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AUTOTROL 368
SERVICE MANUAL
waterpurification.pentair.com
TABLE OF CONTENTS
MANUAL OVERVIEW ................................................................ 2
SAFETY INFORMATION ............................................................ 2
TYPICAL TOOLS AND FITTINGS REQUIRED ............................ 2
EQUIPMENT INSTALLATION .................................................... 3
CONTROL OPERATION & LAYOUT ........................................... 8
PROGRAMMING - 368/604 ....................................................... 9
PROGRAMMING - 368/606 ....................................................... 9
MANUAL REGENERATION ....................................................... 10
QUICK CYCLING THE CONTROL .............................................. 10
SYSTEM SELECTION AND RESET PROCEDURES ................... 10
ACCESSING HISTORY VALUES ................................................. 11
START-UP ................................................................................. 11
VALVE ASSEMBLY - 368 ........................................................... 12
TROUBLESHOOTING ................................................................ 14
SERVICE ASSEMBLIES ............................................................ 15
VALVE DIMENSIONS- 368 ........................................................ 16
VALVE LAYOUT - 368 ................................................................ 16
PERFORMANCE SPECIFICATIONS .......................................... 17
FLOW DATA CHARTS ................................................................ 18
MANUAL OVERVIEW
How To Use This Manual
This installation manual is designed to guide the installer through the process of installing and starting the softener.
This manual is a reference and will not include every system installation situation. The person installing this equipment should have:
• Knowledge in the water softener installation
• Basic plumbing skills
Icons That Appear In This Manual
WARNING: Failure to follow this instruction can result in personal injury or damage to the equipment.
NOTE: This will make the process easier if followed.
Inspection
Inspect the unit for damage or missing parts.
SAFETY INFORMATION
• Review the entire Operation Manual before installing the water conditioning system.
• Follow all applicable plumbing and electrical codes when installing this water conditioning system.
• This water conditioning system is not intended for the treatment of water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.
• This water conditioning system is to be used only for potable water.
• Inspect the water conditioning system for carrier shortage or shipping damage before beginning installation.
• Use caution when installing soldered metal piping near the water conditioning system. Heat can adversely affect the plastic control valve or bypass valve system. Be sure all soldered pipes are fully cooled before attaching plastic valve to the plumbing.
• All plastic connections should be hand tightened.
Plumber's tape may be used on connections that do not use an O-ring seal. Do not use pipe dope type sealants on the valve body. Do not use pliers or pipe wrenches.
• Minimum pipe run to water heater of three meters to prevent backup of hot water into system.
• Do not use petroleum-based lubricants, oils or hydrocarbon-based lubricants. Use only 100% silicone lubricants.
• Use only the power transformer supplied with this water conditioning system.
• The power outlet must be grounded.
• Install an appropriate grounding strap across the inlet and outlet piping of the water conditioning system to ensure that a proper ground is maintained.
• To disconnect power, unplug the AC adapter from its power source.
• Observe drain line requirements. The drain line must be a minimum of 1/2-inch diameter. Use 3/4-inch pipe if the total length of the drain line exceeds 6 meters.
• Do not support the weight of the system on the control valve connections, or plumbing.
• Do not allow this water conditioning system to freeze.
Damage from freezing will void this water conditioning system’s warranty.
• Keep the media tank in the upright position. Do not turn upside down or drop. Turning the tank upside down or laying the tank on its side can cause media to enter the valve.
• Use only regenerants designed for water conditioning.
TYPICAL TOOLS AND FITTINGS REQUIRED
• Pipe Cutter
• Tubing Cutter
• File
• Pliers
• Tape Measure
• Soldering Tools
• Lead Free Solder
• Bucket
• Towel
• Plumbers Tape
• Adjustable Wrench
• Tube 100% Silicone Grease
California Proposition 65 Warning
WARNING:
This product contains chemicals known to the State of California to cause cancer or birth defects or other reproductive harm.
2 • AUTOTROL 368 Service Manual
EQUIPMENT INSTALLATION
General Warnings And Safety Information
Electrical
There are no user-serviceable parts in the AC adapter, motor, or controller. In the event of a failure, these should be replaced.
• All electrical connections must be completed according to local codes.
• Use only the power AC adapter that is supplied. If the AC adapter is replaced, use a Class II, 12 volt, 150 mA supply.
• The power outlet must be grounded and always on.
• To disconnect power, unplug the AC adapter from its power source.
• Install an appropriate grounding strap across the inlet and outlet piping of the water system to ensure proper grounding is maintained.
Mechanical
• Do not use petroleum based lubricants such as petroleum jelly, oils, or hydrocarbon based lubricants. Use only 100% silicone lubricants.
• All plastic connections should be hand tightened.
Plumber's tape should be used on connections that do not use an O-ring seal. Do not use pliers or pipe wrenches.
• All plumbing must be completed according to local codes.
• Soldering of the plumbing should be done before connecting to the valve. Excessive heat will cause interior damage to the valve.
• Observe drain line requirements.
• Do not use lead-based solder for sweat solder connections.
• The drain line must be a minimum of 1/2-inch diameter.
Use 3/4-inch pipe the pipe length is greater than
20 feet (6 m).
• Do not support the weight of the system on the control valve fittings, plumbing, or the bypass.
• It is not recommended to use sealants on the threads.
Use plumber's tape on all threads.
General
• Observe all warnings that appear in this manual.
• This system is not intended to be used for treating water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.
• Keep the unit in the upright position. Do not turn on side, upside down, or drop. Turning the tank upside down will cause media to enter the valve.
• Operating ambient temperature is between 34°F (1°C) and 120°F (49°C).
• Operating water temperature is between 35°F (1°F) and
100°F (38°C).
• Working water pressure range is 20 to 125 psi
(1.38 to 8.61 bar). In Canada, the acceptable working water pressure range is 20 to 100 psi (1.38 to 6.89 bar).
• Use only salts designed for water softening. Acceptable salt type is sodium chloride pellet salt.
• Follow state and local codes for water testing. Do not use water that is micro-biologically unsafe or of unknown quality.
