{"id":28937,"date":"2024-10-17T03:08:18","date_gmt":"2024-10-17T03:08:18","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/smacna-hvacsystemsapplications-2010-02e\/"},"modified":"2024-10-24T14:07:30","modified_gmt":"2024-10-24T14:07:30","slug":"smacna-hvacsystemsapplications-2010-02e","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/smacna\/smacna-hvacsystemsapplications-2010-02e\/","title":{"rendered":"SMACNA HVACSystemsApplications 2010 02E"},"content":{"rendered":"

Focuses primarily on the advancement of HVAC systems\u2019 technology, with increasing emphasis on energy efficiency and the emergence of green and sustainable building. Provides guidance for HVAC system selection, operation, and design. Covers the fundamentals of space condition requirements and explains how the various types of air, hydronic and refrigeration HVAC system designs can be applied to buildings. Individual chapters detail system information for controls, multi-zone, dual duct, terminal reheat, variable air volume, induction and special applications such as dedicated outside air and thermal energy storage. <\/span><\/p>\n

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
5<\/td>\nFOREWORD <\/td>\n<\/tr>\n
6<\/td>\nHVAC SYSTEMS APPLICATIONS TASK FORCE <\/td>\n<\/tr>\n
7<\/td>\nNOTICE TO USERS OF THIS PUBLICATION <\/td>\n<\/tr>\n
11<\/td>\nTABLE OF CONTENTS <\/td>\n<\/tr>\n
23<\/td>\nCHAPTER 1 INTRODUCTION
1.1 INTRODUCTION
1.2 HVAC SYSTEM PURPOSE
1.3 HUMAN THERMAL COMFORT <\/td>\n<\/tr>\n
24<\/td>\n1.4 BASIC HVAC SYSTEM COMPONENTS <\/td>\n<\/tr>\n
25<\/td>\nFIGURE 1-1 COMFORT ZONE <\/td>\n<\/tr>\n
27<\/td>\nFIGURE 1-2 BASIC HVAC SYSTEM COMPONENTS <\/td>\n<\/tr>\n
28<\/td>\n1.5 HVAC SYSTEM OPERATIONAL EFFICIENCY <\/td>\n<\/tr>\n
29<\/td>\nFIGURE 1-3 TYPICAL CENTRAL HVAC SYSTEM <\/td>\n<\/tr>\n
30<\/td>\nFIGURE 1-4 COMMERCIAL BUILDING ENERGY USE <\/td>\n<\/tr>\n
31<\/td>\n1.6 GREEN BUILDING RATING SYSTEMS <\/td>\n<\/tr>\n
32<\/td>\n1.7 HVAC SYSTEM SELECTION PARAMETERS
1.8 SPACE CONDITIONS
1.9 HVAC EQUIPMENT AND SPACE <\/td>\n<\/tr>\n
37<\/td>\nCHAPTER 2 HVAC SYSTEM APPLICATION FUNDAMENTALS
2.1 INTRODUCTION
2.2 AIR CHEMISTRY
2.3 MOIST AIR PHYSICAL PROPERTIES <\/td>\n<\/tr>\n
38<\/td>\n2.4 MOIST AIR ENERGY CONTENT <\/td>\n<\/tr>\n
39<\/td>\nFIGURE 2-1 TYPICAL HVAC PSYCHROMETRIC CHART <\/td>\n<\/tr>\n
40<\/td>\nFIGURE 2-2 PSYCHROMETRIC CHART EXAMPLE <\/td>\n<\/tr>\n
41<\/td>\n2.5 ZONE DEFINED <\/td>\n<\/tr>\n
42<\/td>\nFIGURE 2-3 COMMERCIAL OFFICE BUILDING FLOOR PLAN <\/td>\n<\/tr>\n
43<\/td>\n2.6 AIRFLOW DEFINED
2.7 SPACE CONDITIONING METHODS <\/td>\n<\/tr>\n
44<\/td>\n2.8 HVAC SYSTEMS CATEGORIZED BY PRIMARY HEAT TRANSFER MEDIA <\/td>\n<\/tr>\n
45<\/td>\nFIGURE 2-4 ALL-AIR HVAC SYSTEM <\/td>\n<\/tr>\n
47<\/td>\nFIGURE 2-5 AIR-HYDRONIC HVAC SYSTEM <\/td>\n<\/tr>\n
48<\/td>\nFIGURE 2-6 ALL-HYDRONIC HVAC SYSTEM <\/td>\n<\/tr>\n
53<\/td>\nCHAPTER 3 VARIABLE-AIR-VOLUME HVAC SYSTEMS
3.1 INTRODUCTION
3.2 VAV SYSTEM DESCRIPTION
3.3 VAV VERSUS CONSTANT-AIRVOLUME HVAC SYSTEMS <\/td>\n<\/tr>\n
54<\/td>\n3.4 VAV SYSTEM OPERATION <\/td>\n<\/tr>\n
55<\/td>\nFIGURE 3-1 BASIC SINGLE-ZONE COOLING ONLY VAV SYSTEM <\/td>\n<\/tr>\n
56<\/td>\n3.5 VAV TERMINAL UNITS <\/td>\n<\/tr>\n
57<\/td>\nFIGURE 3-2 BASIC MULTI-ZONE COOLING-ONLY VAV SYSTEM <\/td>\n<\/tr>\n
58<\/td>\nFIGURE 3-3 VAV AIR TERMINAL UNIT SERVING MULTIPLE AIR OUTLETS <\/td>\n<\/tr>\n
59<\/td>\nFIGURE 3-4 BASIC VAV SINGLE-DUCT TERMINAL UNIT ” FUNCTIONAL DIAGRAM
