ReFreeX user manual for H424W1
Contents
1. metreex E A H424W 1 User manual ID MICHELETTI IMPIANTI doc H424W1 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 7 ID MICHELETTI IMPIANTI doc H AVV1 T 1 Parameter list Rem Parameter S__ St_ _t0 _td Fd Fdo Fdd Fdg FdE 1 FdP FF FFh FFd 2 FFo FP_ FPt 3 FPc Ft Ftt neS nE nEH vP 4 vPH vPP 5 vPd vt_ vtt vtH vtL vtU oo NO 10 11 SE _ to td Fd Fdo Description 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 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 Functions about defrost temperature defrost stop temperature Functions about fans Functions a2. doc H424W1 Rem Parameter Description Minimum Maximum Default Unit Ftt defrost stop temperature 4 0 146 0 6 0 C ee Functions about fans nE_ Functions about evaporator fans nEH force evaporator fans when refrigeration is off oFF _on oFF vo Functions about electronic expansion valve vP_ Functions about electronic expansion valve preference 4 vPH enable electronic expansion valve oFF _on _on vPP refrigerant gas type 0 R134A 1 R404A 2 R507A 3 R22 4 R407C 0 1 0 5 vPd network originating address of the pressure broadcast 0 255 0 vt_ Functions about electronic expansion valve temperature 6 vtt wanted overheating similar to Danfoss thermostatic overheating spring regulation 2 0 40 0 8 0 K 7 vtH maximum overheating 6 0 55 0 99 0 K 8 vtL minimum overheating 0 0 10 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 9 vd1 on off duty cycle duration 0 194 4 20 15 8 dd hh mm ss 10 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 la vdd on duty cycle adaptation speed low value for slow adaptation and small swinging 0 255 8 b Functions about probe calibration b1_ Probe nr 1 b1C room temperature 9 0 9 0 0 0 K b1A enable probe oFF _on on b2 Probe nr 2 b2C suction temperature 9 0 9 0 0 0 K b2A enable probe oFF _on on n Functions about alarm and stand by
3. Lt Temperature alarm 12 LtL low temperature alarm set point 55 0 145 0 2 0 C 13 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_ On stand by status Loo actual status stand by or on oFF _on oFF I Functions about input output and machine state read only IA_ Analog inputs IAl room temperature 55 0 145 0 55 0 C IA2 suction temperature 55 0 145 0 55 0 C Id Digital input Id4 digital input 4 door closure remote defrost read by IA4 oFF _on oFF OS _ Machine status LLA actual alarm read only 0 means no alarm 0 255 0 Od Digital output 14 Od1 solenoid oFF _on oFF 14 Od4 evaporator oFF on oFF 2 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 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 valve life 10 Caution Low overheating causes liquid return and compressor damage 11 Caution Hi
4. defrost read by IA4 Machine status actual alarm read only 0 means no alarm Digital output solenoid evaporator Functions about storage Functions about storage temperature storage room temperature differential Functions about defrost duration and timing immediate delay before next defrost Minimum 55 0 0 0 ooooo oFF oFF oFF 55 0 oFF oFF 999 0 999 0 999 0 0 0 ooo 999 0 oFF 9 0 oFF 55 0 55 0 oFF 55 0 55 0 oFF oFF oFF 55 0 0 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 _on 194 4 20 15 on 4 on 145 0 on _on 4 255 999 0 999 0 999 0 999 0 194 4 20 15 194 4 20 15 255 999 0 on 9 0 on 145 0 145 0 194 4 20 15 on 254 145 0 145 0 on 255 on on 145 0 50 0 194 4 20 15 Default 2 0 0 2 0 30 00 2 00 7 00 4 00 00 _on 30 00 oFF 2 oFF 6 0 oFF 0 0 on 0 0 on 2 0 14 0 30 00 oFF 55 0 55 0 oFF oFF oFF 2 0 0 2 0 Unit C K dd hh mm ss dd hh mm ss dd hh mm ss dd hh mm ss dd hh mm ss dd hh mm ss C K K K gauge bar dd hh mm ss dd hh mm ss SER nA AG ag dd hh mm ss FS OR Ke ARE ES ae K dd hh mm ss The IATEX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 3 7 ID MICHELETTI
5. IMPIANTI doc H W1 Rem Parameter Description 10 11 12 13 14 14 Fdd Fdg FdE FdP FF FFh FFd FFo FP_ FPt FPc Ft Ftt vtt vtH vtL vtU vd vdi vd2 vdd bl blC blA b2_ b2C b2A FEER LtL LtH Ltd Lo_ Loo IA_ IA1 IA2 1d4 OS_ LLA Od Od1 Od4 St_ to td Fd Fdo Fdd Fdg FdE FdP FF FFh FFd FFo FP_ FPt FPc Ft on time duration of the defrost dripping time after defrost evaporator fan activation delay after the defrost overall period of the defrost 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 Functions about defrost temperature defrost stop temperature Functions about fans Functions about evaporator fans force evaporator fans when refrigeration is 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 overheati
