Description
Tjernlund VFD-Series Drives from Yaskawa are pulse width modulated to generate an adjustable voltage to frequency three phase output for complete
speed control of Tjernlund Auto-Draft® Series Commercial Ventilation and Draft Systems. All Drives are factory programmed for the Inducer or Blower
they are controlling and specific mode of operation.
An Automatic-Variable Speed system includes a closed loop VFD, CPC-3 Constant Pressure Controller, TD-Series Pressure Transducer and an Auto-
Draft® Inducer or Universal Blower. This system will automatically adjust the Inducer/Blower speed based on the pressure in the stack or room to always
deliver perfect draft or combustion air. Closed loop VFD’s include 10’ quick connect cable to connect VFD and Inducer/Blower limit circuits to CPC-3.
An Adjustable-Fixed Speed system includes an an open loop VFD and an Auto-Draft® Inducer or Universal Blower. Inducer/Blower speed is manually
adjusted by the installer with the VFD. Open loop VFD’s include a Relay for easier interlock with the UC1 Universal Control.
Construction
The housing is constructed from 18 gauge aluminized steel and is coated with an industrial powder coating. It has NEMA class 1 construction.
Listings
UL, ULc and CE compliant.
FIGURE 8061003
MOTOR DRIVE (VFD)
7.75"
15.25"
11.5"
SIDE VIEW
FRONT VIEW
Tjernlund Products, Inc. • 1601 Ninth Street • White Bear Lake, MN 55110 • (651) 426-2993 • (800) 255-4208 • FAX (651) 426-9547 • www.tjernlund.com
P/N 8513014 REV A 12/04
VFD MODEL
MODEL USED
WITH
INPUT VOLTAGE (ALL DRIVES
PRODUCE 3 PHASE OUTPUT)
HP
3 PHASE
AMPS
VFD-1/2H1A82C3 VSAD8-230
208-230 Volt Single or 3 Phase
1/2 HP 3.0
VFD-1/2H1A84C3 VSAD8-460A
460 Volt 3 Phase
1/2 HP 1.2
VFD-1H1A81C3
VSAD8-230
115 VAC input/230 Volt 3 Phase Output
1 HP
5.0
VFD-1H1A101C3 VSAD10-230
115 VAC input/230 Volt 3 Phase Output
1 HP
5.0
VFD-1H1A102C3 VSAD10-230
208-230 Volt Single or 3 Phase
1 HP
5.0
VFD-1H1A104C3 VSAD10-460A
460 Volt 3 Phase
1 HP
3.4
VFD-2H1A122C3 VSAD12-230
208-230 Volt Single or 3 Phase
2 HP
8.0
VFD-2H1A124C3 VSAD12-460A
460 Volt 3 Phase
2 HP
3.4
VFD-1/2H1A82O3 VSAD8-230
208-230 Volt Single or 3 Phase
1/2 HP 3.0
VFD-1/2H1A84O3 VSAD8-460A
460 Volt 3 Phase
1/2 HP 1.2
VFD-1H1A81O3
VSAD8-230
115 VAC input/230 Volt 3 Phase Output
1 HP
3.0
VFD-1H1A1O1O3 VSAD10-230
115 VAC input/230 Volt 3 Phase Output
1 HP
5.0
VFD-1H1A102O3 VSAD10-230
208-230 Volt Single or 3 Phase
1 HP
5.0
VFD-1H1A104O3 VSAD10-460A
460 Volt 3 Phase
1 HP
3.4
VFD-2H1A122O3 VSAD12-230
208-230 Volt Single or 3 Phase
2 HP
8.0
VFD-2H1A124O3 VSAD12-460A
460 Volt 3 Phase
2 HP
3.4
VFD-5H2A122C3 (2) VSAD12-230
208-230 Volt Single or 3 Phase
5 HP
17.5
VFD-5H2A124C3 (2) VSAD12-460A 460 Volt 3 Phase
5 HP
8.6
VFD-1/2H1U82C3 VSUB8
208-230 Volt Single or 3 Phase
1/2 HP 3.0
VFD-1/2H1U84C3 VSUB8
460 Volt 3 Phase
1/2 HP 1.2
VFD-1H1U81C3
VSUB8
115 VAC input/230 Volt 3 Phase Output
1 HP
5.0
VFD-1H1U121C3 VSUB12
115 VAC input/230 Volt 3 Phase Output
1 HP
5.0
VFD-1H1U122C3 VSUB12
208-230 Volt 3 Phase
1 HP
5.0
VFD-1H1U124C3 VSUB12
460 Volt 3 Phase
1 HP
3.4
VFD-2H1U162C3 VSUB16
208-230 Volt 3 Phase
2 HP
8.0
VFD-2H1U164C3 VSUB16
460 Volt 3 Phase
2 HP
3.4
VFD-3H1U202C3 VSUB20
208-230 Volt 3 Phase
3 HP
11.0
VFD-3H1U204C3 VSUB20
460 Volt 3 Phase
3 HP
4.8
VFD-1/2H1U82O3 VSUB8
208-230 Volt Single or 3 Phase
1/2 HP 3.0
VFD-1/2H1U84O3 VSUB8
460 Volt 3 Phase
1/2 HP 1.2
VFD-1H1U81O3
VSUB8
115 VAC input/230 Volt 3 Phase Output
1 HP
3.0
VFD-1H1U121O3 VSUB12
115 VAC input/230 Volt 3 Phase Output
1 HP
5.0
VFD-1H1U122O3 VSUB12
208-230 Volt 3 Phase
1 HP
5.0
VFD-1H1U124O3 VSUB12
460 Volt 3 Phase
1 HP
3.4
VFD-2H1U162O3 VSUB16
208-230 Volt 3 Phase
2 HP
8.0
VFD-2H1U164O3 VSUB16
460 Volt 3 Phase
2 HP
3.4
VFD-3H1U202O3 VSUB20
208-230 Volt 3 Phase
3 HP
11.0
VFD-3H1U204O3 VSUB20
460 Volt 3 Phase
3 HP
4.8
Submitt
Submitt
al Dat
al Dat
a Sheet
a Sheet
VFD-SERIES V
VFD-SERIES V
ARIABLE FREQUENCY
ARIABLE FREQUENCY
DRIVES
DRIVES
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