York WJ 180, Technical Manual

Page 1: ...tches and freezestats Scroll compressors Two stage heating provided by dual independent heat exchangers with aluminized steel tubes redundant gas valves spark ignition with induced draft logic Permanently lubricated motors Bottom or side air discharge configuration capability field convertible Belt drive blower motor with standard high and low static drive options Constant supply air volume CV wit...

Page 2: ... PERFORMANCE 15 TON HIGH STATIC DRIVE GAS HEAT DOWNFLOW 23 12 WJ240 BLOWER PERFORMANCE 20 TON STANDARD DRIVE COOLING ONLY DOWNFLOW 24 13 WJ240 BLOWER PERFORMANCE 20 TON STANDARD DRIVE GAS HEAT DOWNFLOW 25 14 WJ240 BLOWER PERFORMANCE 20 TON HIGH STATIC DRIVE COOLING ONLY DOWNFLOW 26 15 WJ240 BLOWER PERFORMANCE 20 TON HIGH STATIC DRIVE GAS HEAT DOWNFLOW 27 16 WJ300 BLOWER PERFORMANCE 25 TON STANDARD...

Page 3: ...APS Novar Controller DFS APS Simplicity IntelliComfort Controller Simplicity IntelliComfort Controller w ModLinc York Commercial Comfort System YCCS Rtu Controller 2 Pleated filters 4 Pleated filters BAS Ready Economizer 2 10 V D C Actuator without a controller Double Wall Construction Heat Reclaim Coil 2 Row with 1 5 8 Stub Out Heat Reclaim Coil 2 Row with 2 1 8 Stub Out Heat Reclaim Coil 3 Row w...

Page 4: ...bypass valve is available for low cooling load applications Simplicity Controls Simplicity control boards have standardized a number of features previously available only as options or by utilizing additional controls Low Ambient An integrated low ambient control allows all units to operate in the cooling mode down to 0ºF outdoor ambient without additional assis tance Optionally the control board ...

Page 5: ...tected against excessive current and temperature by fuses and two thermal limit switches The power supply wiring can be routed into the control box through a threaded pipe connection in the base pan of the unit or through a knockout in the wiring panel on the front of the unit BAS Controls York s Magnum series units offer fac tory mounted BAS controls such as Simplicity Intelli Comfort Novar Honey...

Page 6: ... a constant static pressure in the supply duct A pressure transducer and VAV control board are mounted inside the control box The drive comes completely wired and pre programmed from the factory An optional factory installed manual bypass switch available with factory installed VFD can be found in the Blower Motor Access compartment The switch can be used to either route power to the VFD for modul...

Page 7: ... Control YK UNT 1126 building automation system con troller is factory installed Includes supply air sensor return air sensor dirty filter indicator switch and air prov ing switch CPC BAS CONTROL The Computer Process Controls Model 810 3060 ARTC Advanced Rooftop building auto mation system controller is factory installed Includes supply air sensor return air sensor dirty filter indicator switch an...

Page 8: ... provided to convert a natural gas furnace to propane HIGH ALTITUDE PROPANE Burner orifices and pilot orifices are provided for proper furnace operation at alti tudes up to 6 000 feet This accessory supplements the basic propane conversion kit SIDE DUCT FLANGES One inch flanges replace the supply and return air panels on the rear of the unit to accommodate horizontal duct connections These flanges...

Page 9: ...ertification program AHRI Standard 340 360 for merly ARI 340 360 Does Not Include WJ300 Models MODEL MBH EER2 2 EER Energy Efficiency Ratio at full load the cooling capacity in Btu s per hour Btuh divided by the power input in watts expressed in Btuh per watt Btuh watt IPLV3 COOLING ONLY WJ180C00 180 12 3 13 6 WJ240C00 240 11 5 12 3 WJ300C00 300 10 4 11 3 COOLING WITH GAS HEAT WJ180N S 180 12 3 13...

