HVAC Details 2.0 Light

INDEX

A.C. UNIT

  A.C. unit piping hook-up (2-way) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214   A.C. unit piping hook-up (3-way) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215 Computer room A.C. unit mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . 178 Computer RM. a/c unit piping detail . . . . . . . . . . . . . . . . . . . . . . . . . . 222 Computer RM. a/c unit piping detail . . . . . . . . . . . . . . . . . . . . . . . . . . 223 Horizontal computer RM. A.C. unit piping detail . . . . . . . . . . . . . . . . . . . 269 Packaged A.C. unit piping detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271 Packaged air cooled A.C. until detail . . . . . . . . . . . . . . . . . . . . . . . . . 213 ABBREVIATIONS

  Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135   Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136   Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137    Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138   Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139 AIR HANDLING UNITS

  Air handling unit drain trap detail . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 Exposed horizontal fan coil unit mounting detail . . . . . . . . . . . . . . . . . .

58

Sequence of operation for variable air  volume air hand line unit with economizer . . . . . . . . . . . . . . . . . . . . . 345 Air Terminal Unit Sounds Requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . 309 BOILER DETAILS

Cast iron boiler piping hook-up low    pressure steam-packaged or field assembled . . . . . . . . . . . . . . . . . . . . 170 Fire tube ( Fire box) Boiler piping hook up low pressure steam- packaged or field assembled . . . . . . . . . . . . . . . . . 169 Modular boiler details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Scotch marie boiler piping hookup low pressure steam- ( Package or field assembled) air atomizing type . . . . . . . . . . . . . . 171

CEILING OUTLET

Fire Protection for Ceiling Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . 116 CONCRETE EQUIPMENT BASES

Concrete Equipment Bases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 Vibration Isolation Bases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 CONTROL SYSTEM

Cabinet unit heater control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Constant volume air terminal unit with with reheat reheat control control diagram diagram (type"b") . . . . . . 10 Control of smoke barrier above smoke barrier doors . . . . . . . . . . . . . . . . . 2 Control of smoke damp at smoke   partition with duct mounted smoke detection . . . . . . . . . . . . . . . . . . . . . 1 Control strategy-interface with V.T. controller . . . . . . . . . . . . . . . . . . . . 181 Direct digital control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

273

Dual converter control (heating system) . . . . . . . . . . . . . . . . . . . . . . .

22

Emergency generator room controls . . . . . . . . . . . . . . . . . . . . . . . . . .

4

Fan powered VAV air terminal unit with reheat control diagram. . . . . . . . . .

5

Hoistway vent damper (HVD) controls . . . . . . . . . . . . . . . . . . . . . . . . .

3

Hot water cabinet unit heater controls . . . . . . . . . . . . . . . . . . . . . . . . 25 Hot water unit heater control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Hepa filter controls for autopsy and  isolation refrigerator exhaust controls . . . . . . . . . . . . . . . . . . . . . . . . . 13 H3 radioisotope hood constant volume exhaust air controls . . . . . . . . . . . . . 16 H3 radioisotope hood variable volume exhaust air controls . . . . . . . . . . . . . 15 Local control panel detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188 Mortuary Refrigerator Exhaust Controls . . . . . . . . . . . . . . . . . . . . . . . . 14 Packaged air- cooled water chiller controls . . . . . . . . . . . . . . . . . . . . . . 12 Steam humidifier controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Two pipe fan coil unit controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26

VAV air terminal unit with reheat control . . . . . . . . . . . . . . . . . . . . . . . . 6 VAV air terminal unit without reheat control diagram (type"a") . . . . . . . . . . . 11 VAV air terminal unit with reheat control diagram (type"c") . . . . . . . . . . . . . 9 Vav air terminal unit with reheat control  diagram (type “d”) combined with perimeter radiant ceiling panels . . . . . . . . . 8 Vav air terminal unit with reheat control  diagram (type"e") combined with perimeter finned tube radiation . . . . . . . . . . 7  Walk-in refrigerator or freezer  system control with air cooled condenser . . . . . . . . . . . . . . . . . . . . . . . . 20 Walk-in refrigerator or freezer  system control with water cooled condenser . . . . . . . . . . . . . . . . . . . . . 19

