Panasonic PAW-VP1000LDHW User manual

20200506-1
Commercial System Air Conditioner
Air-to-Water Heat Pump Systems
PAW-VP1000LDHW
PAW-VP750LDHW
PAW-VP380L
Domestic Hot Water System for R410Aand R32 Use
Installation Manual

Air-to-Water Heat Pump Systems
PAW-VP1000LDHW
PAW-VP750LDHW
PAW-VP380L
Domestic Hot Water System for R410Aand R32 Use
Installation Manual
Origin Quick Installation Manual (English)
State of the documentation: 05/2020
Software version: 0.0.0
COPYRIGHT
© Polar EnergiAS 2020.All rights reserved.
Copyright and property rights
The copyright of this manual remains with the manufacturer. No part of this manual may be reproduced in any form or processed,
duplicated or distributed using electronic systems without the written permission of Polar EnergiAS. Infringements which are
contrary to the above. Claims contradict, oblige to damages.All trademarks mentioned in this manual are the property of their
respective manufacturers and are hereby acknowledged.

4DHW PAW-VP - Installation manual – 2020-05
Contents
Contents
Contents
Introduction................................................................................................................... 7
Safety Instructions....................................................................................................... 10
1 Main components ................................................................................................ 19
1.1 Main components PAW-VP1000L / 750L ........................................................................... 19
1.2 Main components PAW-VP380L......................................................................................... 20
1.3 Dimensions.......................................................................................................................... 21
1.4 Main components PAW-VP-RTC5B-PAC........................................................................... 22
1.5 Main components PAW-VP-RTC5B-VRF........................................................................... 22
2 DHW Temperature layering................................................................................. 23
3 Water Piping Installation..................................................................................... 24
3.1 Tank Unit Refrigerant Piping Installation.......................................................................... 24
3.2 DHW Tank Unit Installation Space..................................................................................... 25
3.3 Filling Procedure................................................................................................................. 26
3.4 Emptying Procedure........................................................................................................... 26
3.5 Maintenance Procedure...................................................................................................... 26
3.6 Warranty Conditions........................................................................................................... 27
4 Tubing Data and Refrigerant............................................................................... 28
4.1 Tubing data for DHW and outdoor unit combination....................................................... 28
4.1.1 PAW-VP1000LDHW................................................................................................... 28
4.1.2 PAW-VP750LDHW..................................................................................................... 29
4.2 Tubing data for cooling and heating tank......................................................................... 30
4.2.1 PAW-VP380L............................................................................................................. 30
4.3 Calculation of the refrigerant charge................................................................................ 31
4.4 Temperature loss by refrigerant pipe length.................................................................... 31
5 System drawings ................................................................................................. 32
5.1 System PACi DHW .............................................................................................................. 32
5.2 System PACi/ECOi DHW..................................................................................................... 33
5.3 3 Way-Mixed-System with DHW tank and indoor units................................................... 34
5.4 System U-16MF3E8 with DHW........................................................................................... 36
5.5 System PACi and PAW-VP380L.......................................................................................... 37
5.6 System PACi and PAW-VP380L Cooling/Heating............................................................. 38

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DHW PAW-VP - Installation manual – 2020-05
Contents
Contents
6 Electrical Wiring................................................................................................... 39
6.1 General Precautions on Wiring.......................................................................................... 39
6.2 Recommended Wire Diameter........................................................................................... 40
6.3 Indoor unit Electric Wiring Diagrams................................................................................ 42
6.3.1 Wiring system diagram for EX valve magnetic coil.................................................... 42
6.3.2 Wiring system diagram PACi ..................................................................................... 43
6.3.3 Wiring system diagram ECOi..................................................................................... 45
6.4 How to connect electrical wires and sensors .................................................................. 46
6.4.1 How to connect wiring to the terminal........................................................................ 46
6.4.2 How to connect temp sensors TA, E1, E2, E3 to the tank system............................. 47
6.4.3 How to mount the E1, E2 and E3 sensors on the pipes............................................ 48
6.4.4 How to use with Terminal PAW-VP-RTC5B-PAC....................................................... 49
6.4.5 How to use with Terminal PAW-VP-RTC5B-VRF....................................................... 49
6.5 Solenoid Valve Kit – For 3-Way ECO-i System................................................................. 50
6.5.1 Wiring......................................................................................................................... 50
6.5.2 CZ-P4160HR3 ........................................................................................................... 51
6.5.3 General Precautions on Wiring.................................................................................. 51
6.5.4 Recommended Wire Length and Wire Diameter....................................................... 52
6.5.5 Wiring system diagram .............................................................................................. 52
6.5.6 Installation to the Solenoid Valve Relay Kit................................................................ 54
7 Connecting the Refrigerant Tubing.................................................................... 55
7.1 Use soldering method ........................................................................................................ 55
7.2 Preparation of cooling pipe for tank ................................................................................. 55
7.3 How to install the expansion valve when using ECOi..................................................... 55
7.4 Installation of Refrigerant pipe.......................................................................................... 56
7.5 Expansion valve.................................................................................................................. 56
8 How to make Settings.......................................................................................... 57
8.1 Detailed Settings for Indoor Unit....................................................................................... 57
8.1.1 Setting Procedure for Remote Controller Model CZ-RTC5B..................................... 57
8.1.2 Detailed Setting Procedure for Remote Controller Model CZ-RTC4......................... 59
8.1.3 Detailed Setting Procedure for Remote Controller Model CZ-RTC2......................... 60
8.1.4 Detailed settings for indoor/outdoor unit CZ-RTC5B/RTC4/2.................................... 61
8.1.5 Setting Flow Chart ..................................................................................................... 61
8.1.6 "DN" code setting list ................................................................................................. 62

