DAYLIFF DDP Series Installation instructions

DDP50A
DDP DDC
DDJ DDS
DDG
DD
Domestic Pumps
Installation &
Operating Manual

PUMP SPECIFICATIONS
1.
1
2.
INSTALLATION 3
ELECTRICAL CONNECTIONS
3.
4
PRIMING
4.
4
MAINTENANCE
5.
5
INDEX
© Davis & Shirtliff Ltd 2014
Contents herein are not warranted
TROUBLE SHOOTING
6.
6
WARRANTY
7.
7

1
1. PUMP SPECIFICATIONS
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35
DDP50A
EAD m)
H (
3
FLOW (m /hr)
0 0.5 11.5 2 2.5
5
10
15
20
30
25
OPERATING
RANGE
DDP50A
3
FLOW (m /hr)
A (mHE D )
5
10
15
20
25
30
35
40
45
0
0.5 11.5 22.5 3
DDP 60
DDP
DDC
D
HEA (m)
3
FLOW (m /hr)
012 3 45678
5
10
15
20
25
30
DDC 158
3
FLOW (m /hr)
10
20
30
40
50
60
01 2 3 4 5
HEAD (m)
DDJ 750
DDJ 1100
DDJ

2
PUMPS
The Dayliff DD pump range is specially designed for all small scale domestic
and commercial water supply uses. Model options are available as follows:
DDP50A: A self priming automatic pressure controlled peripheral pump
that features diaphragm type pressure vessel and pressure switch for
automatic operation. Pump construction is cast iron body with brass impeller
and insert.
DDP: A high specification peripheral pump that features copper windings, a
high capacity motor and stainless steel housing inserts to ensure free impeller
movement. The pump body is manufactured from cast iron and the impeller
from brass.
DDC: Centrifugal non-self priming closed impeller pumps particularly suited
for water boosting and transfer applications. The pump body is cast iron and
the impeller brass.
DDJ: Centrifugal jet type pumps that incorporate an integral ejector unit to
provide highly effective self priming performance. The pump body is made
from cast iron, the ejector from engineering plastic and the impeller from
brass.
02 4 86
15
10
5
25
20
40
35
30
10
DDS 750
3
FLOW (m /hr)
EAD (m)
H
DDS
DDG
3
FLOW RATE(m /hr)
0
20
40
10
30
0.5 11.5 2 2.5 3.53
DDG 1000
m
HEAD ( )

3
Pump Motor Dimensions (mm) Weight
(kg)
kW
Amps
L W
DDJ 750 0.75 5.2A 1” 1” 435 191 200 17.3
DDP 60
DDP50A
0.37
0.25
2.5A
2.0A
1”
1”
1”
1”
265
265
118
200
151
256
5.3
9.0
DDC 158
DDS 750
0.75
0.75
5.2A
5.2A
1” 1”
1”
305
315
190
158
260
232
13.8
14
DDJ 1100 1.1 7A 1”
1
1 / ”
4
1” 395 182 205 18
DN1 DN2 H
Pump Data
2. INSTALLATION
·
0
temperature of no more than 40 C.
·Locate on a solid flat surface ensuring
the shaft is in a horizontal position.
·Ensure that the diameter of the suction
pipe is at least the size of the pump
suction inlet. If the suction depth
exceeds 4 meters then a one size
larger diameter pipe should be used,
t h o u g h f o r m a x i m u m p u m p
performance suction height should be
minimised.
Site in a dry, well ventilated and weather proof location with an ambient
Foot Valve
UPWARD SLOPE
TO SUCTION
Max 5m
Min 50cm
DDS: Centrifugal single impeller non-self priming pump. The pump body,
backplate and impeller are made from 304 stainless steel.
DDG: Single stage centrifugal impeller self priming design. Materials of
construction are stainless steel for the pump body, shaft and back plate with
the impeller made from polypropylene.
MOTORS
Pumps are close-coupled to reliable TEFC electric motors designed for
continuous operation and are provided with a thermal cutout to protect
against electrical overload. They can be connected directly to the mains
power supply through a 10A fuse or MCB.
Enclosure Class: IP44 Insulation Class: F Voltage:1x240V
DDG 0.8 2.5A 1” 244 336 201 7
1”

