Table of Contents
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Table of contents
Table of contents
2.1
Inspection, handling and unpacking the unit ..................................4
2.2
Opening the unit .............................................................................5
2.3
Accessories ....................................................................................5
2.4
Method for removing shipping plate ...............................................6
3.1
Standard operation limit ..................................................................6
3.2
Identification label: Outside unit ......................................................7
3.3
About the outside unit .....................................................................7
3.4
System layout .................................................................................7
3.5
Combining units and options ..........................................................8
3.5.1
About combining units and options ..................................8
3.5.2
Connection Ratio .............................................................8
3.5.3
Possible combinations of outside units ............................8
3.5.4
Outside Unit Combinations ..............................................8
3.5.5
Possible options for the outside unit ................................9
4.1
Overview: Preparation ....................................................................9
4.2
Preparing installation site ...............................................................9
4.2.1
Installation site requirements of the outside unit ..............9
4.2.2
Securing safety against refrigerant leaks .......................10
4.3
Refrigerant pipe size and allowable length ...................................11
4.3.1
Selection of piping material ............................................11
4.3.2
To select the piping size ................................................11
4.3.3
To select refrigerant branch kits .....................................12
4.3.4
System piping (length) limitation ....................................13
4.3.5
combinations ..................................................................13
4.3.6
Multiple module: Possible layouts ..................................14
4.3.7
Piping length requirements ............................................15
4.4
Preparing water piping ..................................................................15
4.4.1
Water quality requirements ............................................15
4.4.2
Water circuit requirements .............................................16
4.4.3
exchanger .....................................................................17
4.4.4
Variable water flow rate .................................................17
4.5
Field wiring ..................................................................................18
4.5.1
Safety device requirements ...........................................18
5.1
Unpacking and placing the unit ....................................................19
5.1.1
To open the outside unit ................................................19
5.1.2
Accessing the control box .............................................19
5.2
Mounting the outside unit .............................................................19
5.2.1
To provide the installation structure ...............................19
5.3
Refrigerant piping .........................................................................19
5.3.1
Precautions when connecting refrigerant piping ............19
5.3.2
Connecting the refrigerant piping ...................................20
5.3.3
Routing refrigerant piping ...............................................20
5.3.4
5.3.5
Multi connection piping kit connection ...........................21
5.3.6
To connect the refrigerant branching kit ........................21
5.3.7
Protection against contamination ...................................21
5.3.8
To braze the pipe end ....................................................21
5.3.9
Using the stop valve and service port ............................22
5.3.10
To remove the pinched pipes .........................................22
5.4
Checking the refrigerant piping .....................................................23
5.4.1
About checking the refrigerant piping ............................23
5.4.2
Checking refrigerant piping: General guidelines ............24
5.4.3
Checking refrigerant piping: Setup .................................24
5.4.4
Air tight test and vacuum drying .....................................24
5.5
To insulate the refrigerant piping ..................................................25
5.6
Charging refrigerant ......................................................................25
5.6.1
Precautions when charging refrigerant ..........................25
2
5.6.2
Charging refrigerant .......................................................26
5.6.3
To determine the additional refrigerant amount .............26
3
5.6.4
To charge refrigerant .....................................................28
5.6.5
Final charge adjustment .................................................29
4
5.6.6
Checks after charging refrigerant ...................................29
5.7
Connecting the water piping .........................................................29
5.7.1
About connecting the water piping .................................29
5.7.2
Precautions when connecting the water piping ..............29
5.7.3
To connect the water piping ...........................................29
6
5.7.4
To fill the water circuit ....................................................29
5.7.5
To insulate the water piping ...........................................30
5.8
Connecting the electrical wiring ....................................................30
5.8.1
Precautions when connecting electrical wiring ..............30
5.8.2
Field wiring: Overview ....................................................30
5.8.3
About the electrical wiring ..............................................31
5.8.4
To route and fix the transmission wiring ........................32
5.8.5
To connect the transmission wiring ................................32
5.8.6
To finish the transmission wiring ....................................32
5.8.7
To route and fix the power supply ..................................32
5.8.8
To connect the power supply .........................................33
9
5.8.9
To connect the conduit ...................................................33
5.8.10
To connect the optional wiring .......................................33
7.1
Overview: Configuration ...............................................................35
7.2
Making field settings .....................................................................35
7.2.1
About making field settings ............................................35
7.2.2
Field setting components ...............................................35
7.2.3
To access the field setting components .........................35
7.2.4
To access mode 1 or 2 ..................................................35
7.2.5
To use mode 1 ...............................................................36
7.2.6
To use mode 2 ...............................................................36
7.2.7
Mode 1: Monitoring settings ...........................................36
7.2.8
Mode 2: Field settings ....................................................37
7.2.9
8.1
Overview: Commissioning ............................................................41
8.2
Precautions when commissioning ................................................41
8.3
Checklist before commissioning ...................................................41
8.4
About test run ...............................................................................42
19
8.5
To perform a test run ....................................................................42
8.6
Correcting after abnormal completion of the test run ...................43
8.7
Operating the unit .........................................................................43
9.1
Overview: Maintenance and service .............................................43
9.2
Maintenance safety precautions ...................................................43
9.2.1
To prevent electrical hazards .........................................43
9.3
Maintenance of the plate heat exchanger ....................................44
9.3.1
Daily service and maintenance ......................................44
9.3.2
Maintenance of plate-type heat exchanger ....................44
9.4
About service mode operation ......................................................45
9.4.1
To use vacuum mode ....................................................45
9.4.2
To recover refrigerant ....................................................45
10.1
Overview: Troubleshooting ...........................................................45
10.2
Solving problems based on error codes .......................................45
10.3
Error codes: Overview ..................................................................46
11.1
Overview: Technical data .............................................................48
11.2
Service space: Outside unit ..........................................................48
11.3
Piping diagram: Outside unit ........................................................49
11.4
Wiring diagram: Outside unit ........................................................50
4P540122-1B - 2018.11
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