Saeco Nina Bar User manual
All parts of this document are the property of Saeco International Group.
All rights reserved. This document and all the information herein is provided without liability deriving from
any errors or omissions. Furthermore, no part may be reproduced, used or collected with the exception
of that authorised in writing or in accordance with a contractual agreement.
Rev. 00 / May 2010
Service Manual
Revision 00 May 2010
nd
all
the
information
herein
is
provided
without
liability
deriving
from
pr
an
r
o
p
ert
y
of Saeco International Grou
p
.
nd all the information herein is provided without liability deriving from
Page
1. Introduction
1.1 Documentation required 1
1.2 Tools and equipment required 1
1.3 Material 1
1.4 Safety warnings 1
1.5 Range 2
1.6.1 External machine parts 3
1.6.2 Internal machine parts 4
2. Technical specifications
2.1 Technical specifications 1
2.2 Descaling frequency 1
3. User instructions
3.1 Operation, cleaning and maintenance 1
4. Operating logic
4.1. Water circuit 1
4.2.1 Wiring diagram 3
4.2.2 Electrical diagram 3
4.3 Filter holder 4
4.4 Spherical cappuccino maker and nozzle 4
4.5 Flow meter 5
4.6 Anti-scale filter 5
5. Troubleshooting
5.1. Causes and solutions 1
6. Standard inspections
6.1 Repair schedule 1
6.2 Service schedule 1
6.3 Final inspection 2
7. Disassembly
7.1 Outer elements 1
7.2 Controls support 2
7.3 Boiler support assembly 2
7.4 Pump 2
7.5 Boiler thermostats 3
7.6 Boiler 3
7.7 Shower and valve 3
7.8 Steam pipe 3
7.9 Oetiker clamps 4
8. Notes
Contents
SAECO Rev. 00 / May 2010 MANUAL MACHINES
SAECO Rev. 00 / May 2010 MANUAL MACHINES
CHAPTER 1
INTRODUCTION
MANUAL MACHINES 01 INTRODUCTION
SAECO Rev. 00 /May 2010 Page / 04
1.1 Documentation required
The following documentation is required for repairs:
Instruction booklet of the specific model• Technical documentation of the specific model (diagrams, exploded drawings)•
1.2 Tools and equipment required
Besides standard equipment, the following tools are required:
Qty. Description Notes
1 Screwdriver
1 Pliers for Oetiker clamps
1 AC - DC - Vdc tester
1 Digital thermometer Scale Limit > 150°C
1 SSC (Saeco Service Center) Programmer
(for programming and diagnosis mode)
1 Allen wrench
1 Hexagonal spanner
1.3 Material
Description Notes
Thermal grease Thermal resistance > 200°C
Descaler Saeco descaler
Degreaser Personal choice
Silicone grease Safe to use with food
1.4 Safety warnings
It is recommended to consult the technical manual of the machine before implementing any
operation.
Comply with all applicable standards relating to the repair of household appliances.
Always disconnect the power plug from the mains before beginning repairs on the machine.
Simply turning off the main switch is not sufficiently safe to prevent electrical discharges.
This household appliance is rated as insulation class I.
On completion of the repairs, insulation and dielectric rigidity tests must be performed.
01
MANUAL MACHINES 01 INTRODUCTION
SAECO Rev. 00 / May 2010 Page / 04
1.5. Range
Pressurised filter holder xxxxxxxx
Filter for 1 or 2 coffees xxxxxxxx
Adaptor for E.S.E. pods xxxxx xx
Steam pipe xxxxxxxx
Steel boiler xxxxx xx
Quantity of dispensed coffee
saved in memory x
Capacity of removable water
tank 1.5 l 1.5 l 1.5 l 2.5 l 2.5 l 1 l 1.2 l 1.5 l
Removable drip tray xxxxxxxx
02
A B
A
B
C
C
MANUAL MACHINES 01 INTRODUCTION
SAECO Rev. 00 /May 2010 Page / 04
03
1.6.1 External machine parts
Water tank
ON/OFF switch
Hot water/steam
dispensing pipe
Hot water/steam
dispensing knob
Nozzle
Drip tray+grille
Pressurised
filter holder
Selection
knob
Some machines have the spherical
cappuccino maker instead of the
nozzle
Spherical
Cappuccino maker
MANUAL MACHINES 01 INTRODUCTION
SAECO Rev. 00 / May 2010 Page / 04
1.6.2 Internal machine parts
04
Boiler assembly
Pump assembly
Overpressure
valve
Hot water/Steam
opening - closing
knob rod
Thermal protector
Overpressure
relief valve
Thermostats
Selection knob
Filter holder ring
SAECO Rev. 00 / May 2010 MANUAL MACHINES
CHAPTER 2
TECHNICAL SPECIFICATIONS
MANUAL MACHINES 02 TECHNICAL SPECIFICATIONS
SAECO Rev. 00 / May 2010 Page / 01
2.1. Technical specifications
2.2. Descaling frequency
Safety system: 2 one-shot thermostats (127°C and 95°C)
1 thermal protector > 184°C
Coffee heat exchanger output:
Stainless steel (230/120 V~) 1000 W – for coffee, hot water and steam
dispensing
Pump Ulka Type EP5/S GW approx. 13-15 bar with reciprocating
piston and 120°C cutout 48 W, 230V, 50 Hz, 120V, 60Hz
100V, 50/60 Hz
Overpressure valve: Opening at approx. 16-18 bar
Water filter: In tank
Flow meter assembly Only in the single versions with the coffee amount setting
Consumption: During the heating phase - approx. 5.6 A
01
Descaling frequency
Hardness
Water hardness Without anti-scale filter With anti-scale filter
1Soft (up to 7°dH) 240 litres (480,000 pulses) 480 litres (960,000 pulses)
2Medium (7° - 14°dH) 120 litres (240,000 pulses) 240 litres (480,000 pulses)
3Hard (15° - 21°dH) 60 litres (120,000 pulses) 120 litres (240,000 pulses)
4Very hard
(over 21°dH) 30 litres (60,000 pulses) 60 litres (120,000 pulses)
SAECO Rev. 00 / May 2010 MANUAL MACHINES
CHAPTER 3
USER INSTRUCTIONS
This manual suits for next models
15
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