36
APPENDIX 1 PARTIAL HYDRAULIC CIRCUITS
APPENDIX 1a Boiler 1 Master Conguration Options
A.KM821‐I5,SystemManagerandTTL‐VariCANadapteronl
Boiler1,Masterconfigurationoption
Boilern,Slaveconfigurationoption
ExtensionModuleconfigurationoption
Sequencecontrol1‐16boilers
Sequencecontrol1‐16boilers,Boilern Extensionmodulewith1xMixingcircui
S‐FT RT‐SC
S‐RT‐SC
S‐OT B1 Bn
Bn S‐OT‐MC V‐MC
P‐MC
S‐FT‐MC
P‐BP‐B
*SL1isPlantcontrol
Sequencecontrol
Sequencecontrol,Boilern Heatingcircuit,Mixin
Sequencecontrol1‐16boilerswithMixingheaderandSystempum
Sequencecontrol1‐16boilers,BoilernwithCTPumpcircui
Extensionmodulewith2xMixingcircuit
S‐FT P‐SC RT‐SC S‐RT‐PC RT‐PC RT‐MC1 RT‐MC2
S‐RT‐SC S‐RT‐MC1 S‐RT‐MC2
S‐OT B1 Bn S‐OT‐PC Bn P‐PC S‐OT‐MC1 V‐MC1 S‐OT‐MC2 V‐MC2
P‐MC1 P‐MC2
S‐FT‐MC1 S‐FT‐MC2
P‐BP‐B P‐B
*SL1isPlantcontrol *OpenthermorSL1
Sequencecontrol Sequencecontrol,BoilernCTPumpCircui
SL1isHeatingCircuitcontrol Heatingcircuit,Mixingcircuit
Heatingcircuit,Mixingcircuit
Sequencecontrol1‐16boilerswithIndirectHotWaterStorageTan
Sequencecontrol1‐16boilers,BoilernwithCTPumpcircuitandIndirectHWScircui
Extensionmodulewith1xMixingcircuitand1xCTPumpedcircui
S‐FT RT‐SC,T‐HWS S‐RT‐PC RT‐PC,T‐HWS RT‐MC S‐RT‐PC RT‐PC
S‐RT‐SC S‐RT‐MC
S‐OT B1 Bn P‐HWSC S‐OT‐PC Bn P‐PC P‐HWSC S‐OT‐MC V‐MC S‐OT‐PC P‐PC
S‐FT‐PC
TS‐HWS TS‐HWS P‐MC
S‐HWS S‐HWS S‐FT‐MC
P‐BP‐B P‐B
*SL1isPlantcontrol *OpenthermorSL1
Sequencecontrol
HotWaterStorage SL2or(SL2andT‐HWS:OpenthermDHWbit) Sequencecontrol,BoilernCTPumpCircui
HotWaterStorage SL1isHeatingCircuitcontrol Heatingcircuit,Mixin
SL2or(SL2andT‐HWS:OpenthermDHWbit)
Sequencecontrol1‐16boilerswithaCTPumpcircui
Sequencecontrol1‐16boilers,Boilernwith2xCTPumpcircui
Extensionmodulewith1xMixingcircuitand1xAirHandlercircui
S‐FT S‐RT‐PC RT‐SC S‐FT S‐RT‐PC1 S‐RT‐PC2 RT‐PCn RT‐MC S‐RT‐HC RT‐HC
S‐RT‐SC S‐RT‐SC S‐RT‐MC
S‐OT B1 Bn P‐PC S‐OT‐PC Bn P‐PC1 P‐PC2 S‐OT‐MC V‐MC S‐OT‐HC P‐HC
S‐FT‐HC
P‐MC
AH‐HC
S‐FT‐MC
P‐BP‐B P‐B
*SL1isPlantcontrol *Opentherm1orSL1,Opentherm2orSL
Sequencecontrol CTPumpCircui
Sequencecontrol,BoilernCTPumpCircuit
SL1isHeatingCircuitcontrol Heatingcircuit,Mixin
HeaterCircuit
SL2isHeatingCircuitcontrol
Sequencecontrol1‐16boilerswithCommonpumpandoptionalvalve
Extensionmodulewith1xMixingcircuitand1xHWScircui
S‐FT RT‐SC RT‐MC,T‐HWS
S‐RT‐SC S‐RT‐MC
S‐OT B1 Bn S‐OT‐MC V‐MC PP‐HWS
SP‐HWS
P‐MC TS‐HWS
S‐FT‐MC S‐ST‐HWS
V‐BV‐B
P‐SC
*SL1isPlantcontrol
Sequencecontrol Heatingcircuit,Mixin
HotWaterStorage
Sequencecontrol1‐16boilers,withlocalDHWdeman
Extensionmodulewith2xAirHandlercircui
V‐DHW S‐FT RT‐SC S‐RT‐HC1 RT‐HC1 S‐RT‐HC2 RT‐HC2
S‐RT‐SC S‐OT‐HC1 P‐HC
S‐OT‐HC2 P‐HC2
S‐OT B1 Bn
S‐FT‐HC1 S‐FT‐HC2
TS‐HWS AH‐HC1 AH‐HC2
S‐HWS
P‐BP‐B
HeaterCircuit HeaterCircuit
*SL1isPlantcontrol
Sequencecontrol
Extensionmodulewith1xCTpumpedcircuitand1xHWScircui
SingleBoilerwithaCTPumpcircuitandDHWtan
S‐RT‐PC RT‐MC,T‐HWS
S‐RT‐PC RT‐PC,T‐HWS
S‐OT‐PC P‐PC PP‐HWS
SP‐HWS
S‐OT P‐PC P‐HWSC
S‐FT‐PC
TS‐HWS
TS‐HWS
S‐ST‐HWS
S‐HWS
CTPumpCircui
HotWaterStorage
*OpenthermorSL1
Boiler CTPumpCircui
HotWaterStorage SL2or(SL2andT‐HWS:OpenthermDHWbit)
Extensionmodulewith1xCTpumpedcircuitand1xHWScircui
SingleBoilerwith2xCTPumpcircuits
S‐RT‐PC1 RT‐PC1 S‐RT‐PC2 RT‐PC2
S‐OT‐HWS PP‐HWS1 PP‐HWS2
SP‐HWS1 SP‐HWS2
S‐OT P‐PC1 P‐PC2
TS‐HWS1 TS‐HWS2
S‐ST‐HWS1 S‐ST‐HWS2
HotWaterStorage HotWaterStorage
*Opentherm1orSL1,Opentherm2orSL
ExtensionmodulewithMixingcontroltoPlateHeatExchangerforDirectHW
SingleBoilerwithCTandHWSZonecircuit
S‐DHW
SP‐HWS DHWout
S‐RT‐PC1 RT‐PC1,TS‐HWS
V‐MC
S‐OT‐HWS
S‐OT
S‐FT‐HWS
V‐CT V‐HWS S‐FT‐MC
TS‐HWS
TS‐HWS
S‐M‐HWS
S‐HWS
S‐B‐HWS
P‐SYS
*OpenthermorSL1 P‐MC
Boiler CTPumpCircui
HotWaterStorage SL2or(SL2andT‐HWS:OpenthermDHWbit)
P‐HWS
CWSin
SingleBoilerwith2xCTZonecircuit
DirectHWS
S‐RT‐CT1 RT‐PC1 S‐RT‐CT2 RT‐PC2
