Trox Technik TROX UNIVERSAL Manuale utente
Control components for
VAV terminal units
TROX UNIVERSAL
Installation and operating manual GB/en
A00000067516, 1, GB/en
© TROX GmbH 2017
TROX GmbH
Heinrich-Trox-Platz
47504 Neukirchen-Vluyn
Germany
Telephone: +49 (0) 2845 202-0
Fax: +49 (0) 2845 202-265
E-mail: [email protected]
Internet: www.trox.de
06/2019
Control components for VAV terminal units TROX UNIVERSAL
2
1 General information................................... 4
2Safety and correct use.............................. 6
General safety notes.................................... 6
Correct use.................................................. 7
Incorrect use................................................ 7
Residual risks............................................... 7
Qualified staff............................................... 8
3 Technical data............................................ 9
4 Transport, storage and packaging......... 11
Delivery check............................................ 11
Transport on site........................................ 11
Storage....................................................... 11
Packaging.................................................. 11
5 Product description................................. 12
Volume flow control.................................... 12
Volume flow rate monitoring....................... 12
Pressure monitoring................................... 12
Shut-off monitoring..................................... 12
External signaling of setpoint deviation..... 13
Interfaces and signal lamps on the con-
troller casing............................................... 14
Interfaces and signal lamps in the con-
troller casing............................................... 16
6 Installation................................................ 18
Tube connection on the external pressure
transducer.................................................. 22
7 Wiring........................................................ 23
Safety instructions...................................... 23
Notes on wiring.......................................... 23
Additional information on wiring................. 23
Limited voltage supply............................... 23
Polarity of the power supply....................... 24
Functional earth......................................... 24
Strain relief................................................. 24
Cabling....................................................... 24
8 Commissioning........................................ 25
9 Maintenance............................................. 28
Safety......................................................... 28
Operation and maintenance...................... 28
Zero point correction.................................. 28
Replacing the fuse..................................... 29
10 Decommissioning.................................... 29
Removing the electronic controller............. 29
11 Appendix................................................... 30
Table of contents
Control components for VAV terminal units TROX UNIVERSAL 3
1 General information
About this manual
This installation and operating manual enables
operating and service personnel to correctly install
the TROX UNIVERSAL controller (hereinafter
referred to as ‘controller’) and to use it safely and
efficiently.
The electronic controller forms a functional unit with
a variable air terminal unit (also called ‘control
unit’ ).
Depending on the scope of order, the electronic
controller can be equipped with optional expansion
modules (EM-xx) at the factory (retrofitting pos-
sible).
This operating and installation manual is intended
for use by fitting and installation companies, in-
house technicians, technical staff, instructed per-
sons, and qualified electricians or air conditioning
technicians.
It is essential that these individuals read and fully
understand this manual before starting any work.
The basic prerequisite for safe working is to comply
with the safety notes and all instructions in this
manual.
The local regulations for health and safety at work
and general safety regulations also apply.
This manual must be given to the system owner
when handing over the system. The system owner
must include the manual with the system documen-
tation. The manual must be kept in a place that is
accessible at all times.
Illustrations in this manual are mainly for informa-
tion and may differ from the actual design. Discrep-
ancies cannot be used to make any claims against
the manufacturer.
In addition to this manual, the following documents
apply
Operating manual
– EasyConnect configuration software
Installation manual for VAV terminal unit(s)
Installation manuals for EASYLAB components
– Expansion module EM-AUTOZERO
– Expansion module EM-V
– Expansion module EM-TRF/EM-TRF-USV
– Expansion module EM-LON
– Expansion module EM-BAC-MOD
– Expansion module EM-BAC-IP
– Control panel BE-LCD
General wiring documents
Project-specific wiring documents
All documents can be downloaded from
www.troxtechnik.com.
Project-specific information is provided together
with the order confirmation or delivered together
with the product.
TROX Technical Service
To ensure that your request is processed as quickly
as possible, please keep the following information
ready:
Product name
TROX order number
Delivery date
Brief description of the fault
Online www.troxtechnik.com
Phone +49 2845 202-400
General information
Control components for VAV terminal units TROX UNIVERSAL4
Limitation of liability
The information in this manual has been compiled
with reference to the applicable standards and
guidelines, the state of the art, and our expertise
and experience of many years.
