© MHG Heating Ltd
27
MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR
Telephone 01737 358000 Fax 08456 448803 Email
Web www.mhgheating.co.uk
010517
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
1020
Heating Curve Slope
0.10 - 4.00
1.50
3.20
-
1021
Heating Curve Displacement
-4.5 - 4.5
0.0
°C
1026
Heating Curve Adaption
Off - On
Off
-
1030
Summer/Winter heating limit
---/8
– 30
18
°C
1032
24-Hour heating limit
---/-10
– 10
-3
°C
1033
Ext‟n 24-Hour heating limit
Yes
– No
Yes
1040
Flow temp setpoint min
8
– P1041
8
°C
1041
Flow temp setpoint max
P1040
– 95
85
°C
1042
Flow temp setpoint room stat
---/P1040 - ---/P1041
---
°C
1044
Swi-on ratio room stat
---/1
– 99
---
%
1046
Delay Heat request
0
– 600
0
S
1050
Room Influence
---/1
– 100
---
%
1060
Room temp limitation
---/0.5
– 4
1
°C
1061
Heating limit room controller
---/0
– 100
---
%
1070
Boost heating
---/0
– 20
5
°C
1080
Quick setback
Off, Down to Reduced Setpoint, Down
to Frost Protection Setpoint
To Reduced
Setpoint
-
1090
Optimum start control max
0
– 360
0
Min.
1091
Optimum stop control max
0
– 360
0
Min.
1094
Heat up gradient
0
– 600
60
Min/k
1100
Reduced setp. increase start
---/P1101
– 10
---
°C
1101
Reduced setp. increase end
-30
– P1100
-15
°C
1109
Continuous pump operation
No
– Yes
No
1112
Frost protection flow temp.
Off
– On
On
1120
Overtempprot. pump circuit
Off
– On
On
-
1130
Mixing valve boost
0
– 50
5
°C
1132
Actuator type
Two Position
– Three Position
Three-position
-
1133
Switching differential 2-pos
0
– 20
2
°C
1134
Actuator running time
30
– 873
120
S
1135
Mixing valve Xp
1
– 100
32
°C