Reznor VPS Manuel utilisateur

Model VPS

Burner/Control Box

with 20 - 80 ft Tube/Reflector Length

INSTALLATION / OPERATION / MAINTENANCE

Applies to: Model VPS 120V 60Hz

Gas-Fired, Tubular, Radiant,

Low-Intensity Infrared Heater

Form I-VPS (Version C) Part No. 270683

Introduction.

Document Index.

1 Installation Requirements

1.1 Health & Safety

1.2 Heater Suspension

1.3 Clearance to Combustibles

1.4 Gas Connection & Supply Details

1.5 Electrical Connections

1.6 Ventilation Requirements

1.6.1 Unvented Units

1.6.2 Vertical Venting

1.6.3 Horizontal Venting

1.7 Fresh Air Intake

1.8 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 Reflectors

2.2.6 End Caps (optional)

2.2.7 Bends (where required)

2.2.8 Burner/Fan Assembly

2.2.9 Detailed Assembly Drawings

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 Cleaning 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

7.4 Optional Extra Kits

8 User and Operating Instructions

8.1 To Start Heater

8.2 To Switch Off Heater

8.3 Servicing

heaters specified in these instructions, due care

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 powered infra-red

heaters. Local regulations may vary and it is the

installer’s responsibility to ensure that such reg-

ulations are satisfied.

All installation, assembly, commissioning and

service procedures must be carried out by

suitable 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 or the

National Gas and Propane Installation Code

CSA B149.1

When assembling, installing, commissioning

and servicing is undertaken on radiant tube

1. Installation Requirements.

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 when

1.1 Health and Safety

A. Heater is 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 any angle. See section

1.3 for clearance dimensions.

C. The installation must conform with local

building codes or, in the absence of local

installed 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.

1.2 Heater Suspension

Attachment to the heater support lugs should

be made by D shackle. The hanging

attachments to overhead steelwork etc. must

be purpose made to sound engineering

practice or 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

to be suspended, please refer to a Consultant,

Architect 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 connection

made in the air.

The suggested mounting heights for heaters are

given in the chart next page.

Figure 1. Recommended Methods of Heater Suspension.

WARNING:

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.

CHAIN 55° SUSPENSION

2/0 GA CHAIN

(TWISTED LINK, PLATED)

NOTE.

HOOKS ARE TO

BE CLOSED UP

AFTER ASSEMBLY

EYE HOOKS

EXHAUST

END

BURNER

END

U TUBE VARIANTS

Suitable Chain

Working Load Limit

100lb.

Table 1 Clearance to Combustibles, inches (cm)

MODEL A B B1 C1 C2 C3 D1 D2 E

60 74 (188) 29 (74) 41 (105) 20 (51) / 10* (26)* 8 (21) 22 (56) 8 (21) 12 (31) 12 (31)

80 74 (188) 29 (74) 41 (105) 20 (51) / 10* (26)* 8 (21) 22 (56) 8 (21) 12 (31) 12 (31)

100 74 (188) 32 (82) 41 (105) 20 (51) / 10* (26)* 8 (21) 22 (56) 8 (21) 16 (41) 12 (31)

125 74 (188) 39 (99) 47 (120) 20 (51) / 10* (26)* 8 (21) 22 (56) 20 (51) 18 (46) 12 (31)

150 74 (188) 39 (99) 48 (122) 20 (51) / 10* (26)* 8 (21) 22 (56) 20 (51) 18 (46) 12 (31)

170 86 (219) 48 (122) 48 (122) 20 (51) / 10* (26)* 11 (28) 22 (56) 20 (51) 20 (51) 12 (31)

200 86 (219) 48 (122) 48 (122) 20 (51) / 10* (26)* 11 (28) 22 (56) 20 (51) 20 (51) 12 (31)

1.3 Clearance to Combustibles.

Minimum clearance to combustibles are shown in 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

protected from degradation.

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.

WARNING:

* distance with end caps fitted.

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

HORIZONTAL INSTALLATIONS AS SHOWN BELOW (DIAGRAMS EXAGGERATED FOR CLARITY)

U Tube heater side view U bend

1/2”

Linear heater side view

Outlet

1/2”

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.

Outlet end.

Angled view.

End view.

Below

heater

Side

vented

Side

unvented

End

unvented

Above outlet

unvented

Above

Reflector

Above

Burner

Service

distance

Return end on

U tube heater

WARNING!

0° to 55°

Figure 2 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. 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.

applicable

1.4 Gas Connection and Supply

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

internal thread.

Injector sizes and manifold pressure for the

burners are shown in the table 4. The gas

supply piping and connections must be installed

so that the minimum 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 flexible connector as

shown in the drawings.

1.5 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 their

installation details.

Table 4 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

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.

CONNECTOR MUST BE INSTALLED IN A “U” CONFIGURATION. FOR HEATERS

UPTO 150,000 BTU/H, A 24” LONG CONNECTOR OF AT LEAST ½” ID MUST BE

USED. FOR HEATERS ABOVE 150,000 BTU/H, A 36” LONG CONNECTOR OF AT

LEAST ¾” NOMINAL ID MUST BE USED.