The actual scope of delivery may differ from the
information in this manual for bespoke construc-
tions, additional order options or as a result of
recent technical changes.
The obligations agreed in the order, the general
terms and conditions, the manufacturer's terms of
delivery, and the legal regulations in effect at the
time the contract is signed shall apply.
Defects liability
For details regarding defects liability please refer to
Section VI, Warranty Claims, of the Delivery and
Payment Terms of TROX GmbH.
The Delivery and Payment Terms of TROX GmbH
are available at www.troxtechnik.com.
Copyright
This document, including all illustrations, is pro-
tected by copyright and pertains only to the corre-
sponding product.
Any use without our consent may be an infringe-
ment of copyright, and the violator will be held liable
for any damage.
This applies in particular to:
Publishing content
Copying content
Translating content
Microcopying content
Saving content to electronic systems and
editing it
Safety notes
Symbols are used in this manual to alert readers to
areas of potential hazard. Signal words express the
degree of the hazard.
Comply with all safety instructions and proceed
carefully to avoid accidents, injuries and damage to
property.
DANGER!
Imminently hazardous situation which, if not
avoided, will result in death or serious injury.
WARNING!
Potentially hazardous situation which, if not
avoided, may result in death or serious injury.
CAUTION!
Potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
NOTICE!
Potentially hazardous situation which, if not
avoided, may result in property damage.
ENVIRONMENT!
Environmental pollution hazard.
Safety signs on the controller
The following symbols and signs are usually found
in the work area. They apply to the very location
where they are found.
General information
Control components for VAV terminal units TROX UNIVERSAL 5
Electric shock hazard!
Disconnect the power supply before you open the
device.
Only skilled qualified electricians are allowed to
work in areas marked as having electrical voltage.
Unauthorised persons must not enter areas, open
cabinets or work on components where an elec-
trical voltage is present and which are hence
marked with this symbol.
General warning
Read the operating and installation manual before
commissioning and before you open the casing.
Functional earth
WARNING!
Danger due to illegible signage!
Over time, stickers and signs may fade or
become otherwise illegible, meaning that hazards
cannot be identified and necessary operating
instructions cannot be followed. There is then a
risk of injury.
– Ensure that all of the safety, warning and
operating information is clearly legible.
– Replace illegible signs or stickers immedi-
ately.
2 Safety and correct use
General safety notes
DANGER!
Risk of injury from the damper blade of the
VAV terminal unit
The damper blades of VAV terminal units close or
open extremely quickly (∡ 90° within 3 seconds)
and may crush your hands and arms.
Connect ducts to both ends of a VAV terminal
unit; if one end cannot be ducted, at least fit a
perforated plate to prevent people from reaching
into the terminal unit.
CAUTION!
Risk of injury from the casing cover falling
shut
An open casing cover may suddenly fall shut and
crush your fingers.
–Secure an open casing cover with a bracket.
– Wear protective gloves.
NOTICE!
Risk of damage to property due to large tem-
perature differences
If any electronic components have been kept in
an unheated area, condensation may form and
damage the electronic components beyond
repair.
– Before you start commissioning, make sure
that all devices have warmed up to ambient
temperature. Only after about 2 hours will
the system have reached room temperature.
Safety and correct use
Control components for VAV terminal units TROX UNIVERSAL6
NOTICE!
Risk of damage to property due to electro-
static charge
Electrostatic charge can damage the electronics.
–Avoid skin contact with any components or
printed circuits.
– Touch an equipotentially bonded metal sur-
face before you touch any printed circuit
boards.
– Wear conductive footwear and antistatic
clothing.
NOTICE!
In an emergency
Immediately disconnect the power supply to the
controller. Emergencies include, for example, a
damaged mains cable, a damaged casing, the
ingress of a liquid or foreign matter, a smell or
smoke.
Have the device checked by the manufacturer
before you put it into operation again.
