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2. Introduction and Principles Of Operation
Thank you for purchasing this Dry-Deck product from Pump Technology Ltd.
Since 1995 Whale have been the leading manufacturer of pump kits for use with shallow shower trays and wet floors.
These kits have the reputation of working reliably for many years without requiring maintenance.
Section 1 above shows the product installation in a basement with the components behind an access panel.
Look at your installation prior to fitting so that the pump, control unit, transformer and sensors are in accessible positions.
Typical installations would have these components in an adjacent cupboard i.e. airing cupboard or in a false wall with an access panel.
Please note: incorrect installation may invalidate the warranty.
Principles Of Operation
This Dry-Deck control unit uses flow sensors to measure the flow rate of water into the shower.
The pump speed is controlled directly from the Control unit which uses the signals sent from the flow sensors to adjust the pump speed to match the flow from the shower.
This prevents suction noise at the gulley. A simple setup is required to match the pump performance to the characteristics of the installation.
3. Installation & User Warnings
Installation Warnings
| Before Installation read the instructions. |
| Contact the Technical Helpline (0845 0694253) if you are unsure. |
| The MAXIMUM flow rate the pump is designed to work with is 12 Litres/Minute |
| Do not plumb the pump outlet into the waste piping that other appliances drain into as there is a risk of induced syphoning. Use an anti-syphon trap where necessary. |
| All electrical and mechanical components (transformer, pump, flow sensors and control box) must be accessible after installation. |
| The shower floor must have a fall of 25mm in 1metre. |
| Plumbing installations must comply to latest WRAS regulations. |
| The electrical wiring must conform to EU wiring regulations BS7671:2001 Amdt2:2004. |
User Warning
| This is a non-gravity installation. It is advisable where the property is unattended for an extended period that the water supply to the shower is shut off. |
| If there is a reduction in pump performance after installation please contact your installer. |
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1. Before mounting the pump refer to the
plumbing diagram in the next section for maximum pipe
runs. Mount the pump on a solid wall to prevent vibration. Use a back board if this is not possible. The pump is mounted vertically (See opposite) within 3m of the gulley. To aid servicing the head of the pump must be above the floor by at least 150mm (maximum height of 500mm). Fix the pump in position through the rubber feet with the screws and washers provided. |
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2. Rotate the pump head if necessary to give a straight
run of pipe to the waste. Loosen the clamping rings on the pump
head and rotate the head before retightening clamping rings. Note: Do not remove the pump head. |
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| 3.
Push fit fittings are provided to connect the pump to inlet and
discharge pipe work. All pipe work in and out of the pump must be in 22mm. Ensure fittings are locked after the pipe has been pushed home. |
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| Only one vertical lift on the inlet to the pump and the discharge from the pump is allowed. |
| When laying the pipe under the floor use only slow radius bends. |
| Use slow radius bends above the floor if possible to ease the flow of water and reduce the loading on the pump. |
| Using copper pipe is recommended to reduce the risk of air leaks at connections. |
| Ensure edges are burr-free. Burrs may cause a build up of hair etc. that will reduce flow. |
| Pipe work must be secured to prevent any vibration and noise. |
| Twist lock the securing ring on the push fit fittings (If semi rigid pipe is being used follow the manufacturers instruction to prevent air leaks). |
| Use silicone on
top of the seal to ensure proper sealing beneath tray. Using the
hand tool provided to tighten the locking flange, fit the gulley
cover into the sockets and push down with the palm of your hand to
secure. When fitting in solid floors, remove enough concrete for the installation of the waste water pipe and gulley. Where copper pipe runs under the concrete it must be lined to protect and prevent corrosion. For alternative gulley options see section 17. |
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7. Using the Dry-Deck with a macerator pump
| Where the pipe
run is greater than that specified for the Whale pump a macerator
pump may be used. Contact the technical helpline (0845 0694253) for
assistance. The discharge from the Whale PSDS must go into the top of the macerator box and not into lower side entries. DO NOT USE the bottom entries. The discharge from the Whale pump must go through the lid. It is preferable to have two separate discharge lines to waste and drainage when using Dry-Deck in conjunction with a macerator pump. Warning:- Failure of the macerator will not be detected by the Dry-Deck. |
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| Place the flow
sensor with the arrow in the direction of flow to the shower,
downstream of any other connections to the water supply. Each sensor
must be protected by a filter which is supplied in the kit. The flow sensor must be mounted in a straight length of unstressed pipe. Note: Do not remove, tighten or tamper with this device. Failure to comply will invalidate your warranty.
