FUTURE® S AIR HANDLING UNIT
OPERATION AND MAINTENANCE
INSTRUCTIONS
15 December 2020
Ver 1.7 (We reserve the right to changes without prior notice)
23
6 Heat recovery section, plate
6.1 Operating conditions
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The operating temperature range is -40 °C ... +40 °C.
•
The maximum permissible pressure difference between supply and exhaust air is 800 Pa.
6.2 Safety
WARNING
Observe general and section-specific safety instructions
6.3 Installing
CAUTION
To prevent the risk of freezing, we recommend the use of fresh-air preheating in connection
with a plate heat recovery especially in sites where the exhaust air is humid.
6.4 Commissioning and maintenance
The maintenance interval is 6 months. It is advisable to have the unit serviced at the beginning (autumn) and
at the end (spring) of the heating season.
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Make sure that the heat transfer surfaces are clean and intact.
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Check the operation of the dampers. If necessary, lubricate with a silicone-based lubricant.
•
Check the turning direction of the actuator. If necessary, change the direction by turning the switch
on top of the actuator with a flathead screwdriver of suitable size.
•
Clean the heat recovery cube gently with a brush, compressed air or a vacuum cleaner.
•
Check and, if necessary, clean the condensation water discharge system, i.e., drip tray, piping and
water trap.
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Flush the piping.
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Make sure that there are no loose components, debris etc., that could get into the fan impeller.
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Make sure that the electrical cables are intact.
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Make sure that the access door gaskets and plate heat exchanger are in place and intact. Close the
access door and make sure that every latch tightens properly.
Summary of Contents for Future S
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