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Panasonic PAW-280PAH3M Basic Installation Instructions

Air handling unit kit
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Read through the Installation Instructions before you proceed with the installation.
Please carefully read the "Safety Precautions". This booklet mainly mentions the safety-related
regulatory matters. Regarding the contents of the installation, please scan the matrix two-dimensional
(2D) barcode and refer to the detailed manuals.
Panasonic will accept no responsibility for any accident or damage that occurs because of such
improper installation in any way not described in the detailed manuals. Also, malfunction caused by
incorrect installation is not covered by the product warranty.
Contents
1.
Safety Precautions ........................................................................................................................... 2
2.
Installation location ......................................................................................................................... 4
2.
Dimensions ...................................................................................................................................... 5
3.
Technical specification - AHU Kit .................................................................................................... 5
4.
Connection cable between outdoor and AHU-Kit ........................................................................... 6
PZ3 / PZH3 connection wiring ..................................................................................................... 6
PZH2 connection wiring............................................................................................................... 7
5.
Terminal connection overview ........................................................................................................ 8
6.
Installation of thermistor on liquid pipe ......................................................................................... 9
7.
Installation of thermistor on heat exchanger pipe middle ........................................................... 10
8.
Installation of thermistor for suction and discharge air stream ................................................... 10
9.
Adjustments before system can operate ...................................................................................... 11
If outdoor unit type PZ3 / PZH3 / PZH2 is connected ............................................................... 11
The basic steps are as follows: .................................................................................................. 11
Adjust the settings ..................................................................................................................... 11
10.
AHU-Kit Wiring lay out .............................................................................................................. 14
11.
Parts location overview ............................................................................................................. 14
Please Read Before Starting
These basic instructions are typical for most installation sites. Please refer to the full Installation
Instructions for extended information! If you require help for a special problem, contact our
sales/service outlet or your certified dealer for additional instructions.
Basic Installation Instructions
Air Handling Unit Kit
PAW-280PAH3M
Model No.
(Use QR Code for full instruction manual)

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Summary of Contents for Panasonic PAW-280PAH3M

  • Page 1: Table Of Contents

    Regarding the contents of the installation, please scan the matrix two-dimensional (2D) barcode and refer to the detailed manuals. Panasonic will accept no responsibility for any accident or damage that occurs because of such improper installation in any way not described in the detailed manuals. Also, malfunction caused by incorrect installation is not covered by the product warranty.

  • Page 2: Safety Precautions

    • Select an installation location which is rigid and strong enough to support or hold this Air Handling Unit Kit and select a location for easy maintenance. • Use only the parts specified by Panasonic as supplied accessories. • Ensure cables are installed properly so that external forces cannot affect them.
  • Page 3 WARNING • This Air Handling Unit Kit must be installed by the sales dealer or installer. • When installing the Air Handling Unit Kit, use appropriate protective equipment and tools for safety. • This Air Handling Unit Kit should be securely installed in accordance with the Installation Instructions.

  • Page 4: Installation Location

    Note • Install this Air Handling Unit Kit vertically. • When attaching this Air Handling Unit Kit, be sure to fix it in a proper way and confirm that Air Handling Unit is fixed. • The warranty does not cover the product if it falls from an elevated location. •...

  • Page 5: Dimensions

    2. Dimensions 3. Technical specification – AHU Kit PAW-280PAH3M technical data Unit Value Power source V / ph / Hz 220 … 240 / 1 / 50 Rated current consumption Rated power consumption (max.) 18.0 Dimensions (enclosure) 400 x 500 x 150 (W x H x D) Net weight 11.5...

  • Page 6: Connection Cable Between Outdoor And Ahu-Kit

    4. Connection cable between outdoor unit and AHU-Kit a. PZ3 / PZH3 connection wiring For the power supply cable of the outdoor units, refer to the relevant installation instructions of the outdoor unit in question. Connection cable between AHU kit and outdoor unit: Outdoor Unit Connection cable U-36 ~ 71PZ3E5...

  • Page 7: Pzh2 Connection Wiring

    b. PZH2 connection wiring Outdoor Unit For the circuit breaker, power supply cable, others refer to the installation instructions of the outdoor units AHU-Kit Circuit breaker Control and power supply cable 6 A* 0,75 mm²** (min.) *Circuit breaker must be incorporated in the fixed wiring in accordance with the wiring regulations.

  • Page 8: Terminal Connection Overview

    5. Terminal connection overview Termin Allocation Function Description al No. External Potential: 230 V AC, max. 1 ⚫ Live Live Terminal X1.1 ⚫ Neutral Neutral Terminal X1.2 ⚫ Comm Communication terminal Internal potential 0 - 75 V DC X1.3 ⚫ Protective earth Protective Earth Conductor X1.4...

  • Page 9: Installation Of Thermistor On Liquid Pipe

    data service manual for details. 5 V LV3 demand control / EXCT (forcibly ⚫ Demand Input 3 X4.18 thermostat off) input DC 0.5mA Current input ⚫ No polarity X5.1 Communication bus wiring P-link Required for centralized controller ⚫ No polarity X5.2 ⚫...

  • Page 10: Installation Of Thermistor On Heat Exchanger Pipe Middle

    Cover the thermistor and pipe with aluminum tape. Cover the aluminum tape with thermal insulation. Fix thermal insulation and wiring with two bands. Then, run the wire downwards in a loop, to avoid putting tension and prevent ingress of moisture due to condensate.

  • Page 11: Adjustments Before System Can Operate

    9. Adjustments before system can operate a. If outdoor unit type PZ3 / PZH3 / PZH2 is connected It is necessary to set the PACi NX Air Handling Unit Kit manually to a dedicated capacity. This cannot be done automatically. b.
  • Page 12 Make sure “Code no.” is highlighted, using up/down arrows if needed. If not highlighted, press enter key shortly, and you will be able to alter the code number using up/down arrows. Select code number “11” and press enter key shortly, if not already highlighted, with up/down arrows make sure “Set data”...
  • Page 13 Instruction Image You will be back in the same screen as indicated in Number 3. Press enter again and “Code no.” will be highlighted. In this state keep pressing enter button for 2 seconds or more and you will be directly in the 6 digit “Code no.”...

  • Page 14: Ahu-Kit Wiring Lay Out

    AHU-Kit Wiring lay out Parts location overview...
  • Page 15 NOTES:...
  • Page 16 Klein Solutions GmbH & Co. KG Kanadastraße 4 D-58675 Hemer Germany...

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