5
4
PRODUCT RECEIPT
4 .1
Model Identification
The model identification number and boiler serial number are found
on the boiler rating plate located on the bottom side of the unit. Also
the boiler serial number can be found on the front of the boiler casing
.
4 .2
Boiler box content
Component
Qty
1
Condensing gas boiler
1
2
Wall bracket
1
3
Pressure relief valve ASME
1
4
Condensate check valve
1
5
Gas cock
1
6
Condensate check valve gasket
1
Pressure relief valve gasket
1
Spare modulating gas valve gasket
1
7
Strain relief for secondary high voltage connexion:
- BWCAAG000120-150
- BWHAAG000120-150
1
2
8
Set of documents for appliance
1
9
Vent adaptor Ø 3” (80 mm), L=6” (155 mm) for
concentric Ø 3/5” (80/125 mm) - see section 8.8 fig.4
1
10
Vent adaptor Ø 2” (60 mm), L= 5 5/16” (135 mm) for
concentric Ø 2/4” (60/100mm) - see section 8.8 fig.1
1
11
Outdoor temperature sensor
1
12 Flexible tube for condensate drain (external) all models
1
13
Additional (loose) flow regulators:
for 150 combi Olive Green 13.0 l/min and Gray 18.0 l/min
2
for 120 combi Blue 10.0 l/min and Dark blue 16.0 l/min
2
14
Paper template (see “7.2 Boiler template”)
1
Lighting Instructions (see Section “10 LIGHTING
INSTRUCTIONS” page 43)
1
Warning Label (see Section “10 LIGHTING
INSTRUCTIONS” page 43)
1
LP Gas Conversion Sticker
1
2
33
4
5
6
7
9
10
8
1
14
11
12
13
4 .3
Installation at elevation
Rated inputs are suitable for up to 10,000 ft (3048 m) elevation
(see technical data table).
No hardware changes are required to the boilers for installations up
to 10,000 ft (3048 m) (adjustments are required).
For additional settings on high altitude installations refer to your
local distributor.
5
INTRODUCTION
The boilers have a new automatic combustion control system.
This new control system ensures functionality, efficiency and low
emissions under any conditions.
This system uses an ionization sensor (flame sensor)immersed in
the burner flame, whose information allows the control board to
operate the gas valve that regulates the fuel.
This sophisticated control system provides the auto-regulation
of the combustion, so there is no need for an initial calibration;
however, it is recommended (required in some jurisdictions) that a
combustion analysis is performed during initial start-up and annual
maintenance.
This system is able to adapt the boiler to operate with different
gas compositions, different air inlet and exhaust vent lengths and
different altitudes (within the specified design limits).
This system can also perform an auto-diagnostic operation that
locks out the burner before the permitted upper emission limit is
exceeded.
BWC
and
BWH
are wall hung fan assisted room-sealed condensing
boilers
.
The
BWC
combi is a direct vent, CAT IV wall mounted boiler for
heating and prodution domestic hot water.
The
BWH
heating only is a direct vent, CAT IV wall mounted boiler
that is able to operate as follows:
- CASE A:
heating only with tank thermostat: in this condition, the
boiler delivers hot water to the water tank whenever a demand
is made by the relative thermostat
.
- CASE B:
heating only with tank sensor and sliding outlet:
in this
case, the outlet setpoint in a DHW request is no fixed at 120°F
(49°C) but variable (default for BWH model)
- CASE C:
heating only with tank sensor and fixed outlet:
this
setting performs a modulation to a fixed outlet value of 120°F
(49°C) when there is a DHW request
.
The water heater is not supplied by our company, make sure that
the relative indirect tank sensor (NTC sensor) has the following
characteristics: 10 kOhm at 77°F (25°C), B 3435 ±1%. The kit
KBANT0101111 is available for purchase.
These appliances are designed for use with a sealed system
only; consequently they are not intended for use on power vented
systems.
This manual is an integral part of the appliance. It is therefore
necessary to ensure that the manual is handed to the person
responsible for the property in which the appliance is located/
installed.
Additional copy can be obtained from your local distributor.
IMPORTANT
It is required that all gas appliances are installed by a competent
person.
It is in your own interest and that of safety to ensure that the law is
complied with.
− The installation must conform to the requirements of the authority
having jurisdic
tion or, in the absence of such requirements, to
the National Fuel Gas Code, ANSI Z223.1/NFPA 54. Where
required by the authority having jurisdiction, the installation
must conform to the Standard for Controls and Safety Devices
for Automatically Fired Boilers, ANSI/ASME CSD-1.
− The installation should conform with CAN/CSA B149.1
INSTALLATION CODE and/or local installation Code, plumbing
or waste water codes and other codes as applicable.
− Clearances from combustible material must be strictly adhered to.
− Manufacturers instructions must NOT be interpreted in anyway
as overriding local regulations.
Massachusetts:
Boiler installation must conform to Commonwealth of
Massachusetts code 248 CMR which includes but is not limited to:
• Installation by licensed plumber or gas fitter.
In the state of Massachusetts:
− This product must be installed by a licensed plumber or gas
fitter.
− When flexible connectors are used, the maximum length shall
not exceed 36 in. (914 mm).
− When lever type gas shutoffs are used they shall be T−handle
type.
− The use of copper tubing for gas piping is not approved by the
state of Massachusetts.
Gas furnaces manufactured on or after May 1, 2017 are not
permitted to be used in Canada for heating of buildings or
structures under construction.