6DHW PAW-VP - Installation manual – 2020-05
Contents
Contents
8.2 Monitoring operations (Sensor info)................................................................................. 65
8.2.1 How to open the sensor menu................................................................................... 65
8.2.2 Monitoring operations (Sensor info) PACi.................................................................. 65
8.2.3 Monitoring operations (Sensor info) ECOi................................................................. 66
9 Error Codes PACi & ECOi ................................................................................... 67
9.1 Alarm codes for indoor/outdoor units PACi R32 ............................................................. 67
9.2 Alarm codes for indoor/outdoor units PACi R410A......................................................... 69
9.3 Alarm codes for indoor/outdoor units ECOi MF3 ............................................................ 71
10 Electrical Heater................................................................................................... 73
10.1 Models PAW-VP1000LDHW, PAW-VP750LDHW................................................................ 73
10.1.1 Electrical connection three phase 400 V ................................................................... 73
10.1.2 Parts and functions.................................................................................................... 73
10.1.3 Legionella protection cycle ........................................................................................ 74
10.2 Model PAW-VP380L............................................................................................................. 76
10.2.1 Installation of the Heating Unit................................................................................... 76
10.2.2 Electrical Connection................................................................................................. 77
10.3 Start-up and Service........................................................................................................... 78
10.3.1 Operation Keys and Displays .................................................................................... 78
10.3.2 Menu diagram............................................................................................................ 80
10.3.3 Operational Menu ...................................................................................................... 81
10.3.4 Service Menu............................................................................................................. 81
10.4 Checks Before Contacting Service ................................................................................... 82
10.4.1 Factory pre-installed Back-up Heater........................................................................ 82
A Appendix............................................................................................................... 83
A.1 U.K. Accessories: PAW-G3KITL......................................................................................... 83
A.2 Alternative Discharge......................................................................................................... 84
A.3 Installation, Commissioning and Service record sheets ............................................... 85

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DHW PAW-VP - Installation manual – 2020-05
Introduction
Introduction
Important Notice!
Please read before starting
Preparation for operation
Before operating the Air-to-Water Heat Pump System, it is absolutely mandatory to carefully
read and to strictly execute the instructions and settings in Chapter 8.
Failure to follow instructions
The manufacturer shall in no way be responsible for improper installation, problems in opera-
tion, malfunction of the unit or safety hazards resulting from failure to follow the instructions in
this manual.
Target groups
This manual is intended for specialist planners and installers, as well as service companies.
Installation, commissioning and maintenance of the products may only be carried out by quali-
ed specialist personnel. The operation of the products can also be carried out by private
persons.
Treated products
This manual covers the following products:
R32 and R410A products
●Indoor Units, and connectable outdoor units combinations
DHW preparation Heating or Cooling
DHW Tank PAW-VP1000LDHW PAW-VP750LDHW x
Buffer Heating Tank x x PAW-VP380L
Outdoor unit R410A U-16MF3E8 U-16MF3E8 x
Outdoor unit R410A U-250PE2E8A U-250PE2E8A x
Outdoor unit R32 x x U-200PZH2E8

8DHW PAW-VP - Installation manual – 2020-05
Introduction
Used symbols
The text in this manual uses various notices, symbols and textual representations, which are
briey explained below.
Safety-related cautions
Safety-related information alerts users to hazards and provides instructions for the safe, desig-
nated use of the product. This guide uses the following warnings and signs:
DANGER
This symbol refers to a hazard or unsafe practice which can result in severe personal injury or
death.
►Follow the warnings provided to avoid this.
CAUTION
This symbol refers to a hazard or unsafe practice which can result in personal injury or product
or property damage.
►Follow the warnings provided to avoid this.
WARNING
This signal word warns of a situation that can result in property damage.
►Follow the warnings provided to avoid this.
Further used symbols
Warning against Electrical Shock
Further notes
!Important
Important notes that must be followed to ensure that the units work as intended.
iNote
Hints for more useful information.

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DHW PAW-VP - Installation manual – 2020-05
Introduction
Text displays
►indicates instructions in a warning.
1., 2., 3. ... or a, b, c ... indicate steps to be performed in the specied order.
indicates the result of a work step.
indicates the result of a sequence of work steps.
●indicates an enumeration.
[Key] indicates the name of a key.
Option indicates an option of the panel.
Menu » Option indicates a sequence of several options that must be selected one after the
other.
Accent indicates important terms or passages.
(1)indicates references to legends in the text.
→cross-reference indicates a cross-reference.
www.example.com indicates web addresses (without Hyperlink function).

10 DHW PAW-VP - Installation manual – 2020-05
Safety Instructions
Safety Instructions
This Air to water system - Air conditioning system meets strict safety and operating standards.
As the installer or service person, it is an important part of your job to install or service the sys-
tem so it operates safely and efciently.
For safe installation and trouble-free operation, you must:
●Carefully read this instruction booklet before beginning.
●Follow each installation or repair step exactly as shown.
●Observe all local, state, and national electrical codes.
●Pay close attention to all warning and caution notices given in this manual.
DANGER
This symbol refers to a hazard or unsafe practice which can result in severe personal injury or
death.
►Follow the warnings provided to avoid this.
CAUTION
This symbol refers to a hazard or unsafe practice which can result in personal injury or product
or property damage.
►Follow the warnings provided to avoid this.
If Necessary, Get Help
These instructions are all you need for most installation sites and maintenance conditions. If you
require help for a special problem, contact our sales/service outlet or your certied dealer for ad-
ditional instructions.
In Case of Improper Installation
The manufacturer shall in no way be responsible for improper installation or maintenance ser-
vice, including failure to follow the instructions in this document.
Air conditioning System
or
Air-to-Water-System ?