robatherm RM Series - Page 76

Commissioning and Maintenance
72 © robatherm
Pressure Check
Carry out as an option following DIN 4753, part 1.
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Attention
When doing this observe the permissible pressure stage.
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Direction of Rotation
Check direction of rotation of pumps and servo motor. Change electrical connections if
incorrect.
Hydraulics
Optional performance of hydraulic commissioning with setting and compensation of
pressures (e.g. by using pressure regulating device).
Steam
In control equipment for steam the unobstructed discharge of condensate must also be
checked (all condensate shut off valves must be open).
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Maintenance
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Venting
Pumps with venting devices (e.g. high pressure centrifugal pumps in high efficiency run
around heat recovery systems) shall be vented again 2 weeks after commissioning. Observe
manufacturer’s instructions.
Otherwise, bearings and shaft seals might be damaged.
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Maintenance Interval
Every three months. ATEX units every month.
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Caution
Observe general safety instructions on page 3!
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Caution
To avoid burns, do not touch hot/cold surfaces.
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Caution
Before starting work allow components to cool/warm up to the ambient temperature.
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Caution
Avoid any contact with brine while charging or venting. Danger of poisoning and acid burns!
Observe manufacturer’s instructions.