Esse 41 Landscape User guide
Wall-mounted Gas Fires
41 & 48 Landscape
INSTALLATION,USER & SERVICING INSTRUCTIONS
(TO BE LEFT WITH THE CUSTOMER)
UK & IRELAND
UK
IE
Page 2
41L48L-I01-270318
INSTALLATION INSTRUCTIONS
CONTENTS
Important Notes
Page 2
Commissioning the Heater
Page 15
Technical Information
Page 4
Customer Briefing
Page 22
Dimensions
Page 5
Commissioning Checklist
Page 23
Installation
Page 5
Servicing Instructions
Page 24
IMPORTANT NOTES
T
h
i
s
i
s
a h
i
g
h
e
ff
i
c
i
e
n
c
y
,
f
l
u
e
l
e
ss
c
a
t
a
l
y
t
i
c
,
l
i
v
e
f
l
a
m
e
e
ff
e
c
t
heater.
It
p
r
o
v
i
d
e
s
r
a
d
i
a
n
t
and
c
o
n
v
e
c
t
e
d heat,
both
e
ff
i
c
i
e
n
t
l
y
and
s
a
f
e
l
y
u
t
ili
s
i
n
g
the
l
a
t
e
s
t
type of
c
a
t
a
l
y
t
i
c
convector burner
t
e
c
h
n
o
l
o
g
y
. It
i
s
r
e
c
o
mm
e
n
d
e
d
o
n
l
y
as
a
s
e
c
o
n
d
a
r
y
heat
s
o
u
r
c
e.
B
e
f
o
r
e
i
n
s
t
a
ll
a
t
i
o
n,
e
n
s
u
r
e
that the
l
o
c
a
l
d
i
s
t
r
i
b
u
t
i
o
n
c
o
n
d
i
t
i
o
n
s
i
d
e
n
t
i
f
i
c
a
t
i
o
n
o
f
the type
o
f
gas a
n
d
p
r
e
ss
u
r
e
and the
a
d
j
u
s
t
m
e
n
t
o
f
the heater are
c
o
m
p
a
t
i
b
l
e
.
R
e
f
e
r
to the d ata label
, visible when the front is removed (
Figure 3
).
If
the heater
i
s
to be
used for
Propane,
the M8 a
e
r
a
t
i
o
n
screw
s
h
o
u
l
d
be
f
i
tt
e
d
.
If
the heater
i
s
t
o
be used for Butane, or
Butane/Propane
m
i
x
or
N
a
t
u
r
a
l
Gas
t
h
i
s
ae
r
a
t
i
o
n
screw
MUST NOT BE F
I
TT
E
D
(
Figure 10).
This heater has either a
m
a
n
u
a
ll
y
c
o
n
t
r
o
ll
e
d
gas
v
a
l
v
e
w
h
i
c
h
can be
a
d
j
u
s
t
e
d
by the
c
o
n
t
r
o
l
k
n
o
b
on the
f
r
o
n
t
o
f
the
gas
v
a
l
v
e
,
l
o
c
a
t
e
d
on the
l
o
w
e
r
r
i
g
h
t
hand
s
i
d
e
o
f
the heater
b
e
h
i
n
d
the
f
r
o
n
t
p
a
n
e
l
or a remote controlled
valve operated via a handset.
T
h
i
s
heater
i
n
c
o
r
p
o
r
a
t
e
s
a
c
o
m
b
u
s
t
i
o
n
m
o
n
i
t
o
r
i
n
g
system
(ODS).
It
must
not be
a
d
j
u
s
t
e
d
or put
o
u
t
o
f
o
p
e
r
a
t
i
o
n.
If
r
e
p
l
a
c
e
d
then
m
a
n
u
f
a
c
t
u
r
e
r
s
o
r
i
g
i
n
a
l
p
a
r
t
s
must
be
u
s
e
d
.
The heater
i
s
d
e
s
i
g
n
e
d
to
fit
v
a
r
i
o
u
s
types
o
f
s
i
t
u
a
t
i
o
n
s
as
li
s
t
e
d
i
n
the
I
n
s
t
a
ll
a
t
i
o
n
R
e
q
u
i
r
e
m
e
n
t
s
.
This heater must be installed in accordance with these instructions and with the rules in force and
only used in a sufficiently ventilated space. A minimum of 100cm2 purpose provided ventilation is
Page 3
41L48L-I01-270318
required for this appliance. An openable window or equivalent is also required. The room size should
be a minimum of 30m3 (1059ft3) for the 41 Landscape model and a minimum 40m3 (1412ft3) for the
48 Landscape model. This volume may include adjacent spaces but these spaces must not be
separated by a door.