ExtensionmodulewithMixingcontroltoPlateHeatExchangerforDirectHWSwithDHWpum
S‐OT V‐CT1 V‐CT2
S‐DHW
SP‐HWS DHWout
V‐MC
S‐OT‐HWS
S‐FT‐HWS
P‐SYS S‐FT‐MC
TS‐HWS
DHWret
P‐DHW
*Opentherm1orSL1,Opentherm2orSL
S‐M‐HWS
S‐B‐HWS
P‐MC Alternative
DHWret
P‐HWS P‐DHW
CWSin
DirectHWS
ExtensionmodulewithMixingcontroltoPlateHeatExchangerforDirectDHWwithpum
V‐MC
S‐OT‐HWS
S‐FT‐HWS
S‐FT‐MC DHWout
DHWret
P‐DHW
P‐MC CWSin
DirectDHW
ExtensionmodulewithPrimaryBufferMixingcontroltoPlateHeatExchangerforDirectDHWwithpum
V‐MC
S‐OT‐HWS
S‐FT‐HWS
S‐FT‐MC DHWout
DHWret
S‐PB
P‐DHW
P‐MC CWSin
DirectDHWwithPrimaryBuffe
VariCAN
Adapter
B1..Bn..EMn
VariCAN
Adapter
B1..Bn..EMn
DI1
Ext.Timer/
Enableor
Holiday
DI3
Ext.Timer/
Enableor
Holiday
VariCAN
Adapter
B1..Bn..EMn
BnConnections
DI3
Ext.Timer/
Enableor
Holiday
VariCAN
Adapter
B1..Bn..EMn
DI1 Ext.Timer
orEnable
S‐PBS1
Override
orPumpFlt
DI2
S‐ST‐HWS2S4
TS‐HWS1DI1
S‐OT‐HWSS3
S‐ST‐HWS1S1
DI3 TS‐HWS2
DI1
Ext.Timer/
Enableor
Holiday
DI2
Override
orPumpFlt
S4
S‐HWS
DI3 TS‐HWS
DI4
Override
orPumpFlt
VF4 PP‐HWS
S1 S‐RT‐PC VF5 SP‐HWS
S2 S‐FT‐PC
OT1
RT‐PC,
T‐HWS
S3 S‐OT‐PC
DI4
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
BnConnections
Inputs Output
VF1 P‐PC
OT2 RT‐HC2
S4 S‐RT‐HC2
S5 S‐FT‐HC2
S6 S‐OT‐HC2
DI3
Ext.Timer/
Enableor
Holiday
S‐FT‐HC1 VF4 P‐HC2
S3 S‐OT‐HC1 VF5 AH‐HC2
DI1
Ext.Timer/
Enableor
Holiday
DI2
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
DI3 TS‐HWS
BnConnections
Inputs Output
OT1 RT‐HC1 VF1 P‐HC1
S1 S‐RT‐HC1 VF2 AH‐HC1
DI4
Override
orPumpFlt
DI2
Override
orPumpFlt
S4 S‐HWS
Inputs Output
VF1 P‐MC
S1 S‐RT‐MC
VF2 V‐MCopen
S2 S‐FT‐MC
VF3 V‐MCclose
S3 S‐OT‐MC
VF4 PP‐HWS
Ext.Timer/
Enableor
Holiday
VF5
S4 S‐RT‐HC
S5 S‐FT‐HC
S6 S‐OT‐HC
DI3
Ext.Timer/
Enableor
Holiday
S1 S‐RT‐MC VF2 V‐MCopen
S2 S‐FT‐MC VF3 V‐MCclose
S3 S‐OT‐MC VF4 P‐HC
DI1
Ext.Timer/
Enableor
Holiday
VF5 AH‐HC
DI4
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
BnConnections
Inputs
Output
OT1 RT‐MC VF1 P‐MC
OT2 RT‐PC
S4 S‐RT‐PC
S5 S‐FT‐PC
S6 S‐OT‐PC
DI3
Ext.Timer/
Enableor
Holiday
S3 S‐OT‐MC VF4 P‐PC
DI1
Ext.Timer/
Enableor
Holiday
DI2
Override
orPumpFlt
Opentherm2 RT‐PC2
Opentherm2 RT‐PC2
SL1
VariCAN
Adapter
B1..Bn
SL2
orEnable
orOverride
BnConnections
DI1
Ext.Timer/
Enableor
Holiday
P1(0‐10V)
V‐CT1
BoilerConnections
Inputs Output
Opentherm1 RT‐PC1 Boilerrun
Room S‐RT‐PC1
Room S‐RT‐CT2
orP2
SL1
RT‐CT1
P1(0‐10V)
V‐CT1
SL2
RT‐CT2
orP2
P3 V‐CT2
Tank S‐RT‐CT2 orP2
SL1
RT‐CT1
P3 V‐HWS
SL2
TS‐HWS orP2
BoilerConnections
Inputs Output
Opentherm RT‐PC1 Boilerrun
Room S‐RT‐PC1 Boilerfault
Outside S‐OT P1(0‐10V)
P‐SYS
Boilerfault
Outside S‐OT
P1(0‐10V)
P‐SYS
Room S‐RT‐PC2
BoilerConnections
Inputs Output
Opentherm1 RT‐PC1 Boilerrun
Room S‐RT‐PC1
Boilerfault
Outside S‐OT
P1(0‐10V)
P‐PC1
orP2
SL1
RT‐PC1
P3 P‐PC2
SL2
RT‐PC2
P‐HWSC
SL2
Outside S‐OT P1(0‐10V)
P‐PC
Tank S ‐HWS orP2
SL1
RT‐PC
TS‐HWS
P3
BnConnections
Inputs Output
S2 S‐FT‐MC VF2 V‐MCopen
S2 S‐FT‐MC VF3 V‐MCclose
S6 S‐FT‐DHW
S7 SP‐HWS
VF5 P‐DHW
P‐MCVF1
DI2
Override
orPumpFlt
DI2
Override
orPumpFlt
Inputs Output
S2 S‐FT‐MC VF1 P‐MC
S2 S‐FT‐MC VF2 V‐MCopen
S6 S‐FT‐DHW VF3 V‐MCclose
S7 SP‐HWS VF5
VariCAN
Adapter
B1..Bn..EMn
P‐DHW
S6 S‐FT‐DHW
S7 SP‐HWS
DI1 TS‐HWS
DI2
Override
orPumpFlt
S3 S‐FT‐HWS VF3 V‐MCclose
S5 S‐B‐HWS VF4 P‐HWS
S6 S‐FT‐DHW VF5 P‐DHW
Inputs Output
S1 S‐M‐HWS VF1 P‐MC
S2 S‐FT‐MC VF2 V‐MCopen
BnConnections
Inputs Output
S1 S‐M‐HWS VF1 P‐MC
S2 S‐FT‐MC VF2 V‐MCopen
DI1 TS‐HWS
VF3 V‐MCclose
VF4 P‐HWS
DI2
Override
orPumpFlt
S7 SP‐HWS
S3 S‐FT‐HWS
S5 S‐B‐HWS
BnConnections
B1..Bn..EMn
VariCAN
Adapter
Override
orPumpFlt
DI4
VF4 PP‐HWS2
VF5 SP‐HWS2
BnConnections
Inputs Output
VF1 PP‐HWS1
VF2 SP‐HWS1
VariCAN
Adapter
B1..Bn..EMn
Header S‐FT
Outside S‐OT
P3 V‐DHW
S2
SL2
SL1
DI1
BoilerConnections
Inputs Output
Opentherm RT‐PC Boilerrun
Room S‐RT‐SC Boilerfault
SP‐HWS
DI4
