Jabsco Pumps 36900-1000 Pump

Jabsco Pumps 36900-1000 Pump
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Model 36800-Series
36900-Series
Model 36800-Series, 36900-Series
ELECTRIC WATER SYSTEM PUMPS
Automatic Multi-Outlet
FEATURES
•
•
•
•
•
•
•
•
Self-Priming
Diaphragm Design Allows Dry Running
Built-in Discharge Check Valve
Quiet Operation
Built-in Hydraulic Pulsation Dampener
Large Vibration Absorbing Pads
Ports Available with Barb or Threads
Meets USCG Electrical Standards
SPECIFICATIONS
Open Flow:
36800-Series:
36900-Series:
U.S. GPM
3.3
4.2
Litres/min
12.5
15.9
Imp. GPM
2.75
3.5
Cut-in Pressure (Nominal):
20 psi (1.4 bar)
Cut-off Pressure (Nominal):
40 psi (2.7 bar)
Vert. Dry Suction Life:
5 Feet (1.52 m)
Ports:
Slip on 1/2" to 5/8" ID hose
Approx. Ship. Weight
36800-Series: 11 lb (5.0 kg)
36900-Series: 12 lb (5.4 kg)
APPLICATIONS
Jabsco automatic water system pumps are designed for self
contained recreational vehicles and pleasure boats with multiple outlet water systems. The systems are automatic – when a
faucet is opened, the pump instantly begins operation to provide a constant flow from tank to faucet. Closing the faucet
automatically discontinues pump operation. Model 36800 is
suited for up to five outlet distribution systems. Model 36900 is
recommended for large distribution systems where duty
requires simultaneous operation for multiple faucets.
DIMENSIONAL DRAWING
6-1/2"
(165 mm)
STANDARD MODELS
36800-Series – Automatic Water System
Model
Voltage
36800-1000
36800-0200
36800-1010
36800-0210
12
12
24
24
Vdc
Vdc
Vdc
Vdc
Nom.
Presssure
AMP
Cut-in
Cut-out Fuse/Breaker*
Draw psi (bar) psi (bar)
6.0
6.0
3.0
3.0
20
10
20
10
(1.4)
(0.7)
(1.4)
(0.7)
40
20
40
20
(2.7)
(1.4)
(2.7)
(1.4)
8
8
4
4
amp
amp
amp
amp
36900-Series – Automatic Water System
Model
Voltage
Nom.
Presssure
AMP
Cut-in
Cut-out Fuse/Breaker*
Draw psi (bar) psi (bar)
36900-1000 12 Vdc 7.5 20 (1.4)
36900-0200 12 Vdc 7.5 10 (0.7)
36900-1010 24 Vdc 3.8 20 (1.4)
36900-0210 24 Vdc 3.8 10 (0.7)
* Customer supplied, not included with
40 (2.7)
20 (1.4)
40 (2.7)
20 (1.4)
pump.
15 amp
15 amp
5 amp
5 amp
INSTALLATION
36800Series
MOUNTING Jabsco diaphragm pumps are self-priming. They
may be located above or below the fresh water tank. The pump
is equipped with vibration pads which are most effective when
the pump is mounted upright on a solid surface. Selection of a
cool, dry ventilated location will generally extend pump life.
8-3/8"
(213 mm)
6-1/2"
(165 mm)
36900Series
9-7/8"
(251 mm)
PLUMBING To minimize water pressure drop, the size of water
supply line should not be less than sizes shown in table below.
Valves, elbows, etc. used should be the same size as pipe or
tubing. Use gate valves only. Fresh water tank must be vented.
MINIMUM PIPING SIZE
Supply Line Length
10-1/8"
(257 mm)
Tubing ID
Pipe Size
1/2"
5/8"
3/8"
1/2"
Less than 48"
48" or more
9-7/8"
(251 mm)
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PLUMBING
WIRING
PRESSURE REGULATOR It is recommended that systems
having a connection for a city water entry be equipped with a
pressure regulating check valve set at approximately 35 psi.
This valve automatically regulates the incoming water pressure
to avoid damage to pump and plumbing from excessive pressures. Models 44410-Series (Permanent Flush Mount) and
44410-1010 (in-line Hose Type) pressure regulating valves are
recommended for this purpose.
