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7.0

Cascade

7.5.9 CH Proportional Gain

Default: 7

CH Proportional Gain allows the cascade response to be adjusted for a cen-

tral heating call. CH Proportional Gain has the greatest influence when the

system temperature is far away from the setpoint. Press the

LEFT

RIGHT

buttons to adjust the CH Proportional Gain then press the

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 Autodetection

and initiate a central heating call. Observe the cascade response

and make further adjustments if necessary.

Only make adjustments to this setting after consulting ACV-Triangle

Tube Technical Support. Improper adjustment of CH Proportional

Gain could lead to temperature fluctuations and erratic cascade

operation.

7.5.10 CH Integral Gain

Default: 245

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

RIGHT

buttons to

adjust the CH Integral Gain then press the

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 Autodetection and initiate a

central heating call. Observe the cascade response and make fur-

ther adjustments if necessary.

• Decrease CH Integral Gain

- The Cascade System will reach setpoint faster, but overshooting

the setpoint may occur.

NOTICE

255

245

CH Integral Gain

255

CH Proportional Gain

2015-10 Prestige ACVMax Control Sup 12-14-15_ACVMax_Control 12/15/15 7:37 AM Page 54

Содержание Prestige ACVMax

Страница 1: ...e PRESTIGE Boiler Installation and Maintenance Manual before proceeding It is recommended to follow the procedures in the steps given Skipping or missing procedural steps could result in severe person...

Страница 2: ...nt 8 2 14 CH Post Pump Time 8 2 15 Freeze Protection 8 2 16 Frost Protection Setpoint 9 2 17 Parallel Shift Value 9 2 18 CH Call Blocking 9 3 0 DHW SETTINGS 3 1 Navigation 10 3 2 DHW Operation 10 3 3...

Страница 3: ...ing Connections 41 7 3 5 Line Voltage Wiring Connections 42 7 3 6 Cascade Autodetection 42 7 3 7 Lockouts 43 7 4 Cascade Information 50 7 4 1 Navigation 50 7 4 2 System Temperature Logging 50 7 5 Casc...

Страница 4: ...Page left intentionally blank iii 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 36 AM Page 4...

Страница 5: ...ion and longevity of the equipment WARNING NOTICE CAUTION DANGER BEST PRACTICE DEFINITIONS IMPORTANT INFORMATION READ BEFORE PROCEEDING This document is intended to be used by a fac tory trained and q...

Страница 6: ...applications to achieve optimum boiler efficiency and operation Two central space heating CH call inputs with separate outdoor reset curves Two temperature central space heating CH temperature contro...

Страница 7: ...t entered correctly Entering the installer access code allows the installer to make adjust ments for 30 minutes After 30 minutes the access code will need to be entered again to make any adjustments T...

Страница 8: ...nstaller Access Code CH Settings Reset All Settings Press OK to restore factory settings any other button to keep current settings Cascade Info Manual Operation Released Off Off Off CH1 FAN DHW CH2 Ho...

Страница 9: ...the outdoor temperature for central heating calls Thermostat Setpoint A central heating call from a dry contact switch will enable the Prestige and the setpoint will be fixed for central heating call...

Страница 10: ...FT or RIGHT buttons to adjust the CH1 Maximum Setpoint then press the OK button to store the setting 2 6 CH1 Minimum Setpoint Default 80 F 27 C CH1 Minimum Setpoint is the minimum setpoint for a CH1 h...

Страница 11: ...m Setpoint then press the OK button to store the setting 2 11 CH2 Minimum Setpoint Default 80 F 27 C CH2 Minimum Setpoint is the minimum setpoint for a CH2 heating call when an Outdoor Reset option is...

Страница 12: ...the heat remaining in the boiler at the completion of a call to be sent to the heating system which will improve the overall efficiency of the system Press the LEFT or RIGHT buttons to adjust the CH...

Страница 13: ...ult in the Prestige operating at the highest CH1 or CH2 setpoint The CH1 or CH2 Thermostat terminals with the highest setpoint will be used to adjust the setpoint If the Thermostat terminals with the...

Страница 14: ...nd PRESTIGE Solo Default Thermostat PRESTIGE Excellence Default Sensor Demand Type allows the installer to select the type of device which will generate a domestic hot water call Press the UP or DOWN...

Страница 15: ...r the DHW storage temperature must fall below the DHW Setpoint to create a domestic hot water call when the Sensor option is chosen in DHW Demand The domestic hot water call will end when the DHW stor...

Страница 16: ...l time limit that a domestic hot water call has priority over a central heating call when DHW Priority is set to Enabled Press the LEFT or RIGHT buttons to adjust the DHW Priority Timeout then press t...

Страница 17: ...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 buttons to adjust the DHW Call Blocki...

