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8/10/2019 Star-Cool-Short-form-Manual-CIM-5-Version-3.pdf
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SHORT FORM SERVICE MANUAL - CIM 5 CONTROLLER
8/10/2019 Star-Cool-Short-form-Manual-CIM-5-Version-3.pdf
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SHORT FORM SERVICE MANUAL
Operating temperature
-30˚C to +30˚C-22 F to +86 F
Ambient temperature
-30˚C to +50˚C-22 F to +122 F
Model: SC-MCI40-WC, SC-MCI40, SCI-40 and SCU-40
Refrigerant: R-134aCharged with 4.5 kg / 9.9 lb
[2]
8/10/2019 Star-Cool-Short-form-Manual-CIM-5-Version-3.pdf
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SHORT FORM SERVICE MANUAL
Controller box view
Phase direction
Phase direction
Heat element
Cond. fan low
Cond. fan high
Evap. fan low
Evap. fan high
FC/Compressor
Main circuit breaker
[3]
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SHORT FORM SERVICE MANUAL
Controller box view
Terminal block PCB
Power meas
Power in
Modem (if installed)
Transformer
[4]
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SHORT FORM SERVICE MANUAL
Controller box view
Controller connections
Fuses: 2x 0.4/0.63 Amp.
3x 10 Amp.
Fuse: 6.3 Amp.
Recommended to raise
F1 and F2 to 0.63 Amp.
[5]
8/10/2019 Star-Cool-Short-form-Manual-CIM-5-Version-3.pdf
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SHORT FORM SERVICE MANUAL
Unit rear side view
Tsuc sensor
Return air sensor
Humidity sensor
Evaporator sensor
Supply air sensors
[6]
8/10/2019 Star-Cool-Short-form-Manual-CIM-5-Version-3.pdf
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SHORT FORM SERVICE MANUAL
Replacement of Tsuc sensor
Remove PVC Cover to accessTsuc sensor
Cut cable tie (one pcs). Sensor can thenbe removed
When installing the new sensor, make sure toinsert properly in tube
[7]
8/10/2019 Star-Cool-Short-form-Manual-CIM-5-Version-3.pdf
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SHORT FORM SERVICE MANUAL
Replacement of air exchange sensor
Remove the two nger screws on thebutter y and remove cover plate
Remove the fourteen screws to loosenthe black cover where the air ex-sensoris mounted
Replace the sensor and install all thedismantled parts again
[8]
8/10/2019 Star-Cool-Short-form-Manual-CIM-5-Version-3.pdf
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SHORT FORM SERVICE MANUAL
Air exchange sensor calibration
Close fresh air buttery
In the service menu SO5; Con-
guration menu FO6; Press “Enter” twice
Calibration is completed
[9]
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SHORT FORM SERVICE MANUAL
Supply voltage measurements
Measure voltage output from themain circuit breaker
Measure voltage supplied to thepower meas PCB
Range -50 Hz: 335 – 460 VACRange -60 Hz: 390 – 525 VAC
[10]
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SHORT FORM SERVICE MANUAL
Supply voltage measurements
Measure the voltage output fromthe power meas PCB to the maincircuit
Range -50 Hz: 335 – 460 VACRange -60 Hz: 390 – 525 VAC
[11]
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SHORT FORM SERVICE MANUAL
Supply voltage measurements
Measure the voltage output fromthe power meas PCB to thetransformer
Range -50 Hz: 335 – 460 VACRange -60 Hz: 390 – 525 VAC
[12]
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SHORT FORM SERVICE MANUAL
Supply voltage measurements
Measure the voltage supplied tothe transformer
Range -50 Hz: 335 – 460 VACRange -60 Hz: 390 – 525 VAC
[13]
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SHORT FORM SERVICE MANUAL
Supply voltage measurements
Measure the voltage output of thetransformer 20 VAC
The output voltage depends onthe supply voltage
Range: 15.3 – 24.3 VAC
[14]
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SHORT FORM SERVICE MANUAL
Supply voltage measurements
Measure the voltage output fromthe transformer 24 VAC
The output voltage depends onthe supply voltage
Range: 18.9 – 30.0 VAC
[15]
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SHORT FORM SERVICE MANUAL
Check of 6,3 Amp fuse
Measure voltage from GND to top
of fuse
Fuse is ok
Range 18.9 - 30 VAC
Fuse is not ok
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SHORT FORM SERVICE MANUAL
Check power to ON/OFF PCB
Measuring from ground toterminal 4 (see picture) showsthat the controller is turned OFF
After turning ON, the voltage canbe measured
Range 18.9 – 30.0 VAC
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SHORT FORM SERVICE MANUAL
Check power to ON/OFF PCB
After turning ON you can read thevoltage supplied through the ”ON/OFF” PCB on terminal1 and 2
Range 15.3 – 24.3 VAC
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SHORT FORM SERVICE MANUAL
Check Frequency Converter
Frequency converter MUST alwayshave the black foil mounted forprotection of print, componentsand your safety
WARNING - HIGH VOLTAGE
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SHORT FORM SERVICE MANUAL
Check Frequency Converter
If deviation between phases ismore than 15 VAC:
Alarm ”523 FC phase loss” orAlarm ”516 FC Trip phase loss”
will be given
Range -50 Hz: 335 – 460 VACRange -60 Hz: 390 – 525 VAC
E.g. due to unstable power supplyfrom the genset
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8/10/2019 Star-Cool-Short-form-Manual-CIM-5-Version-3.pdf
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SHORT FORM SERVICE MANUAL
Check Frequency Converter
A green light indicates FC is ok
A ashing green light indicates FCcommunicates with the controller
A red light indicates a problem
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8/10/2019 Star-Cool-Short-form-Manual-CIM-5-Version-3.pdf
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SHORT FORM SERVICE MANUAL
Check Frequency Converter
If a red light is ON and alarm 500”FC missing” is displayed, the FChas an internal problem and mustbe replaced
The ”Warrenty repair report”must be lled out and submittedto Star Cool. The defect part mustbe properly tagged
[22]
8/10/2019 Star-Cool-Short-form-Manual-CIM-5-Version-3.pdf
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SHORT FORM SERVICE MANUAL
Emergency operation
Dismount the frequency converterand connect the FC power 1 cabledirectly to the compressor supplyterminals (W, V, U)
The 3 remaining terminals (Y, X,Z) have to be tted with a wire- jumper.
