Commissioning and Maintenance CAIRplus
72 PR-2009-0096-GB • Subject to modifications • R8-10/2015
8.6.3 Commissioning of steam heater assembly
DANGER!
• Please consider the safety instructions on page 5 and page 56ff when performing
all the described activities!
Complete the following commissioning steps:
• Open drain and air vent.
• Slowly open steam valves and wait until steam starts to escape.
• Close drain and air vent.
8.6.4 Maintenance of steam heater assembly
DANGER!
• Please consider the safety instructions on page 5 and page 55ff when performing
all the described activities!
Carry out the following maintenance steps:
• Check for leak-free condition and possible dirt on the air side.
• To ensure frost protection, periodically check the safety devices and take proper
precautions such as draining the equipment or adding antifreeze agents.
• Ensure that pipework connections and mountings are securely fixed.
• If necessary clean the coil on the air side (blow out with compressed air or low-
pressure water).
• Check steam inlet and condensate drain for proper operation.
• Air vent.
• Check control functions if available.
8.6.5 Commissioning/maintenance of direct-fired (gas) heater assembly
DANGER!
• Please consider the safety instructions on page 5 and page 55ff when performing
all the described activities!
Refer to the relevant commissioning instructions specified in the supplied documenta-
tion.
8.6.6 Commissioning and maintenance of electric heater
DANGER!
• Please consider the safety instructions on page 5 and page 55ff when performing
all the described activities!
Refer to the relevant commissioning instructions specified in the supplied documenta-
tion.
Danger of injury from scalding!
Hot steam escapes if an air vent is open! Consider scalding hazard.
• Open air vent carefully.
• For all jobs wear the appropriate personal protective equipment.
Danger of injury from scalding!
Hot steam escapes if an air vent is open! Consider scalding hazard.
• Slowly open air vents.
• For all jobs wear the appropriate personal protective equipment.
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