Function Codes - PENSOTTI PNCC-32N Instruction Manual

6.9 Function codes

Code Function
Flue test function
enabled (Chimney-
F07
Sweeper)
Frost Protection
function
F08
(Central heating
circuit)
Frost Protection
function
F09
(D.H.W circuit)
Legionella
Prevention
F28
Function
MAINTENANCE INSTRUCTIONS
Pressing ' ' button for 7 seconds the Flue test function is enabled. Pressing
the boiler Off button the function is disabled.
The Flue test function operates the boiler at the maximum heating pressure
for 15 minutes without any modulation. The function is useful for combustion
testing.
The function is automatically enabled when the heating sensor detects a
temperature of 41°F. The boiler operates at minimum gas pressure with the
diverter valve in the winter position. The function is disabled when the
temperature detected by the sensor reaches 86°F.
The function is automatically enabled when the D.H.W sensor detects a
temperature of 39°F. The boiler operates at minimum gas pressure with the
diverter valve in the 'summer' position. The function is disabled when the
temperature detected by the sensor is 46°F.
Function active for storage boilers only. It comes into operation every 7 days.
It brings the hot water temperature of the storage cylinder up to 140°F
regardless of the DHW temperature setting.
Description
72