First Operations 300-1200 CFM User's Manual
Contents
1. Application VFB Series Guide VSB Series VCB Series WCB Series Vertical Console Fan Coils 300 1200 CFM This application guide includes expanded cooling and heating data as well as typical connection diagrams and standard valve piping package configurations Table of Contents 3 Row Cooling and Heating Data 4 Row Cooling and Heating Data 1 Row Heating Data Typical Connection Diagrams Valve Piping Packages Model Nomenclature FIRST OPERATIONS LP P O Box 270969 Dallas Texas 75227 Ph 214 388 5751 Fax 214 388 2255 www firstco com 3 Row Performance Data CHILLED WATER COOLING CAPACITY 3 ROW 45 F ENTERING WATER 42 F ENTERING WATER NIT P D 80 F DB 67 F WB 75 F DB 63 F WB 80 F DB 67 F WB 75 F DB 63 F WB ALL CFM GPM FT ENTERING AIR ENTERING AIR ENTERING AIR ENTERING AIR MODELS WTR TOTAL SENS TEMP TOTAL SENS TEMP TOTAL SENS TEMP TOTAL SENS TEMP MBH MBH RISE MBH MBH RISE MBH MBH RISE MBH MBH RISE 280 10 21 6 7 56 134 5 6 56 112 73 59 147 5 6 52 112 HIGH 20 63 8 9 65 90 6 8 57 68 9 8 682. 3 Way Valve with Ball Valves Air Vent Ball Valve 3B 2 pipe or 4 pipe 2 pipe Hydronic Heating only 2 pipe Hydronic Cooling only 2 pipe Hydronic Heating amp Cooling manual changeover 4 S no aquastat lockout Ball Valve 2 pipe Hydronic cooling with total electric heat 4pipe Hydronic Heating amp Cooling 3 Way Valve 3 Way Valve with Ball Valve amp Circuit Setter Air Vent urs gt R 2 pipe or 4 pipe 2 pipe Hydronic Heating only 2 pipe Hydronic Cooling only 2 pipe Hydronic Heating amp Cooling Circuit Setter manual changeover 4 8 no aquastat lockout 3 Way Valve 2 pipe Hydronic cooling with total electric heat 4pipe Hydronic Heating amp Cooling 3 Way Valve with Ball Valves amp Aquastat Air Vent Ball Valve O eR 3D 2 pipe 2 pipe Hydronic Heating amp Cooling manual changeover 2 pipe Hydronic Heating amp Cooling Automatic changeover 3 Way Valve Ball Valve CFM 100 S 12 VC B 0 126 3 4 6 8 10 12 Unit Style VCB Concealed VSB Cabinet slope top VFB Cabinet flat top WCB Recessed wall Vintage Model Number Nomenclature 1R 2B N1 Control Options see below NC No Controls Valve Package See page 6 amp 7 Electric Heat KW Coil Connection R Right Hand L Left Hand Coil Type Unit Voltage 126 120V 1PH 60Hz 246 208 240V 1PH 60Hz 225 220V 1P
3. 98 72 180 119 103 137 103 78 45 160 165 117 77 133 101 59 190 123 84 145 106 64 goo 20 221 183 123 187 161 94 267 192 134 204 167 102 59 133 238 190 106 202 166 288 199 115 220 174 88 6 0 184 251 196 93 212 171 71 303 20 5 10 1 231 178 77 9 89 207 165 11 4 174 144 248 172 124 190 150 95 MED 50 133 220 170 97 185 148 74 264 179 106 202 155 MED 184 229 174 193 152 64 276 183 92 211 158 70 woo 55 59 207 238 111 