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F74C REVERSE RINSING FILTER; MV876 AUTOMATIC-BACKWASH CONTROLS
7 62-3061
Fig. 11. Removing the MV876 cover.
Fig. 12. Installing batteries in the MV876.
Fig. 13. Replacing the MV876 fuse.
WIRING
CAUTION
Electrical Shock or Equipment Damage Hazard.
Can shock individuals or short equipment
circuitry.
Disconnect power supply before wiring.
IMPORTANT
All wiring must comply with applicable codes and
ordinances.
MV876
Mount the 24 Vac transformer and wire as shown in Fig. 14.
Reconnect power to the system. When the system is
powered, the MV876 will run through one backwash cycle
(approximately 20 seconds).
Set MV876 backwash interval to the desired setting. See the
Operation section.
Check MV876 operation by interrupting primary power to the
transformer. When power is switched back on, the MV876 will
backwash the F74C once.
Fig. 14. Wiring diagram for F74C with MV876.
MV876B
M17352
M17353
MV876B
M17351
L1
(HOT)
L2
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
1
M16484
MV876