User Manual

V. COMPONENT IDENTIFICATION,
CALIBRATION AND PREVENTIVE CARE
A. PRIMARY COMPONENT IDENTIFICATION
As identied in Section III, the CTCII Chemical Treatment
Controllers main circuit board, controls and indicator lights are
mounted directly to the front panel.
Review gure V.A.1 below to familiarize yourself with the Main
circuit board assembly. The following diagram has the optional
Limit Timer Module and 4-20 mA Output Module installed.
CTCII MAIN CIRCUIT BOARD
Figure V.A.1
115/230 VAC
SELECT SWITCH
100mA Slow Blow
(T.10A)
115 & 230 VAC (V~)
SCALE SELECT
ELECTRONIC
CALIBRATION
MAIN
CALIBRATION
CONTROL
DISPLAY
CALIBRATION
CONTROL
(FACTORY SET)
OPTIONAL
LIMIT
TIMER
CONTROL
MODULE
OPTIONAL
4-20 mA
OUTPUT
MODULE
DIS
CAL
TDS COND
EC
CTCII
DISPLAY
TRANSFORMER
Yel
CAP CAP
C4AM
LTM
HYST
Flow Switch
Jumper -
Remove if
flow switch
installed.
SWITCH
FUSE
RELAY RELAY
BLEED FEED
FEED
PUMP
BLEED
VALVE
POWER
FLOW
SWITCH
SENSOR 0-10VDC
FS BK WTRD GN NU R- R+PWR C GDPWR C GDPWR C GD
SET POINT
HYSTERESIS
RIGHT INC
LEFT DEC
R/G
Wickman Fuse 5 Amp
(#3741500041 or equiv)
115 VAC(V~)
20