APEN GROUP SPA reserves the right to contribute the necessary modifications to the documentation or documentation
38
cod. HG0130.05GB ed.B-2104
PCH
39
cod. HG0130.05GB ed.B-2104
PCH
PCH cold storage generator module
4.8. Interface panel
PCH
The PCH heater is fitted as standard with a multifunction
LCD panel located inside the burner housing, and is used to
control, configure and diagnose all operating parameters of
the equipment.
The instrument panel is fitted with a red 3-digit LCD display and
with four function keys:
↑
,
↓
, ESC and ENTER; the display allows
the user to display the heater operating mode and its Faults.
It also allows the service centre to change the main operating
parameters.
Changing parameters requires a password.
The machine status is shown on the display by the following
wordings:
rdy
the machine is on without burner flame, it is waiting
for the ON control and/or the heat demand from the thermostat
On
the machine is on with burner flame on;
OFF
the machine has been switched off through the LCD
control; any heat demands will be ignored. To switch the PCH
heater on, the LCD display must show "operation ON";
Fxx
Fault detected.
During normal operation, the display will show the wording
On
if the burner is on;
rdy
when the boiler is being switched off or
the room temperature has been reached.
If the address is different from 0, the writing
Axx
will appear,
alternated with
On
and
rdy
.
In the event of communication problems between CPU-SMART
PCB and LCD panel, the word
CPU
will flash on the display if
the problem is caused by the CPU; three flashing dots will be
displayed if the problem is caused by the display PCB. If needs
be, check that the display and the PCB are correctly connected
and that the small cable RJ11 is securely held in the connector.
The parameters and faults are reported in the manual provided
in a paper copy for each PCH:
• HG0131.00IT "PCH condensing warm air heater module
maintenance and service manual"
.
