16/25
Removal & replacement of parts
LCSA-4 air heaters must only be fitted with
authorized replacement parts. These heaters must
use certificated spare parts to comply with
legislation.
8.1 Main burner removal
Instructions for burner removal (see figure 8):
1. Turn OFF the gas supply to the air heater.
2. Switch OFF the electricity supply to the air
heater.
3. Open the access door.
4. Disconnect the union in the gas supply outside of
the appliance.
5. Remove gas supply pipe from multi-functional
gas control valve.
6. At the burner rack assembly, remove the nuts
that secure the burner manifold to the burner
rack. Lift the burner rack/manifold assembly
upward and pull the assembly out of the air
heater.
Instructions for re-assembly:
1. Reverse the procedure for removal making sure
that all parts are installed correctly. Check that
all components are secure.
2 When lighting, always follow the lighting
instructions on the air heater.
Remember!
After any service work has been carried out, the air
heater must be fully commissioned. See section 6
of this document
Figure 8
(for clarity, the heater cabinet & other parts
are not illustrated)
Figure 9 View of the Control Compartment
1
2
3
4
5
6
7
8
9
10
11
12
14
13
1 Burner
2
LC3 limit controls
3
Burner operating lamp H6
4
Reset switch S3
5
Spark igniter ER
6 Control
panel
7
Gas valve V1
8
Fan motor M1
9
Venter motor M3
10 Fan control relay KFC
11 LC1 limit control
12 Flame sensor IS
13 Reset
LC3
14 Fuse
F3.1
8