Страница 18: ...torage temperature reaches 140 F 60 C to prevent unnecessary firings This function will be active even if DHW Operation has been set to Disabled Disabled The Prestige will only fire in DHW mode when a...

Страница 19: ...and DHW Demands are satisfied by the built in circulator and 3 way diverter valve Excellence units also require setting Demand Type to Sensor for correct DHW operation 4 3 Lockout Temp Default 210 F 9...

Страница 20: ...raulic schemes Please refer to Figs 2 through 14 on pages 18 30 Press the UP or DOWN buttons to scroll through the options then press the OK button to store the set ting 4 5 3 Preset Pump Configuratio...

Страница 21: ...out Blocking and Warning Relay is activated at a non volatile lock out at a blocking error self resetting or at a warn ing On Lock out and Blocking Relay is activated at a non volatile lock out or at...

Страница 22: ...18 Fig 2 System Piping with Solo Preset Config 1 4 0 Boiler Settings 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 36 AM Page 18...

Страница 23: ...19 4 0 Boiler Settings Fig 3 System Piping with Solo Preset Config 2 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 36 AM Page 19...

Страница 24: ...20 4 0 Boiler Settings Fig 4 System Piping with Solo Preset Config 3 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 36 AM Page 20...

Страница 25: ...21 Fig 5 System Piping with Solo Preset Config 4 4 0 Boiler Settings 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 36 AM Page 21...

Страница 26: ...22 4 0 Boiler Settings Fig 6 System Piping with Solo Preset Config 5 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 36 AM Page 22...

Страница 27: ...23 4 0 Boiler Settings Fig 7 System Piping with Solo Preset Config 6 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 36 AM Page 23...

Страница 28: ...ig 7 Note This Configuration to be used where the Low Temp Circuit is a micro load as the High Temp Circuit will run for any call on the Low Temp Circuit to prevent boiler cycling 2015 10 Prestige ACV...

Страница 29: ...25 4 0 Boiler Settings Fig 9 System Piping with Solo Preset Config 8 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 37 AM Page 25...

Страница 30: ...tion requires that the Low Temp Pump and High Temp Pump be connected in par allel to the CH Pump Relay An isolation relay is may be used to ensure the CH Pump Relay will not be overloaded during opera...

Страница 31: ...ig 10 Note This Configuration to be used where the Low Temp Circuit is a micro load as the High Temp Circuit will run for any call on the Low Temp Circuit to prevent boiler cycling 2015 10 Prestige AC...

Страница 32: ...28 4 0 Boiler Settings Fig 12 System Piping with Solo Preset Config 11 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 37 AM Page 28...

Страница 33: ...29 4 0 Boiler Settings Fig 13 System Piping with Solo Preset Config 12 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 37 AM Page 29...

Страница 34: ...30 4 0 Boiler Settings Fig 14 System Piping with Solo Preset Config 13 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 37 AM Page 30...

Страница 35: ...31 4 0 Boiler Settings Fig 15 System Piping with Excellence Preset Config 1 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 37 AM Page 31...

Страница 36: ...32 4 0 Boiler Settings Fig 16 System Piping with Excellence Preset Config 2 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 37 AM Page 32...

Страница 37: ...33 4 0 Boiler Settings Fig 17 System Piping with Solo Preset Config 3 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 37 AM Page 33...

Страница 38: ...34 4 0 Boiler Settings Fig 18 System Piping with Excellence Preset Config 4 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 37 AM Page 34...

Страница 39: ...35 4 0 Boiler Settings Page left intentionally blank 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 37 AM Page 35...

Страница 40: ...n instructions to reset all settings back to the original factory defaults PRESTIGE Excellence units require setting Prestige Model to Solo Excel 3 way valve and DHW Demand Type to Sensor after using...

Страница 41: ...Type Thermostat Solo Sensor Excellence 3 4 Boiler DHW Setpoint 168 F 76 C 96 F 35 C 188 F 87 C 3 3 3 5 DHW Setpoint 140 F 60 C 68 F 20 C 176 F 80 C 3 3 3 6 DHW On Differential 6 F 3 C 4 F 15 C 18 F 8...

Страница 42: ...operate together in a single heating system Parallel Modulation fires as many boilers as possible to maximize system efficiency Lead Stage Automatic Rotation rotates the lead boiler to ensure even wea...

Страница 43: ...Role System Temp Active Boilers Total Boilers Cascade Firing Rate Master 86 F 0 2 Stage Delay Minimum Firing Rate Max Firing Rate CH DHW Boilers Auto Rotation CH Prop Gain 60 sec 25 398 MBH 0 Enabled...

Страница 44: ...rovide the most accurate water temperature readings Install the 1 2 NPT direct immersion temperature sensor in a tee on the common sup ply header downstream of all boilers in the system Ensure that th...

