Chromalox PF479-6 Air Conditioner User Manual


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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 T2T3
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 T2T3
3 Phase Delta
L1L2L3
Figure I
C2
L2
L1
L3
C1
Contactor (Typ.)
Fuses
(When Req'd)
T1 T2T3
AL3
AL2
AL1
BL1
BL2
BL3
3 Phase,
60 HZ Power
T3T2T1
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
3Ø
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
T3T2T1
C1
T3T2
T1
L2 L3
1
2
3
8
9
7
10
11
12
Stage 1
Elements
Motor
3Ø
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 T2T3
AL3
AL2
AL1
BL1
BL2
BL3
3 Phase,
60 HZ Power
T3T2T1
Stage 2
Elements
Fuses
KTK-3
Motor
3Ø
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
3Ø
Stage 1
Elements
Contactor
C1
C2
T1T2T3
T1T2T3
Fuses KTK-3
Fuses
(When Req'd)
BL1
BL2
BL3
L2L1 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
3Ø
C1
T1T2T3
C2
T1T2T3
Contactor
C2
Standard Motor Connection
Figure O
Field Wiring
Built-in Or Field Installed
Factory Wiring
Stage 2
Elements
Motor
3Ø
Stage 1
Elements
Contactor
C1
C2
T1T2T3
T1T2T3
Fuses KTK-3
Fuses
(When Req'd)
BL1
BL2
BL3
L2L1 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
3Ø
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
T3T2T1
C1
T3
T2
T1
L2 L3
1
2
3
8
9
7
10
11
12
Stage 1
Elements
Motor
3Ø
3 Phase,
60 HZ Power
Motor
3Ø
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
C2C1
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
3Ø
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
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