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1592026601 XWi70K STD FULL EN r1.6 2022.07.29.docx 

XWi70K

 

13/15 

 

dAF_nt 

Pre-defrost time 

Pr1 

min 

od1_nt 

Automatic defrost (at the beginning of any energy 
saving) 

no 

Pr2 

 

od2_nt 

Optimized defrost 

no 

Pr2 

 

Syd_nt 

Tipe of synchronized defrost 

nU 

Pr2 

 

dt1_nt 

Differential temperature for latent heating control 

0,2 

Pr2 

°C 

ndE_nt 

Number of connected controllers for random refrost 

(Syd=rnd) 

Pr2 

 

FAP_nt 

Probe selection for evaporator fan 

nP 

Pr1 

 

FSt_nt 

Evaporator fan stop temperature 

20.0 

Pr1 

°C 

HyF_nt 

Evaporator fan regulator differential 

5.0 

Pr1 

°C 

FnC_nt 

Evaporator fan operating mode 

C_n 

Pr1 

 

Fnd_nt 

Evaporator fan delay after defrost cycle 

Pr1 

min 

FCt_nt 

Differential temperature for cyclic activation of 
evaporator fans (0=disabled) 

Pr1 

°C 

Fon_nt 

Evaporator fan ON time in normal mode (with 
compressor OFF) 

Pr2 

min 

FoF_nt 

Evaporator fan OFF time in normal mode (with 
compressor OFF) 

Pr2 

min 

LA1_nt 

Maintenance interval for evaporator fans (tens of 

hours) 

Pr2 

hour *100 

rS1_nt 

Maintenance function reset 

no 

Pr2 

 

FAC_nt 

Probe selection for condenser fan 

nP 

Pr2 

 

St2_nt 

Set Point 2 Regulation (for condenser fan) 

15.0 

Pr2 

°C 

Hy2_nt 

Set Point 2 differential (for condenser fan) 

20.0 

Pr2 

°C 

FCC_nt 

Condenser fan operating mode 

C_n 

Pr1 

 

FCo_nt 

Condenser fan deactivation delay 

20 

Pr1 

sec 

LA2_nt 

Condenser fan working hours (x100) for 
maintenance alarm 

Pr2 

hour *100 

rS2_nt 

Condenser fan maintenance alarm reset 

no 

Pr2 

 

CMi_nt 

Minimum speed for condenser fan 

20 

Pr2 

CMA_nt 

Maximum speed for condenser fan 

100 

Pr2 

CSS_nt 

Safety speed for condenser fan 

80 

Pr2 

ACH_nt 

Type of control for auxiliary regulator 

CL 

Pr1 

 

SAA_nt 

Set point for auxiliary regulator 

0.0 

Pr1 

°C 

SHy_nt 

Auxiliary regulator differential 

5.0 

Pr1 

°C 

ArP_nt 

Probe selection for auxiliary regulator 

nP 

Pr1 

 

Sdd_nt 

Auxiliary regulator disabled during any defrost 
cycle 

yes 

Pr1 

 

btA_nt 

Base time for parameters Ato and AtF 

Min 

Pr1 

 

Ato_nt 

Interval of time with auxiliary output ON 

Pr1 

min 

AtF_nt 

Interval of time with auxiliary output OFF 

Pr1 

min 

1An_nt 

Type of analogue output 1 

Vlt 

Pr1 

 

1oL_nt 

Minimum value for analogue output 1 

Pr1 

1oH_nt 

Maximum value for analogue output 1 

100 

Pr1 

1At_nt 

Interval of time with analogue output 1 (maximum 
value) 

Pr1 

sec 

2An_nt 

Type of analogue output 2 

Vlt 

Pr1 

 

2oL_nt 

Minimum value for analogue output 2 

Pr1 

2oH_nt 

Maximum value for analogue output 2 

100 

Pr1 

2At_nt 

Interval of time with analogue output 2 (maximum 
value) 

Pr1 

sec 

ALP_nt 

Probe selection for temperature alarms 

nP 

Pr1 

 

ALC_nt 

Temperature alarms configuration: relative, 
absolute 

Ab 

Pr1 

 

ALU_nt 

High temperature alarm 

150.0 

Pr1 

°C 

ALL_nt 

Low temperature alarm 

-100.0 

Pr1 

°C 

AFH_nt 

Temperature alarm differential 

5.0 

Pr2 

°C 

ALd_nt 

Temperature alarm delay 

Pr1 

min 

dot_nt 

Temperature alarm delay with open door 

Pr1 

min 

dAo_nt 

Temperature alarm delay at start-up 

00:00 

Pr1 

hour 

AP2_nt 

Probe selection for 2nd temperature alarm 

nP 

Pr2 

 

