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
Summary of Contents for F40V
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