OPERATION AND MAINTENANCE MANUAL
Wall Mounted 0121…0661
Monobloc Wall Mounted Unit - WMA/WMF 0121-0181-0251-0281-0331-0551-0661 - Rev. 2.0. - Date: 18-07-2000 EN
15 (32)
Some special units can be fitted with an RVC/p pressostatic speed regulator which is not controlled by the
microprocessor.
p. MIN (default: 17bar)
p. MAX (default: 21bar
)
OFF
PROPORTIONAL BAND
p.
COND
Maximum speed:
100%
RVC/p
SETTING THE REGULATION AND SAFETY DEVICES
After starting the unit make the following settings:
- Room temperature
: see microprocessor control instruction manual
- Room relative humidity
: see microprocessor control instruction manual;
- Dirty filter differential pressostat:
see section on Setting the Dirty Filter Sensor.
Check that the safety devices are set to the values shown in the table below.
The regulation and safety devices are set in the factory and must not be changed without good reason.
.
Description
Intervention
Differential
Re-set
AP
High pressure air delivery pressostat
27,5 bar
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manual
BP
Low pressure air intake pressostat
2,0 bar
1,5 bar
3,5 bar
TSR
Heating element safety thermostat
320 °C
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manual
