Stiebel-eltron SHZ 30 LCD Manuel d'utilisateur télécharger pdf (Page 16)

3. Installation instructions for the qualified installer

3.1 Unit structure

15 Control panel

16 Hot water outlet nozzle G ½

17 Cold water inlet nozzle G ½

18 Heating element

19 Parasitic current anode

20 Electronic module (control unit)

21 Reset button of safety thermal cut-out

22 Electronic module (regulation)

23 Safety thermal cut-out

24 Sealing ring

Draining valve with hose connection G ¾

26 Aperture for customer provided remote

control of rapid heating in combination

with PG 11

27 Cable aperture PG 21 for electrical

connection

28 Inflow

29 Outflow pipe

30 Suspension bracket, top*

31 Suspension bracket, bottom*

(SHZ 120 LCD, SHZ 150 LCD only)

32 Connection cable for „electronic

modules“

33 Sliding switch for operating modes

34 Sliding switch for output variants

35 Unit connection terminal

36 Temperature sensor

37 Parasitic current anode

38 Customer provided remote control for

rapid heating

39 Customer provided power supply

company contact

* for customer provided screws 12 mm dia.

3.2 Fittings

! Unvented (pressurized) mode of

operation: Safety groups kV 30 or kV 40

! Vented (pressureless) mode of operation:

Fittings without pressure

3.3 Regulations and

provisions

! The installation (water and electrical

installation) and first start-up, as well as the

maintenance of this unit may only be

carried out by an approved specialist

installer in accordance with these

Instructions.

! Perfect function and operational safety are

only guaranteed with original accessories

and spare parts intended for the unit.

! IEE Regulations (electrical).

! Provisions of the local energy supply utility

company.

! WRC Regulations (water).

! Provisions of the water supply utility

company responsible.

The following are also to be respected:

! The unit rating plate

! Technical data

! Water installation

Pipe material:

– Cold water pipe – Hot water pipe

Copper pipe Copper pipe

Steel pipe Steel or copper pipe

Plastic pipe systems:

Installation also in conjunction with

DVGW-tested plastic pipe system for

cold-water and hot-water pipe systems.

! Electrical installation

– Electrical connection only with fixed-laid

leads in association with removable

cable bushings.

– The unit must be capable of all-pole

disconnection from the mains, for

example by fuses, with an isolating

distance of at least 3 mm.

3.5 Installation location

! Install in a vertical position; see

! In an area not subject to the risk of

freezing.

! Install close to the water tap.

3.6 Unit installation

! Fit the suspension bracket.

Select the securing material to suit the

strength of the wall. With SHZ 120 LCD

and SHZ 150 LCD, two suspension

brackets are required.

Any unevenness in the wall is to be

compensated for by the spacer elements

provided (a. approx. 5 mm thick).

! Suspend the unit.

! Push the cover caps onto the suspension

bracket (b).

3.7 Water connection

! Unvented (pressurized) for the

supply of several draw-off points.

– Install the type-tested safety groups

KV 30, Order No. 00 08 26, up to

0.48 MPa water pipe pressure

KV 40, Order No. 00 08 28, up to 1 MPa

water pipe pressure

a Safety valve

b Backflow preventer

c Test valve

d Throughflow isolating valve (choke)

e Pressure reducer (with KV 40)

f Test nozzle for pressure gauge

g Thermostat fitting TA 260

Order No. 00 34 66 (order

separately), also possible in conjunction

with KV 40.

– Establish dimensions for the outflow pipe

for a fully-opened safety valve. The drain

aperture of the safety valve must remain

open to the atmosphere.

– The drain for the safety group is to be

installed with a constant downwards

inclination.

– The information provided in the

Installation Instructions for the safety

group are to be respected.

– Set a maximum flow rate of 18 l/min at

the choke of the safety group.

! Vented (pressureless) for the supply

of one single draw-off point

The units are suitable for vented

(pressureless) operation mode.

Do not block off the drain and

fittings pivot arm.

– With this installation the Stiebel Eltron

fittings for vented wall-mounted water

heaters

are to be used.

– Before connecting the fitting the water

pipe must be thoroughly flushed through.

– Each time heating takes place, expansion

water will drip out of the drain.

– For use, installation, first start-up, and

maintenance, the same instructions apply

as for the operation of unvented

(pressurized) water heaters.

Technical data (the data on the unit rating plate are applicable)

Type SHZ 30 SHZ 50 SHZ 80 SHZ 100 SHZ 120 SHZ 150

LCD LCD LCD LCD LCD LCD

Mixed water quantity l 59 97 159 198 235 292

40 °C (15 °C / 65 °C)

Capacity l 30 50 80 100 120 150

Weight empty kg 23.5 30 44 45 50 62.5

Connectable to power 1 - 4 kW 1/N/PE ~ 230 V

sources 1 - 4 kW 2/N/PE ~ 400 V

1 - 6 kW 3/N/PE ~ 400 V

Permissible operating

pressure 0.6 MPa (6 bar)

Table 1

Protection class

EN 60529 IP 25 D

Test marking See unit rating plate

Water connection G ½ (external thread)

Flow rate max. 18 l/min

Dimensions a mm 420 510 510 510 510 510

b mm 410 510 510 510 510 510

h mm 750 720 1030 1030 1190 1425

i mm––––300300

k mm 700 600 900 900 900 1100

l mm 70 140 150 150 310 345

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 43 44

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Stiebel-eltron SHZ 30 LCD Manuel d'utilisateur Page 16

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