
© MHG Heating Ltd
38
MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR
Telephone 08456 448802 Fax 08456 448803 Email
Web www.mhgheating.co.uk
140116
4721
Auto heat gen lock SD
0
– 20
8
°C
4722
Temp diff buffer/HC
-20
– 20
-5
°C
4724
Min st tank temp heat
mode
----/8
– 95
----
°C
4750
Charging temp max
8
– P4751
80
°C
4751
Storage tank temp
max
P4750
– 95
90
°C
4755
Re-cooling temp
8
– 95
60
°C
4756
Re-cooling DHW/HCs
Off, On
Off
4757
Re-cooling collector
Off, Summer, Always
Off
4783
With solar integration
None, Yes
None
4790
Temp diff on return div
P4791
– 40
10
°C
4791
Temp diff off return div
0
– P4790
5
°C
4795
Compar temp return
div
Buffer sensor B4, Buffer sensor B41,
Buffer sensor B41
With B42
4796
Optg. action return
diversion
Return temp setback, Return temp
rising
Return temp
rising
4800
Partial charging
setpoint
----/8
– 95
----
°C
4810
Full charging
Off, Heating mode, Always
Off
4811
Full charging temp min
8
– 80
8
°C
4813
Full charging sensor
With B4, With B42/B41
With
B42/B41With
B42/B41
DHW Storage Tank
5010
DHW charging
Once/day, Several times/day
Several
times/day
5011
DHW forward shift
charge
---/00:30
– 04:00
----
H
5012
DHW forced charging
Off, On
On
5020
Flow setpoint boost
0
– 30
16
°C
5021
Transfer boost
0 - 30
8
°C
5022
Type of charging
Recharging, full charging, full
charging legio, full charging first time
of day, full charging first time Legio
Full charging
5024
Switching diff
0
– 20
5
°C
5030
Charging time
limitation
----/10
– 600
150
Min.
5040
Discharging protection
Off, Always, Automatically
Automatically
5050
Charging temp max
8
– P5051
80
°C
5051
Storage tank temp
max
P5050
– 95
90
°C
5055
Storage tank return
cooling
8
– 95
80
°C
5056
Storage tank return
cooling producer/HC
Off
– On
Off
-
5057
Storage tank return
cooling Collector
Off, summer, always
Off
-
5060
El imm heater optg
mode
Backup mode, summer only, always
Backup mode
-