INSTALLATION INSTRUCTIONS
63
6.11 Diagnostics
■
Error codes:
■
Function codes :
Code
Function
Description
07
Flue test function active
(Chimney-Sweeper)
“High Fire” Test
Pressing the
“service” button for 7 seconds
activates the Flue test function. Pressing the
water heater off button deactivates the
function.
The Flue test function operates the water
heater at the maximum heating pressure for
15 minutes without any modulation. The
function is useful for combustion testing.
08
Frost Protection
Central heating circuit
The function is activated when the heating
sensor senses a temperature of 41 °F. The
water heater operates at minimum gas
pressure with the 3-way diverter valve in the
winter position. The function is deactivated
when the temperature detected by the sensor
reaches 86°F.
09
Frost Protection
D.H.W. circuit
The function is activated when the sensor
senses a temperature of 40°F. The water
heater operates at minimum gas pressure. The
3-way diverter valve closes in the summer
position and heats the D.H.W. circuit. The
function is deactivated when the D.H.W.
sensor detects a temperature of 46°F.
31
Incompatible Remote Control
Function active when the remote control
connected is not compatible with the printed
circuit board.
Summary of Contents for PCI 18
Page 8: ...GENERAL INFORMATION 5 ...
Page 9: ...GENERALInformation 6 ING ...
Page 10: ...GENERALInformation 7 ...
Page 11: ...GENERALInformation 8 ...
Page 25: ...INSTALLATION INSTRUCTIONS 22 3 6 Piping Diagram ...
Page 33: ...INSTALLATION INSTRUCTIONS 29 Venting Pictures Illustrations ...
Page 63: ...INSTALLATION INSTRUCTIONS 59 6 8 Wiring diagrams ...