The heater must not be installed in a bedroom, bathroom or any sleeping area.
Additionally for LPG, the heater must not be used in cellars or basements. The heater does not
require a flue system of any type as the catalytic converter cleans the flue products to provide a
complete combustion system.
The heater
must
be
i
n
s
t
a
ll
e
d
by a
competent
p
e
r
s
o
n
i
n
a
cc
o
r
d
a
n
c
e
w
i
t
h
Gas
S
a
f
e
t
y (
I
n
s
t
a
ll
a
t
i
o
n
a
n
d
Use)
R
e
g
u
l
a
t
i
o
n
s
1998 or
r
u
l
e
s
i
n
f
o
r
c
e
.
I
n
p
a
r
t
i
c
u
l
a
r
,
as
the
gas
s
u
pp
l
y
p
i
p
e
may
w
e
ll
be
c
o
n
c
ea
l
e
d
w
i
t
h
i
n
a
w
a
ll
,
a
tt
e
n
t
i
o
n
i
s
drawn to
r
e
g
u
l
a
t
i
o
n
19
‘
E
n
c
l
o
s
e
d
P
i
p
e
s
’
.
It
i
s
s
t
r
o
n
g
l
y
r
e
c
o
mm
e
n
d
e
d
t
h
a
t
a GAS SAFE
r
e
g
i
s
t
e
r
e
d
e
n
g
i
n
ee
r
i
s
used
f
o
r
t
h
i
s
p
u
r
p
o
s
e
,
as
they are the
o
n
l
y
p
e
r
s
o
n
s
approved
by
t
h
e
HSE under the above
r
e
g
u
l
a
t
i
o
n
s
.
On
i
n
i
t
i
a
l
li
g
h
t
up
o
f
a new heater, the
‘
n
e
w
n
e
ss
’
will
burn
off
w
i
t
h
i
n
the
f
i
r
s
t
f
e
w
hours
o
f
o
p
e
r
a
t
i
o
n.
D
u
r
i
n
g
t
h
i
s
p
e
r
i
o
d
some smoke
may be
e
m
i
tt
e
d
f
r
o
m
the
o
u
t
l
e
t
g
r
ill
e
,
t
h
i
s s
h
o
u
l
d
be no
cause
f
o
r
concern.
A
cc
o
r
d
i
n
g
l
y
,
the room
s
h
o
u
l
d
be
w
e
ll
v
e
n
t
il
a
t
e
d
w
i
t
h
a
ll
w
i
n
d
o
w
s
and
d
oo
r
s
open
d
u
r
i
n
g
t
h
i
s
p
e
r
i
o
d
.
All
s
u
r
f
a
c
e
s
except the
c
o
n
t
r
o
l
s
are
c
o
n
s
i
d
e
r
e
d
to be
w
o
r
k
i
n
g
s
u
r
f
a
c
e
s
.
Page 4
41L48L-I01-270318
TECHNICAL INFORMATION
Table 1 41 Landscape Technical Data
GAS
NATURAL GAS
(G20)
PROPANE
(G31)
LPG
Butane (G30)/Propane (G31)
CATEGORY
I2H
I3P
I3B/P (30)
HEAT INPUT (GROSS)
MAX
2.6Kw
2.6kW
2.6kW
HEAT INPUT (GROSS)
MIN
1.7Kw
1.9kW
1.75kW
SUPPLY PRESSURE
20 mbar
37mbar
30mbar
BURNER PRESSURE
HIGH
19.8 mbar
±0.5 mbar
36.4 mbar
±0.5 mbar
27.0 mbar
±1.0 mbar
BURNER PRESSURE
LOW
10.5 mbar
± 0.5 mbar
23.0 mbar
±0.5 mbar
11.5 mbar
±0.5 mbar
INJECTOR SIZE
3/160
7/75
7/75
GAS CONNECTION
8mm O.D. Tube
8mm O.D. Tube
8mm O.D. Tube
GAS CONSUMPTION
(HIGH)
0.23m³/h
0.1m³/h
0.076m³/h
OXYPILOT
SEAGAS NG 441
SEAGAS LPG 451
SEAGAS LPG 451
Table 2 48 Landscape Technical Data
GAS
NATURAL GAS
(G20)
PROPANE
(G31)
LPG
Butane (G30)/Propane (G31)
CATEGORY
I2H
I3P
I3B/P (30)
HEAT INPUT (GROSS)
MAX
3.5kW
3.5kW
3.5kW
HEAT INPUT (GROSS)
MIN
2.3kW
2.3kW
2.3kW
SUPPLY PRESSURE
20 mbar
37 mbar
30 mbar
BURNER PRESSURE
HIGH
19.5 mbar ± 0.5
mbar
36.8 mbar ± 0.5
mbar
29 mbar ± 1.0 mbar
BURNER PRESSURE
LOW
9.2 mbar ± 0.5
mbar
18.4 mbar ± 0.5
mbar
13.1 mbar ± 0.5
mbar
INJECTOR SIZE
7/220
7/100
7/100
GAS CONNECTION
8mm O.D TUBE
8mm O.D TUBE
8mm O.D TUBE
GAS CONSUMPTION
(HIGH)
0.31m3/h
0.13m3/h
0.078m3/h
OXYPILOT
SEAGAS NG 441
SEAGAS LPG 451
SEAGAS LPG 451
Page 5
41L48L-I01-270318
DIMENSIONS
Figure 1 41 & 48 Landscape Firewall Dimensions
INSTALLATION
This heater is designed to be wall mounted. The wall should be reasonably flat and of a
sufficient size to accommodate the heater (see Figure 1). If the appliance is to be sited
near a disused natural draught flue, it is recommended that the old flue should be
partially sealed off to prevent draughts however some ventilation will be required to
prevent condensation.
