Section 11: Operation And Maintenance; Pre-Start-Up Checks - Addison UHA 150 Installation, Operation & Service Manual

SECTION 11: OPERATION AND MAINTENANCE

DANGER
Electrical Shock Hazard
Disconnect electric
before service.
Heater must be
connected to a properly
grounded electrical
source.
Failure to follow these instructions can result in death, electric shock, injury or property damage.
Read this manual carefully before installation,
operation, or service of this equipment. All
components are accessed via hinged door secured
by tooled access. Opening the door exposes live
electrical connections and hot components.
WARNING
Severe Injury Hazard
Turn off gas and electrical supply before
service.
Fan can start automatically at any time.
Failure to follow these instructions can
result in severe injury or product damage.

11.1 Pre-Start-Up Checks

All pre-start-up checks must be carried out before
lighting the heater.
Ensure that the heater and all controls are suitable
for the gas, pressure and electrical supply to which
they are to be connected.
11.1.1 Louvers
Where fitted, the air delivery louvers need to be set
during start-up to give the required air distribution.
Explosion Hazard
Turn off gas supply to
heater before service.
SECTION 11: O
WARNING
Burn Hazard
Allow heater to cool
before service.
Tubing may still be hot
after operation.
11.1.2 Electrical Checks
All pre-start-up checks must be carried out before
start-up the heater.
1. Check that all site wiring is connected in
accordance with the appropriate wiring diagram
on Page 24, Section 10.5.
11.1.3 Gas Supply
All aspects of the gas installation including the gas
meter must be inspected, tested for gas tightness
and purged in accordance with local and national
codes.
Ensure that the air is fully purged from the heater
inlet pipe up to the main gas valve inlet test nipple.
11.1.4 Mechanical Checks
1. Check that the fan is free to run and
delivery louvers are turned to give required
air deflection.
2. Check that the flue (and air intake for separated
combustion units) is installed in accordance
with the instructions in this manual and local
regulations. See Page 11, Section 7.
M
PERATION AND AINTENANCE
Cut/Pinch Hazard
Wear protective gear
during installation,
operation and service.
Edges are sharp.
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