CEILING OUTLET

Fire Protection for Ceiling Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . 116 CONCRETE EQUIPMENT BASES

Concrete Equipment Bases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 Vibration Isolation Bases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 CONTROL SYSTEM

Cabinet unit heater control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Constant volume air terminal unit with with reheat reheat control control diagram diagram (type"b") . . . . . . 10 Control of smoke barrier above smoke barrier doors . . . . . . . . . . . . . . . . . 2 Control of smoke damp at smoke   partition with duct mounted smoke detection . . . . . . . . . . . . . . . . . . . . . 1 Control strategy-interface with V.T. controller . . . . . . . . . . . . . . . . . . . . 181 Direct digital control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

273

Dual converter control (heating system) . . . . . . . . . . . . . . . . . . . . . . .

22

Emergency generator room controls . . . . . . . . . . . . . . . . . . . . . . . . . .

4

Fan powered VAV air terminal unit with reheat control diagram. . . . . . . . . .

5

Hoistway vent damper (HVD) controls . . . . . . . . . . . . . . . . . . . . . . . . .

3

Hot water cabinet unit heater controls . . . . . . . . . . . . . . . . . . . . . . . . 25 Hot water unit heater control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Hepa filter controls for autopsy and  isolation refrigerator exhaust controls . . . . . . . . . . . . . . . . . . . . . . . . . 13 H3 radioisotope hood constant volume exhaust air controls . . . . . . . . . . . . . 16 H3 radioisotope hood variable volume exhaust air controls . . . . . . . . . . . . . 15 Local control panel detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188 Mortuary Refrigerator Exhaust Controls . . . . . . . . . . . . . . . . . . . . . . . . 14 Packaged air- cooled water chiller controls . . . . . . . . . . . . . . . . . . . . . . 12 Steam humidifier controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Two pipe fan coil unit controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26

VAV air terminal unit with reheat control . . . . . . . . . . . . . . . . . . . . . . . . 6 VAV air terminal unit without reheat control diagram (type"a") . . . . . . . . . . . 11 VAV air terminal unit with reheat control diagram (type"c") . . . . . . . . . . . . . 9 Vav air terminal unit with reheat control  diagram (type “d”) combined with perimeter radiant ceiling panels . . . . . . . . . 8 Vav air terminal unit with reheat control  diagram (type"e") combined with perimeter finned tube radiation . . . . . . . . . . 7  Walk-in refrigerator or freezer  system control with air cooled condenser . . . . . . . . . . . . . . . . . . . . . . . . 20 Walk-in refrigerator or freezer  system control with water cooled condenser . . . . . . . . . . . . . . . . . . . . . 19

CONVECTOR DETAIL

Convector detail-steam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

236

Convector-hot water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232 Convector-steam Convector-st eam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233 Wall hung convector detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

62

DAMPER

  Access panel/ access door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Branch duct take off and damper detail . . . . . . . . . . . . . . . . . . . . . . . 350 Combination fire and smoke damper detail . . . . . . . . . . . . . . . . . . . . . 268 Fine damper detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265 Fine damper detail high velocity . . . . . . . . . . . . . . . . . . . . . . . . . .

266

Horizontal fire damper detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267  Section through typical fire damper installation . . . . . . . . . . . . . . . . . . .

39

Volume damper detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 DUCT DETAILS

  Access panel for high pressure duct systems . . . . . . . . . . . . . . . . . . . . . 42   Acoustical duct liner detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253 Circular branch connection to single air outlet . . . . . . . . . . . . . . . . . . . 256 Companion angle flanged joint  detail transverse for low pressure duct work . . . . . . . . . . . . . . . . . . . . 252 Detail of sides and top of breeching opening in chimney chimney (no air space) . . . . . . 254 Details of sub-duct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255 Duct leakage classification and allowable leakage table . . . . . . . . . . . . . . 324 Duct piercing structural steel detail . . . . . . . . . . . . . . . . . . . . . . . . . 257  Duct penetration thru roof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145 Duct penetration thru roof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157  Duct pressure class table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331 Duct roof terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147  Duct roof terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 Duct work square vane elbows . . . . . . . . . . . . . . . . . . . . . . . . . . . .

