Stulz ENS 18 A - Maintenance cycles

© STULZ GmbH, Hamburg DE / 06-2016 / 1000687
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71
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STULZ UltraSonic -System for duct humidication ENS 14 A - 18 A- Maintenance
11.1. Maintenance cycles
Content of general maintenance checks:
Job to be performed Scope of checks Time interval
1)
Page
Plant operator
Check for secure
connections
- Tightness of connections of water-bearing parts
- Cleanness of lter
- Water tank and outside of unit for impurities
- Humidity sensor and ventilation slots for impurities
3 months
75
Mist guide tubes Check mist guide tube for deposits. 3 months 77
Clean the water tank Remove housing cover and retaining plate together with
mist ow pipes (open water tank), clean and disinfect
with hydrogen peroxide solution.
6 months
77
Clean the air lter Open lter case, clean lter. 6 months 77
Leak test Check all screw and push-in connections for leaks
- Threaded joints are secure
- Connectors are secure
6 months
74
Transducers Check transducers for deposits. 6 months 77
Specialist engineer
Inspect electrical system Remove cover of control system and check electrics. 6 months 78
Replace nebulizer print
plates
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Approx. every 10,000
operating hours
100
Replace ultrasonic
humidier
---
In the event of prob-
lems or failure
71
Replace oat
switch for
supply pipe
---
Approx. every 10,000
operating hours 85
Replace oat
switch for
lower water level
---
In the event of prob-
lems or failure, every
10,000 operating
hours at the latest
85
Replace relay PCBs
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In the event of prob-
lems or failure
80
1)
Time intervals may be shorter in isolated cases, depending on local conditions.
1)
Visual inspections must be performed regularly!
CAUTION
Time intervals of maintenance cycles
.
The time intervals of maintenance cycles may have to be adapted to suit local conditions.
IMPORTANT