301
Thermo 230 / 231 / 300 / 301 / 350
3 Functional Description
3
Functional Description
Activation and deactivation is by means of a
•
switch
•
timer
•
air conditioning
dependent on the type of installation.
For monitoring operation at least an operating indicator
light is provided.
Switch off releases a run-down procedure (see "Switch
off").
The heaters may be
•
operated with power save for reduced fuel
consumption (see circuit diagram)
•
equipped or retrofitted with a nozzle block preheater
for extreme low temperatures.
Heaters with control unit 1572D only
When connecting te61 the heaters may operate in
the auxiliary heating mode of operation.
Switching thresholds
Control device
Ident. No. 63482E
Ident. No. 97806B
Bus
Ident. No. 97810B
Rail
Standard
Ident. No. 63859D
Rail
J.E.S
Auxiliary heating
Upper operating point
85°C
85°C
85°C
Lower operating point
78°C
70°C
75°C
Parking heating
Upper operating point
85°C
80°C
85°C
Lower operating point
70°C
45°C
70°C
Parking heating (economic
setting)
Upper operating point
70°C
20°C
70°C
Lower operating point
55°C
75°C
55°C
Gradient evaluation
Yes
Yes
Yes
Hysteresis adaption
Yes
Yes
Yes
Summary of Contents for spheros thermo 230
Page 70: ...memos...
