LF Bros E Series Leitfaden

LF Bros Air Heater





www.lfbros.co.nz

For spare parts or additional accessories, please visit our website.

Table of Contents
․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․
․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․
․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․
․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․
 ․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․!
․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․
"#․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․!
!$․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․
%&'․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․․"
Inovation
•CAN bus communication
•Constant temperature & Intelligent frequency conversion
•Flameout protection
•Anti-electrop oresis function
•Auto-ranging power supply
•Ignition test under low temperature −40˚C
Please read carefully and keep at a safe place.
THIS MANUAL DESCRIBES ITS STRUCTURE AND INSTALLATION INSTRUCTIONS. 
PLEASE READ THIS MANUAL CAREFULLY BEFORE INSTALLING AND USING, AND 
ENSURE THE CORRECT USE OF IT. PLEASE SAFEKEEP AFTER READING.
Attention:
•THE MANUAL CONTENTS MAYBE HAVE SOME CHANGE, WITH NO SPECIAL 
NOTIFICATION, BUT THE MANUAL IS IN ACCORDANCE WITH THE PRODUCT.
•WE TRY TO EXPRESS CLEARLY EVERYTHING THAT USERS HAVE TO 
LEARN. PLEASE CONTACT US DIRECTLY IF YOU HAVE ANY PROBLEM OR 
GOOD ADVICE.
•AFTER OPENING THE PACK BOX FOR THE FIRST TIME, PLEASE CHECK THE 
MAIN EQUIPMENT AND SPARE PARTS ACCORDING TO THE PACKING LIST.
•IF THERE IS ANY PROBLEM, PLEASE CONTACT THE DISTRIBUTOR QUICKLY.
•IF MALFUNCTION HAPPENS DURING THE USE, PLEASE CONTACT THE 
MARKETING DEPARTMENT OR THE SERVICE STATION THAT WE 
AUTHORIZE.
(%

•WE WILL SERVE YOU WHOLEHEARTEDLY.

•PLEASE KEEP THE WARRANTY CARD CAREFULLY, AND GIVE THE

FEEDBACKS ACCORDING TO THE TERMS. THIS WARRANTY CARD IS THE

ONLY VALID CREDENTIAL OF AFTER-SALE SERVICE.

CE E9 EAC

(%

0 Packing list

')*+,

No. Name Specification Unit Quantity

 &- .(./(/(/  

 &  

 0 .(.1%(2  

 * 3"(4  

 567  

" &  

! 0  

% 0$$  

4 * 38"  

 9: 38"  

 *' 3"(48"  

 ;  

 ;  

  3%  

 0:): 3!  

" 0   

! < &"  

% )=' >8  !

4 <?$   

 34' 3%@3  

 9:  

 0  

(%

1 Overview

-)1))'2

))'$?=> )$'?1A

:2''=''>

6''

$??)

'$$

)?

$'B

?>?'A$'

A$

'

>

'0>>

)??

''?

'??

)?'$?'>

2 Technical para eters

))$)>

' 3 kW 12 V 5 kW 12 V 3 kW 24 V 5 kW 24 V

0 7

 =/ =/ =/ =/

C' . .

0 >@>(

C' /C&1>/2

/C&1/2

/C&1/2

/1())2

1$2 DE6FE6

/)- >

7 !88

(%

Fig. 1 Heating system

3 Structure

3.1 Main heater body

)'$'0>>

3.2 Case

0>>;')))1

)$=)2')'

')$'$?:>

3.3 Controller (circuit board)

''))>*)

?')')

')))'=

''>

3.3.1 Control of Working Procedures

*'G')''?

1→ →'2))'))

)-?))=)))')H

'-$'''

))))

$)):''>

"(%

Fig. 3 Case

> '

> $'

> 

> '

Fig. 2 Heater body

> :

> '=

> $'

3.3.2 Fault Lock

?'')

?)',

> B$'B?)$'>

> ))'>

> ):H)$>

))))

''>

3.3.3 Circuit Interfaces

))$)'

10>2,

•I)(H

•I)

•I))

3.4 Sensors and Safety Protection

3.4.1 Fla e Sensor (that's the Glow Plug)

)>/H

))?'$>

''')'> 

'''H$?>

3.4.2 Overheating Sensor

'''):>

/:AJ6)))

)?''?

)>

3.4.3 Te perature Sensor

'''

''

)$)'G>

!(%

Fig. 4 Circuit interfaces

Fig. 5 Installation

3.5 Power Supply

?B$)>/

?')'1'2

?)>

3.6 Fuel Supply

)'$?$'$?)>0'?')

?'G)>

4 Installation

?$'))>

0>')>

> +

> &

> 0'

> 0$:

> ')

"> 6

!> 6)I4

%> 0

4> 0

> 0

> 0

> '

> 0

> *

> *

"> *:

!> &"

%> K

4> 9::

> 9:

> 9::

> 0

':?)??)'))?)$

$)')?-)>

??)?$?>

%(%

4.1 Require ents for Installation

C-)')),

> 'H$:

$H$H$'>

> ''1

2'')':

)$>

> ''>

> )'=1'

''2$)'>

> &):>

?)''>

4.2 Installation of the ain equip ent

4.2.1 Where to install

-$''')>;'

''1'$?2'1)

2):)'$''>B$'

> )''$?''?

'-'>

4.2.2 Spacing require ents

H'?')-

$'')>))'$'

))0>">&)

$G$$))-'

))10>"=02>

Fig. 6 Spacing

4(%

*= )$'

;=)'

6= )$



7=7):

9=0

0=<=)

4.2.3 Sealing

K'?$-')

>*10>"2'$?)$''')

>)$> $

)->*)'

$''-

)&"''$?)?>-)$

"<F<>)0>!>

Fig. Sealing Fig. 8 Mounting plate

4.2.4 Mounting plate

))L>''>

$'$'?$'10>%2>

M'>

<,*$''>

4.2.5 Installation direction

')

0>4> 

$'$

:?4'$'

))

>

4.2.6 Check of fan wheel

*)$')$

)'')'>

(%

Fig. 9 Upright direction

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