Myron L Aquaswitch II - Manual (Page 38)

V. COMPONENT IDENTIFICATION,
CALIBRATION AND PREVENTIVE CARE
This section provides detailed illustrations to assist the user in
identifying the
AQUASWITCH I and AQUASWITCH II
primary components and cable connector designations.
Section A. Provides the user with the Primary Component
Identification.
Section B. Provides the user with the Purge Cycle Calibration
Procedure.
Section C. Provides the user with the Alarm Reset Mode
Calibration Procedure.
Section D. Provides the user with the
AQUASWITCH II
Calibration Procedures.
Section E. Provides the user with the Myron L Company
recommended Preventive Care Procedures.
Section F. Provides the user with Alternative Valve
Configurations.
A . PRIMARY COMPONENT IDENTIFICATION
As identified in Section IV, the AQUASWITCH I and
AQUASWITCH II switch and indicator components are
mounted directly to the front panel.
The
AQUASWITCH I Power Board is contained within and
mounted to the back of the enclosure.
The
AQUASWITCH II Main Monitor/controller Circuit Board and
Power Board are mounted to the back of the enclosure. Some
models with options have an additional circuit board mounted
behind the front panel, i.e. Model ASIIR-4A (4-20 Module).
Review figure V.A.1 below to familiarize yourself with the different
circuit board and component locations.
35
Figure V.A.1
PRIMARY COMPONENT IDENTIFICATION
AQUASWITCH II MAIN MONITOR/CONTROLLER BOARD
E
N
C
L
O
S
U
R
E
AQUASWITCH II
AQUASWITCH I
AQUASWITCH LOGIC BOARD
F
R
O
N
T
P
A
N
E
L
LOW
DISPLAY
HARNESS
DISPLAY
DISPLAY CONNECTOR
RED GREEN
SET POINT
SWITCH
TO MONITOR/
CONTROLLER
CIRCUIT BOARD
DISPLAY
CONNECTOR
AQUASWITCH II DIGITAL DISPLAY
CABLE
CONNECTS TO
POWER BOARD
PURGE CYCLE
CONTROL
AQUASWITCH POWER BOARD
TRANSFORMER
FUSE*
115/230
SWITCH
AQUASWITCH™ POWER
BOARD
NC NO COM GRD C PWR
NO COM NC
FUSE
1/8 Amp
AGC 1/8
BK B BK A BLD COM
LOGIC
BOARD
CONNECTION
RELAY
115/230
JUMPERS
OR
ALARM OUTPUT
CONNECTORS
*115/230VAC
FUSE
100mA
(T.10A) 5X20
Slow Blow/
Time Delay
*24 VAC/24 VDC
FUSE
250mA
(T.25A) 5X20
Slow Blow/
Time Delay
TRANSFORMER
FUSE*
1 1 5 /
230
751 756
752 757
753 758
754 759
M Y R O N L
COMPANY
HYS1 SP1 FS SW
DIS
INC
DEC
CAL
-11
0-20m
Ω
UP
}
3S
SPC
CALIBRATION
CONTROL
DISPLAY
HARNESS
CONNECTOR
DISPLAY
CALIBRATION
CONTROL
RANGE
MODULE
4-20
CONNECTOR
BK WT RD GN NU R- R+
REMOVE TO
INSTALL
SECOND RELAY
PWR C GD NC NO CM
BK B WHT
STANDARD
ALARM
RESET
ENABLE
JUMPER