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18-GJ06D2-2E-EN

Electrical — Low Voltage

Table 16.

Low Voltage Maximum Wire Length

The associated table defines the maximum
total length of low voltage wiring from the
outdoor unit to the indoor unit, and to the
thermostat.

24 VOLTS

WIRE SIZE

MAX. WIRE LENGTH

18 AWG

150 FT.

16 AWG

225 FT.

14 AWG

300 FT.

Table 17.

Low Voltage Hook-up Instructions

Note:

Strain relief must be provided on the inside of the air handler

cabinet for the low voltage wiring. Field supplied thermostat
wired may be wire tied as a bundle to the existing strain
relieved low voltage pigtail leads in the air handler unit.

1.

Route control wiring to unit. Remove the external sheathing of the
wiring approximately 5”.

Note:

Optional Low Voltage Conduit Entry Kit number BAYLVKIT100A

is available.

5”

2.

Remove Coil panel by turning the Phillips head door fasteners,
rotating the door away from the cabinet, and removing.

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Содержание TAM7

Страница 1: ...erature and on the tags stickers and labels that are attached to the equipment July 2014 18 GJ06D2 2E EN Air Handlers Convertible 2 5 Ton B Bl la ac ck k E Ep po ox xy y C Co oi il ls s TAM7A0A24H21EA TAM7A0B30H21EA TAM7A0C36H31EA TAM7A0C42H31EA TAM7A0C48H41EA TAM7B0C60H51EA S St ta an nd da ar rd d C Co oi il ls s TAM7A0A24H21SD TAM7A0B30H21SD TAM7A0C36H31SD TAM7A0C42H31SD TAM7A0C48H41SD TAM7B0C6...

Страница 2: ...r re e t to o f fo ol ll lo ow w t th hi is s W Wa ar rn ni in ng g c co ou ul ld d r re es su ul lt t i in n p pr ro op pe er rt ty y d da am ma ag ge e s se ev ve er re e p pe er rs so on na al l i in nj ju ur ry y o or r d de ea at th h F Fo ol ll lo ow w a al ll l e el le ec ct tr ri ic ca al l s sa af fe et ty y p pr re ec ca au ut ti io on ns s w wh he en n e ex xp po os se ed d t to o l li ...

Страница 3: ...ting the Unit Vertical Installation 19 Setting the Unit Horizontal Installations 22 Connecting the Duct work 23 Refrigerant Line 24 Refrigerant System Layout 24 Refrigerant Line Brazing 25 Condensate Drain Piping 29 Electrical Low Voltage 32 Dip Switches 39 Indoor Blower Options 41 Control Plate Reinstall 42 Electrical High Voltage 43 TAM7 OUTLINE DRAWING 46 Filters 47 System Charge Adjustments 47...

Страница 4: ... f fo or r i in nf fo or rm ma at ti io on n o on n r re ea ad di in ng g t th he e C Co on nt tr ro ol l B Bo oa ar rd d L LE ED Ds s A Ai ir r F Fl lo ow w T Ta ab bl le es s a an nd d T Tr ro ou ub bl le es sh ho oo ot ti in ng g F Fl lo ow wc ch ha ar rt ts s N No ot te e The manufacturer recommends installing ONLY A H R I approved matched indoor and outdoor systems Some of the benefits of ins...

Страница 5: ...netrations are allowed in the blower section for low voltage wiring or installation of Side Return Kit Typical both sides Screws are allowed up to 3 3 4 from the top of the cabinet heater compartment Typical both sides Screws for flange kit attachment are allowed along the interior of the cabinet see arrows Typical all sides No penetrations allowed Typical all sides Screws allowed only in the firs...

Страница 6: ...rn screws on Heater panel 2 Pull panel straight out away from cabinet 3 Set aside 0 0 0 0 Removal of the Line Set panel is required for all refrigerant line brazing and some condensate line assembly depending on your orientation To remove Line Set panel 1 Remove both Heater and Coil panels 2 Turn screws on Line Set panel 3 Pull panel straight out away from cabinet 4 Set aside Note After replacing ...