Page 10: ...9 199 171 142 114 193 11 4 192 192 192 164 137 109 57 200 10 3 200 200 200 171 143 114 192 11 4 192 192 192 165 137 109 95 F 105 F 3750 77 203 12 8 87 72 57 42 27 12 195 14 3 77 69 53 38 22 6 72 186 12 6 113 98 83 68 53 38 179 14 1 111 96 80 64 49 33 67 170 12 4 139 124 109 94 79 64 164 13 9 144 122 107 91 75 60 62 155 12 1 155 152 129 114 99 84 151 13 7 148 149 125 109 94 78 4500 77 211 12 9 97 8...

Page 11: ...6 15 3 156 156 144 124 103 82 151 16 8 149 149 139 118 97 76 57 156 15 2 156 156 148 127 106 86 150 16 7 150 150 141 120 99 78 6000 77 204 16 0 130 88 65 42 19 193 17 4 130 90 60 37 14 72 188 15 8 145 122 99 77 54 31 177 17 2 142 118 95 72 49 26 67 172 15 6 160 157 134 111 88 66 162 17 0 153 147 131 108 84 61 62 161 15 4 160 160 156 133 110 87 154 16 8 153 153 151 127 104 81 57 160 15 3 160 160 16...

Page 12: ...15 186 157 238 15 6 236 236 236 207 177 148 57 244 13 9 244 244 244 215 186 157 236 15 3 236 236 236 207 177 148 95 F 105 F 5000 77 270 17 6 105 93 73 54 35 15 255 19 4 103 89 70 50 31 11 72 246 17 3 147 127 108 89 69 50 234 19 1 143 124 104 85 65 46 67 222 17 0 188 162 143 123 104 84 212 18 8 183 158 139 119 100 80 62 206 16 7 205 197 169 149 130 111 195 18 5 192 190 164 144 125 105 6000 77 285 1...

Page 13: ...6 20 7 205 205 196 169 143 116 195 22 5 193 194 190 163 137 110 57 205 19 8 205 205 196 169 143 117 194 21 4 194 194 187 161 134 108 8000 77 280 21 8 176 119 89 59 29 263 23 6 176 117 84 54 24 72 258 21 5 195 165 135 105 76 46 244 23 3 190 160 130 100 70 41 67 236 21 1 213 211 181 152 122 92 225 23 0 204 204 177 147 117 87 62 216 20 8 215 215 214 184 154 124 205 22 7 204 204 205 178 148 118 57 215...

Page 14: ... 286 255 223 191 296 21 9 291 291 282 250 217 185 57 299 19 0 299 299 299 267 235 203 291 21 4 291 291 291 259 227 194 95 F 105 F 6250 77 313 22 2 150 125 101 77 53 28 297 24 4 139 117 92 68 44 20 72 291 21 5 187 163 138 114 90 66 276 23 7 180 155 131 107 83 59 67 268 20 8 200 200 176 151 127 103 256 23 1 220 194 170 146 122 98 62 245 20 5 241 241 214 190 165 141 232 22 6 230 225 199 175 151 127 7...

Page 15: ...1 62 254 29 0 252 249 220 190 161 132 239 31 6 238 233 202 173 143 114 57 252 28 5 252 252 245 215 186 157 238 31 1 238 238 230 201 171 142 8000 77 323 31 3 168 131 101 71 41 11 303 34 0 164 120 90 60 30 72 302 30 5 210 180 150 120 89 59 284 33 2 201 171 141 111 81 51 67 280 29 8 252 229 199 168 138 108 264 32 5 238 222 191 161 131 101 62 253 29 2 252 252 223 193 163 132 238 31 8 238 238 205 175 1...

Page 16: ... the static pressure and BHP Since no temperature data is given we will assume an air temperature of 70 F Table 7 shows the correction factor to be 0 832 Corrected static pressure 1 5 x 0 832 1 248 IWC Corrected BHP 4 0 x 0 832 3 328 Example 2 A system located at 5 000 feet of elevation is to deliver 6 000 CFM at a static pressure of 1 5 Use the unit blower tables to select the blower speed and th...

Page 17: ...262291 YTG F 1009 Johnson Controls Unitary Products 17 FIGURE 2 ALTITUDE TEMPERATURE CONVERSION FACTOR ...

Page 18: ... 98 3011 864 1 36 1 64 1 4 3795 965 1 98 2 38 3239 932 1 63 1 96 1 turn 2 turns 3 turns 4 turns 5 turns 6 turns 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 1 3 8 1 3 8 1 3 8 5 3 5 9 6 5 3 5 9 5 8 6 5 6 4 VP56 VP62 VP65 VP60 VP62 VP65 VP68 VP71 BK67 6 1 0 87 0 97 0 98 BK67 6 1 0 87 0 97 0 95 1 07 1 05 BK75 6 9 0 77 0 86 0 87 BK75 6 9 0 77 0 86 0 84 0 94 0 93 BK80 7 4 0 72 0 80 0 81 BK80 7 4 0 72 0 80 0 78 0 88 0...

Page 19: ... 86 2951 864 1 28 1 54 1 4 3719 965 1 86 2 24 3174 932 1 54 1 84 1 turn 2 turns 3 turns 4 turns 5 turns 6 turns 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 1 3 8 1 3 8 1 3 8 5 3 5 9 6 5 3 5 9 5 8 6 5 6 4 VP56 VP62 VP65 VP60 VP62 VP65 VP68 VP71 BK67 6 1 0 87 0 97 0 98 BK67 6 1 0 87 0 97 0 95 1 07 1 05 BK75 6 9 0 77 0 86 0 87 BK75 6 9 0 77 0 86 0 84 0 94 0 93 BK80 7 4 0 72 0 80 0 81 BK80 7 4 0 72 0 80 0 78 0 88 0...

Page 20: ... 928 2 58 3 10 1 0 6506 1126 4 56 5 56 6208 1087 4 15 4 98 5898 1047 3 60 4 32 5460 1009 3 10 3 72 5064 969 2 67 3 21 4665 929 2 30 2 76 1 2 6225 1127 4 31 5 25 5825 1088 3 83 4 60 5495 1048 3 32 3 98 5076 1010 2 83 3 40 4559 969 2 40 2 88 4120 930 2 02 2 42 1 4 5812 1128 4 01 4 81 5476 1089 3 53 4 23 5074 1049 3 06 3 68 4589 1010 2 56 3 07 3944 970 2 05 2 46 3348 932 1 70 2 05 1 6 5441 1130 3 72 ...

Page 21: ... 928 2 43 2 91 1 0 6376 1126 4 29 5 23 6084 1087 3 90 4 68 5780 1047 3 38 4 06 5351 1009 2 91 3 50 4963 969 2 51 3 01 4572 929 2 16 2 59 1 2 6101 1127 4 05 4 86 5709 1088 3 60 4 32 5385 1048 3 12 3 75 4974 1010 2 66 3 20 4468 969 2 25 2 71 4038 930 1 90 2 28 1 4 5696 1128 3 77 4 52 5366 1089 3 32 3 98 4973 1049 2 88 3 46 4497 1010 2 40 2 88 3865 970 1 93 2 31 3281 932 1 60 1 92 1 6 5332 1130 3 49 ...

Page 22: ...6 19 7226 953 4 73 5 77 6793 920 4 04 4 84 6330 888 3 65 4 38 6009 856 3 26 3 91 1 2 7541 1019 5 33 6 50 7119 987 4 76 5 81 6744 954 4 11 4 93 6266 921 3 72 4 46 5800 889 3 39 4 07 5447 856 2 86 3 43 1 4 7086 1020 5 04 6 16 6653 988 4 27 5 21 6200 955 3 70 4 44 5743 922 3 34 4 01 5189 890 3 00 3 60 4762 858 2 59 3 11 1 6 6571 1022 4 83 5 89 6128 989 3 93 4 72 5650 956 3 30 3 96 5108 923 3 15 3 79 ...

Page 23: ...1 953 4 44 5 42 6657 920 3 79 4 55 6203 888 3 43 4 12 5889 856 3 06 3 68 1 2 7390 1019 5 01 6 11 6977 987 4 48 5 46 6609 954 3 86 4 63 6141 921 3 50 4 20 5684 889 3 19 3 82 5338 856 2 69 3 23 1 4 6944 1020 4 74 5 79 6520 988 4 01 4 82 6076 955 3 48 4 17 5628 922 3 14 3 77 5085 890 2 82 3 39 4667 858 2 43 2 92 1 6 6440 1022 4 54 5 54 6005 989 3 69 4 43 5537 956 3 10 3 72 5006 923 2 96 3 56 4406 891...

Page 24: ...905 972 4 61 5 62 6476 937 3 89 4 67 1 4 8501 1112 7 22 8 80 7846 1077 6 21 7 57 7430 1042 5 51 6 73 6879 1007 4 77 5 82 6499 972 4 14 4 97 5970 937 3 67 4 40 1 6 7900 1113 6 61 8 06 7388 1079 5 85 7 14 6933 1043 5 04 6 15 6490 1008 4 50 5 49 5928 974 3 81 4 57 5464 938 3 47 4 17 1 8 7487 1115 6 39 7 80 6900 1080 5 26 6 42 6403 1045 4 77 5 82 5905 1110 4 10 4 92 5358 975 3 48 4 18 4722 940 2 83 3 ...

Page 25: ...767 972 4 33 5 28 6346 937 3 66 4 39 1 4 8331 1112 6 78 8 28 7689 1077 5 83 7 12 7281 1042 5 18 6 32 6741 1007 4 48 5 47 6369 972 3 89 4 67 5851 937 3 45 4 14 1 6 7742 1113 6 21 7 58 7240 1079 5 50 6 71 6794 1043 4 74 5 78 6360 1008 4 23 5 16 5809 974 3 58 4 30 5355 938 3 26 3 92 1 8 7337 1115 6 01 7 33 6762 1080 4 95 6 04 6275 1045 4 48 5 47 5787 1110 3 85 4 63 5251 975 3 27 3 93 4628 940 2 66 3 ...

Page 26: ... 6 96 8 50 8547 1002 6 16 7 52 8106 966 5 49 6 70 7556 931 4 82 5 89 1 2 9654 1107 8 46 10 32 9171 1073 7 48 9 13 8663 1039 6 69 8 16 8152 1003 5 86 7 15 7671 966 5 15 6 29 7063 932 4 44 5 42 1 4 9295 1108 8 13 9 92 8768 1074 7 15 8 72 8245 1039 6 28 7 66 7715 1004 5 50 6 71 7180 966 4 80 5 86 6433 933 4 01 4 90 1 6 8941 1109 7 65 9 33 8366 1075 6 73 8 22 7775 1039 5 84 7 13 7262 1005 5 18 6 32 66...

Page 27: ... 54 7 99 8376 1002 5 79 7 07 7944 966 5 16 6 30 7405 931 4 53 5 53 1 2 9461 1107 7 95 9 70 8988 1073 7 03 8 58 8490 1039 6 29 7 67 7989 1003 5 51 6 72 7518 966 4 84 5 91 6922 932 4 18 5 10 1 4 9109 1108 7 64 9 32 8593 1074 6 72 8 20 8080 1039 5 90 7 20 7561 1004 5 17 6 31 7036 966 4 51 5 51 6304 933 3 77 4 60 1 6 8762 1109 7 19 8 77 8199 1075 6 33 7 72 7620 1039 5 49 6 70 7117 1005 4 87 5 94 6512 ...

Page 28: ...78 7 52 9 18 8660 1043 6 66 8 12 1 4 10721 1219 11 15 13 60 10285 1184 10 10 12 32 9768 1149 9 05 11 04 9227 1114 8 02 9 79 8791 1079 7 21 8 80 8229 1044 6 21 7 58 1 6 10399 1220 10 80 13 18 9957 1185 9 76 11 91 9414 1150 8 61 10 51 8841 1115 7 57 9 24 8375 1080 6 80 8 29 7792 1044 5 92 7 22 1 8 10061 1222 10 35 12 62 9624 1186 9 36 11 42 9044 1152 8 12 9 90 8424 1116 7 05 8 61 7947 1081 6 37 7 77...

Page 29: ... 7 07 8 63 8487 1043 6 26 7 63 1 4 10507 1219 10 48 12 79 10079 1184 9 49 11 58 9573 1149 8 51 10 38 9042 1114 7 54 9 20 8615 1079 6 78 8 27 8064 1044 5 84 7 12 1 6 10191 1220 10 15 12 39 9758 1185 9 18 11 20 9226 1150 8 09 9 88 8664 1115 7 12 8 68 8208 1080 6 39 7 80 7636 1044 5 56 6 79 1 8 9860 1222 9 72 11 87 9432 1186 8 80 10 74 8863 1152 7 63 9 31 8256 1116 6 63 8 09 7788 1081 5 98 7 30 7121 ...

Page 30: ... are located in the moving air upstream of any heating device 2 Do NOT close this pulley below 1 turn open TABLE 21 STATIC RESISTANCES1 DESCRIPTION RESISTANCE IWG CFM 15 TON 20 TON 25 TON 4500 6000 7500 6000 8000 9000 7500 8000 9300 WET INDOOR COIL 0 1 0 1 0 1 0 1 0 1 0 2 0 1 0 1 0 2 RECLAIM COIL OPTIONS 2 ROW 0 1 0 2 0 2 0 2 0 3 0 3 0 2 0 3 0 3 3 ROW 0 2 0 3 0 4 0 3 0 4 0 5 0 4 0 4 0 5 ELECTRIC H...

Page 31: ... 10 9 100 1 2 8 2 0 0 None 0 0 37 5 45 E18 18 0 1 21 7 37 5 45 E36 36 0 2 43 3 64 4 70 E54 54 0 2 65 0 75 2 90 E72 72 0 2 86 6 96 9 110 575 8 3 78 0 9 6 6 0 0 None 0 0 28 9 35 E18 18 0 1 17 3 29 9 35 E36 36 0 2 34 6 51 6 60 E54 54 0 2 52 0 60 2 70 E72 72 0 2 69 3 77 5 90 240 20 208 30 1 225 2 4 24 2 0 0 None 0 0 101 5 125 E18 13 5 1 37 5 101 5 125 E36 27 0 2 74 9 123 9 125 E54 40 6 2 112 7 171 1 1...

Page 32: ... 230 42 3 245 2 4 38 6 0 0 None 143 4 175 E18 18 0 1 43 3 143 4 175 E36 36 0 2 86 6 156 5 175 E54 54 0 2 129 9 178 2 200 E72 72 0 2 173 2 221 5 250 460 17 6 125 0 9 19 3 0 0 None 62 9 80 E18 18 0 1 21 7 62 9 80 E36 36 0 2 43 3 78 3 80 E54 54 0 2 65 0 89 1 100 E72 72 0 2 86 6 110 7 125 575 14 5 100 0 6 16 2 0 0 None 51 7 60 E18 18 0 1 17 3 51 7 60 E36 36 0 2 34 6 63 6 70 E54 54 0 2 52 0 72 2 80 E72...

Page 33: ...25 460 10 9 100 1 2 10 0 0 0 None 0 0 39 3 50 E18 18 0 1 21 7 39 6 50 E36 36 0 2 43 3 66 6 70 E54 54 0 2 65 0 77 5 90 E72 72 0 2 86 6 99 1 110 575 8 3 78 0 9 7 5 0 0 None 0 0 29 8 35 E18 18 0 1 17 3 31 0 35 E36 36 0 2 34 6 52 7 60 E54 54 0 2 52 0 61 3 70 E72 72 0 2 69 3 78 7 90 240 20 208 30 1 225 2 4 24 2 0 0 None 0 0 101 5 125 E18 13 5 1 37 5 101 5 125 E36 27 0 2 74 9 123 9 125 E54 40 6 2 112 7 ...

Page 34: ...4 225 230 42 3 245 2 4 38 6 0 0 None 143 4 175 E18 18 0 1 43 3 143 4 175 E36 36 0 2 86 6 156 5 175 E54 54 0 2 129 9 178 2 200 E72 72 0 2 173 2 221 5 250 460 17 6 125 0 9 19 3 0 0 None 62 9 80 E18 18 0 1 21 7 62 9 80 E36 36 0 2 43 3 78 3 80 E54 54 0 2 65 0 89 1 100 E72 72 0 2 86 6 110 7 125 575 14 5 100 0 6 16 2 0 0 None 51 7 60 E18 18 0 1 17 3 51 7 60 E36 36 0 2 34 6 63 6 70 E54 54 0 2 52 0 72 2 8...

Page 35: ... 1 80 0 6 7 5 0 0 None 0 0 37 1 45 E18 18 0 1 17 3 37 1 45 E36 36 0 2 34 6 52 7 60 E54 54 0 2 52 0 61 3 70 E72 72 0 2 69 3 78 7 90 300 25 208 42 3 245 2 4 20 0 0 0 None 0 0 124 8 150 E18 13 5 1 37 5 124 8 150 E36 27 0 2 75 1 124 8 150 E54 40 6 2 112 6 165 9 175 E72 54 1 2 150 1 175 2 200 230 42 3 245 2 4 20 0 0 0 None 0 0 124 8 150 E18 18 0 1 43 3 124 8 150 E36 36 0 2 86 6 133 3 150 E54 54 0 2 129...

Page 36: ...0 10 9 100 1 1 8 2 5 0 None 0 0 42 5 50 E18 18 0 1 21 7 43 6 50 E36 36 0 2 43 3 70 6 80 E54 54 0 2 65 0 81 5 90 E72 72 0 2 86 6 103 1 110 575 8 3 78 0 9 6 6 4 0 None 0 0 32 9 40 E18 18 0 1 17 3 34 9 40 E36 36 0 2 34 6 56 6 60 E54 54 0 2 52 0 65 2 70 E72 72 0 2 69 3 82 5 90 240 20 208 30 1 225 2 4 24 2 10 0 None 0 0 111 5 125 E18 13 5 1 37 5 111 5 125 E36 27 0 2 74 9 136 4 150 E54 40 6 2 112 7 183 ...

Page 37: ...230 42 3 245 2 4 38 6 10 0 None 153 4 175 E18 18 0 1 43 3 153 4 175 E36 36 0 2 86 6 169 0 175 E54 54 0 2 129 9 190 7 225 E72 72 0 2 173 2 234 0 250 460 17 6 125 0 9 19 3 5 0 None 67 9 80 E18 18 0 1 21 7 67 9 80 E36 36 0 2 43 3 84 5 90 E54 54 0 2 65 0 95 3 110 E72 72 0 2 86 6 117 0 125 575 14 5 100 0 6 16 2 4 0 None 55 7 70 E18 18 0 1 17 3 55 7 70 E36 36 0 2 34 6 68 6 70 E54 54 0 2 52 0 77 2 90 E72...

Page 38: ... 460 10 9 100 1 2 10 0 5 0 None 0 0 44 3 50 E18 18 0 1 21 7 45 8 50 E36 36 0 2 43 3 72 9 80 E54 54 0 2 65 0 83 7 90 E72 72 0 2 86 6 105 4 110 575 8 3 78 0 9 7 5 4 0 None 0 0 33 8 40 E18 18 0 1 17 3 36 0 40 E36 36 0 2 34 6 57 7 60 E54 54 0 2 52 0 66 3 70 E72 72 0 2 69 3 83 7 90 240 20 208 30 1 225 2 4 24 2 10 0 None 0 0 111 5 125 E18 13 5 1 37 5 111 5 125 E36 27 0 2 74 9 136 4 150 E54 40 6 2 112 7 ...

Page 39: ... 225 230 42 3 245 2 4 38 6 10 0 None 153 4 175 E18 18 0 1 43 3 153 4 175 E36 36 0 2 86 6 169 0 175 E54 54 0 2 129 9 190 7 225 E72 72 0 2 173 2 234 0 250 460 17 6 125 0 9 19 3 5 0 None 67 9 80 E18 18 0 1 21 7 67 9 80 E36 36 0 2 43 3 84 5 90 E54 54 0 2 65 0 95 3 110 E72 72 0 2 86 6 117 0 125 575 14 5 100 0 6 16 2 4 0 None 55 7 70 E18 18 0 1 17 3 55 7 70 E36 36 0 2 34 6 68 6 70 E54 54 0 2 52 0 77 2 9...

Page 40: ...2 1 80 0 6 7 5 4 0 None 0 0 41 1 50 E18 18 0 1 17 3 41 1 50 E36 36 0 2 34 6 57 7 60 E54 54 0 2 52 0 66 3 70 E72 72 0 2 69 3 83 7 90 300 25 208 42 3 245 2 4 20 0 10 0 None 0 0 134 8 175 E18 13 5 1 37 5 134 8 175 E36 27 0 2 75 1 134 8 175 E54 40 6 2 112 6 178 4 200 E72 54 1 2 150 1 187 7 200 230 42 3 245 2 4 20 0 10 0 None 0 0 134 8 175 E18 18 0 1 43 3 134 8 175 E36 36 0 2 86 6 145 8 175 E54 54 0 2 ...

Page 41: ...E AREA Sq Ft 17 2 COMPRESSOR QTY PER UNIT SCROLL 2 FILTERS QUANTITY PER UNIT 16 X 25 X 2 4 QUANTITY PER UNIT 16 X 20 X 2 4 TOTAL FACE AREA Sq Ft 20 CHARGE REFRIGERANT 22 Lb Oz SYSTEM No 1 22 8 25 8 25 4 SYSTEM No 2 22 8 25 8 25 4 OPERATING WEIGHTS LBS BASIC UNIT COOLING ONLY 2290 2590 2690 GAS ELECTRIC N24 2490 2790 2890 N32 2530 2830 2930 OPTIONS RECLAIM COIL 2 ROW 75 3 ROW 100 DOUBLE WALL 260 EC...

Page 42: ...he unit control box 3Second stage heating is not required on units with a single stage electric heater 4Terminals A1 and A2 provide a relay output to close the outdoor economizer dampers when the thermostat switches to the set back position NOTE Fans switch must be in ON position for minimum ventilation during heater operation LINE VOLTAGE TERMINAL BLOCK 2TB IN CONTROL BOX GROUND LUG Refer to the ...

Page 43: ...ing BLOWER COMPARTMENT RECLAIM COIL CONNECTION ACCESS C GAS SUPPLY ENTRY CONTROL BOX ACCESS VENT AIR OUTLET HOODS BLOWER MOTOR ACCESS Location of Optional VFD Bypass BLOWER ACCESS Location of Optional VFD 52 5 8 180 19 32 COMPRESSOR ACCESS See detail X DISCONNECT SWITCH LOCATION ECONOMIZER MOTORIZED DAMPER FIXED OUTDOOR INTAKE AIR AND POWER EXHAUST RAIN HOODS See detail Y 92 46 5 8 35 1 4 33 2 3 4...

Page 44: ...wer exhaust option The covering consists of a heavy black paper composition 3 Replace the side supply and return air compartment panels For side duct applications 1 Replace the side panels on the supply and return air compartments with the side duct flange accessory kit panels 2 Connect ductwork to the flanges on those panels SUPPLY AIR RETURN AIR OUTDOOR AIR 5 1 8 18 5 8 27 3 4 39 5 8 40 1 2 OUTD...

Page 45: ...CLEARANCES LOCATION CLEARANCE Front 36 Rear 24 Less Economizer 49 With Economizer Left Side Filter Access 24 Less Economizer 36 With Economizer 3 Right Side Cond Coil 36 Below Unit1 1 Units may be installed on combustible floors made from wood or class A B or C roof covering material 0 Above Unit2 2 Units must be installed outdoors Overhanging structures or shrubs should not obstruct condenser air...

Page 46: ...ts FIGURE 7 UNIT CENTER OF GRAVITY 92 45 15 TON 46 20 25 TON CONDENSER COIL END APPROXIMATE CENTER OF GRAVITY BACK FRONT 136 25 47 5 15 20 25 TON FIGURE 8 TYPICAL UNIT APPLICATIONS ROOF JACK INSTALLATION ROOF CURB INSTALLATION SLAB ON GROUND INSTALLATION ...

Page 47: ...74 886 925 495 WJ240 Gas 3080 537 1003 1003 537 WJ300 Gas 3180 554 1036 1036 554 WJ180 Elec 2580 440 822 859 460 WJ240 Elec 2880 502 938 938 502 WJ300 Elec 2980 519 971 971 519 Unit Size Total Shipping Weight 6 Point Loads lbs A B C D E F WJ180 Gas 2780 316 330 473 617 590 453 WJ240 Gas 3080 358 358 513 669 669 513 WJ300 Gas 3180 370 370 530 690 690 530 WJ180 Elec 2580 293 306 439 572 548 421 WJ24...

Page 48: ...all dimension of the ducts allows duct work penetration between roof joists that are spaced on 72 centers Note Ducts can be installed into the curb from the roof All electrical and gas line connections can be made inside the curb FIGURE 10 UNIT ROOF CURB DIMENSIONS 25 1 4 FIGURE 11 ROOF CURB DUCT OPENINGS DIMENSION FIGURE 12 CUT AWAY OF ROOF CURB ...

Page 49: ... BLOCK TERMINALS ON A LIMITED NUMBER OF THERMOSTATS 3 1 2 4 3 1 2 4 Second stage heating not required on single stage heating units Second stage cooling not required on single stage cooling units Jumper is required if there is no Smoke Detector circuit Jumper is required for any combination of R RC or RH 6 5 5 6 OCC is an output from the thermostat to indicate the Occupied condition X is an input ...

Page 50: ...le duct connections for down discharge supply return or horizontal discharge supply return and be available with factory installed options or field installed accessories The units shall be factory wired piped charged with R 22 refrigerant and factory tested prior to ship ment All unit wiring shall be both numbered and color coded All units shall be manufactured in a facility certified to ISO 9001 ...

Page 51: ... resetable circuit breaker on the 24 volt transformer side b Unit shall incorporate a lockout circuit which pro vides reset capability at the space thermostat or base unit should any of the following standard safety devices trip and shut off compressor c Loss of charge Low pressure switch 1 High pressure switch 2 Freeze protection thermostat evaporator coil If any of the above safety devices trip ...

Page 52: ...ovided Simultaneous economizer com pressor operation is also possible Dampers shall fully close on power loss BAS READY ECONOMIZER Outdoor and return air dampers that are interlocked and positioned by a fully modulating spring return damper actuator The maxi mum leakage rate for the outdoor air intake dampers shall not exceed 2 when dampers are fully closed and operating against a pressure differe...

Page 53: ...e for assem bling ANTI RECYCLE TIMER Assures 5 minute off time between compressor cycles LOW AMBIENT KIT Provides unit cooling operation down to 0 F COIL GUARD KIT Guard for cooling coil OTHER FACTORY INSTALLED OPTIONS HEAT RECLAIM COIL Available as 2 row or 3 row coil with either 1 5 8 or 2 1 8 header stub outs for field con nection POWER EXHAUST OPTION To work in conjunction with economizers STA...

Page 54: ...262291 YTG F 1009 54 Johnson Controls Unitary Products ...

Page 55: ...262291 YTG F 1009 Johnson Controls Unitary Products 55 ...

Page 56: ... change without notice Printed in U S A 262291 YTG F 1009 Copyright 2009 by Johnson Controls Inc All rights reserved Supersedes 262291 YTG E 1008 Johnson Controls Unitary Products 5005 York Drive Norman OK 73069 ...