AL2_nt 

2nd low temperature alarm 

100.0 

Pr2 

°C 

AU2_nt 

2nd high temperature alarm 

5.0 

Pr2 

°C 

AH2_nt 

2nd temperature alarm differential 

5.0 

Pr2 

°C 

Ad2_nt 

2nd temperature alarm delay 

Pr2 

min 

dA2_nt 

2nd temperature alarm delay at start-up 

00:00 

Pr2 

hour 

dE2_nt 

Temperature alarm 2 disabled during every defrost 
and dripping phase 

nU 

Pr2 

 

bLL_nt 

Compressor OFF due to 2nd low temperature 
alarm 

no 

Pr2 

 

AC2_nt 

Compressor OFF due to 2nd high temperature 
alarm 

no 

Pr2 

 

SAF_nt 

Differential for anti-freezing control 

3.0 

Pr1 

°C 

tbA_nt 

Alarm relay deactivation 

yes 

Pr1 

 

bUM_nt 

Buzzer muting 

no 

Pr1 

 

oA1_nt 

Relay output oA1 configuration 

FAn 

Pr2 

 

oA2_nt 

Relay output oA2 configuration 

Cnd 

Pr2 

 

oA3_nt 

Relay output oA3 configuration 

LiG 

Pr2 

 

oA4_nt 

Relay output oA4 configuration 

dEF 

Pr2 

 

oA5_nt 

Relay output oA5 configuration 

ALr 

Pr2 

 

1Ao_nt 

Analogue output 1 configuration 

nU 

Pr2 

 

2Ao_nt 

Analogue output 2 configuration 

nU 

Pr2 

 

3Ao_nt 

Analogue output 3 configuration 

nU 

Pr2 

 

AoP_nt 

Alarm relay polarity 

CL 

Pr1 

 

i1P_nt 

Digital input 1 polarity 

CL 

Pr1 

 

i1F_nt 

Digital input 1 configuration 

EAL 

Pr1 

 

did_nt 

Digital inputs 1 alarm delay (base time depends on 
par. ibt) 

Pr1 

min 

i2P_nt 

Digital input 2 polarity 

CL 

Pr1 

 

i2F_nt 

Digital input 2 configuration 

dor 

Pr1 

 

d2d_nt 

Digital inputs 2 alarm delay (base time depends on 
par. ibt) 

Pr1 

min 

nPS_nt 

Number of external pressure switch alarms before 
stopping the regulation 

Pr2 

 

odC_nt 

Compressor and fan status after door opening 

F-C 

Pr2 

 

rrd_nt 

Regulation restart after door alarm 

yes 

Pr2 

 

HES_nt 

Temperature differential in energy saving 

Pr1 

°C 

ESt_nt 

Energy saving timeout 

Pr1 

hour 

Summary of Contents for Dixell XWi70K

Page 1: ... delay AC1 is always respected The second compressor is deactivated when T SET HY With parameter rCC it is possible to enable the compressor rotation function the activation of the first and the second compressor will be alternated to equalize the number of working hours of both of them In case of hot gas defrost operation it is possible to select if one or both compressors will be used 3 2 PULL D...

Page 2: ... for auxiliary regulator 2 Sd2 Auxiliary regulator 2 disabled during any defrost 9 ANALOGUE OUTPUTS The controller is equipped with 2 configurable analogue outputs type 4 20mA or 0 10Vdc both selectable It is possible to use them for proportional regulation of Evaporator fan speed Condenser fan speed Or as proportional output linked to the Auxiliary regulator 1 linked only to analogue output 1 Aux...

Page 3: ... manually by the user 11 7 DEAD BAND oAx db By setting oAx db the controller will perform a dead band regulation The heating element has to be connected to the correspondent relay If the temperature increases and reaches set point plus differential HY the compressor is started and then turned off when the temperature reaches the set point value again If the temperature decreases and reaches the se...

Page 4: ...accessible parameters under a specific menu operate as follows 1 Enter the Programming mode by pressing the SET DOWN key for 3 seconds 2 The display will show the first menu available under Pr1 level 14 4 HOW TO ENTER PARAMETER PROGRAMMING MENU PR2 In the PR2 level there are all the parameters of the instrument 14 4 1 ENTERING THE PARAMETER PROGRAMMING MENU PR2 1 Enter the Programming mode by pres...

Page 5: ... control ON in normal mode n Y Y VSC is never stopped during regulation CME Continuous control ON in energy saving mode n Y Y VSC is never stopped during regulation MnP Compressor speed threshold to activate lubrication valid for variable speed compressors only 0 disabled nu 1 to 100 OFF nu not used 1 to 100 select the percentage to activate function OFF compressor is stopped when the condition is...

Page 6: ...tput value at the end of the scale 2At Interval of time with analogue output 2 maximum value 0 to 255 sec analogue output is forced at 100 after any activation for 2At seconds ALARM MENU ALr ALP Probe selection for temperature alarms nP P1 P2 P3 P4 nP no probe Px probe x Note P4 Probe on Hot Key plug ALC Temperature alarm configuration Ab rE Ab absolute rE relative ALU High temperature alarm when ...

