COMEX COVER MY 30k User manual

COMEX S.A.
Uninterraptible power supply UPS
COVER MY
30 kVA/kW
User Manual

COMEX S.A.
The content of this document is the copyright of the publisher and
may not be reproduced without prior permission. The right to modify
the design and specifications is reserved without prior notice.
Copyright 2020
COMEX S.A.
All rights reserved.

COMEX S.A.
Table of contents
1. Precautions .................................................................................................................................1
2. Installation procedure.................................................................................................................3
2.1. Introduction..........................................................................................................................3
2.3. Location................................................................................................................................4
2.3.1. UPS room ......................................................................................................................4
2.3.2. Battery room .................................................................................................................4
2.3.3. Storage..........................................................................................................................4
2.4. Unpacking, checking and setting...........................................................................................4
2.4.1. Unpacking......................................................................................................................4
2.4.2. The appearance and dimensions of the UPS ..................................................................6
2.4.3. Service space.................................................................................................................7
2.5. Security elements .................................................................................................................7
2.5.1. UPS input power............................................................................................................8
2.5.2. Battery circuit protection...............................................................................................8
2.6. Power cables ........................................................................................................................9
2.6.1. Maximum power supply currents ..................................................................................9
2.6.2. Connecting the AC cables ............................................................................................10
2.6.3. Battery connection ......................................................................................................12
2.7. Communication ..................................................................................................................14
2.7.1. Dry Contact IN / OUT communicationomun.................................................................14
2.7.2. Parallel connection ......................................................................................................17
2.7.3. Communication card slots ...........................................................................................17
2.7.4. Modbus RTU / RS485 connector ..................................................................................18
3. UPS operation modes................................................................................................................19
3.1. Introduction........................................................................................................................19
3.2. Principle of operation .........................................................................................................19
3.2.1. Bypass module ............................................................................................................20
3.3. Power supply operation modes ..........................................................................................20
3.3.1. Normal operation (On Line) .........................................................................................20
3.3.2. Battery operation ........................................................................................................20
3.3.3. Automatic restart ........................................................................................................21
3.3.4. Electronic bypass.........................................................................................................21
3.3.5. Service bypass .............................................................................................................21
3.3.6. Economical (ECO) ........................................................................................................21
3.3.7. Frequency converter....................................................................................................21
3.3.8. Parallel operation ........................................................................................................22
4. User manual for the power supply ............................................................................................23
4.1. Power connectors...............................................................................................................23
4.2. Procedures for starting the power supply - single operation...............................................24
4.2.1. Boot the UPS from a fully shutdown state ...................................................................24

COMEX S.A.
4.2.2. Running the UPS from the battery ...............................................................................24
4.3. Procedures for switching the power supply between operating modes ..............................25
4.3.1. Switching from normal operation to battery mode......................................................25
4.3.2. Switching from normal operation to bypass operation ................................................25
4.3.3. Switching from Bypass to normal operation ................................................................25
4.3.4. Switching from the normal operation mode to the Service Bypass mode ....................26
4.3.5. Switching from the Service Bypass mode to normal operation ....................................26
4.4. Procedure of complete disconnection of the power supply (power supply to the loads through
a mechanical bypass) ....................................................................................................................26
4.5. EPO emergency shutdown..................................................................................................26
4.6. Procedures for starting the power supply - parallel operation ............................................27
5. LCD panel operation..................................................................................................................28
5.1. Introduction........................................................................................................................28
5.2. Indications of the UPS operating status on the display........................................................29
5.3. Reading the operating parameters .....................................................................................30
5.3.1. Power supply of the bypass line...................................................................................30
5.3.2. Rectifier track supply ...................................................................................................31
5.3.3. Batteries......................................................................................................................31
5.3.4. UPS Output..................................................................................................................32
5.4. Event log.............................................................................................................................32
5.4.1. Device status information (Run info.)...........................................................................33
5.4.2. UPS event history ........................................................................................................33
5.4.3. User Log ......................................................................................................................33
5.4.4. Information about the current firmware versions........................................................34
5.5. System configuration settings.............................................................................................34
5.5.1. Configuration of the operating mode and parameters of the power supply.................35
5.5.2. Battery settings ...........................................................................................................36
5.5.3. Battery tests ................................................................................................................36
5.6. DryContact contact configuration .......................................................................................37
5.7. Modbus communication settings........................................................................................37
5.8. Display settings...................................................................................................................38
5.9. Password settings...............................................................................................................38
5.10. Configuration of the UPS operation mode.......................................................................39
5.11. UPS cleaning mode..........................................................................................................39
5.12. Saving the history of events to USB memory...................................................................40
5.13. Current alarms ................................................................................................................40
5.14. System speaker...............................................................................................................41
5.15. ON/OFF...........................................................................................................................41

