2.4.3 Storage
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Storage only in the manufacturer’s original recyclable packaging
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Max. stacking height: 8 cartons
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Storage temperature: -25 to +55°C, max. rate of change 20K / hour,
class 1K4 acc. to EN61800-2, EN 60721-3-1
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Storage humidity: 5 … 95% relative humidity, no condensation,
class 1K3 acc. to EN61800-2, EN 60721-3-1
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Storage duration:
Less than 1 year: without restriction.
More than 1 year: capacitors must be re-formed before setting up and operating the
servo amplifier. To do this, remove all electrical connections and apply single-phase
230V AC for about 30 minutes to the terminals L1 and L2.
2.4.4 Maintenance, Cleaning
The devices do not require any maintenance, opening the devices invalidates warranty.
Cleaning : — if the casing is dirty: clean with Isopropanol or similar
NOTICE: Do not immerse or spray
— Dirt inside the unit: must be cleaned by the manufacturer
— For dirty protective grill on fan: clean with a dry brush
2.4.5 Disassembling
Observe the sequence below, if a servo amplifier has to be disassembled (e.g. for repla-
cement).
1. Electrical disconnection
a. Switch off the main switch of the switchgear cabinet and the fuses that supply
the system.
b. Warning: Contacts can still have dangerous voltages present up to 8 min
after switching off mains voltage. Risk of electric shock! Wait at least eight minutes
after disconnecting the servo amplifier from the main supply power before touching
potentially live sections of the equipment (e.g. contacts) or undoing any
connections. To be sure, measure the voltage in the DC Bus link and wait until it
has fallen below 60V.
c. Remove the connectors. Disconnect the earth (ground) connection at last.
2. Check temperature
Caution
During operation the heat sink of the servo amplifier may reach
temperatures above 80°C (176°F). Risk of minor burns! Before touching
the device, check the temperature and wait until it has cooled down below
40°C (104°F).
3. Disassembling
Remove the fan housing and disassemble the servo amplifier (reverse of the procedure
described in chapter "Mechanical installation).
14 S701x2-S724x2 Instructions Manual
Safety 07/2014 Kollmorgen
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