ReFreeX user manual for H422V8
Contents
1. ZerrexX E A H422V8 User manual ID MICHELETTI IMPIANTI doc H422V8 Contents Contents 1 Parameter list 2 Parameter remarks 3 Alarm list 4 Slave alarm list 5 Button list 6 Led list 7 Soft command list 8 How to 9 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 oc H422V8 1 Parameter list Rem Parameter Description Minimum Maximum Default Unit So Functions about storage St_ Functions about storage temperature _t0 storage room temperature 55 0 145 0 2 0 C tb dead band 0 0 50 0 0 0 K td differential 0 0 50 0 0 2K _tH maximum set point of temperature from slave keyboard 55 0 145 0 45 0 C _tL minimum set point of temperature from slave keyboard 55 0 145 0 55 0 C _i0 storage room humidity 0 0 100 0 85 0 ib dead band 0 0 50 0 0 0 id differential 0 0 50 0 5 0 _iH maximum set point of humidity from slave keyboard 0 0 100 0 100 0 _iL minimum set point of humidity from slave keyboard 0 0 100 0 0 0 SA _ Functions about air renew during storage SAH enable air renew during storage oFF _on oFF SAO immediate delay before first air renew 0 194 4 20 15 0 dd hh mm ss SAd on time duration in the air renew cycle 0 194 4 20 15 30 00 dd hh mm ss SAP period of air renew cycle 0 194 4 20 15 12 00 00 dd hh mm ss SAh enable forced air renew by keyboard short cut oFF _on on SAF force2. 55 0 C 0 0 30 0 0 0 gauge bar oFF _on oFF oFF _on oFF oFF _on oFF oFF _on oFF oFF _on oFF oFF _on oFF 0 255 0 0 255 0 0 255 0 oFF _on oFF oFF _on oFF oFF _on oFF oFF _on oFF oFF _on oFF oFF _on oFF oFF _on oFF oFF _on oFF oFF _on oFF 1 254 1 0 255 1 0 2 0 0 255 1 0 255 2 0 255 0 000 yyy rM 0 255 6 0 255 1 000 yyy dE 0 255 0 0 255 1 000 yyy SU 0 255 0 0 255 1 000 yyy Er 0 255 0 0 255 1 000 yyy rH 0 255 4 The IATEX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 5 8 ID MICHELETTI IMPIANTI oc H422V8 Rem Parameter Description Minimum Maximum Default Unit E6d duration of label display during rotation 0 255 1 E6t label text during rotation 000 yyy HP E6E duration of value display during rotation 0 255 0 E7_ Functions about display rotation when EYr 2 repeated for each parameter E7d duration of label display during rotation 0 255 1 E7t label text during rotation 000 yyy CR E7E duration of value display during rotation 0 255 0 E8 _ Functions about display rotation when EYr 2 repeated for each parameter E8d duration of label display during rotation 0 255 1 E8t label text during rotation 000 yyy di E8E duration of value display during rotation 0 255 0 E9 _ Functions about display rotation when EYr 2 repeated for each parameter E9d duration of
3. 0 gauge bar MHL high pressure safety restart similar to Danfoss KP15 hp set point differential 0 0 99 0 24 0 gauge bar 7 MUO minimum oil differential pressure 0 0 30 0 2 0 gauge bar 8 MUU enable pump down oFF _on oFF H Heating HP _ Heating preference HPP heating method O none 1 electric 2 hot gas 3 heat pump 4 intern heat 0 255 0 pump 5 ihp2 HPF heating source 0 dedicated heating 1 defrost 2 light 0 2 0 U Dehumidification UP Dehumidification preference UPP alternate refrigeration and heating oFF _on oFF 9 UP1 during concurrent run force active heating oFF _on oFF no Functions about fans nc Functions about condenser fans ncH enable condenser fans when compressor is off and discharge pressure is over maximum oFF _on on 10 ncr enable condenser fans speed regulation oFF _on _on 11 ncU fan minimum speed 0 255 40 ncd minimum HP LP difference to keep on fans 0 0 99 0 2 0 gauge bar n1H fan 1 start pressure similar to Danfoss KP5 set point active just when ncr is oFF 0 0 99 0 10 0 gauge bar 12 nlL fan 1 stop pressure similar to Danfoss KP5 set point differential 0 0 99 0 6 0 gauge bar nE_ Functions about evaporator fans nEH force evaporator fans when refrigeration is off oFF _on oFF Cc Functions about door and light CR Door switch and evaporator fan cPH stop evaporator fans when door is open oFF _on _on cPF pause defrost timer when air defrost is suspended by evaporator fan stop oFF _on on
4. display rotation O off 1 all 2 selected Functions 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 Minimum Maximum Default Unit 0 194 4 20 15 5 00 dd hh mm ss 0 254 1 1 2 2 0 255 0 55 0 145 0 55 0 C 55 0 145 0 55 0 C 55 0 145 0 55 0 C 55 0 145 0 55 0 C 0 0 100 0 0 0 0 0 30 0 0 0 gauge bar 0 0 30 0 0 0 gauge bar 55 0 145 0