CHECK VALVES A built-in port check valve protects the pump
from the unregulated high pressure sometimes encountered in
city water hookups. However, an additional check valve may be
installed at the cold water inlet of the water heater to minimize
heat transfer to the cold water line and protect the system in
case of water heater relief valve failure. Jabsco offers qualified
in-line check valves, Models 34344-0000, 35027-0000 and
35195-0000.
SUCTION STRAINER A Pumpgard No. 36400-0000 (strainer/filter) is recommended, installed between the pump and
fresh water tank. It helps prevent valve clogging caused by foreign material entering the pump.
included as a reminder to shut down water pressure system
and open faucet to relieve pressure when unattended.
AC-DC POWER CONVERTERS AC-DC converter/ charger
packs should be wired to operate pump directly from the battery at all times. If the battery is bypassed and converter is
used to service the pump directly, be sure the total electric
loads do not exceed the converter amp rating. Overloading the
converter could result in low-voltage condition at the pump.
WATER PURIFIER Many water purifiers cause excessive
restriction to flow, especially when element is in use for some
time. When used at the main distribution line, it causes the
pump to cycle on and off rapidly. To minimize cycling, use an
accumulator tank between pump and purifier, or install purifier
to feed a single outlet for drinking-water only.
VOLTAGE CHECK After installation, check the voltage at the
pump motor. Voltage should be checked when pump is operating along with all the inside electrical fixtures. Full voltage
must be available at the pump motor at all times.
ACCUMULATOR TANK The use of an accumulator tank
(Jabsco Model 30573-0000, 12573-2000 or 18810-0000),
although not required, is recommended for a more effective
water distribution system. It eliminates "water hammer," stores
pressures to allow a limited use of water without restarting
pump (desirable at night-time), assures a constant, even
stream of water at faucets farthest from pump and prolongs
pump life by cutting down rapid start/stop operation.
• Check level of water in tank. Be sure valves are open and
strainers and aerators are clean.
• Open all faucets, hot and cold.
• Turn on power to pump.
• Close each faucet when it starts to deliver a steady stream
of water (close cold water first).
• Observe the pump. Check to be sure pump stops soon after
all faucets are closed.
• Pump is now ready for automatic operation. It will start when
a faucet is opened and stop when the faucet is closed.
• Turn off power to pump and open faucet to relieve system pressure
prior to city water or dockside hook-up and when unattended.
WIRING Pump should be wired in a circuit independent of all
other accessories according to the wiring diagram.
WIRE SIZE CHART (A.W.G. - COPPER)
Voltage
Up to 80' 80' to 100' 100' to 150'
12 Volts Two Wire
14
12
10
24 Volts Two Wire
16
14
14
MOTOR PROTECTION The pump wiring must include a fuse/
breaker in the positive lead to protect against overcurrent draw.
See specification table for proper fuse rating.
SWITCHES An on-off switch should be installed in the circuit
to turn off pump when vehicle or boat is unattended, stored, or
in transit, or hooked up to city water. Use Red and White Label
OPERATION
MAINTENANCE
WINTER STORAGE Jabsco pumps, with their unique pulsation dampener, will withstand frozen water without damage
provided the system is not under pressure prior to freezing. To
prevent accidental damage, the entire water system should be
protected from freezing during winter storage. This requires
complete draining, using the following directions and/or vehicle
manufacturer's instructions:
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1. Open all faucets and drains and allow pump to empty water
tanks and intake line. Run the pump dry for 1 to 2 minutes
before turning off.
2. With all drains open, blow air through city water entry. Allow
time for water heater to empty.
3. Disconnect discharge and intake hoses from the pump. Start
the pump and allow to run until all water is expelled from unit.
(Running dry will not harm the pump).
4. Reconnect the hoses, close the drains and leave faucets
open. The water distribution system is now dry and ready for
winter storage.
An alternate method is to use potable water system
anti-freeze solution. Follow directions of anti-freeze manufacturer.
DIAPHRAGM & CONNECTING ROD REPLACEMENT
DO NOT USE AUTOMOTIVE TYPE ANTI-FREEZE.
IT IS POISONOUS. USE OF THIS TYPE OF ANTI-FREEZE WILL
CAUSE SERIOUS INTERNAL INJURY OR DEATH.
6.
1.
2.
3.
4.
5.
PULSATION DAMPENERS REPLACEMENT
1.
SERVICE
TROUBLESHOOTING
2.
Problem
Pump operates but no water
flows through faucet.
Cause
• Low water level in tank.
