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First Sales OXY2-10 - User Manual

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First Sales, LLC
12630 US Highway 33 N
Churubusco, IN 46723
Phone (260) 693-1972 Fax (260) 693-0602
OXY2-OXY2E Instruction Manual 180122.docx
OXY2 & OXY2E Series
Iron Reduction System
Installation Instructions and Owner’s Manual

Table of Contents

Questions and Answers

  • M
    Manuel RossAug 12, 2025
    What to do if there is continuous water flow to drain in First Sales Water Filtration Systems?
    • N
      Nathan BallardAug 12, 2025
      If you notice a continuous flow of water to the drain in your First Sales Water Filtration System, it could be due to several reasons. First, check that the electrical outlet is functioning, as a loss of power during regeneration can cause this issue. Also, verify the timer programming. Debris in the control valve or an internal leak could also be the cause; in these cases, disassemble and clean the control valve, or replace the seals and/or piston. Finally, a faulty drive motor can also cause this problem, so consider replacing it.
  • A
    Alexis OrtizAug 16, 2025
    Why does the control valve cycle continually in First Sales OXY2-10?
    • C
      cynthia37Aug 16, 2025
      If your First Sales Water Filtration System's control valve cycles continually, the issue might stem from a faulty switch or timer motor. In such cases, replace the faulty switch or the faulty timer motor to resolve the problem.
  • S
    Shawn WhitneyAug 20, 2025
    Why is water colored from the tap with First Sales Water Filtration Systems?
    • M
      Melody BarnesAug 20, 2025
      If the water from your First Sales Water Filtration System is colored, it could be due to several reasons. It might be a leaking bypass valve, in which case you should verify that the bypass valve is in the service position and inspect the seal, replacing it if needed. Alternatively, there could be an internal valve leak, requiring you to replace the spacers and seals. Another possibility is that the distributor is not seated properly in the control valve; ensure the distributor tube is securely seated in the control valve body. It's also important to verify that the actual water usage flow rates do not exceed the system specifications. Finally, insufficient backwash can also cause this issue, so increasing the frequency of backwash might help.
  • K
    Kathy KruegerAug 23, 2025
    How to fix excessive pressure drop in First Sales Water Filtration Systems filter?
    • M
      Martin SmithAug 23, 2025
      If you're experiencing excessive pressure drop through the filter in your First Sales Water Filtration System, several factors could be the cause. The filter may not be backwashing properly; in this case, check the timer motor and replace it if it's faulty. Alternatively, the filter bed might be loaded with sand, so ensure an uninterrupted power supply. Insufficient backwash could also be the issue; check the backwash frequency setup. “Cementing” or “Channeling” may also occur, so increase the frequency of backwash. Lastly, the control valve might be plugged with debris, requiring you to disassemble and clean it.
  • J
    Jeremy LopezAug 27, 2025
    What to do if clear water turns colored after drawn from First Sales OXY2-10?
    • R
      Renee BaileyAug 27, 2025
      If the water from your First Sales Water Filtration System turns colored after being drawn, it could be due to a few reasons. First, check if there's insufficient air draw, and verify that the air draw check valve is functioning properly, replacing it if needed. Another possibility is a plugged injector or injector screen; remove and clean the injector and screen. Additionally, an open or leaking bypass valve can cause this issue, so verify the bypass valve is in the service position and inspect the seal, replacing it if needed. Finally, a pH that is too low could be the problem; test the pH, ensuring it's 7.0 or higher, or 8.2 or higher if Manganese is present.
  • H
    howardjosephAug 31, 2025
    Why is there media in the service lines of my First Sales Water Filtration Systems?
    • J
      Jerry HarveyAug 31, 2025
      If you find media in the service lines of your First Sales Water Filtration System, there are a few potential causes. The unit might be installed backwards; in this case, re-plumb the water lines so that the supply side of the line is connected to the inlet of the bypass and the service side is connected to the outlet. It could also be a damaged distributor basket, requiring you to replace the damaged distributor. Insufficient gravel under the bed can also cause this issue; add gravel to the tank and manually backwash.
  • T
    Thomas MatthewsSep 4, 2025
    Why does Oxy media fail to raise pH sufficiently in First Sales Water Filtration Systems?
    • D
      Dominique JimenezSep 4, 2025
      If the Oxy media in your First Sales Water Filtration System fails to raise the pH sufficiently, it could be because the water usage flow rate is too high, not providing adequate contact time. Verify the actual water usage flow rates against the system specifications. Additionally, further steps may be necessary to effectively raise the pH; consider adding MpH Adder to the media tank.
  • E
    Evan GloverSep 7, 2025
    Why is there a howling noise during regeneration of First Sales Water Filtration Systems?
    • A
      Alison CrosbySep 7, 2025
      If you hear a howling or whistling noise during regeneration in your First Sales Water Filtration System, it could be due to an inadequate drain line diameter or a restricted drain line. In this case, reconfigure or replace the drain line.

Summary

Pre-installation Instructions

System Description

Overview of the OXY2 iron filtration system, its components, and operation.

