ACT ACT-VCC-1000 DC User manual

ACT-VCC-1000 DC Cabinet Air Conditioner
User Manual
Read this manual carefully before installation and use.

Rev A
（ACT-VCC-1000-DC)
2
Summary
This manual describes the ACT-VCC-1000 DC Air Conditioner and includes the product description, working
principles, wiring diagrams, operating instructions, routine maintenance, troubleshooting, and technical
specifications of this model.
Table of Contents
Summary ......................................................................................................................................... 2
1. Instructions................................................................................ 3
2. Product Overview .......................................................................... 3
2.1 Product Dimensions.................................................................................................................. 3
2.2 Application Notes...................................................................................................................... 4
2.3 Working Principles.................................................................................................................... 4
2.4 Product features........................................................................................................................ 4
2.5 Technical Specifications ........................................................................................................... 5
2.6 Air Circulation and Remote Mounting ...................................................................................... 5
2.7 Operation of the Unit................................................................................................................. 6
2.8 Condensate Handling................................................................................................................ 6
2.9 LED Display Parameter setting guide: ..................................................................................... 7
2.10 Alarm and fault management.................................................................................................. 7
3. Packaging and Shipping ................................................................... 8
4. Unpacking and Acceptance ................................................................ 9
5. Installation ................................................................................ 9
5.1 Physical Installation.................................................................................................................. 9
5.2 Electrical Connection.............................................................................................................. 10
6. Running and Testing ...................................................................... 12
6.1 Pre-operational checks ........................................................................................................... 12
6.2 Operating the Unit ................................................................................................................... 13
6.3 LED display manual ................................................................................................................ 13
7. Maintenance and Warranty ................................................................ 14
7.1 Product maintenance.............................................................................................................. 14
7.2 Service and Repair .................................................................................................................. 16

Rev A
（ACT-VCC-1000-DC)
3
1. Instructions
This manual is written for: ACT-VCC-1000-DC
•Be sure to read this manual carefully before installing or operating the unit.
•To be covered by ACT’s warranty and access normal warranty service, the user(s) must comply with all local and
industry standards, as well as with the instructions in this User Manual.
2. Product Overview
The ACT-VCC-1000-DC Air Conditioner is an enclosure cooling device intended for applications where the internal air
of a sealed electrical enclosure must be cooled or maintained at a particular temperature. This manual will provide an
overview of the product including:
•Recommended uses
•Product nameplates
•Operating principles
•Product features
•Product composition
•Technical specifications
•Usage within a ducted design
•Control logic
•Communication protocols and user parameters
•Alarm options
•Troubleshooting
This product should be used strictly within accordance and with the relevant provisions of this manual.
2.1 Product Dimensions
Figure 2.1 Product dimensions

Rev A
（ACT-VCC-1000-DC)
4
2.2 Application Notes
This product is intended for use in industrial equipment applications that utilize a 48V DC
power supply. The purpose of its installation is to control cabinet temperature between 20
to 45℃; keeping within this range will ensure that all thermal sensors operate as intended.
Safety and Use Instructions:
oTransport the unit in an upright position
oDo not store in a high temperature, high humidity environment (<70℃, <95%).
oIf the unit will not be in use for a long period, disconnect the main supply power
2.3 Working Principles
•The Air Conditioner uses a standard vapor compression cycle
oThe main parts of the cooling system include: compressor, condenser, expansion valve, evaporator,
internal fan, and external fan
•Principle of refrigeration: The compressor compresses warm, low-pressure vapor into hot, high-pressure vapor.
This hot high-pressure vapor travels through a condenser where it dissipates heat tothe environment. The high-
pressure condensate then flows through an expansion valve which reduces the fluid’s pressure and partially
vaporizes the fluid. The expansion and partial vaporization cool the fluid (liquid and vapor mixture), which
allows the remaining liquid to vaporize and cool the air flowing through the evaporator.
•The air internal to the cabinet is circulated through the evaporator to be cooled to the desired temperature
•Air outside of the cabinet flows through the condenser and is used to condense the hot vapor in the
refrigeration cycle.
•Air outside of the cabinet never mixes with the air internal to the cabinet
2.4 Product features
This product isdesigned with all DC driven componentssuch as fansand thecompressor. This product hasthe following
features:
•Power supply voltage range: 42~60 VDC
•DC units can be up to 50% more efficient than comparable AC units
•DC motor speed control provides low noise operation and low energy consumption
•R134a refrigerant
Manufacturer is not responsible for damage caused by operation outside of designated
intended use. Warranty is void if the following instructions are not followed:

Rev A
（ACT-VCC-1000-DC)
5
2.5 Technical Specifications
Table 2.1 Technical Specifications
Note: Parameters will be subject to the latest specification
2.6 Air Circulation and Remote Mounting
Internal circulation and external circulation of the air is shown in Figure 2.3. Ducting and a separating plate are
not required for enclosure mounting applications. If the unit is to be mounted remotely to cool an enclosure,
ductwork and a separting plate must be used as shown in Figure 2.3. Ductwork should be made as short as
possible to minimize the impact on the performance of the unit. Any additional pressure drop incurred by the fans
will reduce the performance of the unit. Be prepared to oversize the cooling unit accordingly. Any grills or filters
added to the unit or to accompanying ductwork will also result in reduced potential cooling from the unit.
Figure 2.3: Cabinet air circulation