SIGNATURE 2 SERIES
Service Instructions / Instructional Videos Available at www.csiwater.com
A.
General Preliminary Instructions
PERFORM BEFORE ALL SERVICING OPERATIONS
1. Turn off water supply to conditioner.
-If the conditioner installation has a “three valve” bypass system, first open the valve in the bypass line, then
close the valves at the conditioner inlet and outlet.
-If the conditioner has an integral bypass valve, put it in the bypass position.
-If there is only a shut off valve near the conditioner inlet, close it.
2. Remove cover and relieve water pressure in the conditioner by stepping the control into the backwash
position momentarily. Return the control to the service position.
3. Unplug electrical cord from outlet.
B.
To Replace Injectors & Screen
1. Follow steps
A1 - A3
(above)
2. Remove injector cap screws and remove cap.
3. Remove injector assembly. Apply silicone lubricant to new injector assembly O rings and install. Be sure to
push injector assembly tightly so O rings are seated. Install a new screen.
4. Apply silicone lubricant to new gasket and install on injector cap.
5. Follow
D7 - D14.
C.
To Replace Powerhead
1. Remove the control valve cover and disconnect the power supply.
2. Disconnect the meter cable from circuit board and feed back through control (if existing meter is being re-used)
3. Remove screw and washer at drive yoke. Remove powerhead mounting screws. The entire powerhead
assembly will now lift off easily.
4. Put new powerhead on top of the valve. Be sure the drive pin on main gear engages slot in drive yoke (wide
side of drive yoke upright must face to the left away from the motor).
5. Replace powerhead mounting screws. Replace screw and washer at drive yoke.
6. Reconnect meter signal, optical sensor, power supply, and circuit board signal wires.
7. Reinstall cover.
19
D.
To Replace Brine Valve
1
.
Follow steps
A1 - A3
2. Remove the control valve cover. Disconnect the meter cable from the meter assembly.
3. Remove screw and washer at piston drive yoke. Remove powerhead mounting screws. The entire powerhead
assembly will now lift off easily.
4. Remove piston retaining plate screws and pull upward on end of piston yoke until assembly is out of valve.
5. Pull brine valve from valve body.
6. Apply silicone lubricant to O ring on new brine valve assembly and press into brine valve hole, shoulder on
bushing should be flush with injector body.
7. Reinstall piston and powerhead assembly.
8. Reconnect brine tube and drain line.
9. Return bypass or inlet valving to normal service position. Water pressure should now be applied to the
conditioner, and any bypass line shut off.
10. Check for leaks at all seal areas. Check drain seal with the control in the backwash position.
11. Plug electrical cord into outlet.
12. Set time of day and cycle control valve manually to assure proper function. Make sure control valve is
returned to the service position.
13. Make sure there is enough salt in the brine tank.
14. Start regeneration cycle manually if water is hard.
15. Replace control valve cover.