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CSE, July 5,2013
Standard Operational Procedure
Maintenance Delta Power System
Rev. 02
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1) On-site service call request
2) Periodic maintenance frequency
3) Outdoor power system maintenance
4) Replacing and maintaining of rectifiers
5) Replacing and maintaining of air filters
6) Maintaining cooling fan tray
7) Cleaning up after maintenance works
8) Maintenance notice
Contents
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On-site service call request
Provide first level remote phone technical support
Remote fault analysis and troubleshooting
Determine the failed components
Carry out on-site system alarm check
Carry out fault isolation and rectification
Downloading of system data and event log
Completing site visit report
Verify with customer that issue has been resolved
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Periodic maintenance frequency
For low level dust polluted site
System maintenance Once every 4 to 6 months
For medium level dust polluted site
System maintenance Once every 2 to 3 months
For high level dust polluted site
System maintenance Once every 1 to 2 months
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Required tools for maintenance
Voltmeter
Clamp meter
Crones tool
Temperature digital
Standard tools (screwdriver, clamp, wrench, etc)
Vacuum cleaner, Dust-cloth, Soft brush
Stair
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Required Spare part for maintenance
Rectifier Module DPR2900 (ESR48/56B F)
Orion Controller
Filter G4 type
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Required Maintenance check list form
(example form)
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General Maintenance
1. Prepare form check list maintenance
2. Take picture site condition (Site area, Telecom and Power system, ACPDB, KWH meter,
Grounding etc)
3. Follow check list form maintenance for guide action to check and measurement
4. Check and record electricity on sites into Form maintenance
5. Check all of connection from ACPDB into Rectifier system
6. Tighten connection cable power input Rectifier, battery connection, grounding connection and DDFalarm connection) with carefully
7. Download event and data log at Orion controller in power system Rectifier
8. Download parameter setting (or capture all of setting)
9. Clean outdoor power system inside and outside of cabinet using dust-cloth with carefully
10. Dont make a trash on sites and keep clean sites area
Outdoor Power System Maintenance
No special maintenance for this cabinet, unless the cabinet is being operated in extreme environment (dusty
environment).
The front panels and the cover of the cabinet were treated with a special coating, strictly do not use organic
cleanser or volatile solvent as make corrosion and can make damage cabinet.
For periodic cleaning, please clean dust from the cover and panel using soft brush or dust-cloth
If necessary, use a gentle cleanser or a lightly dampened lint free cloth to remove any dirt or smudges.
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Outdoor Power System Maintenance
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Removing and re-installing rectif ier module
Removing a Rectifier
- Push the both locker to unlock direction to un-lock the rectifier.
- Pull out the rectifier module slowly from the shelf, using one hand to support therear half of the rectifier and remove the rectifier from the shelf.(See picture)
Note:
Do not touch the DC output bus when pulling out the rectifier module.
Do not use spray cleanser to clean the equipment. Using a spray cleanser directly on theequipment ,can result in serious equipment damage!!!
Replacing and Maintaining Rectifier
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Rectifier maintenance
- Use soft clothes or soft brush to clean the surface of rectifier.
Note: Do not take apart rectifier to clean inside
Replacing a Rectif ier
- Install the rectifier module, holding the handle with one hand and using the other to
support the rear half of the rectifier module.
- Place the rectifier in the shelf and push into the shelf.
- Lock the rectifier
Note: Do not force the module into the slot. If it does not slide in and connect easily, remove andreset the unit.
Replacing and Maintaining Rectifier
Using a brush to clean
dust particles in panel
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Cleaning and Maintenance
Maintenance is necessary for rectifier, especially the rectifiers had been operated in
a severely extreme dusty environment.
- The front panel of rectifier and the cover of the shelf were treated with a special
coating, do not use organic cleanser or volatile solvent or corrosion damage may
occur.
- For periodic cleaning, brush the dust from the cover and panel. If necessary, use a
gentle cleanser or a lightly dampened lint free cloth to remove any dirt or smudges.
Periodic Maintenance (Frequency depends on site dust pollution level)
- Periodic maintenance is required for normal operation (2-3 month).
And That not maintenance in this periodic so the Filter replace max 12 month.
- If necessary, wipe to remove dusts from the front panel of rectifier, soft cloth andgently wipe the front of the shelf, the controller and rectifiers.
- Use a gentle detergent to clean is acceptable. Use a vacuum cleaner to blow out
dust inside rectifier is also recommended.
- For optimal performance of filter, perform maintenance for rectifier and filter on a
monthly basis.
Replacing and Maintaining Rectifier
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Replacing the Filter
- Loosen the handle screws (see picture).
- Loosen the butterfly screws
- Lift the frame & remove it from the bracket slot.
- Replace the filter from frame
- Set the frame with opposite process as above
Cleaning the filter- Follow above steps to remove dusty filters
- Clean the filter with gentle brush, dust cloth or small
bush for painting or soft brush
- After filter is cleaned, set the cleaned filter frame
with opposite process
- Frequency of cleaning varies with level of dust
pollution at site
Note: The filter is designed with material of non-
woven fiber and efficiency of G4.Filter shall be used
with qualified specification by Delta to make sure
cooling and dust holding performance.
Replacing and Maintaining Air Filters
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Maintenance Filter Notice
1. Clean the filter using vacuum cleaner or gentle brush or dust-cloth
2. Replacement filter: suggestion is 6-12 months (after maintenance 3-4 times)
3. Always keep door closed at any time if no maintenance required to prevent any
animal or dust come into cabinet.
4. Make sure door is locked properly before leaving to avoid vandalism or water/dust
ingressions.
5. Do not maintenance while in rainy or bad climate .
6. Only well-trained people can access the system.
7. Use specified or approved component for replacement such as air filter, fan, etc.
8. Follow instruction to perform needed maintenance
Replacing and Maintaining Air Filters
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-To cleaning DC fan tray inside of cabinet, we need remove DC fan tray from
mounting.
- Plug out cable input and cable alarm from system to DC fan tray
- Loose screw left side and right side position at DC fan tray
- Remove DC fan tray from frame
- Clean with carefully at DC fan tray and inside of DC fan
Maintaining Cooling Fan Tray
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Cleaning and Maintenance
Maintenance is necessary for fan tray to keep the air flow normal with optimal
performance, especially when system is operated in a severely extreme
environment such as dusty environment.
- For simple cleaning, clean dust from the fan tray using brush / dust-cloth. If
necessary, use a gentle brush or a lightly dampened lint free cloth to remove anydirt
Maintaining Cooling Fan Tray
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Ensure all maintenance tools are removed from system
Ensure all maintained parts are firmly tightened in correct position
Check to ensure all rectifiers installed & locked in correct position
Check to ensure no system alarms are active
Ensure outdoor power system is securely locked
Coordinate & inform customer or site owner once maintenance works
has finished
Ensure the sites gate is securely locked
Clean up after maintenance works
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To avoid outdoor system being damaged or causing electrical hazards,the following measures are to be adhered to during/after maintenance.
Always keep door closed at all times if no maintenance required to prevent
organism intruding.
Make sure the door is latched and locked properly before leaving to avoid
vandalism or water/dust ingress.
Do not open door in rainy or bad climate.
Only well-trained people can access the power system.
Use specified or approved component for replacement such as air filter, fan, etc
and strictly follow instruction sto perform needed maintenance.
Maintenance notice
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Thank You
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