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1704VRC3-AMEN, p 19/35 

When

 

a

 

number

 

of

 

heaters

 

are

 

to

 

be

 

connected

 

as

 

part

 

of

 

a

 

single

 

installation

 

each

 

heater

 

must

 

be

 

provided

 

with

 

a

 

separate

 

isolator.

 

The

 

electrical

 

connection

 

to

 

the

 

air

 

heater

 

is

 

at

 

the

 

back

 

of

 

the

 

appliance.

 

The

 

final

 

connection

 

must

 

be

 

made

 

in

 

the

 

terminals

 

provided

 

in

 

the

 

control

 

compartment.

 

Follow

 

the

 

wiring

 

diagram

 

provided

 

with

 

the

 

air

 

heater.

 

Electrical

 

supply

 

cable

 

conductor

 

size

 

should

 

be

 

1.5

 

mm.

 

Fit

 

the

 

cord

 

grip

 

supplied

 

with

 

the

 

heater.

 

The

 

length

 

of

 

conductors

 

between

 

the

 

cord

 

grip

 

and

 

the

 

terminals

 

must

 

be

 

such

 

that

 

in

 

the

 

event

 

that

 

the

 

cable

 

becomes

 

taut

 

the

 

line

 

conductors

 

do

 

so

 

before

 

the

 

earth

 

conductor.

 

 

3.7

 

Gas

 

supply

 

 

VRC

3

 

air

 

heaters

 

are

 

designed

 

to

 

operate

 

on

 

either

 

natural

 

gas

 

(G20)

 

or

 

propane

 

gas

 

(G31).

 

Refer

 

to

 

the

 

specifications

 

in

 

section

 

2

 

of

 

this

 

document

 

and

 

to

 

the

 

data

 

plate

 

for

 

details

 

of

 

supply

 

pressures.

 

The

 

gas

 

meter

 

and

 

gas

 

service

 

must

 

be

 

checked

 

by

 

the

 

supply

 

undertaking

 

to

 

ensure

 

that

 

they

 

are

 

adequate

 

to

 

deal

 

with

 

the

 

total

 

load

 

of

 

all

 

gas

 

fired

 

apparatus

 

installed.

 

 
 
 

                   

INSTALLATION

 

 

 

4.1

 

Unpacking

 

and

 

preparation

 

 

Prior

 

to

 

dispatch,

 

the

 

air

 

heater

 

was

 

operated

 

and

 

tested

 

at

 

the

 

factory.

 

If

 

the

 

heater

 

has

 

incurred

 

any

 

damage

 

in

 

shipment,

 

file

 

a

 

report

 

claim

 

within

 

2

 

working

 

days

 

from

 

receipt.

 

Check

 

the

 

shipping

 

label

 

and

 

data

 

plate

 

to

 

ensure

 

the

 

specification

 

of

 

gas

 

and

 

electrical

 

supplies

 

are

 

compatible.

 

Read

 

this

 

document

 

and

 

become

 

familiar

 

with

 

the

 

installation

 

requirements

 

and

 

the

 

appliance

 

before

 

commencing

 

installation.

 

 

4.2

 

Suspending

 

the

 

air

 

heater

 

 

Before

 

installing

 

the

 

appliance,

 

check

 

to

 

ensure

 

that

 

the

 

supporting

 

structure

 

is

 

adequate

 

to

 

carry

 

the

 

weight

 

of

 

the

 

appliance

 

and

 

its

 

ancillaries

 

i.e.

 

flue

 

system.

 

Please

 

check

 

weights

 

specified

 

in

 

table

 

1.

 

 

When

 

the

 

heater

 

is

 

lifted

 

for

 

suspension,

 

support

 

the

 

bottom

 

of

 

the

 

heater

 

with

 

plywood

 

or

 

other

 

appropriately

 

placed

 

material.

  

If

 

the

 

bottom

 

is

 

not

 

supported,

 

damage

 

could

 

occur.

 

The

 

heater

 

is

 

supplied

 

with

 

four

 

point

 

suspension.

 

All

 

points

 

must

 

be

 

used.

 

Two

 

threaded

 

nut

 

retainers

 

are

 

provided

 

on

 

each

 

side

 

of

 

the

 

top

 

of

 

the

 

heater.

