ACV Prestige 24 Solo Installer's Handbook page 75

MENUS AND SCREENS DESCRIPTION
Cascade Settings
Cascade Setting
?
Stage Delay 60 sec
O
NLY ADJUST THIS SETTING
Minimum Firing Rate 25%
WHEN INSTRUCTED TO BY
Max. Firing Rate 250 kW
CH / DHW Boilers 0
Auto Rotation Enabled
P
RESS
CH Prop. Gain 7
SETTING
KEEP CURRENT SETTINGS
Cascade Setting
Minimum Firing Rate 25%
O
Max. Firing Rate 250 kW NLY ADJUST THIS SETTING
WHEN INSTRUCTED TO BY
CH / DHW Boilers 0
Auto Rotation Enabled
CH prop. Gain 7 P
RESS
CH Integral Gain 245
SETTING
KEEP CURRENT SETTINGS
CH Prop. Gain
WARNING!
7
.
ACV SUPPORT
1 255
OK
BUTTON TO ADJUST
,
ANY OTHER BUTTON TO
.
WARNING! CH Integral Gain
245
.
ACV SUPPORT
1 255
OK
BUTTON TO ADJUST
,
ANY OTHER BUTTON TO
.
The Installer's Handbook - ACVMax: A1004308 - 660Y2900 - Volume 3 • B
CH Proportional Gain allows the cascade response to be adjusted for a central heating call. CH Proportional
Gain has the greatest influence when the system temperature is far away from the setpoint.
Press the LEFT or RIGHT buttons to adjust the CH Proportional Gain then press the OK button to store the
setting.
• Increase CH Proportional Gain
- The Cascade System will reach setpoint faster, but overshooting the setpoint may occur.
- To reach the setpoint faster, increase the CH Proportional Gain value by 2. Perform Cascade Autodetection
and initiate a central heating call. Observe the cascade response and make further adjustments if necessary..
• Decrease CH Proportional Gain
- The Cascade System will take longer to reach the setpoint, but setpoint overshooting is minimized.
- If the setpoint is reached too quickly, decrease the CH Proportional Gain value by 2. Perform Cascade Auto-
detection and initiate a central heating call. Observe the cascade response and make further adjustments if
necessary
Default: 7
Please consult ACV's technical Support before making any adjustments. Improper adjustment of
CH Proportional Gain could lead to temperature fluctuations and erratic cascade operation.
CH Integral Gain allows the cascade response to be adjusted for a central heating call. CH Integral Gain has the
greatest influence when the system temperature is close to the setpoint.
Press the LEFT or RIGHT buttons to adjust the CH Integral Gain then press the OK button to store the setting.
• Increase CH Integral Gain
- The Cascade System will take longer to reach the setpoint, but setpoint overshooting is minimized.
- If the setpoint is reached too quickly, increase the CH Integral Gain value by 2. Perform Cascade Autode-
tection and initiate a central heating call. Observe the cascade response and make further adjustments if
necessary.
• Decrease CH Integral Gain
- The Cascade System will reach setpoint faster, but overshooting the setpoint may occur.
- To reach the setpoint faster, decrease the CH Integral Gain value by 2. Perform Cascade Autodetection and
initiate a central heating call. Observe the cascade response and make further adjustments if necessary
Default: 245
Please consult ACV's technical Support before making any adjustments. Improper adjustment of
CH Integral Gain could lead to temperature fluctuations and erratic cascade operation.
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