Rancilio EGRO 5511, Technical Manual

Page: 32 / 70

EGRO 5511 Manual
5.2 Function HEATER TEST
Function: Switch on heaters manually
Selection: +/-
Start/Stop:
↓
Status: 0 = Heater off
1 = Heater on
Display: Current temperature in °C
C E1 0 000C
Component
Status
Temperature in °C
Danger!
The heater must be switched off manually. There is no automatic
off switch!
Danger of overheating!
Display Component Jack on control card LED
(red)
C E1 0 000C Coffee boiler heater J5/1-2 (+24V=) SSR 7
S E2 0 OK
S E2 0 N OK
Steam boiler heater (OK =
Temp. reached, pressure
switch open)
Pressure is too low
J5/3-4 (+24V=) SSR 8
The measuring range of the temperature display is 0°C to 118°C.
Higher temperatures are displayed as 199°C.
5.2.1 Electrical Resistance of the NTC Temperature Sensors
Temperature °C
Resistance k
Ω
Temperature °C
Resistance k
Ω
0°C
32.6 k
Ω
80°C
1.2 k
Ω
25°C
10 k
Ω
100°C
0.7 k
Ω
50°C
3.6 k
Ω
120°C
0.39 k
Ω
Page 31