Страница 7: ...rted in a horizontal position it must be laid on its back marked REAR on carton Note After unit is removed from the carton verify coil is pressurized Carefully remove the liquid line plug If no pressure is released check for leaks Note Remove the cardboard from the bottom of the blower Cut the tie wrap and remove the foam shipping block located at the motor ...

Страница 8: ...lter Kit 20 x 20 x 1 10 filters B BAYFLR2220A High Velocity Filter Kit 22 x 20 x 1 10 filters C TASB175SB Plenum Stand with integrated sound baffle A A TASB215SB Plenum Stand with integrated sound baffle B B TASB235SB Plenum Stand with integrated sound baffle C C MITISRKIT01A Side Return Kit with 16 x 20 Filter A to C BAYFRKIT175 Front Return Kit for 17 5 Cabinet A BAYFRKIT210 Front Return Kit for...

Страница 9: ...ctions are secure and the plug clips are engaged 1 Remove all four front panels 2 Remove the two screws on the seal bar and pull the seal bar straight out 3 Disconnect all wiring connections routed to the blower assembly See Table 2 p 5 4 Slide Blower assembly out of unit using built in blower support channels and set aside Note Remove the cardboard from the bottom of the blower Cut the tie wrap a...

Страница 10: ...g as illustrated 6 Disconnect wires to the EEV motor and sensors Cut the wire ties on those wire harnesses if necessary and replace after re installing Note If cut wire ties that held the sensor must be replaced after the coil is placed back into the cabinet 7 Slide Coil assembly out of unit using built in coil support channels and set aside Coil Support Channel O Op pt ti io on na al l C Ca ab bi...

Страница 11: ... the locking mechanism The locks loosen by turning counter clockwise approximately 3 4 of a turn 9 Lift the Coil section up and away from the Blower section Set aside Note When separating the two cabinet pieces make sure the gasket remains intact O Op pt ti io on na al l C Ca ab bi in ne et t D Di is sa as ss se em mb bl ly y ...

Страница 12: ...rough a small opening remove the top panel and all cross members Use a manual driver to avoid stripping screw holes 11 Continue preparation by following the proper carrying procedures shown in the next section O Op pt ti io on na al l C Ca ab bi in ne et t D Di is sa as ss se em mb bl ly y ...

Страница 13: ...f cut wire ties that held the sensor wiring must be replaced Important Under no conditions should metal strapping be attached to the unit to be used as support mechanisms for carrying or suspension purposes Approved Carrying Hold by the cross members within the cabinet or unit top plate and use as handles for lifting and carrying the coil and blower sections Cross M em bers ...

Страница 14: ...AM7A0A24H21SD TAM7A0A24H21EA 49 9 x 17 5 x 21 8 28 1 120 TAM7A0B30H21SD TAM7A0B30H21EA 55 7 x 21 3 x 21 8 33 9 133 TAM7A0C36H31SD TAM7A0C36H31EA 56 9 x 23 5 x 21 8 35 1 143 TAM7A0C42H31SD TAM7A0C42H31EA 56 9 x 23 5 x 21 8 35 1 158 TAM7A0C48H41SD TAM7A0C48H41EA 61 7 x 23 5 x 21 8 39 9 174 TAM7B0C60H51SC TAM7B0C60H51EA 61 7 x 23 5 x 21 8 39 9 178 Blower compartment height is 21 8 inches ...

Страница 15: ...ation Remember to adjust the badge accordingly Note The air handlers are shipped from the factory suitable for four way application Airfl ow Upfl ow Confi guration Refrigerant Connections Low Voltage Connections Inside Unit Control Pocket Inside Unit Upflo w Condensate Drains Low Voltage Connections Inside Unit Control Pocket Inside Unit Refrigerant Connections Downfl ow Conden sate Drains ...

