HAMWORTHY HEATING LTD
MILBORNE 500 SERIES
500001130/A
46
No Desc. Lower
Limit
Family Upper
Limit
Default
Value
Note Specification Pc
Screen
44 T_CH_
High_
max
10°C Rh 117°C 90 Safety
Device
If T1 > T1 maximum temperature for
5 seconds. It limits the fan speed,
parameter 15
CH_
high
45 P-factor
CH_high
0
Rh
255
30
P-factor for PI-control in CH-high
mode
CH_
high
46 I-factor
CH_high
0
Rh
255
70
I-factor for PI-control in CH-high
mode
CH_
high
47 D-factor
_CH_
high
0 Rh 255 128
D-factor
for
PI-control
in
CH-high
mode
CH_
high
48 CH_high
Blocking
_time
0 sec
Rh
255 (=
minutes)
0 Time
before re-
start in CH
mode after
a
thermostat
opens
After the burner is switched off in
CH-mode the system is blocked
for CH-mode for this blocking
time
CH_
high
49 Post
pump
time
CH_high
0 (=
minute
s)
Rh 255
(cont.
functioning
5 Pump
over-run
high temp
circuit
This is the post pump time after
the high temperature heating
circuit room thermostat opens
CH_
high
50 T_high
correctio
n 20°C
-30°C
Rh
30°C
0
Calibration / correction of the
high temp sensor lower limit at
20°C
CH_
high
51 T_high
correctio
n 85°C
-30°C
Rh
30°C
1
Calibration / correction of the
high temp sensor upper limit at
85°C
CH_
high
52 Blocking
time
DHW>
CH
0 =
switch
with
burner
on
1= 1
minute
Rh 255
(=
minutes)
0 Delayed
change-
over from
DHW
mode to
CH mode
Duration of burner off period when
changing from DHW mode to CH
mode.
0 = Seamless change, burner stays
on
1 = Delayed change, burner off = 1
min
2 = etc.
CH_
high
53 T_CH_
Low_
max
10°C Rb 90°C 80 Safety
device
If T1 > T1 maximum temperature
for 5 seconds. This value is
always <= T_CH_High_max
parameter 44. It limits the
parameter 21.
CH_
low
54 P-factor
CH_low
0 Rb 255 30
P-factor for PI-control in CH-low
mode
CH_
low
Heating Engineers Parameter List (Cont’d)
2nd Level Password (on the Master and on the computer.