5
Attach the control module to the wallplate by placing the
slots in the top of the module over the lugs on the top edge
of the wallplate and hinging down until the slot in the bottom
edge of the module locates over the screw attached to the
wallplate. Tighten the screw.
CS1 Sensor installation
Gas or Oil fi red Boiler Systems
The sensor should be fi tted to the side of the domestic hot
water cylinder, half way up from the bottom.
Select the fi xing position and remove suffi
cient insulation to
ensure that the sensor element can make close contact with
the surface of the cylinder wall.
Clean away all traces of insulation and ensure both cylinder
wall and sensor are clean.
Before mounting the sensor, coat the copper foil on the contact
surface of the sensor with the heat conducting paste supplied.
The sensor must be connected to the WP75-RF using double
insulated cable greater than 0.75mm
2
.
For insulation thicker than 25mm
and up to 55mm thick, use the
extra cover supplied as a spacer to
ensure that the sensor is held in
firm contact with the cylinder wall.
1/2 cylinder
height
S
e
nsor Installa
tion
IMPORTANT
1. Ensure cylinder wall is clean
2. Use heat transfer paste
provided