Page 7: ...mable defrost cycles during any ddx day Example when Ld2 12 4 the second defrost starts at 12 40 am during working days N B To disable a defrost cycle set it to nu not used Ex if Ld6 nu the sixth defrost cycle will be disabled SERIAL COMMUNICATION CoM Adr Serial address 1 to 247 device address for Modbus communication bAU Baudrate 9 6 19 2 select the correct baudrate for serial communication USER ...

Page 8: ...automatically downloaded into the Controller memory The doL message will blink followed a by a flashing End label 4 After 10 seconds the instrument will restart working with the new parameters 5 Remove the HOT KEY NOTE the message Err is displayed for failed programming In this case turn the unit off and then on if you want to restart the download again or remove the HOT KEY to abort the operation...

Page 9: ...t Maximum duration for Pull Down 04 00 Pr1 hour CCS Pull Down phase differential SET CCS or SET HES CCS 1 Pr1 F oHt Threshold for automatic activation of Pull Down in normal mode SET HY oHt 10 Pr1 F Con Compressor ON time with faulty probe 30 Pr1 min CoF Compressor OFF time with faulty probe 10 Pr1 min PbC Probe selection ntC Pr2 ot Probe P1 calibration 0 Pr1 F P2P Probe P2 presence yes Pr1 oE Pro...

Page 10: ...r2 C ndE Number of connected controllers for random refrost Syd rnd 1 Pr2 FAP Probe selection for evaporator fan P3 Pr1 FSt Evaporator fan stop temperature 50 Pr1 F HyF Evaporator fan regulator differential 2 Pr1 F FnC Evaporator fan operating mode O_n Pr1 Fnd Evaporator fan delay after defrost cycle 4 Pr1 min FCt Differential temperature for cyclic activation of evaporator fans 0 disabled 0 Pr1 F...

Page 11: ...ential in energy saving 1 Pr1 F ESt Energy saving timeout 24 Pr1 hour LdE Energy saving controls the lights lights OFF when energy saving goes active no Pr1 LHt Maximum duration for light output on 0 Pr1 min HUr Hours Pr1 Min Minutes Pr1 dAy Day of the week Pr1 dyM Day of the month Pr1 Mon Month Pr1 yAr Year Pr1 Hd1 First day of weekend nu Pr1 Hd2 2nd day of weekend nu Pr1 iLE Energy saving cycle ...

Page 12: ...r max interval for output variation 30 Pr2 sec tLv_nt PI regulator min interval for output variation 10 Pr2 sec rSr_nt PI regulator range for output value calculation RPM 10 90 Pr2 RPM 10 Str_nt PI regulator delay before range drift 60 Pr2 sec dPt_nt PI regulator divisor for PI response time reduction acts on both par tSt and iSt 1 Pr2 CMn_nt Continuous control ON in normal mode yes Pr2 CME_nt Con...

Page 13: ...Interval of time with analogue output 1 maximum value 5 Pr1 sec 2An_nt Type of analogue output 2 Vlt Pr1 2oL_nt Minimum value for analogue output 2 5 Pr1 2oH_nt Maximum value for analogue output 2 100 Pr1 2At_nt Interval of time with analogue output 2 maximum value 5 Pr1 sec ALP_nt Probe selection for temperature alarms nP Pr1 ALC_nt Temperature alarms configuration relative absolute Ab Pr1 ALU_nt...

Page 14: ...no Pr1 dd7_nt Saturday defrost no Pr1 Ld1_nt 1st defrost starting time nu Pr1 hour Ld2_nt 2nd defrost starting time nu Pr1 hour Ld3_nt 3rd defrost starting time nu Pr1 hour Ld4_nt 4th defrost starting time nu Pr1 hour Ld5_nt 5th defrost starting time nu Pr1 hour Ld6_nt 6th defrost starting time 12 00 Pr1 hour Adr_nt Serial address 1 Pr1 bAU_nt Baudrate 9 6 Pr1 brd_nt Type of keyboard lock UnL Pr2 ...

Page 15: ...ac 30K cycles Motor load 2HP 12FLA 72LRA 230Vac 30K cycles Motor load 1HP 16FLA 96LRA 110Vac 30K cycles Motor load 4 9FLA 29 4LRA 110 230Vac 30K cycles 14 8 A 230Vac 30K cycles oA2 SPST 16A 250VAC Resistive load 10A 230 Vac 30K cycles 14A NO 230Vac 50K cycles oA3 SPST 8A 250VAC Resistive load 10A 110 230Vac 30K cycles Motor load 1 2HP 230Vac 30K cycles Motor load 4 9FLA 29 4LRA NO 110 230Vac 30K c...

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