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Trane BAYCOIL55, Руководство по установке

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10 

 

18-AH47D1-2

1)  Put the new coil assembly into the air handler 

using care not to damage any of the coil com-
ponents. 

Note:  Make sure the coil fits into the rails or 
channels the failed coil was removed from. If 
previous coil was secured with screws, rein-
stall them now. 

2)  Using tubing cutters, cut off the spun closed 

end of the suction line. (See Figure 16) 

3)  Install the front coupling panel (on units so 

equipped), routing the refrigerant piping 
through the coupling panel.  (See Figure 17)

Note: Wet rags must be applied to all braze 
joints before and during heating to prevent 
overheating of internal coil components. (See 
Figure 10)

4)  Reconnect the field refrigerant piping.   
5)  Pressure test the refrigerant system using dry 

nitrogen.  Test all connections for leaks to en-
sure integrity of the refrigerant piping system.

Section 6. Reconnecting new coil 

assembly

Figure 17 -  Routing lines through panel

Figure 16 -  Cutting off end of suction line

Содержание BAYCOIL55

Страница 1: ...cal distributor Installer s Guide Table of Contents Section 1 Safety 2 Section 2 Overview and Common Steps 3 2 1 Common Preparation Steps 3 2 2 Common Coil Removal and Retrofit 3 Section 3 Coil with a Mechanically Fitted TEV 4 3 1 Remove the existing coil 4 3 2 Remove the TEV from the Existing coil 4 3 3 Installing the TEV onto the replacement coil 4 Section 4 Coil with a Brazed TEV 6 4 1 Remove t...

Страница 2: ...olled edge No torque is required LIVE ELECTRICAL COMPONENTS During installation testing servicing and trouble shooting of this product it may be necessary to work with live electrical components Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury CAUTION WARNING CONTAINS REFRIGERANT SYSTEM CONTAINS OIL AND REFRIGERA...

Страница 3: ...ge power to the unit 2 Remove the condensate drain line from the indoor coil Be prepared to catch any water that might be in the drain line and drain pan 3 Disconnect the refrigerant lines to the indoor coil Be sure to protect the refrigerant lines so debris does not enter the piping system FCCV section has unique instructions 4 Remove the air handler s front panels Retain all screws to reinstall ...

Страница 4: ...outer sheet metal cover of the replacement evaporator coil by taking out the screws around the perimeter of the shield This will expose the short liquid line and dis tributor assembly of the replacement coil Retain the screws for re attachment in a later step See Figure 2 Note Take care not to bend the coil distributor lines Use a backup wrench to prevent stress on components See Figure 3 2 Remove...

Страница 5: ...past finger tight 4 Connect the liquid line from the removed coil to the TEV by bolting it to the refrigerant enter ing connection of the TEV See Figure 6 5 The liquid line must be wrapped to prevent copper tubing from coming in contact with alu minum tubing and the outer sheet metal cover See Figure 7 Note NON metallic tape such as electrical tape foam tape armaflex etc is recommended Figure 7 Wr...

Страница 6: ... a mechanically fitted TEV Note Take care not to bend the coil distributor lines Use a backup wrench to prevent stress on components See Figure 3 2 Remove the short liquid line See Figure 4 3 Bolt the TEV to the distributor assembly See Figure 5 Note Torque specification for TEV equals 1 6 turn past finger tight 4 Remove the solder cap from the short liquid line to connect a field fabricated liqui...

Страница 7: ... it passes through the opening on the cou pling panel C it is long enough to reach the field line set outside the air handler 7 Remove the Schrader core from the brass fit ting on the suction manifold See Figure 8 8 Connect the equalizer line to the brass fitting on the suction manifold See Figure 9 9 Sensing bulb should be routed to the suction manifold with the equalizer line but not yet at tach...

Страница 8: ...et metal cover of the replacement evaporator coil by taking out the screws around the perimeter of the shield This will expose the short liquid line and dis tributor assembly of the replacement coil Retain the screws for re attachment in a later step See Figure 2 Note Take care not to bend the coil distributor lines Use a backup wrench to prevent stress on components See Figure 3 2 Remove the shor...

Страница 9: ...ing panel to the existing field lineset See Figure 13 7 Test fit the field fabricated liquid line to ensure A it does not contact the front panel or return bends aluminum tubing B it passes through the opening on the cou pling panel C it is long enough to reach the field line set outside the air handler 8 Make certain the brass fitting on the suction manifold has a schrader core inside and is seal...

Страница 10: ...the front coupling panel on units so equipped routing the refrigerant piping through the coupling panel See Figure 17 Note Wet rags must be applied to all braze joints before and during heating to prevent overheating of internal coil components See Figure 10 4 Reconnect the field refrigerant piping 5 Pressure test the refrigerant system using dry nitrogen Test all connections for leaks to en sure ...

Страница 11: ...cover using screws previously removed 9 Reconnect the condensate drain piping mak ing sure there is a trap in the main drain line 10 Install the front panels of the unit removed in earlier steps 11 Pull a vacuum on the refrigerant system to 500 microns or less 12 Refill the system with new refrigerant or re lease the charge from the outdoor unit to the refrigerant piping system 13 Start outdoor un...

Страница 12: ...47D1 2 6200 Troup Highway Tyler TX 75707 The manufacturer has a policy of continuous product and product data improvement and it reserves the right to change design and specifications without notice Trane 2010 ...

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