Heatrae Sadia B3 M Manual de usuario

Fitting Instructions and User Guide

B3/C3 M RANGE

CONTENTS

SECTION ...............................................................PAGE

1.0 INTRODUCTION ................................................. 3

2.0 TECHNICAL SPECIFICATION............................. 4

3.0 INSTALLATION .................................................... 5

4.0 COMMISSIONING.............................................. 11

5.0 EXPLANATION TO USER................................... 12

6.0 MAINTENANCE.................................................. 14

7.0 FAULT FINDING.................................................. 15

8.0 SPARE PARTS ...................................................... 16

9.0 ACCESSORIES .................................................... 16

10.0 GUARANTEE....................................................... 17

11.0 ENVIRONMENTAL INFORMATION.................. 17

12.0 COMMISSIONING RECORD............................. 18

13.0 SERVICE RECORD .............................................. 19

14.0 SPARES STOCKISTS ........................................... 20

1.0 INTRODUCTION

Thankyou for purchasing a Heatrae Sadia B3M or C3M vented water heater.

The B3M or C3M water heater is manufactured in the UK to the highest

standards and has been designed to meet all the latest relevant safety

speciﬁcations.

1.1 IMPORTANT POINTS

The B3M or C3M must be installed and commissioned by a competent

person. Please read and understand these instructions before installing the

B3M or C3M. Following installation and commissioning, the operation of the

B3M or C3M should be explained to the user and these instructions left with

them for future reference.

This appliance can be used by children aged from 8 years and

above and persons with reduced physical sensory or mental

capabilities or lack of experience and knowledge if they have

been given supervision or instruction concerning use of the

appliance in a safe way and understand the hazards involved.

Children shall not play with the appliance. Cleaning and user

maintenance shall not be made by children without supervi-

sion.

Children must be supervised to ensure they do not play with

the appliance.

Means for disconnection from the supply mains having a con-

tact seperation in all poles that provide full discnnection under

overvoltage category III conditions is required. The instructions

shall state that means for disconnection must be incorporated

in the ﬁxed wiring in accordance with the wiring rules.

The B3M or C3M vented water heaters are designed to be wall mounted.

Ideally they should be mounted close to where hot water is required most

frequently. Pipe runs should be kept to a minimum.

The B3M and C3M can be installed either as an Open Outlet or Cistern Fed

type unit when used with the appropriate ﬁttings.

Install only as an OPEN OUTLET or CISTERN FED unit, failure to do so will

invalidate any guarantee and may lead to a dangerous installation.

OPEN OUTLET INSTALLATION

When installed as an Open Outlet water heater the outlet acts as a vent

and must not be connected to any form of tap or ﬁtting not recomended

by Heatrae Sadia. Only one outlet can be served via an Open Outlet type

tapset.

CISTERN FED INSTALLATION

When installed as a Cistern Fed water heater the cold water supply must

be from a feed cistern complying with Water Byelaw 30.

A vent pipe must be connected to the outlet of the heater. The vent pipe

must rise continuously and be arranged to discharge into the cold water

feed cistern.

The vent pipe must have a minimum bore of 19mm.

More than one conventional tap can be supplied.

1.2 PACK CONTENTS

Before commencing installation check that all the following components have

been supplied in the Installation Kit :

• Open Outlet Spout

• Inlet Valve

• White 15mm Push Fit Spout Adaptor

• White 15mm Push Fit Cap

• White 15 x 22mm Push Fit Straight Connector

• Wall mounting bracket set

• Self adhesive Levelling Feet (2 off)

• Moulded plastic Spacer

• White 15mm Push Fit blanking cap

2.0 TECHNICAL SPECIFICATION

Electrical rating ..........................................................2.75/3kW @ 230/240V ~

Capacities...................................................................B3M - 30 litres

.....................................................................................C3M - 50 litres

Weight (full)................................................................B3M - 42.5kg

.....................................................................................C3M - 69.3kg

Rated pressure (Open Outlet) ..................................0MPa (0 bar)

Rated pressure (Max, head pressure Cistern Fed)..0.2MPa (2 bar) (20 metres)

Minimum recommended supply pressure ..............0.04MPa (0.4 bar) (4 metres)

3.0 INSTALLATION

Warning: this appliance must be earthed. It is suitable for a.c. supply only.

