background image

 

 

 

 

 

 

 

 

 

 

1/4-20 Machine Screws

(4 sets per fan)
- 1/4-20 Rubberized Washers
- 1/4 Flat Washers
- 1/4-20 Hex Nut

Fan Shroud

Outside of Door with
Shrouds Removed

Summary of Contents for NetXtend Flex 20

Page 1: ......

Page 2: ......

Page 3: ......

Page 4: ......

Page 5: ......

Page 6: ......

Page 7: ... ...

Page 8: ......

Page 9: ... ...

Page 10: ......

Page 11: ......

Page 12: ......

Page 13: ... ...

Page 14: ......

Page 15: ......

Page 16: ... ...

Page 17: ......

Page 18: ...1067 N A 42 00 1067 1067 42 00 1067 42 00 1067 42 00 1067 N A 30 00 762 30 00 762 30 00 762 30 00 762 30 00 762 30 00 762 762 30 00 762 30 00 762 30 00 762 30 00 762 30 00 762 25 00 635 25 00 635 25 00 635 25 00 635 25 00 635 32 00 813 813 32 00 813 32 00 813 32 00 813 32 00 813 32 00 813 24 78 630 30 07 764 38 82 986 47 57 1208 56 32 1431 24 78 630 30 07 764 38 82 986 47 57 1208 56 32 1431 65 07 ...

Page 19: ......

Page 20: ...30 30 30 W OPTIONAL REAR DOOR REAR DOOR 120 o 120 o 120 o 120 o OPTIONAL FRONT DOOR FRONTDOOR 30 30 36 36 83 25 32 D H H1 H2 W D H3 22 31 ...

Page 21: ...H H1 H2 W D H3 22 31 40 42 REAR DOOR 120 o 92 32 25 120 o FRONTDOOR 34 38 79 DOOR SIDE CHAMBER 120 o ...

Page 22: ...91 54 27 REAR DOOR LHS OPTIONAL REAR DOOR RHS 120 o 120 o 102 32 120 o 35 45 49 120 o OPTIONAL FRONT DOOR RHS 99 120 o 120 o DOOR SIDE CHAMBER H H1 H2 W D H3 22 31 ...

Page 23: ... ...

Page 24: ... ...

Page 25: ... ...

Page 26: ... ...

Page 27: ... ...

Page 28: ... ...

Page 29: ... ...

Page 30: ... ...

Page 31: ... ...

Page 32: ......

Page 33: ...2 1 ...

Page 34: ... ...

Page 35: ......

Page 36: ......

Page 37: ... 25 00 635 30 39 771 9 ...

Page 38: ......

Page 39: ... 32 00 812 8 30 39 771 9 ...

Page 40: ......

Page 41: ... 25 00 635 41 39 1051 3 ...

Page 42: ......

Page 43: ... 32 00 812 8 41 39 1051 3 ...

Page 44: ......

Page 45: ......

Page 46: ......

Page 47: ... 32 00 812 8 52 20 1325 9 ...

Page 48: ......

Page 49: ......

Page 50: ... ...

Page 51: ...ement Shackle Direction of pull The angle between the sling cables and the top of the cabinet shall not be less than 60 Top of Cabinet Shackle Never use the sling without clevises or shackles as this may break the eyebolts ...

Page 52: ......

Page 53: ...Cabinet with No Side Chambers Cabinet with 1 Side Chamber Cabinet with 2 Side Chambers ...

Page 54: ...cket Cabinet with No Side Chambers Remove 2 bolts using 7 16 socket Repeat step with side cover bolts Riser Side cover Riser Front Cover Remove 2 bolts using 7 16 socket Cabinet with One Side Chamber Repeat step with side cover bolts Riser Side cover Riser Front Cover Remove 2 bolts using 7 16 socket ...

Page 55: ......

Page 56: ...re Attaching Battery Base components removed in illustration for clarity Install Hardware as Shown 6 Plcs 1 2 13 Guide pins for lowering cabinet onto exact location for mounting 2 plcs Guide pins for lowering cabinet onto exact location for mounting 2 plcs ...

Page 57: ...Before Attaching Riser components removed in illustration for clarity Install Hardware as Shown 6 Plcs 1 2 13 Guide pins for lowering cabinet onto exact location for mounting 2 plcs Guide pins for lowering cabinet onto exact location for mounting 2 plcs ...

