7730
7732
7750
DHW temperature B3
7760
7820
7821
7830
7831
7832
7833
7840
7841
7845
7846
7870
Signal burner fault S3
7881
Status
Line no.
8000
8001
8002
8003
8004
8005
8007
8008
8010
8011
Diagnostic Cascade
Line no.
8100
8101
8102
8103
8104
8105
8106
8107
8108
8109
MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR
P:0845 6448802 F:0845 6448803 E:
© MHG Heating Ltd
Outside temperature
B9
Flow temperature B1
Boiler temperature
B2
Sensor temperature
BX1
Sensor temperature
BX2
Sensor temperature
BX21 module 1
Sensor temperature
BX22 module 1
Sensor temperature
BX21 module 2
Sensor temperature
BX22 module 2
Voltage signal H1
Contact state H1
Voltage signal H2
Contact state H2
Signal 1st burner
stage E1
Data point
Status heating circuit
1
Status heating circuit
2
Status heating circuit
P
Status DHW
Status cooling circuit
1
Status boiler
Status solar
State solid fuel boiler
Status buffer
Status pool
Data point
Priority producer 1
Status producer 1
Priority producer 2
Status producer 2
Priority producer 3
Status producer 3
Priority producer 4
Status producer 4
Priority producer 5
Status producer 5
info@mhgheating.co.uk
011011
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-------
-------
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23.1
-------
-------
-------
-------
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0
Open
0
Open
0V
0V
Value
Room frost protection
active
---
---
---
---
---
---
---
---
---
Value
0
Not available
2
Released
3
Not released
1
Not released
0
Not available
W: www.mhgheating.co.uk
°C
°C
°C
°C
°C
°C
°C
°C
°C
°C
V
V
Unit
Additional Comments
Unit
Additional Comments
55
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