• When filling media tank, do not open water valve completely. Fill tank slowly to prevent media from exiting the tank.
• Always make modifications to house plumbing first.
Connect to valve last.
• Plastic parts and O-rings may be damaged by heat and solvents. When constructing plumbing connections, allow heated parts to cool and protect parts from solvents.
System Recharge Cycles
Service (Downflow):
Untreated water is directed down through the resin bed and up through the riser tube. The hardness ions attach themselves to the resin and are removed from the water. The water is conditioned as it passes through the resin bed.
When a recharge cycle starts, the softener goes through seven cycles. During the recharge cycle, the softener will allow untreated water to bypass into the building.
1. Backwash 1 (Upflow):
The flow of water is reversed by the control valve and directed down the riser tube and up through the resin bed.
During the backwash cycle, the bed is expanded and debris is flushed to the drain.
2. Brine Draw (Downflow):
The brine draw cycle takes place during the slow rinse cycle. The control directs water through the brine injector and brine is drawn from the salt tank. Brine draw is completed when the air check in the salt tank closes.
Slow Rinse (Downflow):
The brine is directed down through the resin bed and up through the riser tube to the drain. The hardness ions are displaced by sodium ions and are sent to the drain. The resin is recharged during the brine cycle.
3. Repressurize Cycle (Hard Water Bypass Flapper Open):
This cycle closes the flappers for a short time to allow the air and water to hydraulically balance in the valve before continuing the recharge.
4. Fast Rinse 1 (Downflow):
The control directs water down through the resin bed and up through the riser tube to the drain. Any remaining brine residual is rinsed from the resin bed.
5. Backwash 2 (Upflow):
The flow of water is reversed by the control valve and directed down the riser tube and up through the resin bed.
During the backwash cycle, the bed is expanded and debris is flushed to the drain.
6. Fast Rinse 2 (Downflow):
The control directs water down through the resin bed and up through the riser tube to the drain. Any remaining brine residual is rinsed from the resin bed.
7. Brine Refill:
Water is directed to the salt tank at a controlled rate, to create brine for the next recharge.
AUTOTROL 368 Service Manual• 3
From Regenerant
Tank
8.75 in
(22.2 cm)
4 in
(10.1 cm)
SERVICE BACKWASH
Cycle 1
BRINE/SLOW RINSE
Cycle 2
REPRESSURIZE
Cycle 3
To Regenerant
Tank
FAST RINSE
Cycle 4
BACKWASH
Cycle 5
FAST RINSE
Cycle 6
BRINE REFILL
Cycle 7
Figure 4 Flow Patterns
Location Selection
Location of a water treatment system is important. The following conditions are required:
• Level platform or floor.
• Ambient temperatures over 34°F (1°C) and below 120°F
(49°C).
• Water pressure below 125 psi (8.61 bar) and above
20 psi (1.4 bar).
• In Canada, the water pressure must be below 100 psi
(6.89 bar).
• Constant electrical supply to operate the controller.
• Total minimum pipe run to water heater of ten feet (three meters) to prevent backup of hot water into system.
• Local drain or tub for discharge as close as possible.
• Water line connections with shutoff or bypass valves.
• Must meet any local and state codes for site of installation.
• Valve is designed for minor plumbing misalignments. Do not support weight of system on the plumbing.
• Be sure all soldered pipes are fully cooled before attaching plastic valve to the plumbing.
• Room to access equipment for maintenance and adding salt to tank.
Figure 5
Outdoor Locations
It is recommended that the equipment be installed indoors.
When the water conditioning system must be installed outdoors, several items must be considered.
• Moisture — The valve and controller are rated for NEMA 3 locations. Falling water should not affect performance.
The system is not designed to withstand extreme humidity or water spray from below. Examples are: constant heavy mist, near corrosive environment, upwards spray from sprinkler.
• Direct Sunlight — The materials used will fade or discolor over time in direct sunlight. The integrity of the materials will not degrade to cause system failures.
• Temperature — Extreme hot or cold temperatures may cause damage to the valve or controller.
Freezing temperatures will freeze the water in the valve.
This will cause physical damage to the internal parts as well as the plumbing.
• Insects — The controller and valve have been designed to keep all but the smallest insects out of the critical areas.
Things You Need to Know
• When the controller is first plugged in, it may display an Err 3, this means that the controller is rotating the camshaft to the home position.
• The preset default time of recharge is 2:00 AM.
• Make sure control power source is plugged in. The transformer should be connected to a non-switched power source.
• Test your water. Take a 4-5 oz sample of your water to someone who can test for hardness. This information will be used to setup the control.
4 • AUTOTROL 368 Service Manual
EQUIPMENT INSTALLATION continued
Outside
Faucet
Hot Water
Outlet
Grounding
Strap
Bypass
Drain Line
Bath Tub Lavatory Toilet Kitchen
Soft Water
Hard Water
Outside
Faucet
Water
Heater
Pump or
Meter
Softener
Laundry Tubs
Brine Tank Overflow Drain
Floor Drain
Figure 6 Softened Water Flow
AUTOTROL 368 Service Manual• 5
EQUIPMENT INSTALLATION continued
Grounding the Plumbing
It is important that the plumbing system be electrically grounded. When a water softener is installed, a nonmetallic bypass valve may interrupt the grounding. To maintain continuity, a grounding strap can be purchased at a hardware store. When it is installed, the strap will connect the plumbing into the softener to the plumbing out of the softener.
If you have other water treating equipment such as; chlorinator, sediment filter, neutralizer, iron filter, or taste & odor filter, they should be installed upstream of the water softener.
You may wish to consult a water professional if additional water treating equipment is to be installed.
Valve Layout
Outlet
Inlet
Meter
Cable
To Brine Tank
3/8" NPT
If the main plumbing is galvanized pipe and you are installing copper pipe, then you must use dielectric insulating connectors between the two styles of pipe.
WARNING: If pipes will be sweat soldered, do not connect adapters to the bypass until the pipes have cooled.
