Reznor, Guardian 1 Phase Electric Heat with Signal Pro, Installation Manual, EN 2021-11, D301375 Iss 0 Page No 29
MS
Maintenance and servicing
Always ensure that the main
external electricity supply is
switched off and lock the switch
(if fitted) before commencing any
maintenance on this heater
To obtain the best results from
the heater, it is essential to avoid
the accumulation of dust and dirt
within the unit on the air inlet
and discharge grilles. For this
reason, regular cleaning is
necessary, paying particular
attention to the removal of dirt
build up on the fan assembly.
Cleaning of the fan is best carried out with a
soft brush and vacuum cleaner
The product should be serviced annually, by a
competent person.
1. GS units.
Loosen the two screws securing
the inlet cover and slide towards the end
cover, now loosen the two screws in the
next panel and slide towards the first
panel which will then allow this panel to
be released and lifted out of the dog bone
slot This panel can then be lifted out of
the tabs at the bottom to fully release. see
figure 9 on page 13
2. GR units
loosen the screws securing the
inlet grille and hinge down, the grille can
be removed by releasing the spring loaded
bolt to either side. See figure 12 and 13 on
page 13
Figure 26 GR Inlet cover
3. With a soft brush clean away any dust
from the motor and elements.
4. Check the security of all the components
5. Check for any signs of deterioration and
replace components as necessary
6. Inspect the wiring for damage, chaffing
of the outer case, damage cut or crushed
and security in the terminals
7. Check that the fuses are rated correctly.
8. Clean the honeycomb outlet
Inlet foam filter replacement GS
Figure 27 GS inlet foam retaining clip 1
1. Remove and replace the foam inlet filter, by
unhooking the leg of the clip and passing
it through the dog bone hole in the frame,
then release the remaining parts of the clip
to allow the foam filter to be removed and
replaced. Carefully refit the clip and ensure
the foam is not creased and secure.
Figure 27.1 GS removing the inlet foam
retaining clip
Summary of Contents for GUARDIAN GB 1000
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