ENS7003R0 KO06 2010
REMOVE THE RELAY MODULE FROM
ITS SUB BASE AND FIX THE SUB BASE
1. Loosen the M3 fixing screw as shown in Fig. 1 by
about eight turns using a Philips head screwdriver.
2. Take the subbase and cover with both hands and
unfold them gently. Fold the relay module upwards,
the turning point is on the top. Do not apply excessive
force, otherwise damage may occur.
3. Punch out the needed conduit knockout holes for the
wiring as shown in Figs 1 and 2, and install the wiring
conduit(s).
4. Using the fixing screws, mount the subbase in the
specified position.
WIRING THE RELAY MODULE BOTTOM
TERMINALS
1. For applications with a UV detector, remove the
jumper terminal located at the terminal block on the
bottom of the relay module.
2. For applications using remote communication,
connect communication cable to “BUS” terminal
located at the terminal block on the bottom of the
relay module. In addition, set the communication
address uring the rotary switches at the bottom of the
relay module.
WIRING THE SUB BASE
1. Fig.2 shows the layout of the terminals on the
subbase, and Figs.3-1 to 3-3 show examples of
connections to external equipment. Regarding the
wiring to the flame detector, refer to Fig.4.
2. When using Intermittent Pilot, connect the pilot valve
to Terminal 5. Connect the main valves to Terminal 7
(Enhanced Model: connect main valve 1 to Terminal 7
and main valve 2 to Terminal 12 for the VPS function)
3. When using Interrupted Pilot, connect the pilot valve
to Terminal 6. Connect the main valves to Terminal 7
(Enhanced Model: connect main valve 1 to Terminal 7
and main valve 2 to Terminal 12 for the VPS function)
4. When using direct ignition (DBI), jumper Terminals 15
and 22. And connect the Main(DBI) valves to Terminal
5.
5. When not using purge position interlock, jumper
Terminals 15 and 16.
6. When not using start position interlock, jumper
Terminals 13 and 17.
7. When not purge and start position interlocks, jumper
Terminals 15 and 16 as well as Terminals 13 and 17
simultaneously.
8. Connect the safety switch circuit (lockout interlocks)
between Terminals 15 and 18. The safety switch
circuit must be closed always, otherwise a lockout
occurs immediately.
9. For non-floating mains power grids (Neutral to
Ground), connect the Line-L to Terminal 1and the
Line-N to Terminal 2. Use a correct fuse: 10A fast
blow maximum.
10. Check all wiring circuits and assure that the correct
fuse is installed. Check the correct voltage.
11. Finally plugl the relay module on to its sub base and
fix it with the M3 fixing screw. Do not overtight the
screw.
12. When using a surge absorber, connect it between
Terminal 2 and application ground.
13. Connect the mains supply voltage using 0.75㎟ or
larger lead wire.
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