Honeywell Electronic Remote Temperature Controller T775J - Manual (Page 12)

T775J ELECTRONIC REMOTE TEMPERATURE CONTROLLER
63-2248—4 12
SELECT SET ENTER
O P E N
1 2 3 4
3 8 14 17
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
NO COM 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 2 3
1 2 3
4 5 6 7 8
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
NO COM NC
120V COM 240V
0 18
STEP 3
1 2 3
- +
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
NO COM NC
120V COM 240V
STEP 2
ZEROING
VOLTAGE DIAL
VOLTAGE SPAN
SELECTION SWITCH
MODULATING
VOLTAGE
OUTPUT
1 2 3 4
3 14
1 2 3
17 8
OPEN
M1345B
Fig. 16. Voltage span selection.