5-6
BE1-49 Operational Test
Step 4. Set resistor decade box for minimum resistance.
Step 5. With relay connecting plug(s) in place, apply appropriate operating power to relay.
Step 6. Refer to Figure 5-2, Temperature/Resistance, to obtain resistance value for lower trip point.
Step 7. Set decade box for resistance value obtained in step 6.
Step 8. Slowly adjust LOWER TEMP LIMIT °C control counter-clockwise until trip indication in chart below
is observed. The lower temperature limit trip point is now selected.
Lower Temperature Limit Trip Point Selection, Step 8
OUTPUT
OPTION
C
D
F
H
J
N
P
R
S
T
DS1
ON
ON
ON
OFF
ON
OFF
ON
OFF OFF
ON
Step 9. Refer to Figure 5-2, Temperature/Resistance to obtain resistance value for upper temperature limit
trip point.
Step 10. Set resistor decade box for resistance obtained in Step 9.
Step 11. Slowly adjust UPPER TEMP LIMIT °C control counter-clockwise until trip indication in chart below
is observed. The upper temperature limit trip point is now selected.
Upper Temperature Limit Trip Point Selection, Step 11
OUTPUT
OPTION
C
D
F
H
J
N
P
R
S
T
DS1
ON
ON
ON
OFF
ON
ON
OFF OFF
ON
OFF
TRIP POINT SELECTION (OUTPUT OPTIONS L AND M)
Step 1. Connect the relay as shown in Figure 5-1.
Step 2. Set the UPPER TEMP LIMIT °C control to at least 5°C above the intended upper temperature limit
trip point.
Step 3. Set LOWER TEMP LIMIT °C control to 60.
Step 4. Refer to Figure 5-2, Temperature/Resistance, to obtain resistance value for upper trip point.
Step 5. Set decade box for the resistance obtained in step 4.
Step 6. Slowly adjust UPPER TEMP LIMIT °C control counter-clockwise until appropriate trip is observed.
For option L, DS1 should go on; for option M, DS1 should go off. The upper temperature limit trip
point is now selected.
Step 7. Refer to Figure 5-2, Temperature/Resistance, to obtain resistance value for lower temperature limit
trip point.
Step 8. Set decade box for resistance obtained in step 7.
Step 9. Slowly adjust LOWER TEMP LIMIT °C control counterclockwise until appropriate indication is
observed. For option L, DS1 should go off; for option M, DS1 should go on. The lower temperature
limit trip point is now selected.
Summary of Contents for BE1-49
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