234 209 85 333 248 121 155 217 93 mem 75 102 310 250 90 259 219 69 370 262 99 282 229 75 a HIGH o5 154 321 258 76 274 225 58 391 270 82 299 235 63 55 59 276 216 104 217 169 79 310 226 113 237 197 86 75 102 288 227 84 240 198 64 238 91 262 207 70 95 154 297 234 70 254 204 53 362 246 76 277 213 5 8 1200 75 107 348 294 104 299 258 426 114 326 269 87 85 137 363 299 95 309 262 73 441 313 104 387 273 79 95 17 0 376 304 88 318 266 67 454 818 96 347 277 73 75 107 358 262 95 274 229 73 390 274 104 298 239 79 85
4. Bearer o 8 Valves Valve Piping Packages Configuration Valve Package Code Standard Coil No Valves Air Vent NV Ball Valves Only Air Vent Ball Valve we BV Ball Valve a S 2 Way Valve Only Air Vent R 2 4 S 2 Way Valve 2 Way Valve with Ball Valves Air Vent Ball Valve cf _ 2B _ 2 Way Valve Basic Application 2 pipe or 4 pipe For field added valve packages 2 pipe or 4 pipe Coil with ball valves for field added valve packages 2 pipe or 4 pipe 2 pipe Hydronic Heating only 2 pipe Hydronic Cooling only 2 pipe Hydronic Heating amp Cooling manual changeover no aquastat lockout 2 pipe Hydronic cooling with total electric heat 4 pipe Hydronic Heating amp Cooling 2 pipe or 4 pipe 2 pipe Hydronic Heating only 2 pipe Hydronic Cooling only 2 pipe Hydronic Heating amp Cooling manual changeover no aquastat lockout 2 pipe Hydronic cooling with total electric heat 4 pipe Hydronic Heating amp Cooling Valve Piping Packages con t Valve Package Configuration Code Basic Application 3 Way Valve Only Air Vent gt 3 2 pipe or 4 pipe 2 pipe Hydronic Heating only 2 pipe Hydronic Cooling only 2 pipe Hydronic Heating amp Cooling manual changeover S no aquastat lockout 3 Way Valve 2 pipe Hydronic cooling with total electric heat 4 pipe Hydronic Heating amp Cooling
5. 207 153 103 158 134 79 225 160 113 172 139 86 MED 5 0 109 220 158 88 168 138 67 240 165 96 183 144 73 60 15 3 229 161 76 175 141 58 250 169 83 191 147 64 1000 90 90 207 232 99 227 205 76 324 242 108 247 213 82 HIGH 70 11 9 310 227 89 237 208 68 338 248 97 258 217 74 m 80 15 3 321 241 80 245 212 61 349 252 87 267 220 67 90 9 0 276 211 92 21 1 185 70 301 220 100 230 19 3 77 MED 7 0 119 288 215 82 220 189 63 314 225 90 240 19 6 68 80 15 3 29 7 219 74 227 192 57 324 229 81 248 200 62 1200 65 104 348 27 6 107 266 243 82 380 287 117 290 252 89 75 13 6 363 281 97 278 247 74 396 29 3 106 302 257 8 1 85 171 37 6 286 88 287 251 68 410 299 96 313 261 74 1030 99 104 320 246 98 244 216 75 349 256 10 7 166 224 82 MED 75 136 333 251 89 254 220 68 363 262 97 178 229 74 85 171 344 255 81 263 223 62 375 266 88 287 232 67 HOT WATER HEATING CAPACITY 3 ROW UNIT HEATING BTUH 1000 UNIT HEATING BTUH 1000 SIZE P D AT ENTERING WATER SIZE P D AT ENTERING WATER api SPM TEMPERATURE ALi CFM GPM us TEMPERATURE MODELS 140 F 160 F 180 MODELS
