Contents
Contents
General safety guidelines.............................................................................................................. 5
Safety symbols..................................................................................................................................... 5
Changeability of this document......................................................................................................... 6
Associated literature........................................................................................................................... 6
Nomenclature...................................................................................................................................... 7
General chiller-heater information and safety........................................................................... 8
Introduction......................................................................................................................................... 8
About this manual............................................................................................................................... 8
Warranty............................................................................................................................................... 9
Quality assurance................................................................................................................................ 9
Emergency shutdown....................................................................................................................... 10
High temperature and pressure cleaning...................................................................................... 10
Safety labels....................................................................................................................................... 11
Product description...................................................................................................................... 13
Chiller-heater components.............................................................................................................. 13
Control panel...................................................................................................................................... 13
How it works (direct fired units)...................................................................................................... 15
Evaporator.......................................................................................................................................... 15
Absorber............................................................................................................................................. 16
Plate type heat exchangers.............................................................................................................. 16
Parallel flow........................................................................................................................................ 17
High temperature generator (HTG)................................................................................................ 17
Low temperature generator (LTG).................................................................................................. 17
Condenser.......................................................................................................................................... 17
Crystallization..................................................................................................................................... 18
Why does crystallization occur?...................................................................................................... 19
Handling, storage, installation, and reassembly...................................................................... 20
Inspection........................................................................................................................................... 21
Model YHAU-CGN/H-CXR(M)Double Effect Direct Fired Small Absorption Chiller-Heater
i
