INVT VCP Series User manual

Preface
Shenzhen INVT Network Technology Co., Ltd.
Preface-About the product and manual
[Manual purpose]
This manual introduces the main features, performance, and working
principle of the new generation of VCP series outdoor unit and provides
users with information on usage, operation, and maintenance.
[User]
Technical Support Engineer
Maintenance Engineer
[Disclaimer]
1. Outside the free warranty period;
2. Disassemble or modify the product without authorization;
3. Violation of product operation or use specifications;
4. Man-made faults;
5. The product suffered losses caused by irresistible or other external
factors on the client-side.
[Note:Any of the above exemption clauses will not be covered by the
warranty.]
[Related description]
1. This manual is provided with the product, please keep it in a safe
place so that you can check it at any time when you need it. In
case this manual is accidentally lost or damaged, please obtain it
directly from the manufacturer or local distributor;
2. This manual is written for VCP series outdoor unit products, and
the content may not be applicable to other models;
3. Due to product version upgrades or other reasons, the content of
this document will be updated from time to time.
Unless otherwise agreed, this document is only used as a guide,
and all reports, information, and suggestions in this document do
not constitute any express or implied guarantee.
4. The copyright of this manual belongs to Shenzhen INVT Network
Technology Co., Ltd., and all rights are reserved. The content is
subject to change without notice.

Content
Shenzhen INVT Network Technology Co., Ltd. I
CONTENTS
Chapter 1. Product Overview ..................................................................................... 1
Chapter 2. Installation of outdoor unit...................................................................... 8
2.2.1 Installation Environment....................................................................8
2.2.2 Installation method.............................................................................8
2.2.3 Installation space..............................................................................11
2.2.4 Fixation............................................................................................13
2.2.5 Indoor and outdoor unit piping connection......................................13
2.2.6 Indoor and outdoor unit cable connection .......................................13
2.2.7 Pressure-holding, leak detection, vacuuming ..................................14
Chapter 3. Outdoor fan inverter............................................................................... 15
3.2.1 Port Settings.....................................................................................15
Chapter 4. Maintenance and Troubleshooting........................................................ 17
4.1.1 Cooling system.................................................................................17
4.1.2 Heat exchanger.................................................................................17
4.1.3 Fan....................................................................................................17
4.1.4 Fan frequency converter ..................................................................18
4.1.5 Pressure sensors ...............................................................................18
Appendix I Wiring diagram of VCP series conventional outdoor unit ........................... 20
Appendix II Low temperature component wiring diagram............................................. 21
Appendix III Harmful substances in products and content table..................................... 22
Annex IV Equipment Maintenance Checklist (Monthly)................................................ 23
Appendix 5 Equipment Maintenance Checklist (Annual)............................................... 24

Chapter 1. Product Overview
Shenzhen INVT Network Technology Co., Ltd. 1
Chapter 1. Product Overview
1.1 Product Description
VCP series outdoor unit, a new generation of high-efficiency and energy-saving precision air
conditioner outdoor unit designed and developed by our company, is divided into two types:
single-system and dual-system. The single system outdoor unit is used to match the single system
indoor unit or the single cooling system of the dual system indoor unit. The dual system outdoor
unit is used to match the indoor unit of dual system.。
Main features：
Flexible installation form, supporting vertical air outlet and horizontal air outlet.
Single and dual refrigerant circuits for various systems.。
Reinforced heat transfer inner thread tube with optional high anti-corrosion fin coating.
Marine grade corrosion resistant aluminum, solid structure and beautiful appearance.
High quality and low noise frequency-controlled axial flow fan with built-in thermal
protection.
IPX5 standard electrical control box.
Intelligent automatic stepless frequency conversion control of fan speed, high efficiency and
energy saving, stable operation.
1.2 Model description
E g.：Model——VCP026SF
Figure 1-1 Naming rules for outdoor units
There are 15 models of outdoor units, including single-system outdoor units with heat
transfer capacity covering 26-96kW and dual-system outdoor units with heat transfer capacity
covering 56-96kW, and the specific models are shown in Table 1-1.
model
Formal type
VcolPro series outdoor unit
VCP
S
026
VCP
026
S
F
F
Single-system

