Greenheck vari-green Installation, Operation & Maintenance Manual
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Greenheck vari-green Installation, Operation & Maintenance Manual

Electronically commutated motor
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®
Installation, Operation and Maintenance Manual
Please read and save these instructions for future reference. Read carefully before attempting to assemble,
install, operate or maintain the product described. Protect yourself and others by observing all safety
information. Failure to comply with instructions could result in personal injury and/or property damage!
Vari-Green
®
Motor
The Vari-Green Motor is an electronically commutated
(EC) motor that uses AC input power and internally
converts it to a DC power supply which provides an
80% turndown capability and increased energy savings.
When using a clamp meter to measure input amp
draw, the meter must be capable of reading a
non-linear current. Erroneous readings will occur
otherwise.
®
NOTE
Vari-Green
Table of Contents
Reference part number listed in chart to locate specific motor
information page number.
HP Voltage * RPM
Range Encl. FLA
1/6
115
300-1725 TENV
1/4
115
300-1725
ODP
115/
1/4
300-1725
ODP
208-230
1/2
115
300-1725
ODP
115/
1/2
208-230 300-1725
ODP
1/2
115
300-2500
ODP
3/4
115
300-1725
ODP
115/
3/4
208-230 300-1725
ODP
3/4
115
300-2200
ODP
1
115
300-1725
ODP
115/
1
300-1725
ODP
208-230
115/
1
300-1725 TEFC 12.0/6.0
208-230
2
208-230 300 - 1725 TEFC
* Actual maximum RPM may vary. See RPM column in chart on
pg. 10 for specific motor and fan combinations.
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
Maximum RPM Table . . . . . . . . . . . . . . . . . . . . . . . 10
Document 473681
®
Motor and Controls
Control
Motor
Part No. Pg.
Method
3.1
0-10V Only
311352
3.1
Pot Only
311353
311731
3.4
Pot/0-10V
312359
3.9
0-10V Only
310107
3.9
Pot Only
310108
3.7
Pot/0-10V
311377
3.3/1.8
Pot/0-10V
310175
6.2
0-10V Only
309025
6.2
Pot Only
309028
6.7
Pot/0-10V
311812
6.8/3.5
Pot/0-10V
310176
6.5
0-10V Only
310307
6.5
Pot Only
310476
6.5
Pot/0-10V
312360
10.1
0-10V Only
309026
10.1
Pot Only
309029
311388
10.6
Pot/0-10V
312619
9.0/4.9
Pot/0-10V
310177
11.3
0-10V Only
310306
11.3
Pot Only
310475
11.3
Pot/0-10V
312361
310359
12.4
Pot/0-10V
312362
11.4/6.3
Pot/0-10V
310178
Pot/0-10V
311156
12.0
Pot/0-10V
310420
Vari-Green Motor
2
2
3
3
2
2
3
6
2
2
3
6
2
2
3
2
2
3
3
6
2
2
3
3
3
6
4
4
1

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Summary of Contents for Greenheck vari-green

  • Page 1 Vari-Green ® Motor Table of Contents The Vari-Green Motor is an electronically commutated Reference part number listed in chart to locate specific motor information page number. (EC) motor that uses AC input power and internally converts it to a DC power supply which provides an...

  • Page 2: Operation And Wiring

    0-10 VDC and 24V signal for speed control. NOTE: The motor will not operate without the proper control voltages. Transformer Assembly Fig. 1 0-10 VDC External connection with factory mounted transformer Vari-Green Motor ®...

  • Page 3: Troubleshooting

    2. Make sure motor is receiving 10 VDC, if applicable. 3. There are some motor/fan combinations where the motor may not reach nameplate RPM. See Max RPM table on page 10 for the maximum motor speed for your application. Vari-Green Motor ®...
  • Page 4 Turning the dial full CCW will turn the motor off. 0-10 VDC Signal - From 0-1.9V, the motor will be off, and will operate in the 2-10V range. This motor does not require 24V power for operation. 208-240V Connection inside control box Vari-Green Motor ®...

  • Page 5: Motor Rotation

    9 and 10. The motor will not run without this jumper Rotation selection wires inside control box in place. 5. Verify that the two yellow wires coming from the motor are in place on terminals 5 and 6. Vari-Green Motor ®...
  • Page 6 Turning the dial full CCW will turn the motor off. A 16-pin connector with two jumper wires must be installed for the dial to function. (p/n 384962) See image below. Vari-Green Motor ®...
  • Page 7 Constant Pressure and Air Quality families of controls, have their own ® manual that ship with the controller. They can also be found on Greenheck.com. See table on page 9 for document numbers. Remote Dial Assembly...
  • Page 8 Constant Pressure Temperature/Humidity 3. To test fan operation before the external control devices are installed, a jumper wire can be connected between the COM and A or B terminal on the dry contact input for fan operation. Vari-Green Motor ®...

  • Page 9: Maintenance

    ® Vari-Green motors use brushless technology with sealed bearings. No routine maintenance is required other than keeping any debris from accumulating on the motor and controls. Other Vari-Green ® Control Instruction Manuals Description Document Number Indoor Air Quality - VOC...
  • Page 10 1725 14-432 1725 1725 LD/LDP Max RPM Motor HP 14-436 1725 1725 80-95 1725 14-440 1725 1500 1725 16-421 1725 1725 1725 16-426 1725 1140 16-428 1725 1300 16-436 1725 1725 18-424 1725 18-429 1725 20-420 1725 Vari-Green Motor ®...
  • Page 11 Vari-Green Motor ®...

  • Page 12: Our Commitment

    Our Commitment As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications without notice. Specific Greenheck product warranties can be located on greenheck.com within the product area tabs and listed in the Library under Warranties.

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