6. 9 8 74 59 7 5 3 3 0 120 9 8 6 8 65 7 5 59 50 107 74 74 8 2 62 55 zd 19 23 6 5 52 13 1 5 0 46 100 7 1 5 4 142 54 47 109 MED 20 63 8 3 59 83 6 4 5 1 64 9 1 6 1 9 1 6 9 53 69 30 120 9 1 6 1 6 0 6 9 5 3 46 9 9 65 66 7 6 56 50 40 15 39 105 84 140 74 107 114 88 152 87 7 7 11 6 HIGH 22 79 123 90 114 94 79 85 134 95 121 102 83 93 4 30 141 134 95 89 102 83 68 146 99 97 111 86 74 15 39 9 8 73 131 7 5 64 10 0 107 77 143 82 6 7 10 9 MED 22 79 111 78 101 85 68 77 124 82 110 92 71 84 30 141 120 82 80 9 1 61 13 0 86 87 100 74 66 goo 30 65 170 129 114 130 114 87 186 135 124 142 119 95 HIGH 40 113 186 135 93 142 119 71 203 142 101 155 124 77 5 0 174 196 139 79 150 122 60 214 146 86 164 127 66 90 65 147 104 98 112 94 75 161 110 107 123 95 82 MED 40 11 3 158 109 79 121 94 60 172 114 86 132 99 66 5 0 174 165 111 66 126 97 51 180 117 72 138 101 55 goo 40 72 221 169 111 169 149 84 241 177 121 184 155 92 50 10 9 238 17 6 95 182 154 73 260 184 10 4 19 8 16 1 7 9 5 60 15 3 251 180 84 191 158 64 273 189 91 208 165 7 0 eso 40 72
7. Cool Switch on Thermostat Automatic 4 deg Neutral Dead Band for sequenced heating amp cooling DPDT THERMOSTAT ORDER OPTION M1 Unit Mount M2 Wall Mount Unit Tamperproof N1 Unit Mount N2 Wall Mount N3 Unit Tamperproof 3 SPEED FAN SWITCH ONLY no thermostat L1 Unit Mount L2 Wall Mount L3 Unit Tamperproof NOTE 1 B1 option includes factory installed aquastat Catalog No VCBG1106 Replaces VCBG803
8. SENS TEMP TOTAL SENS TEMP TOTAL SENS TEMP MBH MBH RISE MBH MBH RISE MBH MBH RISE MBH MBH RISE 19 18 67 148 57 54 113 63 162 62 55 123 29 65 89 70 99 75 75 108 73 108 82 64 82 139 98 73 72 64 55 118 77 79 90 67 60 240 10 18 65 55 144 55 49 78 58 156 51 120 20 65 83 6 92 70 55 70 100 66 100 76 57 76 139 91 66 67 76 57 51 109 70 72 60 55 19 24 105 t63 ter 99 197 178 29 82 123 96 131 100 84 100 143 100 143 109 87 109 30 168 134 102 98 113 89 75 161 107 107 123 93 82 10 24 98 175 67 63 134 95 74 191 73 65 146 ME 20 82 111 119 91 72 129 129 99 75 99 MED 168 120 88 100 76 67 143 92 96 109 79 73 25 56 170 132 134 128 116 102 182 127 146 129 121 111 95 102 186 141 11 0 147 124 84 21 0 148 120 161 129 92 HIGH 45 160 196 147 92 158 128 226 154 100 173 134 77 25 56 147 107 119 162 2 130 124 97 99 35 102 158 113 94 126
