Walrus TQ200, TQ400, TQ800, TQ1500, TQ3700 Instruction Manual
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Walrus America Inc
TQ Series
TQ Series
Instruction Manual
Electronic Control Pump
TQ Series
TQ Series
ISO 9001 Certified
®
234867
9808 Whithorn Drive, Houston, TX 77095
Web: www.walruspumps.com
Limited Warranty
Products manufactured by Walrus Pumps Co (Walrus) are warranted to the first user only
to be free of defects in material and workmanship for a period of 12 months from date of
installation, but no more than 24 months from date of shipment. Walrus' liability under this
warranty shall be limited to repairing or replacing at our election, without charge, FOB
Walrus' distribution center or authorized service agent. Walrus will not be liable for any
cost of removal, installation, transportation or any other charges that may arise in
connection with warranty claim.
The warranty period commences on the date of original purchase of the equipment. Proof
of purchase and installation date, failure date, and supporting installation data must be
provided when claiming repairs under warranty.
This warranty is subject to due compliance by the original purchaser with all directions and
conditions set out in the installation and operating instructions. Failure to comply with
these instructions, damage or breakdown caused by fair wear and tear, negligence, misuse,
incorrect installation, inappropriate chemicals or additives in the water, inadequate
protection against freezing, rain or other adverse weather conditions, corrosive or abrasive
water, lightning or high voltage spikes or through unauthorized persons attempting repairs
are not covered under warranty.
Walrus will not be liable for any incidental or consequential damages, losses, or expenses,
arising from installation, use, or any other causes. There are no express or implied
warranties, including merchantability or fitness for a particular purpose, which extend
beyond those warranties described or referred to above.
Certain states do not permit the exclusion or limitation of incidental or consequential
damages or the placing of limitations on the duration of an implied warranty, therefore, the
limitations or exclusions herein may not apply. This warranty sets forth specific legal rights
and obligations, however, additional rights may exist, which may vary from state to state.
Supersedes all previous publications
Walrus America Inc
P099C019U200-01
®
G2
EC Declaration of Conformity
Manufacturer:
Walrus Pump Co., Ltd.
Address:
No. 83 -14, Dapiantou, Sanjhih Township, Taipei County 252,
Taiwan
Declare that the machinery described:
Name : Water Pump
Model : TQ Series
Conform to the following directive:
98/37/EC-----Machinery directive
2006/95/EC—Low voltage directive
2004/108/EC----EMC (Electromagnetic compatibility) directive
Refer to the following standards:
EN ISO 12100-1:2003 EN ISO 12100-2:2003
EN1050:1996
EN60335-1:2001 EN 809:1998
EN60335-2-41:2001
EN61000-6-2 EN61000-6-3
R&D department manager: Kao Tien-chuan
Manager:
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TQ Series Instruction Manual
Please read all instructions carefully before
installing your new systems, as failures caused
by incorrect installation or operation are not
covered by the warranty.
I. Product
The TQ series are designed for the pumping of
non-aggressive water, or water not containing
solid particles.
II. Operating conditions:
1. Ambient temp. : Max. +104ºF (40ºC)
2. Liquid temp. : +39ºF(4ºC) ~ +104ºF(40ºC)Max.
3. System pressure: Max. 120 PSI
4. Relative humidity: Max. 85%(RH)
III. Installation
1.The pump foundation should be rigid enough
to absorb any vibration from the motor, and
the pump should be securely bolted to the
foundation.
2. It is recommended that the plumber/installer
provides an adequate draining system to
avoid damage in case of leakage, particularly when installed indoors. When it is
installed outside, it should be covered by a
weather-proof housing, well ventilated to
allow motor heat to escape.
3. The pump should be installed with horizontal
suction port and vertical discharge port; and
as close as possible to the liquid source.
4. When use with water heaters, a check valve
should be installed between pump
(discharge) pipeline and water heater
(suction) to avoid high-pressure steam
backflow.
5. It is required to shut off the pump when the
liquid source is unavailable; although it has
the dry run cut off function.
6. The pump has a built-in check valve. Please
do not install any other valve on the suction.
7. For TQ1500/2200/3700, Please cut out the
center of the rubber gasket inside the inlet
and outlet flanges as it will block the water
flow.
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8. When performing regular maintenance, the
prime cover has to open in order to check
the condition of the check valve. DO NOT
apply any bonded material (such as silicon,
glue etc) to seal the chamber cover (see
drawing below).
IV. Piping
1. The suction line should be installed as short
and straight as possible, with a minimum of
bends. The internal diameter of the suction
pipe must be equal to, or greater than the
ports of the pump.
2. The connection between the suction line and
pump must be airtight, and the suction pipe
must be positioned so it has an upward
slope to the pump (thus avoiding the
formation of air pockets).
3. When used on a suction lift, a foot valve
should be fitted on the suction line, below
the liquid level.
4. If hose is used as the suction pipe, it must
be non-collapsible.
5. To minimize pressure drop, the discharge
pipe should be at least the same size as the
discharge port of the pump.
6. For long suction pipes or high suction lifts
over 13 ft, the suction pipe should be of
greater diameter than the suction port.
7. Ensure all connections are completely
sealed using thread tape only.
V. Electrical connection
This mark located outside the
connection box is a warning for an
electrical hazard.
1. Ensure the mains voltage is the same as the
value shown on the motor plate and that the
pump is safely connected to ground/earth.
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