NSi Industries 7120Z - Manual

TORK MODEL 7120Z
ASTRONOMIC DIAL WITH DAY OMITTING
SWITCH: SPDT
CONTACT RATINGS:
40 AMP 120-277VAC
20 AMP INDUCTIVE
120-277VAC SINGLE PHASE
40 AMP TUNGSTEN 120VAC
1000VA (120-277)
PILOT DUTY
2HP 120VAC; 5HP 240VAC
TIMING MOTOR:
120VAC 60Hz
POWER CONSUMPTION:
3 WATTS MAX.
Disconnect power at main panel prior to installing or servicing this time switch or the equipment connected to it.
Connect in accordance with national and local electrical codes.
Supply Connections: Use gauge specified (AWG # 8-14) suitable for 75 degrees C (167 degrees F)
FOR MANUAL OPERATION: Press down lever on right of nameplate to turn ON. Press down lever on left of nameplate to turn OFF.
TO OMIT OPERATIONS: 7 spoke wheel at lower left of 24 hour dial moves ahead once each day, at about 9:00 A.M.
Insert brass knurled screws in appropriate spokes on days when ON operations are not desired.
TO SET OMITTING WHEEL TO CORRECT DAY: Hold down OFF lever on left of nameplate. The red
stud on this lever is the day-indicator. If green lever on 24 hour dial has already passed omitting wheel,
turn omitting wheel clockwise until the present day of week is indicated. If green lever has not passed
omitting wheel, set omitting wheel so preceding day is indicated. (24 hour dial turns counter-clockwise.)
TO REMOVE MECHANISM FROM CASE: Press lever near case latch to release mainplate and swing the movement
out. To replace, insert main-plate projections in slots opposite latch and swing movement in until it latches.
RED
STUD
GREEN
ACTUATOR ➤
➤
O
F
F O
N
1
2
1
1
1
0
9
8
7
6 5 4
3
2
1
1
2
1
1
1
0
9
8
7
6 5 4
3
2
1
A
S TR
ON OM IC A L
A S
T RO
N O MIC AL
PM
AM
FIG. 1 — FRONT VIEW
SUNSET ON ARM
GREEN
ACTUATOR
STAR
WHEEL
OFF ARM
SHOWN SET TO
SUNSET TIME
MANUAL
“OFF”
LEVER
MANUAL“ON”
LEVER
TIME ARROW
POINTER SHOWING
DAY OF YEAR
LINE INDICATES
OFF TIME
OFF ARM
8:30 P.M. TO
2:30 A.M.
WHEN SET
BY USER
SUNSET ON MERIDIAN
20 Minutes Earlier 5°E
40 Minutes Earlier 10°E 20 Minutes Later 5°W
40 Minutes Later 10°W
FIG. 2 — BACK OF DIAL ASSEMBLY
8:30 P.M .
OFF
TRIPPER
2:30 A.M.
SUNRISE SETTING
48 TOOTH WHEEL
1 REV. PER DAY
73 TOOTH WHEEL
1 REV. PER YEAR
SUNSET ON ARM
SUNSET ON MERIDIAN
20 Minutes Earlier - 5°E
40 Minutes Earlier -10°E 20 Minutes Later - 5°W
40 Minutes Later - 10°W
40 Minutes Earlier -10°E
20 Minutes Earlier - 5°E
SUNSET ON MERIDIAN
40 Minutes Later - 10°W
20 Minutes Later - 5°W
TORK ®
1 GROVE STREET, MT. VERNON, NY 10550 TEL: 914-664-3542
FAX: 914-664-5052 LI-618A)
INSTALLATION AND OPERATING INSTRUCTIONS
TO SET ON AND OFF TIMES: First set dial to correct day of year by turning 5 point star wheel in either direction until the
proper month and day are indicated by the day-of-year pointer. See figure 1. In operation, this wheel advances one spoke
each day. Turn wheel until arrow indicates line dividing current month from previous month. Then turn wheel clockwise
one spoke for each day passed since 1st day of month. ABOVE PROPERLY POSITIONS ON AND OFF TRIPPERS SO
CONTROL WILL TURN ON AT DUSK AND OFF AT DAWN, adjusting each day to compensate for solar changes.
OFF TIME CAN BE FIXED at any time between 8:30 P.M. and 2:30 A.M. by depressing OFF pointer and moving it until
desired OFF time is indicated on dial. See figure 2.
TO ADJUST FOR LOCAL CONDITIONS: Remove dial by removing center dial screw. Move pin in ON (Sunset) lever in
the appropriate direction. See figure 2. Each hole is approximately 20 minutes. OFF (Sunrise) time may be similarly
adjusted by depressing lever and moving to desired setting.
TO SET DIAL TO TIME: Turn dial counter-clockwise until correct time is indicated by arrow on nameplate. DIAL
SHOULD ALWAYS BE SET TO STANDARD TIME, NOT DAYLIGHT SAVING TIME.
L 1 X 2
M
LOAD
A
N
H
▼
▲
LOAD
B
H
N