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Table 1-1 Model List
Type
Num.
Single-system
Dual-system
1
VCP026SF
VCP056DF
2
VCP028SF
VCP066DF
3
VCP034SF
VCP076DF
4
VCP038SF
VCP088DF
5
VCP045SF
VCP096DF
6
VCP056SF
/
7
VCP066SF
/
8
VCP076SF
/
9
VCP088SF
/
10
VCP096SF
/
1.3 Product Composition
The outdoor unit consists of heat exchanger, axial flow fan, fan inverter, pressure sensor, etc.
The appearance and location of outdoor unit components are shown in Figure 1-2~Figure 1-3.
Where 1 - axial fan; 2 - electric control box; 3 - heat exchanger; 4 - pressure sensor. If the outdoor
ambient temperature is lower than -15℃, it is necessary to use with the low-temperature
component, and the appearance of the low-temperature component is shown in Figure 1-4.
Figure 1-2 Outdoor unit single system schematic (single fan)

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Figure 1-3 Outdoor unit dual system schematic (dual fans)
Figure 1-4 low-temperature component schematic
Note
The single system outdoor unit is equipped with 1 low temperature component, and the dual
system outdoor unit is equipped with 2low temperature components.
1.4 Technical parameters
The dimensions of the outdoor unit are shown in Figure 1-5, and the specific structural
parameters are shown in Table 1-2.

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4 Shenzhen INVT Network Technology Co., Ltd.
Figure 1-5 Outdoor unit structure schematic
Table 1-2 Structure parameters
Model
Fan
number
（PCS）
Weight
（kg）
Size（mm）
Liquid
tube
connector
（mm）
Gas tube
connector
（mm）
L
W
H
VCP026SF
1
112
1378
982
740
16
22
VCP028SF
1
120
1378
982
740
19
22
VCP034SF
1
128
1378
982
740
19
22
VCP038SF
1
136
1378
982
740
19
28
VCP045SF
1
138
1578
1275
750
19
28
VCP056SF
1
152
1778
1275
750
19
28
VCP066SF
2
168
1978
1275
740
19
28
VCP076SF
2
178
2178
1275
740
19
28
VCP088SF
2
188
2378
1275
750
19
28
VCP096SF
2
198
2578
1275
750
19
28
VCP056DF
1
156
1778
1275
750
16
22
VCP066DF
2
169
1978
1275
740
19
22
VCP076DF
2
179
2178
1275
740
19
28
VCP088DF
2
189
2378
1275
750
19
28
VCP096DF
2
199
2578
1275
750
19
28
The outdoor unit needs to be equipped with low temperature components when the outdoor
temperature is lower than -15℃, the size of the low temperature components is as follows Figure
1-6, and the specific structure parameters are shown in Table 1-3.

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Figure 1-6 Schematic diagram of low-temperature component
Table 1-3 Low temperature component structure parameters
Model
Size （mm）
Applicable models
L
W
H
VCL01O-01
945
348
470
VCP026、VCP028、VCP034、VCP038、
VCP045
VCL02O-01
870
363
536
VCP056、VCP066、VCP076、VCP088、
VCP096
Note
1) Dual system outdoor units are equipped with 2 low temperature components.
2) The low temperature component should not be more than 2m away from the outdoor
unit.
3) When the outdoor unit is installed vertically, it is forbidden to put the low-temperature
component in the air outlet.
4) When the outdoor unit is installed horizontally, the outdoor unit and the
low-temperature component must be placed on the same height base or concrete
support platform, as shown in Figure 1-7; when the outdoor unit is installed vertically,
the outdoor unit can be at most 1.5m higher than the low-temperature component and
cannot be lower than the low-temperature component, as shown in Figure 1-8.
Figure 1-7 Schematic diagram of horizontal installation of low-temperature components
Indoor unit
exhaust
Indoor unit
liquid inlet pipe
Outdoor unit liquid
discharge pipe
Outdoor unit
air inlet tube

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Figure 1-8 Schematic diagram of vertical installation of low-temperature components
1.5 Storage requirements
Outdoor machine storage environment should meet the requirements of Table 1-4.
Table 1-4 Storage requirements
Content
Requirements
Storage
environment
Indoor, clean (no dust etc.)
Ambient
Temperature
－20℃～54℃
Ambient humidity
5%RH～85%RH（No condensation）
Storage Time
Transport and storage time should not exceed 6 months in total, after 6
months the performance needs to be re-calibrated.

