HAMWORTHY HEATING LTD
14
Merley Boiler Sequence Controller
500001210/D
2
28
4Z
3
3a
2
28
4Z
3
4a
2.7.1 Mounting Location
•
The controller must not be exposed to dripping water
2.7.2 Electrical Connections
1
3
4
5
6
2
22
84
Z
40
1
CL+
BSB data
2
CL
-
BSB ground
2.7.3 Dimensions and Drilling
22
82
M
02
96
96
91
47
1
2
23
59
Z
27
4,2
56
60
56
60
2.8 Outside sensor
-
QAC34
The
sensor must be installed on an outside, north facing wall, away from any air vents, pipes, illuminated signs or any other
device that could affect the ambient temperature local the sensor.
Note!
Exposure of the sensor to direct sunlight at any time during the day will severely affect the performance of the compen-
sation and optimum start functions.
2
3
59
Z
5
4
23
59
Z
5
9
Outside Sensor