FIGURE 3-5 BASIC VAV SINGLE-DUCT TERMINAL UNIT ” CUTAWAY VIEW <\/td>\n<\/tr>\n
60<\/td>\n3.6 BASIC VAV TERMINAL UNITS
FIGURE 3-6 VAV TERMINAL UNIT TYPES, CONFIGURATIONS, AND FEATURES <\/td>\n<\/tr>\n
61<\/td>\nFIGURE 3-7 SINGLE-DUCT VAV TERMINAL UNIT CONTROL STRATEGY <\/td>\n<\/tr>\n
62<\/td>\nFIGURE 3-8 BASIC VAV DUAL-DUCT TERMINAL UNIT ” FUNCTIONAL DIAGRAM
FIGURE 3-9 BASIC VAV DUAL-DUCT TERMINAL UNIT ” CUTAWAY VIEW <\/td>\n<\/tr>\n
63<\/td>\n3.7 FAN-POWERED VAV TERMINAL UNITS <\/td>\n<\/tr>\n
64<\/td>\nFIGURE 3-10 DUAL-DUCT VAV TERMINAL UNIT SCHEMATIC DIAGRAM <\/td>\n<\/tr>\n
65<\/td>\nFIGURE 3-11 DUAL-DUCT VAV TERMINAL UNIT ” NON-BLENDING CONTROL STRATEGY
FIGURE 3-12 DUAL-DUCT VAV TERMINAL UNIT ” MAXIMUM HEATING BLENDING CONTROL STRATEGY <\/td>\n<\/tr>\n
66<\/td>\nFIGURE 3-13 DUAL-DUCT VAV TERMINAL UNIT “UNEQUAL FLOW BLENDING CONTROL STRATEGY
FIGURE 3-14 DUAL-DUCT VAV TERMINAL UNIT ” CONSTANT VOLUME BLENDING CONTROL STRATEGY <\/td>\n<\/tr>\n
67<\/td>\nFIGURE 3-15 FAN-POWERED VAV TERMINAL UNIT SCHEMATIC DIAGRAM <\/td>\n<\/tr>\n
69<\/td>\nFIGURE 3-16 PARALLEL FLOW FAN-POWERED VAV TERMINAL UNIT ” FUNCTIONAL DIAGRAM
FIGURE 3-17 PARALLEL FLOW FAN-POWERED VAV TERMINAL UNIT ” CUTAWAY VIEW (FAN NOT SHOWN) <\/td>\n<\/tr>\n
70<\/td>\n3.8 VAV TERMINAL UNITS WITH REHEAT
3.9 BYPASS VAV TERMINAL UNITS <\/td>\n<\/tr>\n
71<\/td>\nFIGURE 3-18 SERIES FLOW FAN-POWERED VAV TERMINAL UNIT ” FUNCTIONAL DIAGRAM
FIGURE 3-19 SERIES FLOW FAN-POWERED VAV TERMINAL UNIT ” CUTAWAY VIEW (FAN NOT SHOWN) <\/td>\n<\/tr>\n
72<\/td>\nFIGURE 3-20 VAV TERMINAL UNIT WITH REHEAT ” FUNCTIONAL DIAGRAM
FIGURE 3-21 BYPASS (DUMP) VAV TERMINAL UNIT ” FUNCTIONAL DIAGRAM <\/td>\n<\/tr>\n
73<\/td>\n3.10 VAV TERMINAL UNIT <\/td>\n<\/tr>\n
74<\/td>\n3.11 HVAC SYSTEMS INCORPORATING VAV <\/td>\n<\/tr>\n
75<\/td>\nFIGURE 3-22 VAV TERMINAL UNIT INLET MULTIPOINT PRESSURE SENSOR
FIGURE 3-23 MULTIPOINT PRESSURE SENSOR <\/td>\n<\/tr>\n
79<\/td>\nCHAPTER 4 MULTIZONE HVAC SYSTEMS
4.1 INTRODUCTION
4.2 MULTIZONE HVAC SYSTEM DESCRIPTION
4.3 USE OF A MULTIZONE HVAC SYSTEM <\/td>\n<\/tr>\n
80<\/td>\nFIGURE 4-1 MULTIZONE HVAC SYSTEM <\/td>\n<\/tr>\n
83<\/td>\nCHAPTER 5 TERMINAL REHEAT HVAC SYSTEMS
5.1 INTRODUCTION
5.2 SYSTEM DESCRIPTION
5.3 SYSTEM FEATURES <\/td>\n<\/tr>\n
84<\/td>\n5.4 SYSTEM LAYOUT
5.5 SYSTEM OPERATION
FIGURE 5-1 TYPICAL TERMINAL REHEAT HVAC SYSTEM FUNCTIONAL DIAGRAM <\/td>\n<\/tr>\n
85<\/td>\n5.6 VAV HVAC SYSTEM WITH TERMINAL REHEAT
FIGURE 5-2 CONSTANT VOLUME TERMINAL REHEAT UNIT <\/td>\n<\/tr>\n
89<\/td>\nCHAPTER 6 DUAL-DUCT HVAC SYSTEMS
6.1 INTRODUCTION
6.2 DUAL-DUCT HVAC SYSTEM DESCRIPTION
6.3 DUAL-DUCT HVAC SYSTEM APPLICATION <\/td>\n<\/tr>\n
90<\/td>\nFIGURE 6-1 DUAL-DUCT SINGLE-FAN HVAC SYSTEM <\/td>\n<\/tr>\n
91<\/td>\nFIGURE 6-2 DUAL-DUCT SINGLE-FAN HVAC SYSTEM SCHEMATIC DIAGRAM <\/td>\n<\/tr>\n
92<\/td>\nFIGURE 6-3 DUAL-DUCT DUAL-FAN HVAC SYSTEM SCHEMATIC DIAGRAM <\/td>\n<\/tr>\n
93<\/td>\n6.4 DUAL-DUCT HVAC SYSTEM OPERATION
6.5 DUAL-DUCT HVAC SYSTEM FEATURES <\/td>\n<\/tr>\n
94<\/td>\nFIGURE 6-4 DUAL-DUCT LOW VELOCITY SYSTEM <\/td>\n<\/tr>\n
95<\/td>\nFIGURE 6-5 DUAL-DUCT HIGH VELOCITY SYSTEM <\/td>\n<\/tr>\n
96<\/td>\n6.6 CENTRAL DUAL-DUCT HVAC SYSTEM EQUIPMENT <\/td>\n<\/tr>\n
97<\/td>\n6.7 DUAL-DUCT HVAC SYSTEM AIR TERMINAL UNITS <\/td>\n<\/tr>\n
98<\/td>\nFIGURE 6-6 MIXING AND VOLUME CONTROL METHOD USING SELF-ACTUATED SPRING-LOADED VOLUME REGULATOR FOR CONSTANT VOLUME SYSTEM <\/td>\n<\/tr>\n