COVER serii MY –Instrukcja Obsługi
COMEX S.A.
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1. Precautions
This user manual contains necessary information on the installation and use of the MY COVER
power supplies.
Before starting the installation and use, please read the manual carefully. The UPS must be
installed and configured by the manufacturer's or distributor's authorized service center. In the
case of installations by persons without the required experience, there is a risk of exposing users
to loss of health or life. Persons not authorized to install may cause damage to the power supply,
which in this case is not covered by the warranty terms.
STANDARDS FULFILLED
The device meets the CE 73/23 and 93/68 (low voltage safety) directives as well as 89/336
(EMC) and the following standards:
*IEC62040-1-1
*IEC/EN62040-2 EMC CLASS C3
*IEC62040-3
CAUTION - High leakage current
The connection of the protective conductor (PE) is essential and must be made before
connecting the other working conductors (power supply, receiving, battery). Earthing should
be performed in accordance with the prevailing standards and practical knowledge in the
place of installation. The leakage current is greater than 3.5mA and less than 1000mA. When
selecting immediate action RCCB or RCD devices, take into account the transient and steady
state leakage currents that may occur during commissioning of the device. Select residual
current circuit breakers (RCCBs) that are sensitive to DC unidirectional pulses (Class A) and
not sensitive to transient current pulses. It should also be remembered that a given RCCB or
RCD device conducts leakage currents of the receiver.
Service
Dangerous voltage exists in the UPS housing. The risk of contact with such voltage is kept to
a minimum as the live parts are located behind the closed housing. Additional internal
protective covers ensure that the device is protected in accordance with the protection class
IP20. Normal operation of the device, taking into account the recommended operating
procedures, does not pose any threat to the personnel. All maintenance and service
procedures require access to the interior of the unit and should only be performed by trained
personnel.
警告
危险
警告
危险
警告
危险

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High battery voltage > 400 Vdc
All work related to the maintenance and installation of batteries may be performed by a
properly trained service. When the batteries are connected, the voltage across their
terminals exceeds 400 Vdc and is potentially lethal. Battery manufacturers provide detailed
precautions that must be observed when working on or in the vicinity of large battery
batteries. Such measures must always be strictly adhered to. Particular attention should be
paid to the recommendations regarding local environmental conditions and the provision of
protective clothing, first aid and fire fighting equipment.
警告
危险

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2. Installation procedure
This chapter is devoted to the method of installation, mounting and wiring of the UPS.
2.1. Introduction
This chapter presents the basic requirements for the location and cabling of the power supply.
The description presents a step-by-step installation manual, which is a series of guidelines that
should be followed by the service when installing the device.
Warning - Installation may only be performed by an authorized service
center
1. Do not connect electrical appliances to the power supply until the service technician has
verified that the power supply is properly connected and configured.
2. The UPS should be installed by qualified technical personnel in accordance with the
guidelines contained in this chapter.
Do not perform any electrical work interfering with the electrical system upstream and
downstream of the UPS while the UPS system is operating. Damage resulting from this (eg
change of the phase sequence) is not covered by the warranty.
Warning: Dangerous Batteries
Particular precautions must be taken when working with batteries connected to the power
supply. When the battery is connected, the terminal voltage exceeds 400 Vdc and is
potentially lethal.
To protect the eyes against an accidental electric arc, it is recommended to wear protective
glasses. Additionally, it is recommended to:
Remove rings, watches and all metal items
Only use tools with insulated handles.
If the battery leaks or is otherwise damaged, it must be replaced. Damaged batteries
should be stored in a sulfuric acid resistant container and disposed of in accordance with
local regulations.
If the electrolyte comes into contact with the skin, wash the contaminated area immediately
with water.
2.2. Initial inspection
Please perform the following checks prior to installation:
Visually check that the delivered devices, i.e. the UPS and the batteries, have not been
damaged during transport. Any damage found should be reported to the supplier
immediately.
Verify the compliance of the supplied equipment with the installation requirements. The
power of the power supply is each time described on the label.
警告
危险
警告
危险

