E/1203/30A/35
1 2
FL
3
M1/14
M1/15
20.4 ALUMINIUM CASING - CVCAL
With this option, casing of the unit is made of aluminium instead of standard steel zinc
plated sheet. As standard, aluminium casing is not painted.
20.5 HIGH/LOW TEMPERATURE ALARM THERMOSTAT - TMC/TMF
TMC (option for high temperature signal) and TMF (option for low temperature signal) are
mechanical wall-mounted thermostats. They consist of thermostats with bi-metallic sensor
element for switching signal transmitters. Their adjustable range is from 0°C to 60°C, contacts
6A-250VAC. Type of contacts NC for TMC and NO for TMF.
20.6 RELAY FOR POTENTIAL FREE COMMON ALARM SIGNAL (HIGH AND LOW
PRESSURE, HIGH TEMPERATURE) - CA
HP (high pressure alarm), LP (low pressure alarm) are not available as separate signals.
CA, common alarm, is the consequence of the following alarms (high plow
phigh temperature). When one of these three symptoms appears, common alarm
is activated to warn about possible faults on the unit.
20.7 AIRFLOW SIGNAL - FL
It consists of a differential air pressure switch. It provides a voltage-free signal by a N.O.
contact when air flow pressure is different from the rated value, to indicate a fan malfunction.
This value of intervention is factory pre-set according to the unit model.
Summary of Contents for CVC 07 001yy
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