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Nortek Reznor VRA-4E Series, Installation, Commissioning, Servicing

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Nortek Reznor VRA-4E Series Installation, Commissioning, Servicing Download Page 25

1712VRA

‐

4EGBEN,

 

pag..

 

25/25

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 

NORTEK

 

GLOBAL

 

HVAC

 

(UK)

 

LTD

 

Fens

 

Pool

 

Avenue

 

Brierley

 

Hill

 

West

 

Midlands

 

DY5

 

1QA

 

United

 

Kingdom

 

 

 

Tel.

 

01384

 

489

 

250

 

Fax.

 

01384

 

487

 

707

 

[email protected]

 

www.reznor.co.uk

 

 

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

 

Summary of Contents for Reznor VRA-4E Series

Page 1: ...ng Leave it with the user or attached to the appliance or gas service meter after installation WARNING Improper installation adjustment alteration service or maintenance can cause property damage inju...

Page 2: ...ir Pressure Switch 8 7 Combustion Air Fan 9 0 FAULT FINDING p 17 10 0 PARTS LIST p 20 11 0 GAS CONVERSION p 20 12 0 USERS INSTRUCTIONS p 21 13 0 HEALTH SAFETY STATEMENT p 22 HAZARD INTENSITY LEVELS DA...

Page 3: ...odels have an axial fan for air delivery These heaters are designed for overhead suspension and are suitable for indoor installation only installed at an operation ambient temperature between 15 C and...

Page 4: ...pressure G20 natural gas Inlet pressure 20 0 mbar Table 2 Injector size and burner pressure G20 natural gas Inlet pressure 20mbar Table 3 Injector size and burner pressure G30 G31 butane propane Inle...

Page 5: ...0 151 759 73 808 301 1022 479 477 82 180 608 833 212 212 123 942 550 3 4 G 120 1750 980 846 130 67 1100 164 602 177 1057 348 490 90 175 595 795 160 256 20 1365 770 3 4 G 145 1750 1150 846 130 67 1100...

Page 6: ...r for the appropriate protection grill IP20 dia130 PN 02 25094 Each heater installed as a type C appliance must be fitted with an individual combustion air flue pipe system Only systems specified by t...

Page 7: ...outlet socket for flue pipe 2 Combustion air inlet opening Follow any flue pipe manufacturers installation instructions for making joints including connections to the air heater for passing through a...

Page 8: ...l modify the air throw pattern achieved In building having low heat loss where single heaters are required to cover a large floor area and in buildings with high ceiling heights air re circulation fan...

Page 9: ...ir 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 Fittin...

Page 10: ...he appliance for long enough to ensure that lock out does not reoccur suggest 5 minutes Fix all electric cables and installer s wiring to the control panel and ensure they do not touch the combustion...

Page 11: ...ed adjacent to the air heater 6 2 Gas connection ATTENTION NEVER USE A FLAME FOR CHECKING GAS SOUNDNESS Only persons formally qualified to work on gas fired apparatus may carry out commissioning and t...

Page 12: ...rried out Ascertain from section 1 of this document and the appliance data plate the correct operating gas pressure for the air heater Turn the room thermostat control to its lowest setting Remove the...

Page 13: ...onds after the burner has lit the time delay relay will activate the thermal fan control which will energize the fan motor Continue to operate the air heater for several minutes to ensure correct oper...

Page 14: ...soot deposits from the burner with a wire brush Clean the ports with a degreaser or acetone A vacuum cleaner or compressed air may assist in this cleaning operation Wipe the inside of the burner tube...

Page 15: ...valve 6 At the burner rack assembly remove the nuts that secure the burner manifold to the burner rack Lift the burner rack manifold assembly upward and pull the assembly out of the air heater Instru...

Page 16: ...ontrol operating valve is the prime safety shut off All gas supply lines must be free of dirt scale etc before connecting to the air heater thus ensuring positive closure of the control valve 8 5 Comb...

Page 17: ...7 25 FAULT FINDING Fault finding may only be carried out by appropriately qualified persons Air heater does not operate and lock out indicator light is off Air heater does not operate and lock out ind...

Page 18: ...1712VRA 4EGBEN pag 18 25...

Page 19: ...1712VRA 4EGBEN pag 19 25...

Page 20: ...Gas valve modureg 120 145M 03 25144M Burner relay E 03 25321 Ignition electrode ER 03 400US 42 Ignition electrode ER 120 145 05 25186 Flame sensor electrode IS 03 401US 195292 ERP fan 12 01 27003 ERP...

Page 21: ...lly when the 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...

Page 22: ...suffer reddening 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...

Page 23: ...tive Complies with the requirements of further directives namely GAD 2009 142 EC EMC 2014 30 EC LVD 2014 35 EC the following harmonized standards have been applied EN 1020 Non domestic gas fired force...

Page 24: ...mum capacity pl 80 9 77 7 76 2 76 2 77 6 79 0 76 2 77 8 77 7 78 6 79 6 Envelope loss factor Fenv 0 0 0 0 0 0 0 0 0 0 0 Ignition burner power consumption Pign kW 0 02 0 02 0 02 0 02 0 02 0 02 0 02 0 02...

Page 25: ...A United Kingdom Tel 01384 489 250 Fax 01384 487 707 reznorsales nortek com www reznor co uk Nortek Global HVAC is a registered trademark of the Nortek Global HVAC Limited Because of continuous produc...

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