NECTA SPA TECHNICAL MANUAL “BRIO 250”
Service Manual: Brio 250
Edition 02-2002
20
/ 27
10 - POWDER AND LIQUID DOSE TABLES
Factory “default” settings
Selection
Notes Coffee
beans
Coffee
Instant
Water
c.c.
Powder
g
Sugar
g
Notes
Short coffee
Espresso
Time
Quantity
2 sec.
7 g
- -
35 sec.
60
cdv
40
- -
7.5 g
CDV
=
Flow-meter
pulses
Long coffee
Time
Quantity
2sec.
7 g
- -
38 sec.
95
cdv
60
- -
7.5 g
Coffee
with milk
Time
Quantity
2sec.
7 g
- -
38 sec.
60 + 35
cdv
40+25 c.c.
- -
2.0 g of milk
7.5 g
Cappuccino
Time
Quantity
2 sec.
7 g
- -
45 sec.
60 + 72
cdv
40+55
6.0 g of milk
7.5 g
Instant coffee
(Instant version)
Time
Quantity
--
1.3 g
22 sec.
55
cdv
40 c.c.
- -
7.5 g
Instant coffee
Long
Time
Quantity
--
1.3 g
23 sec.
72
cdv
55 c.c.
- -
7.5 g
Instant coffee
with milk
Time
Quantity
--
1.3 g
27 sec.
55 +35
cdv
40 + 25 c.c.
2.0 g of milk
7.5 g
Cappuccino
Instant
Time
Quantity
--
1.3 g
31 sec.
55 + 72
cdv
40-+55 c.c.
6.0 g of milk
7.5 g
Chocolate
Strong chocolate
Time
Quantity
--
--
32 sec.
116
cdv
90 c.c.
23 g
27 g
--
Instant tea
(Optional)
Time
Quantity
--
--
32 sec.
116
cdv
90 c.c.
12.5 g
--
Milk
Time
Quantity
- -
- -
32 sec.
116
cdv
90 c.c.
8 g
7.5 g
NOTE 1
The water flow in the mixers is approximately 10 c.c. per second and it is given as an indication, as there are
many variables that can affect the accuracy.
The liquid dose is determined by the counting of flow-meter pulses (cdv).
The Espresso version uses an electromechanical vibration pump for the water flow; therefore the liquid dose in
both versions is measured in flow-meter pulses (
cdv
).
NOTE 2
To be noted that the number of pulses does not change in a linear manner (i.e. double the amount of water does
not correspond to double the number of pulses), however the counter varies the accuracy according to the water
flow velocity, and namely:
For espresso coffee the volumetric counter is slowed considerably because of the coffee compress reaction that
slows down the water flow, triggering the by-pass, while it is accelerated in the instant drinks selections, since
there are no obstructions to the water flow. Therefore, in the event of changing the default doses set at the
factory, some measurements must be made using graduated measuring containers to check the accuracy of the
doses.
In the instant version, water is delivered to the mixers from the open-top boiler by means of gravity solenoid
valves, and the dose is calculated in tenths of a second, based on the valve rated flow (on average, set to 10-12
c.c. /sec.).