Page 58: ...efore Attaching the Plinth components removed in illustration for clarity Install Hardware as Shown 6 Plcs 1 2 13 Guide pins for lowering cabinet onto exact location for mounting 2 plcs Guide pins for lowering cabinet onto exact location for mounting 2 plcs ...

Page 59: ... mounting 2 plcs Guide pins for lowering cabinet onto exact location for mounting 2 plcs Place Anti Corrosion Barrier Pad Over Pad Template Before Attaching Battery Base components removed in illustration for clarity Install Hardware as Shown 6 Plcs 1 2 13 ...

Page 60: ...osion Barrier Pad Over Pad Template Before Attaching Riser components removed in illustration for clarity Install Hardware as Shown 6 Plcs 1 2 13 Guide pins for lowering cabinet onto exact location for mounting 2 plcs ...

Page 61: ...sion Barrier Pad Over Pad Template Before Attaching Plinth components removed in illustration for clarity Install Hardware as Shown 6 Plcs 1 2 13 Guide pins for lowering cabinet onto exact location for mounting 2 plcs ...

Page 62: ... mounting 2 plcs Install Hardware as Shown 8 Plcs 1 2 13 Place Anti Corrosion Barrier Pad Over Pad Template Before Attaching Battery Base components removed in illustration for clarity Guide pins for lowering cabinet onto exact location for mounting 2 plcs ...

Page 63: ......

Page 64: ...attery Base Shown Plinth and Riser Similar 25 Deep Enclosure No Side Chamber 30 Wide Enclosure with Battery Base Shown Plinth and Riser Similar OSP Cables Right Side View Front View Equipment Compartment Equipment Compartment Cable Entry Compartment Front View Right Side View OSP Cables OSP Cables Cable Entry Compartment ...

Page 65: ...with Battery Base Shown Plinth and Riser Similar 25 Deep Enclosure One Side Chamber 42 Wide Shown Two Side Chambers 54 Wide Similar Enclosure with Battery Base Shown Plinth and Riser Similar Right Side View Access to Equipment Compartment Cable Entry Compartment OSP Cables Right Side View Cable Entry Compartment Access to Equipment Compartment OSP Cables ...

Page 66: ......

Page 67: ...Load Center Showing Cables with Label Tags Flex 17 30W x 32D equipment chamber with 8P Load Center Showing Cables with Label Tags Pair Location Table Cable Tags Wrapped Around Cables at the End of the Cable Connectors Cables Completed splice ...

Page 68: ......

Page 69: ......

Page 70: ...th Battery Base Shown Plinth and Riser Similar 25 Deep Enclosure No Side Chamber 30 Wide Enclosure with Battery Base Shown Plinth and Riser Similar Right Side Right Side Side panel is not shown in illustration for clarity Side panel is NOT field removable ...

Page 71: ...ide Chambers 54 Wide Similiar Enclosure with Battery Base Shown Plinth and Riser Similiar 25 Deep Enclosure One Side Chamber 42 Wide Shown Two Side Chambers 54 Wide Similiar Enclosure with Battery Base Shown Plinth and Riser Similiar Right Side Right Side ...

Page 72: ...Chamber without Load Center Grooming Bracket Splice Bracket Protection Block Protection Module Grooming Bracket Lance Panel Splice Bracket Protection Block Protection Module Flex 32 30W x 32D Equipment Chamber without Load Center ...

Page 73: ...Center Grooming Bracket Lance Panel 8P Load Center Splice Bracket Protection Block Protection Module Grooming Bracket Lance Panel 8P Load Center Splice Bracket Protection Block Protection Module Flex 32 30W x 32D Equipment Chamber with 8P Load Center ...

Page 74: ...Flex 27 42W x 25D side Chamber with 8P Load Center Access to equipment compartment Flex 27 42W x 25D Side Chamber without 8P Load Center ...

Page 75: ... ...

Page 76: ......

Page 77: ......

Page 78: ...Rear of block ground cable connector to block ring terminal from cable shielded drains ...

Page 79: ...aps Step 1 Arrange the cables of the block over the stand off grooming and place the M307 block on the plastic cap Step 2 Rotate the M307 block towards the snap hook at the top Plastic Clip Plastic Clip Snap Hook M307 Protection Block Stand off Grooming ...

