Potterton Osprey 2 CFL 125 Guida utente

Osprey 2 CFL

125 - 150 - 180 - 220

Gas Fired Floor Standing Boiler

Installation and

Servicing Instructions

Please leave these instructions with the user

Natural Gas

Potterton Osprey 2 CFL 125

G.C.No41 590 54

Potterton Osprey 2 CFL 150

G.C.No41 590 55

Potterton Osprey 2 CFL 180

G.C.No41 590 56

Potterton Osprey 2 CFL 220

G.C.No41 590 57

The boiler meets the requirements of Statutory

Instrument “ The Boiler (Efficiency) Regulations

1993 No3083” and is deemed to meet the

requirements of Directive 92/42/EEC on the energy

efficiency requirements for new hot water boilers

fired with liquid or gaseous fuels:-

Type test for purpose of Regulation 5 certified by:

Notified Body 0049.

Product/Production certified by:

Notified Body 0049.

For GB/IE only.

1.0 Introduction 4

2.0 General Layout 5

3.0 Technical Data 6

4.0 Dimensions 7

5.0 System Details 8

6.0 Site Requirements 10

7.0 Installation 13

8.0 Commissioning the Boiler 15

9.0 Servicing the Boiler 17

10.0 Changing Components 19

11.0 Illustrated Wiring Diagram 23

12.0 Fault Finding 24

13.0 Short Parts List 28

Section Page

Contents

Potterton declare that no substances harmful to

health are contained in the appliance or used

during appliance manufacture.

1.1 Description

1. The Potterton Osprey 2 CFL is a fully automatic

gas fired floor standing conventionally flued boiler

with a cast iron heat exchanger.

2. The boiler is designed for use with fully pumped

open vented or sealed water systems with an

indirect hot water cylinder.

3. The boiler is available in outputs of 35.0, 43.0,

52.8 and 64.5kW

4. It is designed for use on Natural Gas (G20).

5. The boiler data badge is positioned on the boiler

inner front panel.

6. The boiler is intended to be installed in

residential / commercial / light industrial E.M.C.

environments on a governed meter supply only.

7. All systems must be thoroughly flushed and

treated with inhibitor (see section 6.2).

1.2 Installation

1. The appliance is suitable for installation only in

G.B. and I.E. and should be installed in accordance

with the rules in force. For Ireland install in

accordance with I.S.813 “Installation of Gas

Appliances”. The installation must be carried out by

a CORGI Registered Installer or other competent

person and be in accordance with the relevant

requirements of current Gas Safety (Installation

and Use) Regulations, the Building Regulations

(Scotland) (Consolidation), the Local Building

Regulations, the Current I.E.E. Wiring Regulations

and the bye laws of the Local Water Undertaking.

Where no specific instructions are given, reference

should be made to the relevant BRITISH

STANDARD CODES OF PRACTICE.

1.0 Introduction

“Benchmark” Log Book

As part of the industry-wide “Benchmark”initiative all Baxi boilers now

include an Installation, Commissioning and Service Record Log Book.

Please read the Log Book carefully and complete all sections relevant to

the appliance and installation. These include sections on the type of

controls employed, flushing the system, burner operating pressure etc.

The details of the Log Book will be required in the event of any warranty

work. Also, there is a section to be completed at each subsequent regular

service visit. The Log Book must be left with the user.

Fig. 1

NOTE: This appliance must be installed in

accordance with the manufacturer’s instructions

and the regulations in force. Read the instructions

fully before installing or using the appliance.

Inner Front Panel

Data Badge

2.0 General Layout

2.1 Layout

1. Flue Spigot

2. Draught Diverter

3. Cable Clamp

4. Flue Safety Thermostat

5. Flow Connection

6. Return Connection

7. Burner

8. Gas Inlet Connection

9. Burner Ignition Control

10. Boiler Drain and Cap

11. Gas Valve

12. Burner Manifold

13. Pilot Feed Pipe

14. Pressure Test Point

15. Pilot

16. Overheat Thermostat

17. Boiler Thermostat

18. Inner Front Panel

19. Control Panel

20. Cleaning Brush

21. Heat Exchanger

22. Flue Hood

23. Boiler Safety Overheat Neon

24. Flame Failure Neon

25. Burner On Neon

26. Power On Neon

27. Boiler Safety Overheat Reset

28. Flame Failure Reset

29. On/Off Button

30. Temperature Control

RESET ON / OFF

Osprey 2 RESET

Fig. 2

27 30

2524

28 29

Fig. 3

3.0 Technical Data

Outercase Dimensions

Casing Height - 850mm

Casing Width (125) - 600mm

Casing Width (150) - 695mm

Casing Width (180) - 790mm

Casing Width (220) - 885mm

Casing Depth (125/150) - 600mm

Casing Depth (180/220) - 650mm

Clearances

LH Side 150mm Min

RH Side 150mm Min

Top 700mm Min

Front 700mm Min

Rear 200mm Min

Weights kg

125 140

150 170

180 200

220 230

Connections

Gas Supply - 22mm compression

Flow - 11/4”steel pipe, taper thread

Return - 11/4”steel pipe, taper thread

Recommended System

Temperature Drop 11°C20°F

Maximum Flow Temperature

85°C

Heat Output 125 150

kW 35.0 43.0

Btu/h 119,443 146,745

180 220

kW 52.8 64.5

Btu/h 180,189 220,117

Electrical Supply 230V~ 50Hz

Power Consumption 25W

(excluding pump)

External Fuse Rating 3A

External Controls 230V switching

Electrical Protection IP20

(Appliance must be connected to an

earthed supply)

Appliance Category CAT 2H

Gas Rate 125 150

m3/h 4.0 5.06

ft3/h 142 179

180 220

m3/h 6.0 7.3

ft3/h 212 258

Burner Pressure 125 150

mbar 11.2 ± 0.4 11.4 ± 0.4

180 220

mbar 11.0 ± 0.4 11.8 ± 0.4

Inlet Pressure (Natural Gas Only)

mbar 20

in wg 8

Burner Injector

2.6mm Diameter

Appliance Type B11BS

NOxClass

150 & 180 3

125 & 220 2

This value is used in the UK Government’s

Standard Assessment Procedure (SAP) for

energy rating of dwellings. The test data from

which it has been calculated have been

certified by 0049.

