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Honeywell BRAUKMANN F74C User Manual
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Honeywell BRAUKMANN F74C User Manual

Reverse rinsing filter and automatic-backwash controls
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MV876 Automatic-Backwash Controls
F74C
APPLICATION
'The F74C Reverse Rinsing Water Filters, used at
point-of-entry (POE) to remove sediment and debris from
residential or commercial water systems, ensure a
continuous supply of filtered water. The fine filter
prevents the ingress of foreign bodies, such as rust
particles and grains of sand. The flow, filtering capacity
and ease of cleaning make the F74C the ideal filter for
the most demanding applications. Both horizontal and
vertical installations are possible.
The MV876 Automatic-Backwash Control is available as
an accessory. This control is fitted to the drain valve and
is programmed by the user to automatically perform the
backwash function according to the desired interval.
® U.S. Registered Trademark
Copyright © 2001 Honeywell • All Rights Reserved
F74C Reverse Rinsing Filter;
MV876B1018
(Bayonet fitting
for F74C)
INSTALLATION INSTRUCTIONS

SPECIFICATIONS

IMPORTANT
The specifications given in this publication do
not include normal manufacturing tolerances.
Therefore, units may not exactly match the
listed specifications. Also, products are tested
and calibrated under closely controlled
conditions, and some minor differences in
performance can be expected if those
conditions are changed.
F74C:
Models:
Water filters with 100 micron screens and hose
connections.
F74C1015: 3/4 in. sweat and NPT threaded tailpieces.
F74C1023: 1 in. sweat and NPT threaded tailpieces.
Materials of Construction:
Body: Engineered plastic.
Inlet/Outlet Adapter: Bronze.
Sump: Engineered plastic.
Screen: Stainless steel.
Internal Construction: Acetal copolymer.
Seals: NBR.
Ball Valve: Brass with PTFE seals.
Inlet Pressure:
Minimum: 22 psi (with unrestricted backwash discharge).
Maximum: 232 psi.
Medium: Water.
Maximum Operating Temperature: 86°F (30°C).
Pipe Size: 3/4 in. and 1 in.
Mounting Position: For vertical or horizontal
(filter bowl always downwards).
Dimensions: See Fig. 1 and Table 1.
Braukmann
62- 0165

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Summary of Contents for Honeywell BRAUKMANN F74C

  • Page 1: Specifications

    This control is fitted to the drain valve and is programmed by the user to automatically perform the backwash function according to the desired interval. ® U.S. Registered Trademark Copyright © 2001 Honeywell • All Rights Reserved SPECIFICATIONS IMPORTANT MV876B1018...
  • Page 2 F74C REVERSE RINSING FILTER; MV876 AUTOMATIC-BACKWASH CONTROLS Fig. 1. Dimension drawing of F74C. Table 1. Dimensions of F74C in in. (mm). Connection Size Dimension 12-13/16 (324) 11-3/16 (285) 6-3/8 (162) 3-9/16 (90) 4-1/8 (105) 1-1/16 (27) 2-5/8 (66) 5-5/16 (150) Weight: 3/4 in.: 6 lb (2.7 kg).

  • Page 3: Planning The Installation

    Table 2. Flow Capacity of F74C in Gallons per Minute (gpm). Model Size F74C1015 F74C1023 10.1 Table 3. MV876B Timer Selections. Program Value Backwash Interval 4 minutes 8 minutes 16 minutes 32 minutes 1 hour 2 hours 4 hours 8 hours 17 hours 34 hours 3 days...

  • Page 4: Installation

    F74C REVERSE RINSING FILTER; MV876 AUTOMATIC-BACKWASH CONTROLS Fig. 6. Make sure the backwash outlet is not raised above the F74C. If the backwash outlet must be raised above the F74C, increase the inlet pressure 5 psi for every 10 feet that it is raised. Fig.
  • Page 5 Fig. 10. Final position of MV876 and F74C. As the F74C operates, screens become plugged. Backwash the F74C when the pressure gauge measures about five psi lower than when first installed. However, each installation is different. Residential applications can require backwash only once a week, or once every few weeks.
  • Page 6 F74C REVERSE RINSING FILTER; MV876 AUTOMATIC-BACKWASH CONTROLS Fig. 11. Removing the MV876 cover. Fig. 12. Installing batteries in the MV876. 62-0165 Fig. 13. Replacing the MV876 fuse. WIRING WARNING M17352 Electrical Shock or Equipment Damage Hazard. Can shock individuals or short equipment circuitry.
  • Page 7 F74C REPLACEMENT PARTS LIST (SEE FIG. 15). Letter in Part Number Fig. 15 U76S5051 3/4 in. sweat tailpiece U76S5023 1 in. sweat tailpiece U76T1014 3/4 in. NPT tailpiece U76T1022 1 in. NPT tailpiece 901444 Union gasket, 3/4 in. 901445 Union gasket, 1 in. AF74-1A Replacement filter assembly for F74C, 3/4 in.
  • Page 8 Home and Building Control Home and Building Control Honeywell Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 62-0165 G.R. 3-01 Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers.

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