Page 80: ...ock Here Push Block Here Step 3 Push the top surface of the M307 block towards the snap hooks Step 4 Fix the M307 block by locking with snap hooks To remove the block move the snap hooks and pull out the block ...

Page 81: ...Grooming Bracket Lance Panel Splice Bracket EQUIPMENT CHAMBER Splice Bracket SIDE CHAMBER ...

Page 82: ...Main Enclosure Ground Bar Protection Bracket Ground Bar Cable from protection bracket ground bar goes to main ground bar Cable from block goes to protection bracket ground bar ...

Page 83: ...enclosure ground bar Ground straps from each individual blocks will be connected to protection bracket ground bar Another ground strap will connect the main ground bar with each protection bracket ground bar of each vertical bracket This grounding scheme is the same for side chamber protection layout as well ...

Page 84: ... ...

Page 85: ...er Connection to Ground Ring Ground Bar GRN or GRN YEL GRN or GRN YEL To Protection Verticals GRN or GRN YEL To Main GND Bar Ground Bar GRN or GRN YEL GRN or GRN YEL To Protection Verticals GRN or GRN YEL To Main GND Bar ...

Page 86: ......

Page 87: ...le Entry Conduits Right Side Side Chamber Cable Entry Compartment AC and Ground Cable Entry Conduits 25 Deep Enclosure No Side Chamber 30 Wide Enclosure with Battery Base Shown Plinth and Riser Similiar Right Side Right Side 25 Deep Enclosure One Side Chamber 42 Wide Shown Two Side Chambers 54 Wide Similiar Enclosure with Battery Base Shown Plinth and Riser Similiar Equipment Compartment Cable Ent...

Page 88: ...hamber 30 Wide Top View of Equipment Side Chamber Floor 25 Deep Enclosure One Side Chamber 42 Wide Top View of Equipment Side Chamber Floor 25 Deep Enclosure Two Side Chambers 54 Wide Front Front Front Front Ground Cable Entry Ground Cable Entry AC Cable Entry AC Cable Entry Ground Cable Entry AC Cable Entry Ground Cable Entry AC Cable Entry ...

Page 89: ......

Page 90: ......

Page 91: ......

Page 92: ......

Page 93: ......

Page 94: ......

Page 95: ......

Page 96: ......

Page 97: ...E SHOWN FOR REFERENCE ONLY WIRES INSTALLED IN FIELD WHT RED BLK GRN AC LOAD CENTER SEE NOTES 2 3 CB1 CB2 CB3 100A 30A 15A WHT BLK GRN GRN BLK 10 AWG THHN WHT SURGE PROTECTOR GROUND BAR TO MAIN GROUND BAR GFI LINE LOAD GND TEST RESET GND OPTIONAL BATTERY HEATER GRN GND BLK T STAT HEATER ELEMENT S1 10A SC 10 NEUTRAL BAR WHT WHT RED BLK GRN 30A AC GENERATOR PLUG FRONT VIEW 30A AC GENERATOR PLUG REAR ...

Page 98: ...ICE SHOWN FOR REFERENCE ONLY WIRES INSTALLED IN FIELD WHT RED BLK GRN AC LOAD CENTER NOTE 2 WHT BLK RED GRN CB1 CB2 CB3 60A 60A 15A Y X WHT BLK GRN GRN BLK 14 AWG WHT SURGE ARRESTOR GROUND BAR TO MAIN GROUND BAR GFI J2 GFI LINE LOAD GND TEST RESET GND OPTIONAL BATTERY HEATER GRN GND BLK T STAT HEATER ELEMENT S1 10A SC 10 NEUTRAL BAR WHT GRN YEL WHT RED BLK GRN 60A AC GENERATOR PLUG FRONT VIEW 60A ...

Page 99: ...E SHOWN FOR REFERENCE ONLY WIRES INSTALLED IN FIELD WHT RED BLK GRN AC LOAD CENTER SEE NOTES 2 3 CB1 CB2 CB3 100A 60A 15A WHT BLK GRN GRN BLK 6 AWG THHN W HT SURGE PROTECTOR GROUND BAR TO MAIN GROUND BAR GFI LINE LOAD GND TEST RESET GND OPTIONAL BATTERY HEATER GRN GND BLK T STAT HEATER ELEMENT S1 10A SC 10 NEUTRAL BAR WHT WHT RED BLK GRN 60A AC GENERATOR PLUG FRONT VIEW 60A AC GENERATOR PLUG REAR ...