• Water lines are clogged.
• Kink in water hose.
• Air leak suction.
• Dirty or hard-to-open in-line
check valve.
• Defective pump valve
Pump cycles on and off when • Water leak in plumbing.
faucets are closed.
• Defective toilet flush valve.
• Internal leak in output valve.
Pump operates roughly and has • Intake line is restricted, kink in
suction hose or fittings too small.
excessive noise and vibration.
• Pump mounted on flimsy board.
• Deformed or ruptured pulsation
dampener in pump.
• Loosened screws at pulleys
and connecting rod.
• Worn connecting rod bearing.
Pump fails to start when faucet is • Clogged piping.
opened.
• No voltage to pump.
• Defective pressure switch.
Remove motor and four jack shaft assembly tie down
screws, then lift jack shaft and attached diaphragm
assembly from pump base.
Expose diaphragm by removing two diaphragm retainer
screws and detaching retainer.
Remove diaphragm screw to separate diaphragm, plates and
washer/spacer from connecting rod. Inspect diaphragm for
cuts and ruptures.
Remove locking nut to separate connecting rod from jack shaft.
When reassembling, be sure to align diaphragm and connecting rod so that rod slips straight onto jack shaft and
diaphragm rests squarely on diaphragm retainer.
Replace motor, do not overtighten belt.
3.
Remove nine screws from bottom plate and three screws
from small bottom plate. Mark bottom of small plate for
proper reassembly.
Pull out rubber pulsation dampeners from base. Inspect
for excessive deformation, ruptures and cuts.
When installing new large pulsation dampener, check that
its metal screw sleeve-guide is positioned between center
hole and screw-way in the base. Make sure that flanges
of both pulsation dampeners are well-seated to effect a
proper water and air seal.
SWITCH REPLACEMENT – PROCEDURE A
Direct replacement of switch with threaded stem directly into
pump body.
1.
2.
3.
4.
Disconnect power leads from switch and remove switch
from pump.
Moisten rubber side of washer with water. Thread washer onto
switch threads with metallic side of washer facing switch. Apply
a thin film of sealing compound to the replacement switch
threads. Keep compound clear of passage-way hole.
Screw replacement switch into pump base/body until snug.
Reconnect switch power leads.
MOTOR REPLACEMENT
1.
2.
3.
Remove two motor nuts to separate motor.
Loosen set screw to remove small pulley from motor shaft.
When reassembling, adjust belt tension so belt between
pulleys can be depressed 1/4" after motor nuts are tightened. Do not overtighten belt.
Pump fails to stop when faucets • Empty water tank.
are closed.
• Insufficient voltage to pump motor.
• Defective pressure switch.
NOTE 1
Low Pressure Switch 10(0.7) to 20(1.4) psi
NOTICE: Before servicing pump, turn off power and open
faucets to relieve pressure in water distribution system. Failure
to do so could cause water to spray in cabin.
NOTE 2
Includes Switch and Conversion Kit to Mount New Style Switch
Onto Older Style-J and -0000 Pumps.
VALVES ASSEMBLY REPLACEMENT
1. Remove motor and four jack shaft assembly tie down screws.
Lift jack shaft assembly to expose valves.
2. Lift valves from pockets. Clean all foreign materials from
valves and seats. Inspect rubber flappers for cuts.
3. Reinstall valves into same pockets, being sure rubber
valve with small hole is UP on intake and rubber valve
without the small hole is DOWN on discharge.
NOTE: Do not use valve with small hole in rubber on discharge side of pump or pump will operate incorrectly.
4. Replace motor, do not overtighten belt.
NOTE 3
Replacement Switch only for -1000 Series Pumps. Meets
USCG Electrical Standards.
NOTE 4
1/2" Threaded Outlet Port 37050-0001
1/2" Threaded Inlet Port 37050-0000
NOTE 5
Jack shaft assembly kit, with part number ending in -0001
includes new style connecting rod (37173-0001) with a 5/16"
diameter hole and two (2) locknuts. Previous model pumps use a
connecting rod (37173-000) with a 1/4"diameter hole and a bolt.
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36800-SERIES
EXPLODED VIEW
• Indicates items included
in Hardware Kit
(Key 21).
36900-SERIES
EXPLODED VIEW
• Indicates items included
in Hardware Kit
(Key 21).
