S&P CADB-N TERMO-REG 05 Instrucciones De Uso página 57

Anomaly
Air pulsation.
There is water inside
the unit.
Fig.1. Location of the pulser for manual reset of thermal protectors
Danger of burns, there is a risk that the metal parts are at a high temperature.
If an error occurs in any of the temperature sensors, to ensure the operation of the unit, the tempera-
ture values are shown in the following table:
Sensor
Outside air (ODA)
Supply air (SUP)
Extract air (ETA)
Exhaust air (EHA)
Water coil
Cause
Fan working in fl ow conditions
almost 0.
Flow instability, obstruction or
bad connection.
Drain clogged or wrongly
dimentioned.
Only DC versions. Internal
breakage of water coil.
Only Dc version. The water coil is
being used for cooling purpose
with cold water.
Factory setting (ºC)
Solution
Modifi cation of the circuit and/or replacement of
the fan.
Clean and/or readjust the inlet channels.
Operate the electronic regulator, increasing the
minimum speed (insuffi cient voltage).
Contact the S&P Customer Advice service.
Check if exists a body/object obstructing the pas-
sage of water and remove it. Verify that the drain
trap exists and is correctly sized according to the
instructins of this manual.
Isolate the battery using the isolation valves.
Repair the leak/ Replace the battery.
The CADB-N DC heat recovery can be used just for
post-heating function with hot water.
10
25
5
5
9
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