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ACV Prestige Excellence Manual

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System Control - ACVMax: 660Y2800 • B
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APPLIANCE DESCRIPTION AND OPERATION
CH & DHW Settings / DHW settings (Cont’d)
DHW Settings
DHW Boiler Setpoint 75°C
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW Post Pump Time 5 min
DHW Priority Timeout O
DHW Settings
DHW Setpoint 60°C
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW Post Pump Time 5 min
DHW Priority Timeout O
DHW Priority Enabled
DHW Priority
Enabled
Disabled
DHW Priority allows the domestic hot water priority function to be enabled and disabled.
Press the UP or DOWN buttons to select Enabled or Disabled then press the OK button
to store the setting.
• Enabled- Domestic hot water calls will have priority over a central heating call. The boiler setpoint
will be set to the domestic hot water setpoint during a domestic hot water call. The DHW circulator
will be enabled and the heating circulators will be disabled during a domestic hot water call.
• Disabled - Domestic hot water calls will not have priority over a central heating call. The boiler
setpoint will be set to the domestic hot water setpoint when only a domestic hot water call is
present. The boiler setpoint will be set to the highest setpoint when simultaneous domestic
hot water and central heating calls are present. The DHW circulator will be enabled during a
domestic hot water call. The heating circulators will be enabled during a central heating call.
Default: Enabled
DHW Settings
DHW on Dierential 3°C
DHW Storage Adder 15°C
DHW Post Pump Time 5 min
DHW Priority Timeout O
DHW Priority Enabled
DHW Call Blocking 0 min
DHW Call
Blocking
0 min.
0 min. 30 min.
DHW Call Blocking sets the minimum time between burner rings for domestic hot water calls.
At the completion of a burner ring, the DHW Call Blocking time will begin. The burner will not
re again until after the DHW Call Blocking time has elapsed. The DHW Call Blocking time only
prevents the burner from ring, the domestic hot water circulator will respond to a domestic hot
water call. This blocking time has no aect on central heating calls. The DHW Call Blocking feature
prevents short cycling of the burner and extends the life of the burner components.
Press the LEFT or RIGHT button to adjust the DHW Call Blocking time then press the OK
button to store the setting.
Default: 0 min.
Simultaneous domestic hot water and central heating calls will result in the PRESTIGE
operating at the highest target temperature when DHW Priority is set to disabled. The
use of a mixing device on the lower temperature zones may be required to protect
the lower temperature zones from damage
DHW Settings
DHW Storage Adder 15°C
DHW Post Pump Time 5 min
DHW Priority Timeout O
DHW Priority Enabled
DHW Call Blocking 0 min
DHW to CH Call Blocking 1 min
DHW to CH
Call Blocking
1 min.
0 min. 30 min.
DHW To CH Call Blocking sets the minimum time between a DHW burner ring and a CH burn-
er ring. At the completion of a DHW burner ring, the DHW to CH Call Blocking time will begin.
The burner will not re again for a central heating call until after the DHW To CH Call Blocking time
has elapsed. This feature only prevents the burner from ring, the central heating circulators will
respond to a central heating call. This blocking time has no aect on domestic hot water calls. The
DHW To CH Call Blocking feature prevents the burner from ring when switching from a domes-
tic hot water call to a central heating call. This allows the remaining heat in the heat exchanger to
be dissipated and potentially satisfy the central heating call.
Press the LEFT or RIGHT buttons to adjust the DHW To CH Call Blocking time then press
the OK button to store the setting.
Default: 1 min.
… 18 …


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