Lennox eNeRGy Series Installation, Operating And Maintenance page 55

GAS BURNER
Interface panel
Status:
rdy the unit is waiting for the ON control and/or the heat demand from the room thermostat (ready
GAS BURNER
- no flame)
ON burner flame or ignition
OFF unit off by a command from the display panel, any heat demands will be ignored
Fxx 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
eNeRGy-IOM-2020.11-EN
Modulation and ON/OFF
H51=1(factory set)
Voff = H52 = 0,5V (factory set)
Von = H52 + H53 = Voff + H53 = 0,5+0,5 = 1V
PCH1 PCH2
H52 0,5 1,5
H53 0,5 1,5
V 1,0V 3V
on
V 0,5V 1,5V
off
PCH1 PCH2
H52 0,5 1,5
H53 0,5 1,5
V 1,0V 3V
on
V 0,5V 1,5V
off
• •
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