_ Functions about storage Functions about storage temperature storage room temperature differential Functions about defrost duration and timing immediate delay before next defrost on time duration of the defrost dripping time after defrost evaporator fan activation delay after the defrost overall period of the defrost temperature display timeout after end of defrost resets A1 OS4 OS5 Functions about forced defrost enable forced defrost by keyboard short cut forced defrost duration start immediate forced defrost Functions about defrost preference defros2. minimum overheating maximum pressure allowed in the suction line similar to Danfoss MOP Functions about electronic expansion valve timing on off duty cycle duration on duty cycle duration at refrigeration start set to 0 for previous stop value on duty cycle adaptation speed low value for slow adaptation and small swinging Functions about probe calibration Probe nr 1 room temperature enable probe Probe nr 2 defrost temperature enable probe Probe nr 3 suction temperature enable probe Probe nr 4 unused temperature eventually used by Id4 enable probe Functions about alarm and stand by Temperature alarm low temperature alarm set point high temperature alarm set point alarm delay Door alarm Minimum 55 0 0 0 OS OG OG oFF oFF oFF 55 0 oFF oFF oFF oFF oFF oFF oFF oFF 999 0 999 0 999 0 0 0 ooo 999 0 oFF 999 0 oFF 999 0 oFF 999 0 oFF 55 0 55 0 0 Maximum 145 0 50 0 194 4 20 15 194 4 20 15 194 4 20 15 194 4 20 15 194 4 20 15 194 4 20 15 _on 194 4 20 15 on 4 on on _on 255 255 145 0 on on on on _on 194 4 20 15 on _on 194 4 20 15 on 4 255 999 0 999 0 999 0 999 0 194 4 20 15 194 4 20 15 255 999 0 _on 999 0 _on 999 0 _on 999 0 on 145 0 145 0 194 4 20 15 Default 2 0 0 2 0 30 00 2 00 7 00 4 00 00 20 00 Unit C K dd hh mm ss dd hh mm ss dd hh mm ss
3. OSn evaporator fan stopped by door opening or manual control oFF _on oFF OSS defrost status I normal 2 defr 3 drip 4 fan delay 5 forced 6 wait 0 255 0 OSF defrost timer in countdown mode 0 194 4 20 15 0 dd hh mm ss OSb special defrost display in progress affects OS4 and OS5 see FdY oFF _on oFF OSY timer of the temperature display timeout after the end of defrost see FdY 0 194 4 20 15 0 dd hh mm ss OSX communication alarm 0 normal 87 out of range 88 no link 89 lost link 0 255 0 LLA actual alarm read only 0 means no alarm 0 255 0 Od Digital output 15 Od1 solenoid oFF _on oFF 15 Od3 light oFF _on oFF 15 Od5 evaporator oFF _on oFF 15 Od6 defrost oFF on oFF vosnsouRrwmHrS Parameter remarks Remark The period of each cycle includes on time off time that is the overall duration of the cycle Following defrost cycles will be aligned to the end of forced one For defrost synchronization of refrigerated expositors No action if the light is switched on from inside the room When off the refrigeration solenoid is steadily on during cooling The address of the central unit who is broadcasting pressure usually 1 Use 0 for previous application H425V1 with no origin specification Caution Low overheating causes liquid return and compressor damage Overheating over the maximum forces valve anticipated opening Overheating under the minimum delays valve opening Caution Short duty cycle reduces valv
4. about display rotation when EYr 1 duration of label display during rotation duration of value display during rotation Functions about display rotation when EYr 2 repeated for each parameter duration of label display during rotation label text during rotation duration of value display during rotation Functions about display rotation when EYr 2 repeated for each parameter duration of label display during rotation label text during rotation duration of value display during rotation Functions about display rotation when EYr 2 repeated for each parameter duration of label display during rotation label text during rotation duration of value display during rotation Functions about display rotation when EYr 2 repeated for each parameter duration of label display during rotation label text during rotation duration of value display during rotation Functions about display rotation when EYr 2 repeated for each parameter duration of label display during rotation label text during rotation duration of value display during rotation Functions about display rotation when EYr 2 repeated for each parameter duration of label display during rotation Minimum oFF 0 0 oFF oorno 55 0 55 0 55 0 55 0 oFF oFF oFF oFF 0 0 55 0 999 0 oFF oFF oFF oFF or FOG e do het Maximum Default _on 194 4 20 15 194 4 20 15 on 254 31 31 145 0 145 0 145 0 145 0 on on o
