Skutt KilnMaster Kilns Manufactured between 2000 and 200 Manuel d'utilisateur télécharger pdf (Page 9)

controller is plugged into a wall receptacle

which provides three phase voltage.

You will no longer need to use the three-

phase contactor box. However, an electri-

cian may need to wire a receptacle for the

controller if a three-phase contactor box

was used previously. You may need to

make other changes to the supply for kilns

not made by Skutt. Other manufacturers

may not use pilot cords. Please discuss

this with your distributor.

Thermocouple mounting. Skutt kilns

have a hole stamped in the stainless band

where the thermocouple flange should be

mounted This hole is located to the right

of the red switch boxes. You can see the

firebrick through this hole. The thermo-

couple flange is a metal tube approximate-

ly 5/8” in diameter and 1 1/2” long

attached to a metal washer.

1. Remove the thumbscrew from the

flange.

2. Align the thermocouple flange so that it

is exactly over the hole in the stainless

band. Position the flange so the thumb-

screw is on the top. Attach the flange to

the kiln using the two Phillips self-tap-

ping screws provided. Note: To start the

screws, lightly hit each screw with a

hammer until the point has pierced the

stainless steel band.

3. Insert a 1/4” twist drill or carpenter’s bit

through the flange holder. Slowly drill

through the kiln wall brick into the kiln

chamber as shown at right.

4. Insert the thermocouple into the kiln so

that 1-1/4” to 1-1/2” of the tip pro-

trudes into the kiln chamber. Tighten

the thumbscrew.

5. Uncoil the yellow thermocouple wire

that is hanging from the bottom of the

controller enclosure. Next, take the

receptacle on the end of the wire and

engage it with the two prongs on the

thermocouple which you mounted on

the flange in Step 4. There is only one

way the plug will engage the receptacle.

6. The controller is now ready for use.

If you are installing the thermocouple on a

kiln that is not marked for a thermocou-

ple, please follow these instructions.

1. Mark a 1/2 to 5/8” diameter hole on

the stainless jacket in the center of the

brick next to the Kiln-Sitter brick (one

brick to the right of the master switch-

box). Be sure placement is accurate so

that you do not drill through an ele-

ment. Do not drill yet.

2. Align the flange holder accurately over

the mark, positioning the thumbscrew

hole on top. Mark the position of the

small holes on the jacket. Push hard or

tap out with a nail and hammer the

small screw holes. Drill two 3/32” holes

for the smaller sheet metal screws. Drill

through the metal only. Install the flange

with the sheet metal screws provided.

3. Follow steps 2-6 above.

KILN SETTINGS

The kiln switches, Kiln-Sitter and limit

timer (if so equipped) need to be properly

set and adjusted for correct operation with

the controller. Please follow the instruc-

tions for the option(s) that apply to your

kiln.

Kiln-Sitter. The Dawson Kiln-Sitter is no

longer a control device when used with

the KilnMaster controller, but it can be

used as a backup safety device.

1. Place a Junior cone one or two numbers

hotter than the cone equivalent you pro-

gram into the KilnMaster to keep the

Kiln-Sitter from shutting off the kiln

early. For example, if you program a

Cone 5 (2156˚) firing in the KilnMaster,

place a Cone 6 or 7 Junior cone in the

Kiln-Sitter. Use your firing experience or

read the relevant sections of this manual

for more information.

2. Push the plunger in. Repeat this proce-

dure using new cones each firing.

Limit timer. If your Dawson Kiln-Sitter is

equipped with a limit timer, set the timer

for 20 hours (the maximum). Because the

KM-1 controller turns the power to your

kiln on and off to control the temperature,

the timer will only run intermittently and

will be useless. If you fail to set a maxi-

mum time each firing, the timer may shut

off the kiln early. You may want to dis-

connect the wires that operate the limit

timer to eliminate the bother of resetting

the timer each firing.

Switches. The switches on your kiln will

no longer be used to control the tempera-

ture rise inside your kiln. The KM-1 con-

troller now controls the heating rate.

Set all switches in your kiln to High.

(Exception: do not set the center section of

the 818-WR above 4. )

If you have questions, please call Skutt

Ceramics at (503) 774-6000.

Programming. Refer to the Quick Start

sections on Cone Fire and Ramp/Hold for

instructions on programming.

WALL MOUNT CONTROLLER

The KilnMaster contains many compo-

nents which cannot be replaced in the

field. Your Skutt distributor may be able

to replace cords, connectors and relays.

The thermocouple can be easily replaced

when needed:

1. Loosen the thumbscrew on the thermo-

couple flange and gently pull the ther-

mocouple assembly out of the kiln.

2. Discard the old thermocouple and plug

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Skutt KilnMaster Kilns Manufactured between 2000 and 200 Manuel d'utilisateur Page 9

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