Drain
Line
IN OUT
Connector
Assembly
“H” Clip
3/8" Tube
Drain
1/2" Tube
Figure 7
Drain Line Flow Control
The drain line flow control (DLFC) requires assembly
(Figure 8).
1. Locate parts and a roll of plumber's tape. The plumbing adapters should be removed (Figure 10 Connector
Assembly).
2. Wrap the tape over threads of the flow control.
3. Screw the flow control and the 90° elbow together. Hand tighten.
4. Place the ball into the flow control and insert the assembly into the drain line opening.
5. Push the assembly in and secure with the drain line clip.
90° Elbow Flow Control
Drain Line Clip
IN
Handles in Service
OUT
Handles in Bypass
Figure 9 Bypass Operation
IMPORTANT: When the valve is in bypass, water will not enter the softening tank. The water in the building will not be treated. Figure 9 Bypass Operation, shows the handles in the service position.
WARNING:
The inlet water must be connected to the inlet port of the valve. When replacing a water valve, it is possible that the inlet and outlet plumbing is installed in a reversed position. Be certain the inlet connection on the valve is connected to the incoming water fitting from the water supply. Do not solder pipes with lead-based solder.
WARNING: Do not use petroleum grease on gaskets when connecting bypass plumbing. Use only 100% silicone grease products when installing any plastic valve. Non-silicone grease may cause plastic components to fail over time.
The bypass assembly connects to the water system by means of a connector assembly. The connector is secured to the plumbing and then inserted into the bypass. A clip is used to hold it in place.
Control Ball
Figure 8
Water Line Connection
Once you have selected your location, check the direction of the water flow in the main pipe.
Inspect the main water pipe. Write down the type of pipe
(copper, plastic, galvanized etc.). Record the size of the pipe.
Plastic style pipes usually have the size printed on the outside.
Other pipes can be measured for the outside diameter and converted into the pipe size at the store. Do not use pipe that is smaller than the main water pipe.
6 • AUTOTROL 368 Service Manual
Figure 10 Connector Assembly
EQUIPMENT INSTALLATION continued
Before inserting the connector:
• Check that all O-rings are in place and not damaged.
• O-rings are pre-lubricated. Sliding surfaces should be lubricated with 100% silicone grease.
Firmly insert connector into bypass. Press locking clip into position. Make certain the clip is fully engaged.
NOTE: Before turning on the water to the valve, rotate the two handles on the bypass valve 2-3 times. This will help seat O-rings and prevent leaking.
To remove a clip:
1. Turn off water and release water pressure at the valve.
2. Push the water line connectors into the bypass and valve.
This will help release O-rings that may have seated in place.
3. Remove the clip by inserting a flat blade under the top center of the clip and lifting (prying up) (Figure 10
Connector Assembly).
WARNING: Do not use pliers to remove a clip. It is likely the clip will break.
Drain Line Connection
NOTE: Standard commercial practices are expressed here.
Local codes may require changes to the following suggestions. Check with local authorities before installing a system.
1. The unit should be above and not more than 20 feet (6.1 m) from the drain. Use an appropriate adapter fitting to connect 1/2-inch (1.3 cm) plastic tubing to the drain line connection of the control valve.
2. If the unit is located 20-40 feet (6.1-12.2 m) from drain, use
3/4-inch (1.9 cm) tubing. Use appropriate fittings to connect the 3/4-inch tubing to the 3/4-inch NPT drain connection on valve.
3. The drain line may be elevated up to 6 feet (1.8 m) providing the run does not exceed 15 feet (4.6 m) and water pressure at the softener is not less than 40 psi (2.76 bar). Elevation can increase by 2 feet (61 cm) for each additional 10 psi (.69 bar) of water pressure at the drain connector.
4. Where the drain line is elevated but empties into a drain below the level of the control valve, form a 7-inch (18-cm) loop at the far end of the line so that the bottom of the loop is level with the drain line connection. This will provide an adequate siphon trap.
Where the drain empties into an overhead sewer line, a sink-type trap must be used.
NOTE: The drain line connects to the elbow previously installed. It is located between the water line connections at the rear of the valve.
5. Use pliers to expand a clamp. Slide the clamp up one end of the longer length drain line tubing about 1-2 inches and release.
6. Push the tubing over the ribbed drain line fitting.
7. Expand the clamp and move it up the tube to pinch the tube to the fitting.
8. Secure the discharge end of the drain line to prevent it from moving.
Overflow
Connection
Right Way
Figure 11 Drain Line Connection
NOTE:
Waste connections or drain outlet shall be designed and constructed to provide for connection to the sanitary waste system through an air-gap of 2 pipe diameters or 1 inch (22 mm) whichever is larger.
WARNING: Never insert drain line directly into a drain, sewer line, or trap (Figure 11 Drain Line
Connection). Always allow an air gap between the drain line and the wastewater to prevent the possibility of sewage being back-siphoned into the softener.
Overflow Line Connection
In the event of a malfunction, the salt TANK OVERFLOW will direct “overflow” to the drain instead of spilling on the floor.
This fitting should be on the side of the cabinet.
To connect the overflow line, locate the tubing connector on the side of the tank (Figure 12 Tubing Connections). Attach length of 1/2-inch (1.3-cm) I.D. tubing to fitting and run to drain. Do not elevate overflow line higher than overflow fitting.
Do not tie into drain line of control unit. Overflow line must be a direct, separate line from overflow fitting to drain, sewer or tub. Allow an air gap as per drain line instructions.
Salt Line Opening
Figure 12 Tubing Connections
AUTOTROL 368 Service Manual• 7
EQUIPMENT INSTALLATION continued
Salt Line Connection
The salt line from the brine tube connects to the valve. Make certain the connections are hand tightened. Be sure that the salt line is secure and free from air leaks. Even a small leak may cause the salt line to drain out, and the softener will not draw salt from the tank. This may also introduce air into the valve causing problems with valve operation.
To install the brine line:
1. Inside the salt tank, remove the cap from the large cylinder to gain access to the connection.
2. Be sure the brass insert is in the end of the brine tubing.
Insert the tubing through the opening in the tank.
