Camus Hydronics Valiant FT VA0080, Manual, Page: 26 / 79

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4. Remove the air intake elbow from the venturi.
5. Using a torx driver, remove the screws attaching
the venturi to the blower.
6. Replace this Venturi with the LP Venturi.
7. Follow steps 5 to 1 in reverse order to reattach all
the components.
8. Adjust high fire and low fire CO2 values using the
high fire and low fire trims on the gas valve and
match with table 15.
4.6 HIGH ALTITUDE
For US: The input ratings of the appliance operating at
elevations above 2000ft shall be reduced at the rate of 4%
for each 1000ft above sea level.
For Canada: The de-rated input rating above 2000ft is as
stated on the rating plate of the appliance. For operation
above 4500ft, consult the local authorities for de-rating
capacities.
5.0 CONTROLS
5.1 VALIANT FT CONTROL
The Valiant FT utilizes the 990MN control. This control
includes the main board, an operator interface digital
display mounted on the inside of the front door and an HMI
touchscreen mounted at the front.
5.1.1 Levels of Access
The control has two levels of access to restrict menu and
setting adjustment to trained technicians.

User – Access to general parameters, display settings
and adjustments to the setpoint. No code is required for
this level.

Installer – Access to additional parameters to allow for
ease of startup and serviceability. This level is unlocked
by entering the correct code into the control. Password
1100 must be entered for this level of access.
CAUTION
Label all wires prior to disconnection when servicing
controls. Wiring errors can cause improper and
dangerous operation.