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
BnConnections
OT1
RT‐MC,
T‐HWS
DI2
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
DI2
Override
orPumpFlt
OT2 RT‐HC
OT1 RT‐MC1
S1 S‐RT‐MC1
VariCAN
Adapter
B1..Bn..EMn
Override
orPumpFlt
DI4
S6 S‐OT‐MC2
BnConnections
Inputs Output
OT1 RT‐MC VF1 P‐MC
S1 S‐RT‐MC VF2 V‐MCopen
S2 S‐FT‐MC VF3 V‐MCclose
VF6 V‐MC2close
OT2 RT‐MC2
Override
orPumpFlt
DI2
DI1
Ext.Timer/
Enableor
Holiday
S‐RT‐MC2S4
DI3
Ext.Timer/
Enableor
Holiday
S5 S‐FT‐MC2
S2 S‐FT‐MC1 VF3 V‐MC1close
S3 S‐OT‐MC1 VF4 P‐MC2
VF5 V‐MC2open
BnConnections
Inputs Output
VF1 P‐MC1
VF2 V‐MC1open
V‐MCclose
S3 S‐OT‐MC1
BnConnections
Inputs Output
VF1 P‐MC
VF2 V‐MCopen
OT1 RT‐MC
VF3
S1 S‐RT‐MC
S2 S‐FT‐MC
Tank S ‐HWS
P1(0‐10V)
P‐B
orP2
B1..Bn
B1Connections
Inputs Output
Ext.Timer
orEnable
orOverride
TS‐HWS
VariCAN
Adapter
Opentherm RT‐SC Boilerrun
Room S‐RT‐SC Boilerfault
orP2
orEnable
orEnable
Boilerfault
Header S‐FT
P1(0‐10V)
BnConnections
Inputs Output
Boilerrun
Boilerfault
P1(0‐10V)
P‐B
orP2
Header
B1Connections
Inputs Output
VariCAN
Adapter
B1..Bn
RT‐SC Boilerrun
Room S‐RT‐SC Boilerfault
S‐FT P1(0‐10V)
SL1
Ext.Timer P1(0‐10V)
Outside S‐OT orP3
SL1
Ext.Timer P2 B‐V
orEnable
orOverride
VariCAN
Adapter
B1..Bn
P‐SC
Header S‐FT P1(0‐10V)
orP2
orOverride
VariCAN
Adapter
Outside S‐OT
P‐B
orOverride
Outside S‐OT
Ext.Timer
orEnable
orP2
B1Connections
Inputs
Opentherm
RT‐SC
Room S‐RT‐SC
Header S‐FT
Output
Boilerrun
Boilerfault
P1(0‐10V)
SL1
Room S‐RT‐SC Boilerfault
B1Connections
Inputs Output
Opentherm RT‐SC Boilerrun
P‐SC
B1..Bn
orEnable
B1Connections
Inputs Output
Opentherm RT‐SC Boilerrun
Room S‐RT‐SC
orOverride
P‐HWSC
VariCAN
Adapter
B1..Bn
Outside S‐OT
orP2
SL1
Ext.Timer
Tank S ‐HWS
Outside S‐OT
Opentherm RT‐SC Boilerrun
Room S‐RT‐SC
VariCAN
Adapter
B1..Bn
P‐PC
orP2
orOverride
Tank S‐RT‐PC P1(0‐10V)
SL1
Ext.Timer orP2
Header S‐FT
P3
B1Connections
Inputs Output
SL2 TS‐HWS
Boilerfault
VariCAN
Adapter
B1..Bn
BnConnections
Inputs Output
VariCAN
Adapter
B1..Bn
Boilerrun
Boilerfault
P‐B
orP2
P1(0‐10V)
orP2
Ext.Time
orEnable
Opentherm RT‐PC
Room S‐RT‐PC
P‐PC
orOverride
P1(0‐10V)
Inputs Output
Opentherm RT‐PC Boilerrun
Room S‐RT‐PC Boilerfault
VariCAN
Adapter
B1..Bn
P1(0‐10V)
P‐B
orP2
orEnable P1(0‐10V)
P‐PC
orOverride orP2
SL2 TS‐HWS P3 P‐HWSC
Tank S ‐HWS
Ext.Time
SL1
BnConnections
Inputs Output
Opentherm RT‐PC Boilerrun
P‐PC1
orOverride orP2
Ext.Timer P3 P‐PC2
Room S‐RT‐PC1 Boilerfault
Room S‐RT‐PC2 P1(0‐10V)
P‐B
SL1
Ext.Time
orP2
orEnable P1(0‐10V)
A.KM821‐I5,SystemManagerandTTL‐VariCANadapteronl
Boiler1,Masterconfigurationoption
Boilern,Slaveconfigurationoption
ExtensionModuleconfigurationoption
Sequencecontrol1‐16boilers Sequencecontrol1‐16boilers,Boilern Extensionmodulewith1xMixingcircui
S‐FT RT‐SC RT‐MC
S‐RT‐SC S‐RT‐MC
S‐OT B1 Bn Bn S‐OT‐MC V‐MC
P‐MC
S‐FT‐MC
P‐BP‐B P‐B
*SL1isPlantcontrol *OT1orRT‐MC
Sequencecontrol Sequencecontrol,Boilern Heatingcircuit,Mixin
Sequencecontrol1‐16boilerswithMixingheaderandSystempum
Sequencecontrol1‐16boilers,BoilernwithCTPumpcircui
Extensionmodulewith2xMixingcircuit
S‐FT P‐SC RT‐SC
S‐RT‐PC RT‐PC RT‐MC1 RT‐MC2
S‐RT‐SC
S‐OT B1 Bn
S‐OT‐PC Bn P‐PC S‐OT‐MC1 V‐MC1 S‐OT‐MC2 V‐MC2
P‐MC1 P‐MC2
S‐FT‐MC1 S‐FT‐MC2
P‐BP‐B
*SL1isPlantcontrol
Sequencecontrol
Sequencecontrol,BoilernCTPumpCircui
SL1isHeatingCircuitcontrol Heatingcircuit,Mixingcircuit
Heatingcircuit,Mixingcircuit
Sequencecontrol1‐16boilerswithIndirectHotWaterStorageTan
Sequencecontrol1‐16boilers,BoilernwithCTPumpcircuitandIndirectHWScircui
Extensionmodulewith1xMixingcircuitand1xCTPumpedcircui
S‐FT RT‐SC,T‐HWS S‐RT‐PC RT‐PC,T‐HWS RT‐MC S‐RT‐PC RT‐PC
S‐RT‐SC S‐RT‐MC
S‐OT B1 Bn P‐HWSC S‐OT‐PC Bn P‐PC P‐HWSC S‐OT‐MC V‐MC S‐OT‐PC P‐PC
S‐FT‐PC
TS‐HWS TS‐HWS P‐MC
S‐HWS S‐HWS S‐FT‐MC
P‐BP‐B P‐B
*SL1isPlantcontrol *OpenthermorSL1