9. 137 370 267 87 283 233 67 403 279 95 243 72 MED 95 170 270 290 226 414 284 87 317 246 67 HOT WATER HEATING CAPACITY 4 ROW UNIT HEATING BTUH 1000 UNIT HEATING BTUH 1000 SIZE P D AT ENTERING WATER SIZE P D AT ENTERING WATER ALL GPM TEMPERATURE C GPM E TEMPERATURE MODELS 140 F 160 F 180 F MODELS 140 F 160 F 180 F 1 5 3 8 158 203 248 B00 3 0 5 4 41 5 53 3 65 2 9 9 16 7 215 263 ich 45 11 0 442 568 69 4 GH 18 5 17 2 221 27 0 6 0 184 456 586 717 m 1 5 3 8 142 182 223 m 3 0 5 4 373 479 486 MED 25 9 9 14 9 19 1 23 4 45 11 0 394 507 61 9 MED 35 18 5 15 2 19 6 24 0 6 0 18 4 406 522 637 40 1 0 2 4 19 9 256 313 UN 6 9 586 753 920 220 8 2 228 293 35 8 89 114 607 780 953 HIGH 168 239 307 376 100 169 620 798 974 320 1 0 24 174 224 274 m 6 0 6 9 535 688 841 29 8 2 19 5 250 306 89 114 553 711 869 3 0 168 202 260 31 8 100 169 564 725 886 2 5 5 6 317 407 498 nog 90 7 0 687 883 1080 High 35 10 2 334 430 525 89 122 714 918 1122 4 5 16 0 344 442 540 100 187 73 1 9
10. 140 F 160 F 180 F 280 1 5 4 0 14 8 19 0 23 3 800 4 0 7 2 40 6 52 3 63 9 25 9 0 15 7 20 2 247 HIGH 5 0 10 9 41 8 53 8 65 7 3 5 15 3 16 2 20 7 25 4 6 0 15 3 42 6 54 8 67 0 1 5 4 0 13 4 17 2 21 0 0 4 0 72 36 5 46 9 57 3 2 5 9 0 14 0 18 0 22 1 MED 5 0 10 9 37 4 48 1 58 8 3 5 15 8 14 4 18 5 22 6 6 0 15 3 38 1 48 9 59 8 460 1 5 3 9 20 4 26 3 32 1 1000 5 0 6 4 54 3 69 8 85 3 HIGH 2 5 10 0 22 0 28 3 34 6 HIGH 6 5 10 4 56 1 72 2 88 2 3 5 18 7 22 8 29 3 35 8 16 8 0 15 3 57 4 73 8 90 2 920 1 5 3 9 177 22 8 27 8 880 5 0 6 4 49 7 63 9 78 1 MED 25 10 0 18 8 24 1 29 5 65 10 4 51 4 66 0 80 7 3 5 18 7 19 3 24 8 30 3 8 0 15 3 52 4 67 4 82 4 600 3 0 6 5 31 1 39 9 48 8 1200 5 5 77 64 4 82 8 101 2 49 11 8 32 2 41 4 50 6 70 12 0 66 5 85 5 104 5 5 0 17 4 32 9 42 3 51 7 8 5 17 1 67 9 87 3 106 8 430 3 0 6 5 247 31 8 38 9 1030 5 5 7 7 58 1 74 8 91 4 49 11 8 25 4 32 6 39 9 MED 70 12 0 59 8 76 9 94 0 5 0 17 4 25 8 33 2 40 6 8 5 174 61 0 78 5 95 9 Note Ratings at 70 F entering air temperature 4 Row Performance Data CHILLED WATER COOLING CAPACITY 4 ROW 45 F ENTERING WATER 42 F ENTERING WATER NIT SE P D 80 F DB 67 F WB 75 F DB 63 F WB 80 F DB 67 F WB 75 F DB 63 F WB au CFM GPM FT ENTERING AIR ENTERING AIR ENTERING AIR ENTERING AIR MODELS TOTAL SENS TEMP TOTAL
11. 36 5 447 E 1 0 5 0 12 8 16 5 20 1 1636 25 71 24 1 31 0 37 9 MES 1 75 13 3 14 1 18 2 22 2 MED 3 5 13 9 25 6 32 9 40 4 MED 55 24 9 14 7 18 9 23 1 MED 21 8 26 4 33 9 41 4 NOTE Ratings at 70 F entering air temperature In keeping with its policy of continuous progress and product improvement First Operations reserves the right to make changes without notice Maintenance for all First Co products is available under Product Maintenance at www firstco com Typical Connection Diagrams 2 Pipe Heat Cool Manual Changeover Continuous Fan T stat option No 2 Pipe Heat Cool Auto Changeover Continuous Fan T stat option No L t Power E b Power Supply T E I ep 000 L 1 3 12 19 d eras ERI wem Y Aquastat aquastat lockout 4 Pipe Heat Cool Auto Changeover Continuous Fan T stat option No 4 Pipe Heat Cool Manual Changeover Continuous Fan T stat option No M CHCIEJ ep n Li Power Ik La Supply eee Power I GRD vx cmm SA dll N Supply I B obl el GRO 4 2