51

Electric duct heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 Exhaust or return branch duct work . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Film processor duct detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Flat oval duct hangers/ reinforcement . . . . . . . . . . . . . . . . . . . . . . . .

38

Flexible duct connection for air terminal units . . . . . . . . . . . . . . . . . . . . 28 Linearr Diffuse Linea Diffuserr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258 Low pressure duct riser support  medium and high pressure duct riser support . . . . . . . . . . . . . . . . . . . .

36

Method of hanging duct work . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250

Outside air intake detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264 Rectangular flexible connection round flexible connection . . . . . . . . . . . . . .47 Return air duct work branch duct connection . . . . . . . . . . . . . . . . . . . . 262 26 2 Round duct hangers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37 Round duct hanging detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .249 Round supply air duct work branch duct connection . . . . . . . . . . . . . . . . 179 Supply air ductwork branch duct connection . . . . . . . . . . . . . . . . . . . . 259 Supply air duct work branch duct connection . . . . . . . . . . . . . . . . . . . Supply branch duct for fan coil units . . . . . . . . . . . . . . . . . . . . . . . . .

261 48

Supply duct work take-off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Supply duct with splitter damper . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 Turning vane detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 Typical duct work transition with equipment mounted in duct . . . . . . . . . . . 50 Typical hanging detail for equipment duct work and piping . . . . . . . . . . . . .187 Electric Baseboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341 EXHAUST SYSTEM

Biological H2 cabinet exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27  Cage washer Exhaust detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 Dishwasher exhaust and piping detail . . . . . . . . . . . . . . . . . . . . . . . . 34 Exhaust air system for negative isolation room . . . . . . . . . . . . . . . . . . .

18

Exhaust air system for positive isolation room . . . . . . . . . . . . . . . . . . . . 19 Exhaust fan stack detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Low-silhouette exhaust or intake hood . . . . . . . . . . . . . . . . . . . . . . . . 52 Nurse server cabinet exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29

Expansion Loop Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 FAN COIL AND COIL CONNECTIONS

Coil section detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190 Domestic hot water heater piping connections . . . . . . . . . . . . . . . . . . . 195 Fan coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342 Fan coil piping detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216 Fan coil unit detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224 Fan coil unit detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 Heating coil connection-steam (multiple coil) . . . . . . . . . . . . . . . . . . . . 161 Heating coil connection (single coil) . . . . . . . . . . . . . . . . . . . . . . . . . 162 Heating coil connections steam . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163 Heating coil convections with 2 way valve ( hot water) . . . . . . . . . . . . . . . 164

Heating coil connections with 3 way  control valve and circulating pump ( hot water) . . . . . . . . . . . . . . . . . . . 165 Multiple cooling coil piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167  Multiple heating coil detail-hot water . . . . . . . . . . . . . . . . . . . . . . . . 186 Reheat coil section detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191 Single cooling coil connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166 FIN TUBE

One(1) high hot water fin tube radiation down feed . . . . . . . . . . . . . . . . .234 One(1) high hot water fin tube radiation up feed . . . . . . . . . . . . . . . . . . 235 FUEL OIL SCHEMATIC

Duplex fuel oil pump set piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208 Fuel oil schematic- light oil pressurized loop . . . . . . . . . . . . . . . . . . . . . 149 Fuel oil schematic-light oil valve ( hot water) . . . . . . . . . . . . . . . . . . . . 150 Fuel oil schematic- light or heavy oil non pressurized loop . . . . . . . . . . . . . 172 Fuel oil schematic-light oil pressurized loop . . . . . . . . . . . . . . . . . . . . . 173 General Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 HANGERS

Trapeze hanger for up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 Typical method of securing hanger rods in concrete slabs and beams . . . . . . . 121 HEATER DETAIL

Cabinet unit heater detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351 Gas fired infra-red tube heaters . . . . . . . . . . . . . . . . . . . . . . . . . . . 337  Heating element in Flr. trench detail . . . . . . . . . . . . . . . . . . . . . . . . . 231 Hot water cabinet heater detail . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 Plate frame heat exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 Plate frame heat exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 Plate frame heat exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272 HOOD TYPE

Hood type "a" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Hood type "b" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 HVAC

HVAC design data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 Hanging detail H.V.A.C. equipment . . . . . . . . . . . . . . . . . . . . . . . . . . 221 HVAC duct system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 347 

HVAC specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346 INLINE FAN

Inline fan floor mounted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

220

Inline fan hanging support detail . . . . . . . . . . . . . . . . . . . . . . . . . . . 217  INSTALLATION DETAILS

Installation of thermometer wells . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 Water flow measuring device installation detail . . . . . . . . . . . . . . . . . . . 103 Water flow measuring device installation detail . . . . . . . . . . . . . . . . . . . 104 Legends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344 Louvered Pent House Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182 MINIMATE UNITS

Minimate evaporator unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336 Minimate outdoor air cooled condensing unit . . . . . . . . . . . . . . . . . . .

339

Package Air Cooled Reciprocating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229 Pilot Test Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 PIPES AND PIPING CONNECTIONS

 Air control and piping convections for chilled and  heating hot water systems with diaphragm type expansion tank . . . . . . . . . . 91  Air control and piping connections for chilled and  heating hot water systems with floor mounted expansion tank . . . . . . . . . . . 92  Air control and piping connections for chilled and  heating hot water systems with horizontal expansion tank . . . . . . . . . . . . . . 93   Anchor for condenser water or chilled water pipes . . . . . . . . . . . . . . . . . .107  Cast iron radiator piping detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230 Chiller piping detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243 Chiller piping detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248 Condensate return piping around openings . . . . . . . . . . . . . . . . . . . . .

94

Detail for supporting pipe on roof . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Domestic hot water heater piping connections . . . . . . . . . . . . . . . . . . . 200 Forced Draft cooling tower piping detail . . . . . . . . . . . . . . . . . . . . . . . 227  Forced draft cooling tower piping detail (multiple cell) . . . . . . . . . . . . . . . 228 Hot water radiant ceiling panel piping detail . . . . . . . . . . . . . . . . . . . . . 68 Horizontal pipe anchor detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

109

Pipe heat trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 Piping and control diagram for indirect make up for glycol water system . . . . . . 90 Piping crossing a seismic joint detail c . . . . . . . . . . . . . . . . . . . . . . . .

65

Piping crossing A seismic joint detail A . . . . . . . . . . . . . . . . . . . . . . . .

72

Piping crossing A seismic joint detail B . . . . . . . . . . . . . . . . . . . . . . . . . 71 Piping crossing F seismic joint detail D . . . . . . . . . . . . . . . . . . . . . . . .

70

Piping crossing A seismic joint detail E . . . . . . . . . . . . . . . . . . . . . . . .

69

Refrigerant piping diagram for ceiling mounted compressor (walk in refrigerator or freezer) . . . . . . . . . . . . . . . . 112 Refrigerant piping diagram for ceiling mounted compressor (walk in refrigerator or freezer) . . . . . . . . . . . . . . . . 113 Refrigerant piping detail (air conditioning) . . . . . . . . . . . . . . . . . . . . . . 114 Refrigerant piping schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