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1.6 Operating environment requirements
The operating environment of VCP series air-cooled outdoor units should meet the
requirements of Table 1-5.
Table 1-5 Operating environment requirements
Requirement
Installation
Location
Equivalent distance between indoor unit and outdoor unit in standard
configuration is 30m, height difference ΔH: -5m ≤ΔH ≤20m; installation
method: horizontal or vertical installation.
Ambient
temperature
Outdoor：-15℃～+45℃，-34℃～-15℃Additional low temperature component
are required.
Ambient
Humidity
Outdoor unit：5%RH～95%RH(No condensation)。
Operating
power supply
380V±10％，50/60Hz。
Altitude
No more than 1000m, and deratied is required for more than 1000m.
Protection
class
The whole machine is IPX5.
Notes.
"ΔH": outdoor unit is higher than indoor unit for positive drop, and vice versa for negative drop.
Notes
1) When the equivalent distance between indoor unit and outdoor unit in standard
configuration is within 30m, please refer to the specific requirements for refrigerant and
connection pipe equivalent length in the user manual of indoor unit.
2) When the equivalent distance between indoor unit and outdoor unit in standard
configuration exceeds 30m, please consult the relevant technical department.

Chapter 2. Installation of outdoor unit
8 Shenzhen INVT Network Technology Co., Ltd.
Chapter 2. Installation of outdoor unit
2.1 Unpacking inspection
a）Upon receipt of shipment of the outdoor unit, inspect all parts for obvious damage. If any
parts are found to be missing or damaged, they should be reported to the carrier immediately.
b）After confirming that all parts of the outdoor unit are normal, remove the packaging of the
outdoor unit and remove the four fixing nuts. Then carry the outdoor unit to the installation site.
Note
1) If the outdoor unit is placed vertically, the legs need to be installed before they are
placed vertically.
2) Check whether the pressure value of outdoor unit is in the normal range.
3) When handling the outdoor unit, do not use the copper tube or electric control box as the
stress point, and focus on protecting the fins from damage.
2.2 Installation requirements
2.2.1 Installation Environment
1. To ensure the heat dissipation performance of the outdoor unit, please install the
outdoor unit in a ventilated place with smooth air inlet and outlet, and avoid places
where dust, snow, etc. may cause blockage of the outdoor unit coil, and ensure that
there is no steam, waste heat, acidic or alkaline gas, etc. around the unit.
2. Try to install the outdoor unit far enough away from the residential area to avoid noise
nuisance, please refer to the local environmental protection standard requirements for
the specific installation distance.
3. Please refer to the installation arrow mark on the outdoor unit for installation direction.
4. When installed on the roof, attention should be paid to the load-bearing of the floor slab,
protection of the waterproof layer of the roof and compliance with local regulations.
5. Be sure not to make the arc welding ground contact with the outdoor unit to avoid
arcing through the welded joints in the coil.
2.2.2 Installation method
2.2.2.1 Vertical mounting base
The vertical mounting base is shown in Figure 2-1, and the specific base size/mounting hole
size for each model is shown in Table 2-1.

