Manual Elson Zircon (page 3 of 24) (English)

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IMPORTANT:

THIS APPLIANCE IS NOT INTENDED FOR THE

USE BY PERSONS (INCLUDING CHILDREN)

WITH REDUCED PHYSICAL, SENSORY

OR MENTAL CAPABILITIES, OR LACK OF

KNOWLEDGE AND EXPERIENCE, UNLESS

THEY HAVE BEEN GIVEN SUPERVISION OR

INSTRUCTION CONCERNING THE USE OF THE

APPLIANCE BY A PERSON RESPONSIBLE FOR

THEIR SAFETY.

CHILDREN MUST BE SUPERVISED TO ENSURE

THEY DO NOT PLAY WITH THE APPLIANCE.

SITING THE UNIT

The cylinder must be vertically oor mounted.

Although location is not critical, the following points

should be considered:

• The cylinder should be sited to ensure minimum

dead leg distances, particularly to the point of

most frequent use.

• Avoid siting where extreme cold temperatures

will be experienced. All exposed pipe work

should be insulated.

• The discharge pipework from the safety valves

must have minimum fall of 1:200 from the unit

and terminate in a safe and visible position.

• Access to associated controls and immersion

heaters must be available to provide for the

servicing and maintenance of the system.

Where these controls are installed against a wall a

minimum distance of 250mm must be left (see

Fig. 1).

• Ensure that the oor area for the cylinder is level

and capable of permanently supporting the

weight when full of water. (see Table 1)

WATER SUPPLY

Bear in mind that the mains water supply to the

property will be supplying both the hot and cold

water requirements simultaneously.

It is recommended that the maximum water

demand is assessed and the water supply

checked to ensure this demand can be

satisfactorily met.

Note: A high mains water pressure will not

always guarantee high ow rates.

Wherever possible the mains supply pipe should

be 22mm. We suggest the minimum supply

requirements should be 0.15MPa (1.5 bar) pressure

and 20 litres per minute owrate. However, at

these values outlet ow rates may be poor if

several outlets are used simultaneously. The higher

the available pressure and ow rate the better the

system performance.

The cylinder has an operating pressure of 0.35MPa

(3.5 bar) which is controlled by the cold water

combination valve assembly. The cold water

combination valve assembly can be connected to a

maximum mains pressure of 1.6MPa (16 bar).

OUTLET/TERMINAL FITTINGS (TAPS, ETC.)

The cylinder can be used with most types of terminal

ttings. It is advantageous in many mixer showers

to have balanced hot and cold water supplies. In

these instances a balanced pressure cold water

connection should be placed between the 2 pieces

of the cold water combination valve assembly (see

Fig. 2). Outlets situated higher than the cylinder will

give outlet pressures lower than that at the heater, a

10m height difference will result in a 0.1MPa (1 bar)

pressure reduction at the outlet. All ttings, pipework

and connections must have a rated pressure of at

least 0.6MPa (6 bar) at 80°C.

GENERAL REQUIREMENTS

Table 1: Unit weights

Fig. 1: Siting the Unit

WALL

Min 250mm

Type

Model

Reference

Nominal

Capacity

(litres)

Weight of

unit full

(Kg)

Weight

of unit

(Kg)

Indirect 120zi 120 147 27

150zi 150 182 32

170zi 170 204 34

210zi 210 250 40

250zi 250 294 44

300zi 300 352 52

Direct 120zd 120 144 24

150zd 150 178 28

170zd 170 201 31

210zd 210 247 37

250zd 250 289 39

300zd 300 349 49

Hi. My cylinder is getting too hot. Boiler continues to run for hot water when programmer is off for heating and hot water. Diverter valve is working so what else could be causing this? Submitted on 14-1-2023 at 11:28
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Elson Zircon Manual

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