Sequencecontrol
HotWaterStorage SL2or(SL2andT‐HWS:OpenthermDHWbit) Sequencecontrol,BoilernCTPumpCircui
HotWaterStorage SL1isHeatingCircuitcontrol Heatingcircuit,Mixin
SL2or(SL2andT‐HWS:OpenthermDHWbit)
Sequencecontrol1‐16boilerswithaCTPumpcircui
Sequencecontrol1‐16boilers,Boilernwith2xCTPumpcircui
Extensionmodulewith1xMixingcircuitand1xAirHandlercircui
S‐FT S‐RT‐PC RT‐SC S‐FT S‐RT‐PC1 S‐RT‐PC2 RT‐PCn RT‐MC S‐RT‐HC RT‐HC
S‐RT‐SC S‐RT‐SC S‐RT‐MC
S‐OT B1 Bn P‐PC S‐OT‐PC Bn P‐PC1 P‐PC2 S‐OT‐MC V‐MC S‐OT‐HC P‐HC
S‐FT‐HC
P‐MC
AH‐HC
S‐FT‐MC
P‐BP‐B P‐B
*SL1isPlantcontrol *Opentherm1orSL1,Opentherm2orSL
Sequencecontrol CTPumpCircui
Sequencecontrol,BoilernCTPumpCircuit
SL1isHeatingCircuitcontrol Heatingcircuit,Mixin
HeaterCircuit
SL2isHeatingCircuitcontrol
Sequencecontrol1‐16boilerswithCommonpumpandoptionalvalve
Extensionmodulewith1xMixingcircuitand1xHWScircui
S‐FT RT‐SC RT‐MC,T‐HWS
S‐RT‐SC S‐RT‐MC
S‐OT B1 Bn S‐OT‐MC V‐MC PP‐HWS
SP‐HWS
P‐MC TS‐HWS
S‐FT‐MC S‐ST‐HWS
V‐BV‐B
P‐SC
*SL1isPlantcontrol
Sequencecontrol Heatingcircuit,Mixin
HotWaterStorage
Sequencecontrol1‐16boilers,withlocalDHWdeman
Extensionmodulewith2xAirHandlercircui
V‐DHW S‐FT RT‐SC S‐RT‐HC1 RT‐HC1 S‐RT‐HC2 RT‐HC2
S‐RT‐SC S‐OT‐HC1 P‐HC
S‐OT‐HC2 P‐HC2
S‐OT B1 Bn
S‐FT‐HC1 S‐FT‐HC2
TS‐HWS AH‐HC1 AH‐HC2
S‐HWS
P‐BP‐B
HeaterCircuit HeaterCircuit
*SL1isPlantcontrol
Sequencecontrol
Extensionmodulewith1xCTpumpedcircuitand1xHWScircui
SingleBoilerwithaCTPumpcircuitandDHWtan
S‐RT‐PC RT‐MC,T‐HWS
S‐RT‐PC RT‐PC,T‐HWS
S‐OT‐PC P‐PC PP‐HWS
SP‐HWS
S‐OT P‐PC P‐HWSC
S‐FT‐PC
TS‐HWS
TS‐HWS
S‐ST‐HWS
S‐HWS
CTPumpCircui
HotWaterStorage
*OpenthermorSL1
Boiler CTPumpCircui
HotWaterStorage SL2or(SL2andT‐HWS:OpenthermDHWbit)
Extensionmodulewith1xCTpumpedcircuitand1xHWScircui
SingleBoilerwith2xCTPumpcircuits
S‐RT‐PC1 RT‐PC1 S‐RT‐PC2 RT‐PC2
S‐OT‐HWS PP‐HWS1 PP‐HWS2
SP‐HWS1 SP‐HWS2
S‐OT P‐PC1 P‐PC2
TS‐HWS1 TS‐HWS2
S‐ST‐HWS1 S‐ST‐HWS2
HotWaterStorage HotWaterStorage
*Opentherm1orSL1,Opentherm2orSL
ExtensionmodulewithMixingcontroltoPlateHeatExchangerforDirectHW
SingleBoilerwithCTandHWSZonecircuit
S‐DHW
SP‐HWS DHWout
S‐RT‐PC1 RT‐PC1,TS‐HWS
V‐MC
S‐OT‐HWS
S‐OT
S‐FT‐HWS
V‐CT V‐HWS S‐FT‐MC
TS‐HWS
TS‐HWS
S‐M‐HWS
S‐HWS
S‐B‐HWS
P‐SYS
*OpenthermorSL1 P‐MC
Boiler CTPumpCircui
HotWaterStorage SL2or(SL2andT‐HWS:OpenthermDHWbit)
P‐HWS
CWSin
SingleBoilerwith2xCTZonecircuit
DirectHWS
S‐RT‐CT1 RT‐PC1 S‐RT‐CT2 RT‐PC2
ExtensionmodulewithMixingcontroltoPlateHeatExchangerforDirectHWSwithDHWpum
S‐OT V‐CT1 V‐CT2
S‐DHW
SP‐HWS DHWout
V‐MC
S‐OT‐HWS
S‐FT‐HWS
P‐SYS S‐FT‐MC
TS‐HWS
DHWret
P‐DHW
*Opentherm1orSL1,Opentherm2orSL
S‐M‐HWS
S‐B‐HWS
P‐MC Alternative
DHWret
P‐HWS P‐DHW
CWSin
DirectHWS
ExtensionmodulewithMixingcontroltoPlateHeatExchangerforDirectDHWwithpum
V‐MC
S‐OT‐HWS
S‐FT‐HWS
S‐FT‐MC DHWout
DHWret
P‐DHW
P‐MC CWSin
DirectDHW
ExtensionmodulewithPrimaryBufferMixingcontroltoPlateHeatExchangerforDirectDHWwithpum
V‐MC
S‐OT‐HWS
S‐FT‐HWS
S‐FT‐MC DHWout
DHWret
S‐PB
P‐DHW
P‐MC CWSin
DirectDHWwithPrimaryBuffe
VariCAN
Adapter
B1..Bn..EMn
VariCAN
Adapter
B1..Bn..EMn
DI1
Ext.Timer/
Enableor
Holiday
DI3
Ext.Timer/
Enableor
Holiday
VariCAN
Adapter
B1..Bn..EMn
BnConnections
DI3
Ext.Timer/
Enableor
Holiday
VariCAN
Adapter
B1..Bn..EMn
DI1 Ext.Timer
orEnable
S‐PBS1
Override
orPumpFlt
DI2
S‐ST‐HWS2S4
TS‐HWS1DI1
S‐OT‐HWSS3
S‐ST‐HWS1S1
DI3 TS‐HWS2
DI1
Ext.Timer/
Enableor
Holiday
DI2
Override
orPumpFlt
S4
S‐HWS
DI3 TS‐HWS
DI4
Override
orPumpFlt
VF4 PP‐HWS
S1 S‐RT‐PC VF5 SP‐HWS
S2 S‐FT‐PC
OT1
RT‐PC,
T‐HWS
S3 S‐OT‐PC
DI4
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
BnConnections
Inputs Output
VF1 P‐PC
OT2 RT‐HC2
S4 S‐RT‐HC2
S5 S‐FT‐HC2
S6 S‐OT‐HC2
DI3
Ext.Timer/
Enableor
Holiday
S‐FT‐HC1 VF4 P‐HC2
S3 S‐OT‐HC1 VF5 AH‐HC2
DI1
Ext.Timer/
Enableor
Holiday
DI2
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
DI3 TS‐HWS
