Ideal Heating EVOMAX 2 - Page 29

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Select Loc’n of shunt pump?
MFR2 ()
MFR3 ()
MFR4 ()
Select Loc’n of shunt pump?
MFR3 ()
MFR4 ()
TheMasterboilerinacascadecanindicateif
asystemfaultconditionexists,soanyboiler
fault,MasterorSlave.Thiscanthenbeused
to indicate to plant monitoring equipment
if any fault exists in the complete system.
If this is required then select the output of
the Master boiler that controls this signal.
Otherwiseselect‘None’.
System fault indication
None
PWM/0-10V ()
MFR1 (HC1 pump)
Thefollowingoutputscanbeconguredfor
thisfunction:
System fault indication
None
PWM/0-10V ()
MFR1 (HC1 pump)
MFR2 (DHW pump)
System fault indication
PWM/0-10V ()
MFR1 (HC1 pump)
MFR2 (DHW pump)
MFR3 (Boiler on indicator)
System fault indication
MFR1 (HC1 pump)
MFR2 (DHW pump)
MFR3 (Boiler on indicator)
MFR4 (Boiler Fault Indicator)
System fault indication
MFR2 (DHW pump)
MFR3 (Boiler on indicator)
MFR4 (Boiler Fault Indicator)
System fault indication
MFR3 (Boiler on indicator)
MFR4 (Boiler Fault Indicator)
The plant may be controlled in a number
ofways:
1. 0-10V analogue input
2.230V50Hzswitchedliveinputviaa‘Volts
Free’contact
3.OpenThermMastercontroller
0-10V analogue input control
If the Plant cascade control is via a BMS
witha0-10Vsignalthenthiscanbeselected
andcongurednext.Thefollowingoptions
areavailable:
Congure 0-10V input
None
0-10V Capacity
0-10V Temperature
Congure 0-10V input
None
0-10V Capacity
0-10V Temperature
Congure 0-10V input
0-10V Capacity
0-10V Temperature
If 0-10V Temperature control is selected,
then the parameters for the Minimum and
Maximumowtemperatureinrelationtothe
voltagedemandrangevaluescanbe set.
0-10V input Temp. Setp. 0V:
Temp. setp. 0V
8
º
C
Done
Temp. setp. 0V
8
º
C
Done
0-10V input Temp. Setp. 10V:
Temp. setp. 10V
80
º
C
Done
Temp. setp. 10V
80
º
C
Done
Once 0-10V control is selected a number
ofparametersmustbedened.Thedefault
settingsareasshownbelowbutthesecan
be hanged if required. To configure the
parametersselect‘Yes’,toacceptthecurrent
defaultsettingsselect‘No’.
Congure 0-10V parameters
No
Yes
Once‘Yes’isselectedtheparameterscanbe
setusingthefollowingscreens.
Voltagedemand.Thissettingdeterminesthe
switchingpointatwhichdemandisexpected
bythesystem,anythingbelowthisisatkeep
alivevoltage:
Congure voltage demand
1.0V
Done
Voltage life zero.  This setting determines
theminimumkeepalivevoltagewherethe
systemexpectsavoltagetobepresenton
anoperationalinterface,anythingbelowthis
indicatesawiringfault:
Congure voltage life zero
0.0V
Done
Once this level is set, ‘Done’ may be
selected.
The next plant control signal that may be
congurediswhereaSwitchedLivesignal
isusedtogenerateademandtoenablethe
cascade.
SL1 230V demand
Congure SL1
None
Enable
Ifthissignalistobeconguredthenselect
Enable,otherwiseselect‘None’.Thiswillthen
promptforaCascadeowtemperatureset
point,whichwillbethetargettemperaturefor
thecascadeunderdirectSL1control.
Plant Setp. SL1
85ºC
Done
Oncethislevelisset,‘Done’maybeselected.