HAMWORTHY HEATING LTD
MILBORNE 500 SERIES
500001130/A
49
No Desc. Lower
Limit
Family Upper
Limit
Default
Value
Note Specification Pc
Screen
85 Ignition
fan
speed for
the slaves
Min
fan
speed
SL Max
fan
speed
Gas
type
Check with
Parameter
36
This value automatically changes
according to the gas selection (Gas
type)
Slave
86 Pre-purge
for the
slaves
Min
fan
speed
SL Max
fan
speed
Gas
type
Check with
Parameter
36
This value automatically changes
according to the gas selection (Gas
type)
Slave
87 Flow_temp
erature_
Max_
slave
10 SL 117 90
Safety
option
slave
If flow_temp > flow_temp_max
for 5 secs > error
Slave
88 Return_
Temp_
Max_
slave
10 SL 117 80
Safety
option
slave
Ir return_temp >
return_temp_max for 5 secs >
error
Slave
89 Flue_gas_
Temp_
Max_
slave
10 SL 117 80
Safety
option
slave
If flue_gas_temp >
flue_gas_temp_max for 5 secs >
error
Slave
90 Flue
gas
sensor
slave
0 =
blocki
ng
1 =
lock-
out
SL 0
Safety
option
slave
If there is an error on
flue_gas_sensor, the burner has
to be turned off for 10 minutes
and the fan has to be activated
at the maximum speed for the
same time.
Slave
91 Flow
temp
and return
temp slave
> max
temp.
0 =
blocki
ng
1 =
lock-
out
SL 0
Safety
options
Block = automatic restart of the
boiler
Slave
92 Post
pump
period
slave
0 =
no
post
pump
1 = 1
min
SL 255
(=
continuous
function)
6
93 Delta_max
_flow_
Return of
the slaves
10
SL
99
35
Delta_t = flow-return
Delta - t > par.93 = burner off
Delta_t > par.93 - 5 = min power
Delta_t < par.93 - 10 = no
reduce power
Para.93 - 10 < Delta_t < par.93 -
5 = Reduction of the power with
a decrease of 60 / degrees
Slave
94 Post
pump
time 3rd
0
(=min
utes)
G 255
(=
continuos
function)
5 Pump
over-
run
This is the post pump time after
the last request for heat
G