Electrical installation must be carried out by a competent electrician and be in

accordance with the latest IEE wiring regulations

Warning: Do not connect any pressure-relief device to the vent pipe of this

water heater.

Warning: The outlet acts as a vent and must only be connected to a ﬁtting

recommended by the manufacturer. It must not be connected to a tap.

1. National Wiring rules may contain restrictions concerning the installation of

these units in bathrooms.

2. The unit should be vertically wall mounted using the wall bracket and levelling

feet supplied (see Section 3.1 INSTALLATION - WALL MOUNTING). The inlet

and outlet water connections must always be on the bottom of the unit.

3. Enough space should be left below and at the top above the unit for pipe

connections. Refer to Diagram 1 and the Dimensions Table to determine a

suitable position for the heater.

4. NOTE: Ensure that the wall can support the full weight of the unit (see

TECHNICAL SPECIFICATIONS) and that there are no hidden services (electricity,

gas, or water) below the surface of the wall.

5. DO NOT install where the unit may freeze.

6. Refer to the section IMPORTANT INSTALLATION POINTS to determine which

valves and accessories are required.

7. The water connections are 15mm diameter copper tubes suitable for compression

ﬁttings. Do not use solder joints as this will damage the heater.

8. The INLET is marked BLUE, the OUTLET is marked RED. It is recommended that

a WRAS Listed isolating valve be ﬁtted on the cold water supply to the heater.

9. Plumbers Paste must not be used as it can impair the operation of components.

Direct

Supplier’s name or trade mark

Supplier’s model identifier B3 C3

Storage volume V in litres 30.0 50.0

Mixed water at 40 °C V40 in litres 50 77

The declared load profile SM

The water heating energy efficiency class of the model DD

The water heating energy efficiency in % 30.6 34.5

The annual electricity consumption in kWh 603 1489

Daily fuel consumption Q fuel in kWh 2.940 7.060

The thermostat temperature settings of the water heater,

as placed on the market by the supplier

Specific precautions that shall be taken when the water

heater is assembled, installed or maintained and disposed

of at end of life

B3M/C3M

60°C

See section 2 to 6

Table: Technical parameters in accordance with European Commision

regulations 814/2013 and 812/2013

3.1 INSTALLATION - WALL MOUNTING

1. Using Figure 1 and the Dimensions Table as a guide mark the position

of the wall mounting bracket and lower location point. Drill and plug the

wall with suitable ﬁxings, ﬁx the wall bracket to the wall.

2. Fit the heater wall bracket to the rear of the unit using the screws provided

ensuring the central location bolt is pointing towards the bottom of the

unit.

3. Remove the backing paper from the self adhesive pads of the Levelling

Feet and afﬁx them to the lower back of the unit in the approximate

positions shown on Figure 2.

4. Hang the unit on the wall mounting bracket ensuring the location bolt

locates in the hole in the wall bracket. Position the moulded spacer block

between the tab on the bottom cover moulding and the wall. Insert a

No. 10 x 2 1/2”long screw through the tab and spacer block and tighten

into wall plug.

FIGURE 01: DIMENSIONS

352

168

121

AB C

236

370

100

FIXING CENTRES

OF MOUNTING

BRACKET

FIXING CENTRES

OF MOUNTING

BRACKET

FIXING CENTRE

OF LOWER

LOCATION POINT

Dimension B3M C3M

A 616 888

B 665 937

C 705 977

D 506 778

3.2 PLUMBING - OPEN OUTLET

1. When installed as an Open Outlet water heater the outlet acts as a vent

and must not be connected to any form of tap or ﬁtting not recommended

by Heatrae Sadia.

2. Only one outlet can be served. The ﬁttings supplied include an inlet Tap,

300mm Open Outlet Spout, a 15mm straight Push Fit connector and a

15mm Push Fit cap. The heater should be sited so that the spout can

discharge into a suitable sink or basin.