6. bout evaporator fans force evaporator fans when refrigeration is 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 suction temperature enable probe Functions about alarm and stand by Temperature alarm low temperature alarm set point high temperature alarm set point alarm delay 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 Functions about input output and machine state read only Analog inputs room temperature suction temperature Digital input digital input 4 door closure remote
7. gh adaptation speed causes swing in the suction line and damage to the compressor 12 The low temperature differential is fixed and alarm status stops at 0 2 C above the set point 13 The high temperature differential is fixed and alarm status stops at 0 2 C under the set point 14 The minus sign on display signals that output is going to start after a delay CONDOARWNHEA 3 Alarm list Alarm low temperature Display A01 Low temperature limit has been reached The IATFX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 5 7 ID MICHELETTI IMPIANTI doc H424w1 Display Alarm high temperature High temperature limit has been reached A02 4 Slave alarm list Display Alarm none This instrument has no slave alarm 5 Button list Push button B1 B2 B3 B4 B5 B6 Led L1 L3 L4 L5 L6 L7 esc silence up Function Exit without saving from any menu alarm buzzer silence Up navigation in the menu on stand by pause Toggle between on and stand by toggle evaporator fan stop left light Left navigation in the menu switch the light on and off down defrost Down navigation in the menu force immediate defrost right menu set Right navigation in the menu display and modify the set point enter menu Led list cooling evaporator unused unused unused unused light Function On during cooling On during evaporator run blinking sl
8. mmediate defrost 10 Led and push button location LI L2 L3 L4 L5 L L7 ee oe ee ee ee The IATEX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 7 7
9. ng 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 suction temperature enable probe Functions about alarm and stand by Temperature alarm low temperature alarm set point high temperature alarm set point alarm delay On stand by status actual status stand by or on Functions about input output and machine state read only Analog inputs room temperature suction temperature Digital input digital input 4 door closure remote defrost read by IA4 Machine status actual alarm read only 0 means no alarm Digital output solenoid evaporator 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 period of air renew cycle Functions about forced defrost enable forced air renew by keyboard short cut forced defrost duration start immediate forced defrost Functions about defrost preference defrost type O none 1 pause 2 ai
10. owly during activation delay Unused in this application Unused in this application Unused in this application Unused in this application 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 activate and deactivate stand by In stand by every output is disabled except light leds from L1 to L6 blink timers continue to count 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 Force a defrost alternative enter the menu program as explained above modify the parameter _t0 then confirm it Keep pressed B5 9 Shortcut list The IATEX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 6 7 ID MICHELETTI IMPIANTI Buttons to press Shortcut description keep pressed 5 seconds B5 Force an i
11. r 3 electric 4 hot gas 5 heat pump 6 heat pump by hp use door closure input as start command for remote defrost Functions about defrost temperature Minimum oooo oFF oFF oFF 55 0 oFF oFF 999 0 999 0 999 0 0 0 ooo 999 0 oFF 9 0 oFF 55 0 55 0 oFF 55 0 55 0 oFF oFF oFF 55 0 ooooo oFF oFF oFF Maximum 194 4 20 15 194 4 20 15 194 4 20 15 194 4 20 15 _on 194 4 20 15 on 4 on 145 0 on _on 4 255 999 0 999 0 999 0 999 0 194 4 20 15 194 4 20 15 255 999 0 on 9 0 on 145 0 145 0 194 4 20 15 on 145 0 145 0 on 255 on on 145 0 50 0 194 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 Default 30 00 2 00 7 00 4 00 00 Unit dd hh mm ss dd hh mm ss dd hh mm ss dd hh mm ss on 30 00 oFF 2 oFF 6 0 oFF 0 0 on 0 0 on 2 0 14 0 30 00 oFF 55 0 55 0 oFF oFF oFF 2 0 0 2 0 30 00 2 00 15 00 4 00 00 _on 30 00 oFF 2 oFF dd hh mm ss Je K K K gauge bar dd hh mm ss dd hh mm ss Sp Bes ag SE dd hh mm ss Be C n o C K dd hh mm ss dd hh mm ss dd hh mm ss dd hh mm ss dd hh mm ss dd hh mm ss The IATEX source of this document has been automatically produced by 4 13 22 on 2015 11 27 page 4 7 ID MICHELETTI IMPIANTI
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