Bosch Highflow 17e User manual

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Quick Reference Guide

Bosch Gas Hot Water Systems

Bosch has been delivering hot water to Australian

and New Zealand households for over 50 years.

Manufacturing continuous flow water heaters since

the 1930’s, Bosch has secured a name synonymous

with quality and innovation that continues to drive the

company today.

The Bosch mission is to deliver the most reliable and

efficient hot water appliances to fit the lifestyles of

today’s modern households. As a result, Bosch now

offers the largest range of continuous flow gas hot

water systems on the market.

This quick reference guide has been designed for

specifiers, tradespersons, architects and retail staff

involved in the selection, sizing and installation of

Bosch gas hot water systems.

Contents

1 Bosch continuous flow gas hot water systems p 4

1.1 Range overview p 4

1.2 Technical specifications p 5

1.2.1 Electronic gas hot water systems p 5

1.2.2 HydroPower gas hot water systems p 11

1.2.3 Pilot gas hot water systems p 13

2 Commercial gas hot water systems p 14

2.1 32 Series – commercial applications p 14

2.2 Professional Packs p 15

2.3 Manifolding options p 16

2.4 Commercial flueing accessories p 17

3 Sizing guide p 17

4 Quick installation tips p 18

5 Installation regulations p 19

5.1 Minimum clearance of flue terminals p 19

5.2 Installation locations for internal

continuous flow gas hot water systems p 20

6 Temperature controllers

for Highflow and 32 Series p 21

6.1 Highflow temperature controllers p 21

6.2 32 Series controllers p 21

7 Frequently asked questions (FAQs) p 22

8 Contact p 23

8.1 Bosch Thermotechnology Australia p 23

8.2 Bosch Thermotechnology New Zealand p 23

8.3 For you own records p 23

Highflow

u 17, 21 and 26 litres per minute

u External installation only

u Antifrost as standard

u 50°C limited models available in

Australia (standard model: 55°C)

u Up to 4 optional controllers can be

installed for precise temperature

control, increased energy

efficiency and water saving

features

u Minimum 5.5 star energy efficiency

32 Series

u 32 litres per minute

u External or internal* installation

u Suitable for large homes and

commercial applications

u Up to 3 optional controllers can be

installed for precise temperature

control (with KM3211WH models)

u Additionally, the 32Q model

includes a built-in pump and a

main controller, which allows for

programmed water re-circulation

into the hot water supply line

u Outstanding energy efficiency and

safety features

External HydroPower

u 10, 13 and 16 litres per minute

u External installation only

u Exclusive to Bosch – lighting a

flame with water!

u Forget about installing a power

point, replacing batteries, or

lighting a pilot light

u Easy installation

Internal HydroPower

u 10, 13 and 16 litres per minute

u Internal* installation only

u Ideal for frost prone areas

u No batteries, matches or power

supply needed for ignition

u Easy installation

Pilot Ignition**

u 10, 13 and 16 litres per minute

u External installation only

u Standing pilot light

u Easy installation

*Internal installations require flueing as per AS 5601 or NZ 5621,

respectively. Flue kits available from Bosch for 32 Series. For

more information, please see page 17.

**Pilot gas hot water systems not available in New Zealand.

All Bosch hot water systems are continuous flow gas hot water systems,

which means they only heat the required water on demand. They are wall-

hung, easy to install and much smaller than conventional storage systems.

Bosch continuous flow gas

hot water systems

Range overview1.1

50°c

This appliance

delivers water

NOT EXCEEDING 50°C

in accordance with

AS3498. Refer to AS/NZ3500,

local requirements and

installation instructions to

determine if additional delivery

temperature control is required.

Models

Highflow 17e Highflow 21e Highflow 26e

Part number YS1770RA YS2170RA YS2670RA

50°C limited (MP52)* YS1770RA5* YS2170RA5* YS2670RA5*

Ignition type Electronic Electronic Electronic

Flow rate L/min (25°C rise) 17 21 26

Flow rate L/min (50°C rise) 8.5 10.5 13

Mj/h 135 170 200

Star rating 5.66 5.56 5.53

Antifrost Standard Standard Standard

Installation External External External

Air supply / exhaust Power Flued Power Flued Power Flued

Gas type NG/LPG NG/LPG NG/LPG

Gas supply pressure (kPa) NG: 1.13 – 3.0 NG: 1.13 – 3.0 NG: 1.13 – 3.0

LPG: 2.75 – 3.0 LPG: 2.75 – 3.0 LPG: 2.75 – 3.0

Min. inlet water pressure for

max. flow (kPa) 100 130 230

Max. allowable inlet water

pressure (kPa) 1,000 1,000 1,000

Min flow rate (L/min) 2.5 2.5 2.5

Electricity

Supply (VAC) 230 - 240, 50 Hz (10 amp weatherproof power point

recommended within 500 mm of the unit)

Power Consumption (watts)

In use: 40 In use: 45 In use: 51

Antifrost: 129 Antifrost: 129 Antifrost: 129

Pipe Connection Sizes

Gas NG (mm) 20 (3/4”) 20 (3/4”) 20 (3/4”)