3. Streamline option packs K, Q, Y, J, M, W, R, P, X, or S/T can be used in

place of the spout to provide a single tap outlet. Flow rates will be at a

reduced rate. Note: item 3.2.7

4. The cold water supply may be taken from the cold water mains or

from a cold water feed cistern complying with Water Byelaw 30 with a

minimum recomended pressure of 0.4 bar (4 metres head). A drain cock

should be incorporated in the supply to facilitate draining the heater for

maintenance.

5. The inlet tap should be ﬁtted to the INLET pipe of the heater. The inlet

must not be connected directly to the cold water mains supply. The

Outlet Spout should be ﬁtted to the OUTLET pipe using the 15mm

straight push ﬁt connector supplied in the ﬁttings kit.

6. The 15mm Push Fit Cap, with tamperproof collet, must be ﬁtted to the

Vent Pipe on the top of the heater.

7. In an Open Outlet installation it is normal for the spout to drip during

heating. This is due to expansion of water as it is heated within the unit, it

does not indicate a fault. DO NOT attempt to stop this dripping by over-

tightening the inlet tap as damage to the sealing washers or internal

operating mechanism will occur.

FIGURE 02: BRACKET & LEVELLING FEET POSITIONS

HEATER

MOUNTING

BRACKET

LOCATING

BOLT

SELF ADHESIVE

LEVELLING FEET

MOULDED

SPACER BLOCK

BACK

HEATER

3.3 PLUMBING - CISTERN FED

1. This method of installation must be used if the outlet is to be connected

to one or more conventional taps. It is not recommended for suppling

a shower. Individual site demands should be considered when choosing

the number of outlets to be served.

2. A vent pipe must be connected to the outlet connection of the heater.

3. The vent pipe must have a minimum internal diameter of 19mm.

4. The vent pipe must be unobstructed, rise continously and be arranged

to discharge over the cold water feed cistern. DO NOT connect any

pressure relief device to the vent pipe of this water heater.

5. The cold water supply must be from a cold water feed cistern complying

with Byelaw 30. The maximum head pressure must not exceed 20

metres.

6. It is recomended that an WRC Listed isolating valve is ﬁtted on the cold

water supply to the heater. A drain cock should be ﬁtted on the inlet

pipe to the heater at a level lower than the unit to allow draining for

maintenance.

7. The inlet must not be connected directly to the cold water mains

supply.

8. The Vent Pipe should be connected to the top of the heater using the 15

x 22mm Push Fit Straight Connector supplied.

FIGURE 03: TYPICAL OPEN OUTLET INSTALLATION

FIT PUSH FIT CAP

(SUPPLIED)

OUTLET SPOUT

(SUPPLIED) INLET VALVE

(SUPPLIED)

COLD WATER

SUPPLY

ISOLATING VALVE

(NOT SUPPLIED)

DRAIN COCK

(NOT SUPPLIED)

FIGURE 04: TYPICAL CISTERN FED INSTALLATION

DRAIN

COCK

VENT

PIPE

CISTERN TANK

ISOLATING

VALVE

B3/C3 M

HEATER

3.4 INSTALLATION - ELECTRICAL REQUIREMENTS

WARNING: THIS APPLIANCE MUST BE EARTHED. IT IS SUITABLE FOR A.C.

SUPPLY ONLY.DISCONNECTTHEELECTRICALSUPPLYBEFOREREMOVING

THE TERMINAL COVER. INSTALLATION MUST BE IN ACCORDANCE WITH

THE CURRENT IEE WIRING REGULATIONS.

1. The unit is supplied ﬁtted with a 1.0m 3 core 1.5mm2ﬂexible cable. The

electicity supply should be fused 13 Amp for a 3kW model and be via a

double pole isolating switch with a contact separation of at least 3mm in

both poles. Refer to the schematic wiring diagram below.

2. The wires are colour coded as follows:

Green and Yellow EARTH

Brown LIVE (L)

Blue NEUTRAL (N)

FIGURE 05: WIRING DIAGRAM

TERMINAL

BLOCK

THERMAL

CUT-OUT THERMOSTAT

RED

BLACK

ELEMENT RED

RED

NEON

EARTH LINK

CONTAINER

ELEMENT

PLATE

EARTH

POST

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