BnConnections
Inputs Output
OT1 RT‐HC1 VF1 P‐HC1
S1 S‐RT‐HC1 VF2 AH‐HC1
DI4
Override
orPumpFlt
DI2
Override
orPumpFlt
S4 S‐HWS
Inputs Output
VF1 P‐MC
S1 S‐RT‐MC
VF2 V‐MCopen
S2 S‐FT‐MC
VF3 V‐MCclose
S3 S‐OT‐MC
VF4 PP‐HWS
Ext.Timer/
Enableor
Holiday
VF5
S4 S‐RT‐HC
S5 S‐FT‐HC
S6 S‐OT‐HC
DI3
Ext.Timer/
Enableor
Holiday
S1 S‐RT‐MC VF2 V‐MCopen
S2 S‐FT‐MC VF3 V‐MCclose
S3 S‐OT‐MC VF4 P‐HC
DI1
Ext.Timer/
Enableor
Holiday
VF5 AH‐HC
DI4
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
BnConnections
Inputs
Output
OT1 RT‐MC VF1 P‐MC
OT2 RT‐PC
S4 S‐RT‐PC
S5 S‐FT‐PC
S6 S‐OT‐PC
DI3
Ext.Timer/
Enableor
Holiday
S3 S‐OT‐MC VF4 P‐PC
DI1
Ext.Timer/
Enableor
Holiday
DI2
Override
orPumpFlt
Opentherm2 RT‐PC2
Opentherm2 RT‐PC2
SL1
VariCAN
Adapter
B1..Bn
SL2
orEnable
orOverride
BnConnections
DI1
Ext.Timer/
Enableor
Holiday
P1(0‐10V)
V‐CT1
BoilerConnections
Inputs Output
Opentherm1 RT‐PC1 Boilerrun
Room S‐RT‐PC1
Room S‐RT‐CT2
orP2
SL1
RT‐CT1
P1(0‐10V)
V‐CT1
SL2
RT‐CT2
orP2
P3 V‐CT2
Tank S‐RT‐CT2 orP2
SL1
RT‐CT1
P3 V‐HWS
SL2
TS‐HWS orP2
BoilerConnections
Inputs Output
Opentherm RT‐PC1 Boilerrun
Room S‐RT‐PC1 Boilerfault
Outside S‐OT P1(0‐10V)
P‐SYS
Boilerfault
Outside S‐OT
P1(0‐10V)
P‐SYS
Room S‐RT‐PC2
BoilerConnections
Inputs Output
Opentherm1 RT‐PC1 Boilerrun
Room S‐RT‐PC1
Boilerfault
Outside S‐OT
P1(0‐10V)
P‐PC1
orP2
SL1
RT‐PC1
P3 P‐PC2
SL2
RT‐PC2
P‐HWSC
SL2
Outside S‐OT P1(0‐10V)
P‐PC
Tank S ‐HWS orP2
SL1
RT‐PC
TS‐HWS
P3
BnConnections
Inputs Output
S2 S‐FT‐MC VF2 V‐MCopen
S2 S‐FT‐MC VF3 V‐MCclose
S6 S‐FT‐DHW
S7 SP‐HWS
VF5 P‐DHW
P‐MCVF1
DI2
Override
orPumpFlt
DI2
Override
orPumpFlt
Inputs Output
S2 S‐FT‐MC VF1 P‐MC
S2 S‐FT‐MC VF2 V‐MCopen
S6 S‐FT‐DHW VF3 V‐MCclose
S7 SP‐HWS VF5
VariCAN
Adapter
B1..Bn..EMn
P‐DHW
S6 S‐FT‐DHW
S7 SP‐HWS
DI1 TS‐HWS
DI2
Override
orPumpFlt
S3 S‐FT‐HWS VF3 V‐MCclose
S5 S‐B‐HWS VF4 P‐HWS
S6 S‐FT‐DHW VF5 P‐DHW
Inputs Output
S1 S‐M‐HWS VF1 P‐MC
S2 S‐FT‐MC VF2 V‐MCopen
BnConnections
Inputs Output
S1 S‐M‐HWS VF1 P‐MC
S2 S‐FT‐MC VF2 V‐MCopen
DI1 TS‐HWS
VF3 V‐MCclose
VF4 P‐HWS
DI2
Override
orPumpFlt
S7 SP‐HWS
S3 S‐FT‐HWS
S5 S‐B‐HWS
BnConnections
B1..Bn..EMn
VariCAN
Adapter
Override
orPumpFlt
DI4
VF4 PP‐HWS2
VF5 SP‐HWS2
BnConnections
Inputs Output
VF1 PP‐HWS1
VF2 SP‐HWS1
VariCAN
Adapter
B1..Bn..EMn
Header S‐FT
Outside S‐OT
P3 V‐DHW
S2
SL2
SL1
DI1
BoilerConnections
Inputs Output
Opentherm RT‐PC Boilerrun
Room S‐RT‐SC Boilerfault
SP‐HWS
DI4
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
BnConnections
OT1
RT‐MC,
T‐HWS
DI2
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
DI2
Override
orPumpFlt
OT2 RT‐HC
OT1 RT‐MC1
S1 S‐RT‐MC1
VariCAN
Adapter
B1..Bn..EMn
Override
orPumpFlt
DI4
S6 S‐OT‐MC2
BnConnections
Inputs Output
OT1 RT‐MC VF1 P‐MC
S1 S‐RT‐MC VF2 V‐MCopen
S2 S‐FT‐MC VF3 V‐MCclose
VF6 V‐MC2close
OT2 RT‐MC2
Override
orPumpFlt
DI2
DI1
Ext.Timer/
Enableor
Holiday
S‐RT‐MC2S4
DI3
Ext.Timer/
Enableor
Holiday
S5 S‐FT‐MC2
S2 S‐FT‐MC1 VF3 V‐MC1close
S3 S‐OT‐MC1 VF4 P‐MC2
VF5 V‐MC2open
BnConnections
Inputs Output
VF1 P‐MC1
VF2 V‐MC1open
V‐MCclose
S3 S‐OT‐MC1
BnConnections
Inputs Output
VF1 P‐MC
VF2 V‐MCopen
OT1 RT‐MC
VF3
S1 S‐RT‐MC
S2 S‐FT‐MC
Tank S ‐HWS
P1(0‐10V)
P‐B
orP2
B1..Bn
B1Connections
Inputs Output
Ext.Timer
orEnable
orOverride
TS‐HWS
VariCAN
Adapter
Opentherm RT‐SC Boilerrun
Room S‐RT‐SC Boilerfault
orP2
orEnable
orEnable
Boilerfault
Header S‐FT
P1(0‐10V)
BnConnections
Inputs Output
Boilerrun
Boilerfault
P1(0‐10V)
P‐B
orP2
Header
B1Connections
Inputs Output
Opentherm
VariCAN
Adapter
B1..Bn
RT‐SC Boilerrun
Room S‐RT‐SC Boilerfault
S‐FT P1(0‐10V)
SL1
Ext.Timer P1(0‐10V)
Outside S‐OT orP3
SL1
Ext.Timer P2 B‐V
orEnable
orOverride
VariCAN
Adapter
B1..Bn
P‐SC
Header S‐FT P1(0‐10V)
orP2
orOverride
VariCAN
Adapter
Outside S‐OT
P‐B
P1(0‐10V)
P‐B
P‐B
orOverride
Outside S‐OT
Ext.Timer
orEnable
orP2
