Specifications

MONITOR HEATING SYSTEMS
Section 1: Description
1-36 COMBUSTION BLOWER MOTOR
The combustion blower has a four stage intake fan
Burner modes control fan speeds.
The combustion air controls are as follows:
Table 1-2 COMBUSTION AIR CONTROL
Burn Mode Fan Speed (r.p.m.)
High 2,975
Medium-High 2,550
Medium-Low 2,025
Low 1,800
1-37 OVERHEAT PROTECTOR SWITCHES
Connected in series, two (2) normally-closed Over-
heat Protector Switches safeguard the heaters
against damage due to overheating.
The switches are rated 110'C (230T) and 105'C
(221 'F). Should a Monitor overheat (internal temper-
atures rise beyond 105'C (221'F). either or both
switches will open to shut down the heater. After ex-
tinguishing the flame, the code [EOS] is indicated in
the digital display. The Overheat Protector Switches
will automatically reset after cooling down.
Once the heater has cooled to 90'C (194T), the
system can be restarted. To restart the Monitor,
proceed as follows:
A. Press ON/OFF Switch to OFF.
B. Allow heater to cool.
C. Troubleshoot the cause of the overheat.
D. Press ON/OFF switch to ON
E. Proceed with normal operation.
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