Page 100: ... ...

Page 101: ... ...

Page 102: ...ttery Tray Front View Battery String s Battery String s Battery String s Front View Battery Disconnect Circuit Breaker Battery Disconnect Circuit Breaker Internal Battery Tray one two or three trays per enclosure allowed depending on enclosure height Note 48VDC systems have one 1 battery string per tray 24VDC systems have two 2 battery strings per tray ...

Page 103: ...op View Battery Tray in Battery Base front front Battery String s Front View Note 48VDC systems have one 1 battery string per battery base 24VDC systems have two 2 battery strings per battery base Battery Disconnect Circuit Breaker BATTERY BASE 30 WIDE X 25 DEEP ...

Page 104: ...op View Battery Tray in Battery Base front front Battery String s Front View Note 48VDC systems have one 1 battery string per battery base 24VDC systems have two 2 battery strings per battery base Battery Disconnect Circuit Breaker BATTERY BASE 30 WIDE X 32 DEEP ...

Page 105: ...ery Tray in Battery Base front Battery String s Front View Note 48VDC systems have one 1 battery string per battery base 24VDC systems have two 2 battery strings per battery base Battery Disconnect Circuit Breaker BATTERY BASE 42 WIDE X 25 DEEP ...

Page 106: ...ery Tray in Battery Base front Battery String s Front View Note 48VDC systems have one 1 battery string per battery base 24VDC systems have two 2 battery strings per battery base Battery Disconnect Circuit Breaker BATTERY BASE 54 WIDE X 25 DEEP ...

Page 107: ...r of Enclosure Option Top View Battery Tray in Battery Riser front Battery Riser Battery String s Battery String s Battery String s Battery String s Battery String s Battery String s BATTERY RISER Front View Note 48VDC systems have one 1 battery string per shelf 24VDC systems have two 2 battery strings per shelf Front View Rear View ...

Page 108: ......

Page 109: ... Battery 2B Battery 2C Battery 2D TOP BATTERY SHELF Battery String Three PRE WIRED POSITIVE BATTERY CABLES Battery Return PRE WIRED NEGATIVE BATTERY CABLES 48Vdc 48VDC Battery Disconnect Circuit Breaker CB3 Battery 3A Battery 3B Battery 3C Battery 3D Inter Cell Connections 48VDC BATTERY WIRING PRE WIRED POSITIVE BATTERY CABLES Battery Return PRE WIRED NEGATIVE BATTERY CABLES 48Vdc 48VDC Battery Di...

Page 110: ......

Page 111: ... Battery 1B Battery 2A Battery 2B MIDDLE BATTERY SHELF Battery String Three and Four Battery 3A Battery 3B Battery 4A Battery 4B TOP BATTERY SHELF Battery String Five and Six PRE WIRED POSITIVE BATTERY CABLES Battery Return Battery 5A Battery 5B Battery 6A Battery 6B Inter Cell Connections Inter Cell Connections Inter Cell Connections 24VDC Battery Disconnect Circuit Breaker CB5 24VDC Battery Disc...

Page 112: ...TEMP HI TEMP LO TEMP LO TEMP AIR COND NC AIR COND COM AIR COND NO BLK RED BLK RED GRN WHT BLK RED WHT MAJOR NO MAJOR COM MAJOR NC MINOR NO MINOR NC AC FAILNO AC FAIL COM AC FAILNC WHT BLU BLU WHT WHT ORG ORG WHT WHT GRN GRN WHT GRN RED TO 2RU NETSURE 211 OR NETSURE 502 RED BRN BRN RED 24 AWG POWER ALARM BLOCK EMPTY ALARM BLOCK CABINET ALARM BLOCK ECU ALARM BLOCK BATT BRK ALARM BLOCK POWER ALARM BL...

Page 113: ......

Page 114: ......

Page 115: ...32 5 39 5 7 5 25 1 32 5 39 5 7 5 25 1 32 5 39 5 7 5 18 0 ...

Page 116: ...Fig 76 Heat Exchanger Air Flow Diagrams 32 5 39 5 7 5 18 0 32 5 39 5 7 5 24 8 32 5 39 5 7 5 18 0 32 5 39 5 7 5 24 8 7 5 32 5 39 5 24 5 32 5 39 5 7 5 24 8 ...

