Myron L Aquaswitch II - Manual (Page 27)

B . PIEZO ELECTRIC ALARM
-PA Piezo Electric Alarm ordered with AQUASWITCH II .
PAO Piezo Electric Alarm ordered separately for
AQUASWITCH II .
1 . D E S C R I P T I O N
The PA/PAO is an electronic sound device capable of emitting a
80dB or more @ 30cm, high pitched squeal. See figure III.B.1.
Specifications
Oscillating Frequency — 3.0
≠
0.5KHz
Operating Voltage — 24VDC Nom. (1.5-30VDC Max.)
Sound Pressure Level (Min) 30cm/12VDC — 80dB
Current consumption (Max) @ 12VDC — 12mA
Tone — Constant
Operating Temperature — -20 - +60°C
Size — 24 x 9.5 mm
2. INSTALLATION
Briefly -
A rubber plug is removed from the front panel, figure III.B.2.
The PA/PAO Piezo Alarm attaches to the front panel with the tape
supplied, figure III.B.3.
The wire harness plugs into a methode connector on the Main
Monitor/controller circuit board, figure III.B.4.
!
CAUTION - READ FOLLOWING CAREFULLY
WARNING: BEFORE STARTING, IF THE
AQUASWITCH II IS INSTALLED, ENSURE THE
P O W E R I S OFF. FAILURE TO DO SO COULD CAUSE
DAMAGE TO THE INSTRUMENT, AND COULD BE
HARMFUL OR FATAL TO PERSONNEL. ONLY
QUALIFIED PERSONNEL SHOULD INSTALL OR
SERVICE ELECTRICAL EQUIPMENT.
Physical
NOTE: Remote mounting will require a .25” (6.35mm) hole, and
extending the harness. Use #22 gauge speaker wire. Observe
polarity.
If the front panel has all ready been removed from the enclosure
skip to #4.
1. Remove rubber plug as shown in figure III.B.2.
2. Using a standard slot screwdriver remove the two (2)
screws on the front panel.
3. Carefully wiggle the front panel and pull gently toward
you. Do not pull more than about 8 inches/20CM or you
could damage the wiring harness.
4. Turn the front panel around so that the back side is
facing you.
5. Peal off tape backing from PA, and install as shown in
figure III.B.3.
6. Set front panel aside.
7. Connect wire harness to Main Monitor/controller circuit
board as shown in figure III.B.4.
24
MYRON L
COMPANY
Figure III.B.1
Figure III.B.2
AQUASWITCH II FRONT PANEL
Remove Rubber Plug
AQUASWITCH II
BANK SWITCH ALARM RESET
BANK A
BANK B
BLEED
WATER QUALITY
IN USE GOOD POOR
MEGOHMS - CM
SET POINT
HIGH LOW
Double Backed Tape
Piezo Alarm
Harness ~9"
Methode Connector