Bosch HP270-2 - Service Mode Parameters (HP270-3); Parameter Descriptions and Symbols

Page 26 from 56 6-720-821-364 SM HP270 – 250 - 200 2016/12 en
Service mode
parameter
Description
Active symbol on
the display
Unit
0d
Set point temperature of hot water on control
unit
ºC
1d
Temperature of Hot Water (T
top
)
(NTC in the top of the tank)
ºC
2d
Temperature of discharge water (T
dis
)
(NTC after condenser in module)
ºC
3d
Temperature of air in circulation (T
air
)
(NTC between air admission and evaporator)
ºC
4d
Temperature of the evaporator (T
fins
)
(NTC in the fins)
ºC
5d
Temperature in the inlet for coil of the tank
(NTC in coil – external systems)
+
ºC
6d
Temperature in the middle of the tank
(NTC in pocket – external systems)
+
ºC
7d
Current Consumption
(Instantaneous electrical consumption)
A
8d
Number of air defrost procedures
9d
Number of gas defrost procedures
10d
Pump speed
Hz
11d
Fan speed
Hz
12d
Pump Voltage
V
13d
Components Operation (visual info only)
Note: day of the week corresponds to a
component
1 – Pump
2 – Fan (speed 1)
3 – Fan (speed 2)
4 – Compressor
5 – E-Heater
6 – Solenoid valve
7 – No function
1F until 10F
Last 10 failures with error code indication
Attention: (If no error is memorized, display
shows “-- --“)
+
EE
cleaning of the historical memory of the last
10 failures
AL
test display (all segments ON)
Table 12 – Service Mode Parameters HP270-3