Kit GENERAL AIRSTAGE UTY-XWZXZ5 | Montreal, Laval, Longueuil, South Shore & North Shore

Hotel, office, school, managed building: in these buildings, the heat pump is part of a whole. It follows an occupancy schedule, switches off when a room is vacated and reports its faults to the building management system. To connect the indoor unit to that system, it needs inputs and outputs: that is what the GENERAL AIRSTAGE UTY-XWZXZ5 dry contact wire kit provides. It differs from the Fujitsu AIRSTAGE-branded UTY-XWZXZ5 only by its GENERAL name (compare with the same part under the Fujitsu AIRSTAGE brand). That name stems from the change that took place on January 1, 2026, when Fujitsu General Limited, acquired by Paloma Rheem Holdings, became GENERAL Inc., a change that affects neither the manufacturer nor its factories, its AIRSTAGE products or its model numbers. The transition is gradual: as long as the Fujitsu brand circulates alongside GENERAL, AirGreen, an authorized GENERAL and Fujitsu AIRSTAGE dealer, sells the part under either name.

Three pairs of wires, three roles

Each pair of wires in the UTY-XWZXZ5 has its own function:

1. first, on the orange and yellow wires, an external input ready to receive a dry contact signal;
2. next, an operating status output, on the blue and purple wires, to know whether the unit is running or stopped;
3. finally, an error output, on the red and white wires, which gives warning of a fault.

On the input side, the options are many: building management system (BMS), timer, presence detector, hotel card switch or controller (PLC). Two configuration modes are available: on/off, or forced off, which neutralizes the remote for as long as the input stays active. Add to that support for peak shaving (peak-cut) and a maximum wiring reach of 10 m.

Technical specifications

• Type: dry contact wire kit (external inputs and outputs)
• Compatible systems: GENERAL or Fujitsu wall-mounted and floor indoor units, including ASYG LUCA, LTCA and LMCA wall-mounted models and AGTG floor units
• Communication kit: required as an option on some units
• External input: orange/yellow wires; on/off mode or forced off (remote disabled)
• Run output: blue/purple wires; on/off status
• Error output: red/white wires
• Peak shaving: supported
• Wiring distance: up to 10 m
• Display: none

Examples of use

Hotels and lodging: the external input's signal comes from the room's card switch. Card removed when the guest leaves, the unit stops; card back in on their return, it starts again. Connected to the front desk system, the error output alerts staff to a faulty unit before a guest has to complain about it.

Offices and meeting rooms: connected to the input, a presence detector or a timer starts and stops the unit in step with actual occupancy; an empty room is neither heated nor cooled for nothing.

Managed buildings: the start-up schedule comes from the building management system, which also monitors the status of the units through the operating output and collects the alarms from the error output. Outside business hours, for example, forced-off mode keeps the units switched off, and the remote cannot change that.

Peak management: when electrical demand has to come down, peak shaving helps curb that of the units. For a commercial building in Québec, it is a valuable tool during winter peaks.

Good to know

Note that the unit's controller stays in place: the kit simply adds inputs and outputs for external equipment. An indoor unit may also need an optional communication kit to accept it; on the ASU RLS2 and RLS3 designer wall units, that role falls to the UTY-TWBXF1 interface kit. No order goes out before we have confirmed the exact model of each unit.

An integration handled from start to finish

Connecting a heat pump to an external system is a team effort. Our technicians install the kit in the indoor unit, plus the communication kit if the equipment requires it. The wires are then routed to the external equipment, without exceeding 10 m, before the input mode is set: on/off or forced off. Next comes testing each signal, one by one: start and stop controlled through the input, operating status, error output. If there is a building management system in the picture, we coordinate the work with your integrator or your manager so that every point carries a clear label.

Maintenance

Nothing to maintain on the wires themselves. Every yearly inspection does, however, include a check of the connections and a fresh test of the signals, a precaution that makes all the more sense if the external equipment has been modified.

Why AirGreen

Residential or commercial, AirGreen Inc. carries out both kinds of installations. This family-owned air conditioning and heating company, in operation for more than 15 years and holding an RBQ licence, welcomes its customers in its Boucherville showroom and knows how to match the manufacturer's heat pumps, GENERAL or Fujitsu, to the needs of an establishment. For the GENERAL AIRSTAGE UTY-XWZXZ5 dry contact kit, purchase and installation included, AirGreen works in Montreal, Laval, Longueuil, the North Shore and the South Shore.