12. 40 1149 255 2 5 5 6 253 325 39 8 1 99 7 0 618 795 972 MED 22 102 263 338 414 89 122 640 823 1003 MED 45 16 0 26 9 346 423 10 0 187 654 841 1028 Note Ratings at 70 F entering air temperature 1 Row Performance Data HOT WATER HEATING CAPACITY 1 ROW UNIT HEATING BTUH 1000 UNIT HEATING BTUH 1000 SIZE P D AT ENTERING WATER SIZE P D AT ENTERING WATER face FM GPM oe TEMPERATURE ALL CFM GPM V TEMPERATURE MODELS 140 160 180 F MODELS 7 140 F 160 F 180 F 580 1 0 3 4 8 2 10 6 12 9 800 1 0 5 7 17 6 22 7 27 7 gem 178 9 3 8 9 11 4 13 9 HIGH 1 5 11 6 19 8 25 4 31 1 25 17 7 9 0 11 6 14 2 8 20 19 2 214 27 1 33 1 dub 1 0 3 4 7 6 9 8 12 0 m 1 0 5 7 16 6 21 4 26 2 MED 1 75 9 3 8 1 10 4 12 8 MED 1 5 11 6 18 5 23 8 29 1 MED 55 17 7 8 3 10 7 13 1 MED 20 19 2 19 6 25 2 30 8 PA 1 0 4 4 11 2 14 4 17 6 1600 2 5 7 3 21 9 28 2 34 4 HIGH 1 75 11 7 12 3 15 8 19 3 HIGH 3 5 12 9 23 2 29 8 36 4 2 5 21 9 12 7 16 3 20 0 10 45 19 7 23 7 30 5 37 3 920 1 0 44 10 1 13 0 15 9 880 2 5 7 8 20 6 26 5 32 4 MED 175 117 10 9 14 1 17 2 MED 3 5 12 9 21 8 28 0 34 2 2 5 21 9 11 3 14 5 17 7 45 19 7 22 4 28 8 35 2 600 1 0 5 0 14 6 18 8 23 0 1200 2 5 7 7 25 8 33 1 40 5 175 13 3 16 6 21 4 26 2 HIGH 3 5 13 9 27 5 35 4 43 2 2 5 24 9 174 22 4 27 4 12 45 21 8 28 4
13. H 50Hz 3 3 row 4 4 row 31 3 row cool 1 row heat 41 4 row cool 1 row heat CONTROL OPTIONS FOR ELECTRIC VALVE PACKAGES 2 Pipe Valve Cycle SYSTEM THERMOSTAT CONTROL CHANGEOVER CONTROL CONTROLS VALVE TYPE and LOCATION Heat Off Cool Constant Fan Hi Med Low Heating and Cooling On Off Constant Fan Hi Med Low On Off Cooling Only Constant Fan Hi Med Low On Off Heating Only Constant Fan Hi Med Low Motorized 2 way or 3 way Normally closed Motorized 3 way Normally closed Motorized 2 way or 3 way Normally closed Motorized 2 way or 3 way Normally closed Motorized 2 way or 3 way Normally closed Manual Hot Cool Switch on Thermostat Automatic 1 Aquastat Factory Mounted on Supply Line Manual Summer Winter Switch switch must be field supplied None THERMOSTAT ORDER OPTION A1 Unit Mount A2 Wall Mount Unit Tamperproof B1 Unit Mount B2 Wall Mount B3 Unit Tamperproof C1 Unit Mount C2 Wall Mount C3 Unit Tamperproof D1 Unit Mount D2 Wall Mount D3 Unit Tamperproof E1 Unit Mount E2 Wall Mount Unit Tamperproof 4 Pipe Valve Cycle SYSTEM THERMOSTAT CONTROL CHANGEOVER CONTROL CONTROLS VALVETYPE and LOCATION Heat Off Cool Constant Fan Heating and Hi Med Low On Off Constant Fan Hi Med Low Cooling Motorized 2 way or 3 way Normally closed Motorized 2 way or 3 way Normally closed Manual Hot
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