Adjusting Heater Output; Auto Mode; Manual Mode; Heater And Engine Shutdown - Generac Power Systems MAC 550F Owner's Manual

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)
• For maximum fan, press MAX FAN
item B)
A
B
Figure 3-7. MANUAL Mode
Owner's Manual for Flameless Air Heater

Heater and Engine Shutdown

1.
(Figure
(Figure
NOTE: While cooling, the ON button is disabled.
When cooling is complete, the screen displays as shown
in Figure
001578
(Figure 3-7, item
(Figure 3-7,
C
2.
001579
Press OFF to stop the heater
The screen displays "Heater is cooling down--
Please wait" (Figure 3-8).
Figure 3-8. Heater Cooling
3-9.
Figure 3-9. Cooling Complete
CAUTION
Unit damage. Do not stop engine before heating
unit is cooled. Doing so could result in unit damage.
When the control screen indicates it is safe to turn
off the engine, turn the ignition key to OFF.
Operation
(Figure 3-7, item C).
001582
001583
(000240a)
11