ABB 6138/11-84-500 KNX Room Temperature Controller

Description

Introduction

The ABB 6138/11-84-500 (Product ID: 2CKA006138A0003) is a dedicated KNX (TP) room temperature control element designed for single-room climate control in heating and air-conditioning applications. Finished in Traffic White (RAL 9016) with an IP20 degree of protection, this unit features an integrated 2.52-inch LCD screen and 5 operating push-buttons for local user monitoring and operation. This device is part of our KNX automation components range.

Designed as a constant room temperature controller, the device operates effectively across both heating and cooling modes. It supports ventilator convectors (fan coils) configured in 2-pipe and 4-pipe systems, as well as conventional heating or cooling setups. As a Class 1 temperature controller, it contributes 1.0% toward space heating energy efficiency.

Key Features

• Display & Controls: 2.52-inch LCD display with 5 operating buttons for room climate adjustments.
• System Compatibility: Suitable for 2-pipe and 4-pipe fan coil systems as well as conventional heating/cooling installations.
• KNX Communication: Operates on KNX (TP) bus systems with Product ID 2CKA006138A0003.
• Enclosure & Finish: IP20 protection class in RAL 9016 Traffic White enclosure.
• Fan Stage Modes: Supports both manual fan switching and automatic fan stage selection.
• Class 1 Efficiency: Temperature controller Class 1 contributing 1.0% to space heating efficiency.
• Power Source: Non-battery operated device (0 batteries required).
• Legacy Product Reference: Serves as the replacement for old Product ID 6138-0-0003.

Benefits

• Flexible Fan Coil Integration: Designed for constant room temperature control in both 2-pipe and 4-pipe ventilator convector (fan coil) systems.
• Heating and Cooling Capability: Functions in both heating and cooling modes to maintain steady indoor climate control.
• Manual and Automatic Fan Control: Allows fan stage switching either manually or via automatic mode.
• Clear Local Interface: Features a 2.52-inch LCD screen and 5 operating buttons for direct user adjustments.
• Energy Efficiency Rating: Categorized as a Class 1 temperature controller with a 1.0% contribution to space heating energy efficiency.
• Battery-Free Operation: Requires 0 batteries, drawing operating power directly from the KNX bus line.

Technical Specifications

Specification	Value
Extended Product Type:	6138/11-84-500
Application Function:	Room Climate Control
Product ID:	2CKA006138A0003
Instructions and Manuals:	2CKA000073B7263
RAL Number:	RAL 9016 – Traffic White
Number of Batteries:	0
Screen Size:	2.52 in
Replaced Product ID (OLD):	6138-0-0003
Declaration of Conformity – CE:	2CKA100000E1189
CN8:	9032 10 20
Instructions and Manuals	2CKA000073B7263
Replaced Product ID (OLD)	6138-0-0003
Declaration of Conformity – CE	2CKA100000E1189
EAN:	4011395116098
Catalog Description:	6138/11-84-500 RTR Fan Coil with Display, SM
Long Description:	Control element for room temperature control with LCD and 5 operating buttons. Used for single-room temperature control in heating and air-conditioning technology. The controller is a constant room temperature controller for ventilator convectors (fan coils) in 2-pipe and 4-pipe systems and conventional heating or cooling systems. The room temperature controller works in both heating and cooling mode. The fan stage can be switched manually or in automatic mode. Class of temperature controller 1 Contribution to space heating energy efficiency 1,0%.
Compatible Bus Systems:	KNX (TP)
Product Range:	KNX
Degree of Protection:	IP20
ETIM 8:	EC001101 – Room temperature controller for bus system
ETIM 9:	EC001101 – Room temperature controller for bus system
WEEE B2C / B2B:	Business To Consumer
Data Sheet, Technical Information:	2CKA000073B9534
Mounting Type:	Surface Mounted
Material:	Thermoplastic

Applications

• Single-Room Fan Coil Systems: Provides room temperature regulation for 2-pipe and 4-pipe ventilator convector HVAC units in KNX installations.
• Conventional Heating and Cooling: Controls single-room temperature in conventional heating or cooling systems via KNX (TP).
• Commercial Building Automation: Suitable for office and hotel room climate control requiring local LCD control elements in RAL 9016 Traffic White.

Installation Notes

• Environmental Protection: Rated IP20 for indoor installation; mount in dry, dust-free indoor control environments.
• Bus Connection: Connect directly to the KNX (TP) bus line without requiring supplementary batteries.
• Model Verification: Ensure procurement matches SKU 6138/11-84-500 and Product ID 2CKA006138A0003 (EAN: 4011395116098) when replacing older model 6138-0-0003.

Developer Resources

• Instructions and Manuals Reference: 2CKA000073B7263
• Declaration of Conformity – CE Document: 2CKA100000E1189
• ETIM 8 Code: EC001101 (Room temperature controller for bus system)
• Customs Tariff / CN8 Code: 9032 10 20

FAQ

Which bus system is supported by the ABB 6138/11-84-500?

The controller is compatible with KNX (TP) bus systems. Explore more ABB KNX solutions for professional building automation projects.

Does this room temperature controller support 4-pipe fan coil systems?

Yes, it operates as a constant room temperature controller for ventilator convectors in both 2-pipe and 4-pipe systems. For certificates and current technical files, refer to the official product documentation.

Are batteries needed for the ABB 6138/11-84-500?

No, the device requires 0 batteries and is powered via the KNX bus.

What is the screen size of the display?

The unit features a 2.52-inch LCD screen accompanied by 5 operating buttons.

What is the exact product model?

The order/model code for this page is 6138/11-84-500. Match it against project documents before purchase.

Who is the manufacturer?

This product is manufactured by ABB.

Conclusion

The ABB 6138/11-84-500 room temperature controller offers a clear visual display and physical button interface for single-room KNX climate management. Capable of handling 2-pipe and 4-pipe fan coil systems as well as conventional heating and cooling, it brings practical flexibility to building automation projects. Installers and system integrators can review our KNX dealer program options.

With its Class 1 efficiency designation, IP20 protection, and RAL 9016 Traffic White finish, this unit serves as an exact replacement for legacy Product ID 6138-0-0003 on KNX (TP) networks.