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  9. Potterton PROFILE LPG 100e User guide

Potterton PROFILE LPG 100e User guide

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LPG 50e, 60e, 80e & 100e fanned
balanced flue gas fired boilers
THIS APPLIANCE IS FOR USE WITH PROPANE GAS ONLY
Installation and Servicing Instructions
LEAVE THESE INSTRUCTIONS ADJACENT TO THE APPLIANCE
IMPORTANT
This appliance must be installed and serviced by a competent person as
stated in the Gas Safety (Installation and Use) Regulations 1984. Profile
Prima LPG boilers have been designed to comply with the requirements of
BS 5258 Part 11986 and BS 6332 Part 11983. It is important that no
external control devices (e.g. flue dampers, economisers, etc.) be directly
connected to these appliances unless covered by these installation
instructions or otherwise recommended in writing. Any direct connection of
a control device not approved by Potterton could invalidate the normal
warranty.
LIST OF CONTENTS - Page 2
General Page No. 2 Site Requirements Page No. 3
Optional Extras Page No. 2 Technical Data Page No. 6
Accessories Page No. 3 Installation Instructions Page No. 11
Installation Data Page No. 3 Commissioning Page No. 18
Boiler Dimensions Page No. 3 Health and Safety Information Back Page
Control Systems, Pipework and
Wiring Guide Supplied in
User’s Instructions Literature Pack
GENERAL - Page 2
Profile Prima LPG boilers are fully automatically controlled
wall mounted fan powered balanced flue appliances, using a
cast iron heat exchanger and are available in four outputs.
15.1 kw (51,500 Btu/h r), 18.88kw (64,400 Btu/hr), 23.4 kw
(80,000 Btu/hr), 29.3 kw (100,000 Btu/hr).
The boilers which are designed to provide domestic hot
water and/or central heating must be used on INDIRECT
FULLY PUMPED systems only, which may be sealed or
open vented.
The boilers can be supplied with either of the following types
of flue system.
PRIMA LPG 100e MODEL ONLY
1 metre horizontal flue system which provides a maximum
flue length of 955mm (37in).
Vertical flue system which allows the flue to pass through a
flat roof and terminate at a maximum height of 980mm (38in)
measured from the top of boiler case.
PRIMA LPG 50e, 60e, & 80e Models only
Standard horizontal flue system which is suitable for a
wall thickness of 100mm (4in) to 510mm (2Oin).
2 metre horizontal flue system which provides a maximum
flue length of 1955mm (77in).
Vertical flue system which allows the flue to pass through a
flat roof and terminate at a maximum height of 1980mm
(78in) measured from the top of boiler case.
OPTIONAL EXTRAS - Page 2
The following are kits available as optional extras:—
Internal Fitment Kit, which is suitable for a maximum wall
thickness of 51 0mm (20 in.) is to be used where access to
the outside wall is impracticable.
Terminal Guard, to be used when the terminal is fitted less
than 2m above a balcony, above ground or above a flat roof
to which people have access.
Full fitting instructions are provided with each kit.
Pump Cover Kit, located on top of the boiler and is
designed to conceal the pump, and/or any motorised valves
installed above the boiler. (Note: Pump cannot be fitted
above the boiler if the vertical flue kit is used).
Terminal Wall Plate, where necessary can be fitted to the
outside wall face to improve the appearance, after making
good around the terminal.
PART Nos
50e 60e 80e 100e
Standard Flue System 225175 225176 225176 N/A
1 metre Flue System N/A N/A N/A 225289
2 metre Flue System 225178 225179 225179 N/A
Vertical Flue System 225280 225281 225282 225162
Terminal Wall Plate 212306 212280 212280 212280
Terminal Guard 205792 205792 205792 413246
Internal Fitment Kit 225183 225I84 225184 225184
Pump Cover Kit 225181 225181 225132 225182
OPTIONAL EXTRAS - Page 3
The following range of Potterton system controls are also
available and further information will be provided on
request.
Electronic Programmer E.P. 2001, E.P. 3001, E.P.
4001, E.P. 6000.
Programmable Electronic Thermostat PET 1.
ACCESSORIES
Thermostatic Radiator Valve Myson
Electronic Cylinder Thermostat PTT2
Electronic Room Thermostat PRT2
Spring Return Zone Valve PMV2
Spring Return Diverter Valve PMV3
INSTALLATION DATA - Page 3
The installation of the boiler must be in accordance with the
latest relevant requirements of the Gas Safety (Installation
and Use) Regulations 1984, local building regulations, lEE
Wiring Regulations and the Byelaws of the Local Water
Undertaking.
Detailed recommendations are contained in the following
British Standards and Codes of Practice.
B56798, BS5440 Part 1, BS 5482 Part 1
B55440 Part 2 BS5449 Part 1
B55546 B54814 B56891
BUILDING REGULATIONS 1985.
MODEL WATER BYELAWS.
BRITISH GAS PUBLICATION DM2.
GAS SAFETY (INSTALLATION AND USE) REGULATIONS
1984.
BUILDING STANDARDS (SCOTLAND)
REGULATIONS.
BOILER DIMENSIONS - Page 3
FIG. 1
Boiler 50e 60e 80e 100e
Dimension ‘A’ 350 350 425 425
(MM) ‘B’ 110 110 150 150
‘C’ 103 103 143 143
‘D’ 90 107 107 107
Flow/Return 22mm 22mm 28mm 28mm
Connections Copper Copper Copper Copper
*NOTE
IF PIPEWORK IS TO BE RUN DOWN THE BACK OF THE BOILER
THE NORMAL CLEARANCE OF 25mm BETWEEN THE REAR OF
THE BOILER AND WALL CAN BE INCREASED TO 35mm IF DESIRED
BY INVERTINGTHE BOILER MOUNTING PLATE DURING
INSTALLATION
Dimensions in brackets apply when the mounting plate is inverted).
SITE REQUIREMENTS - Page 3
These boilers are not suitable for external installation and
should not be fitted directly above a cooking appliance. The
appliance may installed in any room except a cellar or
basement. Particular attention is drawn to the requirements
of the current I.E.E. Wiring Regulations and in Scotland, the
electrical provisions of the Building Standards applicable in
Scotland with respect to the installation of the appliance in a
room containing a bath or shower.
Where a room-sealed appliance is installed in a room
containing a bath or shower, any electrical switch or
appliance control, utilising mains electricity should be so
situated that it cannot be touched by a person using the bath
or shower.
SITE REQUIREMENTS - Page 4
FIG. 2 GENERAL ARRANGEMENT
SITE REQUIREMENTS - Page 5
Where the installation of the boiler will be in an unusual
location, special procedures may be necessary and BS 6798
1987 gives detailed guidance on this aspect.
Ensure that the gas supply pipe and meter if fitted are
installed in accordance with BS5482 Part 1. Check that they
are large enough for this appliance and any others that may
be run off the same supply. If in doubt seek advice from the
Propane gas supplier.
Boiler Mounting Surface
The boiler must be mounted on a flat wall, which may be of
combustible material and must be sufficiently robust to take
the weight of the boiler. The requirements of the local
authorities and the Building Regulations must be adhered to.
IMPORTANT NOTICE:
TIMBER FRAMED HOUSES
If the appliance is to be fitted in a timber framed building,
it should be fitted in accordance ‘with British Gas
Publication DM2 ‘Guide for Gas Installations in Timber
Framed Housing’.
Clearances Around the Boiler
The following minimum clearances must be maintained after
installation, for correct operation and servicing of the boiler:
61 0mm (2 ft) at the front of the boiler
5mm (0.2 in) each side of the boiler
50mm (2 in) at the top (measured from the top of the boiler
case), except where the optional extra pump cover is to be
fitted, when 178mm (7 in) should be allowed.
100mm (4 in) at the bottom of the boiler.
Additional clearances to these are required during
installation for lifting the boiler and 127mm (5 in) is required
at the top of the boiler for access to the pipe connections.
