Honeywell AUTOMATIC CONTROL SI Edition User Manual

ENGINEERING MANUAL OF AUTOMATIC CONTROL
CHILLER, BOILER, AND DISTRIBUTION SYSTEM CONTROL APPLICATIONS
294
High Temperature Water Heating System Control........................................................................................... 374
Introduction.......................................................................................... 374
High Temperature Water (HTW) Heating ........................................ 374
High Temperature Water Safety ...................................................... 375
HTW Control Selection........................................................................ 375
HTW Valve Selection ........................................................................... 375
Valve Style ...................................................................................... 375
Valve Body Materials....................................................................... 375
Valve Trim ........................................................................................ 376
Valve Packing .................................................................................. 376
Valve Flow Characteristics .............................................................. 376
Actuators ......................................................................................... 376
Valve Size ....................................................................................... 376
Valve Location................................................................................. 376
Instantaneous Converter Control ........................................................ 376
HTW Coils ........................................................................................... 377
HTW Space Heating Units .............................................................. 378
Storage Converters ......................................................................... 378
Multizone Space-Heating HTW Water Converters .......................... 378
HTW Steam Generators ................................................................. 379
District Heating Applications ............................................................................................................ 380
Introduction.......................................................................................... 380
Heat Sources .................................................................................. 380
The Distribution Network................................................................. 380
The Substation ................................................................................ 381
Abbreviations ....................................................................................... 381
Definitions............................................................................................ 381
Symbols............................................................................................... 382
System Configuration .......................................................................... 382
Heat Generation.............................................................................. 382
Heat Distribution Network ............................................................... 382
Hot Water System Control............................................................... 382
Steam System Vs Hot Water System.............................................. 383
Hot Water Pipeline System ............................................................. 383
Booster Pump Station ..................................................................... 383
Pressure Reducing Stations ........................................................... 383
Mixing Station ................................................................................. 383
Key Points ....................................................................................... 384
Heat Transfer Substations ............................................................... 384
Direct Heat Transfer Substations ................................................ 384
Indirect Heat Transfer Substations .............................................. 385
Hybrid Heat Transfer Substations ............................................... 386
Control Applications ............................................................................ 387
DDC Control of High Performance Substation ................................ 387
DDC Control of a Small House Substation ..................................... 389
Control of Apartment Building Substations
with Domestic Hot Water ............................................................ 390
Hybrid Building Substation .............................................................. 393

Honeywell AUTOMATIC CONTROL SI Edition Specifications

General

Brand	Honeywell
Model	AUTOMATIC CONTROL SI Edition
Category	Control Systems
Language	English