5. label display during rotation 0 255 1 E9t label text during rotation 000 yyy ol EGE duration of value display during rotation 0 255 0 Eb Functions about buzzer EbH enable buzzer 0 1 1 EF Functions about slave default 25 EFF reload slave default parameters from EEPROM at next restart 0 1 0 ERY Functions about slave password 26 EPA set a new password 000 yyy 2 Parameter remarks Nr Remark 1 Defrost is not performed twice in case safety switches of mc or evaporator are not ok 2 The period of each cycle includes on time off time that is the overall duration of the cycle 3 Following defrost cycles will be aligned to the end of forced one 4 Add 100 to FPt parameter to enable the outer defrost drive on INP 4 The defrost is initiated by INP 4 closure after defrost and until INP 4 is closed the instrument does not leave the dripping mode to coordinate with eventual other instruments 5 In case of hot gas defrost both IA2 and IA3 must reach Ftt 6 When MLH lt MLL there is a delay of 10 MLL MLH seconds on Ip switch Eventual pumpdown restart is over MLH 1 bar 7 Fixed time 120 s and manual reset 8 When activated a clever pump down algorithm coordinates the solenoid the evaporator and the mc There is a 15 minutes delay between mc restarts When MLL MLH there is no restart at all There is no concurrent run of mc and electric defrost or heating 9 Forced refrigeration is disabled when room temperature is under LFL forced heat
6. lost the communication with the master 5 Button list Push button Function Bl esc silence skip Exit without saving from any menu alarm buzzer silence skip compressor delay 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 compressor On during compressor run blinking slowly during activation delay and pumpdown L2 evaporator On during evaporator run blinking slowly during activation delay and pumpdown L3 defrost hum deh On during defrost and humidification blinking slowly during dripping and dehumidification L4 air renew On during air renew L5 heating On during heating 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 Howto 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 Switch between on and stand by Keep pressed B3 button to activate and deactivate stand by In stand by every output is disabled except light leds from L1 to L6 blink timers continue to cou
7. cPd delay of fan automatic switch on 0 194 4 20 15 30 00 dd hh mm ss cle Functions about light clH switch on the light when the door is open and off when closed oFF _on on 13 clo switch off the light automatically if it has been switched on from outside oFF on on The IATEX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 3 8 ID MICHELETTI IMPIANTI doc H422V8 Rem Parameter Description Minimum Maximum Default Unit cld delay of light automatic switch off 0 194 4 20 15 30 dd hh mm ss vo Functions about electronic expansion valve vP_ Functions about electronic expansion valve preference 14 vPH enable electronic expansion valve oFF _on _on vPP refrigerant gas type O R134A 1 R404A 2 R507A 3 R22 4 R407C 0 255 0 vt Functions about electronic expansion valve temperature 15 vtt wanted overheating similar to Danfoss thermostatic overheating spring regulation 0 0 99 0 8 0 K 16 vtH maximum overheating 0 0 99 0 99 0 K 17 vtL minimum overheating 0 0 99 0 6 0 K vtU maximum pressure allowed in the suction line similar to Danfoss MOP 0 0 30 0 10 0 gauge bar vd Functions about electronic expansion valve timing 18 vd1 on off duty cycle duration 0 194 4 20 15 8 dd hh mm ss 19 vd2 on duty cycle duration at refrigeration start set to 0 for previous stop value 0 194 4 20 15 5 dd hh mm ss 20 vdd on duty cycle adaptation speed low value for slow adaptation and small swinging 0 255 8 b Functi
8. d air renew duration 0 194 4 20 15 30 00 dd hh mm ss SAo start stop forced air renew oFF _on oFF Fd Functions about defrost duration and timing 1 FdO immediate delay before next defrost 0 194 4 20 15 0 dd hh mm ss Fdd on time duration of the defrost 0 194 4 20 15 30 00 dd hh mm ss Fdg dripping time after defrost 0 194 4 20 15 2 00 dd hh mm ss FdE evaporator fan activation delay after the defrost 0 194 4 20 15 15 00 dd hh mm ss 2 FdP overall period of the defrost 0 194 4 20 15 4 00 00 dd hh mm ss Fd1 evaporator fan pulse duration 0 001 s units select 0 for no pulse during defrost 0 255 0 Fd2 evaporator fan pulse period 0 194 4 20 15 1 00 dd hh mm ss FF Functions about forced defrost FFh enable forced defrost by keyboard short cut oFF _on on FFd forced defrost duration 0 194 4 20 15 30 00 dd hh mm ss 3 FFo start immediate forced defrost oFF _on oFF FP_ Functions about defrost preference 4 FPt defrost type O none 1 pause 2 air 3 electric 4 hot gas 5 heat pump 0 255 oy 6 heat pump by hp Ft_ Functions about defrost temperature 5 Ftt defrost stop temperature 55 0 146 0 6 0 C M Functions about compressor MU Functions about pressure switches 6 MLH low pressure safety restart similar to Danfoss KP15 Ip set point 0 0 99 0 1 2 gauge bar MLL low pressure safety stop similar to Danfoss KP15 Ip set point differential 0 0 99 0 0 2 gauge bar MHH high pressure safety stop similar to Danfoss KP15 hp set point 0 0 99 0 28
