Exodraft RSHG Manuel utilisateur
GB
RSHG
2
3000126-2011-06-09
1. GB - Product information...............................................................................................3
1.1 Construction and design.........................................................................................3
1.2 Installation instructions..........................................................................................4
1.3 Wiring .......................................................................................................................7
1.4 Commissioning of the chimney fan........................................................................7
1.5 Service and cleaning ...............................................................................................8
1.6 Technical specications...........................................................................................8
1.7 Warranty...................................................................................................................8
Declaration of Conformity...................................................................................................11
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1. GB - Product information
The exodraft Chimney Fan type RSHG is used as part of the fail-safe ue system for open
ued gas appliances, such as stoves and domestic boliers. The RSHG gives a horisontal
discharge of the ue gases.
!
•All installations must be carried out by competent personnel in
accordance with national laws and regulations
Warning!
•Avoid chimney res - ensure that the chimney has been swept before
mounting the fan.
•The chimney fan must always be operating when the replace is in use.
•Please always read the installation instructions for the exodraft control
unit, before installation of the chimney fan.
1.1 Construction and design
Construction
The body and casing are manufactured in cast aluminium, tted with a stainless steel vane
and non-moving airpres-sure sensors linked to a pressure dierential switch (PDS), ensu-
ring correct airow when the re is used. The chimney fan can be opened for service and
cleaning purposes.
Main parts
The RSHG has the following main components
a Motor housing
b Bottom section
c Motor
d Cooling plates
e Vane
f Safety hinge
g Safety net
h Armoured motor cable
i Mineral wool mat
j Safety wire with bolt and rawlplug
k Location brackets, bolts and nuts
l Pressure dierential switch
m Non-moving airpressure sensors
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1.2 Installation instructions
Before tting onto a chimney
If.... then...
the fan is to be mounted onto a brick chimney the chimney must have location brackets - see below
the fan is to be mounted onto a steel chimney a ange is required (supplied as an extra ) -see below
it is an RSHG014
remove the transport safety bolt on the hinges
before mounting.
Before tting onto the brickwork of a chimney
Step Action
1 Measure the inside diameter of the chimney and cut
the size of the hole in the mineral wool mat accor-
dingly.
Note that there must always be a minimum of 20
mm of mat surface at any point around the circum-
ference of the hole.
NB: The side of the mineral wool mat covered in
aluminium foil is to be placed uppermost, i.e. facing
the fan.
2 Mount and fasten the location brackets in the un-
derside of the base plate by means of the bolts and
nuts supplied.
Please notice that the bolt is to be inserted from
beneath.
3 Adjust the distance between the location brackets
to t the inside diameter of the chimney, and then
tighten the nuts. Note that there should be a 2-4
mm gap between the brackets and the chimney so
as to avoid transmitting vibrations from the fan to
the chimney.
A and B measurements - please refer to step 1.
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Before tting onto a steel chimney
Step Action
1 A ange (C) is used, tted so that the spigot end sits
inside the chimney (D).
A
B
C
D
2 Place the mineral wool mat (A) on the ange (C) with
aluminium foil facing upwards and cut a hole in the
mineral wool mat, the hole being the same diameter as
the ange hole.
3Cut the corners of the mineral wool mat, so there is room
to t the vibration dampers (B).
If a temperature sensor is to be installed with the
chimney fan, cut the aluminium foil on the mineral wool
mat to make room for the sensor; this also ensures that
the mat sits level on the chimney.
4 Fit the ange to the chimney fan, with the use of
vibration dampers supplied with the ange.
5 The fan can now be tted onto the chimney.
Fitting the chimney fan onto the chimney
Step Action
1 The chimney fan is now ready for mounting. Place the
glass bre mat on top of the chimney, the aluminium foil
facing upwards, and place the chimney fan on top of the
mat.
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Step Action
2 Mount the safety wire in the chimney (1). Use the
supplied screw and rawl-plug in brick chimney and the
self-cutting screw in steel chimney. Then mount the wire
through the hole in the base plate and into the wire lock.
Tighten the safety wire slightly and tighten the wire lock
(2), so that the chimney fan is secured when opened for
service and cleaning purposes.
The isolation switch should be tted onto the side of the
chimney (3), so it is easily accessible when servicing the
fan. The armoured cable should be connected into the
underside of the isolator and up into the switch via the
coupling.
