MACH® Series
Gas-Fired Boiler
Appendix
Page 51
No. Description
Lower Limit
Upper Limit
MACH
300 PK
Factory
Setting
for
MCBA
14C1028
NG LPG
MACH
450 PK
Factory
Setting
for
MCBA
14C1036
NG LPG
Installed
MCBA
Parameter
Settings
26 DHW detection hysteresis On
-9 F
54 F
5
5
5
5
27 DHW detection hysteresis Off
-36 F
54 F
5
5
5
5
28 Restart delay CH (*10.2 seconds)
0 seconds
30 (*10.2 seconds)
3
3
3
3
29 Restart delay DHW (*10.2 seconds)
0 seconds
30 (*10.2 seconds)
3
3
3
3
30 Restart delay DHW to CH
0 = switch with burner On
3
3
3
3
1 (*10.2 seconds)
30 (*10.2 seconds)
31 Difference T1-T2 for modulating back
9 F
72 F
46 46 46 46
32 RMCI address
-1 = RMCI Off
-1
-1
-1
-1
33 Setvalue addition for DHW, Parameter 1
0 F
(194- par 1) F or 54 F
30 30 30 30
34 CH Heat Request Type
00 00 00 00
(1st digit) 2nd CH-circuit
0X = 2nd CH-circuit off
X
X
X
X
1X = 2nd CH-circuit slave
2X = 2nd CH-circuit master
3X = 2nd CH slave, Tset depends on potmeter
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
X1 = Outside
Temperature
X2 = 0 - 10 V on MCBA: Capacity
X3 = 0 - 10 V on MCBA: Temperature
X4 = 0 - 10 V on AM4: Capacity
X5 = 0 - 10 V on AM4: Temperature
X6 = +/- Control
35 DHW
13 13 13 13
Type (2nd digit)
X0 = Instant water heater with NTC3
X1 = Instant water heater without NTC3
X2 = Storage tank with
NTC3
X3 = Storage tank without NTC3
X
X
X
X
X4 = Instant water NTC3+anticondensation
X5 = Instant water anticondensation
X6 = Storage tank+NTC3+anticondensation
X7 = Storage tank+anticondensation
X8 = Plate heat
