© MHG Heating Ltd
29
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
812
Frost protection flow
temp.
Off
– On
On
-
820
Overtempprot. pump
circuit
Off
– On
On
-
830
Mixing valve boost
0
– 50
5
°C
832
Actuator type
Two Position
– Three Position
Three-position
-
833
Switching differential
2-pos
0
– 20
2
°C
834
Actuator running time
30
– 873
120
S
835
Mixing valve Xp
1
– 100
32
°C
836
Mixing valve Tn
10
– 873
120
S
850
Floor curing Function
Off, Function heating, Curing heating,
Fu Curing heating,
functional heating, Manually
Off
-
851
Floor curing setp.
manually
0
– 95
25
°C
855
Floor curing setp.
current
0
– 95
°C
856
Floor curing day
current
0
– 32
861
Excess heat draw
Off, Heating mode, Always
Always
870
With buffer
No, Yes
Yes
-
872
With prim
contr./system pump
No, Yes
Yes
880
Pump speed reduction
According HC operating level,
According characteristic curve,
Temp. differential nominal
According
characteristic
curve
881
Starting speed
0
– 100
100
%
882
Pump speed min
P885
– P883
50
%
883
Pump speed max
P882
– P886
100
%
885
Pump speed min OEM
0
– P882
50
%
886
Pump speed max
OEM
P883
– 100
100
%
888
Curve readj. at 50%
speed
0
– 100
33
%
889
Filter time const.
speed ctrl.
0
– 20
5
Min.
890
Flow setp. readj.
speed ctrl.
No, Yes
No
898
Operating level
changeover
Frost protection, Reduced, Comfort
Reduced
900
Optg mode
changeover
None, Protection, Reduced, Comfort,
Automatic
Protection
Min.
Heating Circuit 2
1000
Operating Mode HC2
Protection, Automatic, Reduced,
Comfort
Automatic
-
101
Comfort Setpoint
P1012
– P1016
20.0
°C
1012
Reduced Setpoint
P1014
– P1010
16.0
°C
1014
Frost Protection
Setpoint
4
– P1012
10.0
°C
1016
Comfort Setpoint Max
P1010 - 35
35.0
°C