Armstrong Air BCE3M 18, Installation Instructions Manual

Page 1: ...Condensate Drain 7 Duct Systems and Filters 8 Connecting Refrigerant Lines 9 Sealing the Unit 9 Electrical Connections 10 Airflow Cooling Blower Speed 12 Check Out Procedures 13 Operation13 Maintenan...

Page 2: ...9 12 1 4 311 18 7 8 479 5 3 4 146 16 7 8 429 17 3 4 451 17 432 19 7 8 505 20 3 4 527 19 3 8 492 5 1 2 140 43 1092 18 1 2 470 22 559 6 152 16 406 5 1 2 140 13 1 2 343 17 3 4 451 17 432 16 1 2 419 20 3...

Page 3: ...space routing requirements for refrigerant line condensate disposal filters duct system wiring and accessibility for service Refer to the air handler rating plate on the air handler for specific infor...

Page 4: ...s are provided for electrical wiring entrance For ease in installation it is best to make any necessary coil configuration changes before setting air handler in place For all performance testing units...

Page 5: ...ntal configuration is shown in Figure 3 5 If the unit is suspended the entire length of the cabinet must be supported If you use a chain or strap use a piece of angle iron or sheet metal attached to t...

Page 6: ...ugged Remove the plugs from the front drain pan ports 5 Re install modified coil drain pan assembly in air handler in the same orientation as before Figures 6 and 7 Figure 6 Install Main Drain Pan Mou...

Page 7: ...ure 9 On units of this type where the blower draws rather than blows air through the coil traps must be installed in the condensate drain lines primary and auxiliary if used Traps prevent the blower f...

Page 8: ...he drain pan to allow complete drainage of the pan NOTE Horizontal runs must have an anti siphon air vent standpipe installed ahead of the horizontal run See Figure 9 An extremely long horizontal run...

Page 9: ...oid damaging the rubber grommets in the cabinet while brazing slide the rubber grommets over the refrigerant lines until they are away from the heat source 5 Braze using an alloy of silver or copper a...

Page 10: ...t all power supplies 2 Remove the air handler access panel 3 Route the field supply wires to the air handler electrical connection box 4 Use UL listed wire nuts to connect the field supply conductors...

Page 11: ...Page 11 of 18 Issue 1324 507120 01 Figure 12 Low Voltage Connections 3 Speed PSC Motor...

Page 12: ...rom the 4 pin blower motor connector NOTE Reuse the factory installed plastic cap on whichever wire is not used 6 Replace all panels 7 Reconnect power CHANGE BLOWER SPEED NOTE Refer to wiring diagram...

Page 13: ...elay coil and then the indoor blower relay energizes The normally open contacts close causing the indoor blower motor to operate The circuit between R and Y is completed closing the circuit to the con...

Page 14: ...emperature of the cabinet The temperature humidity difference between the inside and outside of the cabinet can cause condensation on the inside or outside of the cabinet which leads to sheet metal co...

Page 15: ...Page 15 of 18 Issue 1324 507120 01 Start Up and Performance Checklist Horizontal Configuration Figure 14...

Page 16: ...Issue 1324 507120 01 Page 16 of 18 Figure 15 Start Up and Performance Checklist Upflow Configuration...

Page 17: ...rnish the following information a complete model and serial number b proof of required periodic maintenance installation date and location and c an accurate description of the problem WARRANTY LIMITAT...

Page 18: ...odification change or alteration of the unit except as expressly directed in writing by Allied Air 4 Improper use accident neglect or unreasonable use or operation of the unit including operation of e...