226

Support/Anchor for pipe risers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Typical piping connections to two pipe   fan coil units, vav boxes and duct mounted reheat coils . . . . . . . . . . . . . . . 66 Typical piping connections to multi-cell cooling tower . . . . . . . . . . . . . . . . . 75 Typical piping connections to single cell cooling tower . . . . . . . . . . . . . . . . .76 Typical piping connections to absorption chiller . . . . . . . . . . . . . . . . . . . . 77  Typical piping connections to reciprocating . . . . . . . . . . . . . . . . . . . . . . . 78 Typical piping connections to water cooled electric chiller . . . . . . . . . . . . . . .79 Typical piping connections to air coiled water chiller . . . . . . . . . . . . . . . . . 80 Typical piping connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Typical piping connections to water    filters for chilled and heating hot water systems . . . . . . . . . . . . . . . . . . . . 85 Typical piping connections to evaporative water coolers . . . . . . . . . . . . . . . 87  Typical chilled and hot water    piping drain valve connections/Typical air vent . . . . . . . . . . . . . . . . . . . . 89 Typical piping connections to condensate pumps . . . . . . . . . . . . . . . . . . . 95 Typical piping connections to floor mounted double suction water pumps . . . . . 96 Typical piping connections to floor mounted double suction water pumps . . . . . 97  Typical piping connections to floor mounted single suction water pumps . . . . . . 98 Typical piping connections to floor mounted single suction water pumps . . . . . . 99 Typical piping connections to in-line water pumps . . . . . . . . . . . . . . . . . . 100 Typical detail for tubing piping and  conduits passing through pre-fab insulated wall panels . . . . . . . . . . . . . . . 101 Typical pipe trench in building . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 Typical detail of concrete pipe trench in building . . . . . . . . . . . . . . . . . . . . 247  Unit heater hot water piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237  Unit heater low pressure steam piping . . . . . . . . . . . . . . . . . . . . . . . . . 238 Vertical riser guide and anchor (4"0 & above) . . . . . . . . . . . . . . . . . . . . 246

Propellor Fan thru the Wall Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 PUMP DETAIL

Condensate pump set connections duplex . . . . . . . . . . . . . . . . . . . . . . 241 Duplex vacuum pump detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 End-suction water pump installation . . . . . . . . . . . . . . . . . . . . . . . .

210

Horizontal split case water pump installation . . . . . . . . . . . . . . . . . . . . 211 Horizontal water cooled heat pump installation detail . . . . . . . . . . . . . . .

54

In-line pump detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209 Pump valving (suction at floor level) . . . . . . . . . . . . . . . . . . . . . . . . . .212 ROOF CONNECTION DETAILS

Kitchen roof exhaust fan detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . .219 Packaged roof top equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334 Packaged roof top equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 338 Roof mounted stanchion base support . . . . . . . . . . . . . . . . . . . . . . . . 155 Roof mounted pipe support detail . . . . . . . . . . . . . . . . . . . . . . . . . . .160 Roof exhauster detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218 Roof top units (typical) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352 Typical power type roof ventilator . . . . . . . . . . . . . . . . . . . . . . . . . .

53

SCHEDULES

  Air handling unit schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278   Air cooled condensing unit schedule . . . . . . . . . . . . . . . . . . . . . . . . . 296   Air flow control valve (terminal units) schedule . . . . . . . . . . . . . . . . . . . 308   Air to air plate heat exchanger schedule . . . . . . . . . . . . . . . . . . . . . . . 320   Air flow measuring device schedule . . . . . . . . . . . . . . . . . . . . . . . . .

328

  Air filter schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329 Chilled water cooling coil schedule . . . . . . . . . . . . . . . . . . . . . . . . . . 282 Condensing unit schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290 Condensate cooler schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312 Converter schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313 Cooling tower schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316 Curb mounted gravity hood schedule . . . . . . . . . . . . . . . . . . . . . . . . . 323 Compressor unit schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325 Condensing unit schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335 Designer's notes for details and schedules . . . . . . . . . . . . . . . . . . . . . . 141 Direct expansion coil schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . .279 Diffuser/ grille schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332 Electric radiant ceiling panel schedule . . . . . . . . . . . . . . . . . . . . . . . . . 283

Electric unit heater schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284 Electric duct mounted heater schedule . . . . . . . . . . . . . . . . . . . . . . . . . 285 Energy efficient motor schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288 Evaporative water cooler schedule . . . . . . . . . . . . . . . . . . . . . . . . . . 297  Evaporative condenser schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298 Expansion tank schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303 Energy recovery run around water coil schedule . . . . . . . . . . . . . . . . . . . 321 Exhaust and fume hood schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330 Exhaust fan schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340 Four pipe fan coil unit schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306 Fan schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318 Furnace equipment schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343 Hot water heating coil schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . .281 Hot water finned tube radiation schedule . . . . . . . . . . . . . . . . . . . . . . . 287  HVAC pump schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293 Hot water unit heater schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304 Hydronic radiant ceiling panel schedule . . . . . . . . . . . . . . . . . . . . . . . . 317  Hoistway vent damper schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326 Make-up air heating and ventilating unit schedule . . . . . . . . . . . . . . . . . . 227  Room heating and cooling unit schedule (thru-wall, electric heating coil, self-contained refrigeration) . . . . . . . . . . . . 276 Reciprocating chiller and remote air cooled condenser schedule . . . . . . . . . . 300 Rotary air to air heat exchanger schedule . . . . . . . . . . . . . . . . . . . . . . . 319 Single packaged water cooled air conditioner schedule . . . . . . . . . . . . . . . .275 Steam coil schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280 Steam unit heater schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

