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Athena 2000 Series にも：操作マニュアル (16 ページ)

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Power Wiring

Circuits

CAUTION

Possible fire haz-

ard. Because

these controls or

associated equip-

ment may not

always fail safe,

an approved tem-

perature and/or

pressure safety

control should be

used for safe

operation.

Consult serial tag on the unit and select power wiring dia-

gram for the model specified. All wires are connected to the

terminals on the back of the case. Screw terminals are pro-

vided. Make appropriate connections using proper size wire

for rated controller load power circuits. (On -B output model,

use AWG #14 wire; for -F, -S and -T outputs use #14, 16, or

18 wire.) The unit can be supplied with 120 V or 240 Vac,

50/60 Hz. Select proper terminal for the voltage used.

Typical Wiring Diagrams

-T & -B Outputs

B-Type - 840 W maximum. 120 Vac heater. (Non-inductive

loads only) For larger loads, replace heater connections with

contactor, as required. Maximum inductive load rating is 3 A

at 120 V and 1.5 A at 240 V. The N.C. contacts can be used

for cooling.

T-Type - solid state relay with SPST contacts. The -T units can

handle contactors or resistive loads up to 1 A with 10 A

inrush maximum. For -T units use a 1 A, 250 V fast blow fuse.

-L Output (Limit Controller)

Wiring can be similar to that shown for "B." The controller's

relay is de-energized until the reset button on the front panel

is momentarily pressed. The relay will energize if the sensor

temperature is below setpoint. The common and N.C. termi-

nals can be used to indicate alarm condition remotely when

wired to lights, bell, etc.

Figure 2a: Typical 240 Vac for -B & -T Output