Page 117: ...FRESH AIR FROM OUTSIDE CABINET INTERNAL ENCLOSURE AIRFLOW AIR EXHAUSTED OUTSIDE INTERNAL ENCLOSURE AIRFLOW FRESH AIR FROM OUTSIDE CABINET AIR EXHAUSTED OUTSIDE 1450W Heat Exchanger Shown on Flex 17 FRESH AIR FROM OUTSIDE CABINET FRESH AIR FROM OUTSIDE CABINET AIR EXHAUSTED OUTSIDE INTERNAL ENCLOSURE AIRFLOW 2800W Heat Exchanger Shown on Flex 27 ...

Page 118: ... ...

Page 119: ...800W Cabinet Air 1 Thermistor Cabinet Air 2 Thermistor unused unused External Loop Fans 1000W 1450W 2800W F04 F05 F06 F05 F06 F07 F08 F03 F04 Internal Loop Fans 1000W 1450W 2800W F01 F02 F03 F01 F02 F03 F04 F01 F02 ...

Page 120: ...800W Cabinet Air 1 Thermistor Cabinet Air 2 Thermistor unused External Loop Fans 1000W 1450W 2800W F04 F05 F06 F05 F06 F07 F08 F03 F04 Internal Loop Fans 1000W 1450W 2800W F01 F02 F03 F01 F02 F03 F04 F01 F02 unused ...

Page 121: ...2800W Heat Exchanger 1 2800W Heat Exchanger 2 2800W Heat Exchanger 1 2800W Heat Exchanger 2 ...

Page 122: ... ...

Page 123: ... ...

Page 124: ...fans turn on at 1500 rpm 40C G High Temp Alarm Temps rising FULL SPEED 120mm FAN RPM Internal Cabinet Temperature max deg C 1000 2000 3000 4000 5000 40 70 50 60 63 Int fans turn off at 21C 1500 rpm fixed speed both Int and Ext loop same OFF 6000 4200 Range of speeds per P I Control code Temp falling all fans at full speed 120mm Axial Fan 1000W and 1450W Heat Exchanger Control Algorithm NetXtend Fl...

Page 125: ...asing temperatures 30 A B C D E F 20 Ext fans turn on at 1000 rpm 40C G High Temp Alarm Temps rising 1500 2800 67 FULL SPEED 225mm FAN RPM Internal Cabinet Temperature max deg C 1000 2000 3000 40 70 50 60 63 65 Int fans turn off at 17C 1000 rpm fixed speed both Int and Ext loop same OFF Range of speeds per P I Control code 225mm Radial Fan 2800Watt Heat Exchanger Control Algorithm NetXtend Flex AP...

Page 126: ... ...

Page 127: ......

Page 128: ... ...

Page 129: ... ...

Page 130: ......

Page 131: ...30 7 37 7 5 7 30 7 37 7 5 7 ...

Page 132: ...30 7 37 7 5 7 30 7 37 7 5 7 30 7 37 7 5 7 ...

Page 133: ... ...

Page 134: ...02 Door Open d03 Maintenance Mode MAINTENANCE MODE Press Button for 6 seconds to enter 60min controller disable mode RESET Press Button for 11 seconds to reset controller E01 Thermistor 1 J1 FAIL E02 Hi Temp E12 Lo Temp E18 Voltage Low Disconnect F01 J14 Fan Failure Internal F02 J15 Fan Failure External J12 Power Input to TEC TEC WIRING REF ONLY ...

Page 135: ...Thermistor 1 unused unused unused unused unused ...

Page 136: ... ...

Page 137: ... ...

Page 138: ... ...

Page 139: ......

Page 140: ......

Page 141: ... ...

Page 142: ... ...

Page 143: ... ...

Page 144: ......

Page 145: ...Flex 8 Flex 27 Flex 17 Standard Filter Flex 27 Flex 17 ...

Page 146: ... ...

Page 147: ...INTERNAL FAN 1 FAIL F02 J17 INTERNAL FAN 2 FAIL LED DISPLAY CODES d01 DOOR OPEN d02 DOOR AJAR d03 MAINTENANCE MODE E01 TH1 FAIL E07 HIGH TEMP 1 E12 LOW TEMP 1 Thermistor 1 unused unused unused unused unused unused unused Fan 2 Fan 1 unused unused ...

Page 148: ...Cabinet Air 1 Thermistor Cabinet Air 2 Thermistor unused Fan 1 Fan 2 unused ...

