Roberts Gorden 10081601NA Rev H 12/11 1.0 w.c. - 1.2 wc VFD Frequency Setting, Parameter, Factory

SECTION 8: COMMISSIONING THE CORAYVAC® SYSTEM

Step 8.1.3 After setting end vent vacuums between 2.5" wc and 3.0" wc, while all the burners are still operating, use the down arrow button on the VFD to reduce the frequency of the output signal to the pump. Reduce the frequency of the VFD until the manometer at each of the end vents reads 1.0" wc - 1.2" wc, Make note of this frequency setting below. The frequency is found on the VFD’s LCD screen.

1.0" w.c. - 1.2" wc VFD Frequency Setting

Record Frequency Setting Here:

Step 8.1.4 Return to the PC and click the pump and zones to "OFF".

Step 8.1.5 Using the procedure described on Page 42, Section 7.1.1 through Section 7.1.5, alter the fol- lowing parameters on the VFD:Return to the PC and click the vacuum pump and three zones to "AUTO", then click exit.

Parameter	Parameter	Factory	New
Number	Name	Default	Setting
P01	Line Voltage	01	01
P03	Start Method	01	05
P05	Standard	01	(03) (0-10) Vdc
	Speed		(04) (4-20) mA
	Source
P44	Password	225	Any #
			000-999
P45	Speed at	0.0Hz	Frequency
	Minimum		Setting noted
	Signal		on Page 44,
			Section 8.1.2
P46	Speed at	60.0Hz	Frequency
	Maximum		Setting noted
	Signal		on Page 44,
			Section 8.1.2

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