CAIRplus Installation
PR-2009-0096-GB • Subject to modifications • R8-10/2015 43
For units with outside-air or mixed-air operation consider the following:
6.3.2 Installing evaporator/condenser components
• Use special tools and fittings for handling service connections.
9 The units are charged with protective nitrogen that audibly discharges when caps
are removed.
6.3.3 Installing coils with a liquid-coupled energy recovery system
Refer to "Installing air-handling components for cooling/heating applications" on
page 42.
ATTENTION
Risk of damage to the unit!
• Protect the heat exchanger in unit from ice and freezing at ambient
temperatures below the freezing point.
• Use proper antifreeze agents in the water circuit.
Notice!
Using glycol is allowed, but the glycol concentration shall not exceed 50% of
the total charge.
A higher quantity can cause operating faults.
ATTENTION
Risk of environmental damage!
• Properly dispose of all liquids (refrigerants) in an environmentally-friendly way
in accordance with the locally applicable laws and regulations.
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