BAC PFi Series, Rigging & Assembly Instructions

Page 1: ...RIGGING ASSEMBLY INSTRUCTIONS Counterflow Induced Draft Coil Products PFi PCC...

Page 2: ...ned in this manual contact your local BAC Representative for guidance Be sure to have a copy of the submittal drawings available for reference If you do not have a copy of these drawings or if you nee...

Page 3: ...Bottom Water Outlet 15 PCD Hood Assembly PFi Only 17 Discharge Sound Attenuation PFi Only 18 Fan Cowl Extensions 18 Motor Removal Davit 19 Inclined Access Ladder 22 Mechanical Access Platform 24 Mecha...

Page 4: ...The following parts should be inspected Sheaves and Belts Bearings Bearing Supports Fan Motor s Fan Guard s Fan s and Fan Shaft s Float Valve Assembly s Water Distribution System Coil Surface Cold Wat...

Page 5: ...l BAC Representative for recommended cold weather operation strategies Location All evaporative cooling equipment must be located to ensure an adequate supply of fresh air to the fans When units are l...

Page 6: ...ximum permissible lift point width W should be no more than 1 of listed value All standard single cell PFi and PCC products including models with the optional heavy gauge coil are designed to be lifte...

Page 7: ...ing and Mechanical Figure 3 Lower Section Two Piece Lift H H W WARNING Do not lift the mechanical top section attached to the coil casing section from the mechanical section lifting ears Lift both sec...

Page 8: ...gnment pins and drift pins to align the coil casing section and lower section holes 11 Fasten the hardware between the coil casing and lower section per Figure 6 12 Position the hose connecting the se...

Page 9: ...ing section and lower section holes 11 Fasten the hardware between the coil casing section and the lower section per Figure 6 on page 6 12 Ensure that moisture and dirt has been wiped from the perimet...

Page 10: ...re provided 5 Position the lower section on the unit support and bolt into place 6 Follow steps 6 11 on page 7 7 The motor for containerized units ships loose Attach the motor to the fan section per M...

Page 11: ...tion and then properly positioned next to the previous cell Ensure spacing between the cells at the bottom flange is 3 on Face A B 5 on Face C C 3 PCC quad cell units come with air bypass panel window...

Page 12: ...draw Cell 2 tight against the flume box ensuring that the spacing between the cells at the bottom basin flange is 3 on Face A B 5 on Face C C 6 As illustrated in Figure 13 insert 3 8 x 1 1 4 thread cu...

Page 13: ...igure 16c Step 3 Lower Baffle Side Baffle 1 4 Screw Positive Closure Plate Installation Figure 15 The optional positive closure plate and gasket can be furnished on multi cell units to allow individua...

Page 14: ...n proper alignment during installation 2 Lift the external motor assembly into position next to the access door 3 Attach the assembly to the unit using the six studs flatwashers lock washers and nuts...

Page 15: ...ght limitations on specific truck shipments One Piece Fan Guard Mount the fan guard to the unit as illustrated in Figure 19 Detail A DANGER Fan guard must be securely in place before the unit is place...

Page 16: ...iameter of the supplied fan 2 Gradually tighten both nuts of the U bolt assembly alternating from one to the other until 20 25 ft lb of torque is achieved 3 Mount the fan guard to the unit as illustra...

Page 17: ...shown in Figure 22 2 Apply foam tape BAC part 270567 to the bottom edge of the PCD hood Lower the PCD hood into position by aligning the bolt holes on the PCD hood with the pre existing bolt holes on...

Page 18: ...bolt holes on the bracket mounts as shown in Figure 24 Be sure to follow the minimum height restrictions H found in Table 3 between the top of the PCD Hood and the apex of the crane cables supporting...

Page 19: ...low the minimum height restrictions H found in Table 4 between the top of the discharge sound attenuation and the apex of the crane cables supporting the load 3 Secure the attenuator using the bolts p...

Page 20: ...er plate from the upper support channel 2 Rotate the davit assembly to align the bolt head on the davit with the keyway in the upper support channel and lower into position The davit must pass through...

Page 21: ...e 30 Detail A PFi PCC 0412 LA7 LAR LA4 See Figure 31 Detail A PFi 0709 0718 LA4 See Figure 32 Detail A PFi 1012 1024 2012 1212 1224 2412 2424 1218 1236 2418 2436 LA7 LA8 LA4 See Figure 33 Detail A wit...

Page 22: ...ss Ladder PFi PCC 0406 Figure 31 Inclined Access Ladder PFi PCC 0412 Detail A Detail B Detail C Detail A Detail B LAR LA7 LA7 LB1 LAR LA4 LAT PDC PDB LAQ PDC PDB LA9 LAB LA8 LAB LAC LA7 LAR LAR LA4 LA...

Page 23: ...Detail C Figure 32 Inclined Access Ladder PFi 0709 0718 Figure 33 Inclined Access Ladder PFi 1012 1024 2012 1212 1224 2412 2424 1218 1236 2418 2436 Detail A Detail B Detail C Detail D LA4 PDC PDB PDC...

Page 24: ...1 2 tall and up to four fan cowl extensions may be installed 1 Lift the platform module s into place and secure to the unit at the locations indicated in Figures 34 to 38 Details A and B using the 3...

Page 25: ...Fi PCC 1236 one fan 2418 one fan 2436 one fan and PCC 1220 1240 2420 2440 Figure 37 Mechanical Access Platform PFi PCC 1218 two fan 2418 two fan Detail B Detail A Detail C Detail E Detail G Detail D 2...

Page 26: ...ccess platform spans two cells See Figure 38 Details A to D for the bridging components 3 Secure the toe board PGP using the 5 16 self tapping screws provided See Detail D 4 Secure the grating bridge...

