Expobar BREWTUS IV Owner's manual

EXPO

BAR

BREWTUS IV

Supplemental Instructions

for all

Expo

Brewtus IV machines

Rotary Pump

(IV

, Vibration Pump

(IV)

Plumbable Vibration Pump (IV

www.wholelattelove.com

888.411.5282

Congr

atulation

on the purchase of your new Brewtus

. The Expo

Brewtus

is a

very unique machine that is designed to provide you with the ultimate in brewing

temperature control and

there

fore, the best coffee extraction

Please read both the manufacturer

’s

instructions

as well as these supplemental

instructions

thoroughly before you start brewing.

Note:

Do not plug in the machine or perform any other start

up procedures until

you’ve read the

instructions.

Both boiler

must be primed

upon

start up or t

he heating

element in the bre

boiler

may be damaged.

Upon s

tart

make sure

the brew

group lever

is raised to

the up

position until water comes out of the brew group.

The steam boiler will fill on its own

using the machine

’

s controls.

Index

Unpacking

the Machine

Controls and Programming

Water and D

rain Line Connections

Incoming Water Pressure

Brew Pressure Adjustments

Accessories

Initial Start

Up Instructions

Water Softener Instructions

Coffee Preparation

10.

Advanced Brewing and Operational Techniques

11.

Steaming and Frothing

12.

Dispensing Hot Water

13.

Cleaning the Brewing Components

14.

Cleaning the Housing

15.

Trouble Shooting Guide

16.

Recipes

17.

Coffee Education

and Terminology

18.

Cautions

Unpacking the machine.

The Brewtus

IV is a very heavy machine

(over 60lbs

)

so please use

cau

tion

when

unpacking the unit

To remove the Brewtus, turn

the box upside down, open the bottom

four flaps,

then

turn the box right

side

up and lift the box straight up. Then

lay the

machine down on its side and remo

ve the top layer of foam. C

arefully remo

ve the

machine from the bottom layer of foam. It is easier to have a second pers

on helping you

with the removal process,

as the machine is heavy and the bottom layer of foam may

stick to the machine.

Controls and Programming

Control Lever

Main Power Switch

PID Control Pane

Steam Boiler Light

Hot

Water Knob

Hot Water Wand

Steam Boiler

Pressure Gauge

Burn Steam Wand

Steam Boiler On/Off

Switch

E61 Brew Group

Cup Warmer and Reservoir A

ccess

for

ewtus

odels

quipped with a

Water R

eservoir.

Removable Drip

ray

Portafilter handle

Brew Pressure

Gauge

Steam Knob

Control Lever

The lever on the front of the machine controls a valve inside of the brew group and it

also controls the pump for brewing. The lever has three positions

raised, mid

level

and

lowered

Raised

: When in the up position

the pump

turns on for brewing and the valve

inside the brew group opens and allows water to flow over the coffee.

Mid

Level

This position is o

nly used for

coffee pre

infusion.

Do not leave the

lever in the middle position when

the machine is not in use or

idle.

hen

the

lever is

in the middle position

, the pump is

off but the pressure in the brew

group has not been released

so do not remove the portafilter.

Lowered

: When the lever is lowered, the

pump

off and any water pressure

left on the coffee is released

and deposited into the drip tray through the tube

the bottom of the brew group.

Always

set

the lever to the down position

before removing the portafilter from the brew group

Main Power Switch

The main power switch is located on the top left side of

the front of the machine.

When turned on

the

Brewtus

will automatically start heating up and the water level

control system will

ensure

that the steam boiler is full of water. Note: When the main

power switch is turned on

, the pump may activate

for a few

seconds

even if the steam

boiler is full.

Steam B

oiler Switch

When in the

OFF

position

the steam boiler will

be inactive

. Only the brew boiler will

heat up. This will allow for a quicker

warm

up for when you only want to brew.

Steam Boiler Light

This

light goes on whenever the heating elem

ent in the steam boiler is on.

It is

perfectly normal for this light to go on and off with or without any discernable pattern

when the machine is in use.

Steam Pressure Gauge

This pressure gauge shows the pressure i

nside the steam boiler. The pressure come

set from the factory at

1.3 to 1.4

Bar

. This is the proper boiler pressure and there

should be no need to make any adjustments. The needle on the pressure gauge will go

down during steaming

and

quickly rise up as

the steam boiler heating element is

activated.

Brew Pressure Gauge

This pressure gauge

display

the current

brew pressure.

Steam Knob (Left

ide of

achine)

When this knob is turned counter clockwise

the steam valve is opened

and high

pressure steam

ill

be dispensed

through the steam wand.

Hot Water K

nob (

Right Side of M

achine)

When this knob is turned counter clockwise

hot water and some steam

will be

dispensed through the

hot water wand.

Note

Exercise

caut

ion when using this

function;

boiling

wat

er exiting from the hot water wand can cause severe burns.

Steam Wand

Use this wand for fr

othing and steaming your milk.

The

burn wand has been

insulated to remain cool to the touch

E61 Brew Group

The brew group will become very hot

. A

lways use caut

ion while working with the

machine.

Optional Bottomless Portaf

ilter with a triple shot basket.

(Not included with machine)

Control Panel with PID Temperature Control

PID controller was

designed a

programmed

exclusively

for the Expo

Brewtus. Fahrenheit temperatures are

adjustable

one

degree

increments.

The

PID control

display

the

brewing temperature

and can be

used t

o adjust brew

boiler

temperature. It does not a

ffect

the steam boiler

which is controlled by a pressure stat.

Display functions:

Upon

start

the digital displ

ay will show

the current brew boiler

temperature,

minus an offset factor.

The small LED light will blink

as it sends power to the brew boiler.

Note: The steam boi

ler heats up first, which

will take about 8 to

minutes

Afterwards, the brew boiler wil

l turn on. Both b

oilers will not operate at the same

time.

Changing the Brewing Boiler Temperature

Push and release the “Down Arrow” (left button), the display will

show

“PRG.”

Push the “Up Arrow” and release. Then

, press

the UP

and

DOWN

arrows to

set

to your desired temperature.

It may take up to 5 or 10 minutes before the

new temperature is achieved.

To Turn off the Brew Boil

(the only reason t

o do this is if you just want to

steam milk

or dispense hot water

without brewing

)

Press

the UP arrow

or 2 seconds

;

the display

will

show “Off.”

To turn the brew boiler

back on

push

and hold the

UP arrow

for

seconds.

Steam boiler adjustments

We do not recommend maki

ng any adjustments to the

steam

boiler pressure. It is set to cycle between 1.2 and 1.4

Bar

Down Arrow for Temperature Control Adjustment

Boiler Temperature

Display

Up Arrow for Temperature Con

trol

Boiler Operation Light

Water and Drain Line Connections

Water Line Connection

s for

Brewtus

Models Equipped

with

Rotar

y pump

Vibration Pump with P

lumb K

The water line supplied with the machine is 3/8” braided stainless steel

and it

may vary in

length

ill

include

a 3

8”

male

flair

fitting

for you to hook onto

Depending on your

water quality

you may want a good water f

ilter to condition your water, which will

help

with machine longevity. The taste of the coff

ee is affected by your water.

Drain Line Connection

(On Brewtus

with Drain L

ine)

drain line measu

res 57” long from the drain pan. It

has an in

side diameter of 3/4

”

and an outside diameter of

7/8

”. You will want to have an open dr

ain line stand pipe

for it to drop into.

he end

the drain line

should not

be below the surface of the

water in the stand pipe or it may back up.

The drain pan supplied does not have a hole

it because many customers do not want to hook up the drain line

. If yo

u hook up a

drain line, drill a 1/4

” hole in the center of the drain pan.