5. activate and deactivate stand by In stand by every output is disabled except light leds from L1 to L6 blink timers continue to count The IATEX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 7 8 ID MICHELETTI IMPIANTI How to Function Stop or restart evaporator fans Press shortly the B3 button When the evaporator fans are stopped the display blinks Program the menu Keep pressed B6 to enter the menu Navigate up and down with B2 and B5 Select the submenu by B6 Change the parameter by B2 and B5 press B6 to confirm or B4 to go back without saving The changes will have effect after the exit from programming pressing B4 repeatedly Press B1 to exit immediately without saving any parameter Show or change temperature set Press shortly B6 the display shows the current set point change it by B2 and B5 and confirm it by B6 As alternative enter the menu program as explained above modify the parameter _t0 then confirm it Force a defrost Keep pressed B5 9 Shortcut list Buttons to press Shortcut description keep pressed 5 seconds B5 Force an immediate defrost 10 Led and push button location The KTEX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 8 8
6. for each parameter duration of label display during rotation label text during rotation duration of value display during rotation Functions about display rotation when EYr 2 repeated for each parameter duration of label display during rotation label text during rotation duration of value display during rotation Functions about buzzer enable buzzer Functions about storage Functions about storage temperature storage room temperature differential Functions about defrost duration and timing immediate delay before next defrost on time duration of the defrost dripping time after defrost evaporator fan activation delay after the defrost overall period of the defrost temperature display timeout after end of defrost resets A1 OS4 OS5 Functions about forced defrost enable forced defrost by keyboard short cut forced defrost duration start immediate forced defrost Functions about defrost preference defrost type O none 1 pause 2 air 3 electric 4 hot gas 5 heat pump 6 heat pump by hp use door closure input as start command for remote defrost this side is defrost master the instrument is divided in two sides this side is defrost slave this side is defrost slave from aux master 0 means from main master 255 whatever this side is defrost slave from side nr 255 means whatever Functions about defrost temperature defrost stop temperature Functions about fans Functions about evaporator fans force eva
7. F oFF 55 0 oFF oFF oFF oFF oFF oFF oFF oFF 999 0 999 0 999 0 0 0 ooo 999 0 oFF do us Maximum yyy 255 255 yyy 255 255 SARL 255 255 yyy 255 1 145 0 50 0 194 4 20 15 194 4 20 15 194 4 20 15 194 4 20 15 194 4 20 15 194 4 20 15 _on 194 4 20 15 on 4 on on _on 255 255 145 0 on on on on _on 194 4 20 15 on _on 194 4 20 15 on 4 255 999 0 999 0 999 0 999 0 194 4 20 15 194 4 20 15 255 999 0 on H424 Default Lt 0 1 oh 0 1 bF 0 1 SF 0 1 2 0 0 2 0 30 00 2 00 7 00 4 00 00 20 00 o AG dd hh mm ss dd hh mm ss dd hh mm ss dd hh mm ss dd hh mm ss dd hh mm ss on 30 00 oFF oFF oFF oFF 6 0 oFF oFF oFF on dd hh mm ss eS Dan nn zen on 30 00 on on 30 8 0 99 0 6 0 10 0 8 5 8 dd hh mm ss dd hh mm ss gauge bar dd hh mm ss dd hh mm ss The IATFX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 5 8 ID MICHELETTI IMPIANTI doc H424V3 Rem Parameter Description Minimum Maximum Default Unit b2C defrost temperature 999 0 999 0 0 0 K b2A enable probe oFF _on on b3 Probe nr 3 b3C suction temperature 999 0 999 0 0 0 K b3A enable probe oFF _on on b4 Probe nr 4 b4C unused temperature eventually used by Id4 999 0 999 0 0 0 K b4A ena
8. ble probe oFF _on _on L Functions about alarm and stand by Lt Temperature alarm 13 LtL low temperature alarm set point 55 0 145 0 2 0 C 14 LtH high temperature alarm set point 55 0 145 0 14 0 C Ltd alarm delay 0 194 4 20 15 30 00 dd hh mm ss LO_ Door alarm LOH enable door alarm oFF _on _on LOd door alarm delay 0 194 4 20 15 30 00 dd hh mm ss LOt temperature alarm minimum delay after door opening 0 194 4 20 15 15 00 dd hh mm ss Lo On stand by status Loo actual status stand by or on oFF _on oFF Functions about input output and machine state read only IA_ Analog inputs IAl room temperature 55 0 145 0 55 0 C IA2 defrost temperature 55 0 145 0 55 0 C IA3 suction temperature 55 0 145 0 55 0 C IA4 unused temperature eventually used by Id4 55 0 145 0 55 0 C Id Digital input Id2 evaporator hardware safety oFF _on oFF Id3 defrost hardware safety oFF _on oFF Id4 digital input 4 door closure remote defrost read by IA4 oFF _on oFF Id5 phase software safety oFF _on oFF OS Machine status OS1 low pressure LP 0 0 999 0 0 0 gauge bar OS2 refrigerant saturation temperature corresponding to the low pressure 55 0 145 0 55 0 C OS3 refrigerant overheating at the evaporator outlet 999 0 999 0 999 0 K OS4 temperature before defrost reads IA1 at range reentering after defrost 55 0 145 0 55 0 C OS5 set point temperature during defrost reads IA1 at range reentering after defrost 55 0 145 0 55 0 C
