Davey M5138 User manual

Installation and

Operating Instructions

WARNING: Failure to follow these instructions and comply with all applicable

codes may cause serious bodily injury and/or property damage.

The installation of this product should be carried out by a person knowledgable

in swimming pool plumbing requirements following the installation instructions

provided in this manual.

Please pass these instructions on to the operator of this equipment.

Davey Peristaltic Pump

AS Series

Model: M5138

Contents

1. Warnings and Tips..............................................................................................3

1.1 Proper use of the Pump ................................................................................3

1.2 Risks..............................................................................................................3

1.3 Toxic and/or Dangerous Liquid Dosage ........................................................4

1.4 Instruction for Diluting Pool Acid ...................................................................4

2. Pump Description................................................................................................5

2.1 Parts Description...........................................................................................5

2.2 Buttons Description .......................................................................................6

3. Installation and Recommendation.....................................................................7

3.1 Recommendations ........................................................................................7

3.2 Accessories Mounting ...................................................................................8

3.2.1 Bracket ........................................................................................................8

3.2.2 Mounting of the Clamp ................................................................................9

3.2.3 Mounting of Injection Valve .........................................................................9

3.2.4 Mounting of the Probe on the Probe Holder..............................................10

3.2.5 Mounting description of Tube on the Injection Valve.................................10

4. Connecting the power and pool pump to your

pH Controller.................................................................................................... 11

5. Commissioning and Operation ........................................................................12

5.1 Calibration Procedure..................................................................................12

5.2 Settings .......................................................................................................13

5.2.1 Adjustment of the Set point .......................................................................13

5.3 Operating Principle......................................................................................14

6. Maintenance.......................................................................................................14

6.1 Replacement of the Peristaltic Tube............................................................14

6.2 Maintenance of the Peristaltic Tube............................................................15

6.3 Maintenance of the Electrode......................................................................15

6.4 Controller Winterising..................................................................................15

6.5 Probe Winterising........................................................................................15

7. Trouble Shooting...............................................................................................16

Davey Repair or Replacement Guarantee............................................................17

In accordance with AS/NZS 60335.2.41 we are obligated to

inform you that this pump is not to be used by children or

inrm persons and must not be used as a toy bu children.

1.Warnings and Tips

Please read the warning notices very carefully because they provide

important information regarding safety in installation, maintenance and use

of the pH pump.

• Keep this manual in a safe place, so that it will always be available for

further consultation

• The device complies with N° 89/336/CEE “electromagnetic

compatibility” and N°73/23/CEE “ low voltage ” and also the

subsequent modication N° 93/68/CEE

Note: This pump has been constructed in accordance with best practice.

Product life, electrical and mechanical reliability will be enhanced if it

is correctly used and regularly maintained.

WARNING Any intervention or repair to the internal parts of the pump must

be carried out by qualied and authorised personnel. The manufacturers

decline all responsibility for the consequences of failure to respect this rule.

1.1 Proper use of the Pump

The pump should be used only for the purpose for which it has been

expressly designed namely the dosing of liquids. Any different use is to

be considered dangerous. The pump should not therefore be used for

applications that were not allowed for in its design. In case of doubt, please

refer to the details listed within this document, or contact your point of

purchase or Davey Water Products for further information. The manufacturer

of this product will not be liable for damage deriving from improper,

erroneous or unreasonable use of the pump.

1.2 Risks

• After unpacking the pump, make sure that it is completely sound. In

case of doubt, do not use the pump and contact Davey

•The packing materials (plastic bags, polystyrene, etc.) should be kept

out of the reach of children: As they may constitute a potential source of

danger

• Before you connect the pump make sure that the voltage ratings

correspond to your particular voltage supply. You will nd this value on

the rating plates attached to the pump

• The electrical installation to which the pump is connected must

comply with the local standards enforced in the state or country under

consideration

Use of electrical equipment always implies observance of some basic rules.

In particular:

- Do not touch with wet or damp hands or feet.

- Do not operate the pump with bare feet (example: swimming pool

equipment)

Never connect your pH pump direct to mains power. Always

connect it to the chlorinator power supply so it operates during the

preset ltration time cycles.

- Do not leave the equipment exposed to atmospheric agents

- Do not allow the pump to be used by children or unskilled individuals

without supervision

• In case of breakdown or improper functioning of the pump, switch it

off, but do not touch. Contact Davey for technical assistance for any

necessary repairs and insist on the use of original spares. Failure to

respect this condition could render the pump unsafe to use

• When the Davey AS Series pump is not in use for a substantial period

of time, or use is to be discontinued, disconnect the unit from any power

supply

Before carrying out any service on the pump:

1) Disconnect the mains power from the unit and

2) Relieve all the pressure from the pump head or the injection tube

In the event of possible losses on the hydraulic system of the pump

(breakage of the O-ring, the valves or the hoses), stop the pump

immediately and contact Davey.

1.3 Toxic and/or Dangerous Liquid Dosage

To avoid risk from contact with hazardous liquids or toxic fumes, always

adhere to the notes in this instruction manual and wear protective clothing

(gloves, goggles & overalls).

