I.C.E. MTI 11-300 - Manual (Page 11)

11
CAUTION-GAS UNITS
•
At maximum input the supply gas pressure must fall within the range specified on the unit
rating plate.
•
Check all piping for tightness and correct any signs of leaks.
START-UP
a) Refer to start-up checklist and field report for correct settings that are to be checked on the
unit.
b) Check the supply fan motor thermal overload setting against the rating plate figure.
c) Ensure burner on-off switch is in the “off”
d) Verify unit’s sequence of operation corresponds to sequence provided in the supplied
literature.
e) Check supply fan motor amps against rating plate figure. If actual figure varies by +/-20%
from rating plate value, take corrective actions with respect to ductwork and accessories
external to the unit or blower/motor drive adjustments making sure to follow manufactures
rating for blower rotational speeds.
f) The thermal overloads must be set to appropriate motor performance after all adjustments
have been made.
g) Follow sequence and perform necessary steps to initiate burner activation.
h) Once flame is detected the controller goes into "Power" and “Heat” mode.
i)
Check unit performance as described on the factory test report, (include items such as stack
temperature. CO-2 level, flame signals etc.) Readings obtained in the field should not
deviate significantly from those obtained at the factory.
SHUT DOWN
1. EMERGENCY SHUT DOWN
a) Set disconnect switch to "off' position.
b) Close the manual main fuel valve.
c) Set the burner on-off switch to "off'.
2. SERVICE SHUT DOWN
a) Set the burner toggle switch to "off' position.
b) Close the manual main fuel valve.
c) Set the operating controls, (e.g. thermostat, remote panel switches), so as to prevent heating
operation.
MAINTENANCE
Regular maintenance is necessary to ensure the efficient operation and long life of this unit. This
maintenance should be preformed by, or supervised by, qualified service personnel. A maintenance
schedule should be prepared for the unit based on its application and location.