M Series Reverse Osmosis Processor
With Built-in Pre-treatment and Membrane Flush
For Models:
M- 450
M-1000
M-2400
M-4800
M-9600
Installation, Operation
&
Maintenance Manual
Page 1 of 18
Before installing and/or operating Watts M-Series Reverse Osmosis system, read this manual
completely. Keep this manual available for future reference. Further information is available by
contacting your local Watts distributor. Phone: (623)505-1511
Pressure Tank
Atmospheric Tank
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TABLE OF CONTENTS
Specifications
Specifications Chart ……………………………… 4
Installation
Membrane installation ………………………………. 5
Inlet Connection ………………………………………. 6
Permeate Line Connection …………………..……. 7
Pressure Tank Connection ……………………..…. 8
Atmospheric Storage Tank ……………………… … 9
Plumb to Drain ………………………………………. 10
Operation
Start Up …………………………………………………..11
Alarms …………………………………………………….12
Maintenance
Quarterly Maintenance ………………………………13
Annual Maintenance ………………………………….14
Warranty
Warranty ………………………………………………….15
Glossary of Terms …………………………..………. 17
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Specifications Complete System Packages
SPECIFICATIONS M-450 M-1000 M-2400 M-4800 M-9600
DRY WEIGHT lbs. 300 310 350 650 750
WET WEIGHT lbs 550 1700 1750 4000 4100
FEED WATER
COLD/Temp ½”/35°-70° ½”/35°-70° ½”/35°-70° ¾”/35°-70° ¾”/35°-70°
HOT/ Temp
FLOW RATE 2 GPM
MAX.HARDNESS 17 Grains 17 Grains 17 Grains 17 Grains 17 Grains
MAX. TDS 2500 PPM 2500 PPM 2500 PPM 2500 PPM 2500 PPM
MAX. IRON 0.1 MGL 0.1 MGL 0.1 MGL 0.1 MGL 0.1 MGL
MAX. PSIG 80 80 80 80 80
MIM. PSIG 25 25 25 25 25
DRAIN
CONNECTION
FLOOR SINK MIM.
w/in 10 ft of
processor
ELECTRICAL
REQUIRMENTS VOLTS/AMPS VOLTS/AMPS
RO PROCESSOR
OPTIONAL 220V
DELIVERY PUMP N/A 115/8.8 115/12.4 115/12.4 115/12.4
KDF FILTER N/A N/A N/A 115/2 115/2
½”/70°- 140° ½”/70°- 140° ½”/70°- 140° ¾”/70°- 140° ¾”/70°- 140°
4 GPM
1/ ¼” 1/ ¼” 1/ ¼” 1/ ¼” 1/ ¼”
VOLTS/AMPS
115/7.2 115/7.2 115/11.0
8 GPM 12 GPM
VOLTS/AMPS
115/23
220/8.8
220/11.5
24 GPM
VOLTS/AMPS
220/11.5
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Membrane Installation
Note: All Membrane Vessels are
clearly marked with flow direction.
Membrane “Brine Seal” is always
facing the water entry to Vessel.
Brine Seal
Membrane
Flow
Direction
Marking
Membrane
Vessel
Page 5 of 18
Inlet Connection
HOT and/or COLD FEED WATER
CONNECTION
Hard plumb Hot and/or Cold water
connections into Blending Valve
using (L) Copper Pipe. Refer to table
below. Valve is marked with HOT
and Cold connections.
Recommend installing Ball Valves
just prior to the Blending Valve.
NOTE: Use only
Teflon tape on all
RO
M-450 25/80 psig ½”
FEED WATER
MIN/MAX
PSIG
PIPE
SIZE
FLOW
RATE
2 GPM
M-100 25/80 psig ½”
M-2400
25/80 psig ½”
4 GPM
8 GPM
M-4800 25/80 psig 1”
M-9600 25/80 psig 1 ¼”
12 GPM
24 GPM
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