The ABB HCC/S2.2.2.1 Heating/Cooling Circuit Controller manages two heating/cooling circuits. Each circuit provides a 3-point motor (open/close/stop) per circuit valve output plus a 5 A relay (e.g. pump) and shares 3 binary inputs for feedback.

Without front manual buttons: HCC/S2.2.1.1. For 0–10 V valves: HCC/S2.1.2.1. Companion fan-coil control: FCC/S1.1.1.1.

Key Features

• 2 circuits: Independent heating/cooling loops.
• Valve outputs: 3-point motor (open/close/stop) per circuit.
• Pump / aux relays: 5 A per circuit.
• 3 binary inputs: Pump feedback / status.
• Manual operation: Yes — front manual operation.

At a Glance

Specification	Detail
Product type	KNX Heating/Cooling Circuit Controller, MDRC
Order code	HCC/S2.2.2.1
Product ID	2CDG110221R0011
Circuits	2
Valve I/O	3-point motor (open/close/stop) per circuit
Relay I/O	5 A per circuit
Manual operation	Yes
Width	8 MW
Supply	KNX bus

Product manual, installation instructions, ETS .knxprod, drawings, EPLAN, and declarations are under Downloads.

Applications

• Central HVAC loops: Two-pipe / four-pipe circuit control with pump enable.
• Mixed plant: Pair 0–10 V or 3-point valve drives to the matching HCC SKU.
• Room / zone systems: Works with FCC fan-coil controllers and room units.

Installation Notes

Mount on a 35 mm DIN rail (8 MW). Connect KNX, valve outputs, relays, and binary inputs per the connection diagram. Import the unified HCC/S 2.x.x.1 .knxprod and select the matching application in ETS.