Ambirad VISION VSO Instrucciones de montaje

ASSEMBLY, INSTALLATION & SERVICING MANUAL

FOR AMBIRAD VISION®VSO & VSXO

RANGE OF RADIANT TUBE HEATERS

INDEX Section

Introduction and Document Index

Installation Requirements-------------------------------------------------1

Assembly Instructions------------------------------------------------------2

Commissioning Instructions----------------------------------------------3

Servicing Instructions------------------------------------------------------4

Spare Parts-------------------------------------------------------------------5

Fault Finding Guide --------------------------------------------------------6

Replacing Parts -------------------------------------------------------------7

User and Operating Instructions ----------------------------------------8

WARNINGS

AmbiRad equipment must be installed and maintained in accordance with the relevant

provisions of the Gas Safety (Installations and Use) Regulations 1998 for gas fired products.

Due account should also be taken of any obligations arising from the Health and Safety at

Works Act 1974 or relevant codes of practice. In addition the installation must be carried out

in accordance with the current IEE wiring regulations (BS 7671), BS 6896:2005 (Industrial &

Commercial) and any other relevant British Standards and Codes of Practice by a qualified

installer. All external wiring MUST comply with the current IEE wiring regulations.

Introduction.

Welcome to the new range of high efficiency

AmbiRad Vision radiant tube heaters. Local

regulations may vary in the country of use and

it is the installers responsibility to ensure that

such regulations are satisfied.

All installation, assembly, commissioning and

service procedures must be carried out by

suitably qualified and competent persons to the

statutory regulations in the country of use.

When assembling, installing, commissioning

and servicing is undertaken on radiant tube

heaters specified in these instructions, due care

Document Index.

1 Installation Requirements

1.1 Health & Safety

1.2 Model Definitions

1.3 Heater Suspension

1.4 Wall Mounting

1.5 Herringbone Systems

1.6 Clearance to Combustibles

1.7 Gas Connection & Supply

1.8 Electrical Connections

1.9 Ventilation Requirements

1.9.1 Unflued Radiant Heater

Mechanical Ventilation

Natural Ventilation

1.9.2 Flued Radiant Heater

Mechanical Ventilation

Natural Ventilation

1.10 Flue & Combustion Air Inlet Options

1.11 Technical Details

2 Assembly Instructions

2.1 Tools Required

2.2 Assembly Notes

2.2.1 Tubes

2.2.2 Turbulators

2.2.3 Brackets

2.2.4 Couplers

2.2.5 U Bend

2.2.6 Reflectors

2.2.7 End Caps

2.2.8 Burner Assembly

2.2.9 Heat Exchanger Assembly

2.2.10 HB Damper Assembly

2.2.11 Fan Assembly

2.2.12 End Moulding Fixing

2.2.13 HB Manifold Assembly

2.2.14 Detailed Assembly Drawings

3 Commissioning Instructions

3.1 Tools Required

3.2 Balancing the Herringbone System

3.3 Commissioning chart

4 Servicing Instructions

4.1 Tools Required

4.2 Burner Description

4.3 Burner Removal

4.4 Burner Gas Injector Servicing

4.5 Burner Head and Electrode Servicing

4.6 Combustion Fan Assembly Unitary Heater

4.7 Combustion Fan Assembly Powered Burner

4.8 Radiant Tube Servicing

4.9 Heat Exchanger Servicing

4.10 Reflector Servicing

4.11 Inspection of Flue

4.12 Re-commissioning after Service

5 Spare Parts

6 Fault Finding Guide

7 Replacing Parts

7.1 Burner Controller Replacement

7.2 Air Pressure Switch Replacement

7.3 Gas Valve Replacement

8 User and Operating Instructions

8.1 To Start Heater

8.2 To Switch Off Heater

8.3 Routine Maintenance Between Service Intervals

8.4 Frequency of Servicing

and attention is required to ensure that working

at height regulations are adhered to at the

mounting heights specified.

PLEASE READ this document prior to

installation to familiarise yourself with the

components and tools you require at the various

stages of assembly.

All Dimensions shown are in mm unless

otherwise stated.

The manufacturer reserves the right to alter

specifications without prior notice.

