GLOW T180 - 4. Commissioning The Appliance; 4.1 General Warnings; 4.2 Preliminary Operations; 4.3 Flushing The System

Glow T180
Tankless Condensing Water Heater
46
4. Commissioning The Appliance
4.1 General Warnings
The following operations must be carried out
by professionally qualied personnel, registered in
accordance with current legislation.
Warranty will not be covered if unit is not
commissioned by a certied Glow Brand contractor.
The water heater leaves the factory preset
and tested for burning either natural Gas or LPG.
Nevertheless, prior to starting the water heater for the
rst time, make sure that the information on the rating
plate corresponds to the type of gas being supplied
to the water heater.
Once the system has been lled and the
necessary adjustments made, remember to tighten
the screws of the gas valve test port and make sure
that there are no gas leaks from the test port and
from any pipe ttings upstream of the gas valve.
4.2 Preliminary Operations
Switching the water heater on for the rst time
means checking that the installation, regulation and
operation of the appliance are correct.
Δ Check that the rating on the rating plate
corresponds to that of the main supply networks
(gas, electricity, water).
Δ Check that the power supply voltage to the water
heater complies with the rating plate (120 V – 60
Hz) and that the live, neutral and ground wires
are connected properly. Also make sure that the
ground connection is sound.
Δ Check that the gas supply is correctly sized for
the ow rate required by the water heater and
that it is tted with all the safety and control
devices stipulated by current regulations.
Δ Check that the supply of combustion air and
exhaust and condensate discharge systems are
functioning correctly and in line with current law
and national and local standards.
Δ Check for the presence of permanent aeration/
ventilation openings as required by current law
for the type of appliances installed.
Δ Check that the exhaust vent and its connections
to the termination comply with the requirements
of current law and national and local standards
for the type of appliances installed.
Δ Check that the condensate drain system,
including outside the water heater (exhaust
system condensate collection devices), allows
the condensate to ow freely to the drain.
Δ Check that there are no ammable materials
or liquids in the immediate vicinity of the water
heater.
4.3 Flushing The System
Failure to ush the system will invalidate the
appliance warranty.
All systems must be thoroughly drained
and ushed out using additives or ushing
agents/de-scalers. All ushing must be
done for new and retrot installs.
Warning: Failure to clean the system
invalidates the warranty.
To ush out domestic hot water circuit:
1. Open all hot water outlets and airhandler drain
cocks. (if so equipped)
2. Open the main water valve to allow water to
enter the water heater; allow water to ow.
Leave to ll until water is released from the hot
water outlets. Turn off all hot water outlets.
3. Connect a hose pipe to the cylinder drain cock
and open the drain cock.
4. Allow water to ow through the water heater
and air handler and out of the drain cock. (if so
equipped)
5. Turn off water supply, disconnect the hosepipe,
close the drain cock and rell the water heater
and air handler. (if so equipped)
4.4 Priming The Condensate Trap
The condensation trap must be lled when starting
the water heater for the rst time in order to prevent
ue gases from owing back through the trap. (see
gure 4.1)
Attention! It is recommended to clean the
condensate trap, after a few months of water heater
operation, to remove deposits/residuals left after the
rst condensate passage within the water heater
new components that may interfere with the correct
operation of the trap itself.
Remove the condensate trap and clean it with a
soapy solution.