Zehnder Rittling H4C, Инструкция по установке, эксплуатации и обслуживанию

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Failure to do this may result in
significant property damage and
void the manufacturer’s warranty.
The manufacturer will not be
responsible for any consequential
damages due to water.
Periodic checks of the drain (where
applicable) should be made during
the cooling season to maintain a
free-flowing condensate.
Should the growth of algae and/or
bacteria be a concern, consult an
air-conditioning and refrigeration
supply company familiar with local
conditions for chemicals or other
solutions available to control these
substances.
Troubleshooting
Troubleshooting water control unit (room too hot or cold)
Possible Cause
Remedy
System on cooling
Incorrect thermostat setting
Room too cold - move thermostat knob to warmer position
until control valve closes. Room too hot - move knob to
cooler position until control valve opens.
Defective controls Check control manufacturer's instructions
Unit operating at other design conditions
Check primary airflow (nozzle pressure), primary air tempera-
ture and secondary water temperature. Correct to design
conditions.
System on heating
Incorrect thermostat setting
Room too cold - move themostat knob to warmer position
until control valve opens. Room too hot - move knob to
cooler position until control valve closes.
Defective controls Check control manufacturer's instructions
Unit operating at other design conditions
Check primary airflow (nozzle pressure), primary air tempera-
ture and secondary water temperature. Correct to design
conditions.
Replacement parts
Foreign object in unit
Vacuum unit to remove debris
dropped through discharge grille.
Controls
Refer to control manufacturer's
instructions for maintenance of
field-supplied room thermostat
and water control valve.
Normal operation
and periodic
maintenance
Factory replacement parts
should be used wherever
possible to maintain unit
performance, it’s normal
operating characteristics and its
safety testing agency listings.
Replacement parts may
be purchased through the
local Zehnder Rittling sales
representative.
Contact the local sales
representative or factory before
attempting any unit modifications.
Any modifications not authorized by
the factory could result in personnel
injury, damage to the unit, and will
void the manufacturer’s warranty.
When ordering parts, the following
information should be supplied to
ensure proper part identification:
n n
Complete unit model number
n n
Unit serial number
n n
Complete part description
including any identifying numbers
on the part
On warranty replacements, it
is often necessary to return the
faulty component to receive
credit. Contact the local sales
representative who will get
authorization from the factory
including an RGA (returned
goods authorization) to be used
when sending components back
for inspection. Any returned
components sent back to the
factory without the proper
RGA attached will cancel any
outstanding credit.
Controls