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| The transformer
must be mounted vertically with the wires exiting from the base of
the transformer when securing to a wall. Locate the transformer
outside the showering area (as per BS7671:2001 in zone 2 or 3, refer
to the diagram on the right). Fit the back cover plate with clean mating surfaces to the transformer. Fix to a flat surface. Connect transformer to 240v AC supply via a 5 amp fused spur. |
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10. Schematic of Dry-Deck Components
| Switch off the power to the
transformer while making connections. Mount the control unit in a position where it is not easily accessible to the user. The enclosure is IP45 rated and may be mounted in zone 2 of the bathroom. Strip wires 10mm and twist prior to inserting into the spring-loaded contacts. Push contact arm back with a finger or small screwdriver before inserting wire and then release. Check for a good connection by gently tugging on the wire. 1. Connect the output of the Whale transformer to the Trans Red and Trans Black connections as marked on the controller board. 2. Connect the pump supply wires to Pump Red and Pump Black connections. 3. Connect flow sensor to sensor connections using the colours as indicated on the controller board. For the cold supply use FS1 and for the hot supply use FS2 connections - see diagram on the right. |
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12. Three Stages of Pump Operation
| 1. Pump Start Up: The pump controller measures the volume of water released into the shower tray. The installer sets this volume so that there is water in the gulley before the pump starts thus preventing any start up sucking noise. |
| 2. Pumping Flow Rate: With the shower running at a mid flow setting the installer adjusts pump speed to match the flow of water into the tray. This is done by watching the level of water at the gulley and adjusting the speed up or down as required until the water is being pumped away slightly faster than the flow from the shower. |
| 3. Pump Shut Down: After the pump speed is set the shower is turned off. When the water is drained from the tray a gurgling noise is heard. The electric current loading on the pump is then stored for subsequent use in automatically turning off the pump. |
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a. Pressing the Mode button will switch between various mode settings. b. The Up and Down arrows are used to adjust the value. c. Press down the Mode button firmly until the LED blinks, this programs in the selected value.
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Switch power on to the transformer - the LED's will blink alternately. A simple five stage setup is all that is required for trouble free efficient performance for the Dry-Deck system. |
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Inlet Pipe Size:
Programme in the size of pipe work from the gulley to the pump. Select from 15mm to 22mm. Ignore the 15mm setting as this is not used for this application. With '22' illuminated on LED's hold the mode button down firmly until the LED blinks. Note: This will also reset all the factory default settings including the pump speed. |
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Pump Start Up: Start
Delay (litres):
This selects the initial amount of water in the tray before pumping starts. This should come above the level of the sump. (Factory default is the minimum setting of 0.4 litres). Pressing the Up arrow will increase the amount of water from 0.4 litres to 5 litres passing through the shower head before the pump starts. Make adjustments to this setting during final commissioning. |
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Pumping Flow Rate:
Pump Speed Settings: Prior to making adjustments turn the shower on and wait until the pump runs. Note: this uses a relative speed of '50' from which you vary the speed up and down. Each time you programme the selected value the LED will reset to show 50. Watch the level of water within the shower using the gulley cover as a guide. If the water level is lowering then reduce the speed of the pump by pressing the Down arrow. Use initial increments of 5 until fine tuning is required. When the water level is rising then increase the speed of the pump using the Up arrow. After making a change watch the water level. Wait at least 30 seconds, as the system needs to stabilise, until you see if the water is rising or falling. When the water level is slightly over pumping, program in the speed setting by pressing the Mode button firmly until the LED blinks. |
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Pump Speed - Narrow setting: This setting is only required in exceptional installations. Check that the pump copes over the full range of flow rates before using this setting. If this is the case make no adjustments. Move on to the next step. a. Pump speed must be set first as per above using a mid-range flow setting. b. Increase the flow from the shower in increments and watch the water level around the shower gulley. If this is rising or falling over time make adjustments until a constant level is observed then programme in the setting. c. This process may be repeated as required. The narrow adjustment corrects the flow rate over a band 1 litre/minute either side of the flow rate that is being calibrated. Note: The Pump Speed Narrow setting will only be required in some mixer valve installations. This is necessary where calibrated flow rate does not match actual flow rate from the pump (see graph below). |
