Nordyne MS3BC042KA Installation Instructions Manual Download Page 1 | Manualshive

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Summary of Contents for MS3BC042KA

Page 1: ... the thermostat fan switch to AUTO See Figure 1 2 Set the thermostat temperature to the desired temperature level using the tem perature selector Please refer to the sepa rate detailed thermostat user s manual for complete instructions regarding thermo stat programming The outdoor unit and indoor blower will both cycle on and off to maintain the indoor temperature at the desired cooling level To O...

Page 2: ...arge ad equate to operate the outdoor section with an indoor matching coil or air handler and 15 feet of refrigeration line NOTE DO NOT USE ANY PORTION OF THE CHARGE FOR PURGING OR LEAKTESTING Matching coils and air handlers are shipped with a small pressurized holding charge to pressur ize them to keep out contaminants To release the pressure read the indoor section installa tion instructions car...

Page 3: ...be designed with adequate safety factor to support the weight of the equipment and for loads subjected to the mount during operation Installed equipment should be adequately se cured to the cantilever mount and levelled prior to operation of the equipment Roof Mount The method of mounting should be designed so as not to overload roof struc tures nor transmit noise to the interior of the structure ...

Page 4: ...installation instructions provided with the equipment Op tional Equipment e g liquid line solenoid valves hard start kits low suction pressure cutout switch kit high pressure cutout switch kit refrig erant compressor crankcase heater etc should be installed in strict accordance with the manufacturer s installation instructions 8 STARTUP AND CHECKOUT WARNING Wiring Diagram Schematic A wiring dia gr...

Page 5: ...wer and verify that it is cooler than ambient temperature Listen for any unusual noises If present locate and determine the source of the noise and correct as necessary Short Cycle Protection Select models only With the system operating in COOL ING mode note the setpoint temperature set ting of the thermostat and gradually raise the setpoint temperature until the outdoor unit and indoor blower de ...

Page 6: ... attempt to install and or service this equipment Failure to comply with this warning could result in equipment damage personal injury or death NOTE The following Refrigerant Charging Charts are applicable to matched assemblies of our equipment and at listed airflows for the indoor coil Assemblies of indoor coils and outdoor units not listed are not recommended and deviations from rated airflows o...

Page 7: ...196 180 209 169 222 160 87 211 180 224 170 237 161 89 227 180 239 171 91 229 190 242 180 255 171 93 244 189 257 180 95 260 189 97 2 1 2 OUTDOOR TEMPERATURE F TON 70 75 80 85 90 95 100 105 Sue Press Liq Press Dis Temp _iq Press is Tem_ Liq Press _is Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Temp Liq Press Dis Tern Jq Press is Tem_ 69 144 133 71 145 145 157 138 73 147 156 159 148 171 ...

Page 8: ...172 160 185 154 198 150 75 157 189 174 170 188 163 201 158 213 155 77 175 188 190 175 204 166 217 162 79 192 188 206 177 221 169 233 165 81 208 189 223 179 237 172 83 225 190 239 182 253 175 85 242 192 256 184 87 244 202 258 194 272 187 89 260 203 275 196 91 277 205 93 5 OUTDOOR TEMPERATURE F TON 70 75 80 85 90 95 100 105 Suc Press Jq Press is Tem F Uq Press 3is Ten Liq Press is Tem_ Liq Press Dis...

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