TABLE OF CONTENTS
JOB SPECIFICATION SHEET .................................................... 3
INSTALLATION ......................................................................... 3
SYSTEM CONFIGURATIONS ..................................................... 4
SYSTEM DEFINITIONS ............................................................. 6
TIMER OPERATION .................................................................. 6
TIMER DISPLAY FEATURES ..................................................... 6
TIMER DISPLAY - SCREEN EXAMPLES ................................... 7
NETWORK/COMMUNICATION CABLES
AND CONNECTIONS ................................................................ 7
NXT MULTI LANGUAGE PROGRAMMING PARAMETERS
AND RANGES ........................................................................... 8
MASTER PROGRAMMING MODE FLOW CHART ...................... 9
MASTER PROGRAMMING GUIDE ............................................ 10
USER PROGRAMMING MODE FLOW CHART ........................... 14
DIAGNOSTIC PROGRAMMING MODE FLOW CHART ............... 14
DIAGNOSTIC PROGRAMMING GUIDE ...................................... 15
POWERHEAD ASSEMBLY......................................................... 16
CONTROL VALVE ASSEMBLY ................................................... 17
BYPASS ASSEMBLY.................................................................. 18
2310 SAFETY BRINE VALVE ..................................................... 19
TROUBLESHOOTING ................................................................ 20
GENERAL SERVICE HINTS FOR METER CONTROL ................ 21
WATER CONDITIONER FLOW DIAGRAMS ............................... 23
REMOVING THE GEAR BOX ASSEMBLY ................................... 26
INSERTING THE CIRCUIT BOARD ........................................... 27
CONNECTING THE CIRCUIT BOARD ....................................... 27
DIMENSIONAL DRAWINGS ...................................................... 28
METER FLOW DATA .................................................................. 29
INJECTOR FLOW DATA ............................................................. 30
SERVICE ASSEMBLIES ............................................................ 31
IMPORTANT PLEASE READ:
• The information, specifications and illustrations
in this manual are based on the latest information
available at the time of printing. The manufacturer
reserves the right to make changes at any time
without notice.
• This manual is intended as a guide for service
of the valve only. System installation requires
information from a number of suppliers not known
at the time of manufacture. This product should be
installed by a plumbing professional.
• This unit is designed to be installed on potable
water system only.
• This product must be installed in compliance with
all state and municipal plumbing and electrical
codes. Permits may be required at the time of
installation.
• It is established that when daytime water pressure
exceeds 80 psi (5.5 bar), the maximum pressure
rating of 125 psi (8.6 bar) can be exceeded. A
pressure regulator must be installed on this
system or warranty is voided.
• Do not install the unit where temperatures may
drop below 32°F (0°C) or above 125°F (52°C).
• Do not place the unit in direct sunlight. Black
units will absorb radiant heat increasing internal
temperatures.
• Do not strike the valve or any of the components.
• Warranty of this product extends to manufacturing
defects. Misapplication of this product may result
in failure to properly condition water, or damage to
product.
• A prefilter should be used on installations in which
free solids are present.
• In some applications local municipalities treat
water with Chloramines. High Chloramine levels
may damage valve components.
• Correct and constant voltage must be supplied to
the controller to maintain proper function.
2 •
FLECK
7000 NXT Service Manual