• Follow the instructions of the dosing liquid manufacturer

• Check the hydraulic part of the pump and use it only if it is in perfect

condition

• Use only the correct materials for the tubing, valves and seals to suit the

liquid to be dosed: where possible shield the tubing with PVC conduit

• Before disconnecting the metering pump, make sure to ush out and

neutralise the pump head with the proper reagent liquid

1.4 Instructions for diluting pool acid

The ChloroMatic®Salt Water Chlorinator with pH control, automatically

doses a diluted acid solution into the pool when the pH level needs to be

reduced. The peristaltic pump draws this diluted acid from a container in

which the solution is mixed.

Use the table below to determine what water/acid ratio is recommended for

your pool, in an approved 20 litre Hydrochloric Acid container.

IMPORTANT: KEEP BARE HANDS AWAY FROM POOL ACID AND ALWAYS

USE CAUTION WHEN HANDLING POOL CHEMICALS.

2.Pump Description

The Davey Peristaltic pump is characterised by its ability to measure pH

value (between 0 and 14) with its probe placed on the ltration system

that analyses the pool water.

Depending of the measured value, the pump will inject the required

amount of product needed to maintain the balance of the pool water.

2.1 Parts description

Here are the complete contents of the package you received. All parts

will be necessary for the proper operation of your device.

A. Peristaltic pump

B. 4 meters of PVC Cristal tube

C. Electrode/pH Probe & Protective Cap

D. Foot lter

E. Injection valve

F. Clamp DN50 x 2

G. Buffer solution pH7

H. Screws & Masonry plugs for wall mounting

I. Inline electrode holder

J. Shutter washer

Fig. 1

C D

Pool Size

Recommended Water/Acid

Dilution Ratio

Volumes for a Suitable

20 Litre Container

Water (parts) Acid (parts) Water

(Litres)

Hydrochloric

Acid (litres)

Up To 100,000 litres 5 1 17 3

Above 100,000 to 160,000 litres 3 1 15 5

Note: These ratios are based on Hydrochloric Acid strength of 28% and

should not be any greater than this percentage.

Please ensure that you keep the storage area of the acid well ventilated

and ensure you use a suitable container with resistance to Hydrochloric

Acid. These containers can be purchased at pool stores.

2.2 Buttons Description

CAL

SET

pH -

1. Press SET to see and adjust the set point.

2. Press CAL allows calibration of the pH level associated to the SET

button to change the value of the set point

3. Value/level of pH in water

4. pH - unit of measure to determine pool water chemical level. pH level

should remain between 7.2 and 7.6

Fig. 2

1 2

3.Installation Recommendations

3.1 Recommendations

• Install the pump in a dry place and well away from sources of heat

and in environments not exceeding 45°C. The operating minimum

temperature depends on the liquid to be pumped, bearing in mind that it

must always remain in a liquid state

• Carefully observe any standards in force in your state, territory or

country, as to electrical installation regulations and requirements

• The Davey AS Series pump will be in operation only when your ltration

pump is running

WARNING

• It is important to keep a minimum distance of 200mm

between the probe “C“ and the injection valve “E”

• The injection valve “E” must be placed last in the pipework

hydraulic installation

• In the case of an installation with redox and pH regulation,

it is advised to put the two sensors side by side and the

pH injection before chlorine injection to minimise the risk of

scale deposition on the chlorine injection

• For optimal service life of your peristaltic pump tube, it is

advised not to exceed a pressure of 1 bar and under no

circumstances exceed a pressure of 1.5 bar

• The pH probe must be located before any other device

such as a heater or an electrolyser

Please refer to the enclosed Davey ChloroMatic or Sanitiser

Installation & Operating Instructions for the “Injection Valve”

and “pH probe” location and positioning.

3.2 Mounting the Pump

3.2.1 Bracket

• Use mounting accessories « H » to x the bracket of the pump

• Remove the bracket on the pump by sliding it down

• Locate the bracket in the space chosen and mark the holes

• Drill the holes as required

(3mm for timber walls & 6mm for masonry walls)

• Fix the bracket to the wall

• Slide and secure pump into the bracket

Fig. 4

pH Pump

Mounting

Bracket

3.2.2 Mounting of the Probe clamp

3.3.3 Mounting of Injection Valve

Fig. 5

Fig. 7

Fig. 6

Fig. 8

Oring

A nut

Put Teon tape

on threads

Pierce the top wall of the pipe

work through the clamp:

- Ø 8mm for the injection valve

- Ø 14 mm for the electrode/pH

probe.

This assembly is xed on the pipe

work.

3.2.5 Mounting description of the Tube on the Injection Valve

Fig. 10

A nut

Disk brake

Washer seat

Oring

Bracket

A nut

The PVC tube

A nipple

3.2.4 Mounting of the pH Probe into the Probe Holder

After removing the protective cap from the probe, you need to insert all

the parts as shown in the Fig.9.

Once the probe has been constructed as indicated in Fig.9, tighten

the probe nut without crimping the probe body. Push the probe

approximately 20mm into the pipe work so that the probe tip is

approximately halfway into the pipe work. Connect the probe lead to

the BNC terminal on the pump. (Fig.10)

The hydraulic hose is placed in the same way on the foot lter and on

the pump.

1. Slide the tube through the nut

2. Put the tube at the bottom of the conical nipple

3. Screw the nut by hand onto the nipple

Fig. 9

Fig. 11

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