series - Crystal Fountains

68
Specification:
Construction of sensor box
and lid cover shall
be cast bronze. DEFO sensor
enclosure shall be brass
and copper with neoprene
gasket and seal. Level switch
shall be reed relay enclosed
in a plastic,
magnetically actuated float
with 1" (25mm) level adjustment.
Voltage:12VAC 0.5
Amp. Non-inductive.
Options:
(Add suffix)
Q- chromed top
ESN
series
ESO
series
Specification:
Construction shall be cast
bronze frame with DEFO
impact resistant stainless
steel cover and moulded
plastic enclosure. Overflow
drain assembly shall be
brass, copper and extruded
plastic fitted. Level switch
shall be reed relay enclosed
in a plastic, magnetically
actuated float with 1" (25mm)
level adjustment. Voltage:
12VAC 0.5 Amp. Non-inductive.
Options:
(Add suffix)
Q- chromed frame
V - vandal resistant
fasteners and wrench kit
B-brass cover plate
Cast-In Level Sensor
Note:
1. ESN-100 (1 sensor) Quick Fill or
Safe-Off.
2. ESN-200 (2 sensors) Quick Fill
and Safe-Off.
3. ESN-300 (3 sensors) Quick Fill,
Safe-Off and Maxi Level Control.
4. Custom sizes available upon
request
PVC CONDUIT
AND ADAPTOR
BY OTHERS
W2
Dimensions
2
1
A
3
W1
W3
1. QUICK FILL OR SAFE OFF SENSOR
2. SAFE-OFF SENSOR
3. MAXI-LEVEL SENSOR
Dimensions
B
WATER
LEVEL
Electronic Level Control and Overflow
Note:
1. ESO-100 (1 sensor) Quick Fill or
Safe-Off.
2. ESO-200 (2 sensors) Quick Fill
and Safe-Off.
3. ESO-300 (3 sensors) Quick Fill,
Safe-Off and Maxi Level Control.
DEFO electrical a b w1 w2 w3
no. connection
(npt/bsp)
dim. dim. dim. dim. dim.
ESN-100 1 ⁄2� 1 6 ⁄2� 1 2 ⁄2� 10�
ESN-200 1 ⁄2� 6 1 ⁄2� 2 1 ⁄2� 10� 8�
ESN-300 1 ⁄2� 6 1 ⁄2� 2 1 ⁄2� 10� 8� 9�
A
B
1
2 3 W1
W2 W3
INLET CONNECTION NPT/BSP
DRAIN CONNECTION NPT/BSP
1. QUICK FILL OR SAFE OFF SENSOR
2. SAFE-OFF SENSOR
3. MAXI-LEVEL SENSOR
C
Function
Cast-in electronic water level sensor
automatically monitors quick fill
and safe-off functions
in very shallow water depths.
Sensor is adjustable in height after
installation. Low voltage for safety.
Connects to DEFO ‘ECL’ control
panel (see page 63). Install vertically.
Function
Flush, wall mounted, combination
electronic water level controller and
overflow drain. Automatically monitors
quick fill and safe-off functions,
and drains overflow water through
a built-in drain. Integral adjustments
on level sensors and standpipe
facilitate adjustments after
installation. Low voltage for safety.
Connects to DEFO ‘ECL’ control
panel (see page 63).
DEFO electrical drain a b c w1 w2 w3
no. connection connection dim. dim. dim. dim. dim. dim.
(npt/bsp) (npt/bsp)
ESO-100 3 ⁄4� 3� 10� 12� 3 5 ⁄4� 1 2 ⁄2�
ESO-200 3 ⁄4� 3� 10� 12� 5 3 ⁄4� 2 1 ⁄2� 4 1 ⁄2�
ESO-300 3 ⁄4� 3� 10� 12� 5 3 ⁄4� 2 1 ⁄2� 4 1 ⁄2� 3 1 ⁄2