Greenheck Fan ERV-361, ERV-581 manual Variable Frequency Drives for Energy Recovery Wheel, 10 VDC

Factory Set Points - continued

Resetting the drive to factory defaults

To reset the drive back to Greenheck factory defaults go to parameter A1-01 and set it to “2”. Then go to

A1-03 and change it to “1110” and press enter. The drive is now reset back to the settings programmed at Greenheck.

MODULATING CONTROL FOR FAN SPEED

(0-10 VDC)

	Parameter	Setting
		V1000	J1000
A1-01	Access Level	2	2
b1-17	VFD Start-Up Setting	1	1
C1-01	Acceleration Time	30 sec.	30 sec.
C1-02	Deceleration Time	30 sec.	30 sec.
C6-02	Carrier Frequency	1	1
d2-02	Ref Lower Limit	50%	50%
E2-01	Motor Rated FLA	Motor	Motor
		FLA	FLA
H3-04	Terminal A1 Bias	50%	50%
A1-01	Access Level	0	0

multi-speed control FOR FAN SPEED

(1/3 or 1/2 speed reduction)

	Parameter	Setting
		V1000	J1000
A1-01	Access Level	2	2
b1-01	Reference Source (Frequency)	0	0
b1-17	VFD Start-Up Setting	1	1
C1-01	Acceleration Time	30 sec.	30 sec.
C1-02	Deceleration Time	30 sec.	30 sec.
C6-02	Carrier Frequency	1	1
d1-01	Frequency Reference 1	60 Hz	60 Hz
d1-02	Frequency Reference 2	40 Hz	40 Hz
d1-03	Frequency Reference 3	30 Hz	30 Hz
d1-04	Frequency Reference 4	60 Hz	60 Hz
d2-02	Ref Lower Limit	50%	50%
E2-01	Motor Rated FLA	Motor	Motor
		FLA	FLA
H1-04	Multi-Function Input Sel 4	3	3
	(Terminal S4)
H1-05	Multi-Function Input Sel 5	4	4
	(Terminal S5)
H1-06	Multi-Function Input Sel 6	5	NA
	(Terminal S6)
H3-10	A2 Not Used	F	NA
A1-01	Access Level	0	0

CO2 SENSOR CONTROL FOR FAN SPEED

(1/2 speed WHEN C02 drops below 700 PPM)

	Parameter	Setting
		V1000	J1000
A1-01	Access Level	2	2
b1-01	Reference Source (Frequency)	0	0
b1-17	VFD Start-Up Setting	1	1
C1-01	Acceleration Time	30 sec.	30 sec.
C1-02	Deceleration Time	30 sec.	30 sec.
C6-02	Carrier Frequency	1	1
d1-01	Frequency Reference 1	60 Hz	30 Hz
d1-02	Frequency Reference 2	30 Hz	60 Hz
d2-02	Ref Lower Limit	50%	50%
E2-01	Motor Rated FLA	Motor	Motor
		FLA	FLA
H3-10	A2 Not Used	F	NA
A1-01	Access Level	0	0

Variable Frequency Drives for Energy Recovery Wheel

Optional factory installed VFD for the energy recovery wheel is programmed at the factory per the settings shown below for economizer and frost control modes. The VFD provided is a Yaskawa model J1000. Refer to the VFD instruction manual that ships with the unit when making adjustments.

	Parameter	Setting – J1000
A1-01	Access Level	2
b1-17	VFD Auto Start	1
C6-02	Carrier Frequency	2
d2-01	Ref Upper Limit	100% or 66%*
d2-02	Ref Lower Limit	5%
E2-01	Motor Rated FLA	Motor FLA
E2-03	Motor No-Load Current	Must be less than
		FLA
H1-02	Multi-Function Input	6
	(Terminal S2)
H2-01	Multi-Function Output	5
	(MA, MB, MC)
Economizer Signal Source		Setting
		Honeywell	Carel
(0-10 VDC)
		Module	Controller
H3-03	Analog Frequency Reference	0	100
	(Gain)
H3-04	Analog Frequency Reference	99	0
	(Bias)
L1-01	Elect Thermal Overload	2
L4-01	Frequency Detection Level	20
A1-01	Access Level	0

*36 inch wheel is 66% (40 Hz). All other wheels are 100% (60 Hz).

Model ERV Energy Recovery Unit 17