1.1 Health and Safety

AmbiRad heaters must be installed in

accordance with the relevant provisions of the

Gas Safety (Installations and Use) Regulations

1998. Due account should also be taken of any

obligations arising from the Health and Safety

at Works Act 1974 or relevant codes of

practice. In addition the installation must be

carried out in accordance with the current IEE

wiring regulations (BS 7671), BS 6896:2005

(Industrial & Commercial) and any other

relevant British Standards and Codes of

Practice by a qualified installer. Isolate all

electrical supplies to the heater & controller

before proceeding.

For your own safety we recommend the use of

safety boots and leather faced gloves when

handling sharp or heavy items. The use of

protective eye wear is also recommended.

1.2 Model Definitions

VSOUT = AmbiRad Vision U Tube Unitary

heater with painted induced burner, ID Fan,

aluminised steel reflectors, end caps,

insulation, tube over shields, painted canopies

and optional end covers.

VSOUH = AmbiRad Vision U Tube

Herringbone heater with painted induced

burner, Damper, aluminised steel reflectors,

end caps, insulation, tube over shields, painted

canopies and optional end covers.

VSXO = AmbiRad Vision High efficiency

U Tube heater with forced burner, recuperative

heat exchanger, aluminised steel reflectors,

end caps, insulation, tube over shields, painted

canopies and optional end covers.

1.3 Heater Suspension

See fig 3.b. Attachment to the heater

support lugs should be made by a ‘speed

link’, D shackle or in the case of drop rods, a

closed formed hook. The hanging attachments

to overhead steelwork etc. must be purpose

made to good sound engineering practice or of

a proprietary type fixing. They must be

adequately fixed and designed to carry the

whole weight of the heater. In the event of

suitable roof steelwork being unavailable,

additional steelwork should be fitted to enable

vertical hangers to be used for suspending the

heaters.

If there are any doubts as to the strength or

suitability of roof steelwork to which heaters are

to be suspended, please refer to a Consultant,

Architect or owner of the building. The

minimum mounting heights for AmbiRad heaters

are given in the table below.

1.4 Wall Mounting

These radiant tube heaters can be wall mounted

using the appropriate bracket (AmbiRad part no

WMB-13-22-38).

When using the wall mounting brackets the

heater must be inclined at an angle between 30°

and 35°.

U Tube

Heater

Size Required

angle Chain

length Eyebolt

position

15 - 50 30-35° 12 links 1

1. Installation Requirements.

Isolate any electrical supply to the

heater and controller before proceeding.

The heater must be suspended by

ALL of the suspension brackets.

Figure 3.a. Angle Mounting using the Wall

mounting bracket 1

Model

MINIMUM

Mounting Height (m)

Horizontal Inclined / wall

mounted

15 4.4 3.9

20 4.9 4.4

25 5.4 4.7

30 6.3 5.5

35 6.5 5.7

40 6.9 6.0

45 7.3 6.5

50 7.8 6.9

Figure 3.b. Recommended Methods of Heater Suspension.

Where chain supports have an

angle of inclination greater

than 15° an equal and opposite

support is recommended.

Vertical suspension chain ideal.

Where supports are inclined,

maximum recommended angle

of inclination is 15°.

Shackle method of

attachment. Pin must

be tightened by pliers.

Drop rod with formed hook.

note. hook or eyebolt must

be closed tight.

These angles to

be equal and not

more than 45°.

15° max.

Vertical or inclined

suspension on this

plane is acceptable.

Typical Speedlink attachment.

ON U TUBE VARIANTS THE HEATER SHOULD SLOPE DOWNWARDS TOWARDS THE RETURN

BEND BY APPROX. 10mm FOR BOTH HORIZONTAL AND WALL MOUNTED INSTALLATIONS.

1.5 Herringbone Systems (VSOUH).

The manifold system should be arranged to fall

slightly in the direction of the vacuum fan. This

ensures that any condensation formed in the

manifold on cold start and cool down is not

trapped or allowed to drain back into the heater

unit. This allows condensate to flow towards

the condensate trap located at the vacuum fan

end of the manifold system. (See figure 4a

below for condensate trap arrangement).

The manifold should be supported by chain,

stainless steel flexible wire, or other flexible

means from the roof structure to allow

movement caused by thermal expansion. For

100mm diameter manifold the maximum

distance between supports is 2.4m and 3.0m

for 150mm diameter.

Flexible couplers (supplied by AmbiRad) must

be inserted within the manifold system to allow

linear expansion to take place and prevent

stress and strain on the system.