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COMEX S.A.
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2.3. Location
2.3.1. UPS room
The UPS is intended for indoor installation. The device should be placed in a clean environment
with adequate ventilation to keep the ambient temperature within the required specification
range. The UPS provides forced convection cooling through internal fans. Cold air enters the
device through the vents at the front of the housing and is blown out through the grills at the
rear of the housing. Do not block the ventilation openings.
Depending on the room conditions, the ventilation openings of the power supply should be
regularly cleaned, e.g. with a vacuum cleaner. The accessibility of ventilation will ensure
efficient cooling and extend the life of the device.
Note: The UPS should be installed on a stable and non-flammable surface.
2.3.2. Battery room
The battery temperature should be stable as it is the main parameter influencing the battery
life and capacity. The optimal operating temperature of the battery is 15-25 ° C. It is
recommended to maintain a nominal temperature of 20 ° C.
Working at higher temperatures shortens the battery life, and working at lower temperatures
reduces their capacity. Each increase of the battery operating temperature by another 8 ° C
reduces the service life by 50%.
Keep batteries away from heat sources and hot air vents.
When installing the battery outside the UPS, use the battery circuit protection located as close
to the battery as possible. Keep the cables connecting the battery and the UPS as short as
possible.
2.3.3. Storage
If the device is not installed and needs to be stored, it should be protected against excessive
moisture and high temperature. Batteries should be stored in a dry and cool room. The most
suitable storage temperature for the battery is 20-25 ° C. If the appliance is not installed
immediately after delivery, it should be stored indoors so that it is protected from excessive
moisture and heat sources.
2.4. Unpacking, checking and setting
Before unpacking, carefully inspect the delivered packaging of the device to make sure that it
has not been damaged during transport. After removing it from the packaging, check that the
equipment has no signs of damage. If there is any damage, report it to the supplier immediately.
2.4.1. Unpacking
The power supply is delivered in a cardboard box on a wooden pallet. To unpack, remove the
cardboard packaging and protective foams inside the packaging. The following shows the device
after removing the packaging.

COVER MY SERIES –User Manual
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Figure 2.1. View of an exemplary power supply after removing the packaging
Tip: Remove the screws connecting the UPS housing with the wooden pallet, and screw in the
feet stabilizing the UPS, and then place the UPS at the installation point, using the exit provided
in the UPS housing. Disassembly should be done carefully so as not to damage the housing.
Please check the supplied equipment for correctness on the label located on the top cover of
the UPS. The label provides basic information about the model, power, etc.
Note: The protective materials remaining after dismantling (wood, plastic, etc.) must be
disposed of in accordance with the applicable local environmental regulations.
In order to extend the life of the device, it is necessary to provide a suitable place for its
installation, which should guarantee:
- Easy to connect to the electrical installation
- Sufficient space for handling
- Ventilation or air conditioning to ensure adequate cooling of the power supply
- Protection against corrosive gases and vapors
- Protection against excessive moisture and heat sources
- Protection against dust, dirt and other contaminants
- Adequate fire protection
- Working temperature should be in the range of 20-25ºC. At this temperature, the batteries
perform at their optimum.

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2.4.2. The appearance and dimensions of the UPS
The appearance and dimensions [mm] of the UPS are shown in the figures below:
Figure 2.2. Front / side view of the MY 30K UPS
Figure 2.3. Bottom view of the MY 30K UPS