* Connector must be certified for use on a radiant tube type

infrared heater and must comply with Standard for

Connectors for Gas Appliances, ANSI Z21.24/CSA 6.10 or

with the Standard for Elastomeric Composite Hose and

Hose Couplings for Conducting Propane and Natural Gas,

CAN/CGA 8.1.

For heaters up to 150,000Btu/h, ½” ID x 24” long

For heaters above 150,000Btu/h, ¾” ID x 36” long

NOTE: For Canada all heaters MUST use a hose 36” long

See Table 3

HOSE SIZE USA CANADA

3/4” CE4

CONTACT

FACTORY

Table 3

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

Supply circuit

120V 60Hz 1 Ph

L1 (HOT)

GND

other burners

Burner 1

110V Thermostat

Figure 5b. 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 5c. Multiple Heater Installations 24V Control

120V Thermostat

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

Other burners

KEY:

G - GREEN

W - WHITE

BK - BLACK

R - RED

BK Other burners

Figure 6. Internal Burner Wiring Diagram.

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°F/105°C

120V AC Fan 120V/60Hz AC

Supply

Gas Control

COM

PS0

PS1

IND

Gas Valve

NOTES:-

Power On light is permanently illuminated when 120V / 60 Hz AC external supply is connected

to burner.

Additional wiring is required to install an optional extra thermostat and / or time clock.

If no thermostat is required then a jumper is fitted between terminals R and W1. In this

configuration the burner will continuously fire until the 120V power supply is disconnected.

Wire specification:- 18 AWG (1.0mm²), Tri-rated, 105°C

Pressure Switch

120v/24VAC 60Hz

Transformer

Power ON (red)

Burner ON (amber)

KEY:

BL - BLUE

BK - BLACK

BR - BROWN

GR - GREY

G - GREEN

K - PINK

R - RED

W - WHITE

Y - YELLOW

BL BR

RGR

1.6 Vent Requirements and Details

1.6.1 Unvented units

Heaters may be installed without a vent

providing the governing building codes are met

and consideration is properly given to

possibilities of condensation on cold surfaces.

Installation shall meet the following

requirements when unvented:

 Natural or mechanical means shall be

provided to supply and exhaust at least 4

CFM per 1000 BTU per hour input of

installed heaters.

 Combustion gasses shall not impinge on

combustible materials.

1.6.2 Vertical venting

The heater can be installed with a vertical vent.

All vent piping should be adequately supported

from the building structure and terminated with

an approved terminal. The maximum

recommended vent length is 25ft (7.6m) with

a maximum of two elbows. All connections

should be properly sealed. refer fig 7a

1.6.3 Horizontal venting

Individual units can be vented horizontally

through side walls. Recommended terminals

are Part Numbers 111848 for 4” and 111850 for

6”.

Distances from adjacent public walkways,

adjacent buildings, openable windows and

building openings, consistent with the National

Fuel Gas Code, ANSI Z223.1/NFPA 54 or the

Natural Gas and Propane Installation Code,

CSA B149.1.

Maximum length of vent is 25ft (7.6m) with two

- 90° elbows.

Runs of 12ft (3.6m) or shorter can use

4” (101mm) dia vent. Runs over 12ft (3.6m)

should use 6” (152mm) vent pipe.

Any portion of vent that passes through a

combustible wall must be insulated, or use an

approved insulating thimble.

Standard vent terminals must extend at least

6” (152mm) from the wall and at least

24” (609mm) from any combustible overhang.

This protects the building material from

degradation by the vent gasses.

Vent joints should be sealed and secured

according to the vent manufacturers

instructions. Should condensation occur the

vent should be shortened or insulated.

The terminal should be at least 3ft (0.91m) away

from any air intake to the building.

If the heater is equipped with ducted combustion

air, the vent terminal must be at least 3ft

(0.91m) away from the air inlet and located

higher than the inlet.

The vent terminal must be installed at a suitable

height above the ground to prevent blockage by

snow.

1.7 Fresh Air Intake

Whenever the heater is installed in locations

where airborne dust or other pollutants are

present, a fresh air supply should be ducted to

the burner.

A fresh air duct of 4”(101mm) dia. should be

installed from the fresh air to the air intake

connection on the fan housing. A flexible

jointing piece should be installed at the fan

connection with hose clamps to facilitate

expansion and contraction.

The maximum recommended length air duct is

25ft (7.6m) and the maximum number of elbows

is two. The minimum length is 18” (456mm).

The location of the fresh air duct inlet must be

where it will receive dust free clean air. An inlet

cap with bird screen must be fitted at the inlet of

the duct. If the duct inlet is located above the

roof the underside of the inlet terminal must be

at least 2ft (0.61m) above roof level and at least

10” (254mm) above any projection on the roof

within 7ft (2.1m) of the inlet. Intake pipe, fittings

and sealant are not furnished by the

manufacturer. Refer fig 7c & d.

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