3. Push the tubing into the plastic nut. Slowly unscrew the nut until the tubing moves into the connection. The tubing will hit bottom.
NOTE: Once the tubing has been pushed into the nut, it cannot be pulled out. The nut will need to be removed. See
Figure 13 for correct assembly.
4. Hand tighten the nut until the connection is tight.
Figure 13
Electrical Connection
WARNING: This valve and control are for dry location use only, unless used with a Listed Class 2 power supply suitable for outdoor use.
The controller operates on 12-volt alternating current power supply. This requires use of the an AC adapter with your system.
Make sure power source matches the rating printed on the AC adapter.
NOTE: The power source should be constant. Be certain the AC adapter is not on a switched outlet. Power interruptions longer than 8 hours may cause the controller to lose the time setting. When power is restored, the time setting must then be re-entered.
CONTROL OPERATION & LAYOUT
Large LED Display
A large 2 digit LED readout is highly visible in most installations.
Simplified Three-Step Programming
Only three buttons are required to fully program the control.
Camshaft Indicator
A column of windows located on the left of the control provides a visual indicator of the camshaft rotation.
Manual Regen Button
The Manual Regen button, when pressed, initiates either a delayed regeneration or immediate regeneration.
Time Button
When pressed, will display the current hour of day for 5 seconds. Press again to increase the hour of day by 1. Press and hold to change rapidly.
Salt Button
Press to display the current setting (HE/HC) for 5 seconds.
Press again during the 5 seconds to change the setting.
Hardness Button
Press to display the hardness setting for 5 seconds. Press again during the 5 seconds to increase the setting by 1 grain per gallon. Press and hold to change rapidly.
Flow Indicator
The decimal point/flow indicator blinks on and off when water flow turns the meter.
Power Loss Memory Retention
The control features battery-free Time of Day retention during loss of power. The Time will remain in memory.
NOTE: All other programmed parameters are stored in the flash memory and are retained during power outages.
Flash memory retention is 100 years
Camshaft
Indicator
Regen
Button
Display
Time
Button
Salt
Button
Injector
Cap
Regen
Interval/Days
Button
Refill
Control Cap
Remove
Cover
Delayed Regen
Indicator
Figure 14
Flow
Indicator
8 • AUTOTROL 368 Service Manual
PROGRAMMING - 368/604 PROGRAMMING - 368/606
Figure 15
Time of Day: Press until desired hour appears. Release.
Range: 0 through 23 hours
NOTE: The elapsed minutes will reset to zero when the hours are changed.
Figure 18
Time of Day: Press until desired hour appears. Release.
Range: 0 through 23 hours
NOTE: The elapsed minutes will reset to zero when the hours are changed.
Figure 16
Regenerant Dosage: Press until desired regenerant dosage appears. Release.
Range: 0.5 lbs to 30 lbs
0.5 lbs to 5.0 lbs by increments of 0.5 lbs (10 increments)
6.0 lbs to 30 lbs by increments of 1.0 lbs (25 increments)
Default: 3.0 lbs
Range: 0.20 kg to 6.0 kg
0.20 kg to 1.0 kg by increments of 0.05 kg
1.0 kg to 3.0 kg by increments of 0.1 kg
3.0 kg to 60 kg by increments of 0.5 kg
Default: 0.6 kg
Figure 19
Regenerant Dosage: Press until desired regenerant dosage appears. Release.
Range: 0.5 lbs to 30 lbs
0.5 lbs to 5.0 lbs by increments of 0.5 lbs (10 increments)
6.0 lbs to 30 lbs by increments of 1.0 lbs (25 increments)
Default: 30 lbs
Range: 0.20 kg to 6.0 kg
0.20 kg to 1.0 kg by increments of 0.05 kg (16 increments)
1.0 kg to 3.0 kg by increments of 0.1 kg (20 increments)
3.0 kg to 60 kg by increments of 0.5 kg (6 increments)
Default: 0.6 kg
Figure 17
Regen Interval: Press until desired interval appears.
Release.
Range: 0 through 30
0 = Disabled
0.3 = Regeneration every 8 hours: at 2, 10 and 18 hrs
0.5 = Regeneration every 12 hours: at 2 and 14 hrs
1-30 = Days: 2
Programming is complete.
Figure 20
AUTOTROL 368 Service Manual• 9
PROGRAMMING - 368/606 continued
Regen Interval: Press until desired interval appears.
Release. 1 (x100 gallon) to 40 (x100 gallon) by increments of
1 (x100 gallon) (40 steps)
Default: 10 (x100 gallon)
Range: 0.40 to 9.5 cubic meters
0.4 m
3
to 1.0 m
3
by increments of 0.05 m
3
(12 increments)
1.0 m
3
to 3.0 m
3
by increments of 0.1 m
3
(20 increments)
3.0 m
3
to 5.0 m
3
by increments of 0.2 m
3
(10 increments)
5.0 m
3
to 9.5 m
3
by increments of 0.05 m
3
(10 increments)
Programming is complete.
Calendar Override Setting
The model 606 demand control needs a method to set days between regeneration for regulatory requirements and for cases when the flow sensor has failed.
Enter by holding and for 3 seconds. The programmed calendar override is displayed. Press to increase value.
Values the same as 604.
0 = no calendar override
0.3 = Regeneration every 8 hours
0.5 = Regeneration every 12 hours
1-30 days between regeneration
Default: 0
MANUAL REGENERATION
Delayed Regeneration
Press and release to program a delayed regeneration. The system will regenerate at the next Time of Regeneration
(2:00 AM). Repeat procedure to disable the Delayed Regen.
Regen dot blinks when delayed regeneration is on.
Immediate Regeneration
Press and hold the for 3 seconds to initiate an immediate regeneration. The control cycles to backwash. The control will proceed through a complete regeneration. A cascading symbol (- -) will be displayed until regeneration is complete.
The symbol (- -) is not displayed during a quick cycling of the control.
Figure 21
QUICK CYCLING THE CONTROL
Quick Cycling
Press and hold the for 3 seconds to initiate an immediate regeneration. The control will cycle to the backwash cycle.