Ventilation
If the boiler is to be installed in a confined space such as a
cupboard, the space will need ventilating. Openings must be
provided at the top and bottom of the cupboard each of
which should have a free area as shown in TABLE 1. Further
details for installation of a boiler within a compartment are
given in BS 6798 1987.
TABLE 1
PROFILE PRIMA AIR VENT AREAS
in² cm²
50e 27 174
60e 33 213
80e 43 277
100e 54 349
If the openings draw air from outside the building the free
areas may be halved. Refer to BS 5440 Part 2 1976 for
further guidance.
Balanced Flue Terminal and Ducting
The fresh air inlet and flue ducts can be run from either the
left, right, rear or top of the boiler to a miniature terminal on
the outside of the building.
The minimum spacings from the terminal to obstructions and
ventilation openings are shown in FIG. 3. For information
appertaining to horizontal flue lengths reference should be
made to FIG. 4.
If a terminal is fitted less than 2m above a balcony, above
ground or above a flat roof to which people have access
then a suitable terminal guard should be fitted. (P.l.L. No.
205792).
Refer to B55440 Part 1 1978 for further guidance.
INFORMATION RELATING TO VERTICAL FLUING IS
PROVIDED IN THE PACK CONTAINING THE VERTICAL
FLUE SYSTEM.
NOTE
Where a flue terminal is fitted less than 1000mm from a
plastic or painted gutter or 500mm from painted eaves, an
aluminium shield of 1000mm length should befitted to
underside of gutter or eaves.
Any car port or other add-on extension should consist of a
roof or a roof and one other wall. If it consists of a roof and
two other walls — the installation shall be treated as suspect
and further advice sought.
FIG. 3 THE SITING OF BALANCED
FLUE TERMINALS
POSITION MINIMUM DISTANCE
A. DIRECTLY BELOW AN OPENABLE WINDOW, AIR
VENT, OR ANY OTHER VENTILATION OPENING 300
B. BELOW GUTTER, DRAIN/SOIL PIPE 75
C. BELOW EAVES 200
D. BELOW BALCONY OR CAR PORT ROOF 200
E. FROM VERTICAL DRAIN PIPES AND SOIL PIPES 75
F. FROM INTERNAL OR EXTERNAL CORNERS 300
G. ABOVE ADJACENT GROUND OR BALCONY LEVEL 300
H. FROM A SURFACE FACING THE TERMINAL 600
I. FACING TERMINALS 1,200
J. FROM OPENING (DOOR/WINDOW) IN CARPORT
INTO DWELLING 1,200
K. VERTICALLY FROM A TERMINAL ON THE
SAME WALL 1,500
L. HORIZONTALLY FROM A TERMINAL ON THE
SAME WALL 300
M. ADJACENT TO OPENING 150
SITE REQUIREMENTS - Page 6
FIG. 4 FLUE SETTINGS
MAXIMUM
LENGTH ‘X’
1 METRE FLUE
SYSTEM 955mm
100e MODEL ONLY (37in)
STANDARD FLUE
SYSTEM
50e, 60e, & 80e 510mm
MODELS ONLY (20in)
2 METRE FLUE
SYSTEM
50e, 60e, & 80e 1955mm
MODELS ONLY (77in)
ELECTRICITY SUPPLY
A 240 volts— 50Hz, single phase electricity supply fused to
3 amperes, must be provided in accordance with the latest
edition of the I.E.E. Wiring Regulations and any other local
regulations that may apply. The current rating of the wiring to
the boiler must exceed 3 amperes and have a cross
sectional area of at least0.75mm2 in accordance with BS
6500. Table 16.The supply to the boiler and its associated
equipment
should be controlled by a 3A fused double pole switch
(having at least 3mm contact separation in both poles)so
that complete isolation from the supply can be achieved to
enable servicing work to be carried out in safety.
