Robur Expansion kit Installation Manual

The original is filed at Robur S.p.A. Any use of this Installation manual other than for personal consultation must be previously authorised by Robur S.p.A. The rights of those who have le ...

3 INDEX OF CONTENTS I Introduction ������������������������������������������������ p� 4 Recipients ......................................................................... p. 4 II Symbols and definitions ����� ...

installing and configuring the Expansion kit for all K18 Simply- gas heat pump units (Gas Absorption Heat Pump) and K18 Hy- brigas hybrid units (Gas Absorption Heat Pump and integrated auxiliary boiler module), in line with one of the stand ...

5 III exclusively be carried out by a TAC, only using original parts. � In the event of fault of the appliance, do not attempt to repair and/or restore and immediately contact the TAC. Keep the Manual This "Installation, Use and Maintenance Manual" must al- ways accompany the appliance and must be handed to t ...

6 1 1 GENERAL INFORMATION AND SYSTEM DIAGRAMS The Expansion kit (KECSK18) of the System Controller for the models of the K18 family allows the system configurations sup- ported by it to be extended. In particular, the addition of the kit allows the types of plumbing diagrams indicated in Figures 1.1    p.  6 and1.2 ...

Installation manual – Expansion kit 7 1 Figure 1�2   System with K18 Simplygas unit, primary and secondary water circuits, up to three heating circuits, two of which are optionally mixed, auxiliary boiler and DHW production optionals A Unit K18 Simplygas B Auxiliary boiler (optional) C check valve (to be inst ...

8 1 Figure 1�3   System with K18 Hybrigas unit, primary water circuit only and three zones, DHW production optional A K18 Hybrigas unit E By-pass section with overpressure valve F Room unit 1 (QAA75.611) G Thermostats (with timer) for zones P A ST B9 B3 Q3 ST CSK18 GHP E K18 CONTROL CABLE HC1 G F Q2 HC3 G Q20 ...

Installation manual – Expansion kit 9 1 Figure 1�4   System with K18 Hybrigas unit, primary and secondary water circuits, up to three heating circuits, two of which are optionally mixed, DHW production optional A K18 Hybrigas unit E Decoupling of primary/secondary circuits F Room unit 1 (QAA75.611) H Room un ...

10 2 guaranteed to handle the K18 unit's anti-icing cycle. This requires that a outlet/inlet bypass be installed, with over- pressure valve set to open only when all zone valves are closed. All temperature probes (GHP, GHP’, B1, B3, B12) must be placed and fixed in dedicated thermowells, with a length suitable to result immersed i ...