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Key

C = Check, R = Replace

User unit

Part

Test

Action

12 mth

2 yr

5 yr

Liquid cooling system

Coolant level inspection

If too low, top off

C

Charge plug/cable

Inspect cable and plug

Inspect cable and plug

C

Coolant pump (front)

Check for operation

Periodic replacement

C

R

Radiator fans (x2)

Inspect and clean

Clean/replace  as                                     
required (1)

C

R

Isolated power unit

Part

Test

Action

12 mth

2 yr

10 yr

Front door filters

Check filter

Clean/replace as                 
required (1)

C

R

Primary Transformer

Inspect electrical 
connections for signs of 
heat or corrosion

Ensure connections are 
tight and firm

C

Rear door fans + filter (x2)

 Check filter

 Check for airflow

Clean/replace  as                                  
required (1)

C

R

UPS battery

Check battery controller for 
alerts/alarms

Check and replace batteries 
as required

C

R

Notes:

  1.  Filter cleaning/replacement is environment dependent. Perform more frequently in higher pollution environments. 

 

  2.  Used batteries must be disposed of in accordance with applicable national and local environmental regulations.  

 

    They can also be returned to the manufacturer.

All units

Part

Test

Action

12 mth

2 yr

5 yr

Tilt sensor/door switches

Verify correct operation

If it does not operate               
correctly, troubleshoot

C

Electrical safety checks

See section 

Electrical Safety Checks

C

Maintenance intervals

Maintenance Manual

 | VersiCharge Ultra 175™

5

Summary of Contents for VersiCharge Ultra 175

Page 1: ...usa siemens com versichargeultra Front Back Maintenance Manual VersiCharge Ultra 175 175 kW DC fast charger ...

Page 2: ...ant safety instructions 3 Block diagram 4 Maintenance intervals 5 User unit maintenance 6 User unit maintenance checks 7 Isolated power unit maintenance 9 Isolated power unit maintenance checks 10 Electrical safety checks 11 2 ...

Page 3: ...so provides galvanic isolation of the charging system from the AC grid interface through the isolation transformer as well as charge control and communication to back office services CRITICAL Except as expressly stated herein all maintenance must be performed by a Siemens certified service agent only In the absence of a certified service agent the actions recommended in this manual should not be a...

Page 4: ...Block diagram Simplified Detailed excluding LV board Customer LV Distribution Board Isolated Power Unit User Unit VersiCharge Ultra 175 Maintenance Manual 4 ...

Page 5: ...re tight and firm C Rear door fans filter x2 Check filter Check for airflow Clean replace as required 1 C R UPS battery Check battery controller for alerts alarms Check and replace batteries as required C R Notes 1 Filter cleaning replacement is environment dependent Perform more frequently in higher pollution environments 2 Used batteries must be disposed of in accordance with applicable national...

Page 6: ...en General exterior maintenance Regular cleaning is recommended to avoid accumulation of debris dust dirt on or around the unit Wipe surfaces with a soft cloth dampened with water or use an alcohol based cleaner for harder to remove marks Do not spray with high pressure cleaning hoses or use abrasive chemicals Snowfall areas Regularly remove snow build up if present in front of the radiator panels...

Page 7: ...notify the supplier 5 Cable Management system Pull on the cables to check the retraction system of the cables If blocked contact your supplier Coolant level and radiator fans check 1 Coolant level inspection 1 Check if the coolant is at the correct level Note The coolant should be above the level indicated by the arrows in the following image 2 If the coolant level is below the half way arrow mark...

Page 8: ...nd plugs 2 Check for cuts holes cracks sharp edges and exposed copper 3 If you observe any cuts holes cracks etc contact your supplier 4 Check the contact pins for signs of corrosion 5 If corrosion is present contact your supplier VersiCharge Ultra 175 Maintenance Manual 8 ...

Page 9: ...damage to the unit contact your supplier It is recommended to perform general maintenance at least once a year depending on the environment In harsh environments general maintenance should be performed more often General exterior maintenance Regular cleaning is recommended to avoid accumulation of debris dust dirt on or around the unit Wipe surfaces with a soft cloth dampened with water or use alc...

Page 10: ...ally as part of continuous maintenance Doors 1 Check hinges for ease of movement and spray with a suitable water free lubricant 2 Check the lock for ease of movement and spray with a suitable water free lubricant Seals 1 Check the seals for damage around the contact areas 2 If any damage replace the seal Metalwork enclosure 1 Check for signs of corrosion or damage such as scratches 2 For minor cor...

Page 11: ...elief structures 8 Retorque any screw terminals especially contactor 9 Inspect the retention of rectifier module screw terminals these cannot be retorqued 10 Check the resistance of 50 Ohm discharge resistor and 25 Ohm discharge resistor can be done with a DMM with the power off 11 Retorque and check IMD connections and terminals 12 Check AC contactors in the IPU are in the released open position ...

Page 12: ... not be relied upon for any specific application and does not constitute a performance guarantee for any projects Actual results are dependent on variable conditions Accordingly Siemens does not make representations warranties or assurances as to the accuracy currency or completeness of the content contained herein If requested we will provide specific technical data or specifications with respect...

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