 

See

 

dimensions

 

in

 

section

 

2.2

 

and

 

figure

 

3.

 

Be

 

sure

 

that

 

the

 

threaded

 

hanger

 

rods

 

are

 

locked

 

to

 

the

 

heater

 

as

 

illustrated.

  

Recommended

 

maximum

 

hanger

 

rod

 

length

 

is

 

1.8m.

 

 

IMPORTANT

 

:

  

Suspend

 

the

 

heater

 

from

 

the

 

threaded

 

nut

 

retainers.

 

Do

 

not

 

suspend

 

from

 

the

 

heater

 

cabinet

 

panels.

 

Do

 

not

 

place

 

or

 

add

 

additional

 

weight

 

to

 

the

 

suspended

 

air

 

heater.

 

See

 

hazard

 

levels,

 

page

 

2.

 

The

 

heater

 

must

 

be

 

installed

 

in

 

a

 

level

 

plane

 

to

 

ensure

 

proper

 

operation.

 

Figure

 

3

 

Suspension

 

detail

Add

 

a

 

nut

 

to

 

lock

 

the

 

M10x1.5

 

hanger

 

rod

 

to

 

the

 

heater

 

 

 

 
 

4.3

 

Fitting

 

the

 

Combustion

 

air

 

inlet/Flue

 

system

 

 

Flue

 

pipe

 

runs

 

may

 

be

 

horizontal

 

or

 

vertical

 

and

 

terminate

 

either

 

through

 

the

 

wall

 

or

 

roof.

 

See

 

table

 

5

 

for

 

maximum

 

pipe

 

length

 

for

 

an

 

appliance

 

installed

 

as

 

type

 

B

 

or

 

table

 

6

 

for

 

maximum

 

lengths

 

and

 

approved

 

supplied

 

concentric

 

terminals

 

for

 

a

 

heater

 

installed

 

as

 

a

 

type

 

C

 

appliance.

 

All

 

pipe

 

runs

 

must

 

be

 

independently

 

supported

 

so

 

that

 

the

 

heater

 

does

 

not

 

carry

 

any

 

of

 

the

 

weight

 

of

 

the

 

flue

 

system.

 

Содержание VRC-3 100-3

Страница 1: ...perty damage injury or death All work must be carried out by appropriately qualified persons The manufacturer does not take any responsibility in the event of non observance of the regulations concerning the connection of the apparatus causing a dangerous operation of the apparatus possibly resulting in damage to the apparatus and or environment in which the unit is installed Please read this docu...

Страница 2: ...urner Injectors 8 3 Ignition System 8 4 Operating Gas Valve 8 5 Limit Controls 8 6 Combustion Air Pressure Switch 8 7 Combustion Air Fan 9 0 FAULT FINDING 10 0 PARTS LIST 11 0 GAS CONVERSION 12 0 USERS INSTRUCTIONS 13 0 HEALTH SAFETY STATEMENT HAZARD INTENSITY LEVELS DANGER Failure to comply will result in severe personal injury or death and or property damage WARNING Failure to comply could resul...

Страница 3: ...NICAL DATA 2 1 Specifications Table 1 20 30 45 60 75 100 Gas category Comb Air Flue Type B 1 Comb Air Flue Type C 1 Connection colars mm 100 100 130 130 130 130 Heat inputs Hs kW 26 42 31 63 54 38 73 25 87 85 114 87 Heat inputs Hi kW 23 80 28 50 49 00 66 00 79 15 103 50 Heat output kW 21 82 25 99 44 64 60 92 73 13 94 50 Thermal efficiency 91 70 91 20 91 10 92 30 92 39 91 30 Gas consumption G20 m3 ...

Страница 4: ...0 12 mm 1 15 1 15 1 15 1 45 1 45 1 50 marking 115 115 115 145 145 150 Butane 28 10 28 10 28 14 27 90 27 75 26 96 Propane 35 80 35 80 35 90 35 60 35 40 34 40 Injector size Burner pressure mbar 1 2 2 Burner pressure injector size Table 2A Injector size and burner pressure G20 natural gas Inlet pressure 20 0 mbar Table 2B Injector size and burner pressure G30 G31 butane propane Inlet pressures G30 28...

Страница 5: ...1704VRC3 AMEN p 5 35 VRC 30 3 VRC 45 3 ...