Water line Adapter:

The machine comes equipped with a braided stainless steel water line. Included is a brass

adapter that has a 3/8” male flair fitting. You will nee

d to use a 3/8” female flair fitting to

hook up to it.

Brewtus IV

with Plumbing K

and Reservoir

The Br

ewtus IV

can be used

either with a water line hookup or the included reservoir.

There is

lever on the bottom of the machine that you ca

n use t

o alternate between the

plumbed line and water reservoir

The machine will be shipped from Whole Latte Love

ready to use with the reservoir. If you want to use it with the water line hook up

, you will

have to move the control lever

and

the wires on the Mic

ro Switch that senses the weight

of the reservoir

as shown below.

Turn this lever forward for water line

connection and

back for reservoir

connection. (T

he image below shows

it set up for a water line).

The flexible drain

line that was

supplied with the

machine sli

des over

this fitting.

To access the micro

switch under

the

reservoir remove the housing (5

screws) and the reservoir holding

plate

o Philips head screws and

two 3

mm A

llen screws)

UNPLUG the

machine when

performing any of

these functions

Two 3mm

Allen screws

Reservoir

holding plate

Incoming Water Pressure

Rotary Pump Machines

The Br

ewtus IV

is designed to be used with a water line connection.

The pump will

work fine off any standard

incoming water pressure.

The water line can be dropped into a

water container

if you like

but you must be careful not to let it run dry as it coul

damage the pump.

Before we ship the machines

we set the brew pressure to 9

Bar

at an

incoming pressure

of 40 PISG.

If the incoming pressure is higher

than 40 PSIG

the brew

pressure may have to be adjusted down

;

if it is lower

the pressure may have to be

adjusted

Note: When using the water line

connectio

we highly recommend that you also hook

drain line.

Vibration Pump Machines:

When using

a vibration pump

machine with a water line connection

we recommend

installing

a pressure reducer.

The machines will run on incoming water

pressure from 5

PSI to 50 PSI.

The incoming water pressure wil

l have

an e

ffect on the brew pressure

. We

set the brewing pressure to be at 9

Bar

. To do this

we set the OPV to maintain 10

Bar

pressure wh

en the backflush disc in place.

If you have higher incoming water pressure

you

may have to adjust the brew pres

sure down. See below for instructions.

Note:

higher the incoming wat

er pressure the more water

will be diverted into the drip tray via

the brew

pressure control (OPV) valve

and

the more you will have to empty the dr

ip tray

if you are not using the drain line connection. When using the water line connection

highly recommend that you also hook a drain line to guard against

the drip tray

overflowing.

Wire location for

reservoir operation

Wire location for water line

hook

Brew Pressure Adjustments

Rotary Pump

CAUTION: Adj

usting the

pump pressure can be

time consuming and since it is very

close to the electrical connection on the boiler

we recommend that all adjustment are

done when the machine is not plugged in.

Note: We recommend that the Rotary pump be set to 9

Bar

with the back

flush disc

in place

. T

he OPV should be set to open at 11

Bar

Adjust

ing

the Pump P

ressure:

Adjust the pump pressure by loosening the lock nut then

turning the adjustment screw. Turn the adjustment screw clockwise to raise the pressure

and counter clockw

ise to lower the pressure.

Set

ting

the Brew Pressure:

Turn the adjustment screw counter clockwise to lower the

pressure and clockwise to raise it. Betw

een adjustments

lower the lever on the brew

group to release the pressure. Make your adjustment with the machine unplugged and

then plug it in and test your setting. When you have the pressure adjusted

, tighten the

lock whi

le holding the adjustment screw

in place or it may turn and change the setting.

Set

ting

the OPV:

We set this before your machine has shipped. To set the OPV

you

will have to run the machine with the backflush disc in place. First

, raise the brew

pressure to 11 Bars

. Then

with the pump running

turn the

adjustment screw on the OPV

so that it just starts to

let water flow out of the over

flow

tube. It is now set to open at 11

Bars

View of Rotary Pump

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