Page 149: ......

Page 150: ... ...

Page 151: ... ...

Page 152: ... ...

Page 153: ......

Page 154: ......

Page 155: ...Not Available in this Enclosure Size 31 5 38 5 6 4 31 5 38 5 6 4 34 9 41 9 9 8 34 9 41 9 9 8 36 3 43 3 11 2 ...

Page 156: ...34 9 41 9 9 8 36 3 43 3 11 2 34 9 41 9 9 9 11 3 36 3 43 3 36 3 43 3 10 9 13 0 38 0 45 0 34 9 41 9 9 9 11 3 43 4 10 9 43 1 13 0 45 1 ...

Page 157: ... ...

Page 158: ... Fan Filter Assembly STANDARD FILTER Outside View COVER Remove by removing lower 2 1 4 20 x 1 tamper resistant screws and lifting cover up and out from top side pins STANDARD FILTER Remove by removing 6 10 32 x 3 4 bolts ...

Page 159: ... ...

Page 160: ...stant screws and lifting cover up and out from top side pins PRE FILTER Remove by removing 4 10 32 nuts HYDROPHOBIC FILTER Remove by removing 6 1 4 20 x 1 bolts and 6 1 4 lock washers securing the filter top and bottom PRE FILTER BRACKETS Remove by removing 6 1 4 20 x 1 bolts and 6 1 4 lock washers securing the brackets and the filter sides ...

Page 161: ......

Page 162: ...4 1 4 20 x 1 bolts and 4 1 4 lock washers Remove by removing 4 6 32 lock nuts 8 6 flat washers and 4 6 32 x 2 5 screws FAN FAN BAFFLE Remove by removing 4 6 32 lock nuts Typical Door with Fan Filter Assembly Inside View Air Flow Arrow ...

Page 163: ... ...

Page 164: ......

Page 165: ...ow Arrow No 4 Flat Washers 4 40 Ext Lock Washers 4 40 Pan Head Screws No 4 Flat Washers 4 40 Ext Lock Washers 4 40 Pan head Screws 1450W Heat Exchanger Internal Fan Replacement 1000W Heat Exchanger Internal Fan Replacement ...

Page 166: ...utside of Door with Shroud Removed External Fans Shroud External Fans Shroud Removal Remove hardware 4 1 4 20 x 0 75 Machine Screws 4 1 4 20 Rubberized Washers 4 1 4 20 Hex Threaded Inserts No 4 Flat Washers 4 40 Ext Lock Washers 4 40 Pan Head Screws No 4 Flat Washers 4 40 Ext Lock Washers 4 40 Pan Head Screws 1450W Heat Exchanger External Fan Replacement 1000W Heat Exchanger External Fan Replacem...

Page 167: ...Lower Shroud Upper Shroud ...

Page 168: ...10 Flat Washers M5 Hex Nuts 6 sets per mounting plate No 8 Flat Washer 8 32 Lock Nut Fan Outer Mounting Plate Fan Outer Mounting Plate Outside of Door with Shrouds Removed 4 sets per fan 8 Lock Washers External Tooth Pan head Screws Fan Inner Mounting Plate ...

Page 169: ...1 4 20 Machine Screws 4 sets per fan 1 4 20 Rubberized Washers 1 4 Flat Washers 1 4 20 Hex Nut Fan Shroud Outside of Door with Shrouds Removed ...

Page 170: ... ...

Page 171: ......

Page 172: ...s Shroud Shroud Typical Door with Single TEC Inside View Typical Door with Dual TEC Inside View REMOVING FAN Push Rivet 4 Locations Push Rivet 4 Locations Push Rivet 4 Locations Air Flow Arrow Typical Door with Single TEC Outside View Typical Door with Dual TEC Outside View Air Flow Arrow Air Flow Arrow ...

Page 173: ...Push Rivet 4 Locations Push Rivet 4 Locations Typical Door with Single TEC Inside View Typical Door with Dual TEC Inside View Push Rivet 4 Locations Air Flow Arrow Air Flow Arrow Air Flow Arrow ...

Page 174: ... ...

Page 175: ......

Page 176: ......

Page 177: ......

Page 178: ......

Page 179: ......

Page 180: ......

Page 181: ......

Page 182: ......

Page 183: ......

Page 184: ......

Page 185: ......

Page 186: ......

Page 187: ......

Page 188: ......

Reviews: