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Part number HA028582. Issue 6.0 May-07 21
2.14
Controller Power Supply
1.
Before connecting the controller to the power
line, make sure that the line voltage corresponds
to the description on the identification label.
2.
Use copper conductors only.
3.
The power supply input is not fuse protected.
This should be provided externally.
4.
For 24V the polarity is not important.
•
High voltage supply: 100 to 240Vac, -15%, +10%,
50/60 Hz
•
Low voltage supply: 24Vac/dc, -15%, +10%
•
Recommended external fuse ratings are as follows:-
For 24 V ac/dc, fuse type: T rated 2A 250V
For 100-240Vac, fuse type: T rated 2A 250V.
2.15
Example Wiring Diagram
This example shows a heat/cool temperature controller
where the heater control uses a SSR and the cooling
control uses a relay.
Safety requirements for permanently connected
equipment state:
•
A switch or circuit breaker shall be included in the
building installation
•
It shall be in close proximity to the equipment and
within easy reach of the operator
•
It shall be marked as the disconnecting device for
the equipment.
Note: a single switch or circuit breaker can drive more
than one instrument.
Line
Neutral
Power Supply
L
N
N
Heater
fuse
Relay
output
fuse
Controller fuse
Heater
T/C
Solid State
Relay
(e.g. TE10)
Snubber
L
+
-
Cooling
relay
J
J
CT
C
LA
HD
HE
HF
AA
AB
AC
VI
V+
V-
1A
1B
2A
2B
L
N
Содержание 3200
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