Chromalox HVH-TK6 Установка, эксплуатация и обновление Идентификация деталей - Страница 3

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Figure 5
208-277V 1Ø or 3Ø with contactor
Figure 6
208-480V 1Ø or 3Ø
with contactor and transformer
Figure 7
1Ø or 3Ø with optional external 24
or 120V control using single
pole thermostat
WIRING DIAGRAMS (cont'd.)
Motor
T1
T2
Terminal
Block
L1
L2
Optional Disconnect
Switch Built in or
field installed
Power
60 Hz
Optional Thermostat
See Note #2
Built in or field installed
Motor
T1
T2
T3
Terminal
Block
L1
L2
L3
Optional Disconnect
Switch Built in or
Remove jumper wire when
field installed
Power 60 Hz
Optional Thermostat Built in or field installed
Motor
T1
T2
T3
Terminal
Block
L1
L2
L3
Optional Disconnect
Switch Built in or
field installed
Power 60 Hz
Optional Thermostat
Built in or field installed
3Ø Wiring
TO T1
TO T1
TO T2
TO T3
TO T3
TO T2
Purple
Orange
T3
C1
C2
C3
L3
Pink
Remove jumper wire when thermostat is used
3Ø Wiring
TO T1
TO T1
TO T2
TO T3
TO T3
TO T2
Sec
X1 X2
C1
C2
C3
H1 H2
Pink
themostat is used
3Ø Wiring
TO T1
TO T1
TO T2
TO T3
TO T3
TO T2
Remove jumper wire when
thermostat is used
NOTE:
C1
C2
C3
1. Omit "L3" wiring for 1Ø heaters
Externally provided control voltage.
See nameplate for voltage
1Ø Wiring
To T1 To T1 To T1
Elements
To T2 To T2 To T2
NOTE: Omit "L3" wiring for 1Ø heaters
Cutout
1Ø Wiring
To T1 To T1 To T1
Elements
To T2 To T2 To T2
TRANSFORMER COLOR CODE INDEX
PRI.
120V SEC.
PRI. XFMR
24V SEC.
VOLT
LEAD CLRS
LEAD CLRS LEAD CLRS
H1
H2
X1
X2
X1
X2
208
BLK
RED
BLK
WHT
YEL
BLU
240
BLK
OR
BLK
WHT
YEL
BLU
277
BLK
BR
BLK
WHT
YEL
BLU
480
BLK
BLK/RED
BLK
WHT
YEL
BLU
575
BLK
GRA
BLK
WHT
YEL
BLU
NOTE:
1. Omit "L3" wiring for 1Ø heaters
2. 3Ø Motors used on all 480V, 7.5 kW or higher
heaters. All other heaters use 1Ø motors.
1Ø Wiring
To T1 To T1 To T1
Elements
To T2 To T2 To T2
Cutout