286

Steam condensate pump schedule . . . . . . . . . . . . . . . . . . . . . . . . . .

295

Single duct air terminal unit schedule . . . . . . . . . . . . . . . . . . . . . . . . 305 Steam radiator finned tube radiation and  convector connections schedule (for gravity or vacuum return systems) . . . . . . 310 Steam humidifier schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311 Safety valve and relief valve schedule . . . . . . . . . . . . . . . . . . . . . . . . . 315 Sound attenuating units schedule) . . . . . . . . . . . . . . . . . . . . . . . . . . . 322 Smoke and combination fire/smoke damper schedule . . . . . . . . . . . . . . . .327  Two pipe fan coil unit schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . .307  Unit coller schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291 Vacuum pump schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294 Vibration isolation schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292 Water cooled heat pump schedule . . . . . . . . . . . . . . . . . . . . . . . . . . .274 Water cooled chiller schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301 Water filter schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314

Seismic Bracing for Light Suspended Equipment . . . . . . . . . . . . . . . . . . . . . . 117  STEAM AND WATER CONNECTIONS

Cast iron steam radiator detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229 Cold water make up back flow preventor . . . . . . . . . . . . . . . . . . . . . . . 144 Detail of anchor in trench for steam and condensate line . . . . . . . . . . . . . . 105 Piping connections to horizontal type steam unit heater . . . . . . . . . . . . . .

61

Steam meter valving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 Steam humidifier detail (multiple manifold) . . . . . . . . . . . . . . . . . . . . . .240 Steam humidifier detail (single distribution) . . . . . . . . . . . . . . . . . . . . . 239 Typical connections to horizontal  type steam humidifier with multiple diffusers . . . . . . . . . . . . . . . . . . . .

59

Typical connections to horizontal type steam humidifier with single diffuser . . . . 60 Typical connections to steam coil . . . . . . . . . . . . . . . . . . . . . . . . . . .

63

Typical connections to horizontal hot  water connections to vertical hot water unit heater . . . . . . . . . . . . . . . . .

64

SYMBOLS

  Air terminal symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 Combination air conditioning and heating piping symbols

. . . . . . . . . . . . .127 

Controls symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 Controls symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123 Drawing symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 Duct work symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131 Duct work symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132 Duct work symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 General symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 Piping riser symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

125

Piping symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

128

Terminal unit symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

130

Valve symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 TANK CONNECTIONS

Compression tank with air separator precharge type . . . . . . . . . . . . . . . . 205 Compression tank with air separator . . . . . . . . . . . . . . . . . . . . . . . . . 204 Condensate flash tank connections . . . . . . . . . . . . . . . . . . . . . . . . . . 203 Fuel oil tank- fiber glass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Open type expansion tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Underground fuel oil storage tank . . . . . . . . . . . . . . . . . . . . . . . . . . .207  Trust Restraint for Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

Typical Drain Hook-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146 Typical Drain Hook-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 UNIT COOLER

Support for unit cooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142 Unit Elevation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349 VALVES

Heating coil connections with 2 way valve ( hot water) . . . . . . . . . . . . . . . 151 Steam pressure reducing station double valve . . . . . . . . . . . . . . . . . . . . 73 Steam pressure reducing station single valve . . . . . . . . . . . . . . . . . . . .

74

Water Flow Measuring Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302 WATER TREATMENT

Typical chilled and heating hot water treatment for closed systems . . . . . . . . 84 Typical cooling tower water treatment system (open system) . . . . . . . . . . .

83