*MINIMUM DISTANCE 50 mm (2") BETWEEN PUMPS
EXTRA PROTECTION SYSTEMS
TWO-PUMP SYSTEM
The extra protection two-pump system is an economical solution to the costly duplex
alternating pump system and it's easy to install.
The extra protection two-pump systems consists of:
a.
b. one alarm system
c. two unicheck valves as required
ADVANTAGES
1) The two pump system offers high pump performance without the high price. It is
economical and easy to install.
2) Delivers more dependability than a single pump system and greatly reduces the risk of
costly and time-consuming problems.
3) Affords greater satisfaction and peace of mind to all concerned by providing state of the
art protection for costly and expensive surroundings.
4) Ability to change lead and lag positions by changing pump plug connection.
PUMP 1 ON
PUMP 1 OFF
PUMP 2 ON
PUMP 2 OFF
ALARM ON
VARIABLE LEVEL FLOAT SWITCH
(ALARM)
PUMP 1
PUMP 2
ALARM
P/N 10-1494 ILLUSTRATED
PEA GRAVEL
SK878
FOR YOUR PROTECTION, ALWAYS DISCONNECT PUMP FROM ITS POWER SOURCE BEFORE HANDLING
. For single
phase pumps supplied with a grounded plug,
DO NOT, UNDER ANY CIRCUMSTANCES, REMOVE THE GROUND PIN.
The plug
must
be inserted
into a mating grounded receptacle.
If
the installation does not have such a receptacle, it must be changed to the proper type, wired and grounded
in accordance with all applicable local codes and ordinances.
All three phase pumps require motor starting devices with motor overload protection. Three phase pumps
must
be installed in accordance with all applicable
local codes and ordinances. Pumps are not to be installed in lo
Risk of electrical shock.
Do not remove power supply cord and strain relief or connect conduit directly to the pump.
PUMP WIRING INSTRUCTIONS
Single Phase Installation
To operate a non-automatic pump automatically, a control panel or 20 amp
control switch (P/N 10-0748) must be added to the power circuit. Follow
Three Phase Installation
Three phase pumps are nonautomatic. To operate automatically, a control panel
is required. Follow the instructions provided with the panel to wire the system.
Before installing a pump, check the pump rotation to insure that wiring has been
connected properly to power source, and that the green lead of power cord, is
connected to a valid ground, momentarily energize the pump, observing the
directions of kick back due to starting torque. Rotation is correct if kick back
is in the opposite direction of rotation arrow on the pump casing. If rotation
is not correct, switching of any two power leads other than ground, should
provide the proper rotation.
For automatic three phase pumps see automatic 3 phase wiring diagram
located to the far right.
NONAUTOMATIC
3 PHASE
AUTOMATIC
3 PHASE
MOTOR
(3)
BLUE
RED
BLACK
GREEN
L1
L2
(1)
(2)
YELLOW
L3
WHITE
RED
013071
006848
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© Copyright 2019 Zoeller Co. All rights reserved.
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Страница 33: ...460x760 mm 33 2019 Zoeller 4 2 2 13 8 2 11 9 550 mm EA0055 Top DN100 DN50 2 2 1 1 4 1 1 4 2 1 1 4 DN50 DN50...
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Страница 37: ...SK1217 SK1218 37 2019 Zoeller FM0526 PVC 10 1457 3 3 L1 L2 1 2 L3 013071 006848 20 P N 10 0748...
