Measurement Guide

Application Manual Greentherm T9800/9900 SE/SEO/SEi | 3
Bosch Thermotechnology Corp. | 12.2019
Data subject to change
Table of Contents
1 Key to Symbols and Safety Instructions 4
1.1 Key to Symbols 4
1.2 Safety 4
2 Introduction 5
3 Water Heater Sizing 6
3.1 Sizing Tankless Water Heaters 6
4 Applications 8
4.1 Single Installation 8
4.2 Domestic Hot Water Recirculation 9
4.2.1 Recirculation system types 9
4.2.2 Recirculation with the Greentherm T9900 models 11
4.2.3 Recirculation with the Greentherm T9800 models 12
4.3 Tank Loading 13
4.3.1 Single tank loading installation 14
4.3.2 Single tank loading with recirculation installation 15
4.3.3 Multiple tank loading installation 16
4.3.4 Multiple T9800 tank loading with recirculation installation 17
4.4 Combined Domestic Hot Water and Space Heating with Air Handler 18
4.5 Multi-Unit Cascading 19