SEDBUK Declaration For

Potterton Osprey 2 CFL

The seasonal efficiency (SEDBUK)

125: 78.6 %

150: 78.0 %

180: 78.3 %

220: 78.0 %

0102030405060

125

150

Flow Rate (l/min)

Pressure Drop (mbar)

70 80

125 and 150

100

120

0102030405060

180

220

Flow Rate (l/min)

180 and 220

Pressure Drop (mbar)

70 80 90 100 110 120

Heat Input (gross) 125 150

kW 43.07 53.28

Btu/h 146,983 181,827

180 220

kW 64.82 79.69

Btu/h 221,209 271,956 Water Content litres

125 24

150 29

180 33

220 38

Working Head

Minimum 0.5m

Maximum 30m (3 bar)

Flue Spigot Diameter

125/150 184mm

180/220 241mm

Hydraulic Resistance Charts

Pilot Injector

0.45mm Diameter

4.0 Dimensions

Dimensions (mm)

600

695

790

885

Model

125

150

180

220

332.5

380

427.5

475

850

511

600

650

Front Side

Fig. 4 Fig. 5

184

241

5.0 System Details

5.1 Primary Circuit

1. The appliance is suitable for fully pumped

systems only. The system can be open vented

or sealed.

2. A sealed system must incorporate the

following:-

•Safety Valve

•Pressure Gauge

•Expansion Vessel

•Filling Point

Reference must be made to the specific sections

of BS5449 relating to sealed systems.

Treatment of Water Circulating Systems

•All recirculatory water systems will be subject

to corrosion unless an appropriate water

treatment is applied. This means that the

efficiency of the system will deteriorate as

corrosion sludge accumulates within the system,

risking damage to pump and valves, boiler noise

and circulation problems.

•For optimum performance after installation this

boiler and its associated central heating system

must be flushed in accordance with the

guidelines given in BS 7593 “Treatment of water

in domestic hot water central heating systems”.

•This must involve the use of a proprietary

cleanser, such as BetzDearborn Sentinel X300

or X400, or Fernox Superfloc. Full instructions

are supplied with the products, but for immediate

information please contact BetzDearborn (0151

420 9563) or Fernox (01799 550 811) directly.

•For long term protection against corrosion and

scale, after flushing it is recommended that an

inhibitor such as BetzDearborn Sentinel X100,

or Fernox MB-1 or Copal is dosed in accordance

with the guidelines given in BS 7593.

Failure to flush and add inhibitor to the system

may invalidate the appliance warranty.

•It is important to check the inhibitor

concentration after installation, system

modification and at every service in accordance

with the manufacturer’s instructions. (Test kits

are available from inhibitor stockists.)

•For information or advice regarding any of the

above contact the Potterton Helpline.

5.0 System Details

5.2 Bypass

1. The boiler is fitted with a pump overrun device

which allows the removal of residual heat from

the boiler. The system design must therefore

always provide an open circuit to allow water

circulation between the boiler flow and return.

2. Any bypass must be capable of allowing a

minimum flow rate of 8l/min and be able to

dissipate at least 2kW.

5.3 System Control

1. The boiler is intended for use in a heating

system that incorporates external controls, i.e. a

minimum of a timer device.

2. For optimum operating conditions and

maximum economy the fitting of room and

cylinder thermostats is recommended.

3. The boiler should be controlled so that it

operates on demand only.

6.0 Site Requirements

6.1 Information

1. The installation must be carried out by a

CORGI Registered Installer or other registered

competent person and be in accordance with the

relevant requirements of the current Gas Safety

(Installation and Use) Regulations, the Building

Regulations (Scotland)(Consolidation), the Local

Building Regulations, the current I.E.E. Wiring

Regulations and the bye laws of the Local Water

Undertaking. Where no specific instruction is

given reference should be made to the relevant

British Standard Codes of Practice. For Ireland

install in accordance with IS 813 “Installation of

Gas Appliances”.

6.2 B.S. Codes of Practice

WARNING - The addition of anything that

may interfere with the normal operation of the

appliance without the express written

permission of Potterton could invalidate the

appliance warranty and infringe the Gas

Safety (Installation and Use) Regulations.

6.3 Clearances (Fig. 6 & 7)

1. Minimum clearances must be provided around

the boiler as follows:-

Each Side - 150mm

Top - 700mm

Front - 700mm

Rear - 200mm

Fig. 6

Fig. 7

STANDARD

B.S. 6891

B.S. 5440: Pt 1

B.S. 5440: Pt 2

B.S. 5546

B.S. 7074

B.S. 5449

B.S. 6798

SCOPE

Gas Installation.

Flues.

Ventilation

Installation of hot water supplies

for domestic purposes.

Expansion vessels and ancillary

equipment for sealed water systems.

Forced circulation hot water systems.

Installation of gas fired boilers.

700mm

200mm

150mm

Minimum Side

Clearances

Minimum Front &

Rear Clearances

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