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Form 44201129 

Oct 2019 rev A

  

14 

12.0)

 

 REPLACING COMPONENTS 

 

IMPORTANT:  Disconnect gas and electricity supplies to the appliance (and system) before carrying out any 
repair work.  This work can be carried out at high level using a purposes designed access tower, but it is 
preferable that this work should be carried out at ground level. 

 
1.      Exhaust Fan 
 

A.

 

Type 1 Fan. 

 

B.

 

Remove the cover from the Exhaust Fan terminal housing and remove the electrical leads. 

 

C.

 

Disconnect the flue from the fan outlet. 

 

D.

 

Slacking the screws of the Torctite Coupling securing the Fan Connector to the Manifold Tube and draw the 
Fan Assembly off the Manifold Tube. 

 

E.

 

Remove the Fan Connector (inlet) and Flue Adaptor (outlet) from the fan. 

 

F.

 

Type 3 Fan. 

 

G.

 

Remove the cover from the Exhaust Fan terminal housing and remove the electrical leads. 

 

H.

 

Disconnect the flue from the fan outlet. 

 

I.

 

Slacking the Hose Clips securing the Fan Connector to the Manifold Flexible Coupling. 

 

J.

 

Remove the screws securing the Exhaust Fan to the Mounting Bracket and draw the Fan off the Manifold 
Tube. 

 

K.

 

Remove the Fan Connector (inlet) and Flue Adaptor (outlet) from the fan. 

 

Note: When re-assembling the Fan Connector and Flue Adaptor, new gaskets must be fitted between them 
and the Fan Case (inlet) and Fan Outlet Flange. 

 
 

12.1)

 

REPLACEMENT PARTS LIST 

 
 

The following is a list of replacement parts which may be required during the life of the appliance. 

 
 

Part 

 

 

 

Part Number 

 
 

Gasket (Type 1 Fan Inlet)   

4260506 

 

Gasket (Type 1 Fan Outlet) 

4260507 

 

Gasket (Type 3 Fan Inlet)   

4260508 

 

Gasket (Type 3 Fan Outlet) 

4260509 

 

Damper Assembly 

 

4250789 

 

 

Fan (Type 1) 

 

 

4262255 

 

Fan (Type 3) 

 

 

4262254 

 

 

 
 
 
 
 
 
 
 
 
 

Содержание ADL25-HB

Страница 1: ...ICE INSTRUCTIONS ARE INCLUDED IN THE SEPARATE MANUALS SUPPLIED WITH EACH HEATER Models LRU25 HB LRU30 35 40 45 HB LRL25 HB LRL30 35 40 45 HB ADU25 HB ADU30 35 40 45 HB ADL25 HB ADL30 35 40 45 HB Gas F...

Страница 2: ...tem Exhaust Manifold 4 5 0 Gas Supply 6 6 0 Electrical Supply 6 7 0 System Ventilation 8 7 1 Flue Size 9 8 0 Damper Assembly Attachment Linear Models 9 8 1 Damper Assembly Attachment U Tube Models 10...

Страница 3: ...e that the burner is correct for the gas type in the building 3 0 GENERAL INFORMATION This heater is a self contained infrared radiant tube heater designed for use where flammable gases or vapors are...

Страница 4: ...lity of exposure to volatile and low flash point materials exists it could result in property damage or death This heater must not be installed in a spray booth where the heater can operate during the...

Страница 5: ...rm with the plan provided 2 For suspending the manifold it is recommended that suitable protected welded chain 3mm x 65links m stainless steel flexible wire or similar and manifold tube hangers be use...

Страница 6: ...condensate trap 15mm PVC or galvanised not copper should be U shape with a minimum depth of 250mm and with the outlet connected to a drain Fan Type 1 Fig 5 4 For fan type 3 Part No 4262254 which are...

Страница 7: ...to national or Local Regulations to connect the appliance to the gas supply Minimum size to be 12 7mm bore 3 LPG G30 G31 at 29 37mbar nominal supply pressure appliance cat 3 Maximum supply pressure Pm...

Страница 8: ...atively connection may be made via a fused 3 pin plug and un switched shuttered socket both complying with the requirements of National or Local Regulations Neither thermostat nor switch are supplied...

Страница 9: ...elow the level of the heater s Up to and including 60kW 4 5cm2 kW Over 60kW 270cm2 2 25cm2 kW in excess of 60kW total rated heat input Where the air supply openings can be closed it shall only be poss...

Страница 10: ...n the Control Box Air Inlet and any rigid ducting and be secured to the Air Inlet with hose clips The maximum length of ducting should be 15m with a maximum of two 900 bends Where outside combustion a...

Страница 11: ...Coupling up to the stop and is positioned with the adjustable slide flange at its lower edge Tighten the nuts of the Torctite Coupling to secure the Damper Assembly to the Radiant Tube taking care to...

Страница 12: ...holes 5 5mm through both the tube and fittings one hole to be at 12 o clock to prevent possible leakage of condensate and rivet the tube to the fittings 5 x 6 pop rivets Fig 11 10 0 COMMISSIONING Insp...

Страница 13: ...hing on the electricity supply to the system control and setting the time switch and thermostat to demand heat Carry out the procedures at 5 and 6 on each of the appliances in the system 5 Connect a s...

Страница 14: ...nt servicing may be desirable IMPORTANT A Do not rest anything especially ladders against the appliance B Gas and Electricity supplies must be isolated before commencing servicing work or replacement...

Страница 15: ...fan F Type 3 Fan G Remove the cover from the Exhaust Fan terminal housing and remove the electrical leads H Disconnect the flue from the fan outlet I Slacking the Hose Clips securing the Fan Connecto...

Страница 16: ...occurs switch off the electricity supply to the zone or system fan wait for 10 seconds before switching on the electricity supply to the zone or system fan to repeat the ignition sequence It is not po...

Страница 17: ...Form 44201129 Oct 2019 rev A NOTES...

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