Страница 16: ... Connections Inside Unit Control Pocket Inside Unit Horizontal Left Confi guration Horizontal Right Confi guration Airfl ow Control Pocket Inside Unit Low Voltage Connections Inside Unit Refrigerant Connections Horizontal Right Condensate Drains F Fo ou ur r W Wa ay y C Co on nv ve er rs si io on n ...

Страница 17: ... o or r u ut ti il li it ty y r ro oo om m a as s a a f fo os ss si il l f fu ue el l d de ev vi ic ce e Non Ducted Return Installations Installation in a closet an alcove or a utility room without a return duct requires the use of a plenum accessory kit as it uses the area space as a return air plenum Minimum clearances to combustible materials and service access must be observed see outline draw...

Страница 18: ...f the air handler must be made prior to or at the same time as the installation of the outdoor unit in order to allow access for refrigerant lines Consider the overall space needed when external accessories are used additional height and width requirements may exist These units are not approved for outdoor installation These units must be installed in the proper air flow direction Any third party ...

Страница 19: ...n unit on suitable foundation If a manufacturer approved accessory is not used a frame strong enough to support the total weight of the unit accessories and duct work must be provided Isolate unit from the foundation using a suitable isolating material Note The following sound insulation kits are available to lessen objectionable sound BAYINSKT175A for use with 17 5 cabinets BAYINSKT215A for use w...

Страница 20: ...The following sound insulation kits are available to lessen objectionable sound BAYINSKT175A for use with 17 5 cabinets BAYINSKT215A for use with 21 5 cabinets BAYINSKT235A for use with 23 5 cabinets Airflow Airflow Typical TASB Installation A i r f l o w Table 8 Plenum Installation 2 Assemble the plenum using the plenum s Installer Guide On units with sheet metal returns Return plenum must be fla...

Страница 21: ...r zero clearance from combustible materials 3 Prepare the location site as appropriate for your application and per national state and local code requirements 4 Set the unit in position Representative Illustration Typical Downflow Installation S Se et tt ti in ng g t th he e U Un ni it t V Ve er rt ti ic ca al l I In ns st ta al ll la at ti io on n ...

Страница 22: ...ut or other load bearing materials b The unit must be isolated carefully to prevent sound transmission Field supplied vibration isolators are recommended Important The unit can only be supported from the bottom unless using kit BAYHHKIT001A Do not drill or screw supports into any area of the cabinet Note Do not allow the unit to be used as strain relief 2 Install an auxiliary drain pan under the h...

Страница 23: ... Kits are available to connect the supply plenum or for mounting on the discharge opening to provide a flush fit for 1 1 2 duct board applications If front or rear return is required the air handler must be elevated placed on a pedestal or plenum and duct must be connected to this pedestal or plenum If side return is required the Side Return Kit BAYSRKIT100A accessory must be used A remote filter ...

Страница 24: ...ay be required 2 All AHRI listed systems are tested with 25 feet of refrigeration tubing the rated tubing diameters are located in the electronic performance data system 3 If the refrigeration lines exceed 60 feet in linear length and or if alternate size refrigeration tubing is present at the job please consult SS APG006 EN or 32 3312 latest version Refrigerant System Layout Vapor Line Chec k Val...

Страница 25: ...ons Important Heat Sensitive Sensors The Gas Temperature Sensor must be removed or a wet rag must be wrapped around the suction line between the Sensor and the braze joint to protect it from failure due to overheating 2 Remove the sealing plug from the indoor coil suction line 3 Remove the sealing plug from the indoor coil liquid line This coil is pressurized with 8 12 psig of dry air Do not stand...

Страница 26: ...st be removed or a wet rag must be wrapped around the suction line between the Sensor and the braze joint to protect the Sensor from failure due to overheating 5 Braze refrigerant line connections a Pull back the insulation before brazing the suction line b Wrap the Gas Temperature Sensor GT with a wet rag c Braze the refrigerant line connections Note The suction line must be insulated prior to br...