1. Press and release the to display "C 1"
2. Simultaneously press then release and to move the control to the next cycle.
NOTE: The time may be displayed for 5 seconds.
3. Press and release the to display "- -" or the "C#".
Continued pressing of will switch the display between
"- -" and "C#".
4. Repeat steps 2 and 3 to cycle through each position.
Quick Cycle to Service Position
Simultaneously press and and hold for 3 seconds during any regeneration cycle. The control will skip the remaining regeneration cycles and return to the service position. The
Time of Day will be displayed when the control reaches the service position.
Figure 22
SYSTEM SELECTION AND RESET
PROCEDURES
The 604 and 606 controls have four system settings available.
The system selections accommodate multiple tank sizes and various feedwater water conditions. Please contact your installer before changing system settings.
System Selection:
1. Press and hold the and buttons simultaneously for
3 seconds.
2. A small "u" will be displayed in the left digit. The right digit will display the current system setting.
3. Press the button to scroll through the system settings.
Release the button when the desired system setting is displayed.
4. The displayed system setting will be stored in Flash memory when the control exits programming after 5 seconds.
System Selection Reset:
All programmed settings with the exception of Time of Day can be reset. Entering the value "0" will reset the flash memory to the factory default.
1. Press and hold the and buttons simultaneously for
3 seconds.
2. A small "u" will be displayed in the left digit. The right digit will display the current system setting.
3. Press the button and scroll the display to the "u 0" display.
10 • AUTOTROL 368 Service Manual
SYSTEM SELECTION AND RESET
PROCEDURES continued
4. Wait 5 seconds for the setting to be stored into flash memory. The display will revert to the Time of Day setting.
The control has now defaulted to System 1 setting.
5. Follow steps 1-4 of the System Selection procedure to select the desired system setting.
Programmed Settings
C# Cycle
C1
C2
Backwash
Brine Draw
Slow Rinse
C3 Repressurize
C4
C5
C6
C7
Fast Rinse
2nd
Backwash
2nd Fast
Rinse
Brine Refill
Resin
Bed Flow
Direction
↑
↓
None
↓
↑
↓
System u1 (min)
8 8 1 3
Calculated Calculated Calculated Calculated
3
1
25
3
45
3
3
1
25
3
1
1
45
3
3
1
1
System u2 (min)
1
System u3 (min)
1
System u4 (min)
1
None Calculated Calculated Calculated Calculated
ACCESSING HISTORY VALUES
The control features a review level that displays the operation history of the system. This is a great troubleshooting tool for the control valve.
To access history values, press Recharge followed by the
Salt Amount button and hold for 3 seconds to view the
Diagnostic Codes.
NOTE: If a button is not pushed for 30 seconds, the controller will exit the history table.
Press the Time of Day button to increment through the table. When the desired code is reached, Press the Salt Amount button to display the value.
Some of the values have four digits 1, 2, 3, 4. Press the Salt
Amount button to display the first two (1, 2). Press the
Water Hardness button to display the last two (3, 4).
When the Salt Amount button is pressed to view H2 the current flow rate will be displayed but not updated. Continue to press and release the Salt Amount button every 5 seconds to update the display. The flow dot on the display will flash when there is flow thru the softener.
A3
A4
A5
A6
Code
H1
H2
H3
Description
Days since last recharge
Current flow rate
Current day of week
H4 Water used today since 0200
H5 Water used since last recharge
A0
A1
A2
Average water usage for day 0
Average water usage for day 1
Average water usage for day 2
Average water usage for day 3
Average water usage for day 4
Average water usage for day 5
Average water usage for day 6
Notes
Days since last recharge
Gallons per minute
Current day of week
In gallons, max value displayed 9999 max value stored 65,535.
START-UP
The conditioner will now need to be placed into operation.
Please review Quick Cycling the Control procedure before attempting start-up.
DO NOT put regenerant material into the brine tank.
1. With the supply water for the system still turned off, position the bypass valve to the “not in bypass” (normal operation) position.
Both valve handles pointing in direction of water flow
2. Press and hold the button on the controller for 3 seconds. This will initiate a manual regeneration, and cycle to the backwash position.
3. Filling the media tank with water.
A. With the conditioner in backwash, open the water supply valve very slowly to approximately the 1/4 open position.
Water will begin to enter the media tank. Air will begin to be purged to drain as the media tank fills with water.
WARNING:
If opened too rapidly or too far, media may be lost out of the tank into the valve or the plumbing. In the 1/4 open position, you should hear air slowly escaping from the valve drain line.
B. When all of the air has been purged from the media tank (water begins to flow steadily from the drain line), open the main supply valve all of the way. This will purge the final air from the tank.
C. Allow water to run to drain until the water runs clear from the drain line. This purges any debris from the media bed.
D. Pour water into the brine tank. Advance to cycle 2 (Brine
Draw) by pressing the and buttons at the same time. The water in the brine tank should be drawn into the valve. If the water is not receding from the tank, refer to Troubleshooting.
E. Quickly cycle the control to the refill cycle (C7). Place salt in brine tank. Allow this cycle to finish and the control to move to service. The brine tank will have the correct amount of water.
WARNING: Ensure that the system has been properly disinfected per the water conditioning system manufacturer's recommendations.
The water conditioning system is now fully operational.
The display will show the hour of the day. The decimal point at bottom center of the display will blink when water is flowing.
