CONTENTS
Boiler Assembly - exploded view. .................................. 11
Boiler Clearances. .............................................................9
Boiler Dimensions. ......................................................7,8,9
Commissioning and Testing. .......................................... 38
Electrical Connections. ................................................... 18
Electrical Supply................................................................6
Fault Finding. ...................................................................51
Flue Installation. ................................................................5
Gas Safety Regulations ...................................................4
Gas Supply. ........................................................................ 4
Hydraulic Resistance. .......................................................5
Initial Lighting. .................................................................38
Installation. .......................................................................11
Option Kits. ........................................................................4
Performance Data. ............................................................. 2
Servicing. .........................................................................39
Short List of Parts. ..........................................................55
Ventilation. .........................................................................9
Water Circulation. .............................................................. 6
Water Connections. ......................................................... 18
Water System Requirements. .........................................10
Water Treatment. ...............................................................6
Wiring Diagrams. ........................................................22,23
IMAX XTRA E
Natural Gas only
PI No. 86 CL 27
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 ue 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.
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