Страница 45: ...ascade Master X16 connector on the control module of the Master boiler or prior Slave boiler in cascades of three or more boilers The 6 pin molex connector plugs into the Cascade Slave connector of th...

Страница 46: ...ny of the Slave boilers are locked in a condition set by the Error Relay setting 7 3 6 Cascade Autodetection 7 3 6 1 Navigation Home Screen Installer Menu Cascade Cascade Autodetection The Cascade Sys...

Страница 47: ...pts Check gas supply to boiler If problem persists after two reset attempts call service Press OK to reset E1 Slave Operation 7 3 7 Lockouts If a lockout occurs to a boiler in a Cascade System it will...

Страница 48: ...44 7 0 Cascade Fig 21 Primary Secondary Cascade Piping Note Reference Fig 22 page 45 for cascade wiring 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 37 AM Page 44...

Страница 49: ...mosta t CH1 Thermostat Outdoor Sensor DHW Sensor or Aquastat Modbus CH L G N L G N L G N L G N L G N L G N L G N FLAME PUMP 4 PUMP 3 DHW PUMP CH PUMP POWER SUPPLY ALARM CH2 Thermostat System Sensor Mo...

Страница 50: ...46 7 0 Cascade Fig 23 Reverse Return Cascade Piping Note Reference Fig 24 page 47 for cascade wiring 2015 10 Prestige ACVMax Control Sup 12 14 15_ACVMax_Control 12 15 15 7 37 AM Page 46...

Страница 51: ...osta t CH1 Thermostat Outdoor Sensor DHW Sensor or Aquastat Modbus CH L G N L G N L G N L G N L G N L G N L G N FLAME PUMP 4 PUMP 3 DHW PUMP CH PUMP POWER SUPPLY ALARM CH2 Thermostat System Sensor Mod...

Страница 52: ...em Note 1 Reference Fig 26 page 49 for cascade wiring Note 2 DHW Priority must be set to Enabled in DHW Settings of the Cascade Master for proper operation 2015 10 Prestige ACVMax Control Sup 12 14 15...

Страница 53: ...l CH2 Thermosta t CH1 Thermostat Outdoor Sensor DHW Sensor or Aquastat Modbus CH L G N L G N L G N L G N L G N L G N L G N FLAME PUMP 4 PUMP 3 DHW PUMP CH PUMP POWER SUPPLY ALARM CH2 Thermostat System...

Страница 54: ...4 00 16 00 8 00 0 00 System Temp Information Item Description Cascade Role Displays the current role of the Prestige in the Cascade System Cascade Role will be one of the following Master Indicates th...

Страница 55: ...ay between enabling boilers Overshooting the setpoint could occur due to boilers staying on longer before being disabled Decrease Stage Delay Overshooting the setpoint could occur due to boilers being...

Страница 56: ...rate if required to replace the output of the dis abled boiler Stable cascade operation requires that all boilers in a Cascade System be the same size Mixing boiler sizes in a Cascade System could lea...

Страница 57: ...H DHW boilers must be piped to both CH and DHW loads directly for proper operation DHW Priority must be set to Enabled in DHW Settings of the Cascade Master for proper operation All CH DHW Boilers wil...

Страница 58: ...response and make further adjustments if necessary Only make adjustments to this setting after consulting ACV Triangle Tube Technical Support Improper adjustment of CH Proportional Gain could lead to...

Страница 59: ...tional Gain The Cascade System will reach setpoint faster but overshooting the setpoint may occur To reach the setpoint faster increase the DHW Proportional Gain value by 2 Perform Cascade Autodetecti...

Страница 60: ...Autodetection and initiate a domestic hot water call Observe the cascade response and make further adjustments if necessary Decrease DHW Integral Gain The Cascade System will reach setpoint faster bu...

Страница 61: ...Write Address DEC HEX Supported Commands Description Byte Format Notes 512 0x0200 0x03 0x06 0x10 CH Demand MB U8 LB U8 Writing 0 Modbus CH1 Demand has prior ity over a DHW call 255 DHW call has priori...

Страница 62: ...ly Temperature System Temperature S16 Value 0 1 C Invalid Value 32768 0x8000 Value is the Boiler Supply Temperature unless the System Temperature Sensor is installed 769 0x0301 0x04 Boiler Return Temp...

Страница 63: ...he CH CH1 icon is highlighted to manually power the CH 1 circulator Press the OK button again while the CH CH1 icon is highlighted to shutdown the CH 1 circulator The Auxiliary Boiler circulator is al...

Страница 64: ...a 99 9 copper and brazed ensuring a high resistance to corrosion Self cleaning and self descaling Computerized sizing available from ACV Triangle Tube Available in capacities from 25 000 BTU hr to 5 0...

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