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Wiring diagrams, Figure i, Figure j – Chromalox PF479-6 User Manual

Page 6: Figure k, Figure m, Figure o, Figure l, Figure n, Figure p

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6

WIRING DIAGRAMS

C1

T1 T2 T3

L1

L3

1 Phase 2 Or 3 Elem

Optional

Thermostat

Built-in Or

Field Installed

Optional Disconnect Switch
Built-in Or Field Installed

C1

T1 T2 T3

Motor

1Ø Or 3Ø

Standard Motor Connection

Optional
Summer Fan Switch
Built-in Or Field
Installed

Motor

1Ø Or 3Ø

C1

T1 T2 T3

L1 L2 L3

Power
60 HZ

To Element Wiring

3Ø Wiring Only

Cutout

1

2

3

8

9

7

10 11
12

C1

C3

C3

Optional

Fan Relay

Built-in Or

Field

Installed

C2

34-43,35-43 34-45,35-45

T1 T2 T3

Field Installed
Built-in Or Field Installed
Factory Wiring

C1

T1 T2 T3

3 Phase Delta

L1L2L3

Figure I

C2

L2

L1

L3

C1

Contactor (Typ.)

Fuses

(When Req'd)

T1 T2 T3

AL3

AL2

AL1

BL1

BL2

BL3

3 Phase,

60 HZ Power

T3

T2

T1

Stage 2

Elements

Fuses

KTK-3

Motor

3o

Stage 1

Elements

Cutouts

XFMR

X1

X2

H2

H1

Optional Disconnect

Switch Built-in Or

Field Installed

Optional

Thermostat

Built-in Or Field Installed

Built-in Or Field Installed
Factory Wiring

Transformer Color Code Index

30-00, 32-00 30-40, 32-40

PRI.
VOLT.

PRI. XFMR

LEAD CLRS.

120V SEC.

LEAD CLRS.

24V SEC.

LEAD CLRS.

208

240

480

H1

BLK

BLK

BLK

H2

RED

ORG

BLK/RED

X1

BLK

BLK

BLK

X2

WHT

WHT

WHT

X1

YEL

YEL

YEL

X2

BLU

BLU

BLU

Field Installed

Figure J

L1

Contactor

(Typ.)

Fuses

(When Req'd)

AL3

AL2

AL1

BL1

BL2

BL3

Optional Summer
Fan Switch
Built-in Or
Field Installed

Stage 2

Elements

Motor

Cutouts

XFMR

X1

X2

H2

H1

Optional Disconnect
Switch Built-in Or
Field Installed

PRI.

VOLT

PRI.

LEAD

XFMR

CLRS

120V
LEAD

SEC.

CLRS.

24V

LEAD

SEC.

CLRS.

H1

BLK

BLK

208

240

Transformer Color Code Index

30-41, 30-42, 30-44

32-41, 30-42, 32-44

H2

RED

ORG

X1

BLK

BLK

X2

WHT

WHT

X1

YEL

YEL

X2

BLU

BLU

C2

T3

T2

T1

C1

T3

T2

T1

L2 L3

1

2

3

8

9

7

10

11

12

Stage 1

Elements

Motor

3 Phase,

60 HZ Power

Optional
Thermostat
Built-in Or
Field Installed

C1

T1 T2

T3

C2

T1 T2

T3

To Elements

Stage 1

To Elements

Stage 2

Standard Motor Connection

Built-in Or Field Installed

Factory Wiring

Fuses KTK-3

Note: Heater requires
Fan Relay for 480V
Motors. (See Figure L)

Figure K

C2

L2

L1

L3

C1

Contactor (Typ.)