PARTS LIST
36800-SERIES
PARTS LIST
36900-SERIES
Key
1
1
1
2
3
4
5
6
7
8
9
10
11
12
13
Part Description
Motor Kit 12 Vdc.
Motor Kit 24 Vdc
Motor Kit 32 Vdc
Motor Mount
Small Pulley
Large Pulley
Belt
Jack Shaft Assembly
Connecting Rod Assembly
Diaphragm Plate
Diaphragm
Retainer
Valve Set (Inlet & Outlet)
Base Assembly†
Pressure Switch
14
15
16
17
18
19
20
21
Micro Switch only
Ports (Inlet & Outlet) Barb
Small Pulsation Dampener
Pulsation Dampener
Small Bottom Plate
Bottom Plate
Vibration Pad Kit
Hardware Kit
Service Kit *
Part Number
30200-0000
30200-0010
30200-0020
34628-0000
37169-0000
37170-0001
30021-0000*
35506-0001 – See Note 5
37173-0001 – See Note 5
35503-0000
30015-0000*
35497-0000
30004-0000*†
35625-1100 †
37121-0010 – See Note 3
37121-0000 – See Note 2
44814-1000 – See Note 1
18753-0141
37176-0000† – See Note 4
37177-0000*†
37178-0000*†
35628-0000†
35623-0000†
37180-0000 †
37165-0001
30122-0000
Qty
1
1
1
1
1
1
1
2
1
1
1 Set
1
1
1
1 Set
1
1
1
1
1 Set
1 Set
Key
1
1
1
2
2A
2B
3
4
5
6
7
8
9
10
11
12
13
Part Description
Motor Kit 12 Vdc
Motor Kit 24 Vdc
Motor Kit 32 Vdc
Motor Mount
Brace (Left)
Brace (right)
Small Pulley
Large Pulley
Belt
Jack Shaft Assembly
Connecting Rod Assembly
Diaphragm Plate
Diaphragm
Retainer
Valve Set (Inlet & Outlet)
Base Assembly†
Pressure Switch
14
15
16
17
18
19
20
21
Micro Switch only
Ports (Inlet & Outlet) Barb
Small Pulsation Dampener
Pulsation Dampener
Small Bottom Plate
Bottom Plate
Vibration Pad Kit
Hardware Kit
Service Kit *
Part Number
30200-0000
30200-0010
30200-0020
34628-0000
35256-0010
35256-0020
37169-0000
37170-0001
30021-0000*
35690-0001 – See Note 5
37173-0001 – See Note 5
35212-0000
30016-0000*
35173-0000
30004-0000*†
35625-1100 †
37121-0010 – See Note 3
37121-0000 – See Note 2
44814-1000 – See Note 1
18753-0141
37176-0000† – See Note 4
37177-0000*†
37178-0000*†
35628-0000†
35623-0000†
37180-0000 †
37165-0001
30121-0000
Qty
1
1
1
1
1
1
1
1
1
2
1
1
1 Set
1
1
1
1 Set
1
1
1
1
1 Set
1 Set
* Indicates Parts Contained in Service Kit. † Indicates Parts Supplied with Base Assembly.
THE PRODUCTS DESCRIBED HEREIN ARE
SUBJECT TO THE JABSCO ONE YEAR LIMITED
WARRANTY, WHICH IS AVAILABLE FOR YOUR
INSPECTION UPON REQUEST.
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U.S.A.
Jabsco
Cape Ann Industrial Park
Gloucester, MA 01930
Tel: 978.281.0440
Fax: 978.283.2619
© Copyright 2004, ITT Industries
UNITED KINGDOM
Jabsco
Bingley Road, Hoddesdon
Hertfordshire EN11 OBU
Tel: +44 (0) 1992 450145
Fax: +44 (0) 1992 467132
Printed in U.S.A.
CANADA
Fluid Products Canada
55 Royal Road
Guelph, Ontario N1H 1T1
Tel: (519) 821.1900
Fax: (519) 821.2569
JAPAN
NHK Jabsco Company Ltd.
3-21-10, Shin-Yokohama
Kohoku-Ku, Yokohama, 222
Tel: 045.475.8906
Fax: 045.475.8908
All Rights Reserved
GERMANY
Jabsco GmbH
Oststrasse 28
22840 Norderstedt
Tel: +49-40-53 53 73 -0
Fax: +49-40-53 53 73 -11
Form: 43000-0102
Rev. 04/2004
For technical advice or service please take your pump into your local pump service center.
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