Страница 27: ...n gauge reads no higher than 350 microns then close off the valve to the vacuum pump 0350 Microns ON OFF 9 Observe the micron gauge Evacuation is complete if the micron gauge does not rise above 500 microns in one 1 minute a Once evacuation is complete blank off the vacuum pump and micron gauge and close the valves on the manifold gauge set Note Charge system using Outdoor unit s Installer Guide o...

Страница 28: ...for tubing to cool d Install grommets to line set piping in orientation shown Note A slight amount of dish soap can be used to aid in the installation of the grommets Remove any excess from the tubing and grommet after the grommet is installed SEE ENLARGED ILLUSTRATION FOR ORIENTATION R Re ef fr ri ig ge er ra an nt t L Li in ne e B Br ra az zi in ng g ...

Страница 29: ...with access panels Slope the drain lines downward a minimum of 1 4 per foot support per local codes Do not use reducing fittings in the condensate drain lines Do not connect the drain line to a closed drain system Do not use a torch or flame near the plastic drain pan coupling A P trap is not required for proper drainage due to the positive pressure of the air handler however it is recommended to ...

Страница 30: ... e n s a te Dra in s Upflow Condensate Drains Air seal over secondary drain Note A small amount of sealant must be applied around the drain line s passing through the panel to prevent air leakage and possible water drips Dry fit and test clearance for coil panel removal before applying PVC CPVC cement Use Teflon tape on the air handler drain line connections Do not use pipe joint compound or PVC C...

Страница 31: ...t sweating where dew point temperatures may be met Optional depending on climate and application needs Provide a means of drainage to prevent winter freeze up of condensate line Optional depending on climate and application needs Insulation 6 Support the condensate piping outside the unit per local codes for proper drainage and to prevent sagging Allow 1 4 of downward slope for each foot of pipe C...

Страница 32: ...ions Note Strain relief must be provided on the inside of the air handler cabinet for the low voltage wiring Field supplied thermostat wired may be wire tied as a bundle to the existing strain relieved low voltage pigtail leads in the air handler unit 1 Route control wiring to unit Remove the external sheathing of the wiring approximately 5 Note Optional Low Voltage Conduit Entry Kit number BAYLVK...

Страница 33: ... from the control pocket Rotate the control board 180 degrees Place the control board 2 3 inches back into the control pocket Attach wiring per appropriate hook up diagram or perform service Important After wires have been connected or service performed the control board MUST be rotated back to the original orientation before inserting into cabinet control pocket E El le ec ct tr ri ic ca al l L L...

Страница 34: ...t For multiple stages of electric heat jumper W1 W2 and W3 together if control has only one stage of heat Yi and Y0 connections must be made as shown for freeze protection and internally mounted condensate overflow circuits to work properly OD unit pump down may occur if these connections are not made correctly Internally mounted condensate switch is optional and must be ordered separately If 3rd ...

Страница 35: ...of electric heat jumper W1 W2 and W3 together if control has only one stage of heat Yi and Y0 connections must be made as shown for freeze protection and internally mounted condensate overflow circuits to work properly OD unit pump down may occur if these connections are not made correctly Internally mounted condensate switch is optional and must be ordered separately If 3rd party condensate overf...

Страница 36: ...ectric heat jumper W1 W2 and W3 together if control has only one stage of heat Yi and Y0 connections must be made as shown for freeze protection and internally mounted condensate overflow circuits to work properly OD unit pump down may occur if these connections are not made correctly Internally mounted condensate switch is optional and must be ordered separately If 3rd party condensate overflow s...

Страница 37: ...ltiple stages of electric heat jumper W1 W2 and W3 together if control has only one stage of heat Yi and Y0 connections must be made as shown for freeze protection and internally mounted condensate overflow circuits to work properly OD unit pump down may occur if these connections are not made correctly Internally mounted condensate switch is optional and must be ordered separately If 3rd party co...

Страница 38: ...R74 R89 R25 R18 R19 R10 R9 R8 R3 R2 R5 R7 Q8 Q4 PTC1 MOV1 L2 L3 K1 J3 J6 J9 D36 D35 D34 D1 D22 D29 D25 D24 D7 D4 D2 D28 C57 C54 C56 C51 C49 C48 C47 C52 C43 C42 C36 C35 C34 C31 C30 C29 C13 C7 C3 C2 C1 U1 C58 R105 C50 U2 J7 R24 R17 D6 D3 D14 D17 R NET 1 R NET 2 R73 1 J8 Yo R B O Y1 J1 W2 W1 R63 R62 R56 D21 D20 C32 C33 R38 R36 R16 R15 R32 R11 R28 R27 R26 D13 D12 D5 D11 D10 C24 C25 C4 C5 C16 C17 D8 R5...

Страница 39: ...te e The OD multiplier in conjunction with the CFM TON can be used to adjust total airflow for your application Example 4 5T x 370 CFM TON 1665 CFM Not an actual OD size Set the S1 3 dip switch for AC or HP OD TYPE S1 3 HP OFF AC ON 1 1 1 2 3 4 5 1 2 3 4 5 HP 2 Comp res s or 2 Stag es AC Sys tem OUTDOOR Capa city Tons OUTDOOR Torque CFM Ton Coo l Off Delay INDOOR CFM 12V R13 R14 R4 U1 R NET 1 S1 o...

Страница 40: ...ting Torque and constant CFM modes Set the S2 5 dip switch for the airflow mode AIRFLOW MODE S2 5 TORQUE OFF CONSTANT CFM ON 1 1 1 2 3 4 5 1 2 3 4 5 HP 2 Comp res s or 2 Stag es AC Sys tem OUTDOOR Capa city Tons OUTDOOR Torque CFM Ton Coo l Off Delay INDOOR CFM 12V R13 R14 R1 R4 C1 U1 R NET 1 S1 on on S2 R NET 2 R6 C22 C19 C15 C12 C18 C21 C10 D9 L1 R22 S 2 Airflow Control AFC OFF OFF 50 80 100 if ...

Страница 41: ...V D D P G D M C LR V S S P G C 3 3 V S C L S D A G N D HUM PART NO LABEL BAR CODE S TATUS Yo Jumper 13 8V C59 R57 R58 R64 R65 R76 R78 S3 R110 R41 R68 C40 R93 R109 R12 R55 R23 R20 R49 D23 D19 D18 C46 C39 C6 C23 R80 R71 R67 R52 R75 R72 C41 R1 R33 R34 J4 Q1 X1 U4 U3 TZ2 T2 T1 R98 R97 R60 R21 R91 R87 R88 R70 R86 R66 R79 R77 R54 R106 R104 R42 R39 R82 R74 R25 R18 R19 R10 R9 R8 R3 R2 R5 R7 Q8 MOV1 L2 L3 ...

Страница 42: ...assembly into the control pocket until fully seated The control plate should be flush with the outer edge of the unit 2 Replace coil panel making sure that the wires are located within the wire pass through provided in the panel Pass through notch in coil access door ...

Страница 43: ...e e el le ec ct tr ri ic ca al l c co om mp po on ne en nt ts s I It t m ma ay y b be e n ne ec ce es ss sa ar ry y t to o w wo or rk k w wi it th h l li iv ve e e el le ec ct tr ri ic ca al l c co om mp po on ne en nt ts s d du ur ri in ng g i in ns st ta al ll la at ti io on n t te es st ti in ng g s se er rv vi ic ci in ng g a an nd d t tr ro ou ub bl le es sh ho oo ot ti in ng g o of f t th hi...

Страница 44: ...with the electric heater Connect L1 L2 and ground wiring to pigtail harness in Heater Compartment using wire nuts The incoming ground wiring will mate up with the green wire shown in the illustration BLACK RED GREEN GROUND 5 If the L1 L2 and ground wires enter the case from the left side use a field supplied 1 2 5 8 maximum length screw and wire tie to hold the wires to the top center of the Heate...

