Jandy WFTR, Инструкция по установке и эксплуатации, Страница: 9 / 24

Page 9
ENGLISH
Jandy
®
Pro Series Water Feature Pump
|
Installation and Operation Manual
Table 1. Pipe Sizing Chart for Schedule 40 PVC
Pipe
Size
Maximum Flow
Suction
(8 feet per second)
Maximum Flow
Discharge
(10 feet per second)
2" 85 GPM (322 LPM) 105 GPM (397 LPM)
2½" 120 GPM (454 LPM) 149 GPM (564 LPM)
3" 184 GPM (697 LPM) 230 GPM (871 LPM)
3. WFTR Pumps come equipped with unions
on both the suction and discharge ports. This
feature simplifies installation and service, and
it eliminates the possibility of leaks at threaded
adapters.
4. The WFTR Pump must be connected to at least two
(2) main drains (suction outlets) for each pool pump
suction line. Each drain must be provided with covers
that are listed or certified to the latest published
version of ANSI/ASME A112.19.8. The suction
outlets of the main drains must be at least 3 feet apart
or at different planes. The suction outlets can be a
drain and skimmer, two (2) drains, two (2) skimmers,
or a skimmer with an equalizer line installed. For
additional details and guidelines, refer to ANSI/APSP
7, the standard for Suction Entrapment Avoidance
in Swimming Pools, Wading Pools, Spas, Hot Tubs,
and Catch Basins . Check the local codes for proper
installation requirements. Applicable local codes will
take precedence over other codes.
NOTE
To prevent entrapment, the system must be built so
that it cannot operate with the pump drawing water
from only one (1) main drain. At least two (2) main
drains
must
be connected to the pump when it is in
operation. However, if two (2) main drains run into
a single suction line, the single suction line may be
equipped with a valve that will shut off both main
drains from the pump.
5. The piping must be well supported and not
forced together in places where constant stress
will be experienced.
6. Always use properly sized valves. Jandy Pro
Series Diverter Valves and Ball Valves typically
have the best flow capabilities.
7. Use the fewest fittings possible. Every additional
fitting has the effect of moving the equipment
farther away from the water.
NOTE
If more than 10 suction fittings are needed, the pipe
size must be increased.
8. Every new installation must be pressure tested
according to local codes. See Section 3.3,
Pressure Testing.
3.2 Electrical Installation
3.2.1 Voltage Checks
The correct voltage, as specified on the pump data plate,
is necessary for proper performance and long motor life.
The incorrect voltage will decrease the pump’s ability to
perform and could cause overheating, reduce the motor
life, and result in higher electric bills.
It is the responsibility of the electrical installer to provide
data plate operating voltage to the pump by ensuring
proper circuit sizes and wire sizes for this specific
application.
CAUTION
Failure to provide data plate voltage (within 10%)
during operation will cause the motor to overheat and
will void the warranty.
3.2.2 Bonding and Grounding
1. The motor frame must be grounded to a reliable
grounding point using a solid copper conductor,
No. 8 AWG or larger. In Canada, No. 6 AWG
or larger must be used. If the pump is installed
within 5 feet of the inside walls of the swimming
pool, spa, or hot tub, the motor frame must be
bonded to all metal parts of the swimming pool,
spa, or hot tub structure and to all electrical
equipment, metal conduit, and metal piping
within 5 feet of the inside walls of the swimming
pool, spa, or hot tub.
2. Bond the motor using the provided external lug.
WARNING
To avoid risk of property damage, severe personal
injury, and/or death, always disconnect the power
source before working on a motor or its connected
load.
WARNING
In order to avoid the risk of property damage,
severe personal injury, and/or death, make sure
that the control switch or time clock is installed in
an easily accessible location, so that in the event of
an equipment failure or a loose plumbing fitting, the
equipment can be easily turned off.