Panasonic PAW-160MAH2L User manual

Air Handling Unit Kit
Installation Instructions
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3
Air Handling Unit Kit
Installation Instructions
Original Installation Instructions (English)
February 2016
COPYRIGHT
© Panasonic Marketing Europe GmbH 2016.All rights reserved.
.

4
Table of contents
1
General information and safety instructions
....................................................
6
1.1
Introduction
.........................................................................................................................
6
1.2
Structure and meaning of notices and symbols
..............................................................
7
1.3
Safety instructions
..............................................................................................................
8
1.4
Warranty policy
...................................................................................................................
9
2
Ventilation theory and air handling units
..........................................................
10
2.1
Purpose of air-conditioning
...............................................................................................
10
2.2
Mechanical ventilation systems
........................................................................................
11
2.3
Air handling units
................................................................................................................
11
3
Product description
.............................................................................................
14
3.1
General description
............................................................................................................
14
3.2
Scope of supply
..................................................................................................................
15
3.3
System lineup
......................................................................................................................
20
3.4
System Overview
................................................................................................................
22
3.5
Technical data
.....................................................................................................................
26
4
Installation
............................................................................................................
32
4.1
Installation of AHU
Kit
........................................................................................................
32
4.2
Installation of refrigerant piping
........................................................................................
35
4.3
Installation of expansion valve
..........................................................................................
35
4.4
Installation of thermistors
..................................................................................................
37
4.4.1
Installation of thermistor on gas pipe
........................................................................
38
4.4.2
Installation of thermistor on liquid pipe
.....................................................................
39
4.4.3
Installation of thermistor on heat exchanger pipe middle
.........................................
40
4.4.4
Installation of thermistor for suction and discharge air stream
.................................
41
4.5
Matching outdoor unit capacity with AHU
Kit capacity
...................................................
41
5
Electrical Wiring
...................................................................................................
45
5.1
General precautions on wiring
..........................................................................................
45
5.2
Recommended wire lengths and diameters
.....................................................................
46
5.3
Connection of wiring to terminals
.....................................................................................
46
5.4
Terminal board layout
.........................................................................................................
48
5.5
Wiring layout
.......................................................................................................................
52
5.6
Wiring system diagrams
.....................................................................................................
60
5.7
Connection of external signal lines
...................................................................................
63
6
Test Run
................................................................................................................
68

5
7
Control
..................................................................................................................
69
7.1
Remote controller
...............................................................................................................
69
7.2
Thermostat
...........................................................................................................................
69
7.2.1
Control and display elements
...................................................................................
69
7.2.2
Operation
..................................................................................................................
70
7.2.3
Initial Settings
...........................................................................................................
75
7.2.4
Error Codes
..............................................................................................................
80
7.2.5
Maintenance and Service
.........................................................................................
80

6
General information and safety instructions
1
General information and safety instructions
1.1
Introduction
This document contains the installation instructions for the PanasonicAHU
Kits.
AHU
Kits connect Panasonic ECOi, ECO
G and PACi outdoor units to third-party air handling
unit systems, using the same refrigerant circuit as the VRF system.
-
ings where air quality control such as humidity control and fresh air is needed.
The AHU
Kits are supplied in three different product versions, “light”, “medium” or “advanced”,
Product version
Light
PAW-160MAH2L
PAW-280MAH2L
PAW-280PAH2L
PAW-560MAH2L
Medium
PAW-160MAH2M
PAW-280MAH2M
PAW-280PAH2M
PAW-560MAH2M
Advanced
PAW-160MAH2
PAW-280MAH2
PAW-280PAH2
PAW-560MAH2
installation instructions and especially with the safety instructions given in this document.
-
Due to the ongoing development and innovation of Panasonic products, this document and
i

7
General information and safety instructions
1.2
Structure and meaning of notices and symbols
Safety notices
WARNING
This indicates a hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION
This indicates a hazardous situation which, if not avoided, could result in minor or moderate
injury.
NOTICE
This indicates a hazardous situation which, if not avoided, could result in property damage.
Other notices
Important
This indicates other important information or references to other useful sources of technical data
and descriptions.
!
i

8
General information and safety instructions
1.3
Safety instructions
WARNING
which could result in death or serious injury.
procedures.
Arrange installation at the dealer where the system was purchased or use a
professional installer.
electrical circuit capacity or use with other electrical devices.
Strictly avoid using other electrical devices within the same electrical circuit.
-
Suffocation can result if refrigerant gas leaks and exceeds the limit density in a small
room.
3
, in accordance with the local regulatioins for facility
air conditioning equipment.
If the refrigerant gas concentration does exceed the limit density, do one of the
the equipment
After installation of refrigerant pipes, perform a dry nitrogen gas sealing test to

9
General information and safety instructions
Prevent the refrigerant gas from coming into contact with a fan heater, stove,
accidents.
Install in a location that is fully strong enough to support the weight of the
equipment.
storms and other strong winds.
directly.
CAUTION
which could result in minor or moderate injury.
or failure to install an earth leakage breaker.
Be sure to ground equipment properly.
Do not attach ground wires to gas pipes, water pipes, lightning arresters, or
telephone ground lines.
way.
1.4
Warranty policy
of your complete AHU system which incorporates our AHU
Kit, nor for the components used in
-
-
your AHU system.
-

10
Ventilation theory and air handling units
2
Ventilation theory and air handling units
2.1
Purpose of air-conditioning
-
cupants and to provide energy saving potentials for the owner.
Comfort
air temperature
relative air humidity
A temperature setpoint of 22
°C and a relative humidity setpoint of 45
% with variations of ±2
°C
-
2
Absolute humidity
rh = relative humidity
Cooling and
humdifying
Heating and
humdifying
Humdifying and
reheating, if required
Humdifying only
Comfort range
35
%rh
24
°C
20
°C
65
%rh
Cooling only
Heating only
Energy savings
Besides the advantages in terms of indoor air quality, air conditioning offers also an energy sav
-
ing potential. For example, while uncontrolled ventilation through open windows leads to large