EUROSTER UNI2 User Manual

EUROSTER UNI2 – INSTRUCTION MANUAL 1
EUROSTER UNI2
Weather-based heating system controller
MANUFACTURER: P.H.P.U. AS, Chumiętki 4, 63-840 Krobia
Please read the instruction manual carefully to fully use the controller potential and to ensure
proper operation of central heating system.
Manual version: 01.08.2016
1. APPLICATION
UNI2 is a universal controller designed for heating systems equipped with:
 two central heating circuits with mixing valves (e.g. for heater supply and floor heating)
 domestic hot water (DHW) circuit
 DHW circulation circuit
1. External temperature sensor
2. Room control unit for circuit 1
3. Temperature sensor for circuit 1
4. Central heating pump for circuit 1.
5. Mixer for circuit 1
6. Supply temperature sensor
7. Room control unit for circuit 2
8. Temperature sensor for circuit 2
9. Central heating pump for circuit 2.
10. Mixer for circuit 2
11. Feed pump for DHW tank
12. Temperature sensor for DHW tank
13. DHW circulation pump
14. Temperature sensor for DHW
circulation

EUROSTER UNI2 Specifications

General

Brand	EUROSTER
Model	UNI2
Category	Controller
Language	English

Summary

Functions Overview

Central Heating Circuits Control

Independent setting and control of each CH circuit with room control and schedule.

Domestic Hot Water (DHW) Circuit

Control of DHW schedule, priority, and disinfection.

DHW Circulation Circuit Management

User Interface and Operation

Main Screen Display Information

Multifunction Knob Operation

Details the rotary knob for value changes and navigation buttons.

Resetting and Factory Defaults

Setting Screens Navigation

Installation and Maintenance

General Installation Safety Rules

Crucial safety guidelines for installing the controller and its components.

Controller System Operation

Supply Temperature Management

Heating Circuit Activation Logic

Conditions that must be met for a heating circuit to become active.

DHW Heating and Disinfection

Parameters for DHW tank heating and the process for system disinfection.

DHW Circulation Pump Operation

Boiler Output Functionality

Error Handling and Troubleshooting

Circuit No Heat Troubleshooting

Steps to diagnose and resolve issues where a circuit is not heating.

Circuit Overheating Diagnosis

Communication Failure Resolution