3
xtra
-
Installation & Servicing
GENERAL
xtra
CONTENTS
Boiler Assembly - exploded view
. ..................................
10
Boiler Clearances
. ............................................................
8
Boiler Dimensions
. ...........................................................
7
Commissioning and Testing
. .........................................
31
Electrical Connections
. ..................................................
13
Electrical Supply
. ..............................................................
6
Fault Finding
. ...................................................................
42
Flue Installation
. ................................................................
5
Gas Safety Regulations
....................................................
4
Gas Supply
. ........................................................................
4
Hydraulic Resistance
. ......................................................
2
Initial Lighting
. .................................................................
31
Installation
. ......................................................................
10
Locating/Levelling the Boiler
. .........................................
11
Option Kits
. ........................................................................
4
Performance Data
. ...........................................................
2
Servicing
. ........................................................................
32
Short List of Parts
. .........................................................
45
Ventilation
. ........................................................................
8
Water Circulation
. ............................................................
5
Water Connections
. .........................................................
7
Water System Requirements
. .........................................
9
Water Treatment
. .............................................................
6
Wiring Diagrams
. ............................................................
16
Natural Gas only
PI No
. 0063 BR 3123
Destination Countries:
GB,
IE
Key to symbols
IE = Ireland, GB = United Kingdom (Countries of destination)
PMS =
Maximum operating pressure of water
C53 =
A room sealed appliance which is connected
via its separate ducts to two terminals that
may terminate in zones of different pressure.
C63 =
A room sealed appliance intended to be
connected to a separately approved and
marketed system for the supply of
combustion air and discharge of combustion
products. The fan is up stream of the
combustion chamber.
B23 =
An appliance intended to be connected to a
flue which evacuates the products of
combustion to the outside of the room
containing the boiler. The combustion air is
drawn directly from the room. The fan is up
stream of the combustion chamber.
NOTE TO THE INSTALLER: LEAVE THESE INSTRUCTIONS ADJACENT TO THE GAS METER.