3 Before starting up, make sure that:
•the nuts in the location brackets are tightened (4)
•the chimney fan is closed and the screw
tightened (5)
•the safety wire is clamped to the chimney (6)
•the safety wire and the wire lock are tightened (7)
•the grommet on the armoured cable is fastened (8)
•the end-user is aware of the fact that the chimney fan
must always be operating when the replace/boiler is
in use
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1.3 Wiring
Fan and motor specications are provided on the fan’s type plate. All the single-phased
models are adjustable.
Wires are to be connected as per the wiring diagram. For further details, please see guideli-
nes for the exodraft control units. All exodraft fans require extra safeguards in accordance
with power current regulations.
Any lightning conductor connected to the fan must respect current applicable legislation.
exodraft motor Grundfos motor
Project:
Material:
Date:
Rev.:
Title:
Rev. No.: Ref.:
Format: A3
Weight:
Approved:
Draw. No.:
* Control measurement
Replaces:
Grundfos motor
Connection diagram
27-11-2009
100238
PMN
Unless otherwise specified tolerances are after
96780832
22-12-2009 A
87654321
AUX
MAIN
t°
P
BN
BK
BU
4
5
3
1
2
1
2
3
4
NO
NC
C
N
L1 5
YEGN
POWER SUPPLY
1 x 230V ~ 50Hz
6 x 0,75
BK
BN
BU
3 x 0,75
YEGN
Varenumre
EXHAUSTO GRUNDFOS FAN
1250434 87104372 RHG160-41
RSHG012-41
1250467 87104373 RSG200-41
1250203 87104374 RSHG014-41
1250181 87104375 RSVG200-41
Isolation switch
In accordance with the provisions of the EU Machinery Directive* a chimney fan
must always have an isolation switch tted. The isolation switch must comply with national
wiring standards.
The isolation switch must be ordered separately, as it is not part of the standard exodraft
chimney fan delivery.
*Please refer to Machine Directive (2006/42/EF/-EEC/-EWG/-CEE) - Appendix 1 item 1.6.3 “Separation of the sources
of energy.
1.4 Commissioning of the chimney fan
The chimney draught must be checked when
commissioning the fan. The pressure dierential switch
(PDS) might need adjusting during commissioning. The
PDS must be set so that the fail-safe system will cut out
when the volume of ue gases falls below a set level.
During such a test, all windows and doors must be
closed and any ventilation fans switched on. Please refer
to the relevant exodraft Gas Fan Controller Installation
Instructions for guidance.
As illustrated, remove the top cover and adjust the (PDS)
to the required value.
PDS
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1.5 Service and cleaning
Warning!
!
•The ow sensors must not be bent or moved, as this might aect their perfor-
mance.
The motor has special ball bearings that are sealed, lifetime lubricated and maintenance-
free. If replacement of the bearings is required, this should be carried out by qualied
professionals.
Inspection and
cleaning
The fan should be checked and cleaned as required (at least once a year) :
Step Action
1 Use the isolation switch to switch o the fan. Wait
until the fan stops rotating.
A
2 Loosen the screw (A) and open the top section of
the fan so that it hangs on its hinges and the safety
wire.
3 Remove any deposits on the vane and the pressure
sensors. Test the fail-safe system and check
whether it is damaged in any way.
4 Check the path taken by the smoke through
the top and bottom sections of the fan for soot
deposits, and clean where necessary with a scraper
or brush.
5 When the fan is open, it is also possible to sweep
the chimney.
Regarding installations in UK:
Gas appliances should be checked for safety once a year by a CORGI registered installer. De-
tails of local installers can be obtained by ringing CORGI on 0870 401 2300 or by accessing
the website at www.trustcorgi.com.
1.6 Technical specications
The sound level is below 67 dB at a distance greater than one metre away from the RSHG
fan when it is correctly tted. Further information is available in the catalogue.
The standard version of the RSHG fan is designed to operate with a maximum ue gas
temperature of 250°C. At higher temperatures, though maximum 300 °C, the mineral wool
mat should be removed and replaced with optional adjusting screws (type RSD) or vibration
dampers (type SVD.-RS) at the ange. See special guidelines for these parts.
1.7 Warranty
exodraft provides a two-year factory warranty on its chimney fans, valid from invoice date.
exodraft fans must be installed by competent personnel.
exodraft reserves the right to introduce changes to these guidelines without prior notice.
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