TECHNICAL DATA - Page 6
Maximum working head 30.5m (100ft)
Minimum working head 150mm (6in)
Gas supply pressure 20 mbar
Maximum flow temperature 82°C
Electricity supply 240v—5OHz fused at 3A
Internal Fuse Type T1A
Power Consumption 80 Watts (excluding pump)
Gas supply connection Rc. ½ (½in BSP female)
50e & 60e Models 80e & 100e Models
Appliance lift weight (mm) 26.0kg (57.3lbs) 33.5kg (73.871bs)
Appliance weight installed 37.1kg (81 .8Ibs) 46.4kg (102.3lbs)
Water content 2.0 litre (0.44 gal) 2.4 litre (0.53 gal)
Flow/Return connections 22m copper 28mm copper
TECHNICAL DATA - Page 7
BOILER
SIZE INJECTOR
SIZE GAS RATE at
95.0 MJ/m3
(2500 Btu/W)
m3/h (W/h)
INPUT
kW (Btu/h) OUTPUT
kW (Btu/h) BURNER
PRESSURE
mbar (in wg)
SUPPLY
PRESSURE
mbar (in wg)
50e 2.2mm 0.73 (25.8) 18.88 (64,400) 15.1 (51,500) 35.7 (14.3) 37 (14.8)
60e 2.4mm 0.89 (31.4) 23.0 (78,500) 18.4 (62,800) 35.7 (14.3) 37 (14.8)
80e 2.7mm 1.13 (40.0) 29.31 (100,000) 23.45 (80,000) 34.1 (13.7) 37 (14.8)
100e 3.0mm 1.42 (50.0) 36.64 (125,000) 29.3 (100,000) 33.2 (13.3) 37 (14.8)
CIRCULATION PUMP SELECTION
The resistance through the heat exchanger when operating
with a water flow rate producing an 11 0C temperature rise
at maximum boiler output are shown in TABLE 2. If other
controls, such as three-position valves are used in the
system, the resistance through them, quoted in their
manufacturer’s literature must be taken into account The
pump may be fitted on either the flow or return and MUST be
wired directly to the boiler terminal block, see FIG. 23. It
must be fitted with two isolating valves which are positioned
as close to the pump as possible. Closing of any valve must
always leave the open vent unobstructed.
TABLE 2
FIG. 5 PRESSURE LOSS ACROSS BOILER
TECHNICAL DATA - Page 8
The System
The boiler must be used on INDIRECT FULLY PUMPED
systems only, which may be sealed or open vented.
The system should be designed so that the maximum
static head does not exceed 30.5m (100ft) and a
minimum of 150mm (6in). See FIG 6.
On all systems the pump should be wired to the boiler
terminal block, it will then be controlled by the pump over-run
thermostat. This will ensure that the pump will continue to
run after boiler shut down if the water temperature is high,
thus preventing nuisance operation of the overheat
thermostat.
It is important that where electrically operated zone valves
are used the boiler is wired so it does not cycle when the
zone valves are closed. Also, systems fitted with controls
that close both hot water and central heating circuits while
the boiler is still hot, must be fitted with a by-pass circuit to
dissipate the residual heat from within the boiler.
If a three port diverter valve is used as shown in FIGS. 6,7 a
by-pass is not necessary since one circuit is always open.
Where a pair of two port valves are used, a by-pass is
necessary. The total length of the by-pass circuit taken from
the boiler connections should be greater than 4 metres of
22mm pipe. It should be fitted with a lockshield valve and be
adjusted to maintain a minimum flow through the boiler of
4.5 litres/mm (1 gal/mm) see FIGS 6, 7.
Systems fitted with controls which allow the boiler to operate
when both the hot water and central heating circuits are
closed i.e. mechanically operated thermostatic control
valves, must be fitted with a by-pass circuit capable of:-
1. Dissipating a minimum of 1 kW (3400 Btu/h).
2. Maintaining a minimum water flow through the boiler of
9 litres/mm (2 gal/mm).
A suggested method of meeting these requirements by using
a bathroom radiator fitted with two lockshield valves is
shown in FIGS. 6, 7.
Additional system information can be found in the Control
Systems, Pipework and Wiring Guide.