Water Quality Parameters

Discusses water quality factors like pH, iron, manganese, tannin, and hydrogen sulfide.

Pre-installation Instructions

Water Supply Requirements

Details water supply types, flow rate testing, and calculation for adequate backwash.

Location Considerations

Guidelines for selecting an optimal installation location for the filter system.

General Installation

Installation and Service Warnings

Critical warnings and precautions for installing and servicing the water conditioner.

Typical Installation Diagram

Visual representation of a standard installation setup for the OXY2/OXY2E filter.

Installation Instructions

Media Filling and Tank Preparation

Steps for loading filter media, cleaning, and preparing the tank for the control valve.

Control Valve Attachment and Lubrication

Instructions for installing the control valve, ensuring proper lubrication and O-ring seating.

Plumbing and Drain Line Setup

Guidance on connecting water supply lines, bypass valve, and drain lines safely and correctly.

Installation Instructions

Electrical Connection and Initial Pressurization

Connecting power, opening supply valve, and slowly pressurizing the unit.

Manual Regeneration for Fines Removal

Procedure for manually initiating regeneration to flush out media fines.

Installation Instructions

Setting OXY2 Regeneration Schedule

Configuring the backwash frequency and day selection for the OXY2 timer.

Setting Time of Day and Regeneration Time

Adjusting the current time and the regeneration start time for OXY2 and OXY2E models.

Final Startup Procedures

Restoring power, checking for leaks, and verifying correct time settings.

OXY2 Timer Operation

Setting OXY2 Time of Day

Step-by-step guide to set the current time on the OXY2 timer assembly.

Configuring OXY2 Backwash Days

Instructions for setting the days of the week for automatic backwashing.

Manual Backwash Initiation

How to manually start a backwash cycle using the control knob.

OXY2 Timer Operation

Adjusting Backwash Cycle Lengths

Guide to modify lengths of Rapid Rinse, Air Draw, and Backwash cycles by adjusting pins.

OXY2 E Display and Operation

OXY2 E Control Buttons Overview

Explanation of the Set, Advance, and Up buttons for OXY2E unit operation.

OXY2 E Setting Time of Day

Entering OXY2 E Programming Mode

How to access the programming menu using the Set button.

Configuring OXY2 E Time and Hardness

Setting the current time (hour, minute, AM/PM) and water hardness.

OXY2 E Programming

Setting OXY2 E Backwash Frequency

Adjusting the frequency of automatic backwash cycles for the OXY2E.

Setting OXY2 E Backwash Time

Configuring the hour, minutes, and AM/PM for the OXY2E backwash cycle.

Disabling OXY2 E Unused Settings

Instructions to set unused OXY2E functions like DEFAULT and BRINE REFILL to OFF.

Setting OXY2 E Cycle Durations

Adjusting the lengths of the Backwash, Air Draw, and Fast Rinse cycles.

Specifications

OXY2 Series Performance Specs

Technical specifications for OXY2-10 and OXY2-20 models, including flow rates and dimensions.

OXY2 E Series Performance Specs

Technical specifications for OXY2E-10 and OXY2E-20 models, including flow rates and dimensions.

General Operational Requirements

Required water temperature, pressure, and electrical specifications for operation.

Component Parts Breakdown & List

System Component Identification

Labeled diagram identifying the main components of the OXY2/OXY2E system.

Component Parts List

A table listing part numbers and descriptions for system components.

OXY2 Control Valve Breakdown

OXY2 Control Valve Assembly Diagram

Detailed diagram illustrating the breakdown of the OXY2 control valve.

OXY2 Control Valve Parts List

OXY2 Control Valve Parts Details

A comprehensive list of parts for the OXY2 control valve with reference numbers.

OXY2 E Control Valve Breakdown

OXY2 E Control Valve Assembly Diagram

Detailed diagram illustrating the breakdown of the OXY2E control valve.

OXY2 E Control Valve Parts List

OXY2 E Control Valve Parts Details

A comprehensive list of parts for the OXY2E control valve with reference numbers.

Troubleshooting

Pressure Drop and Water Color Issues

Solutions for excessive pressure drop and tap water appearing colored.

Water Quality and pH Problems

Troubleshooting steps for clear water turning colored and insufficient pH adjustment.

Troubleshooting

Control Valve Noise and Flow Problems

Addressing howling noises during regeneration and continuous water flow to drain.

Media Migration Issues

Solutions for media appearing in service lines due to installation or distributor damage.

Control Valve Wiring

Control Valve Electrical Diagram

Wiring diagram showing the electrical connections for the control valve assembly.

TEN YEAR LIMITED WARRANTY

Warranty Coverage and Conditions

Details on warranty duration for the conditioner, control valve, and mineral tank.

Warranty Information Recording

Section for users to record purchase details for warranty purposes.

First Sales OXY2-10 Specifications

General IconGeneral
BrandFirst Sales
ModelOXY2-10
CategoryWater Filtration Systems
Number of Filtration Stages5
Operating Pressure40-80 psi
Warranty1 year
Filter TypeSediment, Carbon
Power SupplyNot required
TypeReverse Osmosis System