EHK Installation Manual

WIRING DIAGRAM FOR HEAT ACCESSORIES
482 01 2226 05
12
Specifications are subject to change without notice
EHK18AHN
THREE PHASE, N = NON−FUSED
328615−101 R E V . A
NOT E S :
C OMPONENT AR R ANGEMENT
HTR 1
HTR4
HTR3
HTR2
HTR 6
HTR5
L S
1
&
6
L S
4
& 3
L S
2
&
5
4
2
0
1
8
6
T DR
4
2
0
1
8
6
T DR
R ELAY 2
4
2
R EC
0
1
8
6
RELAY 1
R ELAY 3
L EGEND
G ND
HVTB
HTR
E QUIPME NT GROUND
HIGH V OLTAGE
T ERM. BLOCK
HE ATE R
R EC
T DR
RECIT F IER
TIME DELAY R EC ITFIER
FIELD POWER WIR ING
MARKED TERMINAL
P LUG AND RECEP TACLE
S CHEMAT IC DIAGRAM S INGLE SUP P LY CIRCUIT
B LK
B LU
Y E L
R ELAY 3
22 VDC COIL
T D R
R ELAY 2
22 V DC C OIL
T D R
B R N
B RN
G R Y
R ED
HTR 6
B LU
8
LS6
Y E L
6
B LU
HTR 5
B LK
4
LS5
2
RELAY 3
B LK
HTR 4
B LK
8
LS4
6
B LK
HTR 3
B LU
4
LS3
2
RELAY 2
B LK
HTR 2
B LK
8
Y E L
LS2Y E L
6
B LK
HTR 1
B LK
4
LS1
2
RELAY 1
Y E L
FIELD POWER WIRING
DISCONNEC T PER NEC
S E E RATING P LATE
FOR V OLTS & HERTZ
B LK
L2
L1
S EE NOTE #1
HVTB
L3
B LU
B LU
Y E L
B LU
B LU
9
11 7
1
6
4
P LUG 2
G ND
RELAY 1
22 V DC C OIL
V IO
O R N
R EC
23
L A B E L ( 3
)
H E A T E R V A : 5.1
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. 1 Phase Heaters Are Shown Wired For Single Supply Circuit.
5. Use 60 Amp Class K Fuses Only, For Replacement.
EHK09AKCN (Field Convertible to three phase.)
N = NON−FUSED
NOT E S :
328606−101 R E V . A
S CHEMAT IC DIAGR AM S INGLE SUP P LY CIRCUIT
COMPONENT ARRANGE ME NT
L EGEND
G ND
HTR
IDR
EQUIP ME NT GROUND
HEATE R
IDE NTIFIE R RES IS TOR
R EC R EC ITFIER
FIELD POWER
W IR ING
MARK E D TERMINAL
PLUG AND R EC EPTACLE
9
11 7
B LK
B LU
Y E L
HTR 3
B LK
4
LS3
Y E L
4
B LU
HTR 2
B LU
6
LS2
8
RELAY 2
HTR 1
B LK
2
LS1
2
B LK
FIE LD P OWER WIRING
DIS C ONNEC T P ER NECS E E R AT ING P LAT E
FOR V OLTS & HER T Z
G ND
B LK
L2
L1
S EE NOTE #1
L3
Y EL
B LU
B LU
RELAY 1
Y E L
B LU
B LU
R E LAY 2
Y E L
58
O R N ORN
P LUG 2
IDR
LS1
HTR 1
LS 3
HTR3
LS2
HTR 2
RELAY 1
6
8
1
0
R EC
2
4
R ELAY 2
6
8
1
0
2
4
22 V DC C OIL
2
3
V IO
O R N
RELAY 1
R EC
R EC
1
RELAY 2
22 VDC COIL
R E C
B R NR ED
L A B E L (3)
H E A T E R V A : 5.1
FOR 3 PHASE WIRING
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.
Denotes wire to be moved for 3 phase
conversion. Dashed wire (- - -) indicates
wiring after conversion.
1. Disconnect BLUE wire from limit switch
3(LS3), cut, strip, and connect to field wire L3.
2. Disconnect YELLOW wire from LS1 and
connect to LS3.
3. Disconnect BLUE wire from relay 2 terminal
2 and connect to LS1.