B1Connections
Inputs
Opentherm
RT‐SC
Room S‐RT‐SC
Header S‐FT
Output
Boilerrun
Boilerfault
P1(0‐10V)
SL1
Room S‐RT‐SC Boilerfault
B1Connections
Inputs Output
Opentherm RT‐SC Boilerrun
P‐SC
B1..Bn
orEnable
B1Connections
Inputs Output
Opentherm RT‐SC Boilerrun
Room S‐RT‐SC
orOverride
P‐HWSC
VariCAN
Adapter
B1..Bn
Outside S‐OT
orP2
SL1
Ext.Timer
Tank S ‐HWS
Outside S‐OT
Opentherm RT‐SC Boilerrun
Room S‐RT‐SC
VariCAN
Adapter
B1..Bn
P‐PC
orP2
orOverride
Tank S‐RT‐PC P1(0‐10V)
SL1
Ext.Timer orP2
Header S‐FT
P3
B1Connections
Inputs Output
SL2 TS‐HWS
Boilerfault
VariCAN
Adapter
B1..Bn
BnConnections
Inputs Output
VariCAN
Adapter
B1..Bn
Boilerrun
Boilerfault
P‐B
orP2
P1(0‐10V)
orP2
Ext.Time
orEnable
Opentherm RT‐PC
Room S‐RT‐PC
P‐PC
orOverride
P1(0‐10V)
Inputs Output
Opentherm RT‐PC Boilerrun
Room S‐RT‐PC Boilerfault
VariCAN
Adapter
B1..Bn
P1(0‐10V)
P‐B
orP2
orEnable P1(0‐10V)
P‐PC
orOverride orP2
SL2 TS‐HWS P3 P‐HWSC
Tank S ‐HWS
Ext.Time
SL1
BnConnections
Inputs Output
Opentherm RT‐PC Boilerrun
P‐PC1
orOverride orP2
Ext.Timer P3 P‐PC2
Room S‐RT‐PC1 Boilerfault
Room S‐RT‐PC2 P1(0‐10V)
P‐B
SL1
Ext.Time
orP2
orEnable P1(0‐10V)
A.KM821‐I5,SystemManagerandTTL‐VariCANadapteronl
Boiler1,Masterconfigurationoption
Boilern,Slaveconfigurationoption
ExtensionModuleconfigurationoption
Sequencecontrol1‐16boilers Sequencecontrol1‐16boilers,Boilern Extensionmodulewith1xMixingcircui
S‐FT RT‐SC RT‐MC
S‐RT‐SC S‐RT‐MC
S‐OT B1 Bn Bn S‐OT‐MC V‐MC
P‐MC
S‐FT‐MC
P‐BP‐B P‐B
*SL1isPlantcontrol *OT1orRT‐MC
Sequencecontrol Sequencecontrol,Boilern Heatingcircuit,Mixin
Sequencecontrol1‐16boilerswithMixingheaderandSystempum
Sequencecontrol1‐16boilers,BoilernwithCTPumpcircui
Extensionmodulewith2xMixingcircuit
S‐FT P‐SC RT‐SC S‐RT‐PC RT‐PC RT‐MC1 RT‐MC2
S‐RT‐SC S‐RT‐MC1 S‐RT‐MC2
S‐OT B1 Bn S‐OT‐PC Bn P‐PC S‐OT‐MC1 V‐MC1 S‐OT‐MC2 V‐MC2
P‐MC1 P‐MC2
S‐FT‐MC1 S‐FT‐MC2
P‐BP‐B P‐B
*SL1isPlantcontrol *OpenthermorSL1
Sequencecontrol Sequencecontrol,BoilernCTPumpCircui
SL1isHeatingCircuitcontrol Heatingcircuit,Mixingcircuit
Heatingcircuit,Mixingcircuit
Sequencecontrol1‐16boilerswithIndirectHotWaterStorageTan
Sequencecontrol1‐16boilers,BoilernwithCTPumpcircuitandIndirectHWScircui
Extensionmodulewith1xMixingcircuitand1xCTPumpedcircui
S‐FT RT‐SC,T‐HWS
S‐RT‐PC RT‐PC,T‐HWS RT‐MC S‐RT‐PC RT‐PC
S‐RT‐SC
S‐OT B1 Bn P‐HWSC
S‐OT‐PC Bn P‐PC P‐HWSC S‐OT‐MC V‐MC S‐OT‐PC P‐PC
S‐FT‐PC
TS‐HWS
S‐HWS
P‐BP‐B
*SL1isPlantcontrol
Sequencecontrol
HotWaterStorage SL2or(SL2andT‐HWS:OpenthermDHWbit)
Sequencecontrol,BoilernCTPumpCircui
HotWaterStorage SL1isHeatingCircuitcontrol Heatingcircuit,Mixin
SL2or(SL2andT‐HWS:OpenthermDHWbit)
Sequencecontrol1‐16boilerswithaCTPumpcircui
Sequencecontrol1‐16boilers,Boilernwith2xCTPumpcircui
Extensionmodulewith1xMixingcircuitand1xAirHandlercircui
S‐FT S‐RT‐PC RT‐SC S‐FT S‐RT‐PC1 S‐RT‐PC2 RT‐PCn RT‐MC S‐RT‐HC RT‐HC
S‐RT‐SC S‐RT‐SC S‐RT‐MC
S‐OT B1 Bn P‐PC S‐OT‐PC Bn P‐PC1 P‐PC2 S‐OT‐MC V‐MC S‐OT‐HC P‐HC
S‐FT‐HC
P‐MC
AH‐HC
S‐FT‐MC
P‐BP‐B P‐B
*SL1isPlantcontrol *Opentherm1orSL1,Opentherm2orSL
Sequencecontrol CTPumpCircui
Sequencecontrol,BoilernCTPumpCircuit
SL1isHeatingCircuitcontrol Heatingcircuit,Mixin
HeaterCircuit
SL2isHeatingCircuitcontrol
Sequencecontrol1‐16boilerswithCommonpumpandoptionalvalve
Extensionmodulewith1xMixingcircuitand1xHWScircui
S‐FT RT‐SC RT‐MC,T‐HWS
S‐RT‐SC S‐RT‐MC
S‐OT B1 Bn S‐OT‐MC V‐MC PP‐HWS
SP‐HWS
P‐MC TS‐HWS
S‐FT‐MC S‐ST‐HWS
V‐BV‐B
P‐SC
*SL1isPlantcontrol
Sequencecontrol Heatingcircuit,Mixin
HotWaterStorage
Sequencecontrol1‐16boilers,withlocalDHWdeman
Extensionmodulewith2xAirHandlercircui
V‐DHW S‐FT RT‐SC S‐RT‐HC1 RT‐HC1 S‐RT‐HC2 RT‐HC2
S‐RT‐SC S‐OT‐HC1 P‐HC
S‐OT‐HC2 P‐HC2
S‐OT B1 Bn
S‐FT‐HC1 S‐FT‐HC2
TS‐HWS AH‐HC1 AH‐HC2
S‐HWS
P‐BP‐B
HeaterCircuit HeaterCircuit
*SL1isPlantcontrol
Sequencecontrol