AUTOTROL 368 Service Manual• 11
VALVE ASSEMBLY - 368
E
2
F
B
C
D
10
4
3
12
8
7
A
11
9
4
5
1
G
6
12 • AUTOTROL 368 Service Manual
VALVE ASSEMBLY - 368 continued
Item No. QTY Part No. Description
1 ....................1 ............................................Valve Body Assembly
...........4001890 ..................Kit, Service, Valve 368-604B, 14,WD
...........4001891 ..................Kit, Service, Valve 368-606B, 14,WD
...........4001892 ..................Kit, Service, Valve 368-604B, 33,WD
...........4001893 ..................Kit, Service, Valve 368-606B, 33,WD
...........4001494 ..................Kit, Service, Valve 368-604B, 14, NA
...........4001495 ..................Kit, Service, Valve 368-606B, 14, NA
...........4001896 ..................Kit, Service, Valve 368-604B, 33, NA
...........4001897 ..................Kit, Service, Valve 368-606B, 33, NA
A ....................1 ..........4001260 ..................12 Volt Motor/Optical Sensor Cable
Assembly
B ...................1 ..........1000269 ..................Injector Cap Assembly
C ....................1 ............................................Injector/Screen Assemblies
...........3026445 ..................E Injector 6" Tank - Yellow
...........3026446 ..................F Injector 7" Tank - Peach
...........3026447 ..................G Injector 8" Tank - Tan
...........3026448 ..................H Injector 9" Tank - Lt Purple
...........4000880 ..................J Injector 10" Tank - Lt Blue
D ...................1 ............................................Refill Flow Control Assemblies
...........1000221 ..................Ass'y Refill Cont - 0.14 gpm
...........1243510 ..................Ass'y Refill Cont - 0.33 gpm
(Required with 1030502)
...........1030502 ..................Ball, Brine-Backwash, 0.557"Dia.
Required with 1243510)
E ....................1 ..........3027837 ..................Meter Cable
F ....................1 ............................................Valve Controller Assembly - 368
...........4001617 ..................368/604B Control - NA 0.33 gpm
...........4001741 ..................368/604B Control - World 0.33 gpm
...........4001618 ..................368/606B Control - NA 0.33 gpm
...........4001742 ..................368/606B Control - World 0.33 gpm
...........4001739 ..................368/604 Control - NA 0.14 gpm
...........4001737 ..................368/604 Control - World 0.14 gpm
...........4001740 ..................368/606 Control - NA 0.14 gpm
...........4001738 ..................368/606 Control - World 0.14 gpm
G ....................1 ..........4001889 ..................Valve O-ring Kit
2 ....................1 ............................................AC Wall Mound Adapters
...........1000812 ..................Australian Wall Trans - 240V
...........1000813 ..................British Wall Trans - 240 V
...........3031517 ..................China Wall Trans - 240V
...........1262524 ..................Europe Cord Connect Trans - 240V
...........1000814 ..................Europe WallTrans - 240V
...........1000810 ..................Japan Wall Trans - 100V
...........1000811 ..................N. Amer Wall Trans - 120V
...........1030418 ..................N. Amer WallTrans - 230V
...........3019151 ..................N. Amer WallTrans - 120V E EFF
...........1235448 ..................N. Amer Outdoor Trans - 120V
3 .................................1 ...............................3027839 .......... Meter Assembly
4 .................................1 ...............................3031825 .......... Kit, O-ring Manifold
5 .................................1 ...............................4000886 .......... 368 Bypass
Item No. QTY Part No. Description
6 ....................1 ............................................Kit, Bypass Connectors (2 connectors)
...........4001606 ..................Kit, 3/4" BSP Connectors
...........4001605 ..................Kit, 3/4" NPT Connectors
...........4000888 ..................Kit, 1" NPT Connectors
...........4001604 ..................Kit, 1" BSP Connectors
7 ....................1 ............................................Kit, Drain Line Flow Control Bypass -
368
...........4001297 ..................#6 EXT DLFC - Bypass - BSP
...........4001298 ..................#7 EXT DLFC - Bypass - BSP
...........4001299 ..................#8 EXT DLFC - Bypass - BSP
...........4001300 ..................#9 EXT DLFC - Bypass - BSP
...........4001545 ..................#10 EXT DLFC - Bypass - BSP
...........4001284 ..................#6 EXT DLFC - Bypass - NPT
...........4001285 ..................#7 EXT DLFC - Bypass - NPT
...........4001028 ..................#8 EXT DLFC - Bypass - NPT
...........4001286 ..................#9 EXT DLFC - Bypass - NPT
...........4000887 ..................#10 EXT DLFC - Bypass - NPT
8 ....................1 ..........4000871 ..................Elbow 36X Valves, 3/8 tube x 3/8 NPT
(only used with bypass)
9 ....................1 ..........4000996 ..................Drainline 90° 1/2 NPT x 1/2 Hose
Barb
10 ..................1 ............................................Manifold Assembly - 368
...........3031927 ..................3/4" BSP Adapter - Gray
...........4000968 ..................3/4" NPT Manifold/Adapter
...........4000970 ..................3/4" BSP Adapter - Black
...........4000969 ..................3/4" NPT Adapter - Black
11 ..................1 ............................................Kit, Drain Line Flow Control Manifold
- 368 (only used with manifold)
...........3031526 ..................#6 EXT DLFC - Manifold - BSP
...........3031527 ..................#7 EXT DLFC - Manifold - BSP
...........3031528 ..................#8 EXT DLFC - Manifold - BSP
...........3031529 ..................#9 EXT DLFC - Manifold - BSP
...........4001303 ..................#6 EXT DLFC - Manifold - NPT
...........4001307 ..................#7 EXT DLFC - Manifold - NPT
...........4001310 ..................#8 EXT DLFC - Manifold - NPT
...........4001313 ..................#9 EXT DLFC - Manifold - NPT
12 ...............................4000390 ..................Bypass Clip DLFC, 360 Valve
AUTOTROL 368 Service Manual• 13
TROUBLESHOOTING
604-606 Control - Error Codes
Problem Possible Cause
Err 1 is displayed.
Program settings have been corrupted.
Err 3 is displayed.
Control does not detect the camshaft position and is returning to the service position.
Camshaft is not turning during Err 3 display.
Solution
Press any key. If Err 1 does not clear, replace control.
Wait until the control returns to the service position.
Camshaft is turning more than five minutes to find Home position:
Check that motor is connected. Verify that the motor wire harness is connected to motor and controller module. Verify that optical sensor is connected and in place. Verify that motor gear has engaged the camshaft.