99<\/td>\nFIGURE 6-7 MIXING AND VOLUME CONTROL METHOD USING FLOW REGULATOR FOR CONSTANT VOLUME SYSTEM <\/td>\n<\/tr>\n
100<\/td>\n6.8 SYSTEM OPERATION
6.9 IMPROVING EXISTING DUAL-DUCT HVAC SYSTEM PERFORMANCE <\/td>\n<\/tr>\n
105<\/td>\nCHAPTER 7 INDUCTION REHEAT HVAC SYSTEMS
7.1 INTRODUCTION
7.2 SYSTEM DESCRIPTION
7.3 INDUCTION TERMINAL UNITS <\/td>\n<\/tr>\n
106<\/td>\nFIGURE 7-1 INDUCTION REHEAT SYSTEM <\/td>\n<\/tr>\n
107<\/td>\nFIGURE 7-2 INDUCTION TERMINAL UNIT FUNCTIONAL DIAGRAM <\/td>\n<\/tr>\n
108<\/td>\n7.4 SYSTEM OPERATION
FIGURE 7-3 TWO-PIPE INDUCTION TERMINAL UNIT BYPASS CONTROL <\/td>\n<\/tr>\n
109<\/td>\n7.5 SYSTEM ADVANTAGES AND DISADVANTAGES <\/td>\n<\/tr>\n
113<\/td>\nCHAPTER 8 UNITARY HVAC SYSTEMS
8.1 INTRODUCTION
8.2 UNITARY HVAC SYSTEM CHARACTERISTICS
8.3 UNITARY HVAC SYSTEM <\/td>\n<\/tr>\n
114<\/td>\nFIGURE 8-1 MECHANICAL REFRIGERATION CYCLE <\/td>\n<\/tr>\n
116<\/td>\n8.4 UNITARY HVAC SYSTEM ADVANTAGES AND DISADVANTAGES <\/td>\n<\/tr>\n
117<\/td>\n8.5 CONVENTIONAL UNITARY HVAC SYSTEM TYPES
8.6 SINGLE-PACKAGED UNITS <\/td>\n<\/tr>\n
119<\/td>\nFIGURE 8-2 ROOFTOP UNITARY HVAC SYSTEM <\/td>\n<\/tr>\n
120<\/td>\n8.7 SPLIT SYSTEMS <\/td>\n<\/tr>\n
121<\/td>\n8.8 PACKAGED TERMINAL AIR CONDITIONERS <\/td>\n<\/tr>\n
122<\/td>\nFIGURE 8-3 SPLIT-SYSTEM UNITARY HVAC SYSTEM <\/td>\n<\/tr>\n
124<\/td>\nFIGURE 8-4 THROUGH-THE-WALL PTAC WITH SEPARATE HEATING AND COOLING CHASSIS
FIGURE 8-5 THROUGH-THE-WALL PTAC WITH COMBINED CHASSIS <\/td>\n<\/tr>\n
125<\/td>\n8.9 UNITARY HEAT PUMPS <\/td>\n<\/tr>\n
127<\/td>\n8.10 COMBINATION UNITARY AND CENTRAL HVAC SYSTEMS <\/td>\n<\/tr>\n
131<\/td>\nCHAPTER 9 CENTRAL COOLING PLANT
9.1 INTRODUCTION
9.2 CENTRAL COOLING PLANT OPERATION AND COMPONENTS
9.3 CHILLER PURPOSE
9.4 CHILLER REFRIGERATION CYCLE <\/td>\n<\/tr>\n
132<\/td>\nFIGURE 9-1 CENTRAL COOLING PLANT SCHEMATIC DIAGRAM <\/td>\n<\/tr>\n
133<\/td>\nFIGURE 9-2 VAPOR-COMPRESSION REFRIGERATION CYCLE <\/td>\n<\/tr>\n
135<\/td>\n9.5 REFRIGERANT <\/td>\n<\/tr>\n
136<\/td>\n9.6 MOTOR-COMPRESSOR UNITS
9.7 MECHANICAL COMPRESSOR OPERATION AND CHARACTERISTICS <\/td>\n<\/tr>\n
138<\/td>\n9.8 ABSORPTION CHILLERS <\/td>\n<\/tr>\n
140<\/td>\n9.9 CENTRAL COOLING PLANTS WITH MULTIPLE CHILLERS <\/td>\n<\/tr>\n
141<\/td>\n9.10 COOLING TOWERS <\/td>\n<\/tr>\n
143<\/td>\nFIGURE 9-3 DIRECT-CONTACT EVAPORATIVE COOLING TOWER <\/td>\n<\/tr>\n
144<\/td>\nFIGURE 9-4 INDIRECT-CONTACT EVAPORATIVE COOLING TOWER <\/td>\n<\/tr>\n
145<\/td>\n9.11 CONDENSER WATER SYSTEMS <\/td>\n<\/tr>\n
146<\/td>\nFIGURE 9-5 FORCED-DRAFT COOLING TOWER WITH COUNTERFLOW
FIGURE 9-6 INDUCED-DRAFT COOLING TOWER WITH COUNTERFLOW <\/td>\n<\/tr>\n
147<\/td>\nFIGURE 9-7 FORCED-DRAFT COOLING TOWER WITH CROSSFLOW
FIGURE 9-8 INDUCED-DRAFT COOLING TOWER WITH CROSSFLOW <\/td>\n<\/tr>\n
148<\/td>\nFIGURE 9-9 DOUBLE-ENTRY INDUCED-DRAFT COOLING TOWER WITH CROSSFLOW <\/td>\n<\/tr>\n
150<\/td>\n9.12 EVAPORATIVE COOLING SYSTEMS <\/td>\n<\/tr>\n
155<\/td>\nCHAPTER 10 CENTRAL HEATING PLANT
10.1 INTRODUCTION
10.2 FURNACES
10.3 BOILERS <\/td>\n<\/tr>\n
156<\/td>\n10.4 HOT WATER VERSUS STEAM
10.5 BOILER PLANT OPERATION <\/td>\n<\/tr>\n
157<\/td>\n10.6 BOILER CONSTRUCTION <\/td>\n<\/tr>\n
158<\/td>\n10.7 BOILER FUELS
10.8 ELECTRIC BOILERS
10.9 BOILER RATING
Table 10-1 Boiler Rating by Facility Type <\/td>\n<\/tr>\n
159<\/td>\n10.10 BOILER CONTROLS <\/td>\n<\/tr>\n
160<\/td>\n10.11 BOILER FEEDWATER AND CIRCULATING PUMPS
10.12 DEAERATORS
10.13 INCREASING CONVENTIONAL BOILER PLANT EFFICIENCY <\/td>\n<\/tr>\n