Page 27: ...flares to the platform railing posts using the 5 16 x 3 1 3 bolts provided See Figure 39 Detail A 3 Install the mid and lower ladder supports per Figure 39 Detail C as follows Secure the standoff cha...

Page 28: ...40 Detail A 3 Install the mid and lower ladder supports per Figure 40 Detail C as follows Loosely assemble the support channels PHE PHF PHG and PHD using the 3 8 x 1 1 4 bolts provided and then loosel...

Page 29: ...for your particular unit 1 For 18 long platforms first secure the bolt plates PHN to the factory installed brackets on the casing frame using the 5 16 self tapping screws provided See Figures 43 and 4...

Page 30: ...on the casing frame For 18 long units use the 5 16 hardware provided to secure the platform frame to the center supports See Figures 43 and 44 Detail G For all units use the 1 2 x 1 1 4 bolts provided...

Page 31: ...ations using the adapter brackets PHM See Figures 43 and 44 Detail E Optional Accessory Installation Fill Access Platform Detail C Figure 43 Fill Access Platform with Side Ladder PFi 0718 1218 2418 PH...

Page 32: ...ing the 3 8 x 2 1 2 bolts provided See Figures 41 and 43 Detail A For platforms with an end ladder the end rail assembly PEK ships loose Secure this rail assembly to the casing using the 3 8 x 2 1 2 b...

Page 33: ...cover PHH to the factory installed brackets on the casing using the 3 8 bolts provided See Detail B 3 Install the toe board PCE using the 5 16 self tapping screws provided See Detail D 4 Secure the gr...

Page 34: ...using the 5 16 x 3 1 2 bolts provided See Figure 46 Detail A 3 Install the lower ladder support per Figure 46 Detail C as follows Secure the standoff channels PDI to the factory installed support chan...

Page 35: ...he platform railing posts using the 5 16 x 3 1 2 bolts provided See Figure 47 Detail A 3 Install the lower ladder supports per Figure 47 Detail C as follows Loosely assemble the support channels PHE P...

Page 36: ...r multi cell units install the gap plates See Figures 50 to 55 Secure plates on one side by re using the 5 16 self tapping screws from the fan deck Secure on the other side using the 1 4 self drilling...

Page 37: ...Guardrails PFi PCC 1218 1220 Detail A PFi PCC 1218 1220 Guardrail Lengths in Model Number Rail A Rail B Rail C Rail D PFi PCC 1218 28 3 4 48 5 8 53 42 PFi PCC 1220 28 3 4 53 53 42 PFi PCC 2412 Guardr...

Page 38: ...18 2420 PFi PCC 2418 2420 Guardrail Lengths in Model Number Rail A Rail B Rail C Rail D PFi PCC 1218 28 3 4 48 5 8 53 42 PFi PCC 1220 28 3 4 53 53 42 Detail A Detail B PIX RAIL C PIS RAIL A RAIL B RAI...

Page 39: ...53 53 42 Detail A Figure 54 Top Perimeter Guardrails PFi PCC 2424 PFi PCC 2424 Guardrail Lengths in Model Number Rail A Rail C Rail C PFi PCC 2424 28 3 4 53 42 Detail A Detail A PIX RAIL D PIS RAIL A...

Page 40: ...3 4 48 5 8 53 42 PFi PCC 1220 28 3 4 53 53 42 Figure 56 Top Perimeter Guardrail Post Attachment PIX RAIL D RAIL D PIS RAIL B RAIL C RAIL B RAIL A RAIL B RAIL C RAIL B RAIL A RAIL A RAIL B RAIL C RAIL...

Page 41: ...l Segment Attachment Figure 58 Top Perimeter Guardrail Toe Board Attachment Figure 59 Top Perimeter Guardrail Gap Plate Attachment Figure 60 Top Perimeter Guardrail Safety Gate Attachment 5 16 Lockwas...

Page 42: ...to the ladder s using ladder clamps PDC See Figures 61 and 62 Detail C 4 Install the coil casing section supports PJH and PJW or PJG using the 3 8 x 1 1 4 bolts provided Secure to the ladder s using l...

Page 43: ...41 Optional Accessory Installation Perimeter Handrail Ladder to Unit Base Figure 62 Top Perimeter Guardrail Ladder PCC 1220 1240 2420 2440 Detail B Detail C Detail D Detail E Detail A PJF PJF PJG PDC...

Page 44: ...ical section ladder supports PJG using the 3 8 bolts provided Secure to the ladder s using ladder clamps PDC See Figure 63 Detail C 4 Secure the ladder s to the factory installed bracket s on the Fill...

Page 45: ...re 64 Safety Cage Detail A Detail B Detail C Cage Height ft Bolting Location Cage Height ft Bolting Location Cage Height ft Bolting Location A B C D A B C D A B C D 4 1 1 12 1 1 2 1 20 1 1 4 1 5 1 1 1...

Page 46: ...BAC compatible water resistant grease using a manual grease gun See the Fan Shaft Bearings section of the PFi and PCC Operation Maintenance Manual available on www BaltimoreAircoil com 3 Thread automa...

Page 47: ...panel per the wiring diagram This is a Class 1 circuit and can be in the same conduit as the power wiring If there are two or more heaters connect the cutoffs in series as shown in the wiring diagram...

Page 48: ...WERS ICE THERMAL STORAGE EVAPORATIVE CONDENSERS HYBRID PRODUCTS PARTS SERVICES w w w B a l t i m o r e A i r c o i l c o m 7600 Dorsey Run Road Jessup MD 20794 Telephone 410 799 6200 Fax 410 799 6416...