T775J ELECTRONIC REMOTE TEMPERATURE CONTROLLER
63-2248—4 12
SELECT SET ENTER
OPEN
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.
NOCOM 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
1234
SA SB
123
1
2
3
45678
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.
NOCOM NC
OUTPUT 1 OUTPUT 2
NOCOMNC
120V
COM
240V
018
STEP 3
1
23
-+
1234
31417
8
OPEN
GENTLY PULL THE TOP PWB UPWARDS AROUND
ITS HINGE. STOP WHEN THE PWB IS
PERPENDICULAR TO THE ENCLOSURE.
NOCOM NC
OUTPUT 1 OUTPUT 2
NOCOM NC
120V
COM
240V
STEP 2
ZEROING
VOLTAGE DIAL
VOLTAGE SPAN
SELECTION SWITCH
MODULATING
VOLTAGE
OUTPUT
1234
314
123
17
8
OPEN
M1345B
Fig. 16. Voltage span selection.