161<\/td>\n10.14 CONDENSING BOILERS <\/td>\n<\/tr>\n
165<\/td>\nCHAPTER 11 ENGINEERED HEAT PUMP SYSTEMS
11.1 INTRODUCTION
11.2 HEAT PUMP SYSTEMS
11.3 HEAT PUMP SYSTEM CHARACTERISTICS <\/td>\n<\/tr>\n
168<\/td>\n11.4 BASIC HEAT PUMP SYSTEM ARRANGEMENTS
Table 11-1 Basic Heat Pump System Arrangements <\/td>\n<\/tr>\n
169<\/td>\nFIGURE 11-1 BASIC HEAT PUMP SYSTEM ARRANGEMENTS <\/td>\n<\/tr>\n
170<\/td>\n11.5 HEAT PUMP SYSTEM TYPES <\/td>\n<\/tr>\n
171<\/td>\n11.6 WATER-TO-AIR HEAT PUMP SYSTEMS <\/td>\n<\/tr>\n
172<\/td>\n11.8 HVAC Systems Applications \u2022 Second Edition FIGURE 11-2 AIR-SOURCE HEAT PUMP SYSTEM SCHEMATIC DIAGRAM <\/td>\n<\/tr>\n
173<\/td>\nFIGURE 11-3 WATER-SOURCE HEAT PUMP SYSTEM SCHEMATIC DIAGRAM <\/td>\n<\/tr>\n
174<\/td>\nFIGURE 11-4 CLOSED LOOP WATER-TO-AIR HEAT PUMP SYSTEM SCHEMATIC DIAGRAM <\/td>\n<\/tr>\n
175<\/td>\n11.7 WATER-TO-AIR HEAT PUMP SYSTEM DESIGN CONSIDERATIONS <\/td>\n<\/tr>\n
179<\/td>\nCHAPTER 12 AIR DISTRIBUTION SYSTEMS
12.1 INTRODUCTION
12.2 AIR DISTRIBUTION SYSTEM PURPOSE
12.3 AIR DISTRIBUTION SYSTEM COMPONENTS
12.4 SMACNA AIR DISTRIBUTION SYSTEM STANDARDS <\/td>\n<\/tr>\n
180<\/td>\n12.5 AIR DUCTS AND PLENUMS <\/td>\n<\/tr>\n
182<\/td>\n12.6 AIR TERMINAL UNITS
12.7 AIR OUTLETS AND INLETS <\/td>\n<\/tr>\n
183<\/td>\n12.8 PROVISIONS FOR TESTING, ADJUSTING, AND BALANCING <\/td>\n<\/tr>\n
187<\/td>\nCHAPTER 13 FANS AND AIR-HANDLING UNITS
13.1 INTRODUCTION
13.2 FANS <\/td>\n<\/tr>\n
188<\/td>\nFIGURE 13-1 AXIAL-FLOW FAN: PROPELLER TYPE <\/td>\n<\/tr>\n
189<\/td>\nFIGURE 13-2 AXIAL-FLOW FAN: TUBE-AXIAL TYPE
FIGURE 13-3 AXIAL-FLOW FAN: VANE-AXIAL TYPE <\/td>\n<\/tr>\n
191<\/td>\nFIGURE 13-4 CENTRIFUGAL FAN: BACKWARD INCLINED (AIRFOIL) BLADE
FIGURE 13-5 CENTRIFUGAL FAN: RADIAL (STRAIGHT) BLADE <\/td>\n<\/tr>\n
192<\/td>\nFIGURE 13-6 CENTRIFUGAL FAN: FORWARD CURVED BLADE <\/td>\n<\/tr>\n
193<\/td>\nFIGURE 13-7 SUMMARY OF FAN CATEGORIES, TYPES, AND CHARACTERISTICS <\/td>\n<\/tr>\n
194<\/td>\nFIGURE 13-7 SUMMARY OF FAN CATEGORIES, TYPES, AND CHARACTERISTICS (CONTINUED) <\/td>\n<\/tr>\n
195<\/td>\nFIGURE 13-8 FAN CURVE FOR TYPICAL CENTRIFUGAL FAN: BACKWARD INCLINED BLADE <\/td>\n<\/tr>\n
197<\/td>\nFIGURE 13-9 FAMILY OF FAN CURVES <\/td>\n<\/tr>\n
198<\/td>\n13.3 AIR DISTRIBUTION SYSTEM OPERATION
13.4 AIR DISTRIBUTION SYSTEM OPERATING POINT <\/td>\n<\/tr>\n
199<\/td>\nFIGURE 13-10 FAN LAW EXAMPLE ILLUSTRATED WITH FAN CURVES <\/td>\n<\/tr>\n
200<\/td>\nFIGURE 13-11 SYSTEM CURVE <\/td>\n<\/tr>\n
201<\/td>\nFIGURE 13-12 SYSTEM CURVE CHANGE DUE TO INCREASED RESISTANCE TO FLOW <\/td>\n<\/tr>\n
202<\/td>\n13.5 AIR DISTRIBUTION SYSTEM DYNAMICS
13.6 SYSTEM OPERATING POINT AND FAN SPEED <\/td>\n<\/tr>\n
203<\/td>\nFIGURE 13-13 SYSTEM OPERATING POINT <\/td>\n<\/tr>\n
204<\/td>\nFIGURE 13-14 FAN AIRFLOW MODULATION \u201cRIDING THE FAN CURVE\u201d\u009d <\/td>\n<\/tr>\n
205<\/td>\nFIGURE 13-15 VARYING FAN OPERATING POINTS WITH FAN SPEED <\/td>\n<\/tr>\n
206<\/td>\n13.7 SUPPLY FAN AIRFLOW CONTROL <\/td>\n<\/tr>\n
207<\/td>\nFIGURE 13-16 SUPPLY FAN AIRFLOW CONTROL METHODS <\/td>\n<\/tr>\n
208<\/td>\nFIGURE 13-17 FAN POWER INPUT VERSUS RATED AIRFLOW <\/td>\n<\/tr>\n
209<\/td>\n13.8 AIR HANDLING UNITS <\/td>\n<\/tr>\n
211<\/td>\nFIGURE 13-18 AIR HANDLING UNIT SCHEMATIC DIAGRAM <\/td>\n<\/tr>\n
215<\/td>\nCHAPTER 14 AIR FILTRATION AND CLEANING
14.1 INTRODUCTION
14.2 AIR FILTRATION AND CLEANING
14.3 RATING AIR FILTERS AND CLEANERS <\/td>\n<\/tr>\n