If everything is connected, replace components in this order:
1. Motor Assembly, Optical Sensor
2. Control
Verify that optical sensor is in place and connected to wire.
Inspect for debris in the camshaft slots.
If motor continues to rotate indefinitely, replace the following components in this order:
1. Motor Assembly, Optical Sensor
2. Control
System
Salt tank overflow.
Problem
Flowing or dripping water at drain or salt line after recharge.
Hard water leakage after recharge.
Control will not draw salt.
Control will not recharge automatically.
Control recharges at wrong time of day.
Intermittent salt draw.
No conditioned water after recharge.
Backwashes or purges at excessively low or high rate.
Runs out of conditioned water between recharges.
Flow indicator on control does not display service flow.
Possible Cause
Loose salt line connection.
Drain line restricted with debris.
Debris is preventing #3 or #4 valve disc from closing.
Worn #3 or #4 valve disc.
Improper recharge.
Defective motor.
Meter clogged with debris.
Time of Day set incorrectly.
Low water pressure.
No salt in salt tank.
Injector plugged.
No drain line flow control.
Restricted drain line.
Control improperly programmed.
Ensure all salt line connections are tight.
Clean drain control.
Remove debris.
Solution
Replace valve discs.
Repeat recharge after making certain correct salt dosage was set.
Leaking of external bypass valve.
O-Ring around riser pipe damaged.
Restricted drain line.
Injector plugged.
Replace bypass valve.
Replace O-ring.
Remove restriction.
Clean injector and screen.
Debris is preventing valve discs from closing. Remove foreign matter from valve discs.
AC adapter or motor not connected.
Connect power.
Replace motor.
Remove and clean meter.
Set the correct Time of Day.
Maintain a minimum of 20 psi
(1.3 bar) feed.
Add salt to salt tank.
Clean injector and screen.
Install drain line flow control.
Remove restriction.
Verify salt dosage.
Bypass valve in bypass position.
Meter cable dislodged from valve.
Meter clogged with debris.
Remove bypass valve from bypass.
Fully insert meter cable into valve.
Remove and clean meter.
14 • AUTOTROL 368 Service Manual
SERVICE ASSEMBLIES
Valve Body Assemblies:
4001890 ........................... Kit, Service, Valve 368-604B, 14, World
4001891 ........................... Kit, Service, Valve 368-606B, 14, World
4001892 ........................... Kit, Service, Valve 368-604B, 33, World
4001893 ........................... Kit, Service, Valve 368-606B, 33, World
4001494 ........................... Kit, Service, Valve 368-604B, 14, N. America
4001495 ........................... Kit, Service, Valve 368-606B, 14, N. America
4001896 ........................... Kit, Service, Valve 368-604B, 33, N. America
4001897 ........................... Kit, Service, Valve 368-606B, 33, N. America
4001889 ........................... Valve O-ring Kit
Controllers:
4001617 ........................... 368/604B Control - North America 0.33 gpm
4001618 ........................... 368/606B Control - North America 0.33 gpm
4001739 ........................... 368/604 Control - North America 0.14 gpm
4001740 ........................... 368/606 Control - North America 0.14 gpm
4001741 ........................... 368/604B Control - World 0.33 gpm
4001742 ........................... 368/606B Control - World 0.33 gpm
4001737 ........................... 368/604 Control - World 0.14 gpm
4001738 ........................... 368/606 Control - World 0.14 gpm
Motors:
4001260 ........................... 12 Volt Motor/Optical Sensor/Cable Assembly
Injectors:
1000269 ........................... Injector, Cap Assembly
3026445 ........................... E Injector 6" Tank - Yellow
3026446 ........................... F Injector 7" Tank - Peach
3026447 ........................... G Injector 8" Tank - Tan
3026448 ........................... H Injector 9" Tank - Lt Purple
4000880 ........................... J Injector 10" Tank - Lt Blue
1000221 ........................... Ass'y Refill Cont - 0.14 gpm (Required with 1030502)
1030502 ........................... Ass'y Refill Cont - 0.33 gpm (Required with 1243510)
Meters:
3027837 ........................... Meter Cable
3027839 ........................... Meter Assembly
Bypass/Manifold:
4000886 ........................... 368 Bypass
3031927 ........................... 3/4" BSP Adapter - Gray
4000968 ........................... 3/4" NPT Manifold/Adapter
4000970 ........................... 3/4" BSP Adapter - Black
4000969 ........................... 3/4" NPT Adapter - Black
3031825 ........................... Kit, O-ring Manifold
3027832 ........................... Bar, Locking, SS, 360 Series
40576-01 ......................... Clip, H, Plastic
DLFC:
4001297 ........................... #6 EXT DLFC - Bypass - BSP
4001298 ........................... #7 EXT DLFC - Bypass - BSP
4001299 ........................... #8 EXT DLFC - Bypass - BSP
4001300 ........................... #9 EXT DLFC - Bypass - BSP
4001545 ........................... #10 EXT DLFC - Bypass - BSP
4001284 ........................... #6 EXT DLFC - Bypass - NPT
4001285 ........................... #7 EXT DLFC - Bypass - NPT
4001028 ........................... #8 EXT DLFC - Bypass - NPT
4001286 ........................... #9 EXT DLFC - Bypass - NPT
4001287 ........................... #10 EXT DLFC - Bypass - NPT
3031526 ........................... #6 EXT DLFC - Manifold - BSP
3031527 ........................... #7 EXT DLFC - Manifold - BSP
