CH NTC High Temperature
Error During DHW
F16
If CH Flow NTC is higher than 90°C during DHW operation, burner is
stopped and F16 error is given. When CH Flow NTC is below 80°C error
is cleared and normal operation is restarted.
When DHW flow is closed during this error, error is cleared.
12.
OPERATION MODES
OFF MODE
The boiler enters OFF mode when P3 is adjusted to OFF position. Pump is off, if pump overrun time
is elapsed, otherwise it is on. Fan is off, if fan overrun time is elapsed, otherwise it is on. DHW and
CH modes are inactive. LCD display is blank. Antifreeze and antiblocking functions are active.
AIR PURGE FUNCTION
Air purge function helps for the pump secure operation by reducing the air bubbles.
This function is activated:
On power-on: If the device is not in OFF position and if there is not DHW demand this fuction
is activated. If DHW heat demand is available on power-on, firstly DHW demand is supplied,
air purge is started after DHW is closed. If the device is in OFF position on power-on, air purge
is started after taking P3 to WINTER or SUMMER position.
After manual resetting of F1(Safety Thermostat Open) lockout
After CH water pressure is built up to the normal level after F7(Low Water Pressure) and
F15(High Water Pressure) errors.
DHW heating has more priority than air purge function. If a DHW demand is received during air
purge, air purge is stopped, DHW demand is supplied, after DHW demand air purge is restarted.
Air purge function can be stopped by taking P3 to OFF position.
Air purge function runs for 240 sec (3WV in CH position for the first 90 seconds, then 3WV in DHW
position for 60 seconds, then again in CH position for 90 seconds). During air purge, pump is ON
for 10 seconds and pump is OFF for 5 seconds continuously.
Display shows AP during this function.
P2
P3
P1
Summary of Contents for GP11
Page 1: ...GP 11 13 16 20 24 kW HM HERMETIC MONOTERMIC COMBI BOILER SERVICE MANUAL...
Page 7: ...8 SERVICE PARAMETER LIST...
Page 8: ...9 OPERATION PARAMETERS...
Page 22: ......