Hydrotech SXT Timer User Manual
Hydrotech Water purifiers

Fleck SXT Timer
Service Manual
42713 Rev F JL10
TABLE OF CONTENTS
JOB SPECIFICATION SHEET ...............................................1
INSTALLATION ......................................................................2
START-UP INSTRUCTIONS ..................................................2
TIMER FEATURES ................................................................3
TIMER OPERATION ..............................................................4
MASTER PROGRAMMING MODE CHART ..........................5
MASTER PROGRAMMING MODE ........................................6
USER PROGRAMMING MODE .............................................9
DIAGNOSTIC PROGRAMMING MODE ................................10
CONTROL VALVE ASSEMBLY ..............................................11
VALVE POWERHEAD ASSEMBLY ........................................12
3/4" TURBINE METER ASSEMBLY .......................................13
BYPASS VALVE ASSEMBLY (PLASTIC) ...............................14
BYPASS VALVE ASSEMBLY (METAL) ..................................15
2300 SAFETY BRINE VALVE.................................................16
2310 SAFETY BRINE VALVE.................................................17
TROUBLESHOOTING ...........................................................18
WATER CONDITIONER FLOW DIAGRAMS .........................20
WIRING DIAGRAM ................................................................21
SERVICE INSTRUCTIONS ....................................................22
SERVICE ASSEMBLIES ........................................................24
JOB SPECIFICATION SHEET
Job Number: ___________________________________________________
Model Number: _________________________________________________
Water Hardness: _______________________________________ ppm or gpg
Capacity Per Unit: _______________________________________________
Mineral Tank Size: ______________ Diameter: ________ Height: _________
Salt Setting per Regeneration: _____________________________________
1. Type of Timer:
A. 7 Day or 12 Day
B. Meter Initiated
2. Downflow:
Upflow
Upflow Variable
3. Meter Size:
A. 3/4" Std Range (125 - 2,100 gallon setting)
B. 3/4" Ext Range (625 - 10,625 gallon setting)
C. 1" Std Range (310 - 5,270 gallon setting)
D. 1" Ext Range (1,150 - 26,350 gallon setting)
E. 1-1/2" Std Range (625 - 10,625 gallon setting)
F. 1-1/2" Ext Range (3,125 - 53,125 gallon setting)
G. 2" Std Range (1,250 - 21,250 gallon setting)
H. 2" Ext Range (6,250 - 106,250 gallon setting)
I. 3" Std Range (3,750 - 63,750 gallon setting)
J. 3" Ext Range (18,750 - 318,750 gallon setting)
K. Electronic _________ Pulse Count ________ Meter Size _______
4. System Type:
A. System #4: 1 Tank, 1 Meter, Immediate, or Delayed Regeneration
B. System #4: Time Clock
C. System #4: Twin Tank
D. System #5: 2-5 Tanks, Interlock Mechanical
2-4 Tanks, Interlock Electronic
Meter per unit for Mechanical and Electronic
E. System #6: 2-5 Tanks, 1 Meter, Series Regeneration, Mechanical
2-4 Tanks, 1 Meter, Series Regeneration, Electronic
F. System #7: 2-5 Tanks, 1 Meter, Alternating Regeneration,
Mechanical
2 Tanks only, 1 Meter, Alternating Regeneration,
Electronic
G. System #9: Electronic Only, 2-4 Tanks, Meter per Valve, Alternating
H. System #14: Electronic Only, 2-4 Tanks, Meter per Valve. Brings
units on and offline based on flow.
5. Timer Program Settings:
A. Backwash: ___________________________________ Minutes
B. Brine and Slow Rinse: __________________________ Minutes
C. Rapid Rinse: _________________________________ Minutes
D. Brine Tank Refill: ______________________________ Minutes
E. Pause Time: __________________________________ Minutes
F. Second Backwash: ____________________________ Minutes
6. Drain Line Flow Control: ______________________________gpm
7. Brine Line Flow Controller: ____________________________gpm
8. Injector Size#: ____________________________________________
9. Piston Type:
A. Hard Water Bypass
B. No Hard Water Bypass