Drain off taps should be fitted in the pipework close to the
boiler and in the low points of the system.
NOTE
Although the system can be emptied using the drain off taps
installed in the pipework around the system, to empty the
boiler it is necessary to remove the drain off cap positioned
within the boiler case. See FIG. 2.
SEALED SYSTEMS
Installation
The installation must comply with the requirements of
BS 6798 1987 and BS 5449 Part 1. The B.G. publication
“British Gas Specification for Domestic Wet Central
Heating Systems” should also be consulted.
Safety Valve
A non-adjustable spring-loaded safety valve, preset to
operate at 3 bar (451bf/in2) shall be used. It must comply
with BS 6759 Part 1 and include a manual testing device. It
shall be positioned in the flow pipe either horizontally or
vertically upwards and close to the boiler. No shut-off valves
are to be placed between the boiler and the safety valve.
The valve should be installed into a discharge pipe which
permits the safe discharge of steam and hot water such that
no hazard to persons or damage to electrical components is
caused.
Pressure Gauge
A pressure gauge incorporating a fill pressure indicator,
covering the range 0-4 bar (6Olbf/in2) shall be fitted to the
system. It should be connected to the system, preferably at
the same point as the expansion vessel. Its location should
be visible from the filling point.
Expansion Vessel
A diaphragm type expansion vessel to BS4814 Part 1 shall
be fitted close to the inlet side of the pump. The connecting
pipework should not be less than 15mm (1/2in nominal).
Pipework connecting the expansion vessel should not
incorporate valves of any sort. Methods of supporting the
vessel are supplied by the manufacturer. The nitrogen or air
charge pressure of the expansion vessel shall not be less
than the hydrostatic head (height of the top point of the
system above the expansion vessel). To size the expansion
vessel it is first necessary to calculate the volume of water in
the system in litres. The following volumes may be used as a
conservative guide to calculating the system volume.
Boiler Heat Exchanger: 6.5 litres
Small Bore Pipework: 1 litre per kW of
system output
Micro Bore Pipework: 7 litres
Steel Panel Radiators: 8 litres per kW of
system output
Low Water Capacity Radiators: 2 litres per kW of
system output
Hot water Cylinder: 2 litres
TECHNICAL DATA - Page 9
If the system is extended, the expansion vessel volume may
have to be increased unless previous provision has been
made for the extension. Where a vessel of the calculated
size is not available, the next available larger size should be
used.
The boiler flow temperature is controlled at approximately
82°C.
The vessel size can now be determined from the following
table where V=System volume in litres
Vessel Charge Pressure(bar) 0.5 1.0
Initial System Pressure (bar) 1.0 1.0
Expansion Vessel Volume (litres) V x 0.11 V x 0.087
Cylinder
The hot water cylinder must be an indirect coil type or a
direct cylinder fitted with an immersion calorifier suitable for
operating at a gauge pressure of 0.3 bar (5lbf/in2) in excess
of safety valve setting. Single feed indirect cylinders are not
suitable for sealed systems.
Method of Make-Up
Provision shall be made for replacing water loss from the
system either:—
i) from a make-up vessel or tank mounted in a position
higher than the top point of the system, and connected
through a non-return valve to the system on the return
side of hot water cylinder or the return side of all heat
emitters.
or
ii) where access to a make-up vessel would be difficult by
using the mains top up method or a remote automatic
pressurisation and make-up unit as illustrated in FIG. 7
METHODS 1 and 2.
Mains Connection
There shall be no connection to the mains water supply or to
the water storage tank which supplies domestic water even
through a non-return valve, without the approval of the local
Water Authority.
Filling Point
The system shall be fitted with a filling point at low level
which incorporates a stop valve to BS1 010 and a double
check valve (approved by the National Water Council) to be
fitted in this order from the system mains, Refer to FIG. 7.
Method 1.
FIG. 6 OPEN VENTED FULLY PUMPED SYSTEM
FITTED WITH A COMBINED FEED AND VENT
TECHNICAL DATA - Page 10
FIG 7. FULLY PUMPED SEALED SYSTEM