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Narrow Calibration - adjusting for points of non-linearity
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Pump shut down:- Over Run (Auto Sense) preferred option To set Auto Sense Over Run (indicated by 'AS' on the LED) you must turn off the shower when you have selected this mode. When the pump is drawing air there will be a gurgling noise at the gulley, press down the Mode button so the controller stores the loading on the pump at this point. |
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Pump shut down:- Over
Run (Fixed) Alternatively, to set a fixed Over Run delay, use the Up and Down arrows. Each digit represents a delay of 5 seconds (i.e. 2=10 seconds over run). Hold the Mode button down to program. |
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a. All push fittings must have the twist lock in the locked position. b. Check all plumbing for leaks. c. Check waste water plumbing for leaks while pump is running. d. Ensure flow sensor is unstressed. After programming all the settings, turn the shower on and check for correct operation. Make final adjustments to the Start Delay if required. Note: 15 minutes after showering is finished, the pump will switch on for a brief period in order to remove any water that may have pooled. |
| The Whale Gulper
pump uses a single membrane to pump the water away. On the suction
stroke, water and debris are drawn in through the inlet valve. With
a chamber full of water the pump discharges the water through two
non-return valves on the outlet. The two outlet valves protect the
pump against losing prime. The aggressive flushing keeps the pump
valves clear of debris resulting in a pump which does not require
regular maintenance. Unlike other pumps, the Whale Gulper has the ability to run dry without causing damage to the pump. An additional advantage of the three non-return valves in the pump head, is that no smells can be passed back from the waste stack into the shower area. |
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The Dry-Deck product is guaranteed for two years from date of purchase against defects in materials and workmanship. If the system proves faulty, return it to your distributor with proof of purchase and purchase date. The manufacturer cannot be held responsible for claims arising from incorrect installation, unauthorised modification or misuse of the product. Incorrect installation may invalidate the warranty. |
16. EU Declaration Of Conformity
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Description of Equipment: Dry-Deck Shower Drain System Manufacturer's Declaration We hereby declare, under our sole responsibility, that the above equipment complies with the provisions of the following EC Directives. Electromagnetic Compatibility Directive 89/336/EEC, amended by 92/31/EEC and 93/68/EEC on the approximation of the laws of the Member States relating to electromagnetic compatibility. Low Voltage Directive 73/23/EEC amended by 93/68/EEC on the harmonization of the laws of the Member States relating to electrical equipment designed for use within certain voltage limits. CE mark affixed: 03/06/05 Basis on which conformity is declared The above equipment complies with the protection requirements of the EMC Directive and the principle elements of the safety objectives of the Low Voltage Directive.
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Standards Applied EN 60335-1:2002/A11:2004 Safety of household and similar electrical appliances. EN 60335-2-41:2003 Particular requirements for pumps. EN 55014-1:2000 Electromagnetic compatibility. Requirements for household appliances, electric tools and similar apparatus. Emission. EN 55014-2:1997 Electromagnetic compatibility. Requirements for household appliances, electric tools and similar apparatus. Immunity. Please contact the Whale Technical Helpline 0845 0694253 for help with any queries Signed (Authorised Person)  David Cresswell Engineering Director Munster Simms Engineering Ltd. 277-279 Old Belfast Road, Bangor, Co.Down, BT19 1LTN
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Transformer - 755.120
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Pump - SDS021T
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Control Unit - 755.124
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50mm Gulley - 755.140
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90mm Gulley - AK1695
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Vinyl Floor Gulley - AK1610
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Tiled Floor Gulley - AK1615
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Dry-Deck Spares Pump Only SDS021T Flow Sensor AK1555 Diaphragm Service Kit AK1550 Transformer 755.120 for more information or to order either spares or for gulley variations go to www.whale-spareparts.co.uk |
ã Pump Technology Ltd. Registered at Company’s House in the UK No.2728695
Unit 56, Youngs Industrial Estate, Aldermaston, Berks RG7 4PW.
Telephone - 0118 9821555 Fax – 0118 9821666 Email – support@pumptechnology.co.uk