Страница 6: ...1704VRC3 AMEN p 6 35 VRC 60 3 VRC 75 3 ...

Страница 7: ...1704VRC3 AMEN p 7 35 2 4 Blower options 2 4 1 Mixing cabinet Bottom exit Rear exit closed open open closed half half Damper position VRC 100 3 VRC 20 3 with mix box ...

Страница 8: ...1704VRC3 AMEN p 8 35 VRC 30 3 with mix box VRC 45 3 with mix box ...

Страница 9: ...1704VRC3 AMEN p 9 35 VRC 60 3 with mix box VRC 75 3 with mix box ...

Страница 10: ...1704VRC3 AMEN p 10 35 2 4 2 Mixing cabinet and filters VRC 100 3 with mix box VRC 20 3 with mix box and filters ...

Страница 11: ...1704VRC3 AMEN p 11 35 VRC 30 3 with mix box and filters VRC 45 3 with mix box and filters ...

Страница 12: ...1704VRC3 AMEN p 12 35 VRC 60 3 with mix box and filters VRC 75 3 with mix box and filters ...

Страница 13: ...4 3 Free blowing Free blowing Dimensions mm LCSC Restriction part no A B C 20 30 1002436 58 70 240 45 1002437 154 154 320 60 1002438 130 154 320 75 1002439 130 154 396 100 1002440 166 178 396 VRC 100 3 with mix box and filters ...

Страница 14: ...1704VRC3 AMEN p 14 35 2 5 Dimensions STANDARD UNIT ...

Страница 15: ...1704VRC3 AMEN p 15 35 UNIT WITH MIXING CABINET option 526 ...

Страница 16: ...r directly onto the occupants Partitions columns counters storage racking etc should be taken into account when choosing the location so that an unobstructed path for the air circulation can be maintained Where air heaters are located in the centre of the space to be heated the air should be discharged toward outside walls In large areas they should be located to discharge air along outside walls ...

Страница 17: ...ain or gully The condensation drain from the flue must be constructed from non corrodible material not less than 20 mm diameter Copper or copper based alloys must not be used for condensation drains 3 3 2 Combustion air inlet pipe flue pipe for balanced flue installation Type C appliances Balanced flue air heaters are designed to be fitted with a combustion air inlet pipe that obtains outdoor air ...

Страница 18: ...Flue pipe outlet collar 2 combustion air inlet opening 3 5 Air distribution Follow recommended practice for building air distribution The following notes are of particular importance Where free blowing air heaters are installed it must be taken into account that heated air is buoyant when it leaves the appliance therefore air patterns within the space being heated will modify the air throw pattern...

Страница 19: ...the installation requirements and the appliance before commencing installation 4 2 Suspending the air heater Before installing the appliance check to ensure that the supporting structure is adequate to carry the weight of the appliance and its ancillaries i e flue system Please check weights specified in table 1 When the heater is lifted for suspension support the bottom of the heater with plywood...

Страница 20: ...et socket size dia mm Figure 4 Figure 5 4 4 Gas connection Do not use the appliance gas supply to balance or support any part of the appliance Figure 6 Connection to a gas network may only be carried out by appropriately qualified persons The gas installation must comply with the rules in force using materials appropriate for gas installation To facilitate servicing the air heater must be fitted w...

Страница 21: ...side wall Avoid location in draughty areas or where it may be influenced by heat sources e g the sun process plant etc The thermostat or temperature sensor should be mounted on a vibration free surface and mounted about 1 5 metres above floor level Follow the thermostat manufacturers fitting instructions The thermostat must be suitable for switching 230 volts AIR DISTRIBUTION VRC 3 air heaters are...

Страница 22: ...riod has elapsed the integral ignitor and multi functional gas control operate The ignition spark ignites the gas creating the burner flame which is detected by a flame rod sensor If a burner flame is not detected the ignition controller proceeds to lock out and requires manually resetting Lock out is indicated by the red warning light on the air heater If the first reset is not successful wait 15...

Страница 23: ... control valve Connect a manometer to the test point see figure 7 Adjust the room thermostat to call for heat e g above room ambient temperature Observe the burner gas pressure on the manometer and compare to the required pressure If necessary adjust the burner gas pressure only for natural gas Remove the cover screw Turn the regulator screw anti clockwise to decrease pressure or clockwise to incr...