Chapter 2. Installation of outdoor unit
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Figure 2-1 Dimensional drawing of vertical mounting base
Table 2-1 Vertical mounting base/mounting hole dimensions (unit: mm)
Model
L1
L2
W1
W2
VCP026SF
1126
1276
825
975
VCP028SF
1126
1276
825
975
VCP034SF
1126
1276
825
975
VCP038SF
1126
1276
825
975
VCP045SF
1326
1476
1120
1270
VCP056SF
1526
1676
1120
1270
VCP066SF
1726
1876
1120
1270
VCP076SF
1926
2076
1120
1270
VCP088SF
2126
2276
1120
1270
VCP096SF
2326
2476
1120
1270
VCP056DF
1526
1676
1120
1270
VCP066DF
1726
1876
1120
1270
VCP076DF
1926
2076
1120
1270
VCP088DF
2126
2276
1120
1270
VCP096DF
2326
2476
1120
1270
Note
The mounting holes are waist-shaped holes, and bolts need to be used to fix the mounting
base.
2.2.2.2 Horizontal mounting base
The dimensions of the horizontal mounting base and parts are shown in Figure 2-2, where the
length dimensions of each model are shown in Table 2-2.
Mounting
holes

Chapter 2. Installation of outdoor unit
10 Shenzhen INVT Network Technology Co., Ltd.
Figure 2-2 Dimensional drawing of horizontal mounting base (bottom view)
Table 2-2 Horizontal mounting base/mounting hole dimensions (unit: mm)
Model
E
VCP026SF
1240
VCP028SF
1240
VCP034SF
1240
VCP038SF
1240
VCP045SF
1440
VCP056SF
1640
VCP066SF
1840
VCP076SF
2040
VCP088SF
2240
VCP096SF
2440
VCP056DF
1640
VCP066DF
1840
VCP076DF
2040
VCP088DF
2240
VCP096DF
2440
Note
The mounting holes are waist-shaped holes, and bolts need to be used to fix the mounting
base.
2.2.2.3 Low temperature component mounting base
The dimensions of the low temperature component mounting base and parts are shown in
Figure 2-3, where the specific dimensions of each model are shown in Table 2-3.
Mounting
holes

Chapter 2. Installation of outdoor unit
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Figure 2-3 Dimensional drawing of low temperature component mounting base (unit: mm)
Table 2-3 Mounting hole size (unit: mm)
Model
L
L1
W
W1
VCL01O-01
853
610
435
400
VCL02O-01
778
578
450
414
2.2.3 Installation space
There should be sufficient installation and maintenance space around the outdoor unit
installation location.
Space requirements
1) Outdoor units require a maintenance space of at least 600mm in front and behind.
2) No obstruction within at least 3000mm of the outdoor unit outlet refer to Figure 2-4,
Figure 2-5.
3) When an outdoor unit is placed on top of another outdoor unit, the above outdoor unit
must be installed on the bracket and a cushion must be added between the unit and the
bracket to play the role of vibration isolation. The correct operation is shown in Figure
2-6.
4) Please refer to Figure 2-7 for the schematic diagram of low temperature component
installation.
Figure 2-4 Horizontal installation space requirements (unit: mm)
Mounting
holes

Chapter 2. Installation of outdoor unit
12 Shenzhen INVT Network Technology Co., Ltd.
Figure 2-5 Vertical installation space requirements (unit: mm)
Figure 2-6 Two outdoor units stacked schematic (unit: mm)
Space requirements
Outdoor machine base edge from its lower base edge distance of at least 50 mm, the base
thickness of not less than 50 mm.
Brackets
Outdoor unit base
Pedestal

Chapter 2. Installation of outdoor unit
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Figure 2-7 Low temperature component installation diagram
2.2.4 Fixation
After the installation location and installation method of outdoor unit is determined, carry the
outdoor unit to the installation location and fix it with M10×30 screws or expansion screws. The
installation should be firm, and stainless steel screws are recommended.
2.2.5 Indoor and outdoor unit piping connection
Please refer to the relevant mechanical installation guidelines in the indoor unit user manual.
2.2.6 Indoor and outdoor unit cable connection
2.2.6.1 Determine the cable specification
Select the power supply cable and signal cable specifications according to the rated operating
current of the fan (see Table 2-1) and installation distance and other site factors.
Table 2-1 Recommended cable diameter for outdoor unit
Outdoor unit model
Fans
Number
（PCS）
Full
load
current
（A）
Recommended
Power Cable
Specifications
（mm2）
Recommended
Signal Cable
Specifications
（mm2）
VCP026SF/VCP028SF/
VCP034SF/VCP038SF
VCP045SF/VCP056SF/VCP056DF
1
2.5
4×1.0
2×0.5
VCP066SF/VCP076SF/VCP088SF/
VCP096SF/ VCP066DF/VCP076DF
VCP088DF/VCP096DF
2
5
4×2.5
2×0.5
Note
The outdoor portion of the cable connecting the indoor unit to the outdoor unit requires the
use of a protective tube.
Pedestal