216<\/td>\n14.4 AIR POLLUTANT CAPTURE METHODS <\/td>\n<\/tr>\n
217<\/td>\n14.5 CATEGORIES OF AIR FILTERS AND CLEANERS <\/td>\n<\/tr>\n
218<\/td>\nTable 14-1 Mechanical Air Filter MERV Rating Information <\/td>\n<\/tr>\n
219<\/td>\n14.6 PANEL FILTERS <\/td>\n<\/tr>\n
221<\/td>\n14.7 RENEWABLE MEDIA FILTERS <\/td>\n<\/tr>\n
222<\/td>\n14.8 ELECTRONIC AIR CLEANERS <\/td>\n<\/tr>\n
223<\/td>\n14.9 AIR CLEANER AND FILTER LOCATION <\/td>\n<\/tr>\n
224<\/td>\n14.10 FILTER INSTALLATION <\/td>\n<\/tr>\n
225<\/td>\n14.11 ODOR REMOVAL <\/td>\n<\/tr>\n
229<\/td>\nCHAPTER 15 HYDRONIC DISTRIBUTION SYSTEMS
15.1 INTRODUCTION
15.2 HOT WATER DISTRIBUTION SYSTEM OPERATION
15.3 CHILLED WATER DISTRIBUTION SYSTEM OPERATION <\/td>\n<\/tr>\n
230<\/td>\nFIGURE 15-1 SIMPLE HOT WATER DISTRIBUTION SYSTEM <\/td>\n<\/tr>\n
231<\/td>\nFIGURE 15-2 SIMPLE CHILLED WATER DISTRIBUTION SYSTEM <\/td>\n<\/tr>\n
232<\/td>\n15.4 HYDRONIC DISTRIBUTION SYSTEM ADVANTAGES AND DISADVANTAGES <\/td>\n<\/tr>\n
233<\/td>\n15.5 HYDRONIC PIPING SYSTEM CLASSIFICATION
15.6 HYDRONIC DISTRIBUTION SYSTEM OPERATING TEMPERATURE CLASSIFICATIONS
15.7 HYDRONIC DISTRIBUTION SYSTEM FLOW <\/td>\n<\/tr>\n
234<\/td>\n15.8 HYDRONIC DISTRIBUTION SYSTEM ARRANGEMENTS <\/td>\n<\/tr>\n
235<\/td>\nFIGURE 15-3 ONE-PIPE HYDRONIC DISTRIBUTION SYSTEM <\/td>\n<\/tr>\n
236<\/td>\nFIGURE 15-4 TWO-PIPE HYDRONIC DISTRIBUTION SYSTEM (DIRECT RETURN) <\/td>\n<\/tr>\n
238<\/td>\nFIGURE 15-5 TWO-PIPE HYDRONIC DISTRIBUTION SYSTEM (REVERSE RETURN) <\/td>\n<\/tr>\n
239<\/td>\nFIGURE 15-6 THREE-PIPE HYDRONIC DISTRIBUTION SYSTEM <\/td>\n<\/tr>\n
240<\/td>\nFIGURE 15-7 FOUR-PIPE HYDRONIC DISTRIBUTION SYSTEM (SINGLE COIL CONVECTION TERMINAL UNITS) <\/td>\n<\/tr>\n
242<\/td>\nFIGURE 15-8 FOUR-PIPE HYDRONIC DISTRIBUTION SYSTEM (DUAL COIL CONVECTION TERMINAL UNITS) <\/td>\n<\/tr>\n
243<\/td>\n15.9 MULTI-LOOP HYDRONIC DISTRIBUTION SYSTEMS
15.10 CONTROLLING HYDRONIC DISTRIBUTION SYSTEM FLOW <\/td>\n<\/tr>\n
244<\/td>\nFIGURE 15-9 MULTI-LOOP HYDRONIC DISTRIBUTION SYSTEM <\/td>\n<\/tr>\n
245<\/td>\nFIGURE 15-10 CONSTANT VOLUME HYDRONIC DISTRIBUTION SYSTEM (DIVERTING VALVE) <\/td>\n<\/tr>\n
246<\/td>\nFIGURE 15-11 DIVERTING VALVE A OUT <\/td>\n<\/tr>\n
247<\/td>\n15.11 HYDRONIC DISTRIBUTION SYSTEM COMPONENTS <\/td>\n<\/tr>\n
248<\/td>\nFIGURE 15-12 CONSTANT VOLUME HYDRONIC DISTRIBUTION SYSTEM (MIXING VALVE) <\/td>\n<\/tr>\n
249<\/td>\nFIGURE 15-13 MIXING VALVE <\/td>\n<\/tr>\n
250<\/td>\nFIGURE 15-14 SINGLE-SEATED TWO-WAY VALVE
FIGURE 15-15 DOUBLE-SEATED TWO-WAY VALVE <\/td>\n<\/tr>\n
252<\/td>\n15.12 HYDRONIC SYSTEM HEAT TRANSFER MODE
15.13 CONVECTION TERMINAL UNITS <\/td>\n<\/tr>\n
256<\/td>\nFIGURE 15-16 PASSIVE CHILLED BEAM
FIGURE 15-17 ACTIVE CHILLED BEAM <\/td>\n<\/tr>\n
257<\/td>\n15.14 THERMAL FLUIDS <\/td>\n<\/tr>\n
258<\/td>\n15.15 SIZING CENTRAL EQUIPMENT FOR ALL-WATER SYSTEMS
Table 15-1 Physical and Heat Transfer Characteristics <\/td>\n<\/tr>\n
259<\/td>\n15.16 HYDRONIC DISTRIBUTION SYSTEM DESIGN <\/td>\n<\/tr>\n
265<\/td>\nCHAPTER 16 HVAC HYDRONIC PUMPS
16.1 INTRODUCTION
16.2 PUMPS <\/td>\n<\/tr>\n
266<\/td>\nFIGURE 16-1 TYPICAL CENTRIFUGAL PUMP PERFORMANCE CURVES <\/td>\n<\/tr>\n
267<\/td>\n16.3 CENTRIFUGAL PUMP OPERATION <\/td>\n<\/tr>\n
269<\/td>\nFIGURE 16-2 TYPICAL CENTRIFUGAL PUMP PERFORMANCE CURVES SUPPLIED BY PUMP MANUFACTURERS <\/td>\n<\/tr>\n
270<\/td>\n16.4 HYDRONIC SYSTEM OPERATION <\/td>\n<\/tr>\n
271<\/td>\nFIGURE 16-3 PUMP AND SYSTEM CURVES <\/td>\n<\/tr>\n