4
·If there is negative suction (ie the pump is above the suction water level)
the suction pipe must be slightly angled upwards towards the pump inlet
to avoid the formation of air locks. It must also be immersed in water by
at least 0.5m to avoid the formation of vortexes and a good quality foot
valve must be fitted.
·Ensure that all suction pipe connections are completely airtight or else the
pump will not operate.
·The diameter of the delivery pipe must be chosen to suit the flow rate and
pressure required at the delivery point though must not be smaller than
the pump outlet size. It is also advisable to fit a non-return valve and
isolating valve on the delivery outlet. This measure is essential if the
delivery pressure exceeds 20 meters.
·The pipes must be fitted using suitable brackets to avoid transmitting
stress to the pump body. Take care not to cause damage by over
tightening the pipes during fitting.
3. ELECTRICAL CONNECTIONS
·All installations must be provided with an isolator to cut off mains power
supply and coarse current protection in the form of a fuse or MCB rated
at 2-3 times the full load current as given on the pump plate.
·Ensure that the power supply rating complies with the specification on the
pump rating plate.
·Electrical connections must be made according to details in the pump
junction box cover and effective earthing must be provided according to
local regulations.
·Single-phase motors are protected against overloads by a thermal
overload fitted in the motor windings.
WARNING
The installer is responsible for making electrical connections to
the mains supply in compliance with relevant local regulations.
Ensure that a professional electrician carries out the electrical
connections and that the following guidelines are followed:-

5
5. MAINTENANCE
Pumps do not require routine maintenance provided the following
precautions are taken:-
·Check that the foot valve is clean and unrestricted at regular intervals.
·If the pump is to remain unused for long periods of time it is advisable to
empty it completely, rinse it with clean water and store in a dry place.
·If the shaft does not run freely, release it using a screwdriver by inserting it
in the special slot on the rear of the pump shaft. If this is not sufficient to
solve the problem remove the pump body by unscrewing the relevant
mounting bolts and clean it thoroughly to remove any encrustation.
WARNING
Never carry out any work on the pump without having first
disconnected from the mains supply.
4. PRIMING
All non-self priming pumps must be primed
before operation. To do this completely fill the
pump housing with clean water through the
priming plug before switching it on. When full
replace the priming plug and start the pump
checking there is a steady flow at the pump
outlet. The pump should be primed whenever
it has not been used for a long period of time
or when air has entered into the system.
FILL
WARNING
Serious damage will occur if a pump is not properly primed and
runs without water.

6
6. TROUBLE SHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
Motor won’t
start
Check connections and power
supply
See section on maintenance
Flow rate
insufficient
Reduce suction height
Clean foot valve and, if necessary
whole Intake pipe
Disassemble pump and carefully
clean pump body and impeller
Tripped motor
overload
Check voltage and ventilation
Release impeller
(See section on maintenance)
Motor turns
without
pumping Move pump closer to water level
Check suction pipe is airtight
Make sure foot valve is immersed
by at least 50cm
Pump needs to be primed
Clean foot valve
Excessive suction height
No Power
Impeller stuck
Foot valve partially clogged
Impeller blocked
Suction height at limit
Overheated motor
Impeller stuck
Air in suction
Clogged foot valve
Delivery head exceeds pump capacity Reduce delivery head
Specify different pump

7. TERMS OF WARRANTY
i) General Liability
!In lieu of any warranty, condition or liability implied by law, the liability of
Davis & Shirtliff (hereafter called the Company) in respect of any defect or
failure of equipment supplied is limited to making good by replacement
or repair (at the Company's discretion) defects which under proper use
appear therein and arise solely from faulty design, materials or workmanship
within a specified period. This period commences immediately after the
equipment has been delivered to the customer and at its termination all
liability ceases. Also the warranty period will be assessed on the basis of the
date that the Company is informed of the failure.
!This warranty applies solely to equipment supplied and no claim for
consequential damages, however arising, will be entertained. Also the
warranty specifically excludes defects caused by fair wear and tear, the
effects of careless handling, lack of maintenance, faulty installation,
incompetence on the part of the equipment user, Acts of God or any other
cause beyond the Company's reasonable control. Also, any repair or
attempt at repair carried out by any other party invalidates all warranties.
ii) Standard Warranty
General Terms
If equipment failure occurs in the normal course of service having been
competently installed and when operating within its specified duty limits
warranty will be provided as follows:-
?Up to two years - The item will be replaced or repaired at no
charge.
?Over two years, less than three years - The item will be replaced or
repaired at a cost to the customer of 50% of the Davis & Shirtliff
market price.
The warranty on equipment supplied or installed by others is conditional
upon the defective unit being promptly returned free to a Davis &
Shirtliff office and collected thereafter when repaired. No element of site
repair is included in the warranty and any site attendance costs will be
payable in full at standard chargeout rates.
7

INS178D-10/14