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EFR
5
9
Eaton
VFD
1
24V
2
DI1
6
7
AI1
0V
(DC1)
EFM
2
T1
T2
T3
L3
L2
L1
MSP
BK‐&
BL‐&
R‐&
VFD
L2
W
L3
U
L1
V
GR
G‐&
BK‐&
BL‐&
R‐&
G
C
EFR
14
13
SEE CONDENSER UNIT
24V CONTROL
TERMINAL BOARD
O
O
EXHAUST FAN RELAY
MOTOR STARTER PROTECTION
VARIABLE FREQUENCY DRIVE
EXHAUST FAN MOTOR
FIELD POWER SUPPLY 208/230/460-3-60. MINIMUM CIRCUIT AMPACITY AND MAXIMUM SIZE AND TYPE OF BRANCH-CIRCUIT
SHORT-CIRCUIT AND GROUND-FAULT PROTECTION PER UNIT RATING PLATE. PROVIDE DISCONNECTING MEANS AS
REQUIRED.
1
TYPICAL MOTOR SHOWN. SEE WIRING CONNECTION DIAGRAM ON MOTOR FOR ACTUAL WIRING DETAIL.
2
‐A2
+A2
SEE CONDENSER UNIT
TERMINAL BOARD
Use this wiring diagram when VFD (Variable Frequency Drive) is controlled by the ALC controller or Customer
DDC controller. The Differential Pressure Transmitter should be wire directly to the ALC/DDC Controller. See
condenser unit wiring diagram.
DS
LWF
WIRING DIAGRAM# 0962I-4241A.Rev.J, VFD-CONTROL KIT, Sheet 2 of 2 08/15/18 DWN_____ CHK_____
BLOWER MOTOR MINIMUM WIRE SIZE
HP
208/230 VOLT
460 VOLT
1/2 THRU 3 14 AWG
14 AWG
5
12 AWG
14 AWG
7-1/2
10 AWG
14 AWG
10
8 AWG
12 AWG
15 6AWG 12AWG
1
EGB
L1
L2
L3
GRD
OPTIONAL
DISCONNECT
SWITCH
(TYPICAL)
EGB
EFM
2
T1
T2
T3
L3
L2
L1
MSP
BK‐&
BL‐&
R‐&
VFD
L2/N
W
U
L1
V
GR
G‐&
BK‐&
BL‐&
L1
L2
MOTOR STARTER PROTECTION
VARIABLE FREQUENCY DRIVE
EXHAUST FAN MOTOR
1
BL‐&
FIELD POWER SUPPLY SINGLE
PHASE WITH SF MOTOR 3 PHASE
1
Settings:
Eaton DC1
Parameter
Setting
P-03
30
Acceleration
P-04
30
Deceleration
P-05
0
Stop mode
P-08 Set Per Name Plate Motor Current
P-14
101
Password
P-15
4
DI Config Select
All Other Setting Should be left at the default
setting. Consult the DC1 Application Manual
Figure 13b: VFD Control Kit Wiring
RC/FC Series Installation, Operation, and Maintenance Manual