Control Operations Guide Bosch Buderus SSB255 | SSB399 | SSB512 Boilers | 5
Bosch Thermotechnology Corp. | 03.2018
Data subject to change
2 Boiler Settings Menu
Function Parameter Description
General Operation
1 Central Heating (CH) Mode
2 Pump Mode
3 CH Setpoint
4 System Pump Overrun
5 Boiler Pump Overrun
7 Central Heating Hysteresis (Diff erential)
9 Anti Cycle Period
10 Anti Cycle Temperature Diff erential
11 Ramp Delay Step Modulation
14 Maximum Power Central Heating
15 Minimum Power Central Heating / DHW
Outdoor Reset Curve
19 Design Supply Temperature
20 Design Outdoor Temperature
21 Baseline Supply Temperature
22 Baseline Outdoor Temperature
23 Design Supply Minimum Limit
24 Design Supply Maximum Limit
25 Warm Weather Shutdown
26 Boost Temperature Increment
27 Boost Time Delay
28 Night Setback Temperature
29 Weather Setpoint
Domestic Hot Water
35 Domestic Hot Water Mode
36 Domestic Hot Water Tank Diff erential DOWN
37 Domestic Hot Water Tank Diff erential UP
38 Domestic Hot Water Tank Supply Extra
42 Domestic Hot Water Priority
43 Domestic Hot Water Priority Time
44 Domestic Hot Water Pump Overrun
48 Domestic Hot Water Tank Setpoint
Cascade Operation
72 Permit Emergency Mode
73 Boiler Address
74 Emergency Setpoint
75 Delay Period Start Next Boiler
76 Delay Period Stop Next Boiler
77 Diff erential DOWN Start Boiler
78 Diff erential UP Stop Boiler
79 Maximum Setpoint Off set DOWN
80 Maximum Setpoint Off set UP
81 Start Modulation Delay Factor
82 Next Boiler START Rate
83 Next Boiler STOP Rate
84 Boiler Rotation Intervale
85 Domestic Hot Water Boiler Assign
Start-up & Commisioning
89 Frost Protection
90 Frost Protection Setpoint
91 Domestic Hot Water Maximum Limit
92 Fan Speed Maximum
93 Fan Speed Minimum
94 Fan Speed Ignition
97 Appliance Model
98 Gas Type
99 Flue Length Range
Table 1
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