14
Operation
Hydraulic Diagram L-E / GL-E
Burner EK 6 - EK 9
120
Air damper
175
Filter
176
Pump
178
Feed solenoid valve
180
Nozzle rod
181
Return solenoid valve
184
Output control valve
187a Pressure regulating valve
(integrated in pump)
311
Return oil pressure switch
312
Feed oil pressure switch
349
Actuator
In case of TRD 604/72 hr control
items (pos. 311, 312) need to be
tested according to „special construc-
tion design“ or must be installed twice.
312
RL
181
175
187 a
VL
176
311
178
178
M
M
120
184
349
349
180
181
Hydraulic diagram -DIN / EN
RL
175
187 a
VL
176
311
312
178
178
181
180
181
M
184
120
M 349
349
Hydraulic diagram -TRD 604/72 h