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© MHG Heating Ltd
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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
7.0 Electrical Connections
Basic electrical connection for all types of ProCon E
30
H1 Programmable Input
Orange/White
31
H1 Sensor Ground
Black
32
H4 Programmable Input
Green
33
H4 & H5 Sensor Ground
Black
34
H5 Programmable Input
White
35
CL+ QAA75/78 Room Unit
Blue
36
CL- QAA75/78 Room Unit
Green
37
G+ QAA75/78 Room Unit
Red
20
B9 Outside Air Sensor (QAC34)
Yellow
21
B9 & B3 Sensor Ground
Black
22
B3 HWS Sensor / Volt Free Enable
Red
23
BX3 Programmable Sensor Input
Brown/White
24
BX2/BX3 Sensor Ground
Black
25
BX2 Programmable Senor Input
Grey
26
BX21 Sensor Ground
Black
27
BX21 Programmable Input (AGU Clip)
White
28
MB LPB Cascade Communication (OCI Clip)
Black/Green
29
DB LPB Cascade Communication (OCI Clip)
Brown