Страница 45: ...nel bracket and seal plate to the support bar Important The Coil Seal Plate and screw secure the coil in the center of the air handler Failure to follow these steps can prevent the Coil Panel from being easily replaced on the unit Important The Blower Panel may be removed if needed to help align the new screw with the seal plate and crossmember Important For the 5 ton air handler model tap 5 shoul...

Страница 46: ...8 TAM7A0B30H21SD TAM7A0B30H21EA 55 7 45 5 18 4 21 3 18 4 9 2 24 8 EEV 3 4 3 8 TAM7A0C36H31SD TAM7A0C36H31EA 56 9 46 7 20 5 23 5 20 5 10 3 24 2 EEV 7 8 3 8 TAM7A0C42H31SD TAM7A0C42H31EA 56 9 46 7 20 5 23 5 20 5 10 3 24 5 EEV 7 8 3 8 TAM7A0C48H41SD TAM7A0C48H41EA 61 7 51 5 20 5 23 5 20 5 10 3 24 9 EEV 7 8 3 8 TAM7B0C60H51SC TAM7B0C60H51EA 61 7 51 5 20 5 23 5 20 5 10 3 24 9 EEV 7 8 3 8 ...

Страница 47: ...024 9 TAM7A0C36H31SD TAM7A0C36H31EA 4A6H6036E G 4TWX6036E G 4A6H7036 4TWX8036 10 TAM7A0C48H41SD TAM7A0C48H41EA 4A6H6048E G 4TWX6048E G 4A6H7048 4TWX8048 8 Single Compressor 2 Stage AC TAM7A0B30H21SD TAM7A0B30H21EA 4A7A6024E G 4TTX6024E G 4A7A7024 4TTX8024 8 TAM7A0C36H31SD TAM7A0C36H31EA 4A7A6036E G 4TTX6036E G 4A7A7036 4TTX8036 8 TAM7A0C48H41SD TAM7A0C48H41EA 4A7A6048E G 4TTX6048E G 4A7A7048 4TTX8...

Страница 48: ...urely in place and that all wiring has been properly dressed and secured 2 Set the system thermostat to OFF OFF DONE CANCEL 3 Turn on electrical power disconnect s to apply power to the indoor and outdoor units ON OFF 4 Set the system thermostat to ON ON DONE CANCEL ...

Страница 49: ...contacts on the AFC will pass 24VAC to the YO terminal providing power to the outdoor unit control circuit 3 R G contacts close on comfort control sending 24VAC to the G terminal of the AFC 4 The AFC micro processor sends a command to the serial communicating blower motor to run at 100 5 The HUM contacts close H He ea at t p pu um mp p O OD D T Tw wo o S St ta ag ge e h he ea at ti in ng g m mo od...

Страница 50: ...nt calls for W2 and or W3 the EHC will communicate to the AFC the required airflow request and energize the additional relays N No ot te e The EHC has lead lag logic built in that energizes the electric heat relays based upon cycle counts For example BAYEV 15 The first time W1 only is energized the K1 relay would close and energize the A heater The second time W1 only is energized the K2 relay wou...

Страница 51: ...o confirm factory tubing has not shifted during shipment Adjust tubing if necessary so tubes do not rub against each other or any component when unit runs Ductwork is sealed and insulated All drain lines are clear with joints properly sealed Pour water into drain pan to confirm proper drainage Supply registers and return grilles are open unobstructed and air filter is installed Indoor blower and o...

Страница 52: ...nvironments the manufacturer offers a broad portfolio of advanced controls and HVAC systems comprehensive building services and parts For more information visit www IRCO com The manufacturer has a policy of continuous product and product data improvements and reserves the right to change design and specifications without notice 2014 Trane 18 GJ06D2 2E EN 03 Jul 2014 Supersedes 18 GJ06D2 2D EN Apri...

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