Bosch SSB255 - Page 37

SSB 6720818454 (2016/02) US
Commissioning (for single boiler application) | 37
Below is a list of parameters:
Number Description Unit Default Min Max Step
3 CH Setpoint °C / °F 176 °F 68 °F 194 °F 0.9 °F
19 Design Supply Temp °C / °F 176 °F 68 °F 194 °F 1.8 °F
21 Baseline Supply Temp °C / °F 104 °F 68 °F 194 °F 1.8 °F
48 DHW/Tank Setpoint °C / °F 120.2 °F 104 °F 140 °F 0.9 °F
64 Preheat Mode - Comfort Eco Comfort -
72 Permit emergency mode - Yes No Yes -
Tab. 14 Level 1 parameters
Number Description Unit Default Min Max Step
1 Central Heating (CH) Mode - 1 0 5 1
2 Pump Mode - 0 0 4 1
4 System Pump Overrun Seconds 300 0 900 10
5 Boiler Pump Overrun Seconds 300 0 900 10
7 CH Hysteresis °C / °F 5.4 °F 0 36 °F 0.9° F
9 Anti Cycle Period Seconds 180 10 900 10
10 Anti Cycle Temp Diff °C / °F 12.6 °F 0°F 36 °F 0.9° F
11 Ramp Delay Step Mod. On / Off Disabled
14 Max Power CH % 100 50 100 1
15 Min Power CH/DHW % 1 1 30 1
20 Design Outdoor Temp °C / °F 24.8 °F -13 °F 77 °F 1.8 °F
22 Baseline Outdoor Temp °C / °F 69.8 °F 35.6 °F 86 °F 1.8 °F
23 Design Supply Min Limit °C / °F 68 °F 39.2 °F 179.6 °F 1.8 °F
24 Design Supply Max Limit °C / °F 194 °F 80.6 °F 194 °F 1.8 °F
25 Warm Weather Shutdn °C / °F 69.8 °F 35.6 °F 95 °F 1.8 °F
26 Boost Temp Increment °C / °F 0 °F 0 °F 54 °F 0.9 °F
27 Boost Time Delay Minutes 20 1 120 1
28 Night Setback Temp. °C / °F 18 °F 0 °F 90 °F 0.9 °F
29 Weather Setpoint °C / °F 68 °F 32 °F 122 °F 0.9 °F
35 DHW Mode - 0 0 2 1
36 DHW Tank Hyst. Down °C / °F 7.2 °F 0 °F 36 °F 0.9 °F
37 DHW Tank Hyt. Up °C / °F 0 °F 0 °F 36 °F 1.8 °F
38 DHW Tank Supply Extra °C / °F 54 °F 0 °F 54 °F 0.9 °F
42 DHW Priority - 0 0 2 1
43 DHW Max Priority Time Minutes 30 1 255 1
44 DHW Pump Overrun Seconds 15 0 255 1
73 Boiler Address - 0 0 16 1
74 Emergency Setpoint °C / °F 113 °F 68 °F 149 °F 0.9 °F
75 Delay Per Start Next Dep. Seconds 15 5 300 5
76 Delay Per Stop Next Dep. Seconds 15 5 300 5
77 Hyst Down Start Boiler °C / °F 9 °F 0 °F 36 °F 0.9 °F
78 Hyst Up Stop Boiler °C / °F 3.6 °F 0 °F 36 °F 0.9 °F
79 Max Setp Offset Down °C / °F 7.2 °F 0 °F 36 °F 0.9 °F
80 Max Setp Offset Up °C / °F 18 °F 0 °F 36 °F 0.9 °F
81 Start Mod Delay Fact Minutes 5 0 60 1
82 Next Boiler Start Rate % 80 10 100 1
83 Next Boiler Stop Rate % 30 10 100 1
84 Boiler Rotation Interval Days 1 0 30 1
85 DHW Boiler Assign - 0 0 16 1
89 Frost Protection Off / On Disabled Disabled Enabled -
90 Frost Protection Setpoint °C / °F 50 °F 33.8 °F 68 °F 0.9 °F
91 DHW Max Limit °C / °F 140 °F 104 °F 158 °F 0.9 °F
92 Fan Speed Maximum RPM * * * 60
Tab. 15 Level 2 parameters