Extensionmodulewith1xCTpumpedcircuitand1xHWScircui
SingleBoilerwithaCTPumpcircuitandDHWtan
S‐RT‐PC RT‐MC,T‐HWS
S‐RT‐PC RT‐PC,T‐HWS
S‐OT‐PC P‐PC PP‐HWS
SP‐HWS
S‐OT P‐PC P‐HWSC
S‐FT‐PC
TS‐HWS
TS‐HWS
S‐ST‐HWS
S‐HWS
CTPumpCircui
HotWaterStorage
*OpenthermorSL1
Boiler CTPumpCircui
HotWaterStorage SL2or(SL2andT‐HWS:OpenthermDHWbit)
Extensionmodulewith1xCTpumpedcircuitand1xHWScircui
SingleBoilerwith2xCTPumpcircuits
S‐RT‐PC1 RT‐PC1 S‐RT‐PC2 RT‐PC2
S‐OT‐HWS PP‐HWS1 PP‐HWS2
SP‐HWS1 SP‐HWS2
S‐OT P‐PC1 P‐PC2
TS‐HWS1 TS‐HWS2
S‐ST‐HWS1 S‐ST‐HWS2
HotWaterStorage HotWaterStorage
*Opentherm1orSL1,Opentherm2orSL
ExtensionmodulewithMixingcontroltoPlateHeatExchangerforDirectHW
SingleBoilerwithCTandHWSZonecircuit
S‐DHW
SP‐HWS DHWout
S‐RT‐PC1 RT‐PC1,TS‐HWS
V‐MC
S‐OT‐HWS
S‐OT
S‐FT‐HWS
V‐CT V‐HWS S‐FT‐MC
TS‐HWS
TS‐HWS
S‐M‐HWS
S‐HWS
S‐B‐HWS
P‐SYS
*OpenthermorSL1 P‐MC
Boiler CTPumpCircui
HotWaterStorage SL2or(SL2andT‐HWS:OpenthermDHWbit)
P‐HWS
CWSin
SingleBoilerwith2xCTZonecircuit
DirectHWS
S‐RT‐CT1 RT‐PC1 S‐RT‐CT2 RT‐PC2
ExtensionmodulewithMixingcontroltoPlateHeatExchangerforDirectHWSwithDHWpum
S‐OT V‐CT1 V‐CT2
S‐DHW
SP‐HWS DHWout
V‐MC
S‐OT‐HWS
S‐FT‐HWS
P‐SYS S‐FT‐MC
TS‐HWS
DHWret
P‐DHW
*Opentherm1orSL1,Opentherm2orSL
S‐M‐HWS
S‐B‐HWS
P‐MC Alternative
DHWret
P‐HWS P‐DHW
CWSin
DirectHWS
ExtensionmodulewithMixingcontroltoPlateHeatExchangerforDirectDHWwithpum
V‐MC
S‐OT‐HWS
S‐FT‐HWS
S‐FT‐MC DHWout
DHWret
P‐DHW
P‐MC CWSin
DirectDHW
ExtensionmodulewithPrimaryBufferMixingcontroltoPlateHeatExchangerforDirectDHWwithpum
V‐MC
S‐OT‐HWS
S‐FT‐HWS
S‐FT‐MC DHWout
DHWret
S‐PB
P‐DHW
P‐MC CWSin
DirectDHWwithPrimaryBuffe
VariCAN
Adapter
B1..Bn..EMn
VariCAN
Adapter
B1..Bn..EMn
DI1
Ext.Timer/
Enableor
Holiday
DI3
Ext.Timer/
Enableor
Holiday
VariCAN
Adapter
B1..Bn..EMn
BnConnections
DI3
Ext.Timer/
Enableor
Holiday
VariCAN
Adapter
B1..Bn..EMn
DI1 Ext.Timer
orEnable
S‐PBS1
Override
orPumpFlt
DI2
S‐ST‐HWS2S4
TS‐HWS1DI1
S‐OT‐HWSS3
S‐ST‐HWS1S1
DI3 TS‐HWS2
DI1
Ext.Timer/
Enableor
Holiday
DI2
Override
orPumpFlt
S4
S‐HWS
DI3 TS‐HWS
DI4
Override
orPumpFlt
VF4 PP‐HWS
S1 S‐RT‐PC VF5 SP‐HWS
S2 S‐FT‐PC
OT1
RT‐PC,
T‐HWS
S3 S‐OT‐PC
DI4
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
BnConnections
Inputs Output
VF1 P‐PC
OT2 RT‐HC2
S4 S‐RT‐HC2
S5 S‐FT‐HC2
S6 S‐OT‐HC2
DI3
Ext.Timer/
Enableor
Holiday
S‐FT‐HC1 VF4 P‐HC2
S3 S‐OT‐HC1 VF5 AH‐HC2
DI1
Ext.Timer/
Enableor
Holiday
DI2
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
DI3 TS‐HWS
BnConnections
Inputs Output
OT1 RT‐HC1 VF1 P‐HC1
S1 S‐RT‐HC1 VF2 AH‐HC1
DI4
Override
orPumpFlt
DI2
Override
orPumpFlt
S4 S‐HWS
Inputs Output
VF1 P‐MC
S1 S‐RT‐MC
VF2 V‐MCopen
S2 S‐FT‐MC
VF3 V‐MCclose
S3 S‐OT‐MC
VF4 PP‐HWS
Ext.Timer/
Enableor
Holiday
VF5
S4 S‐RT‐HC
S5 S‐FT‐HC
S6 S‐OT‐HC
DI3
Ext.Timer/
Enableor
Holiday
S1 S‐RT‐MC VF2 V‐MCopen
S2 S‐FT‐MC VF3 V‐MCclose
S3 S‐OT‐MC VF4 P‐HC
DI1
Ext.Timer/
Enableor
Holiday
VF5 AH‐HC
DI4
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
BnConnections
Inputs
Output
OT1 RT‐MC VF1 P‐MC
OT2 RT‐PC
S4 S‐RT‐PC
S5 S‐FT‐PC
S6 S‐OT‐PC
DI3
Ext.Timer/
Enableor
Holiday
S3 S‐OT‐MC VF4 P‐PC
DI1
Ext.Timer/
Enableor
Holiday
DI2
Override
orPumpFlt
Opentherm2 RT‐PC2
Opentherm2 RT‐PC2
SL1
VariCAN
Adapter
B1..Bn
SL2
orEnable
orOverride
BnConnections
DI1
Ext.Timer/
Enableor
Holiday
P1(0‐10V)
V‐CT1
BoilerConnections
Inputs Output
Opentherm1 RT‐PC1 Boilerrun
Room S‐RT‐PC1
Room S‐RT‐CT2
orP2
SL1
RT‐CT1
P1(0‐10V)
V‐CT1
SL2
RT‐CT2
orP2
P3 V‐CT2
Tank S‐RT‐CT2 orP2
SL1
RT‐CT1
P3 V‐HWS
SL2
TS‐HWS orP2
BoilerConnections
Inputs Output
Opentherm RT‐PC1 Boilerrun
Room S‐RT‐PC1 Boilerfault
Outside S‐OT P1(0‐10V)
P‐SYS
Boilerfault
Outside S‐OT
P1(0‐10V)
P‐SYS
Room S‐RT‐PC2
BoilerConnections
Inputs Output
Opentherm1 RT‐PC1 Boilerrun
Room S‐RT‐PC1
Boilerfault
Outside S‐OT
P1(0‐10V)
P‐PC1
orP2
SL1
RT‐PC1
P3 P‐PC2
SL2
RT‐PC2
P‐HWSC
SL2
