Ambirad VSUS Bedienungsanleitung

OWNERS MANUAL

INSTALLATION / OPERATION / MAINTENANCE

Applies to: Model VSUS & VSLUS

120V 60Hz

Gas-Fired, Tubular, Radiant,

Low-Intensity Infrared Heater

WARNING: Improper installation, adjustment,

alteration, service or maintenance can cause

property damage, injury or death. Read the installation,

operating and maintenance instructions thoroughly

before installing or servicing this equipment.

Part # 700110

OWNERS MANUAL

Introduction.

Document Index.

1: Installation Requirements

1.1 Health & Safety

1.2 Heater Suspension

1.3 Wall Mounting

1.4 Clearance to Combustibles

1.5 Gas Connection & Supply Details

1.6 Electrical Connections

1.7 Ventilation Requirements

1.7.1 Unvented Units

1.7.2 Vertical Venting

1.7.3 Horizontal Venting

1.8 Fresh Air Intake

1.9 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

2.2.3.1 U-Tube Heaters

2.2.3.2 Tube Alignment Sections

2.2.3.3 Linear 3” SL Tube Heaters

2.2.3.4 Linear - 4” SL Tube Heaters

2.2.4 Couplers

2.2.5 Reflectors

2.2.6 U-Bend

2.2.7 Bends

2.2.8 End Caps

2.2.9 Burner Assembly

2.2.10 Fan Assembly

2.2.11 Heater Configurations

3: Start Up Instructions

3.1 Tools Required

3.2 Start up procedure

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

4.7 Radiant Tube Servicing

4.8 Reflector Servicing

4.9 Sweeping of Vent

4.10 Re-commissioning after Service

5: Spare parts

6: Troubleshooting Guide

7: Replacing Parts

7.1 Burner Controller Replacement

7.2 Air Pressure Switch Replacement

7.3 Gas Valve Replacement

8: Optional Extra Kits

9: User and Operating Instructions

9.1 To Start Heater

9.2 To Switch Off Heater

9.3 Servicing

and attention is required to ensure that working

at height regulations are adhered to.

PLEASE READ this document prior to

installation to familiarize yourself with the

components and tools you require at the various

stages of assembly.

All dimensions shown are in inches unless

otherwise stated.

The manufacturer reserves the right to alter

specifications without prior notice.

Welcome to the new range of vacuum infra-red

heaters. Local regulations may vary and it is the

installer’s responsibility to ensure that such

regulations are satisfied.

All installation, assembly, commissioning and

service procedures must be carried out by

suitably qualified competent persons and

conform with local building codes, or in the

absence of local codes, with the National Fuel

Gas Code ANSI Z223.1/NFPA 54.

When assembling, installing, commissioning

and servicing is undertaken on radiant tube

heaters specified in these instructions, due care

1.2 Heater Suspension

Attachment to the heater support lugs should be

made by a D shackle. The hanging attachments

to overhead steelwork etc. must be purpose

made to good sound engineering practice or of

a proprietary type supplied by others.

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.

These methods are illustrated in Figure 1. If

there are any doubts as to the strength or

suitability of roof steelwork to which heaters are

suspended, please refer to a Consultant,

Architect, structural engineer, or owner of the

building.

It is recommended that the heater is raised to its

final position once the assembly of the tube/

bracket/reflector has been completed. Longer

tube assemblies may be raised in more than

one sub-assembly with final tube connections

made in the air.

1.3 Wall Mounting

These radiant tube heaters can be wall mounted

using the appropriate bracket.

When using the wall mounting brackets the

heater must be inclined at an angle between 35°

and 55°, when side wall (perimeter) reflectors

are not used.

1. Installation Requirements.

1.1 Health and Safety

A. Heaters are intended for heating

non-residential indoor spaces and should

only be installed where flammable gases

or vapors are not generally present.

B. Heaters may be suspended either

horizontal or at an angle, or may be wall

mounted. See section 1.5 for clearance

dimensions.

C. The installation must conform with local

building codes or, in the absence of local

codes, with the National Fuel Gas Code,

ANSI Z223.1/NFPA 54 or the Natural

Gas and Propane Installation Code, CSA

B149.1.

D. The unit shall be electrically grounded in

accordance with National Electric Code

ANSI/NFPA 70 and Canadian Electrical

Code CSA C22.1.

E. The heater may be installed in aircraft

hangars in accordance with the Standard

for Aircraft Hangars, ANSI/NFPA 409,

and in automotive garages in accordance

with the Standard for Parking Structures,

ANSI/NFPA 88A, or the Standard for

Repair Garages, ANSI/NFPA 88B,, or

the Canadian Natural Gas and Propane

Installation Code, CSA B149.1, and are

so marked.

Ensure that minimum clearances will be

maintained to vehicles parked below the

heater.

F. The standard heaters are approved for

installations between 0 - 2000ft

(0 - 610m) for the US and 0 - 4500 ft

(1370m) for Canada. Conversion kits are

available on installations above these

heights in the USA.

If not installed, operated and maintained in accordance with the manufacturer’s instructions,

this product could expose you to substances in fuel, or from fuel combustion, which are

known to the state of California to cause cancer, birth defects or other reproductive harm.

