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4.3.8 Electrical Safety Test
ᘐ
WARNING: As a minimum, the below electrical
safety tests should be performed. Failure to do so, may
result in damage to the product and/or personal injury.
4.4 INSTALLATION OF SYSTEM
ᘐ
CAUTION: The installation manuals and guides of all
individual system components must be obeyed to make
sure of correct operation and optimised life expectancy.
The system is to be installed in accordance with the standards
and legislation outlined in Section 1.4, and the requirements
of section 3.1.
Pipework is to be kept as simple as is practicable. Minimum
bends are to be used and swept bends are preferred to
increase efficiency and lifespan of system.
Where possible solder joints are to be made with temperature
sensitive components disconnected.
Upon completion, the pipework should be cleaned in
accordance with BSEN7593:2019 as specified in Section
5.2.1.
ᘐ
WARNING: Failure to appropriately protect against
system expansion will lead to catastrophic failure
of the system circuit, major property damage, and
serious harm to dwelling inhabitants. It must be sized in
accordance with BS EN 12828.
Make sure an expansion vessel is installed in the primary
circuit return pipe. Refer to Appendix 1 for further details. The
expansion vessel must be pre-charged to the correct pre-
charge setting before heating the circuit is filled. The plumbed
water connection should be upward facing to aid de-aeration.
ᘐ
CAUTION: When installing to a pre-existing system,
make sure that there is a sufficiently large dirt separator
with a drain (preferably installed on the lowest point in
the system) and that it has been sufficiently cleaned and
rinsed in accordance with section 5.2.1
All safety relief valves (including antifreeze) are to be
mounted in an orientation that avoids sediment build up on
the sealing face.
Air separators should be placed at every high point within the
circuit.
4.4.1 Outdoor Sensor Installation
ⓘ
IMPORTANT: DO NOT position on a south facing wall
in direct sunlight
1.
The Sensor must be fixed to an external wall surface.
2.
It must be positioned away from any sources of heat or
cooling (e.g. flue terminal) to ensure accurate operation.
Citing the Sensor above doors and windows, adjacent to
vents and close to eaves should be avoided (B)
3.
The Sensor should be positioned on a north to west
facing wall (C)
Installation and Maintenance
Section 4 - Installation
Upon completion of the electrical connections, electrical
safety tests are to be done to verify the integrity of the circuit.
These tests are to be done by a competent electrician in
accordance with IET guidelines:
-
Earth Continuity.
-
Polarity.
-
Resistance to Earth.
-
Short Circuit.
4.
The Sensor should be positioned approximately half the
height of the living space of the property, and a minimum
of 2.5 m above ground level (C)
5.
Once the position has been determined, prise the cover
off the sensor and mark through the sensor body the two
fixing holes and the larger hole for the wiring (A)
6.
Drill & plug the two fixing holes (plugs and screws are
supplied with the Sensor). Also drill the hole for the
sensor wiring cable.
7.
Insert the sensor wiring cable through the hole in the
wall, leaving sufficient length outside to allow connection.
(D) Seal the hole.
NOTE: 0.5 mm² two core cable is recommended (the
Sensor is a low voltage device). The cable is NOT
supplied in the kit.
NOTE: If it is not possible to pass the wiring cable
through the wall directly behind, remove the circular
'knock-out' panel in the sensor base to allow connection.
8.
Using the screws provided fit the body to the wall. Insert
the wires in the two-way terminal block and secure them.
Replace the Sensor cover.
C
B
D
Figure 44. Outdoor Sensor Installation
A
N
N-W
43
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