Adjusting Heater Output; Auto Mode; Manual Mode; Heater And Engine Shutdown - Generac Power Systems MAC 950F Owner's Manual

Flameless air heater
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Adjusting Heater Output

The heater has two modes, AUTO and MANUAL. The
current mode displays at the top of the controller screen.

AUTO Mode

In AUTO mode, output temperature is manually set, as
follows:
To increase output temperature, press (+)
3-6, item A)
To decrease output temperature, press (-)
3-6, item B)
A
B
Figure 3-6. AUTO mode

MANUAL Mode

In MANUAL mode, heater output can be set to minimum
fan or maximum fan, as follows:
For minimum fan, press MIN FAN
A). Minimum fan produces the highest temperature
at the lowest air flow.
For maximum fan, press MAX FAN
item
B).
Maximum
temperature at a higher air flow.
A
B
Figure 3-7. MANUAL mode
Owner's Manual for Flameless Air Heater
(Figure
(Figure
(Figure
3-7, item
(Figure
3-7,
fan
produces
a
lower
C

Heater and Engine Shutdown

Press OFF to stop the heater
1.
Heater automatically turns off and the engine
begins cooling down
Figure 3-8. Heater Cooling
NOTE: During cool down, the ON button is disabled.
When cool down is complete, the screen displays as
shown in
Figure
3-9.
Figure 3-9. Cool-down Complete
When the control screen indicates it is safe to turn
2.
off the engine, turn the ignition key to OFF.
Operation
(Figure
3-7, item C).
(Figure
3-8).
11

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