ROOM SIZING
The room size should be a minimum of 30m3 (e.g. 12’ x 12’ x 7’6) for the Widescreen
41” model and a minimum of 40m3 (e.g. 14’ x 14’ x 7’6) for the Widescreen 48” to allow
adequate circulation of air and ensure the correct operation of the heater. This volume
may include adjacent spaces but these spaces must not be separated by a door.
SITE REQUIREMENTS
Page 6
41L48L-I01-270318
This heater may be installed in any room in a home: however there are exception and
the heater may not be used in bedrooms, bathrooms or shower rooms. Additionally for
LPG, the heater must not be used in cellars or basements.
Installations in living rooms and conservatories are popular, other rooms such as
kitchens, dining rooms and hallways are permitted, providing a suitable gas supply is
available, and the room sizing and ventilation requirements are adhered to.
The heater is designed to be versatile, and as such will operate correctly when exposed
to normal gentle draughts experienced within the home. It is not recommended,
however that the heater be installed in areas where it is likely to be exposed to
persistent strong draught, that may be generated by outside doors, windows or air
vents. It is recommended that the heater should not be installed within 1m of any air
vent.
CLEARANCES TO NON-COMBUSTIBLES
Non-combustible surfaces are defined as brick, metal, marble, concrete etc., and also a
number of man-made materials impervious to flame. If in doubt refer to the material
manufacturer for further information, beforeproceedingwith installation.
Itis recommended that there is at least 400mm (16”) clearance above theoutletgrille.
Minimum clearance
from the bottom of the outer frame to the floor must be 90mm
(3.5”).
Clearance to the sides of the heater
is 50mm (2”), however, clear and easy access to the
controls located on the lower right hand side of the
heater behind the front panel on
the right hand side must be allowed for, and we would therefore
recommend that at
least 100mm (4”) be allowed.
Clearance to the front of the heateris 500mm (2ft). Care
must be taken that no brickwork
or other incombustible material protrudes into the area immediately
around the base
of the heater or area underneath the heater in a way that is likely to affect natural airflow
into or around the heater.
Page 7
41L48L-I01-270318
CLEARANCES TO COMBUSTIBLE MATERIALS
Combustible materials are defined as wood, fabrics, or other materials likely to combust
if exposed to flame. Generally, any material, which is likely to discolour, melt or misshape
when exposed to moderate
heat, should be considered as a combustible material of
surface. Any fire surround or shelf to be used in conjunction with this heater should be
rated at a minimum of 100°C otherwise discolouration or smells may
occur. If in doubt
refer to the shelf manufacturer.
Minimum clearance from the bottom of the outer frame to the floor must be 90mm
(3.5”).
The heater may be mounted directly onto a combustible wall.
Clearance to the sides of the heater is 100mm (4”) but curtains, drapes and other fabrics are
not permitted
within a distance of 500mm (20”) of the heater sides. No such materials
are permitted directly above the
heater regardless of distance.
Clearancetothefront ofthe heateris 1000mm (39in).
The minimum clearance to the ceiling above the top of the outer grille must be at least 1067mm
(42”)
A combustible shelf may be fixed to the wall above the heater, providing that it
complies with the
dimensions given below
Under no circumstances must any electrical device (e.g. Flat Screen T.V.)
be wall mounted above this fire.
