Bosch Highflow 21e - Technical Specifications - Highflow Range

5
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