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© MHG Heating Ltd
54
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
7714
PWM signal P1
0
– 100
-
%
7716
Output test UX2
----/0
– 100
----
%
7717
Output signal UX2
----/0
– 100
----
7717*
Voltage output UX2
----/0
– 10
----
V
7719
PWM output UX2
----/0
– 100
----
%
7724
Output test UX3
----/0
– 100
----
%
7725
Output signal UX3
----/0
– 100
----
7725*
Voltage output UX3
----/0
– 10
----
V
7726
PWM output UX3
----/0
– 100
----
%
7730
Outside temp B9
-50
– 50
-
°C
7750
DHW temp B3/B38
0
– 140
-
°C
7760
Boiler temp B2
0
– 140
-
°C
7820
Sensor temp BX1
-28
– 350
-
°C
7821
Sensor temp BX2
-28
– 350
-
°C
7822
Sensor temp BX3
-28
– 350
-
°C
7823
Sensor temp BX4
-28
– 350
-
°C
7830
Sensor temp BX21
module 1
-28
– 350
-
°C
7831
Sensor temp BX22
module 1
-28
– 350
-
°C
7832
Sensor temp BX21
module 2
-28
– 350
-
°C
7833
Sensor temp BX22
module 2
-28
– 350
-
°C
7834
Sensor temp BX21
module 3
-28
– 350
-
°C
7835
Sensor temp BX22
module 3
-28
– 350
-
°C
7840
Voltage signal H1
0
– 10
-
V
7841
Contact state H1
Open, Closed
Open
7845
Voltage H2 module 1
0
– 10
-
V
7846
Contact state H2
module 1
Open, Closed
Open
7848
Voltage H2 module 2
0
– 10
-
V
7849
Contact state H2
module 2
Open, Closed
Open
7851
Voltage H2 module 3
0
– 10
-
V
7852
Contact state H2
module 3
Open, Closed
Open
7854
Voltage signal H3
0
– 10
-
V
7855
Contact state H3
Open, Closed
Open
7860
Contact state H4
Open, Closed
Open
7862
Frequency H4
0
– 2000
-
7865
Contact state H5
Open, Closed
Open
7872
Contact state H6
Open, Closed
Open
7874
Contact state H7
Open, Closed
Open
7950
Input EX21 module 1
0V, 230
0
V
7951
Input EX21 module 2
0V, 230
0
V
7952
Input EX21 module 3
0V, 230
0
V
State
8000
State heating circuit 1
SLT cut out, Fault, Man …….
-