The shelf depth may be increased up to a maximum of 457mm (18”) but the height must also
be increased
accordingly. An increase in height of 25mm is required for every 12.5mm of
additional shelf depth. For shelves that are too low, protective devices can be used such
as metal heat deflectors, but it must be assured that the shelf does not reach an
unacceptable temperature before relying on such a solution.
Page 8
41L48L-I01-270318
Table 3 Dimensions for Combustible Shelves
Maximum depth of shelf
Minimum distance from top of
outlet grille to underside of shelf
75mm (3 inches)
305mm (12 inches)
150mm (6 inches)
457mm (18 inches)
457mm (18 inches)
1067mm (42 inches)
As with all heating appliances, any decorations, soft furnishings, and all coverings (i.e.
flock, blown vinyl
and embossed paper) positioned too close to the heater may discolour
or scorch.
VENTILATION
A minimum of 100cm² purposely provided ventilation is required for this heater. An
openable window of equivalent is also required. The requirements of any other flued
appliance operating in the same room or space must be taken into consideration when
assessing ventilation.
Any ventilation fitted must comply with BS 5871 and BS 5440 part 2. Ventilation fitted
under, or within immediate vicinity of the heater must not be used as it may adversely
affect performance of the ODS system.
For Republic of Ireland, see relevant rules in force and I.S.813.
Page 9
41L48L-I01-270318
SECURING THE HEATER TO THE WALL
Select a suitable site for the heater.
Remove the front of the heater by lifting the panel, as shown in Figure 2
Remove the glass frame securing nuts and remove the glass frame complete, by tilting
the base of the frame out and lifting upwards. Store the glass frame and nuts
somewhere safe.
Remove the wall plate (4 x M5 nuts), the burner, and the igniter from the heater body,
see Figure 3
Figure 2 Fitting the Front Panel
Page 10
41L48L-I01-270318
Figure 3 Heater Mounting Points
Mark the position of the four Wall Fixing Points using the wall plate as a template, Figure
4 and Figure 5 for the 41 Landscape Heater and 48 Landscape Heater respectively.
Drill and plug the wall with suitable wall plugs. Secure the wall plate to the wall using
suitable screws ensuring the wall plate is level. Secure the heater body to the wall plate
using the M5 nuts and washers provided.
If fitting using the optional floor stand ensure that the fire is mounted to the wall with
125mm between the bottom of the casing and the floor, see Figure 6.
Page 11
41L48L-I01-270318
Figure 4 Wall Mounting Points for 41 Landscape Heater
Figure 5 Wall Mounting Points for 48 Landscape Heater
Page 12
41L48L-I01-270318
Figure 6 Dimensions for Fitting the Heater with the Optional Floor Stand
GAS CONNECTION
The gas inlet connection is located on the gas valve underneath the heater at the right
hand side.
The gas supply may connect to the heater over the surface of the wall or by
concealed connection below the heater.
Concealed pipes should not be routed through
walls without being protected by sleeving or conduit. No more than 2.5m of 8mm
diameter pipe must be used to avoid unnecessary pressure drops.
An isolation tap should be provided on the gas inlet to the heater.
If a concealed gas connection is to be made, the supply pipe should always be sleeved
throughwalls and
floors using the shortest possible route.
When making the gas connection ensure that the front panel will not foul the pipe or
isolation tap. If the heater is to be operated on propane, the M8 aeration screw should be
fitted. If the heater is to be operated on Butane or Butane/Propane mix this aeration screw
MUST NOT BE FITTED see Figure 10.
Page 13
41L48L-I01-270318
Figure 7 Manual Valve
Figure 8 Remote Valve
Page 14
41L48L-I01-270318
Figure 9 Remote Valve Controls
Figure 10 Aeration Screw Location
Ensure rocker switch is turned
to on ( I ) when fitting the
heater body to the wall plate
Combination control
Page 15
41L48L-I01-270318
FITTING THE VERMICULITE GRANULES
Pour the vermiculite granules into the burner. Fill the burner completely to the top as
shown in Figure 3.
Do not overfill the vermiculite over the top of the burner in the area of the pilot flame.
Replace the frame andsecure using the 2
nuts previous removed.
Under no circumstances should the heater
be operated with the glass
frame removed or the glass damaged or without the vermiculite granules.
COMMISSIONING THE HEATER
MANUAL BURNER
The heater is fitted with a pilot light, which is also an oxygen depletion sensor (O.D.S),
piezo spark, and
flame sensing device. The control is located behind the front panel on
the right hand side of the heater. The pilot light is located at the right hand end of the
burner.
Should the heater be extinguished for any reason wait 3 minutes before re-ignition is
attempted.
