EVCO c-pro CLIMA sistema Installer manual - Manual (Page 85)

C-PRO CLIMA SISTEMA INSTALLER MANUAL
Page 85
9.6.3 Management and setting the stagnation emergency for solar panels
circuits (MCPS module)
Whenever the temperature of the water in one of the solar panels circuits exceeds the maximum
temperature value accepted for the system of the hysteresis value, then the regulator for c-pro micro
MCPS solar panels will start a special stagnation emergency cycle.
The emergency condition must remain at least for a fixed time of 60 seconds and will be managed
in the following way, according to the value set for the Stagnation emergency parameter:
- ON/OFF: the stagnation emergency will be managed via the activation of a solenoid vent
valve, which will dispose of the hot water.
The heat disposal relay will remain enabled until the temperature of the solar panels circuit
has gone back below the maximum temperature value accepted of the hysteresis value
(differential).
As well as the heat disposal relay, the circulation pump of the corresponding solar panels
circuit is activated at the same.
- Cover1: the stagnation emergency will be managed by the opening of a motorised cover
(servomotor with spring return) which will cover the surface of the solar panels from solar
exposure.
The cover opening relay will remain enabled until the temperature of the solar panels circuit
has gone back below the maximum temperature value accepted of the hysteresis value
(differential).
As well as the cover opening relay, the circulation pump of the corresponding solar panels
circuit is activated at the same.
- Cover2: the stagnation emergency will be managed by the opening/closing of a motorised
cover (servomotor with separate opening and closing controls) which will cover the surface
of the solar panels from solar exposure.
The cover opening relay will remain enabled until the temperature of the solar panels circuit
temperature has returned below the maximum temperature value accepted of the hysteresis
value (differential). If this is not the case, the cover closing relay will remain active for all
periods in which the cover must be closed.
As well as management of the cover opening/closing relays, the circulation pump of the
solar panels circuit is activated at the same.
N.B.
Setting the parameter at the Cover2 value will not have any effect if the system has been configured
to manage the second solar panels circuit or if the Aux1 auxiliary circuit is present.
Important parameters:
MCPS: Maintenance Menu
Panels Maintenance Stag. emergency