Страница 24: ...ter Ensure they are not placed where they may restrict the airflow from the heater or where they may catch fire from a hot surface Advise the person who is resuming responsibility that for continued safe operation the air heater should be serviced at least once a year SERVICING INSTRUCTIONS IMPORTANT Only appropriately qualified persons may carry out servicing and fault finding on this gas fired e...

Страница 25: ...to remove all external dirt Check the security of the fan on the motor Note Fan motors are lubricated for life and do not require lubricating 4 Remove any dirt and or grease that may have accumulated on the venter fan motor and its housing Note The combustion air fan motors are lubricated for life and do not require oiling or greasing 5 The gas multi functional control valve requires no field main...

Страница 26: ...operating instructions a copy of which is supplied with the air heater Fig 10b Fitting the ignitor 8 4 Multi functional gas control valve 1 Ensure gas supply to the air heater is turned OFF 2 After the air circulation fan has stopped switch OFF the electricity supply to the air heater 3 Mark for future identification and disconnect the wires connected to the valve 4 Disconnect the gas service unio...

Страница 27: ...ricity supply to the air heater 3 To gain access to the fan open the hinged controls compartment access door refer to figure 9 for location 4 Mark for future identification and disconnect the wires connecting the fan motor at the terminals on the main wiring junction 5 Remove combustion air fan and clean as necessary using a wire brush and solvent to remove sticky residues 6 Re assemble and check ...

Страница 28: ... dirty Determinewhat causedthe limit totrip Placeintonormal operation Check themains Check thetime tempeature control Is therecontinuitybetween 9 10 Is there230Vbetween 11 12 Is power ventingoperating Reset limit control Check venter motor Replacepressureswitch Isthethermostat above roomtemperatureandif usedisthetime clock ON Set thermostat aboveroom temperature if usedmake certainthetimeclock is ...

Страница 29: ... pressure During 5 trial for ignition is a spark visible Check electronic ignition control Check spark gap and ceramic check spark wire connector Is a spark visible Check flame signal Is it greater than 1 0 micro Amps Check flame signal using micro amp meter Is signal greater than 1 0 micro Amps During 5 trial for ignition is a flame visible in ths view port Correct polarity Does the inlet gas pre...

Страница 30: ...r distribution device been placed on the heater Is there excessive static pressure in the ductwork Did the motor overload trip Does the fan control energize the fan motor in less than 75 Adjust thermostat temp setting above ambient to energize fan gas solenoid valve Replace the motor Consult fan fault finding Does the limit trip before the fan is energized Place system in normal operation Consult ...

Страница 31: ...RC 45 3 01 27202 ERP blower VRC 60 3 01 27203 ERP blower VRC 75 3 01 27204 ERP blower VRC 100 3 01 27205 Settings PARTS LISTING GAS CONVERSION VRC 3 air heaters are designed to operate on natural or propane gas and will be supplied fitted for the gas type ordered In the event of site conversion to a different gas type it is necessary to convert the gas burner and burner controls Affix new data pla...

Страница 32: ...room thermostat calls for heat after about 30 sec 6 If the appliance does not light a check that the burner control does not require resetting An indicator light glows at the inside panel of the appliance and on a remote control if fitted Reset by pushing reset button inside the appliance or the remote control b check if thermal overheat control requires resetting 7 If the thermal overheat control...

Страница 33: ...ing and itching of the skin Fiber entry into the eyes will cause foreign body irritation Inhalation will cause irritation to the respiratory tract Precautions Wear protective gloves when handling People with a history of skin complaints may be susceptible to irritation Dust levels are only likely when the material is abraded In general normal handling and use for this purpose will not present disc...

Страница 34: ...irective Complies with the requirements of further directives namely GAD 2009 142 EC EMC 2004 108 EC LVD 2006 95 EC the following harmonized standards have been applied EN 1020 Non domestic gas fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW incorporating a fan to assist transportation of combustion air and or combustion products The following notifie...

Страница 35: ...1384 489 250 www ambirad co uk Registered in England N 1390934 Registered office 10 Norwich Street London EC4A 18D Nortek Global HVAC is a registered trademark of the Nortek Global HVAC Limited Because of continuous product innovation Nortek Global HVAC reserves the right to change product specification without due notice ...

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