Gas LP (mm) 20 (3/4”) 20 (3/4”) 20 (3/4”)

Cold Water (mm) 20 (3/4”) 20 (3/4”) 20 (3/4”)

Hot Water (mm) 20 (3/4”) 20 (3/4”) 20 (3/4”)

Unit Dimensions

Height (mm) 520 520 600

Width (mm) 350 350 350

Depth (mm) 170 170 170

Carton weight (in kg) 18 19 22

Domestic Warranty

Parts and labour 3 years

Heat exchanger 10 years (part only)

Temperature controllers 3 years (parts and labour)

Optional Temperature Controllers

Main controller Standard: YPRM66XB**; Premium: YPRM67XB

Bathroom controller Standard: YPRS66XB**; Premium: YPRS67XB

Sub-controller YPRP62XB

Accessories

Lockable recess box 17 and 21e: RBHF50L**, 26e: RBHF26L**

Fully enclosed recess box FERB70**, RBHF304WDA***

Pipe cover YPHC304

* 50°C limited Highflow

models only available in

Australia. These units comply

with Australian Standards

3489-2003 (licence number

IPC20002). They have been

specifically designed for

applications, which require a

maximum water temperature

of 50°C. This eliminates the

need for mechanical tempering

valves.

** Only available in Australia.

*** Only available in New Zealand.

Technical specifications1.2

Highflow range

1.2.1 Electronic gas hot water systems

Product diagram

26e

Product diagram

17e & 21e

Connection dimensions – View from the top

26e

Connection dimensions – View from the top

17e & 21e

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Product diagram

Recess boxes for Highflow series

17e & 21e – RBHF50L (Australia only)

26e – RBHF26L (Australia only)

Product diagram

Fully enclosed recess box

FERB70 (Australia only)

Brick opening

dimensions (mm)*

Height 930

Width 345

Depth 145

*Minimum dimensions

Brick opening

dimensions (mm)*

Height 930

Width 365

Depth 175

*Minimum dimensions

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Brick opening

dimensions (mm)*

Height 980

Width 405

Depth 205

(if fully recessed)

*Minimum dimensions

The all new Highflow range represents the technological pinnacle of water heating. The new

electronic series lets you enjoy uncompromised quality, higher capacities and even more

temperature controllers.

Models

Bosch 32 Bosch 32Q

Part number KM3211WH KM3211WHQ

Ignition type Electronic Electronic

Flow rate L/min (25°C rise) 32 32

Flow rate L/min (50°C rise) 16 16

Gas input - low (Mj/h) 25 25

Gas input - high (Mj/h) 250 250

Star rating 4.8 4.8

Antifrost Standard Standard

Installation Internal* or External Internal* or External

Air supply / exhaust Power Flued Power Flued

Gas type NG / LP NG / LP

Gas supply pressure (kPa) NG: 1.13 – 3.0 NG: 1.13 – 3.0

LPG: 2.75 – 3.0 LPG: 2.75 – 3.0

Min. inlet water pressure for

max. flow (kPa) 200 200

Max allowable inlet water

pressure (kPa) 900 900

Min. flow rate (L/min) 3.5 3.5

Electricity

Supply (VAC) 230 - 240, 50 Hz (10 amp weatherproof power point

recommended within 500 mm of the unit)

Power consumption (watts)

In use (NG): 100 In use (NG): 135

In use (LPG): 115 In use (LPG): 150

Antifrost: 115 Antifrost: 140

Pipe Connection Sizes

Cold water inlet (mm) 20 (3/4”) 20 (3/4”)

Hot water outlet (mm) 20 (3/4”) 20 (3/4”)

Hot water return (mm) - 15 (1/2”)

Gas inlet (mm) 20 (3/4”) 20 (3/4”)

Unit Dimensions

Height (mm) 615 615

Width (mm) 464 464

Depth (mm) 240 240

Weight (kg) 29 32

Warranty

Domestic

3 years parts and labour 3 years parts and labour

10 years heat exchanger

(part only)

10 years heat exchanger

(part only)

Commercial

2 years parts and labour 2 years parts and labour

5 years heat exchanger

(part only)

5 years heat exchanger

(part only)

Optional Temperature Controllers

Main controller RCM3211 (included with 32Q)

Sub-controller RCS3211

Flueing

Vent cap KMVC100

Vertical flue kit FKV32LTR

Horizontal flue kit FKH32LTR (requires vent cap KMVC100)

Accessories

Quick connection cable KMQC0703339 (for 2 units in manifold)

System controller KMSC201 (for 3-6 units in manifold)

3m cable for system controller 0700073

5m cable for system controller 0700074

32 Series (for large homes and commercial applications)

* Internal installations require

flueing as per AS 5601 / NZ

5621. Flue size: 100 mm. Flue

kits available for 32 Series. For

more information, please see

page 17.

Product diagram*

KM3211WH & KM3211WHQ

Connection dimensions – View from the top

KM3211WHQ

(Bosch 32Q)

Connection dimensions – View from the top

KM3211WH

(Bosch 32)

*All dimensions are in mm.

Dimensions are identical for

KM3211WH and

KM3211WHQ;

KM3211WHQ shown.

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