Table of contents
Installation and operation manual
5
SERHQ020~0 SEHVX20~64BAW
Split packaged air-cooled water chiller
4P508019-2B – 2018.01
Table of contents
1 About the documentation
6
1.1
About this document..................................................................
6
For the installer
6
2 About the box
6
2.1
Outdoor unit...............................................................................
6
2.1.1
To remove the accessories from the outdoor unit.......
6
2.2
Indoor unit .................................................................................
7
2.2.1
To remove the accessories from the indoor unit.........
7
3 About the units and options
7
3.1
Identification ..............................................................................
7
3.1.1
About the outdoor unit.................................................
7
3.1.2
About the indoor unit...................................................
7
3.1.3
Operation range ..........................................................
7
3.2
System layout ............................................................................
7
4 Preparation
8
4.1
Preparing the installation site ....................................................
8
4.1.1
Installation site requirements of the outdoor unit ........
8
4.1.2
Installation site requirements of the indoor unit ..........
9
4.2
Preparing refrigerant piping .......................................................
9
4.2.1
Refrigerant piping requirements..................................
9
4.2.2
To select the piping size .............................................
9
4.2.3
About the piping length ............................................... 10
4.3
Preparing water piping ..............................................................
10
4.3.1
To check the water volume and expansion vessel
pre-pressure................................................................ 10
4.4
Preparing electrical wiring .........................................................
11
4.4.1
Safety device requirements ........................................ 11
5 Installation
11
5.1
Opening the units ......................................................................
11
5.1.1
About opening the units .............................................. 11
5.1.2
To open the outdoor unit............................................. 11
5.1.3
To open the indoor unit ............................................... 12
5.1.4
To open the electrical component box of the outdoor
unit .............................................................................. 12
5.1.5
To open the electrical component box of the indoor
unit .............................................................................. 12
5.2
Mounting the outdoor unit..........................................................
12
5.2.1
To provide the installation structure ............................ 12
5.2.2
To provide drainage .................................................... 13
5.3
Mounting the indoor unit............................................................
13
5.3.1
To provide the installation structure ............................ 13
5.4
Connecting the refrigerant piping ..............................................
14
5.4.1
Using the stop valve and service port ......................... 14
5.4.2
To connect the refrigerant piping to the outdoor unit .. 14
5.4.3
To connect the refrigerant piping to the indoor unit .... 16
5.5
Checking the refrigerant piping .................................................
17
5.5.1
Checking refrigerant piping: Setup.............................. 17
5.5.2
To check for leaks: Pressure leak test ........................ 17
5.5.3
To perform vacuum drying .......................................... 17
5.5.4
To insulate the refrigerant piping ................................ 17
5.6
Charging refrigerant ..................................................................
17
5.6.1
About charging refrigerant .......................................... 17
5.6.2
Precautions when charging refrigerant ....................... 17
5.6.3
To determine the additional refrigerant amount .......... 18
5.6.4
To charge refrigerant .................................................. 18
5.6.5
Error codes when charging refrigerant........................ 20
5.6.6
Final adjustment of the refrigerant amount ................. 21
5.6.7
To input the additional refrigerant charge weight........ 21
5.6.8
Checks after charging refrigerant................................ 22
5.6.9
To fix the fluorinated greenhouse gases label ............ 22
5.7
Connecting the water piping ....................................................... 22
5.7.1
To connect the water piping......................................... 22
5.7.2
To fill the water circuit .................................................. 22
5.7.3
To insulate the water piping ......................................... 23
5.8
Connecting the electrical wiring.................................................. 23
5.8.1
Field wiring: Overview.................................................. 23
5.8.2
To route and fix the power supply................................ 23
5.8.3
To connect the power supply of the outdoor unit ......... 23
5.8.4
To connect the power supply and transmission
cables........................................................................... 25
5.8.5
Guidelines when knocking out knockout holes ............ 25
5.8.6
To install the user interface.......................................... 26
5.8.7
To install optional equipment ....................................... 26
6 Configuration
26
6.1
Making field settings ................................................................... 26
6.1.1
About making field settings .......................................... 26
6.1.2
Field setting components ............................................. 27
6.1.3
To access the field setting components....................... 27
6.1.4
To access mode 1 or 2 ................................................ 27
6.1.5
To use mode 1 ............................................................. 28
6.1.6
To use mode 2 ............................................................. 28
6.1.7
Mode 1: Monitoring settings......................................... 28
6.1.8
Mode 2: Field settings.................................................. 29
6.1.9
Field settings on the user interface .............................. 29
6.2
Using the leak detection function ............................................... 34
6.2.1
About automatic leak detection.................................... 34
6.2.2
To manually perform a leak detection.......................... 34
6.3
Switching between cooling and heating ..................................... 34
7 Commissioning
35
7.1
Precautions when commissioning .............................................. 35
7.2
Checklist before commissioning the outdoor unit ....................... 35
7.3
Checklist before commissioning the indoor unit ......................... 36
7.4
Final check ................................................................................. 37
7.5
To perform a test run of the outdoor unit.................................... 37
7.5.1
Refrigerant added using automatic charging ............... 37
7.5.2
Refrigerant added using manual charging (cooling
mode)........................................................................... 37
7.5.3
Refrigerant added using manual charging (heating
mode, pre-charging)..................................................... 37
7.6
Correcting after abnormal completion of the test run ................. 38
8 Troubleshooting
38
8.1
Error codes: Overview ................................................................ 38
8.1.1
Error codes of the outdoor unit .................................... 39
9 Technical data
39
9.1
Service space: Outdoor unit ....................................................... 39
9.2
Service space: Indoor unit .......................................................... 40
9.3
Piping diagram: Outdoor unit...................................................... 41
9.4
Piping diagram: Indoor unit ........................................................ 42
9.5
Wiring diagram: Outdoor unit ..................................................... 43
9.6
Wiring diagram: Indoor unit ........................................................ 44
For the user
44
10 About the system
44
10.1
System layout ............................................................................. 44
11 User interface
45
12 Operation
45
12.1
Operation range ......................................................................... 45
12.2
Quick start-up ............................................................................. 45
12.3
Operating the system ................................................................. 46
12.3.1
About the clock ............................................................ 46
12.3.2
About operating the system ......................................... 47
12.3.3
Space cooling operation .............................................. 47
12.3.4
Space heating operation .............................................. 47
12.3.5
Other operation modes ................................................ 48
Summary of Contents for SERHQ020BAW1
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