Siemens 125-699 owner manual Product Overview, Introduction, Ordering Notes

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Product Overview

Introduction

The Siemens BACnet Heat Pump Controller—Multi-Stage is used in multiple compressor heat pump applications. lt provides Direct Digital Control (DDC) for two heat pump applications. The controller can operate as an independent, stand-alone DDC room controller or it can be networked with a field panel.

The controller provides all termination, input/output, system, and local communication connections (Figure 1). The controller hardware consists of the controller with cover and mounting bracket.

Table 1. Siemens BACnet Heat Pump Controller – Multi-Stage Applications.

Application	Application Description
Number
2583	Multiple Compressor with Reversing Valve and Mixed Air Control
2584	Multiple Heating and Cooling with Internal Reversing Valve
	and Mixed Air Control
2590	Slave Mode

Ordering Notes

Siemens BACnet Heat Pump Controller – Multi-Stage 550-490

Siemens Building Technologies, Inc. 1