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System Control - ACVMax: 660Y2800 • C
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ACVMAX PARAMETERS FOR THE SPECIALIST
ACVMAX PARAMETERS FOR THE SPECIALIST
Status Line Message
Description
Standby
Indicates that the Prestige is ready to respond when a demand is received.
CH Demand
A central heating call has been received.
DHW Demand
A domestic hot water call has been received.
CH / DHW Demand
Central heating and domestic hot water calls are being received simultaneously. Both calls are being satisfied simultaneously because domestic hot
water priority has been disabled.
DHW Priority
Central heating and domestic hot water calls are being received simultaneously. Domestic hot water call is being satisfied first because it has priority
over central heating calls.
Priority Timeout
Central heating and domestic hot water calls are being received simultaneously. The domestic hot water priority time limit has been exceeded.
Priority will now switch back and forth between central heating and domestic hot water calls until one call is satisfied.
External Demand
An external modulation call has been received.
Slave Operation
The Prestige is a slave in a cascade system.
Manual Operation
The burner or circulators have manually been enabled in the Installer Menu.
CH Burner Delay
The burner will not fire until the call blocking time has elapsed.
DHW Burner Delay
The burner will not fire until the call blocking time has elapsed.
CH Setpoint Reached
The burner is not fired because the supply/system water temperature exceeds the setpoint. The central heating circulator continues to operate and
the burner will fire again once the supply/system water temperature drops below the setpoint.
DHW Setpoint Reached
The burner is not fired because the supply/system water temperature exceeds the setpoint. The domestic circulator continues to operate and the
burner will fire again once the supply/system water temperature drops below the setpoint.
CH Post Pump
The central heating circulator is running to remove heat from the Prestige at the completion of a call.
DHW Post Pump
The domestic hot water circulator is running to remove heat from the Prestige at the completion of a call.
Freeze Protection
Freeze protection will end once the supply/system water temperature is raised to 16ºC.
Boiler Protection
The burner firing rate is being reduced because of an excessive difference between the boiler supply and return temperatures. The firing rate will
begin increasing once the temperature difference is less than 25ºC.
Lockout Description
The lockout which currently has the Prestige shut down is displayed.
LIST OF STATUS LINE MESSAGES