[23]
8/10/2019 Star-Cool-Short-form-Manual-CIM-5-Version-3.pdf
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SHORT FORM SERVICE MANUAL
Emergency operation
Go to Service menu andselect “Conguration” (S05)
In “Conguration” menuscroll down to “FC type”
(F03)
Then press return and select “NONE”
Note: remember to switchback to “Danfoss” in the “FC
type” setting when a new FCis mounted
[24]
8/10/2019 Star-Cool-Short-form-Manual-CIM-5-Version-3.pdf
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SHORT FORM SERVICE MANUAL
Contactor check
Measure Ω between terminalA1 and A2
Contactor is ok
Contactor is not ok
Deviation in resistance due tochange in temperature
[25]
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SHORT FORM SERVICE MANUAL
Temperature sensor check
Disconnect X1 on the controllerdoor
All temperature readings mustdrop to -70˚C within approxi-
mately 5-10 minutes
If one or more temperatures donot drop to -70˚C, the control-ler must be replaced
The ”Warrenty repair report”
must be lled out and sub-mitted to Star Cool. The defectpart must be properly tagged
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SHORT FORM SERVICE MANUAL
Temperature sensor check
Dismount the current defect sensor(s)according to the wiring diagram insidethe controller door
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SHORT FORM SERVICE MANUAL
Temperature sensor check
Measure the voltage between thetwo terminals on the PCB
Correct range: 4.80 > 5.05 VDC
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SHORT FORM SERVICE MANUAL
Temperature sensor check
Measure the resistance of thedisconnected sensor
Value must be according to theresistance table in the ”Operation
and Service manual”
E.g. 32.65 kΩ = 0˚C /32 F
[29]
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SHORT FORM SERVICE MANUAL
Temperature sensor check
Place the bulb in ice-waterand stir the sensor in theice-water
The displayed temperature in
the controller should be: 0˚C+/- 0.5˚C (32 F +/- 1.25 F)otherwise replace the sensor
[30]
8/10/2019 Star-Cool-Short-form-Manual-CIM-5-Version-3.pdf
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SHORT FORM SERVICE MANUAL
Pressure transmitter check
Disconnect X1 on the controller door
Psuc (and Peco) value must goto 14.7 or 12.0 Bar
Pdis value must go to 45.0or 32.0 Bar
Values depends on transmittertype congured in conguration menu menu (FO7 and FO8) (NSK, AKS)
If the above mentioned values are not reached within 5-10 minutes, the control-
ler module must be replacedThe ”Warrenty repair report” must be lled out and submitted to Star Cool. Thedefect part must be properly tagged
[31]
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SHORT FORM SERVICE MANUAL
Pressure transmitter check
Dismount the current defecttransmitter according to thewiring diagram inside thecontroller door
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SHORT FORM SERVICE MANUAL
Pressure transmitter check
Measure voltage between GNDand 5 VDC for the transmitter.(According to the electricalwiring diagram)
Correct range:4.80 > 5.05 VDC
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SHORT FORM SERVICE MANUAL
Pressure transmitter check
Reconnect GND and 5 VDC wiresfor the transmitter
Measure voltage between signalwire and GND
Check signal output from trans-mitter. Compare it to gaugereading/value found in relevanttable in the “Operational andService manual”.
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SHORT FORM SERVICE MANUAL
Check of heat elements
Measure the voltage(across each heater pair)
Measure the resistancevalue of each disconnected heater:
210 Ω (105 Ω as a pair)Value for tray heater: 400 ΩRange: +/- 10 Ω
5
4
Y/G
3
1
6
2
10
32
1211
98
76
Hevap
45
1
14Y/G
13
X601
5
3 2
6
5
8
1
7
3
4
12
2
4
4
4
6 6
2
4
6
(15 x 0,75mm2 / 15 x AWG 18)
Hevap
23
45
67
8
9
1011
1213
14
K3
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SHORT FORM SERVICE MANUAL
Change of parts
Always make sure to turn OFFthe main circuit breaker anddisconnect the power cable
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SHORT FORM SERVICE MANUAL
Notes
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SHORT FORM SERVICE MANUAL
Contacts
Internet
www.starcool.dk
Spare parts / orders
Service
Logistic
Technical Hot line 24/7
+45 73 64 35 00
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