AUTO-IDLE Operation, Adjusting the Idle Speed

OWNER’S MANUAL

OPERATION

Continued

HONDA

OFF START

Engine

ENGINE SW

SwitchCIRCUIT

BREAKER

ON/push OFF

Figure 24 - Engine Switch (Models

RGH5500AIE, RGH7500AIE, and

RGH11000AIE Only)

Choke Lever (Open Position)

Figure 25 - Choke Lever Opened (Model RGH7500AIE Shown)

AUTO-IDLE OPERATION

IMPORTANT: Never start engine with elec- trical loads connected. Start engine before adding electrical loads.

1.If engine is cold, turn the Auto-Idle switch OFF (see Figure 26).

2.Start engine. Allow engine to warm up with no load for five minutes.

3.Turn Auto-Idle switch ON. Engine will slow to idle speed. Engine idle speed is preset. Idle speed adjustment should not be necessary.

4.Operate generator according to speci- fications outlined in owner's manual.

5.Engine will automatically increase to normal operating speed when you plug load into any generator outlet.

Auto-Idle Switch

120	VOLTS

RESET

TEST

	Auto-
ON	Idle
	OFF

ENM
HOURS00000005	RESET	240
1/10	RESET	240	VOLTS
			VOLTS
	RESET		RESET
			RESET
			RESET

Figure 26 - Control Panel

Note: The 250 Volt/50 Amp receptacle is not connected through the Auto-Idle circuit. The Auto-Idle switch must be turned off to get full power out of this receptacle (see Figure 26).

6.The Auto-Idle system should be turned OFF when generator is shut down.

Adjusting the Idle Speed

IMPORTANT: Adjust the idle speed only:

•If the idle speed becomes too high.

•If the engine idle speed will not regulate (en- gine idles and speeds up again and again).

1.Turn Auto-Idle switch OFF. Start en- gine. Allow engine to warm up with no load for five minutes.

WARNING: Always set the idle speed before turning on the Auto- Idle. If idle speed is not set, the larger resistor on the control board may become hot. Heat from the resistor may damage the protec- tive coating on the control board.

2.Remove engine linkage cover (Mod- els RGH5500AIE and RGH7500AIE).

3.Push plunger into solenoid body to manu- ally engage solenoid and set idle speed.

4.Loosen the M8 nut that holds the sole- noid mounting bracket to the generator

(Models RGH5500AIE and RGH7500AIE, see Figure 27). Do not loosen bolt that holds the solenoid mounting bracket to the generator on Model RGH11000AIE (see Figure 28).

5.Slowly pull solenoid bracket away from engine (on Model RGH11000AIE this will require bending the bracket slightly).

6.With a volt meter, check the no-load output voltage at the 120-volt duplex receptacle. At proper idle speed (2680 minimum RPM) the meter should read 50-60 volts. Lower settings will cause the Auto-Idle to not operate properly.

7.After reaching proper idle speed, tighten M8 nut to secure solenoid

mounting bracket (Models RGH5500AIE and RGH7500AIE, see Figure 27).

8.Turn Auto-Idle switch ON. Make sure solenoid is engaged. When engaged, the plunger is pulled back into the solenoid.

9.If the engine speed is too slow, the en- gine will want to "hunt" or speed up and slow down repeatedly. When this occurs, increase engine speed by adjust- ing throttle stop screw on carburetor (refer to Carburetor Adjustment in Honda Engine Manual).

10.Replace the engine linkage cover

(Models RGH5500AIE and RGH7500AIE).

Solenoid Mounting
Bracket	M8 Nut

ENGINE

OFF

Figure 27 - Solenoid Bracket Location,

Models RGH5500AIE and RGH7500AIE

Only

Solenoid

Mounting

Bracket

Bolt

Figure 28 - Solenoid Bracket Location, Model RGH11000AIE Only

Continued

106815

Rgh3000, Rgh3000pr, Rgh5500a, Rgh5500aie, Rgh7500aie, And Rgh11000aie specifications

Desa is recognized for its innovative heating technology products, and among its offerings are the Rgh series, which includes the Rgh3000, Rgh3000pr, Rgh5500a, Rgh5500aie, Rgh7500aie, and Rgh11000aie. These models embody the latest advancements in performance and energy efficiency, catering to a variety of heating needs in both residential and commercial applications.

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