optional accessories

Variable Frequency Drives for Blowers

Optional factory installed, wired, and programmed variable frequency drives (VFD) may have been provided for modulating or multi-speed control of the blowers.. One VFD is provided for each blower (outdoor air and exhaust).. The VFDs provided are either Yaskawa model E7 or model GPD305.. Refer to the tables on the next page for factory settings and field wiring requirements.. Refer to the unit control center for unit specific wiring diagram (an example wiring diagram has been provided in this section for reference).. When making adjustments outside of the factory setpoints, refer to Yaskawa VFD instruction manual, which can be found online at www..drives..com.. For technical support, contact Yaskawa direct at 1-800-927-5292..

 

 

 

 

 

 

YASKAWA

 

 

 

YASKAWA E7

 

 

 

 

GPD 305/J7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FREF FOUT

IOUT

MNTR

 

 

 

 

 

 

 

 

F/R

LO/RE

PRGM

 

 

 

 

 

 

 

 

RUN

 

 

 

 

 

 

 

 

 

DSPL

 

 

 

 

 

 

 

 

 

 

 

STOP

 

 

 

 

 

 

 

 

 

DATA

RESET

MIN

MAX

 

 

 

AUTO

 

 

 

ENTER

 

 

 

 

 

 

 

ESC

 

 

 

 

 

 

 

 

 

MENU

 

 

 

 

 

 

 

 

MONITOR

 

DATA

 

 

 

 

 

 

 

 

 

ENTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESET

 

 

 

 

 

 

 

 

RUN

STOP

 

MA MB MC S1 S2 S3 S4 S5

SC FS

FR FC

AM AC

 

 

 

HAND

OFF

 

 

 

 

 

 

SN SC SP A1 A2 +V AC

AC

R+ R-

MA MB MC

OPTION 1 - 0-10 VDC CONTROL

 

 

 

E(G)

S1 S2 S3 S4 S5 S6 S7

FM AC AM

IG S+ S-

M3 M4 M1

M2

E(G)

USER TO PROVIDE ISOLATION AS REQUIRED

 

 

 

 

 

 

 

FR FC

 

0-10 VDC CONTROL SIGNAL (BY OTHERS)

WIRED TO FR (+) AND FC (COMMON)

0 VDC=30 Hz

10 VDC=60 Hz

FOR ONE 0-10 SIGNAL, WIRE TO DRIVES IN PARALLEL

OPTION 1 - 0-10 VDC CONTROL

SEE VFD INSTALLATION MANUAL FOR MORE DETAIL

USER TO PROVIDE ISOLATION AS REQUIRED

FOR CONTINUOUS 60Hz OPERATION JUMPER TERMINALS FS AND FR.

A1 AC

0-10 VDC CONTROL SIGNAL (BY OTHERS)

WIRED TO A1 (+) AND AC (COMMON)

 

 

0 VDC=30 Hz

 

10 VDC=60 Hz

FOR ONE 0-10 SIGNAL, WIRE TO DRIVES IN PARALLEL SEE VFD INSTALLATION MANUAL FOR MORE DETAIL

FOR CONTINUOUS 60Hz OPERATION JUMPER TERMINALS A1 AND +V.

OPTION 2 - MULTI SPEED CONTROL

USER TO PROVIDE CONTACTS AND ISOLATION AS REQUIRED

S5 S6 SN

NEITHER S5 OR S6 CONTACT CLOSED

DRIVE SPEED = 60 Hz.

 

S5 TO SN CONTACT CLOSED (BY OTHERS)

 

DRIVE SPEED = 40 Hz.

OPTION 2 - MULTI SPEED CONTROL

USER TO PROVIDE CONTACTS

AND ISOLATION AS REQUIRED

S4 S5 SC NEITHER S4 OR S5 CONTACT CLOSED

DRIVE SPEED = 60 Hz.

S4 TO SC CONTACT CLOSED (BY OTHERS)

DRIVE SPEED = 40 Hz.

S5 TO SC CONTACT CLOSED (BY OTHERS)

DRIVE SPEED = 30 Hz.

SEE VFD INSTALLATION MANUAL FOR MORE DETAIL

TO CHANGE THE FACTORY SET Hz CHANGE THE FOLLOWING PARAMETERS.

S6 TO SN CONTACT CLOSED (BY OTHERS)

DRIVE SPEED = 30 Hz.

SEE VFD INSTALLATION MANUAL FOR MORE DETAIL

TO CHANGE THE FACTORY SET Hz CHANGE THE FOLLOWING PARAMETERS.

PARAMETER A1-01 CHANGE TO 2 PARAMETER D1-01 FOR NEW 60Hz SETTING PARAMETER D1-02 FOR NEW 40Hz SETTING PARAMETER D1-03 FOR NEW 30Hz SETTING PARAMETER A1-01 CHANGE TO 0

PARAMETER n01 CHANGE TO 1 PARAMETER n21 FOR NEW 60Hz SETTING PARAMETER n22 FOR NEW 40Hz SETTING PARAMETER n23 FOR NEW 30Hz SETTING PARAMETER n01 CHANGE TO 0

20

Page 20
Image 20
Greenheck Fan HRE-20, 90, 55, 45 manual Variable Frequency Drives for Blowers, Yaskawa Yaskawa E7

45, 55, 90, HRE-20 specifications

The Greenheck Fan HRE series, specifically the models HRE-20, HRE-90, HRE-55, and HRE-45, represents a blend of innovation and efficiency in the HVAC industry. Built for both commercial and industrial applications, these exhaust fans stand out due to their robust design and advanced operational features.

One of the main features of the HRE series is its energy-efficient motor design. These fans come equipped with a premium efficiency motor that reduces energy consumption while maintaining high performance. The motors are specifically designed to provide exceptional airflow while operating at lower sound levels, ensuring a quieter environment.

The HRE models also showcase advanced aerodynamic design, featuring optimized blade geometry that enhances airflow performance. This design ensures that the fans can deliver consistent and effective air movement even at varying operational conditions. This makes the HRE series suitable for use in a wide range of applications, from commercial kitchens to industrial processes.

Another significant characteristic of the HRE series is its durability. Constructed from high-quality materials, these fans are built to withstand harsh environmental conditions and prolonged usage. The robust casing and corrosion-resistant finishes ensure longevity, reducing the need for frequent repairs or replacements.

In terms of installation and maintenance, the HRE series offers significant advantages. The fans are designed for easy installation with clear mounting instructions. Additionally, maintenance procedures are simplified, allowing for hassle-free access to critical components, which reduces downtime and operating costs.

Technologically, the HRE models incorporate advanced controls and monitoring systems. These systems can offer real-time feedback on operational performance, allowing for proactive maintenance and energy management. Integrated controls can be customized to work with building management systems, providing users with seamless integration and control capabilities.

Overall, the Greenheck Fan HRE-20, HRE-90, HRE-55, and HRE-45 exemplify a commitment to quality and efficiency in commercial and industrial ventilation solutions. Their combination of energy efficiency, advanced design, durability, and user-friendly features make them a leading choice for those seeking reliable airflow solutions. These fans not only meet current industry standards but also set a benchmark for performance and innovation in the HVAC sector.