EHK Installation Manual

WIRING DIAGRAM FOR HEAT ACCESSORIES
482 01 2226 05
11
Specifications are subject to change without notice
EHK20AKF/B
F = FUSED, B = CIRCUIT BREAKER
328604−101 R E V . A
NOT E S :
C OMPONENT AR R ANGEMENT
H E A T E R V A : 5.1
1.
Use Copper Wire (75°c Min) Only B etween Disconnect S witch
And Unit.
2. T o Be Wired In Accordance With Nec And Local C odes.
3. If Any Of T he Original Wire, As S upplied, Must B e Replaced,
Use The S ame Or Equivalent Type Wire.
4. 1 Phase Heaters Are Shown Wired F or S ingle S upply Circuit.
5. Use 60 Amp Class K F uses Only, For Replacement.
L EGEND
C B
F U
G ND
HVT B
HTR
CIRCUIT BRE AK E R
LINE FUSE
E QUIPME NT GROUND
HIGH VOLTAGE
T ERM. BLOCK
HEATE R
IDR
R EC
T DR
IDE NTIFIE R RES IS TOR
R EC ITFIER
T IME DELAY RECIT F IER
FIELD POWER WIR ING
MARKED TERMINAL
PLUG AND R EC EPTACLE
L4 L3
C B1
60A 60A
L2
L1
C B2
60A 60A
S CHEMAT IC DIAGRAM S INGLE SUP P LY CIRCUIT
HTR1
HTR 3
HTR2
HT R4
LS1
LS2
LS 3
&
4
RELAY 3
RELAY 1
6
8
1
0
R EC
2
4
R ELAY 2
T DR
6
8
1
0
2
4
R EC
6
8
1
0
2
4
9
11
7
P LUG 2
FIELD POWER WIR ING
DIS CONNECT P E R NEC
S E E RATING PLATE
FOR V O LTS & HERTZ
G ND
L4
L2
L1
L3
HTR4
B LK
4
Y EL
LS4
Y EL
2
B LK
HTR3
B LK
8
LS 3
6
RELAY 2
B LK
HTR2
B LK
4
Y E L
LS2
Y E L
2
Y E L
B LK
HTR1
B LK
4
LS1
2
RELAY 1
B LK
F U4
F U2
L2
C B1
L4
C B2
F U1 F U3
L3
C B1
L1
C B2
INTERNAL P R OTE CT ION
MAY B E EITHE R F US ES OR
C IR CUIT BREAKER S
SE E NOTE #1
B LK
B LU
R ELAY 3
RELAY 2
58
B LU
BLU
Y E L
B LK
B LU
Y E L
2
3
V IO
O R N
RELAY 1
R EC
22 VDC COIL
1
6
4
R E C
T D R
R ED
B RN
B R N
G RY
R ELAY 3
22 VDC COIL
R ELAY 2
22 VDC COIL
IDR
L1
L2
L4
F U3
F U1
F U2
F U4
L3
L A B E L (3)
EHK15AHN
THREE PHASE, N = NON−FUSED
NOT E S :
328614−101 R E V . A
S CHEMAT IC DIAGR AM S INGLE SUP P LY CIRCUIT
COMPONENT ARRANGE ME NT
L EGEND
G ND
HTR
R EC
T DR
E QUIPME NT GROUND
HE ATE R
R EC ITIFIER
T IME DELAY RECIT IF IER
FIELD POWER WIR ING
MARKED TERMINAL
PLUG AND R EC EPTACLE
HTR 1 HTR 3
HTR2
LS1
LS2
LS3
R ELAY 1
6
8
1
0
R EC
2
4
RELAY 2
T DR
6
8
1
0
2
4
9117
2
3164
B LK
B LU
Y E L
P LUG 2
HTR 3
B LK
8
LS3
6
HTR 2
B LK
4
LS2
2
RELAY 2
HTR 1
B LK
4
LS1
2
FIELD POW ER W IRING
DIS CONNECT P E R NEC
S E E RATING P LATE
FOR V OLTS & HERTZ
G ND
L2
L1
SE E NOTE #1
L3
RELAY 2
RELAY 1
Y EL
B LK
B LK
B LK
B LU
B LU
V IO
O R N
R ELAY 1
22 V DC C OIL
R EC
R ELAY 2
22 VDC COIL
T D R
B R NR ED
Y E L
B LU
B LK
B LU
L A B E L ( 3
)
H E A T E R V A : 3.4
1. Use Copper Wire (75ºc Min) Only Between Disconnect Switch And Unit.
2. To Be Wired In Accordance With Nec And Local Codes.
3. If Any Of The Original Wire, As Supplied, Must Be Replaced, Use The Same Or Equivalent Type Wire.
4. Use 60 Amp class K Fuses Only, For Replacement.