Service manual

Section IV: On-line Processor
Functional Analysis 2-7
• X1, X2, X3 and X7 input to trigger the circuit of the triac channels and coils
of power relays and 12V supply. See below.
• X1:
-l 12V DC connected to the LCB pcb X200 -212/22
-2 from X200-10 input to K11 (circ. pumps)
-3 from X200-11 input to K10 (Aqua stop sol)
-4 from X200-1 input to K9 (fix, repl. pump)
-5 from X200-2 input to K8 (dev, repl. pump)
-6 from X200-3 input to K7 (dryer, fan, basic heat)
-7 (not used)
-8 from X200-5 input to Q3 (1500W fix. heater)
-9 (not used)
-10 from X200-7 input to Q1 (1500W dev. heater)
-11 from X200-8 input to K12 (prim. 24V trafo LMB02)
-12 input to Q6 via X7-2 (dryer heat 2)
-13 from X200-18 Gound-Optocoupler pcb diode
• X2:
-1/2 Front and top lids safety switches (front safety switch exists only
on the latest OLP version)
-2 Optocoupler pcb diode+ (to X501-12/25)
• X3: Input 10V AC, output 12V DC
-1/2 input 10V AC from trafo.
-3/4 output 12V DC to P34 condensation fan
-5/6 output 12V DC to P34 electronics fan
• X7:
-2 connected to X1-12 input to Q6
connected to X200-12 input to Q4