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T775J ELECTRONIC REMOTE TEMPERATURE CONTROLLER
63-2248—4
12
SELECT
SET
ENTER
O
P
E
N
1234
381417
OPEN
CLOSED
VOLTAGE SPANS
WHEN SWITCH IS DEPRESSED, THE
VOLTAGE RANGE IDENTIFIED BY
THE VOLTAGE SPAN BELOW THAT
SWITCH IS SELECTED. IN THIS
CASE, A VOLTAGE SPAN ON 8 VDC
HAS BEEN SELECTED. THIS SPAN
CAN BE 2-10 VDC, 10-18 VDC, ETC.,
BY USE OF ZEROING DIAL.
NO COM NC
OUTPUT 1
OUTPUT 2
NOCOM NC
120V
COM
240V
REMOVE FRONT COVER AND LOOSEN SCREW
IN UPPER RIGHT CORNER OF DEVICE WITH A
SCREWDRIVER.
STEP 1
SENSOR INPUT,
TOD, AND
24 VAC
TERMINALS
12
3
4
SA SB
1
23
1
2
3
4
5
678
SA
TOD
24V SB
VOLTMETER
CONNECT THE MODULATING VOLTAGE OUTPUT
TO A VOLTMETER. USING A SCREWDRIVER,
ADJUST THE LOWER LIMIT OF THE VOLTAGE TO THE
DESIRED LEVEL ACCORDING TO THE STEPS
OUTLINED IN CLAIBRATION PROCEDURE FOR
0 TO18 VDC OUTPUT.
NO COM NC
OUTPUT 1
OUTPUT 2
NOCOMNC
120V
COM
240V
0
18
STEP 3
1
23
-
+
1
2
3
4
3
14
17
8
OPEN
GENTLY PULL THE TOP PWB UPWARDS AROUND
ITS HINGE. STOP WHEN THE PWB IS
PERPENDICULAR TO THE ENCLOSURE.
NO COM NC
OUTPUT 1
OUTPUT 2
NOCOM NC
120V
COM
240V
STEP 2
ZEROING
VOLTAGE DIAL
VOLTAGE SPAN
SELECTION SWITCH
MODULATING
VOLTAGE
OUTPUT
1
2
3
4
3
14
123
17
8
OPEN
M1345B
Fig. 16. Voltage span selection.