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Product description
3
Product description
3.1
General description
The Panasonic AHU Kits offer a wealth of connectivity possibilities so that they can be easily inte-
grated into many systems.
The AHU Kits are part of an on-going development process aiming at constant improvement of
the product to better meet customer demand. The new generation model, PAW-280PAH3M(-1),
has been developed to connect the new PACi NX outdoor units to third party AHU systems.
However, it is also compatible with PACi outdoor units.
3
* Only available with all ECOi, PACi Elite and PACi NX units, but not with ECO G units.
Features and benefits
Depending on the AHU Kit version, the devices offer the following features and benefits:
Features and benefits
Connectable with P-LINK system.
Connectable with MD protocol system
Fan control signal from the PCB can be used for controlling the air volume of an
external fan (High/Mid/Low and LL for Th-OFF)
(Need to change the fan control circuit wiring at field.)
Defrost operation signal, Thermo-ON/OFF states output
Drain pump control
(Drain-pump and the float switch to be field-supplied)
Basic humidifier control output
(Humidifier to be field-supplied)
Alarm and operation output
The system is controlled by the air intake (or room return air) temperature in the same
way as a standard indoor unit. Selectable modes: Automatic / Cooling / Heating / Fan
/ Dry (equivalent to Cooling).
Easy integration into BMS or AHU control systems using demand control: 40 to 115 %
(5 % steps) of nominal current by 0–10 V input signal
Temperature set point adjustment by external control system using 0–10 V or
0–140 Ohm signal
Room supply air temperature can be controlled by the additional thermostat, its
supply air temperature sensor and the 0–10 V input signal for enhanced comfort and
efficiency
Target temperature setting based on ambient temperature with CZ-CAPBC2 interface
using 0–10 V signal
Outdoor unit quiet mode operation
1 Only float switch signal available, but no drain pump control signal.
2 Only possible in combination with U-71PZH3E5/8, U-100/125/140PZ(H)3E5/8 and after setting the proper parameters.
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● Three versions available for MAH2/PAH2 generation, depending on the required
functionality (light, medium or advanced version), medium version available for PAH3
generation
● IP65 enclosure (MAH2/PAH2 and PAH3 generation) providing the possibility for
outdoor installation
● 0–10 V demand control* (included on the CZ-CAPBC2 interface)
● Easy control by BMS
Product generation
Product version
Light
X
–
X
X
X
X
X
X
–
–
–
–
–
AHU Kit – Installation Instructions – 11/2021
MAH2/PAH2
PAH3
Medium
Advanced
Medium
X
X
X
–
–
X
X
X
X
X
X
X
X
X
–
1
X
X
–
X
X
X
X
X
X
X
X
X
X
X
X
–
X
–
–
X
–
–
–
X
2
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