Correct use
Only use the device for its intended correct use and
in compliance with the safety precautions and infor-
mation in this manual in order to avoid danger to
persons and property.
The correct use of this device encompasses:
The electronic control of volume flow rate,
room pressure or duct pressure for supply or
extract air in conjunction with a TROX air ter-
minal unit.
Indoor use for ventilation and air conditioning
systems.
The controller is typically used in a group of
several controllers for complete room control,
but it may also be used as a single controller.
For error-free operation, the installation orien-
tation of the controller must be observed; pos-
sible installation orientations are indicated on
the installation orientation label on the device.
Incorrect use
Do not use the controller in an installation orienta-
tion or for areas of application that are not
described in this manual.
Do not use the controller outdoors, in wet areas, or
in areas with potentially explosive atmospheres.
Residual risks
Power failure
If the power fails, the damper blade of the VAV ter-
minal unit remains in the position at that time; the
controller will resume operation once power returns.
In control units with spring return actuator (TUNF),
the control damper blade moves to a definable posi-
tion (OPEN or CLOSED) in the event of a power
failure.
For safety related applications you may use expan-
sion module EM-TRF-USV, which ensures uninter-
ruptible power supply. If the emergency power unit
has been correctly connected and charged, it will
supply power for the set operating times (ÄTech-
nical Data for EM-TRF-USV).
Monitoring function
Alarm signal in the event of insufficient volume
flow rate,
Ä
on page 12
Alarm signal in the event of insufficient duct or
room pressure,
Ä
on page 12
Alarm signal in the event of volume flow rate in
shut-off position,
Ä
on page 12
For safety related applications you should check
whether then safety measures are required, such
as alarms. You may use the alarm relay for
switching operations.
Safety and correct use
Control components for VAV terminal units TROX UNIVERSAL 7
Qualified staff
Skilled qualified electrician
Skilled qualified electricians are individuals who
have sufficient professional or technical training,
knowledge and actual experience to enable them to
work on electrical systems, understand any poten-
tial hazards related to the work under consideration,
and recognise and avoid any risks involved.
Safety and correct use
Control components for VAV terminal units TROX UNIVERSAL8
3 Technical data
Technical data
Supply voltage 24 V AC ±15% 50-60 Hz
24 V DC ±15%
Do not use 24 V AC and 24 V DC power supplies at the same time!
Optional: 230 V AC mains supply, only with the EM-TRF expansion module; optional: 230 V AC
mains supply with UPS, only with the EM-TRF USV expansion module
Power rating The maximum power required depends on the construction of the controller. Typical construc-
tions with different equipment result in the following values:
Volume flow controller with standard actuator
Volume flow controller with spring return actuator
Volume flow controller with fast-running actuator
Including all expansion modules
15 VA
20 VA
29 VA
40 VA max.
Connecting cable Double-stack terminal blocks for cables with a cross section up to 2.5 mm²
The 24 V supply voltage may be connected for a maximum of 5 controllers.
Micro fuse 2.5 A, slow blow, 250 V, as glass fuse 5 x 20 mm
Volume flow rate
measurement
Differential pressure transducer with room air induction to protect the measurement point
Optional: Automatic zero point correction only with expansion module EM-AUTOZERO
Actuator Fast-running high-precision actuator, ∡ 90°: 3 s
Flow rate setting time ≤ 2 s, depending on duct pressure
Controller recovery
time after supply
voltage failure
< 500 ms
Plug and play commu-
nication system
With automatic detection of the connected equipment and equipment functions:
Communication cable: 300 m max.
Number of controllers: max. 24 per segment
Temperature range Operation: 10 to +50 °C
Storage: -10 to +70 °C
Humidity <90% no condensation
Area of application Enclosed spaces
Protection level IP20
IEC protection class III (protective extra-low voltage)
Technical data
Control components for VAV terminal units TROX UNIVERSAL 9
Dimensions
Fig. 1: Dimensions universal
①Keep clear to provide access
1In combination with TVRK, TVR, TVA, TVZ, TVJ, TVT, TA- / TZ-Silenzio, VMR, VME, VMRK
Technical data
Control components for VAV terminal units TROX UNIVERSAL10
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