Chapter 2. Installation of outdoor unit
14 Shenzhen INVT Network Technology Co., Ltd.
2.2.6.2 Connection cables
Outdoor unit: users follow the wiring label as shown in Figure 2-8 below, the power line
(PE/L1/L2/L3) and signal line (AL/AL) from the indoor unit control box outdoor unit output
interface to the outdoor unit corresponding terminals, wiring work is complete, indoor unit
outdoor unit output interface details, please refer to the indoor unit user manual.
PE
L1
L2
L3
AL
AL
Outdoor unit power supply：380V，50/60Hz 3~
Figure 2-8 Outdoor unit wiring cross-reference diagram
Low temperature components: Users follow the wiring label as shown in Figure 2-9, the
indoor unit control box low temperature component terminals (SV/SV/PE/HE/HE) wired to the
corresponding low temperature component terminals, wiring work is complete, indoor unit and
outdoor unit output interface details, please refer to the indoor unit user manual.
SV
SV
PE
HE
HE
Figure 2-9 Low temperature component wiring cross-reference diagram
Note
1) In order to ensure the high waterproof performance of the electric control box, it is
necessary to glue the waterproof joints after the external power supply is connected.
2) When used in low temperature environment, the dual system outdoor unit is equipped
with 2 sets of low temperature components, wiring attention to distinguish between
system No. 1 and system No. 2.
3) The cable should not be in contact with high temperature objects (such as uninsulated
copper pipes, water pipes, etc.) to avoid damaging the insulation layer.
4) Please observe local regulations for wiring.
2.2.7 Pressure-holding, leak detection, vacuuming
See the relevant section of the indoor unit user manual for instructions.

Chapter 3. Outdoor fan inverter
Shenzhen INVT Network Technology Co., Ltd. 15
Chapter 3. Outdoor fan inverter
3.1 Product Description
H-type inverter is a special inverter tailored for outdoor fans. Adopting frequency conversion
speed control device, it intelligently adjusts fan speed to match system heat dissipation demand in
real time, with low operating energy consumption and high comprehensive efficiency.
3.2 H type fan inverter
3.2.1 Port Settings
The wiring terminals are located on the control board of the fan electric control box, and their
distribution is shown in Figure 3-4 and Figure 3-5, and the specific definitions are shown in Table
3-4.
Figure 3-4 Outdoor unit electric control box
Figure 3-5 H-type inverter diagram
Terminal
block
Circuit
Breaker
Fan Inverter
Main power terminal
Control terminals

Chapter 3. Outdoor fan inverter
16 Shenzhen INVT Network Technology Co., Ltd.
Table 3-4 H-type inverter port configuration
Terminal
Symbols
Terminal name and function description
Remarks
R、S、T
Power terminal input :
R：Connect power L1
S：Connect power L2
T：Connect power L3
Ground: Connect to power ground
Do not connect the power
zero line to the ground line
U、V、W
Output terminals :
U：Connecting motor U
V：Connecting motor V
W：Connecting motor W
According to the correct
phase sequence to prevent
the motor from reversing
485+、485-
485 Communication Port
-
AI1、AI2
2 analog inputs（0-5VDC/10VDC）
DI1
1 digital input terminal (opto-isolated)
OP
1 way relay output DO（250VAC/300VAC
1A）
5V2
1 way 5VDC
PE
Ground terminal
-