9. humidity alarm set point 0 0 100 0 0 0 LjH high humidity alarm set point 0 0 100 0 100 0 Ljd 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 LI Other alarm inputs L1H enable digital input 1 alarm compressor safety devices oFF _on on Lid digital input 1 alarm delay 0 194 4 20 15 30 00 dd hh mm ss L2H enable digital input 2 alarm evaporator safety oFF _on _on L2d digital input 2 alarm delay 0 194 4 20 15 30 00 dd hh mm ss L3H enable digital input 3 alarm heating safety thermostat oFF _on on L3d digital input 3 alarm delay 0 194 4 20 15 30 00 dd hh mm ss L5H enable digital input 5 alarm compressor phase monitor thermal overload relay oFF _on _on L5d digital input 5 alarm delay 0 194 4 20 15 1 dd hh mm ss Lo_ On stand by status 23 Loo actual status stand by or on oFF _on oFF The IATEX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 4 8 ID MICHELETTI IMPIANTI doc H422V8 Rem Parameter Description IA7 1A8 IA9 Td1 Id2 Id3 Id4 Id5 os OSn OA LLA OA1 OA2 od Od1 Od2 Od3 Od4 Od5 Od6 Od7 Od8 Od9 24 Ed EdS EY EYY EYr E0 E0d EOE El Eld Elt E1E E28 E2d E2t E2E Est E3d E3t E3E EA E4d E4t E4E E58 E5d E5t E5E E6 Functions about delays Delay from prev
10. ilable on demand This parameter is not implemented on every instrument The value and the action of this parameter are local to each slave If you are unsure during action relative to this parameter press B1 at any moment Three underscores three zero digits and three empty characters are considered trivial password values any other combination of three alphanumeric characters is a non trivial password If a non trivial password value is set then entering the menu the label PAS is shown Press B6 then introduce the password confirm by B6 and press B4 If the introduced value does not match the saved password then the label PAS is shown again and the operation may be retried for a maximum of other two times In case of unlocking failure the label bAd is shown To exit press B4 twice or Bl once To remove the password set EPA to value 000 To set or to change the password if you know the authorization code set EPA to a new non trivial value and exit the menu The label rEP is shown Press B6 then reintroduce the same password confirm by B6 and press B4 The label AUt is shown Press B6 then introduce the authorization code confirm by B6 and press B4 3 Alarm list The IATEX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 6 8 ID MICHELETTI IMPIANTI doc H422V8 Display Alarm A01 low temperature Low temperature limit has been reached A02 high temperature High temperature limit has bee
11. ing is disabled over LFH 10 When speed regulation is off the fan is operated on off 11 Caution Speed regulation can cause fan fault or electronic board fault Low and average minimum speed can increase the risk 12 During the first 10 seconds of speed regulation the n1L is replaced by nIH n1L 2 13 No action if the light is switched on from inside the room 14 When off the refrigeration solenoid is steadily on during cooling as long as overheating is higher then vtL or b3A is off 15 Caution Low overheating causes liquid return and compressor damage 16 Overheating over the maximum forces valve anticipated opening 17 Overheating under the minimum delays valve opening 18 Caution Short duty cycle reduces valve life 19 Caution Low overheating causes liquid return and compressor damage 20 Caution High adaptation speed causes swing in the suction line and damage to the compressor 21 The low temperature differential is fixed and alarm status stops at 0 2 C above the set point 22 The high temperature differential is fixed and alarm status stops at 0 2 C under the set point 23 Passing from stand by to on and at power on there is a 5 second delay spent in a virtual stand by 24 The minus sign on display signals that output is going to start after a delay 25 This parameter is a late addition not present on every instrument 26 The use of this parameter is restricted to ReFreeX authorized personnel further detail is ava