272<\/td>\n16.5 EXPANSION OR COMPRESSION TANK <\/td>\n<\/tr>\n
273<\/td>\nFIGURE 16-4 CORRECT PUMP CONNECTION TO EXPANSION TANK
FIGURE 16-5 INCORRECT PUMP CONNECTION TO EXPANSION TANK <\/td>\n<\/tr>\n
277<\/td>\nCHAPTER 17 MOTORS AND VARIABLE FREQUENCY DRIVES
17.1 INTRODUCTION
17.2 ELECTRIC MOTOR TYPES <\/td>\n<\/tr>\n
278<\/td>\n17.3 INDUCTION MOTOR SIZE CLASSIFICATION
17.4 INDUCTION MOTOR PURPOSE CLASSIFICATION <\/td>\n<\/tr>\n
279<\/td>\nFIGURE 17-1 TYPICAL INTEGRAL HORSEPOWER SQUIRREL CAGE INDUCTION MOTOR
FIGURE 17-2 TYPICAL SQUIRREL CAGE INDUCTION MOTOR ROTOR <\/td>\n<\/tr>\n
280<\/td>\n17.5 INDUCTION MOTOR <\/td>\n<\/tr>\n
281<\/td>\n17.6 INDUCTION MOTOR SPEED-TORQUE RELATIONSHIP <\/td>\n<\/tr>\n
282<\/td>\nFIGURE 17-3 INDUCTION MOTOR SPEED-TORQUE CURVE <\/td>\n<\/tr>\n
283<\/td>\n17.7 INDUCTION MOTOR CHARACTERISTICS <\/td>\n<\/tr>\n
285<\/td>\nTable 17-1 System and Motor Voltages
Table 17-2 Voltage Tolerance Ranges <\/td>\n<\/tr>\n
286<\/td>\nTable 17-3 Voltage Impact on Induction Motor’s Operation <\/td>\n<\/tr>\n
287<\/td>\nTable 17-4 Induction Motor Speeds for Specified Poles <\/td>\n<\/tr>\n
289<\/td>\nFIGURE 17-4 NEMA DESIGN LETTER TOQUE-SPEED CURVES <\/td>\n<\/tr>\n
290<\/td>\n17.8 MOTOR STARTING <\/td>\n<\/tr>\n
291<\/td>\nFIGURE 17-5 TYPICAL FULL-VOLTAGE MOTOR STARTER <\/td>\n<\/tr>\n
292<\/td>\n17.9 VARIABLE FREQUENCY DRIVES <\/td>\n<\/tr>\n
293<\/td>\nFIGURE 17-6 HVAC SYSTEM VFD USE <\/td>\n<\/tr>\n
294<\/td>\nFIGURE 17-7 VFD DRIVE SYSTEM FUNCTIONAL DIAGRAM <\/td>\n<\/tr>\n
296<\/td>\nFIGURE 17-8 FAN AND PUMP OPERATION AS A FUNCTION OF SPEED <\/td>\n<\/tr>\n
299<\/td>\nCHAPTER 18 HVAC SYSTEM CONTROL
18.1 INTRODUCTION
18.2 CONTROL SYSTEM BASICS <\/td>\n<\/tr>\n
300<\/td>\nFIGURE 18-1 GENERIC HVAC CONTROL SYSTEM BLOCK DIAGRAM <\/td>\n<\/tr>\n
301<\/td>\nFIGURE 18-2 VAV TERMINAL UNIT CONTROL BLOCK DIAGRAM <\/td>\n<\/tr>\n
303<\/td>\n18.3 CONTROL LOOPS <\/td>\n<\/tr>\n
304<\/td>\n18.4 THERMOSTAT: SIMPLE CONTROL SYSTEM
18.5 TYPES OF CONTROL SYSTEMS
FIGURE 18-3 CONTROL LOOP <\/td>\n<\/tr>\n
305<\/td>\nFIGURE 18-4 EXAMPLE HVAC CLOSED LOOP CONTROL SYSTEM <\/td>\n<\/tr>\n
307<\/td>\nFIGURE 18-5 TYPICAL PNEUMATIC CONTROL SYSTEM <\/td>\n<\/tr>\n
308<\/td>\nFIGURE 18-6 TYPICAL PNEUMATIC CONTROL VALVES <\/td>\n<\/tr>\n
309<\/td>\nFIGURE 18-7 AUTOMATIC MULTIBLADE DAMPERS <\/td>\n<\/tr>\n
311<\/td>\nFIGURE 18-8 TYPICAL BLEED TYPE THERMOMETER AND OPERATOR <\/td>\n<\/tr>\n
312<\/td>\n18.6 SENSING ELEMENTS
FIGURE 18-9 THERMOSTAT FLAPPER-NOZZLE-BIMETAL ASSEMBLY <\/td>\n<\/tr>\n
313<\/td>\n18.7 CONTROL SIGNAL TRANSMISSION <\/td>\n<\/tr>\n
315<\/td>\n18.8 BUILDING AUTOMATION AND CONTROL SYSTEMS
18.9 REMOTE HVAC SYSTEM MONITORING AND CONTROL
18.10 OPEN-ARCHITECTURE CONTROL SYSTEMS <\/td>\n<\/tr>\n
316<\/td>\n18.11 CONTROL SYSTEM APPLICATIONS <\/td>\n<\/tr>\n
318<\/td>\nFIGURE 18-10 STATIC PRESSURE CONTROL OF OUTDOOR AIR
FIGURE 18-11 BASIC ECONOMY CYCLE FOR CONTROL OF OUTDOOR AIR <\/td>\n<\/tr>\n
319<\/td>\nFIGURE 18-12 ENTHALPY CONTROL OF OUTDOOR AIR <\/td>\n<\/tr>\n
320<\/td>\nFIGURE 18-13 OUTDOOR AIR CONTROL OF PREHEAT COIL
FIGURE 18-14 PREHEAT SECONDARY PUMP AND THREE-WAY VALVE <\/td>\n<\/tr>\n
321<\/td>\nFIGURE 18-15 PREHEAT SECONDARY PUMP AND TWO-WAY VALVE
FIGURE 18-16 HEATING COIL AND TWO-WAY VALVE <\/td>\n<\/tr>\n
323<\/td>\nFIGURE 18-17 ELECTRIC COIL WITH SOLID-STATE CONTROLLER
FIGURE 18-18 COOLING AND DEHUMIDIFICATION: PRACTICAL LOW LIMIT <\/td>\n<\/tr>\n
324<\/td>\nFIGURE 18-19 COOLING AND DEHUMIDIFICATION WITH REHEAT <\/td>\n<\/tr>\n
