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[ Pobierz całość w formacie PDF ]EWCM8400/8600/8900 • 9100
User manual
Invensys Controls Europe
An Invensys Company
GB
release 07/08
2
EWCM8400/8600/8900 • EWCM9100
CONTENTS
GENERAL DESCRIPTION
Characteristics...
page 3
Using the manual...
page 3
Warnings...
page 3
AVAILABLE MODELS...
page 4
INSTALLATION...
page 5
Base/keyboard connection...
page 5
ELECTRICAL HOOKUP PRECAUTIONS...
page 6
PCInterface connection...
page 6
WIRING DIAGRAMS...
pages 7-10
EWCM8400 wiring diagram...
page 7
EWCM8600 wiring diagram...
page 8
EWCM8900 wiring diagram...
page 9
EWCM9100 wiring diagram...
page 10
BASIC FUNCTIONS
POWER UP...
page 11
KEYS AND COMPONENTS...
page 11
LEDs...
page 12
QUICK MENU...
page 12
SHORTCUTS...
pages 13-16
Keypad lock
page 13
Setpoint and control band modification
page 13
Reduced Menu
page 13
Probes Menu
page 14
Value displays
page 14
Compressor/fans status
page 15
Modifying the display unit of measurement
page 16
Displaying and acknowledging alarms
page 16
Advanced navigation
page 16
ADVANCED FUNCTIONS
CONFIGURING THE MACHINE...
page 17
QuickStart
page 17
Automatic I/O assignment
pages 17-18
Manual I/O assignment
page 18
COMPRESSOR CONTROL...
pages 19-24
FAN CONTROL (EWCM9100)...
pages 25-28
CLOCK AND TIME BANDS MENU...
pages 29
FUNCTIONS MENU..
pages 30-33
Energy saving...
page 30
Suction setpoint...
page 31
Delivery setpoint (EWCM9100)...
pages 31-32
Liquid return control...
page 32
Auxiliary control...
page 32
Heat recovery (EWCM9100)...
page 32
Hot gas defrost...
page 33
SERVICE MENU...
page 33
PARAMETERS...
pages 34-39
Description of administrator parameters...
pages 35-39
Parameters table...
pages 40-42
ALARMS...
pages 43-50
Alarms log and codes list...
page 45
Utility alarms table...
page 46
Analogue alarms table...
pages 47-48
Probe errors table...
pages 49-50
USB COPYCARD...
pages 51-52
KEYBOARD TECHNICAL DATA...
pages 53
POWER BOARD TECHNICAL DATA...
pages 53-54
Common power board technical data...
page 53
EWCM8400 power board technical data...
page 53
EWCM8600 power board technical data...
page 54
EWCM8900 power board technical data...
page 54
EWCM9100 power board technical data...
page 54
PARAM MANAGER • WEBADAPTER...
page 55
ACCESSORIES...
page 56
PROPER AND IMPROPER USE...
page 57
RESIDUAL RISKS AND RESPONSIBILITIES...
page 57
LIABILITY CLAUSE...
page 57
3
EWCM8400/8600/8900 • EWCM9100
Electronic controller for compressor packs on 13-Din Rail
GENERAL DESCRIPTION • USING THE MANUAL • WARNINGS
EWCM8400/8600/8900 • EWCM9100 13DIN are a family of controllers
dedicated to the control of the machine room of a refrigeration plant, with
simple, multistage or variable power compressors.
Remote control
• Connections for TelevisSystem or Modbus RTU remote control systems.
• Display (and modification with the correct privileges) online, with an
internet browser, of parameters, states and alarms.
Characteristics
• Up to 13 completely configurable relay outputs for controlling simple,
multistage or various power compressors and condenser fans (EWCM9100).
• Up to 2 analogue outputs for controlling
INVERTER
compressors and
INVERTER
fans (EWCM9100).
• Up to 2 inputs with pressure transducers for the compressor section and
the fan section (EWCM9100).
• Up to 4 temperature inputs for NTC probes configurable as voltage free
digital inputs.
• Up to 10 voltage digital inputs and 4 voltage free digital inputs
(EWCM9100) configurable for plant diagnostics and Energy Saving
functions.
• Compatibility with a vast range of refrigerants.
• Built-in clock (RTC).
Mounting
• Mounts to 13DIN rail (power board) and panel (keypad).
All machine status control and configuration can be done with the supplied
LCD keypad. Menu navigation is user-friendly: two languages are available
as standard (English + local language) defined according to the product
code.
The configuration and maintenance of the device is protected by several
levels of passwords which hide/protect access for authorised persons only.
The Administrator Menu is dedicated to the System Administrator and
permits access to the Quick Start Menu and all configuration and
operational parameters: the administrator will also manage the access
passwords for the users and experts (installers and technicians).
Functions
•
INVERTER
control of compressors and fans (EWCM9100).
• Proportional control, PID and Dead band.
• Selection of homogenous power compressors and fan rotation policies
(EWCM9100).
• Algorithms for Energy Saving.
• Two programmable Setpoints: normal and reduced regime.
• Dynamic suction and delivery setpoints (EWCM9100).
• Time band management.
• Management of probe alarms and minimum and maximum pressure
switch alarms both for the compressors section and for the fans section
(EWCM9100).
• Full alarms handling (self-diagnostics and alarms log).
• Operational log handling.
• Upload/download parameters, alarms log, operational logs and glossaries
with USB Copy Card.
• Safety system which, in case of EWCM failure, activates an alarm output
to deviate machine room control to an emergency system which ensures
minimum operation until technical service is possible.
The Quick Start Menu is dedicated to initial configuration of the
machine/system and permits quick and efficient assignment of the system’s
resources.
