Application's Manual
Data subject to change without notice | 01.2011 BOSCH THERMOTECHNOLOGY CORPORATION
THERM Tankless Water Heater Applications Manual | 3
Table of Contents
1 Introduction 4
2 Bosch THERM Model Certifi cations 4
3 Tankless Water Heater Accessories 5
4 Water Quality 6
5 Pump Sizing 7
5.1 Pressure drop curves 7
5.2 Domestic hot water circulation 8
5.3 Tank loading 8
6 Water Heater Sizing & Specifi cations 9
6.1 Sizing tankless water heaters 9
6.2 Bosch tankless water heater specifi cations 11
7 Outdoor Installation 13
8 Domestic Water Heating Applications 14
8.1 Low volume applications 15
8.2 Whole house applications 16
9 High Volume Potable Water Heating 20
9.1 Cascading unit applications 20
9.2 Parallel unit applications 23
10 Residential Solar Applications 24
10.1 Tankloading 24
10.2 Booster applications 25
11 Commercial Solar Applications 27
12 Commercial Water Heating Applications 28
12.1 Commercial kitchen applications 28
12.2 Basic tank loading with domestic recirculation 30
12.3 Advanced tank loading commercial hot water system 31










