© MHG Heating Ltd
34
MHG Heating Ltd Unit 4 Epsom Dow ns Metro Centre, Waterfield, Tadw orth, Surrey KT20 5LR
Telephone 01737 358000 Fax 08456 448803 Email
Web w w w .mhgheating.co.uk
010717
Buffer Storage Tank
4720
Auto generation lock
None, With B4, With B4 and B42/B41
With B4
-
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
-
5061
El immersion heater release
24h/day, DHW release, time switch
program 4
DHW release
-
5062
Ei immersion heater control
External thermostat, DHW sensor
DHW sensor
-
5070
Automatic push
OFF, ON
On
5071
Charging prio time push
0
– 120
0
Min.
5085
Excess heat draw
Off
– On
On
-
5090
With Buffer
No - Yes
No
5092
With prim contr/system pump
No, Yes
No
5093
With solar integration
No, Yes
Yes