WARNING:

Figure 1. Recommended Methods of Heater Suspension.

DROP ROD 55° SUSPENSION

BEAM CLAMPS

3/8"Ø ROD

TUBE

REFLECTOR

BRACKET

EYE HOOK

NOTE:

HOOKS ARE TO

BE CLOSED UP

AFTER ASSEMBLY

OPTIONAL

TURNBUCKLE

(±3"ADJUSTMENT)

2/0 GA CHAIN

(TWISTED LINK,

PLATED)

EYE HOOKS

2/0 GA CHAIN

(TWISTED LINK,

PLATED)

CHAIN

('U' TYPE SHOWN)

Vertical suspension chain ideal. Where

supports are inclined, maximum

recommended angle of inclination is 15°. Where chain supports

have an angle of

inclination greater than

15° an equal and

opposite support is

recommended.

15° max.

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

LINEAR VARIANTS SHOULD SLOPE DOWNWARDS TOWARDS BURNER BY APPROX. ½” FOR BOTH

HORIZONTAL AND WALL MOUNTED INSTALLATIONS.

*These angles

to be equal

and not more

than 45°.

PURLIN FASTNERS

It is recommended that on linear variants,

at least the first suspension bracket should

be supported by 2 chains to prevent the

heater tilting.

Table 1

Clearance to Combustibles, inches (cm)

Model B

B1 C1 C2 C3 D** D1 D2 E

UT SL UT SL UT SL

40 63 (160) 49 (125) 25 (64) 48 (122) 41 (105) 10(26) /

16(41)*

10(26) /

16(41)* 8 (21) 10 (26) 48(122) /

14(36)** 18 (46) 20 (51) 10 (26)

60 66 (168) 66 (168) 30 (77) 48 (122) 41 (105) 10(26) /

16(41)*

10(26) /

16(41)* 8 (21) 10 (26) 48(122) /

14(36)** 18 (46) 20 (51) 10 (26)

80 72 (183) 72 (183) 30 (77) 48 (122) 41 (105) 10(26) /

16(41)*

10(26) /

16(41)* 8 (21) 10 (26) 48(122) /

14(36)** 18 (46) 20 (51) 10 (26)

100 72 (183) 72 (183) 32 (82) 48 (122) 41 (105) 10(26) /

16(41)*

10(26) /

16(41)* 8 (21) 10 (26) 48(122) /

20(51)** 18 (46) 20 (51) 10 (26)

125 74 (188) 74 (188) 39 (99) 48 (122) 47 (120) 10(26) /

16(41)*

10(26) /

16(41)* 8 (21) 10 (26) 48(122) /

20(51)** 18 (46) 20 (51) 10 (26)

150 78 (199) 86 (219) 39 (99) 48 (122) 48 (122) 10(26) /

17(44)*

10(26) /

17(44)* 8 (21) 10 (26) 48(122) /

28(72)** 18 (46) 28 (72) 10 (26)

170 86 (219) 86 (219) 48 (122) 48 (122) 48 (122) 10(26) /

17(44)*

10(26) /

17(44)* 11 (28) 10 (26) 48(122) /

40(102)** 18 (46) 28 (72) 10 (26)

200 86 (219) 86 (219) 48 (122) 48 (122) 48 (122) 10(26) /

17(44)*

10(26) /

17(44)* 11 (28) 10 (26) 48(122) /

40(102)** 18 (46) 28 (72) 10 (26)

SL UT SL SL

1.4 Clearance to Combustibles.

Minimum clearance to combustibles are shown in Figures 2a/2b. Use in conjunction with Table 1 below.

IMPORTANT:

The stated clearance to combustibles represents a surface temperature of 90°F (50°C) above room temperature.

Building material with a low heat tolerance (such as plastics, vinyl siding, canvas, tri-ply, etc.) may be subject to

degradation at lower temperatures.

It is the installer’s responsibility to assure that adjacent materials are not subject to such degradation.

WARNING:

Minimum clearance from the heater must be maintained from vehicles parked below heater.

In all situations, clearances to combustibles must be maintained. Signs should be posted in

storage areas to specify maximum stacking height to maintain required clearance to

combustibles. Such signs must either be posted adjacent to the heater thermostats or in the

absence of such thermostats in a conspicuous location. Refer to mounting clearance tables.

*unvented ** with end caps

Figure 2a Clearance to Combustibles (U-Tube Variants).



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

minimum distances MUST be adhered to at all times. Adequate clearance MUST be provided

around air openings into the combustion chamber and there MUST be suitable clearance for

accessibility and for combustion / ventilating air supplies.

Side

vented

End view.

Below

heater

0° to 55°

Angled view.

C2(*)

C1(*)

Burner end.

Above

Reflector

(unvented)

Above

Burner

Service

distance

U Bend end.

NOTE: Ensure that there is adequate provision

in the building for combustion and ventilation

air supply. Installation must meet minimum

requirements and appliciable codes.

* unvented

Ensure burner is

mounted on

bottom tube

when angle

mounting

Side unvented

Ensure that there is adequate

provision in the building for

combustion and ventilation air supply.

