EHK Installation Manual

WIRING DIAGRAM FOR HEAT ACCESSORIES
482 01 2226 05
13
Specifications are subject to change without notice
EHK25AHCF, EHK30AHCF (Shipped three phase, see below.)
F = FUSED
328602−101 R E V . A
NOT E S :
COMPONENT ARRANGE ME NT
1.
Use C opper Wire (75°c Min) Only B etween Disconnect Switch
And Unit.
2. T o Be Wired In Accordance With Nec And Local Codes.
3. If Any Of The Original Wire, As Supplied, Must B e Replaced,
Use T he Same Or E quivalent T ype Wire.
4. 1 Phase Heaters Are Shown Wired For Single S upply Circuit.
5. Use 60 Amp Class K Fuses Only, F or R eplacement.
L EGEND
F U
G ND
HVTB
HTR
IDR
LINE FUS E
EQUIP ME NT GROUND
HIGH V OLTAGE
T ER M. BLOC K
HEATE R
IDE NTIFIE R RES IS TOR
R EC
T DR
R EC ITFIER
TIME DELAY R EC ITFIER
FIELD POWER WIR ING
MARK E D TERMINAL
PLUG AND R EC EPTACLE
S CHEMAT IC DIAGRAM S INGLE S UP P LY CIRCUIT
R ELAY 3R ELAY 1
6
8
1
0
R EC
2
4
R ELAY 2
T DR
6
8
1
0
2
4
6
8
1
0
2
4
P LUG 2
HTR1
HTR4
HTR3
HTR2
HTR 6
HTR5
L S
1
&
6
L S
4
&
3
L S
2
&
5
L1
L2
L3
HVTB
7119
HTR 6
B LK
8
LS6
Y E L
F U6
F U5
6
Y E L
B LK
HTR 5
B LK
4
LS5
2
RELAY 3
B LK
HTR 4
B LK
8
Y E L LS4
Y E L
6
B LK
HTR 3
B LK
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
B LK
Y E L
Y E L
B LK
B LK
B LK
F U4
F U2
F U3
F U1
R EC
22 VDC COIL
RELAY 1
O RN
V IO
2
35 8
T D R
R ELAY 2
22 VDC COIL
T D R
RELAY 3
22 VDC C OIL
164
G RY
R E D
B RN
B R N
F IE LD P OWER WIRING
DIS C ONNEC T P ER NEC
S E E R AT ING P LAT E
FOR V OLTS & HER T Z
L2
L1
S E E NOTE #1
HVTB
G ND
L3
IDR
T DR
Y E L
B LU
B LK
W HT or PNK
W HT or PNK
F U5
F U3
F U1
F U6
F U4
F U2
L5
L3
L1
L6
L4
L2
L A B E L (3) − 3P H A S E
H E A T E R V A : 5.1
EHK25AHCF, EHK30AHCF (Field Converted to single phase, see below.)
F = FUSED
8
Y E L
6
Y E L
L2
L1
Y E L
Y E L
Y E L
4
Y E L
Y E L
2
Y E L
Y E L
4
2
68
4
2
6
8
LS
1
&
6
L S
4
&
3
LS
2
&
5
4
2
0
1
8
6
4
2
0
1
8
6
T DR
4
2
0
1
8
6
Y E L
B LK
B LU
1
6
4
G R Y
IDR
Y E L
23
L1
L2
L3
L5
L3
L1
L6
L4
L2
NOTES:
1. Use Copper Wire (75º c 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.
328603-101 REV. A
LEGEND
CB
FU
GND
HVTB
HTR
IDR
CIRCUIT BREAKER
LINE FUSE
EQUIPMENT GROUND
HIGH VOLTAGE
TERM. BLOCK
HEATER
IDENTIFIER RESISTOR
REC
TDR
RECITFIER
TIME DELAY RECITFIER
FIELD POWER WIRING
MARKED TERMINAL
PLUG AND RECEPTACLE
BRN
BRN
RED
T D R
T D R
RELAY 3
22 VDC COIL
T D R
R E C
RELAY 1
RELAY 2
RELAY 3
RELAY 2
22 VDC COIL
HVTB
FU2
FU4
FU6
FU1
FU3
FU5
HTR6 HTR5
BLK
BLK
BLK
BLK
BLK
BLK
BLK
BLK
BLK
FU6
FU4
FU2
VIO
ORN
REC
RELAY 1
22 VDC COIL
WHT or PNK
WHT or PNK
BLK
BLK
BLK
BLK
BLK
BLK
RELAY 3
RELAY 2
RELAY 1
HTR 1
HTR 2
HTR 3
HTR 4
HTR 5
HTR 6
LS 6
LS 5
LS 4
LS 3
LS 2
LS 1
B LK
B LU
FU5
FU3
FU1
PLUG 2
9
11
7
5
8
30KW 1PH SCHEMATIC DIAGRAM
FIELD POWER WIRING
HVTB
GND
SEE RATING PLATE
FOR VOLTS & HERTZ
DISCONNECT PER NEC
SEE NOTE #1
COMPONENT ARRANGEMENT
HTR1
HTR4 HTR3 HTR2
L A B E L (3) − 1
P H A S E
H E A T E R V A : 5.1
International Comfort Products, LLC
Lewisburg, Tennessee 37091 USA