9. dd hh mm ss dd hh mm ss dd hh mm ss on 30 00 oFF 2 oFF oFF oFF 0 1 6 0 oFF oFF oFF on _on 30 00 on on 30 8 0 99 0 6 0 10 0 8 5 8 0 0 _on 0 0 _on 0 0 _on 0 0 on 2 0 14 0 30 00 dd hh mm ss FS gt DA dd hh mm ss dd hh mm ss gauge bar dd hh mm ss dd hh mm ss RE Ag ee RA IE oC dd hh mm ss The IATEX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 3 8 ID MICHELETTI IMPIANTI Rem Parameter Description LOH LOd LOt Lo_ Loo Bi PdM PdS PdX PdY I IA_ IAl IA2 1A3 1A4 Id Id2 Id3 Id4 Id5 OS OS1 052 053 054 055 OSn OSS OSF OSb OSY OSX LLA Od 15 Od1 15 Od3 15 Od5 15 Od6 E Ed EdS EdX EYE EYY EYr EYF EYt EO E0d EOE EI Eld Elt E1E E28 E2d E2t E2E ESE E3d E3t E3E EA E4d E4t E4E ESM E5d E5t E5E E6 E6d enable door alarm door alarm delay temperature alarm minimum delay after door opening On stand by status actual status stand by or on Functions about master preferences Functions about network address master address for global network communication number of slaves connected to this master number of aux masters connected to this master 0 means no aux connected this master is the auxiliary nr 0 means it is not aux Functions about input output and machine state read only Analog inputs ro
10. e life Caution Low overheating causes liquid return and compressor damage Caution High adaptation speed causes swing in the suction line and damage to the compressor The low temperature differential is fixed and alarm status stops at 0 2 C above the set point The high temperature differential is fixed and alarm status stops at 0 2 C under the set point The minus sign on display signals that output is going to start after a delay The IATEX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 6 8 CD MICHELETTI IMPIANTI doc H424v3 3 Alarm list Display Alarm A01 low temperature Low temperature limit has been reached A02 high temperature High temperature limit has been reached A03 door open Time limit for door opening has been reached A04 RTC memory loss Memory loss of real time clock RTC timer reset A05 Side 1 lost defrost Side 1 of the instrument is defrost slave and does not receive any message from the defrost master A06 Side 2 lost defrost Side 2 of the instrument is defrost slave and does not receive any message from the defrost master A07 Bad defr par side 1 Bad defrost parameters for side 1 of the instrument please ensure Fdd Fdg FdE lt FdP 5 sec lt FdP not concurrent FPS and FPM nor FPS and FPc nor PdX and PdY Put FPt 0 to avoid this check A08 Bad defr par side 2 Bad defrost parameters for side 2 of the instrument please ensure Fdd Fdg FdE lt FdP 5
11. n _on 999 0 145 0 999 0 145 0 145 0 _on 6 194 4 20 15 _on 194 4 20 15 255 255 eNO yyy 255 255 255 yyy 255 255 aA 255 255 yyy 255 255 yyy 255 255 yyy 255 255 on 30 00 15 00 oFF OONF 55 0 55 0 55 0 55 0 oFF oFF oFF oFF 0 0 55 0 999 0 55 0 55 0 H424V3 Unit dd hh mm ss dd hh mm ss gt gt gauge bar AC K C C oFF 0 0 dd hh mm ss oF ooo Tt oFF oFF oFF oFF z a m allo ne NOCH oF a m ol im a n U oOo E elle olr ols m d hh mm ss 2 The IATEX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 4 8 ID MICHELETTI IMPIANTI Rem Parameter Description 2 wo on 10 lil 12 E6t E6E E7_ E7d E7t E7E E8_ E8d Est E8E E9 Eod E9t E9E Eb EbH St to td Fd Fdo Fdd Fdg FdE FdP FdY FF FFh FFd FFo FP_ FPt FPc FPM FPS FPX FPY Ft Ftt nE nEH nEF nEg cP cPH cPF cPd A clH clo cld vP _ vPH vPP vPd vt vtt vtH vtL vtU vd vdi vd2 vdd bI bic b1A b2 label text during rotation duration of value display during rotation Functions about display rotation when EYr 2 repeated for each parameter duration of label display during rotation label text during rotation duration of value display during rotation Functions about display rotation when EYr 2 repeated
12. om temperature defrost temperature suction temperature unused temperature eventually used by Id4 Digital input evaporator hardware safety defrost hardware safety digital input 4 door closure remote defrost read by IA4 phase software safety Machine status low pressure LP refrigerant saturation temperature corresponding to the low pressure refrigerant overheating at the evaporator outlet temperature before defrost reads IA1 at range reentering after defrost set point temperature during defrost reads IA1 at range reentering after defrost evaporator fan stopped by door opening or manual control defrost status 1 normal 2 defr 3 drip 4 fan delay 5 forced 6 wait defrost timer in countdown mode special defrost display in progress affects OS4 and OS5 see FdY timer of the temperature display timeout after the end of defrost see FdY communication alarm O normal 87 out of range 88 no link 89 lost link actual alarm read only 0 means no alarm Digital output solenoid light evaporator defrost Functions about slave preferences Functions about network address slave address for local network communication auxiliary master served by this slave 0 means it is not aux Functions about display input to show on display 1 IA1 2 IA2 5 OS1 6 OS2 enable display rotation O off 1 all 2 selected display special text during defrost label of special text during defrost Functions
