background image

 

AAF, OAF, GSM, VMF 

 

 

C

IRCUIT 

D

IAGRAMS

 

 

Safety switches type A: two Door Switches in the element circuit in models up to 25A rating. 

 

Safety Switch type B: a single Door Switch in the contactor coiled circuit in models over 25A. 

7.1  AAF, VMF, GSM or OAF 11/1 single phase 

 

 

 

 

 

 

 

 

 

 

 

 

Supply light 

Instrument Switch

coil

thermocouple

temperature

controller 

overtemp.

controller 

safety

switch B

thermocouple

if fitted

contactor

 if fitted

 

Filter (if fitted) 

PE 

F2 

F1 

SSR

F3 

F3 

safety

switches A

heat 

on 

(s) 

for AAF 11/18 see 
diagram 7.4 

7.2  OAF 11/2 single phase 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7.3  Higher Voltages (e.g. 254V) 

 

For single phase models of 254V or above, a 
control circuit transformer is included as 
follows: 

 

 

 

 

MF06 

15 

Supply light

Instrument Switch

coil

slave 

controller 

overtemp.

controller 

safety

switch B

PE 

SSR

e

l

e

m

e

n

t

 

heat

on 

safety

switches A

F3 

F1 

F2 

F3 

Filter (if fitted) 

contactor

 if fitted

 

if fitted

reference t/c

thermocouple

thermocouple

 

heat 

on 

F3 

slave t/c

SSR

PE

L1

N

F1

F2

transformer 

F2

Supply light & 

Instrument Switch 

 

Filter (if fitted)

main 

controller 

Содержание CARBOLITE AAF 11/18

Страница 1: ...d to the electricity supply CONTENTS Section page 1 0 Descriptions 2 2 0 Installation 3 3 0 Operation 4 4 0 Maintenance 7 5 0 Repairs Replacements 8 6 0 Fault Analysis 14 7 0 Circuit Diagrams 15 8 0 F...

Страница 2: ...r flow through the chamber 1 3 GSM 11 7 This is a conventional muffle furnace with a Silica chamber This gives a cleaner environment than a standard ceramic muffle 1 4 VMF 10 6 The Volatile Matter Fur...

Страница 3: ...models and AAF 11 7 may alternatively be ordered for use on two phases out of a 3 phase with neutral supply The model AAF 11 18 may also be ordered for 3 phase supply see section 2 4 Check the furnace...

Страница 4: ...perature controller see the controller manual OAF 11 2 the slave controller should be set to an offset temperature of zero see 3 2 Overtemperature option only If the overtemperature controller has not...

Страница 5: ...AAF OAF GSM VMF 3 3 MF06 5...

Страница 6: ...used to heat materials which emit smoke or fumes regularly heat it up to maximum temperature for one hour without load to burn away the soot Materials such as case hardening compounds and other react...

Страница 7: ...respondence please quote the serial number model type and voltage given on the rating label of the furnace The serial number and model type are also given on the front of this booklet when supplied wi...

Страница 8: ...Guidance Note EH46 We can provide further information on request Alternatively our service division can quote for any repairs to be carried out at your premises or ours 5 3 Temperature Controller Rep...

Страница 9: ...AAF OAF GSM VMF 5 5 MF06 9...

Страница 10: ...section above which refers to the thermocouple colour coding Unfasten the electrical connections to the inner chamber brick box and remove the thermocouple and sheath see thermocouple replacement ins...

Страница 11: ...ermocouple cables from their terminal blocks Straighten all the element tails Note that these become brittle with use Unscrew the screws fixing the metal back piece from the inner chamber and withdraw...

Страница 12: ...at the furnace is controlling properly to rule out the possibility that the previous element failed because of a fault elsewhere in the control circuit 5 9 VMF 10 6 Element Replacement See section 5 2...

Страница 13: ...s good emission of some fumes may be expected 5 11 Fuse Replacement Fuses are marked on the circuit diagram section 7 0 with type codes e g F1 F2 A list of the correct fuses is given in section 8 1 De...

Страница 14: ...o lights glowing on the controller The SUPPLY light is ON The controller may be faulty or not receiving a supply due to a faulty switch or a wiring fault The SUPPLY light is OFF Check the supply fuses...

Страница 15: ...d PE L N F2 F1 SSR F3 F3 safety switches A heat on e l e m e n t s for AAF 11 18 see diagram 7 4 7 2 OAF 11 2 single phase 7 3 Higher Voltages e g 254V For single phase models of 254V or above a contr...

Страница 16: ...AAF OAF GSM VMF 7 4 16 MF06...

Страница 17: ...n t s e l e m e n t s N L L N L N thermocouple Fuses or EMC filters Supply Terminals Circuit no 3 Circuit no 2 N L N L N L3 L2 L1 N PE L Circuit no 1 3 phase neutral A model made to this diagram can...

Страница 18: ...Customer fuses Required if no supply cable fitted Recommended if cable fitted See rating label for amperage see table below for fuse rating Model Phases Volts Supply Fuse rating AAF 11 3 1 phase 200 2...

Страница 19: ...l 41 41 541 5877 Fax 41 41 541 5878 Email General Information Sales info kesn ch Accounts Department accounts kesn ch USA O ce 233 Rogue River Highway 425 Grants Pass Oregon 97527 5429 USA Tel 1 503 2...

Отзывы: