Interface
p
anel
Status:
rdy the unit is waiting for the ON control and/or the heat demand from the room thermostat (ready
- no flame)
ON burner flame or ignition
OFF
unit off by a command from the display panel, any heat demands will be ignored
F
xx Fault detected.
Air The EST function in the FUN menu was selected by mistake.
Axx Address of the PCH unit when ≠ Ø (alternating with the operation in progress)
CPU or … flashing: communication problems CPU-SMART/LCD panel
Menus:
3 levels
↑ and ↓ to scroll the menus, ENTER to select,
ESC back to the “unit status" after about 10 minutes
change in the parameter (press ENTER for at least 3’’) signaled by a flash of the display
First level menus
Unit status
• FUN to select the function ON, OFF or EST
• REG to force the burner to min or max
• I/O to read values measured by the sensors
• TIN to read the value of the 0/10Vdc signal
• Pra not used;
• ABI to enter the psw to access 2nd and 3rd level
Second level menus
Set to read and set parameters for the 0/10V
Modulation and ON/OFF
H51=1(factory set)
Voff = H52 = 0,5V (factory set)
Von = H52 + H53 = Voff + H53 = 0,5+0,5 = 1V
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