3031528 ........................... #8 EXT DLFC - Manifold - BSP
3031529 ........................... #9 EXT DLFC - Manifold - BSP
4001303 ........................... #6 EXT DLFC - Manifold - NPT
4001307 ........................... #7 EXT DLFC - Manifold - NPT
4001310 ........................... #8 EXT DLFC - Manifold - NPT
4001313 ........................... #9 EXT DLFC - Manifold - NPT
4000887 ........................... #10 EXT DLFC - Bypass - NPT
4000390 ........................... Bypass Clip, DLFC, 360 Valve
Fittings/Connectors:
4000871 ........................... Elbow 36X Valves, 3/8 Tube x 3/8 NPT (Only used w/Bypass)
4000996 ........................... Drainline 90°, 1/2 NPT x 1/2 Hose Barb
4001606 ........................... Kit, 3/4" BSP Connectors
4001605 ........................... Kit, 3/4" NPT Connectors
4000888 ........................... Kit, 1" NPT Connectors
4001604 ........................... Kit, 1" BSP Connectors
Power:
1000812 ........................... Australian Wall Trans - 240V
1000813 ........................... British Wall Trans - 240V
3031517 ........................... China Wall Trans - 240V
1262524 ........................... Europe Cord Connect Trans 240V
1000814 ........................... Europe Wall Trans - 240V
1000810 ........................... Japan Wall Trans - 100V
1000811 ........................... N. Amer Wall Trans - 120V
1030418 ........................... N. Amer Wall Trans - 230V
3019151 ........................... N. Amer Wall Trans - 120V E EFF
1235448 ........................... N. Amer Outdoor Trans - 120V
AUTOTROL 368 Service Manual• 15
VALVE DIMENSIONS- 368
(101.60)
4.00
(42.67)
1.68
(49.71)
1.96
(63.55)
2.50
(101.60)
4.00
(50.80)
2.00
(42.67)
1.68
(63.55)
2.50
VALVE LAYOUT - 368
Meter
Cable
Figure 2
Outlet
Drain
1/2" BSPT/NPT
Inlet
Brine
3/8" NPT
(273.08)
10.75
(153.49)
6.04
(90.42)
3.56
(81.28)
(119.70) 3.20
4.71
(3.99)
0.16
(222.25)
8.75
(81.28)
(119.70) 3.20
(110.70)
4.36
Figure 1
(90.43)
3.56
(153.49)
6.04
(208.35)
8.20
(222.25)
8.75
(110.70)
4.36
Figure 3
16 • AUTOTROL 368 Service Manual
PERFORMANCE SPECIFICATIONS
Flow Rates (Valve Only)
Service @ 15 psi (1.03 bar drop) ....................................................
...........................................16.6 gpm (4.3 Cv) / 3.77 m
3
/h (3.68kV)
Backwash @ 25 psi (1.72 bar drop) ...............................................
.............................................2.75 gpm (.55 Cv) / 0.62 m
3
/h (.48kV)
Service............................................................................... 3.68 Kv
Backwash .......................................................................... 0.48 Kv
Valve Connections
Tank Thread ............................................. 2-1/2-inches – 8, male
Inlet/Outlet Thread ................. 3/4" BSPT, male, 3/4" NPT, male,
.........................................................1" BSPT, male, 1" NPT, male
Drain Line...........................1/2" – BSPT, male, 1/2" – NPT, male
Brine Line........................... 3/8" – BSPT male, 3/8" – NPT, male
Distributor Tube Diameter ............................ 1.050 inch (27 mm)
Distributor Tube Length ............... Flush to top of tank ± 1/2-inch
Design Specifications
Valve Body ....................................................... Glass-filled Noryl
*
Rubber Components ........................Compounded for cold water
Operating Pressure ........................... 20-125 psi (1.38 – 8.61 bar)
Water Temperature ........................................35-100°F (2 - 38°C)
Ambient Temperature ....................................35-122°F (2 - 50°C)
Refill Flow Rate ........ 0.14 gpm (0.53 Lpm)/0.33 gpm (1.25 Lpm)
Options/Accessories (6" to 10" diameter tanks)
Regenerant Injectors .......................................... E, F, G, H, and J
External Drain Line Flow Controls ...............................................
................................. 1.0, 1.3, 1.7, 2.2 gpm (3.8, 4.9, 6.4, 8.3 Lpm)
SERVICE Cv = 4.3
10
5
0
0
25
20
15
5 10
FLOW IN GPM
15 20
BW Cv = .56
30
25
20
15
10
5
0
0 0.5
1 1.5
FLOW IN GPM
2 2.5
3
SERVICE Kv = 3.7
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0 1 2 3
FLOW IN M^3/HR
4 5
BW Kv = 0.48
2.5
2
1.5
1
0.5
0
0 0.1
0.2
0.3
0.4
FLOW IN M^3/HR
0.5
0.6
0.7
0.8
AUTOTROL 368 Service Manual• 17
FLOW DATA CHARTS
Injector
Performance Graphs
Injector “F” (Peach)
For 7-inch Tanks
bar
2 3.5
5 6
0.35
0.30
0.25
0.20
0.15
0.10
7.5
0.05
0.00
LWR6057
20 40 60
PSI
80 100
TOTAL BRINE DRAW RINSE
120 m
3
/ hr
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.00
0.50
0.40
0.30
0.20
0.10
2 3.5
Injector “G” (Tan)
For 8-inch Tanks
bar
5 6 7.5
0.00
20 40 60
PSI
80 100
TOTAL BRINE DRAW RINSE
LWR6057
120 m
3
/ hr
0.11
0.10
0.05
0.04
0.03
0.02
0.09
0.08
0.07
0.06
0.01
0.00
0.70
0.60
0.50
0.40
0.30
0.20
2
Injector “H” (Light Purple)
For 9-inch Tanks
bar
3.5
5 6 7.5
0.10
LWR6151
0.00
20 40 60
PSI
80 100
TOTAL BRINE DRAW RINSE
18 • AUTOTROL 368 Service Manual
120
0.04
0.02
0.00
0.10
0.08
0.06
m
3
/hr
0.16
0.14
0.12
0.80
0.60
0.40
0.20
2
Injector “J” (Light Blue)
For 10-inch Tanks
3.5
5 bar
6 7.5
0.00
20 40 60 80 100
PSI
TOTAL BRINE DRAW RINSE
LWR6151
120 m
3
/hr
0.18
0.16
0.08
0.06
0.04
0.02
0.00
0.14
0.12
0.10
AUTOTROL 368 Service Manual• 19
For Autotrol Product Warranties visit:
Autotrol para las garantías de los productos visite:
Pour Autotrol garanties produit visitez le site :
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