Hamworthy F40V - Figure 8.3.12 Operating Phases

HAMWORTHY HEATING LTD
35
FLEET V series 500001213/G
Display Meaning
Internal operating
phases of the LMU...
00 Standby (no demand for heat)
PH_STANDBY
01 Prevention of startup
PH_STARTVER
02 Fan runup PH_THL1_1
PH_THL1_2
03 Prepurging
PH_TV
04 Waiting time PH_TBRE
PH_TW1
PH_TW2
05 Preignition time
PH_TVZ
06 Safety time, constant PH_TSA1_1
PH_TSA2_1
07 Safety time, variable PH_TSA1_2
PH_TSA2_2
10 Heating operation PH_TI
PH_MODULATION
Heating mode
11 DHW operation PH_TI
PH_MODULATION
DHW mode
12 Parallel operation of space heating and
DHW heating
PH_TI
PH_MODULATION
Heating and DHW
mode
20 Postpurging with the last control of
operation
PH_THL2_1
PH_TN_1
21 Postpurging with control of prepurging PH_THL2_2
PH_TN_2
22 Home run PH_TNB
PH_TLO
PH_TNN
99 Lockout position (display of the current
error code)
PH_STOER
Note: -If operating phases are passed very quickly or skipped, the relevant display
code will not appear.
Figure 8.3.12 - Operating phases