UTICA BOILERS MAH-100 Manual page 137

Described below is the procedure to activate the Commissioning Function wihich includes De-Aeration Function/Gas
Type Check when power is first supplied to the boiler and the actions required when on a Gas E (LPG) supply.
Commissioning Function is as follows:
• When power is supplied to the boiler for the first time
be displayed. If
will now be displayed.
• Press &
The "De-Aeration" Function will be activated & "On" showing.
• The boiler pump will run for up to 10 minutes. For 3-way valve
models the valve will switch between heating & hot water. This
will purge air from the system. The display will show
Gas Type Check
• Once de-aeration is complete on first fire-up the boiler will light
and operates for 6 or 7 minutes to automatically check the
gas type Gas A (Natural Gas "NG") or Gas E (Liquefied
Petroleum Gas "LPG"). The boiler software check the
combustion value against the set value.
will be displayed
and the temperature value °F(°C).
• On a Gas A (Natural Gas) supply the display shows
least 10 seconds and the boiler is ready for the normal
operation. If the display shows
and hold for at least 4 seconds to exit the function without
saving.
• On a Gas E (LPG) supply the display show
at least 6 seconds to confirm that this is the intended gas type
for the installation .
If the display shows
at least 4 seconds to exit the function without saving then
modify P02=01 as described in the Manual Instructions for the
Installer section "PARAMETERS SETTING".
• While the gas type is being identified, the boiler may be noisy.
IF THE BOILER IS TO BE OPERATED ON GAS E (LP) REPLACE THE
EXISTING LABEL WITH THE GAS E LABEL SUPPLIED WITH
THIS INSTRUCTION.
LABEL IS APPLIED TO PRODUCT IF CONVERTING TO LP.
240011376 REV D, [08/01/2021]
IMPORTANT INFORMATION
READ THIS LEAFLET BEFORE COMMISSIONING THE BOILER
Upon startup of this new boiler please call
ECR International, Inc. Technical Support
for installation assistance and registration.
Technical Support and Product Registration
Monday - Friday 8AM to 6PM Eastern time.
is shown, press , for at least 2 seconds
together and hold for at least 6 seconds.
alternating the % value of ignition power
, press
, press & together and hold for
ASSURE FACTORY SUPPLIED CONVERSION
IMPORTANT:
1.800.253.7900
Ensure
in Heating or DHW mode (DHW request) in order to
will
avoid the boiler shutoff for overheating.
FUNCTION INTERRUPT
If either De-aeration or Gas Check is interrupted by electrical
power failure is necessary to reactivate the function by
pressing
During De-aeration, if the display shows E118 (water low
pressure), open the water filling tap and repressurising the
system to the correct pressure value.
During Gas Type Check, if the display shows E133 (Ignition
Failure), press
During Gas Type Check, if the boiler switch off for
overheating failure is necessary to reactivate the function by
pressing
IMPORTANT: The combustion for this appliance has been
checked, adjusted and pre-set at the factory for operation on
the gas type specified on the appliance data plate.
During the Gas Type Check Function the combustion
ratio will increase for a short time while the gas type is
established.
for at
& together
, press for
IMPORTANT: Gas type Check
the maximum heat exchange to the system
& together for at least 6 seconds.
button to Reset then press together
& for at least 6 seconds to restart the function.
& together for at least 6 seconds.
The display shows the Gas Type Check