13. porator fans when refrigeration is off enable evaporator fans during defrost enable evaporator fans during dripping Functions about door and light Door switch and evaporator fan stop evaporator fans when door is open pause defrost timer when air defrost is suspended by evaporator fan stop delay of fan automatic switch on Functions about light switch on the light when the door is open and off when closed switch off the light automatically if it has been switched on from outside delay of light automatic switch off Functions about electronic expansion valve Functions about electronic expansion valve preference enable electronic expansion valve refrigerant gas type O R134A 1 R404A 2 R507A 3 R22 4 R407C network originating address of the pressure broadcast Functions about electronic expansion valve temperature wanted overheating similar to Danfoss thermostatic overheating spring regulation maximum overheating minimum overheating maximum pressure allowed in the suction line similar to Danfoss MOP Functions about electronic expansion valve timing on off duty cycle duration on duty cycle duration at refrigeration start set to 0 for previous stop value on duty cycle adaptation speed low value for slow adaptation and small swinging Functions about probe calibration Probe nr 1 room temperature enable probe Probe nr 2 Minimum 000 0 0 000 0 0 000 0 0 000 0 0 55 0 0 0 OG OF oO oFF oF
14. sec lt FdP not concurrent FPS and FPM nor FPS and FPc nor PdX and PdY Put FPt 0 to avoid this check 4 Slave alarm list Display Alarm A96 slave EEPROM Failed write operation onto the slave EEPROM A97 out of range The slave address EdS might be out of the master range the latter going from 1 to PdS A98 no link The slave does not receive any message from the master A99 lost link The slave lost the communication with the master 5 Button list Push button Function Bl esc silence Exit without saving from any menu alarm buzzer silence B2 up Up navigation in the menu B3 on stand by pause Toggle between on and stand by toggle evaporator fan stop B4 left light Left navigation in the menu switch the light on and off B5 down defrost Down navigation in the menu force immediate defrost B6 right menu set Right navigation in the menu display and modify the set point enter menu 6 Led list Led Function L1 cooling On during cooling L2 evaporator On during evaporator run blinking slowly during activation delay L3 defrost On during defrost blinking slowly during dripping L4 unused Unused in this application L5 unused Unused in this application L6 unused Unused in this application L7 light On when lighting is on blinking slowly during deactivation delay 7 Soft command list Soft command Function 8 How to How to Function Switch between on and stand by Keep pressed B3 button to
15. t type O none 1 pause 2 air 3 electric 4 hot gas 5 heat pump 6 heat pump by hp use door closure input as start command for remote defrost this side is defrost master the instrument is divided in two sides this side is defrost slave this side is defrost slave from aux master 0 means from main master 255 whatever this side is defrost slave from side nr 255 means whatever Functions about defrost temperature defrost stop temperature Functions about fans Functions about evaporator fans force evaporator fans when refrigeration is off enable evaporator fans during defrost enable evaporator fans during dripping Functions about door and light Door switch and evaporator fan stop evaporator fans when door is open pause defrost timer when air defrost is suspended by evaporator fan stop delay of fan automatic switch on Functions about light switch on the light when the door is open and off when closed switch off the light automatically if it has been switched on from outside delay of light automatic switch off Functions about electronic expansion valve Functions about electronic expansion valve preference enable electronic expansion valve refrigerant gas type O R134A 1 R404A 2 R507A 3 R22 4 R407C network originating address of the pressure broadcast Functions about electronic expansion valve temperature wanted overheating similar to Danfoss thermostatic overheating spring regulation maximum overheating
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