Bosch DANESMOOR UTILITY 32-50 Instruction Manual Page 10
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OIL SUPPLY
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR UTILITY 32/50 & 50/708 716
109 711B 07.2010
10
PRE -
INSTALLATION
OIL SUPPLY
OIL SUPPLY :
• This appliance is suitable for kerosene (28
second oil) only, no other fuel must be used.
• Plastic or steel tanks should be installed to
BS 5410. A steel tank should conform to
BS 799: part 5 and have a slope of 1 in 24
away from the outlet valve with a sludge cock
at its lower end.
• Do not use galvanised steel tanks or
pipework for the oil supply system.
• Do not use soldered joints on the oil
supply pipework.
a) Single pipe gravity feed system:
The oil storage tank (A) must be positioned so
that the oil level does not exceed 4 metres above
the level of the burner oil pump (J) and in addi-
tion the oil level must be at least 300mm above
the oil pump (J). Where the maximum oil level in
the oil storage tank exceeds 4 metres, a head
breaking device must be installed between the
tank (A) and the burner oil pump (J).
b) Double pipe sub-gravity feed system:
Maximum suction height 3.5 metres. Non-return
valves must be fitted to the inlet and return oil line
between the oil pump (J) and oil storage tank (A).
c) Single pipe suction lift with de-aerator
Maximum suction height 3.5 metres. The oil
tank (A) must be positioned below the oil pump
(J). Create an inlet and return loop between the
de-aerator (M) and oil pump (J).
A non-return valve must be incorporated within
the de-aerator or fitted to the oil line between
the oil storage tank (A) and the de-aerator (M).
A top feed oil tank fitted with a de-aerator
using an internal non-return valve should have
any non-return valves fitted in the base of the
tank to the suction line removed to assist
purging air from the oil line.
Pipework
Use copper pipe of the correct diameter
according to the information shown opposite.
Use flexible hoses to connect to the oil pump (J).
Lay the oil supply pipe (H) as straight and
level as possible to avoid air pockets and
unnecessary friction losses. Route away
from the boiler access door or other hot
surfaces.
Install a manual isolating valve (B) to the oil
supply pipe (H), as close to the oil storage
tank (A) as possible.
Fit an oil strainer and water separator (C) to
the oil supply pipe, near the oil storage tank.
Fit an additional oil filter (N, 16μm max
filtration size) close to the boiler, but not
inside the boiler casing.
Fit a fire valve in accordance with BS 5410.
The fire valve (D) should be fitted externally
to the building with the fire valve sensor (F)
located within the appliance case.
A fire valve with a shut off temperature of
85°C or higher must be fitted to avoid
the possibility of nuisance shut offs.
A capillary type valve provides a neat and
simple installation. Alternatively, a fusible
link or electrical system may be used.
Under no circumstances should a
combination isolating/fire valve be used
as the sole fire protection device.
A
F
BN
GJ
4m max.
K
a)
H
300mm
min.
B DB C
MAXIMUM PIPE RUN FOR SINGLE PIPE GRAVITY FEED SYSTEM
B
A
DB
C
E
K
3.5m max.
L
L
b)
H
F
G
B
150mm
MAXIMUM PIPE RUN FOR DOUBLE PIPE SUB-GRAVITY FEED SYSTEM
N
J
B
A
M
B
F
C
G
J
E
D
c)
MAXIMUM PIPE RUN FOR SINGLE PIPE SUCTION LIFT WITH DE-AERATOR
H
FUEL FLOW RATE
FUEL FLOW RATE
K
E
3.5m max.
A - Oil storage tank.
B - Isolating valve.
C - Oil strainer & water separator.
D - Fire valve to BS 5410.
E - External wall.
F - Fire valve sensor.
G - Oil burner.
H - Oil supply pipe.
J - Oil pump.
K - Full base (plastic tanks).
L - Non-return valve.
M - De-aerator.
N - Oil filter (16μm max filtration size)
NOTE: All dimensions are in metres unless stated otherwise.
The maximum pipe run figures are based on using copper pipe with an inside diameter of
2mm less than the Ø.
HEAD 10mmØ 12mmØ
0.5 12 30
1.0 25 69
1.5 37 91
2.0 49 100
HEAD 10mmØ 12mmØ
2.5 62 100
3.0 74 100
3.5 87 100
4.0 99 100
HEAD 10mmØ 12mmØ
050 100
0.5 44 100
1.0 38 95
1.5 32 80
HEAD 10mmØ 12mmØ
2.0 26 66
2.5 20 50
3.0 14 37
3.5 8 22
HEAD 2.5kg/h 5kg/h 10kg/h 10kg/h
8mmØ 8mmØ 8mmØ 10mmØ
0 100 55 26 100
0.5 95 45 23 100
1.0 80 40 20 90
1.5 70 35 17 75
HEAD 2.5kg/h 5kg/h 10kg/h 10kg/h
8mmØ 8mmØ 8mmØ 10mmØ
2.0 60 30 14 65
2.5 45 25 11 50
3.0 35 15 8 35
3.5 25 10 5 20
The table and illustration above is a guide only and does not in any way override the
de-aerator manufacturers instructions.
8 716 109 711 b 07.10 14/7/10 09:59 Page 10
- GREENSTAR UTILITY 1
- 32/50 & 50/70 1
- INSTALLATION & 2
- SERVICING INSTRUCTIONS 2
- CONTENTS 3
- 8 716 109 711B 07.2010 4
- Check List 5
- TECHNICAL DATA 6
- LAYOUT & COMPONENTS 7
- CLEANING PRIMARY SYSTEMS 8
- MAINS SUPPLY 9
- OIL SUPPLY 10
- WATER SYSTEMS & PIPEWORK 11
- WATER SYSTEMS & PIPEWORK 12
- CONDENSATE & 13
- PRESSURE RELIEF PIPEWORK 13
- BOILER LOCATION & 14
- CLEARANCES 14
- FLUE TERMINAL POSITIONS 16
- CONVENTIONAL FLUE 17
- ROOM SEALED FLUE OPTIONS 18
- UNPACKING THE BOILER 19
- PIPEWORK POSITIONS & 20
- FLUE OPENING 20
- BOILER INSTALLATION 21
- FLUE INSTALLATION 22
- COMBUSTION CHAMBER 23
- PIPEWORK CONNECTIONS 24
- OIL BURNER & PUMP 25
- RIELLO RDB BURNERS 25
- BENTONE STERLING BURNERS 26
- REFITTING COMPONENTS 27
- ELECTRICS 28
- RIELLO CONTROL BOX 29
- PRE-COMMISSIONING CHECKS 31
- APPLIANCE 31
- FILLING THE SYSTEM 32
- STARTING THE APPLIANCE 33
- BENTONE STIRLING BURNERS 35
- WATER TREATMENT 37
- FINISHING COMMISSIONING 38
- INSPECTION AND SERVICE 39
- SHORT PARTS LIST 44
- FAULT FINDING 46
- FAULT FINDING LOGIC FOR 48
- 535 SE/LD RDB CONTROL BOX 48
- SATRONIC CONTROL BOX 49
- SERVICE INTERVAL RECORD 50
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