Danfoss ADAP-KOOL AK-PC 551

Principle
Instructions
AK-PC 551
Identication
Kit
080G0281 = 230 V a.c. 20 VA
080G0283 = 24 V a.c. / d.c. 17 VA
080G0321 = 230 V a.c. 20 VA
080G0326 = 24 V a.c. / d.c. 17 VA
080G0282 = 080G0321 + 080G0294 + 080G0075
(230 V)
080G0288 = 080G0326 + 080G0294 + 080G0075
(24 V)
1.5 m: 080G0075
3.0 m: 080G0076
MMIGRS2: 080G0294
RI8PZ4ML 2015-06
IP 20
-20 - 60°C
(0 - 140°F)
RH max. 90% non condensing
1,5 m

Danfoss ADAP-KOOL AK-PC 551 Specifications

General

Brand	Danfoss
Model	ADAP-KOOL AK-PC 551
Category	Controller
Language	English

Summary

Identification

Product Variants

Lists different controller models and their specifications, including voltage and power ratings.

Principle of Operation

System Diagrams

Illustrates typical system connections for MT and LT applications.

Electrical Connections and InputsOutputs

Lower Level Connections

Details wiring for power, Modbus, and digital outputs (DO1-DO8).

Upper Level Connections

Covers external supply, 0-10V, analogue outputs (AO3-AO4), analogue inputs (AI1-AI8), and digital inputs (DI1-DI8).

Supply Voltage Requirements

Specifies controller voltage options (24V or 110-230V) and connection notes.

Electric Noise Prevention

Guidelines for separating signal cables from high voltage cables.

Compressor Capacity Control

Digital Scroll Compressor PWM Control

Explains how cooling capacity is divided using PWM period time.

Copeland Stream Compressor Control

Describes capacity control using unloading valves connected to DO5 or DO6.

Bitzer CRII Compressor Control

Details capacity control for CRII compressors using unloaders.