Information About The Appliance; Proper Use; Overview Of Boiler Types; Rating Plate - Bosch KBR16-3 Installation And Service Instructions Manual

6 | Information about the appliance

3 Information about the appliance
KBR appliances are natural gas, residential boilers for central heating
and loading of an indirect fired DHW tank.
KWB appliances are natural gas, residential combi boilers for central
heating and on demand DHW heating.
The appliances comply with South Coast Air Quality Management
District (SCAQMD) 2012 requirements: (Type-1) 14 Ng/J NO
20 ppm at 3% O ).
2
3.1

Proper use

The appliance may only be installed in closed loop hot water central
heating systems.
Any other purpose is considered improper use. Any resulting damage is
excluded from the manufacturer's warranty.
The commercial and industrial use of the appliance for generating
process heat is not permitted.
3.2

Overview of boiler types

Table 1 describes the meaning of the model number:
KBR16-3 Heat only appliance
KBR21-3 Heat only appliance
KBR28-3 Heat only appliance
KBR35-3 Heat only appliance
KBR42-3 Heat only appliance
KWB28-3 Combi appliance
KWB35-3 Combi appliance
KWB42-3 Combi appliance
Table 1 Appliance types
K Floor standing heating appliance
W DHW heating
B Condensing technology
R Constant temperature control
16...42 Reference to output in kW.
42kW output equals 143 310BTU/hr
-3 Version
A Fan-supported appliance
23 Natural gas (NG)
3.3

Rating plate

The rating plate is located at the right side of the appliance.
Fig. 3 Position of the rating plate
6 720 810 590 (2015/05)
The rating plate contains the appliance output, model number, approval
data and serial number.
3.4
• Appliance is a floor mounted installation
• Intelligent boiler pump control
• Heatronic boiler control
• Three-speed boiler circulator
(and/or
x
• Automatic air vent (combi boiler only)
• Display
• Automatic ignition
• Continuously-controlled output
• Full protection via the Heatronic with flame rod and solenoid valves
• No minimum circulating water flow rate required
• Suitable for all hydronic emitters
• Flue adapter for flue gas and combustion air with test ports
• Variable speed fan
• Gas premix burner
• Heat exchanger temperature and high limit sensor
• LLH / Supply temperature sensor
A 23
• Temperature limiter
A 23
• Safety relief valve, pressure gauge
A 23
• Expansion vessel (combi boiler only)
A 23
• Connection possibility for DHW tank temperature sensor (NTC)
A 23
• Flue gas temperature limiter
A 23
• Connection for DHW...
A 23
• DHW (combi boiler only)
A 23
• Internal motorized 3-way valve (combi boiler only)
• Integrated low loss header with option to isolate flow
3.5
• Weather compensation control FW200
• CRC100 or CRC200 user interfaces
• CZM100 Zoning module
• Optional concentric vent kit available for horizontal direct vent
• Modules for system expansions:

Appliance description

(heating boiler only)

Accessories

Here you will find a list of typical accessories for this
appliance. Refer to the Bosch Product Catalog for a
complete overview of all available accessories.
terminations
– ICM for cascading up to 4 boilers
Greenstar FS