Fuses

(When Req'd)

T1 T2 T3

AL3

AL2

AL1

BL1

BL2

BL3

3 Phase,

60 HZ Power

T3

T2

T1

Stage 2

Elements

Fuses

KTK-3

Motor

Stage 1

Elements

Cutouts

Optional Disconnect

Switch Built-in Or

Field Installed

31-00, 33-00 31-40, 33-40

C3
C2

C1

Control Power

(By Others)

Optional Thermostat
Built-in Or
Field Installed

Field Installed
Built-in Or Field Installed
Factory Wiring

Figure M

Field Installed
Built-in Or Field Installed
Factory Wiring

Stage 2

Elements

Motor

Stage 1

Elements

Contactor

C1

C2

T1T2T3

T1T2T3

Fuses KTK-3

Fuses

(When Req'd)

BL1

BL2

BL3

L2

L1

L3

3 Phase

60 HZ Power

AL1

AL2 AL3

31-43,33-43 31-45,33-45

Fan Relay

C3

Optional Disconnect

Switch Built-in Or

Field Installed

For Use With 480V

Cutouts

C4

C1

Control Power

(By Others)

Optional Thermostat
Built-in Or
Field Installed
(Single Stage)

Contactor

C2

C3

1

2

3

8

9

7

10 11
12

Summer Fan Switch

Motor

C1

T1T2T3

C2

T1T2T3

Contactor

C2

Standard Motor Connection

Figure O

Field Wiring
Built-in Or Field Installed
Factory Wiring

Stage 2

Elements

Motor

Stage 1

Elements

Contactor

C1

C2

T1T2T3

T1T2T3

Fuses KTK-3

Fuses

(When Req'd)

BL1

BL2

BL3

L2

L1

L3

3 Phase

60 HZ Power

AL1

AL2 AL3

30-43,32-43 30-45,32-45

Fan Relay

C3

Optional Disconnect
Switch Built-in Or
Field Installed

For Use With 480V

Cutouts

C1

Optional Thermostat
Built-in Or
Field Installed

Contactor

C2

C3

1

2

3

8

9

7

10 11
12

Summer Fan Switch

Motor

C1

T1T2T3

C2

T1T2T3

Contactor

C2

Standard Motor Connection

X2

H2

H1

X1

Transformer Color Code Index

XFMR

PRI.
VOLT.

PRI. XFMR

LEAD CLRS.

120V SEC.

LEAD CLRS.

24V SEC.

LEAD CLRS.

208

240

480

H1

BLK

BLK

BLK

H2

RED

ORG

BLK/RED

X1

BLK

BLK

BLK

X2

WHT

WHT

WHT

X1

YEL

YEL

YEL

X2

BLU

BLU

BLU

Figure L

L1

Contactor

(Typ.)

Fuses

(When Req'd)

AL3

AL2

AL1

BL1

BL2

BL3

Optional Summer
Fan Switch
Built-in Or
Field Installed

Stage 2

Elements

Cutouts

C3

Optional Disconnect
Switch Built-in Or
Field Installed

31-41, 33-41 31-44, 33-44

C2

T3

T2

T1

C1

T3

T2

T1

L2 L3

1

2

3

8

9

7

10

11

12

Stage 1

Elements

Motor

3 Phase,

60 HZ Power

Motor

C2

To Elements

Stage 1

To Elements

Stage 2

Standard Motor

Connection

C1

C2

C1

Optional Thermostat
Built-in Or
Field Installed

Note: Heater Requires
Fan Relay For 480V Motors
(See Fig. O)

Fuses KTK-3

Field Wiring

Built-in Or Field Installed
Factory Wiring

Control Power

(By Others)

Figure N

C2

C1

Contactor (Typ.)

Fuses

(When Req'd)

Fused Switch

(By Others)

AL3

AL2

AL1

3 Phase,

60 HZ Power

Stage 2

Elements

Fuses

KTK-3

Motor

Stage 1

Elements

Cutouts

2 Stage Thermostat

(By Others)

34-00, 35-00, 34-40, 35-40

Customer Wiring

Factory Wiring

Stage 1

Stage 2

C1

C2

C3

BL3

BL2

BL1

3 Phase,

60 HZ Power

Warning - First Stage Of Thermostat Must
Be Connected To Terminals C1 & C2 To
Insure That Motor Will Be Energized With
First Stage Heat Operation

C1

C2

C3

Alternate

1 Stage

Thermostat
(by Others)

Figure P