Generac Power Systems MAC 950F, Owner'S Manual

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10 Owner’s Manual for Flameless Air Heater
Operation
Engine and Heater Startup
1.
Close all doors that access the unit’s interior.
IMPORTANT NOTE: All doors on the unit must be
closed when operating.
2.
Turn ignition key to ON. The screen displays
“Engine Preheat” (
Figure 3-1 ).
Figure 3-1. Engine Preheat
3.
When screen displays “Start Engine” ( Figure 3-2 ),
turn ignition key to START.
Figure 3-2. Start Engine
4.
The screen displays “Engine Warming” ( Figure 3-
3 ).
Figure 3-3. Engine Warming
5.
When the coolant temperature reaches 100
°
F
(38
°C)
, engine warming is complete and the heater
automatically begins warming up. The screen
displays “Heater is warming up--Please wait”
(
Figure 3-4 ).
Figure 3-4. Heater Warming
6.
When the heater is warm, heat begins blowing
from ducts, green strobe light on top of unit
activates and screen displays “Heater on--Press
Off to stop the heater” (
Figure 3-5 ).
Figure 3-5. Heater On
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