325<\/td>\nFIGURE 18-20 EVAPORATIVE COOLING PROCESS
FIGURE 18-21 EVAPORATIVE COOLING WITH AN AIR WASHER <\/td>\n<\/tr>\n
326<\/td>\nFIGURE 18-22 PAN HUMIDIFIER CONTROL <\/td>\n<\/tr>\n
327<\/td>\nFIGURE 18-23 MIXED LOADS WITH DEMAND RESET <\/td>\n<\/tr>\n
328<\/td>\nFIGURE 18-24 COIL CONTROL USING A THREE-WAY VALVE <\/td>\n<\/tr>\n
329<\/td>\nFIGURE 18-25 PUMP AND SYSTEM CURVES WITH VALVE CONTROL <\/td>\n<\/tr>\n
330<\/td>\nFIGURE 18-26 TWO-WAY VALVE WITH PUMP BYPASS <\/td>\n<\/tr>\n
331<\/td>\nFIGURE 18-27 TWO-PIPE CENTRAL PLANT SYSTEM <\/td>\n<\/tr>\n
332<\/td>\nFIGURE 18-28 CONTROL OF A HOT WATER BOILER <\/td>\n<\/tr>\n
334<\/td>\nFIGURE 18-29 HYDRONIC SYSTEM LOAD AND ZONE CONTROL
FIGURE 18-30 STEAM-TO-HOT WATER HEAT EXCHANGE CONTROL <\/td>\n<\/tr>\n
335<\/td>\nFIGURE 18-31 DUCT HEATER CONTROL <\/td>\n<\/tr>\n
337<\/td>\n18.12 CONTROL SYSTEM LAYOUT AND OPERATIONAL CONSIDERATIONS <\/td>\n<\/tr>\n
341<\/td>\nCHAPTER 19 SMOKE CONTROL SYSTEMS
19.1 INTRODUCTION
19.2 SMOKE CONTROL SYSTEMS
19.3 SMOKE MOVEMENT <\/td>\n<\/tr>\n
342<\/td>\nFIGURE 19-1 SMOKE CONTROL SYSTEM DESIGN FACTORS <\/td>\n<\/tr>\n
343<\/td>\nFIGURE 19-2 AIR MOVEMENT DUE TO NORMAL AND REVERSE STACK EFFECT <\/td>\n<\/tr>\n
344<\/td>\n19.4 SMOKE MANAGEMENT
19.5 SMOKE CONTROL <\/td>\n<\/tr>\n
345<\/td>\nFIGURE 19-3 SMOKE CONTROL SYSTEM USING PRESSURE DIFFERENTIAL ACROSS A SMOKE BARRIER TO PREVENT SMOKE MIGRATION FROM THE LOW- TO THE HIGH-PRESSURE SIDE
FIGURE 19-4 SMOKE BACKFLOW AGAINST LOW AIR VELOCITY THROUGH AN OPEN DOORWAY <\/td>\n<\/tr>\n
346<\/td>\nFIGURE 19-5 NO SMOKE BACKFLOW WITH HIGH AIR VELOCITY THROUGH AN OPEN DOORWAY <\/td>\n<\/tr>\n
347<\/td>\n19.6 SIMPLE STAIRWELL PRESSURIZATION <\/td>\n<\/tr>\n
348<\/td>\nFIGURE 19-6 TOP INJECTION STAIRWELL PRESSURIZATION
FIGURE 19-7 MULTIPLE INJECTION WITH GROUND LEVEL FAN <\/td>\n<\/tr>\n
349<\/td>\nFIGURE 19-8 MULTIPLE INJECTION WITH ROOF MOUNTED FAN <\/td>\n<\/tr>\n
350<\/td>\n19.7 COMPLEX STAIRWELL PRESSURIZATION <\/td>\n<\/tr>\n
351<\/td>\nFIGURE 19-9 STAIRWELL PRESSURIZATION WITH AIR SUPPLY AT EACH FLOOR
FIGURE 19-10 STAIRWELL PRESSURIZATION WITH BYPASS AROUND SUPPLY FAN <\/td>\n<\/tr>\n
352<\/td>\n19.8 ZONED SMOKE CONTROL <\/td>\n<\/tr>\n
353<\/td>\nFIGURE 19-11 TYPICAL SMOKE CONTROL ZONE ARRANGEMENTS <\/td>\n<\/tr>\n
359<\/td>\nCHAPTER 20 CLEANROOM HVAC SYSTEMS
20.1 INTRODUCTION
20.2 CLASSES OF CLEANROOMS
Table 20-1 FS 209(D) Cleanroom Classifications <\/td>\n<\/tr>\n
360<\/td>\nTable 20-2 History of FS 209: Airborne Particulate Cleanliness Classes in Clean Rooms and Clean Zones
Table 20-3 FS 209(E) Cleanroom Classifications <\/td>\n<\/tr>\n
361<\/td>\n20.3 CLEANROOM HVAC SYSTEMS
Table 20-4 ISO 14644 Family of Standards <\/td>\n<\/tr>\n
362<\/td>\nTable 20-5 ISO Cleanroom and Other Associated Controlled Environments Classifications <\/td>\n<\/tr>\n
363<\/td>\n20.4 CLEANROOM AIRFLOW PARAMETERS <\/td>\n<\/tr>\n
364<\/td>\nFIGURE 20-1 CONVENTIONAL FLOW CLEANROOM
FIGURE 20-2 CROSS FLOW LAMINAR FLOW CLEANROOM <\/td>\n<\/tr>\n
365<\/td>\nFIGURE 20-3 DOWN FLOW LAMINAR FLOW CLEANROOM <\/td>\n<\/tr>\n
366<\/td>\nFIGURE 20-4 LAMINAR FLOW WORKSTATIONS
FIGURE 20-5 TYPICAL SECONDARY AIR LOCATION: CROSS FLOW LAMINAR FLOW CLEANROOM <\/td>\n<\/tr>\n
367<\/td>\nFIGURE 20-6 CONVENTIONAL CLEANROOM WITH BYPASS FAN
FIGURE 20-7 CONVENTIONAL CLEANROOM WITH PACKAGED FAN\/ HEPA UNITS <\/td>\n<\/tr>\n
368<\/td>\n20.5 DESIGN AND PERFORMANCE CONSIDERATIONS FOR CLEANROOMS