To check the outlet pressure, pull the
control valve plastic cover forward and remove it
(Figure 7). Slacken the pressure test point sealing screw and
connect a suitable pressure
gauge to the pressure test point (Figure 7).
LIGHTING THE PILOT
Depress control knob fully. Whilst depressed turn knob slowly anti-clockwise to ‘PILOT’
setting.
A click will be heard and the spark should light the pilot, repeat until pilot is visibly lit. The
operation of the
spark can be viewed on the pilot assembly at the right hand end of the
burner.
Page 16
41L48L-I01-270318
Keep knob depressed at this point for 10 - 15 seconds and release the knob slowly.
Preferably the pilot should
be left to stabilise for approximately 5 minutes before igniting
the burner.
HIGH SETTING
If the pilot is not already lit, light the pilot as described above.
With control knob at ‘PILOT’setting, depress and turn anti-clockwise to the ‘HIGH’
setting and release
the knob. After a few seconds the burner will light on high setting.
Check that the high burner pressure is in accordance with that given in the TECHNICAL
INFORMATION section. The pressure is factory set and should not require adjustment but
if necessary adjust the HIGH
FLAME SCREW (
Figure 7
).
LOW SETTING
If the heater is not already lit on the ‘HIGH’setting, ignite the heater and set to the ‘HIGH’
setting as described above.
Turn the control knob until the ‘LOW’setting is reached.
Check that the LOW burner pressure is in
accordance with that is given in the
TECHNICAL INFORMATION section. The pressure is factory set and should not require
adjustmentbut if necessaryadjust theLOWFLAME SCREW (Figure 7).
TURNING THE HEATER OFF
From any heat setting, depress the control knob fully
and turn clockwise to ‘PILOT’
position.
Disconnect the pressure gauge, tighten the
pressure test point sealing
screw and test for gas
soundness. Replace the control valve plastic cover.
TURNING THE PILOT OFF
From any heat setting or the ‘PILOT’position,
depress the control knob fully and turn
clockwise to ‘OFF’position.
Page 17
41L48L-I01-270318
Figure 11 Manual Burner Control
REMOTE CONTROL BURNER
The heater is fitted with a pilot light, which is also an oxygen depletion sensor (O.D.S),
piezo spark, and
flame sensing device. The control is located behind the front panel on
the right hand side of the heater. The pilot light is located at the right hand end of the
burner.
Should the heater be extinguished for any reason wait 3 minutes before re-ignition is
attempted.
To check pressures, with the outer glass or steel panel removed, slacken the pressure
test points sealing screws and connect a suitable pressure gauge to the pressure test
points (Figure 8).
BATTERY FITMENT
Insert the supplied 9V battery in the handset and the four supplied 1.5V AA batteries in
the receiver as shown in Fig 8A & 8B
Ensure the remote valve is set according to Figure 9 before set up.
PILOT
LOW
HIGH
Page 18
41L48L-I01-270318
BATTERY FITMENT
Insert the supplied 9V battery in the handset and the four supplied 1.5V AA batteries in
the receiver as shown in Figure 12 & Figure 13.
Figure 12 Handset Battery Fitting
Figure 13 Receiver Battery Fitting
Page 19
41L48L-I01-270318
SETTING THE ELECTRONICS CODE
The heater comes with the handset and receiver already paired as part of our in house
quality checks. If the handset does need to be paired, please follow the instructions
below.
Figure 14 Remote Handset
Figure 15 Receiver
A code is selected automatically for all Mertik Maxitrol electronics from among 65000
random codes available. The receiver has to learn the code of the handset.
Press and hold the receivers reset button until you hear two beeps. The first beep is
short and the second beep is long. After the second beep, release the reset button.
Within the subsequent 20 seconds, press the small flame button on the handset until
you hear two additional short beeps confirming the code is set. If you hear one long
beep then this indicates the code learning sequence has failed or the wiring is incorrect.
This is a one-time setting only and is not required after changing the
batteries in the handset or receiver.
Reset button
Small flame button
Page 20
41L48L-I01-270318
When lighting the burner with the remote control, if the ON/OFF switch
is not turned on (fig 6C) the unit will issue one long continuous beep.
HANDSET OPERATION
Figure 16 Handset Operation
LARGE FLAME BUTTON
Press LARGE FLAME
button to increase the
flame.
SMALL FLAME BUTTON
Press SMALL FLAME
button to decrease the
flame. Hold down the
SMALL FLAME button
to go down to the
PILOT setting
OFF BUTTON
Hold the OFF button to
turn off the heater
Press the LARGE
FLAME button and the
OFF button
simultaneously to light
the heater
This manual suits for next models
1
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