The exhaust flue should be adequately

supported from the building structure and

installed in accordance with the British

Standard Code of Practice BS 5440: Part

1:2000 – Installation and maintenance of flues

and ventilation for gas appliances of rated input

not exceeding 70kW net (1st, 2nd and 3rd

family gases)

A condensate trap assembly must be provided

at the end of the manifold system before the

hot gas vacuum fan.

The minimum depth of the condensate

collecting chamber shall be 305mm and the

minimum depth of the condensate drain pipe

‘U’ trap shall be 457mm deep. The end cap of

the collecting chamber to be fitted with a flush

flanged tank connector. Any protrusion to be

removed leaving the inside flush with end cap.

The end cap should be sealed with silicon

jointing compound and pop riveted in position.

All condensate drains from the flue collecting

chamber to the disposal point shall be

corrosion-resistant material of not less than

22mm internal diameter. Copper or copper

based alloy shall not be used for condensation

drains. See reference BS 6896:2005.

Condensate drain pipes must be protected

against the effects of freezing.

The Type ‘0’ and Type ‘2’ vacuum fans have

bottom horizontal discharge with rectangular

connections (flanged on the type 0) and must be

mounted in that position by means of the fan

support stool onto a suitable platform or

brackets fixed to the building structure.

For details of the fan outlet fixing holes see

below.

305.0457.0

Figure 4a.

Condensate

Trap Arrangement

Figure 4c. Type ‘O’ Fan Outlet Dimensions

Figure 4d.

Type 2 Fan

Outlet Dimensions

190

213

Figure 4b. Collecting Chamber Arrangement

The manifold must be supported either

side of the flexible coupler.

For details of fan mounting bracket and fixing

down holes see figure 5.

Figure 4e. Conventional Flue Arrangement

Roof Exit.

Figure 4f. Conventional Flue Arrangement

Wall Exit.

Figure 4g. Stainless Steel Telescopic

Through The Wall Arrangement (available for

Type ‘O’ and Type ‘2’ fans)

Where a conventional flue is to be installed,

AmbiRad supply an aluminium transformation

piece to which a 150mm (6ins) diameter flue

must be attached.

The length of flue which may be connected to

the fan outlet must be adequately supported

from the building structure.

Figure 4h. Typical Low Fan Arrangement

305.0

Fig 4c/d

Fan Type O Type 2

A 124 80

B 38 35

C 175 174

D 7.1 7

E 209 125

F 153 100

G 42 25

H 239 120

J 340 210

K 332 205

L 363 215

Power (watts) 550 120

Running Current (amps) 2.6 0.8

Voltage 230V 1ph 230V 1ph

Figure 5. Vacuum Fan Mounting Details (Type ‘O’ fan illustrated)

Hole CentersHole Centers

Figure 6. Typical Herringbone system (VSO shown with optional end covers)

Dos Don’ts

Check for corrosive industrial process in

proposed building - e.g. cleaning, electroplating,

printers using sugar powder etc.

Install system with extra 90° bends without asking

AmbiRad if the system will operate correctly.

Drain all flue ducts and seal all joints. Install flue with vertical rise without firstly fitting a

drain point at it’s lowest level.

Secure joints with pop rivets as well as sealing

compound (refer to assembly instructions). Fit fan with outlet vertical or with top horizontal

discharge.

Fit drain traps before and after fans (see figs 4). Fit damper upside down or on it’s side.

Fit expansion joints before fan and at

intermediate points on the herringbone system. Fit damper wrong way round. (see fig20)

Run drains in galvanised steel or plastic pipes.

Follow guide to combined flue heating system.

Check design pressure drop. Run drains in copper or mild steel pipework.

Dos and don'ts of herringbone system

1.6 Clearance to Combustibles.

The minimum clearances to combustible materials are given in the tables below. These

minimum distances MUST be adhered to at all times.

Figure 7.a Diagram illustrating the clearance to combustibles (VSXO shown c/w End Covers)

VSXO 20/25 30/35/40

Above Canopy A 100 100

Above Burner / Flued Heat Exchanger B 500 500

To the Sides C 915 1200

Below Tubes D 2330 2330

From Heater Outlet (UNFLUED) E 570 940

End Wall F 390 470

Above Burner / Heater Outlet Unflued B1 700 700

45/50

100

500

700

1525

2330

940

575

DIM 'C'

DIM 'D'

DIM 'C'

DIM 'B'

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