The Service Menu is typically intended for use by the Administrator and
Technical Service and allows use of the Copy Card (see appropriate
chapter) and utilities diagnostics and control.
Any other user can, with the function keys and navigation keys, monitor
the status of the system, display alarms, activate functions, etc. without the
aid of passwords.
The Clock and Time Bands Menu also allows the user to set the date and
time and, using a weekly calendar, control the plant.
IMPORTANT WARNINGS
The availability and access to information is determined by the model in
use and the settings made by the Administrator.
The System Administrator is responsible for enabling access to the various
menus for qualified staff who are charged with installing and servicing the
system.
The high degree of configurability of the system requires that the system
and its applications be thoroughly studied for the device and system to
operate at their best.
Navigation and programming
• User-friendly LCD graphic keyboard.
• Menu navigation.
• Quick access menu for immediate status display and setting main
operating parameters.
• Display and setting of programmable parameters in Bar, PSI, °C or °F.
• Reduced set of parameters.
• 3 levels of access to programming parameters.
• Quick Start Menu for quick and easy configuration.
• Keystroke function activation.
For any doubts/information, contact Eliwell Technical Service.
4
EWCM8400/8600/8900 • EWCM9100
AVAILABLE MODELS
EWCM8600
EWCM8400
6 Compressors
1 Con
gurable
4 Compressors
2 Con
gurable
5A SPDT
5A SPDT
Relay outputs
8
Relay outputs
7
1 Alarm
8A SPDT
1 Alarm
8A SPDT
INVERTER
Compressor
INVERTER
Compressor
Analogue output
1
4…20mA
Analogue output
1
4…20mA
6 Compressor
shut-down
1 Suction pressure
switch alarm
3 Con
gurable
4 Compressor
shut-down
1 Suction pressure
switch alarm
1 Con
gurable
Digital Inputs
10
High voltage
Digital Inputs
6
High voltage
2
NTC
2
NTC
con
gured as
Digital Inputs
con
gured as digital
inputs
Analogue inputs
5
2
Analogue inputs
5
2
1
4...20mA
1
4...20mA
RS485
YES
RS485
YES
Connections
Ethernet
NO
Connections
Ethernet
NO
USB CopyCard
YES
USB CopyCard
YES
ENG/ITA - ITA/ENG - SPA/ENG - GER/ENG
FRE/ENG
ENG/ITA - ITA/ENG - SPA/ENG - GER/ENG
FRE/ENG
Menu Languages
2
Menu Languages
2
Power Supply
100-240V
a
Power supply
100-240Va
EWCM8900
EWCM9100
4 Compressors
4 Fans
3 Con
gurable
9 Compressors
2 Con
gurable
5A SPDT
5A SPDT
Relay outputs
13
Relay outputs
13
1 Alarm
1 Con
gurable
8A SPDT
1 Alarm
1 Con
gurable
8A SPDT
INVERTER
Compressor
Analogue output
1
4…20mA
1 INVERTER
Compressor
4…20mA
Analogue
outputs
2
9 Compressor
shut-down
1 Suction pressure
switch alarm
1 INVERTER
fan
4…20mA
Digital Inputs
10
High voltage
4 Con
gurable
4 Voltage Free
2
NTC
4 Compressor
shut-down
4 Fan
1 Suction pressure
switch alarm
1 Discharge pressure
switch alarm
con
gured as
Digital Inputs
Analogue inputs
5
2
Digital Inputs
14
1
4...20mA
10 High voltage
RS485
YES
Connections
Ethernet
NO
USB CopyCard
YES
4
NTC
ENG/ITA - ITA/ENG - SPA/ENG - GER/ENG
FRE/ENG
Analogue inputs
6
Menu Languages
2
2
4...20mA
Power Supply
100-240Va
RS485
YES
Connections
Ethernet
YES (optional)
USB CopyCard
YES
ENG/ITA - ITA/ENG - SPA/ENG - GER/ENG
FRE/ENG
Menu Languages
2
Power Supply
a
100-240V
5
EWCM8400/8600/8900 • EWCM9100
INSTALLATION
IMPORTANT! Always make sure the device is switched OFF before
operating on the connections. The operations must be carried out
by qualified personnel.
Do not install the devices in places subject to high humidity and/or dirt:
in fact, they are suitable for use in places with normal or ordinary
pollution levels.
Make sure the area near the cooling slots is ventilated.
Move the four spring docking devices to their standby position (use a
screwdriver, see figure 3).
Install the ‘BASE’ on the DIN RAIL, then press the ‘spring docking devices’
which will go to the closing position.
NB: With the ‘BASE’ assembled on the DIN RAIL, the ‘Spring docking
devices’ must be turned downwards.
Keyboard mounting
The keyboard is designed for panel-mounting.
Make a 138x68mm hole.
Remove the front panel (figure 1) and make 6 holes in the panel
(figure 2 points A/B/C/D/E/F) of dia. 2.7 mm at the specified spacing
(figure 2). Insert the device, fixing it with the screws. Close the front of
the keyboard by pressing with fingers.
FIG 2 - CUTout
138
Power board mounting
To install the BASE on DIN RAIL, proceed as follows:
A
B
E
F
FIG 1
Keyboard
Mounting
D
C
90
150
FIG 3 CAP
BASE - KEYPAD CONNECTION
ELIWELL
EWCM Keyboard
rear
For the connection between the base and the
keypad, use the supplied 3 m 6-wire microfit
cable. Only use the cable supplied, respecting the
maximum distance of 3m.
The cable must be wired separately from the
power cables.
max lenght 3m
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