Outside S‐OT P1(0‐10V)
P‐PC
Tank S‐HWS orP2
SL1
RT‐PC
TS‐HWS
P3
BnConnections
Inputs Output
S2 S‐FT‐MC VF2 V‐MCopen
S2 S‐FT‐MC VF3 V‐MCclose
S6 S‐FT ‐DHW
S7 SP‐HWS
VF5 P‐DHW
P‐MCVF1
DI2
Override
orPumpFlt
DI2
Override
orPumpFlt
Inputs Output
S2 S‐FT‐MC VF1 P‐MC
S2 S‐FT‐MC VF2 V‐MCopen
S6 S‐FT ‐DHW VF3 V‐MCclose
S7 SP‐HWS VF5
VariCAN
Adapter
B1..Bn..EMn
P‐DHW
S6 S‐FT ‐DHW
S7 SP‐HWS
DI1 TS‐HWS
DI2
Override
orPumpFlt
S3 S‐FT‐HWS VF3 V‐MCclose
S5 S‐B‐HWS VF4 P‐HWS
S6 S‐FT ‐DHW VF5 P‐DHW
Inputs Output
S1 S‐M‐HWS VF1 P‐MC
S2 S‐FT‐MC VF2 V‐MCopen
BnConnections
Inputs Output
S1 S‐M‐HWS VF1 P‐MC
S2 S‐FT‐MC VF2 V‐MCopen
DI1 TS‐HWS
VF3 V‐MCclose
VF4 P‐HWS
DI2
Override
orPumpFlt
S7 SP‐HWS
S3 S‐FT‐HWS
S5 S‐B‐HWS
BnConnections
B1..Bn..EMn
VariCAN
Adapter
Override
orPumpFlt
DI4
VF4 PP‐HWS2
VF5 SP‐HWS2
BnConnections
Inputs Output
VF1 PP‐HWS1
VF2 SP‐HWS1
VariCAN
Adapter
B1..Bn..EMn
Header S‐FT
Outside S‐OT
P3 V‐DHW
S2
SL2
SL1
DI1
BoilerConnections
Inputs Output
Opentherm RT‐PC Boilerrun
Room S‐RT‐SC Boilerfault
SP‐HWS
DI4
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
BnConnections
OT1
RT‐MC,
T‐HWS
DI2
Override
orPumpFlt
VariCAN
Adapter
B1..Bn..EMn
DI2
Override
orPumpFlt
OT2 RT‐HC
OT1 RT‐MC1
S1 S‐RT‐MC1
VariCAN
Adapter
B1..Bn..EMn
Override
orPumpFlt
DI4
S6 S‐OT‐MC2
BnConnections
Inputs Output
OT1 RT‐MC VF1 P‐MC
S1 S‐RT‐MC VF2 V‐MCopen
S2 S‐FT‐MC VF3 V‐MCclose
VF6 V‐MC2close
OT2 RT‐MC2
Override
orPumpFlt
DI2
DI1
Ext.Timer/
Enableor
Holiday
S‐RT‐MC2S4
DI3
Ext.Timer/
Enableor
Holiday
S5 S‐FT‐MC2
S2 S‐FT‐MC1 VF3 V‐MC1close
S3 S‐OT‐MC1 VF4 P‐MC2
VF5 V‐MC2open
BnConnections
Inputs Output
VF1 P‐MC1
VF2 V‐MC1open
V‐MCclose
S3 S‐OT‐MC1
BnConnections
Inputs Output
VF1 P‐MC
VF2 V‐MCopen
OT1 RT‐MC
VF3
S1 S‐RT‐MC
S2 S‐FT‐MC
Tank S‐HWS
P1(0‐10V)
P‐B
orP2
B1..Bn
B1Connections
Inputs Output
Ext.Timer
orEnable
orOverride
TS‐HWS
VariCAN
Adapter
Opentherm RT‐SC Boiler run
Room S‐RT‐SC Boilerfault
orP2
orEnable
orEnable
Boilerfault
Header S‐FT
P1(0‐10V)
BnConnections
Inputs Output
Boilerrun
Boilerfault
P1(0‐10V)
P‐B
orP2
Header
B1Connections
Inputs Output
Opentherm
VariCAN
Adapter
B1..Bn
RT‐SC Boilerrun
Room S‐RT‐SC Boilerfault
S‐FT P1(0‐10V)
SL1
Ext.Timer P1(0‐10V)
Outside S‐OT orP3
SL1
Ext.Timer P2 B‐V
orEnable
orOverride
VariCAN
Adapter
B1..Bn
P‐SC
Header S‐FT P1(0‐10V)
orP2
orOverride
VariCAN
Adapter
Outside S‐OT
P‐B
P‐B
P1(0‐10V)
P‐B
P‐B
orOverride
Outside S‐OT
Ext.Timer
orEnable
orP2
B1Connections
Inputs
Opentherm
RT‐SC
Room S‐RT‐SC
Header S‐FT
Output
Boilerrun
Boilerfault
P1(0‐10V)
SL1
Room S‐RT‐SC Boilerfault
B1Connections
Inputs Output
Opentherm RT‐SC Boiler run
P‐SC
B1..Bn
orEnable
B1Connections
Inputs Output
Opentherm RT‐SC Boiler run
Room S‐RT‐SC
orOverride
P‐HWSC
VariCAN
Adapter
B1..Bn
Outside S‐OT
SL1
Ext.Timer
Tank S‐HWS
Outside S‐OT
Opentherm RT‐SC Boiler run
Room S‐RT‐SC
VariCAN
Adapter
B1..Bn
P‐PC
orP2
orOverride
Tank S‐RT‐PC P1(0‐10V)
SL1
Ext.Timer orP2
Header S‐FT
P3
B1Connections
Inputs Output
SL2 TS‐HWS
Boilerfault
VariCAN
Adapter
B1..Bn
BnConnections
Inputs Output
VariCAN
Adapter
B1..Bn
Boilerrun
Boilerfault
P‐B
orP2
P1(0‐10V)
orP2
Ext.Time
orEnable
Opentherm RT‐PC
Room S‐RT‐PC
P‐PC
orOverride
P1(0‐10V)
Inputs Output
Opentherm RT‐PC Boilerrun
Room S‐RT‐PC Boilerfault
VariCAN
Adapter
B1..Bn
P1(0‐10V)
P‐B
orP2
orEnable P1(0‐10V)
P‐PC
orOverride orP2
SL2 TS‐HWS P3 P‐HWSC
Tank S‐HWS
Ext.Time
SL1
BnConnections
Inputs Output
Opentherm RT‐PC Boilerrun
P‐PC1
orOverride orP2
Ext.Timer P3 P‐PC2
Room S‐RT‐PC1 Boilerfault
Room S‐RT‐PC2 P1(0‐10V)
P‐B
SL1
Ext.Time
orP2
orEnable P1(0‐10V)
Figure 5 SeQueNCe CONTrOL 1-16 BOiLerS
Figure 6 SeQueNCe CONTrOL 1-16 BOiLerS WiTH MiXiNg HeADer AND SYSTeM PuMP
Figure 7 SeQueNCe CONTrOL 1-16 BOiLerS WiTH iNDireCT HOT WATer STOrAge TANK
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