AHU Connection Kit for PACi, ECOi and GHP

AHU Kit combine air conditioning and fresh air in just one solution.

New AHU Kits connect ECOi systems to air handling unit systems, using the same refrigerant circuit as the VRF system.

Large connectivity possibilities mean the Panasonic AHU Kit can be easily integrated.
Heat exchanger, Fan & Fan motor to be mounted in AHU Kit shall be provided in the field.
AHU connection Kit (field supplied) AHU Kit system. (Contents of kit: Control for PCB, expansion valve, sensors).
AHU Kit combine air conditioning and fresh air in just one solution.
The Panasonic AHU Kits offer a wealth of connectivity possibilities so can be easily integrated into many systems.
Application: Hotels, offices, server rooms or all large buildings where air quality control such as humidity control and fresh air and is needed.
Besides the advantages in terms of indoor air quality, air conditioning offers also an energy saving potential. For example, while uncontrolled ventilation through open windows leads to large amounts of heat being lost to the outside during the heating season or gained from the outside during the cooling season, air conditioning systems provide possibilities to utilize the extra “free” energy in heat recovery modules so that overall operating costs will be reduced.
The larger the area of the comfort range, the better the energy saving opportunities.
Panasonic AHU Kit, 10-25kW connected to PACi outdoor unit
Compatible with R32 or R410A outdoor units
The new Air Handling Unit Kit has been developed to better meet customer demand: IP 65 Box in order to be installed outside, 0-10V demand control* and easy control by BMS
* Only available with Elite PACi, up to from 6kW to 14kW.

Panasonic AHU Kit, 16-56kW connected to ECOi or ECO G
PCB, Transformer, Solenoid Control Valve, Thermistor x 4 pcs, Terminal Base and Electrical Component Box.
Main components of mechanical ventilation systems
The main components of a mechanical ventilation system are the following: Air Handling Unit (AHU), air ducts and air distribution elements.
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Demand control on the outdoor unit managed by external 0–10V signal.
1. AHU control kit
2. External BMS
3. 0–10V Capacity control
4. PACi or ECOi/ECO G outdoor unit
5. Air Handling Unit (AHU)
1. Exhaust air
2. Outside air
3. Return air
4. Supply air
AHU Kit connects PACi outdoor units to Air Handling Units system
The Panasonic AHU Kits offer a wealth of connectivity possibilities so can be easily integrated into many systems.
Application: Hotels, offices, server rooms or all large buildings where air quality control such as humidity control and fresh air and is needed.

1. Remote control CZ-RTC4
2. New plastic IP 65 Box
3. PAW‑T10 PCB for dry contact
4. 0-10V demand control PCB
5. Intelligent thermostat for:
  • Cold draft prevention
  • Outdoor temperature shift compensation
6. Terminal base for sensors and power supply
AHU Connection Kit
PCB, Power trans, Terminal block
Thermistor x2 (Refrigerant: E1, E2)
Thermistor (Air: TA; 1 sensor)
Standard wired remote controller.

AHU Kit 10-25kW for PACi

AHU Kit connects PACi outdoor units to Air Handling Units system

Control option 1: PAW-280PAH2L
  • The system’s control is simple: control of actual suction temperature vs. set point
  • Control works in the same way as that of any indoor unit
  • Fan signal issued by the PCB (OFF while defrosting, for instance)
Control option 2: PAW-280PAH2
  • System control by probe located at air intake. Sensor works as a 0–10V control thermostat which manages the set point temperature. Control to prevent cold draughts.
  • All signals as per standard
Control option 3: PAW-280PAH2
  • System control by external environment probe. Sensor works as a 0–10V control thermostat which manages the set point temperature. Enhances efficiency by adjusting capacity to the ambient temperature and enhances comfort as well.
  • All signals as per standard
Control option 4: PAW-280PAH2
  • System control by a 0–10V control working from an external BMS that manages the set point for the temperature or the capacity. Enhances efficiency by adjusting capacity to the ambient temperature and enhances comfort as well.
  • All signals as per standard

3 types of AHU Kit: Deluxe, Medium and Light

PAW-280PAH2: IP 65, 0-10V demand control* and outdoor temperature shift compensation. Cold draft prevention.
PAW-280PAH2M: IP 65 and 0-10V demand control*.
PAW-280PAH2L: IP 65.

* With CZ-CAPBC2.

AHU Kit 16, 28 and 56kW for ECOi and GHP

ECOi 2-Pipe 6N Series outdoor unit shall be used for AHU Connection Kit.

System example for large capacity (more than 56kW)
3 x [PCB, Transformer, Solenoid Control Valve, Thermistor x 4 pcs, Terminal Base and Electrical Component Box]. Example 140kW system.
1. Gas tube / 2. Liquid tube / 3. Outdoor unit / Indoor unit communication / 4. Inlet temperature / 5. Outlet temperature / 6. Liquid temperature / 7. Gas temperature / 8. Fan operation signal / 9. Fan motor control PCB

3 types of AHU Kit: Deluxe, Medium and Light.

PAW‑160MAH2 / PAW‑280MAH2 / PAW‑560MAH2: IP 65, 0-10V demand control* and outdoor temperature shift compensation. Cold draft prevention.
PAW‑160MAH2M / PAW‑280MAH2M / PAW‑560MAH2M: IP 65 and 0-10V demand control*.
PAW‑160MAH2L / PAW‑280MAH2L / PAW‑560MAH2L: IP 65.

Optional parts: Following functions are available by using different control accessories:

CZ-RTC4 Timer remote controller.
  • Operation-ON/OFF
  • Mode select
  • Temperature setting
* Fan operation signal can be taken from the PCB.

CZ-CAPBC2 Mini seri-para I/O unit (advanced version only).
  • Easy integration in external AHU control systems and BMS
  • Demand control: 40 to 115% (5 % steps) of nominal current by 0–10V input signal*
  • Target temperature setting by 0–10V or 0–140Ω input signal*
  • Room supply air temperature output by 4–20mA signal
  • Mode select or/and ON/OFF control
  • Fan operation control
  • Operation status output/ Alarm output
  • Thermostat ON/OFF control
* Demand control by external BMS cannot be combined with the demand control or target temperature setting accomplished by the thermostat. However, if simultaneous demand control and target temperature setting is needed, this can only be achieved by using a second (optional) CZ-CAPBC2 interface.
PAW‑OCT, DC12V outlet. OPTION terminal.
  • Output signal= Cooling/Heating/Fan status
  • Defrost
  • Thermostat-ON

CZ-T10 terminal / PAW‑T10 PCB to connect to T10 connector.
  • A Dry contact PCB has been developed to easily control the unit
  • Input signal operation ON/OFF
  • Remote control prohibition
  • Output signal Operation ON status maximum 230V 5A (NO/NC)
  • Output signal alarm status max. 230V 5A (NO/NC)
  • Alarm output (by DC12V)
  • Additional available contacts:
- External humidifier control (ON/OFF) 230VAC 3A
- External fan control (ON/OFF) 12V DC
- External filter status signal potential free
- External float switch signal potential free
- External leakage detection sensor or TH. OFF contact potential free (possible usage for external blow out temperature control)