Installation must meet minimum

requirements and appliciable codes.

WARNING!

applicable

Figure 2b Clearance to Combustibles (Linear Tube Variants).



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

minimum distances MUST be adhered to at all times. Adequate clearance MUST be provided

around air openings into the combustion chamber and there MUST be suitable clearance for

accessibility and for combustion / ventilating air supplies.

0° to 55°

Angled view.

Side

vented

End view.

Below

heater

Outlet end. B1

Ensure that there is adequate

provision in the building for

combustion and ventilation air

supply. Installation must meet

minimum requirements and

appliciable codes.

Burner end.

Above

Reflector

Above

Burner

Service

distance

C1 (*)

Above

outlet

Outlet end.

* unvented

end

unvented

Optional

90° bend

Optional

U bend

Ensure that there is adequate

provision in the building for

combustion and ventilation air supply.

Installation must meet minimum

requirements and appliciable codes.

WARNING!

applicable

1.5 Gas Connection and Supply

The gas connection to the heater is ½” N.P.T

internal thread.

Injector sizes and manifold pressure for the

burners are shown in Section 1.9. The gas

supply piping and connections must be installed

so that the recommended pressure stated is

achieved.

A gas shut off valve and union should be fitted

in the gas supply line close to the heater and a

⅛” N.P.T plugged tapping, accessible for test

gauge connection, provided immediately

upstream of the appliance gas inlet.

It is essential to provide some flexibility in the

final gas connection by use of an approved

flexible gas connector. See Fig 4.

Take care when making a gas connection

to the heater not to apply excessive turning

force to the internal controls.

Care must be taken to observe the minimum

pipe bend diameter (minimum 10” - 250mm,

maximum 14” - 350mm) & pipe expansion

distance (minimum 1⅛” - 28mm, maximum

3¾”) - 95mm.

The correct installation as shown will allow

for approx 4” of movement due to

expansion.

WARNING: Before installation, check

that the local distribution conditions,

nature of gas and pressure, and adjustment

of the appliance are compatible.

Figure 3. Correct orientation of Ball Valve

Gas Flow

Figure 4. Correct Installation of Flexible

Gas Connection

WARNING: FIRE OR EXPLOSION HAZARD - Expansion of the radiant pipe occurs with

each firing cycle causing the burner to move with respect to the gas line. This can

result in a gas leak producing an unsafe condition. It is therefore essential to provide some

flexibility in the final gas line connection by use of an approved armoured flexible

connector or stainless steel expansion loop as shown in the drawings.

1.6 Electrical Connections

This appliance must be electrically grounded

Supply 120V 60Hz single phase.

Standard heater 0.16HP.

Current rating 1.2 amp max (inductive).

Fuse: external 3 amp.

Important: All electrical work should be done by

a qualified electrician in strict accordance with

the National Electrical Code ANSI/NFPA 70 or

Canadian Codes CSA C22.1.

The electrical supply to the heater is by three

wires: live, neutral and ground connections.

Install in accordance with all state & local codes.

Where alternative manufacturers controls are

used, please refer to their instructions for siting

and installation details.

Table 3 Gas Supply Pressures

Gas Type Natural Gas LP/Propane Gas

Required Gas Pressure (in W.C) 60,000 to 150,000 btu 5.0 11.0

Required Gas Pressure (in W.C) 170,000 to 200,000 btu 7.0 11.0

Max Supply Pressure (in W.C) 14.0 14.0

Gas Supply Connection ½” N.P.T thread

Switch with

Fuse

Fan plugs

into burner

Figure 5.a Typical U-Tube Range Wiring Connections

WARNING: Before making electrical

connections, switch OFF the main

electrical disconnect. There may be more

than one disconnect switch. Lock out

and tag switch with a suitable warning

label. Electrical shock can cause

personal injury or death.

Figure 5.b Typical Linear Range Wiring Connections

Switch

with Fuse

If any of the original wire as supplied with the appliance must be replaced, it

must be replaced with wiring material having a temperature rating of at least 220°

Figure 5d. Single Heater Installations 24V Control

Gas Control

COM

PS0

PS1

IND

24V Thermostat

RW1

METHOD:-

Cut and strip pink cables linking terminals W1 and R

Attach thermostat wires using suitable wire nuts. KEY:

BL - BLUE

BK - BLACK

BR - BROWN

GR - GREY

K - PINK

R - RED

Y - YELLOW

Figure 5e. Multiple Heater Installations 24V Control

Supply circuit

120V 60Hz 1 Ph

S-0700

40VA

Trans

Relay

L2 L2

L1 (HOT)

GND

24V Thermostat

other burners

Burner 1

RW1

Fan center relay

(Suppled by others)

KEY:

G - GREEN

W - WHITE

BK - BLACK

R - RED

R W

Figure 5c. Single and Multiple Heater Installations 120V Control

120V Thermostat

Supply circuit

120V 60Hz 1 Ph

L1 (HOT)

GND

other burners

Burner 1

110V Thermostat

KEY:

G-GREEN

W-WHITE

BK-BLACK

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