© MHG Heating Ltd
28
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
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
Optgmode 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