Solutions for 24/7/365 applications

High efficiency products for 24/7 applications.

Panasonic has developed a complete range of solutions for server rooms which efficiently protect your servers, keeping them at an appropriate temperature even when the outdoor temperature is below -20°C.


High efficiency all the year

Key points:
· From 2,5 to 7,1kW with TKEA R32 refrigerant units A+++ in cooling
· PACi units from 3,6 to 14,0kW
· Backup function
· Redundancy function
· Alternative run function
· Error information by Dry Contact
· Operation even at -20°C outdoor temperature
· High seasonal performance
· Product design for 24/7 operation

Interface to run 2 TKEA / PKEA. PAW-SERVER-PKEA

The PAW-SERVER-PKEA server room interface manages redundancy and backup of two TKEA / PKEA units with two different selectable modes:
· Plug and play by embedded redundancy and backup algorithm (no external signal needed. Further details please refer to operation manual)
· External (third party PLC) redundancy and backup management by Dry Contact
All settings are possible without the need for a computer connection.


A special Energy Saving Mode is selectable by deep switch (available only in plug and play mode). The level of remote control input prohibition can be set when external management is by Dry Contact.




Output Alarm Signal
A unit
B unit
(2 x Dry Contact maximum 12V)


Output Run Signal
A unit
B unit
(2 x Dry Contact maximum 12V)

Cable maximum length 3 meters each CN-CNT




Input ON/OFF Signal
A unit
B unit
(2 x Dry Contact maximum 12V)


Input PCB Special Settings
1 x Connection port to PC

a. Jumper 1
Energy Saving Function
b. Jumper 2
Enable ON OFF Dry Contact (maximum 12V)
c. Standard remote control

Interfaces to run 2 or 3 PACi and VRF indoor units

PAW-PACR3

In combination with one PAW-T10 on each indoor unit, allows the redundant operation of 2 (or 3) PACi or VRF indoor units.
All units will be operated sequentially in order to achieve the same operating time (example turn every 8 hours within a 24 hour period).
If the room temperature exceeds a freely set value, the 2nd (or 3rd) unit will be switched ON and an alarm will be activated.
Alarm contact
Room thermostat
External contacts


Display and Settings:
· Possible to select next unit manually
· Possible to reset operation
· LED display shows operation status of the 2 or 3 units

· Operation status output
· Alarm LED and alarm output
· Temperature limit can be set

· Temperature hysteresis can be set
· Room temperature is displayed
· Time counter displayed
Backup control by using CZ-RTC5B

Group wiring of 2 systems of PACi can do auto individual control.
· Rotation operation
· Backup operation
· Support operation
System 1

System 2
CZ-CAPRA1
RAC interface adapter for integration into P‑Link.

More information >