12. ious stop delay from stop to activation of relay nr 4 compressor Functions about master preferences Functions about network address master address for global network communication number of slaves connected to this master Output assignment assign out 2 relay to O alarm 1 heating 2 humidifier 3 air renew 4 defrost duty 5 humidity to FAN output 6 outer dehumidifier 7 OUT 1 8 OUT 3 9 OUT 4 10 OUT 5 11 OUT 6 12 FAN 13 alarm NO 14 fan off dehum Functions about input output and machine state read only Analog inputs room temperature defrost temperature suction temperature engine room temperature humidity high pressure HP low pressure LP discharge temperature oil pressure eventually connected to AN 5 Digital input compressor hardware safety evaporator hardware safety defrost hardware safety door closed phase software safety Machine status evaporator fan stopped by door opening or manual control Analog output actual alarm read only 0 means no alarm condenser humidity 4 20 mA Digital output solenoid heating light compressor evaporator defrost alarm eventually connected to OUT 2 steam producer eventually connected OUT 2 air renew eventually connected to OUT 2 Functions about slave preferences Functions about network address slave address for local network communication Functions about display input to show on display 1 IA1 2 IA2 enable
13. n reached A03 mc alarm Pressure switch thermistors or any other compressor safety device has disconnected A04 evaporator alarm Evaporator thermal relay or other evaporator safety device has disconnected A05 defrost alarm defrost safety thermostat or any other defrost safety device has disconnected A06 door open Time limit for door opening has been reached A07 mc phase Compressor overload thermal relay disconnected or missing mains phase manual reset A08 low temp stop Low temperature limit for full stop has been reached full system stop manual reset A09 high temp stop High temperature limit for full stop has been reached full system stop manual reset A10 oil pressure Oil differential pressure remained under minimum value for 120 seconds manual reset A11 low humidity Low humidity limit has been reached A12 high humidity High humidity limit has been reached A13 low humid stop Low humidity limit for full stop has been reached full system stop manual reset A14 high humid stop High humidity limit for full stop has been reached full system stop manual reset A15 RTC memory loss Memory loss of real time clock RTC timer reset 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
14. nt 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 an air renew Keep pressed B2 u Force a defrost Keep pressed B5 9 Shortcut list Buttons to press Shortcut description keep pressed 5 seconds B5 Force an immediate defrost B2 Force an immediate air renew 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
15. ons about probe calibration bl Probe nr 1 b1C room temperature 99 0 99 0 0 0 K b1A enable probe oFF _on _on b2_ Probe nr 2 b2C defrost temperature 99 0 99 0 0 0 K b2A enable probe oFF _on _on b3 Probe nr 3 b3C suction temperature 99 0 99 0 0 0 K b3A enable probe oFF _on on b4 Probe nr 4 b4C engine room temperature 99 0 99 0 0 0 K b4A enable probe oFF _on _on b5 Probe nr 5 b5C humidity 99 0 99 0 0 0 b5A enable probe oFF _on oFF b6__ Probe nr 6 b6C high pressure HP 99 0 99 0 0 0 bar b6A enable probe oFF _on _on b7_ Probe nr 7 b7C low pressure LP 99 0 99 0 0 0 bar b7A enable probe oFF _on on b8 Probe nr 8 b8C discharge temperature 99 0 99 0 0 0 K b8A enable probe oFF _on _on b9 Probe nr 9 b9C oil pressure eventually connected to AN 5 99 0 99 0 0 0 bar b9A enable probe oFF _on oFF L Functions about alarm and stand by Ee Temperature alarm 21 LtL low temperature alarm set point 55 0 145 0 2 0 C 22 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 LF_ Full stop temperature alarm LFL low temperature alarm set point 55 0 145 0 5 0 C LFH high temperature alarm set point 55 0 145 0 20 0 C LFd alarm delay 0 194 4 20 15 30 00 dd hh mm ss Lin Humidity alarm LiL low humidity alarm set point 0 0 100 0 0 0 LiH high humidity alarm set point 0 0 100 0 100 0 Lid alarm delay 0 194 4 20 15 30 00 dd hh mm ss Ei Full stop humidity alarm LjL low
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