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Parameter Settings for MCBA Controls
No. Description Lower Limit Upper Limit Installed
MCBA
Parameter
Settings
MACH
1050 PK
Factory
Setting
for MCBA
MACH
300 PK
Factory
Setting
for MCBA
MACH
450 PK
Factory
Setting
for MCBA
MACH
750 PK
Factory
Setting
for MCBA
MACH
900 PK
Factory
Setting
for MCBA
27 DHW detection hysteresis Off
-36 F 54 F 5 5 55555555
28 Restart delay CH x 10.2 seconds
0 seconds 30 x 10.2 seconds 3 3 33333333
29 Restart delay DHW x 10.2 seconds
0 seconds 30 x 10.2 seconds 3 3 33333333
30 Restart delay DHW to CH
0 = switch with burner On 3 3 33333333
1 x 10.2 seconds 30 x 10.2 seconds
31 Difference T1-T2 for modulating back
9 F 72 F 46464646464646464646
32 RMCI address
-1 = RMCI Of
f
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1
33 Setvalue addition for DHW, Parameter 1
0 F (194- par 1) F or 54 F 30 30 30 30 30 30 30 30 30 30
34 CH Heat Request Type
00 00 00 00 00 00 00 00 00 00
(1st digit) 2nd CH-circuit 0X = 2nd CH-circuit of
f
X
X
X
X
X
X
X
X
X
X
1X = 2nd CH-circuit slave
2X = 2nd CH-circuit maste
r
3X = 2nd CH slave, Tset depends on potmete
r
4X = 2nd CH master, Tset depends on potmeter
5X = 2nd CH- circuit slave,during DHW
6X = 2nd CH- circuit master, during DHW
7X = 2nd CH slave, during DHW,Tset depends on potmeter
8X = 2nd CH master, during DHW,Tset depends on potmeter
(2nd digit) CH Heat Request Type X0 = Room Thermostat
X
X
X
X
X
X
X
X
X
X
X1 = Outside Temperature
X2 = 0 - 10 V on MCBA: Capacit
y
X3 = 0 - 10 V on MCBA: Temperature
X4 = 0 - 10 V on AM4: Capacit
y
X5 = 0 - 10 V on AM4: Temperature
X6 = +/- Control
35 DHW
13 13 13 13 13 13 13 13 13 13
Type (2nd digit) X0 = Instant water heater with NTC
3
X1 = Instant water heater without NTC
3
X2 = Storage tank with NTC3
X3 = Storage tank without NTC3
X
X
X
X
X
X
X
X
X
X
X4 = Instant water heater+NTC3+anticondensation
X5 = Instant water heater +anticondensation
X6 = Storage tank+NTC3+anticondensation
X7 = Storage tank+anticondensation
X8 = Plate heat exchange
r
X9 = External heat request (by RMCI
)
DHW: 3 Way Valve or Pump (1st digit) 0X = 3 way valve normally ope
n
1X = Hot water pump
X
X
X
X
X
X
X
X
X
X