3
IMAX XTRA EL
-
Installation & Servicing
GENERAL
CONTENTS
Boiler Assembly - Exploded View ..................................12
Boiler Clearances
.
.............................................................9
Boiler Dimensions
.
.........................................................8-9
Commissioning and Testing
.
..........................................30
Electrical Connections
.
...................................................16
Electrical Supply
.
...............................................................6
Fault Finding
. ..............................................................
44-53
Gas Safety Regulations
...................................................
4
Gas Supply
.
........................................................................4
Hydraulic Resistance
.
.......................................................7
Initial Lighting
.
.................................................................30
Installation
.
..................................................................12-32
Locating/Levelling the Boiler
.
........................................13
Option Kits
.
........................................................................4
Performance Data
.
.............................................................2
Replacement of Parts .................................................38-43
Servicing
. ....................................................................
33-37
Short List of Parts
. ..........................................................
54
Ventilation
.
.........................................................................3
Water Circulation
.
..............................................................5
Water System Requirements
.
.........................................11
Water Treatment
.
...............................................................6
Wiring Diagrams
.
.............................................................19
Key to symbols
GB =
United Kingdom (Countries of
destination)
IE =
Ireland (Countries of destination)
PMS = Maximum operating pressure of
water
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.
C53 =
A room sealed appliance which is
connected via its separate ducts to
two terminals that may terminate
in zones of different pressure.
NOTE TO THE INSTALLER: COMPLETE THE COMMISSIONING REPORT AND LEAVE
THESE INSTRUCTIONS WITH APPLIANCE
IMAX XTRA EL
320, 395, 470, 545, 620
Natural Gas only
Destination Countries:
GB, IE
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.
Condensate flow from the flue is not permitted back into the appliance.
The maximum allowable temperature of incoming combustion air for C63
type flue is 40ºC.
Terminals for the supply of combustion air and for evacuation of combustion
products shall not be installed on opposite walls of the building.
The maximum allowable re-circulation rate is 10%.