20.6 CONTROL SYSTEMS
Table 20-6 Air Pressure Relationship
Table 20-7 Cleanroom Temperature and Humidity <\/td>\n<\/tr>\n
369<\/td>\nFIGURE 20-8 CLEANROOM MECHANICAL DESIGN CONSIDERATIONS <\/td>\n<\/tr>\n
370<\/td>\n20.7 HVAC DUCTWORK <\/td>\n<\/tr>\n
371<\/td>\n20.8 TYPICAL CLEANROOM SYSTEMS <\/td>\n<\/tr>\n
372<\/td>\nFIGURE 20-9 TYPICAL ISO CLASS 4 CLEANROOM <\/td>\n<\/tr>\n
373<\/td>\nFIGURE 20-10 TYPICAL ISO CLASS 5 CLEANROOM <\/td>\n<\/tr>\n
374<\/td>\n20.9 CLEANROOM TESTING <\/td>\n<\/tr>\n
375<\/td>\nFIGURE 20-11 TYPICAL ISO CLASS 7 CLEANROOM <\/td>\n<\/tr>\n
379<\/td>\nCHAPTER 21 LABORATORY HVAC SYSTEMS
21.1 INTRODUCTION
21.2 LABORATORY ENVIRONMENTAL REQUIREMENTS
21.3 SUPPLY AIR SYSTEMS <\/td>\n<\/tr>\n
381<\/td>\n21.4 EXHAUST AIR SYSTEMS <\/td>\n<\/tr>\n
384<\/td>\n21.5 LABORATORY FUME HOODS <\/td>\n<\/tr>\n
386<\/td>\nFIGURE 21-1 TYPICAL PROCESS FUME HOOD <\/td>\n<\/tr>\n
387<\/td>\nFIGURE 21-2 TYPICAL BYPASS FUME HOOD WITH VERTICAL SASH AND BYPASS AIR INLET <\/td>\n<\/tr>\n
388<\/td>\nFIGURE 21-3 TYPICAL AUXILIARY FUME HOOD <\/td>\n<\/tr>\n
389<\/td>\n21.6 BIOLOGICAL SAFETY CABINETS <\/td>\n<\/tr>\n
390<\/td>\nTable 21-1 Typical Characteristics Of Biological Safety Cabinets
FIGURE 21-4 TYPICAL CLASS I BIOLOGICAL SAFETY CABINET <\/td>\n<\/tr>\n
391<\/td>\nFIGURE 21-5 TYPICAL CLASS II TYPE A BIOLOGICAL SAFETY CABINET <\/td>\n<\/tr>\n
392<\/td>\n21.7 BIOMEDICAL LABORATORIES AND ANIMAL RESEARCH FACILITIES
FIGURE 21-6 TYPICAL CLASS II TYPE B BIOLOGICAL SAFETY CABINET <\/td>\n<\/tr>\n
394<\/td>\nFIGURE 21-7 NIH DESIGN REQUIREMENTS MANUAL CONTENTS <\/td>\n<\/tr>\n
399<\/td>\nAPPENDIX A DISPLACEMENT VENTILATION
A.1 DISPLACEMENT VENTILATION OVERVIEW
A.2 DV SYSTEM OPERATION
A.3 DV SYSTEM THERMAL PLUME <\/td>\n<\/tr>\n
400<\/td>\nA.4 DV SYSTEM ENERGY CONSIDERATIONS
A.5 CEILING HEIGHT
A.6 HEATING WITH DV SYSTEMS
A.7 DV SYSTEMS AND UNDERFLOOR AIR DISTRIBUTION SYSTEMS <\/td>\n<\/tr>\n
401<\/td>\nA.8 CONCLUSION <\/td>\n<\/tr>\n
405<\/td>\nAPPENDIX B DEDICATED OUTSIDE AIR SYSTEMS
B.1 DEDICATED OUTSIDE AIR SYSTEMS OVERVIEW
B.2 DOAS ADVANTAGES <\/td>\n<\/tr>\n
406<\/td>\nB.3 DOAS DISADVANTAGES
B.4 FRACTIONAL AND INTEGRATED DOAS SYSTEMS <\/td>\n<\/tr>\n
409<\/td>\nAPPENDIX C SUSTAINABLE BUILDING HVAC SYSTEMS
C.1 SUSTAINABLE BUILDINGS
C.2 WHAT IS A SUSTAINABLE BUILDING?
C.3 SUSTAINABLE BUILDING RATING SYSTEMS <\/td>\n<\/tr>\n
410<\/td>\nC.4 LEEDTM GREEN BUILDING CERTIFICATION
C.5 LEEDTM CERTIFICATION <\/td>\n<\/tr>\n
411<\/td>\nC.6 EXAMPLE LEEDTM HVAC REQUIREMENTS
C.7 SUSTAINABLE BUILDING INFORMATION FOR THE HVAC CONTRACTOR <\/td>\n<\/tr>\n
415<\/td>\nAPPENDIX D THERMAL ENERGY STORAGE
D.1 FULL OR PARTIAL STORAGE <\/td>\n<\/tr>\n
421<\/td>\nGLOSSARY <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

HVAC Systems Applications, 2nd Edition<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
SMACNA<\/b><\/a><\/td>\n2010<\/td>\n442<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":28938,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2703],"product_tag":[],"class_list":{"0":"post-28937","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-smacna","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/28937","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/28938"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=28937"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=28937"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=28937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}