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Installer’s Guide

April 2020

18-BC104D1-1B-EN

 

SAFETY WARNING

Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, 
and air-conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or 
altered equipment by an unqualified person could result in death or serious injury. When working on the equipment, observe all pre-
cautions in the literature and on the tags, stickers, and labels that are attached to the equipment.

Epoxy Coated Model

4TWS6036A3000A

4TWS6036A3COTA

4TWS6048A3000A

4TWS6048A3COTA

4TWS6060A3000A

4TWS6060A3COTA

4TWS6036A4000A

4TWS6036A4COTA

4TWS6048A4000A

4TWS6048A4COTA

4TWS6060A4000A

4TWS6060A4COTA

Note: 

“Graphics in this document are for representation only. 

Actual model may differ in appearance.”

Side Discharge HP Models

For coastal applications where units are installed within one (1) mile of salt water, epoxy coated models are recommended.
These models have an 8 week lead time after order.

Summary of Contents for 4TWS6036A3000A

Page 1: ...the equipment observe all pre cautions in the literature and on the tags stickers and labels that are attached to the equipment Epoxy Coated Model 4TWS6036A3000A 4TWS6036A3COTA 4TWS6048A3000A 4TWS6048A3COTA 4TWS6060A3000A 4TWS6060A3COTA 4TWS6036A4000A 4TWS6036A4COTA 4TWS6048A4000A 4TWS6048A4COTA 4TWS6060A4000A 4TWS6060A4COTA Note Graphics in this document are for representation only Actual model m...

Page 2: ... pe er r p pr ro oc ce ed du ur re es s c ca an n r re es su ul lt t i in n p pe er rs so on na al l i il ll ln ne es ss s o or r i in nj ju ur ry y o or r s se ev ve er re e e eq qu ui ip pm me en nt t d da am ma ag ge e S Sy ys st te em m c co on nt ta ai in ns s o oi il l a an nd d r re ef fr ri ig ge er ra an nt t u un nd de er r h hi ig gh h p pr re es ss su ur re e R Re ec co ov ve er r r re...

Page 3: ...t Line and Indoor Coil Evacuation 14 Service Valves 15 Electrical Low Voltage Non Communicating 16 Low Voltage Hook up Diagrams 16 Electrical High Voltage 17 System Start Up 18 Subcooling Charging in Cooling between 55 F and 120 OD Ambient 19 System Charge Adjustment 20 Refrigerant Charging Chart 21 Subcool Charging Charts 22 Charging the Unit 23 Checkout Procedures 25 Troubleshooting 26 Troublesh...

Page 4: ...D1 1B EN Unit Location Considerations Table 1 Unit Dimensions in inches and Weight 0RGHOV LQ HLJKW OE 7 6 7 6 7 6 HLJKW YDOXHV DUH HVWLPDWHG XQFUDWHG A 75 7 5 C B F E D 1 50 TYP 43 TYP ACCESS PANEL SERVICE PANEL ...

Page 5: ...27H FHHG IHHW 7KH PD LPXP YHUWLFDO FKDQJH VKRXOG QRW H FHHG IHHW 6HUYLFH YDOYH FRQQHFWLRQ GLDPHWHUV DUH VKRZQ LQ 5HIULJHUDQW LQH DQG 6HUYLFH 9DOYH RQQHFWLRQ 6L H KDUW 50 Max Vertical Change Standard Line Set 150 Max Line Length 50 Max Vertical Change U Un ni it t L Lo oc ca at ti io on n C Co on ns si id de er ra at ti io on ns s ...

Page 6: ... RI WKH RXWGRRU XQLW PXVW EH D PLQLPXP RI IURP DQ ZDOO RU VXUURXQGLQJ VKUXEEHU WR HQVXUH DGHTXDWH DLUIORZ Note 2 Required for Service Panel Access Min 20 clearance to obstruction Fan Side Min 6 clearance to obstruction Coil Side Airflow Direction Voltage hook up Access panel Note 2 Required for Service Panel Access Min 6 clearance to obstruction Coil Side Min 20 clearance to obstruction Fan Side A...

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Page 8: ...SRUW SDG VXFK DV D FRQFUHWH VODE FRQVLGHU WKH IROORZLQJ 7KH SDG VKRXOG EH DW OHDVW ODUJHU WKDQ WKH XQLW RQ DOO VLGHV 7KH SDG PXVW EH VHSDUDWH IURP DQ VWUXFWXUH 7KH SDG PXVW EH OHYHO 7KH SDG VKRXOG EH KLJK HQRXJK DERYH JUDGH WR DOORZ IRU GUDLQDJH 7KH SDG ORFDWLRQ PXVW FRPSO ZLWK 1DWLRQDO 6WDWH DQG RFDO FRGHV PSRUWDQW 8QLW FDQ EH VHFXUHG WR WKH SDG LI WKHUH LV FRQFHUQ RI WKH XQLW WLSSLQJ U Un ni it ...

Page 9: ...U FKDUJHG ZLWK WKH V VWHP FKDUJH UHTXLUHG IRU WKH RXWGRRU FRQGHQVLQJ XQLW WHQ IHHW RI WHVWHG FRQQHFWLQJ OLQH DQG WKH VPDOOHVW UDWHG LQGRRU HYDSRUDWLYH FRLO PDWFK OZD V YHULI SURSHU V VWHP FKDUJH YLD VXEFRROLQJ 7 9 9 RU VXSHUKHDW IL HG RULILFH SHU WKH XQLW QDPHSODWH Table 9 Required Refrigerant Line Length HWHUPLQH UHTXLUHG OLQH OHQJWK DQG OLIW RX ZLOO QHHG WKLV WR GHWHUPLQH WKH VXEFRROLQJ FKDUJLQJ...

Page 10: ...t t s so ol ld de er re ed d RU UHWURILW DSSOLFDWLRQV ZKHUH WKH H LVWLQJ LQGRRU HYDSRUDWRU FRLO DQG RU UHIULJHUDQW OLQHV ZLOO EH XVHG WKH IROORZLQJ SUHFDXWLRQV VKRXOG EH WDNHQ QVXUH WKDW WKH LQGRRU HYDSRUDWRU FRLO DQG UHIULJHUDQW OLQHV DUH WKH FRUUHFW VL H QVXUH WKDW WKH UHIULJHUDQW OLQHV DUH IUHH RI OHDNV DFLG DQG RLO PSRUWDQW RU PRUH LQIRUPDWLRQ VHH SXEOLFDWLRQ QXPEHU 66 3 1 Table 12 Refrigerant...

Page 11: ...G HYHU IW Table 14 Isolation In Wall Spaces Side View Isolator Line Set 8 Feet Maximum Wall 8 Feet Maximum 6HFXUH 9DSRU LQH IURP MRLVWV XVLQJ LVRODWRUV HYHU IW 6HFXUH LTXLG LQH GLUHFWO WR LQVXODWHG 9DSRU LQH XVLQJ WDSH ZLUH RU RWKHU DSSURSULDWH PHWKRG HYHU IW Table 15 Isolation Through Wall Wall Sealant Insulation Vapor Line Duct Work Isolator Line Set DO NOT hang line sets from duct work U Un ni ...

Page 12: ...LQJ WRRO WR GHEXU WKH SLSH HQGV OHDQ ERWK LQWHUQDO DQG H WHUQDO VXUIDFHV RI WKH WXELQJ XVLQJ DQ HPHU FORWK 5HPRYH WKH SUHVVXUH WDS FDS DQG YDOYH FRUH IURP HDFK VHUYLFH YDOYHV 3XUJH WKH UHIULJHUDQW OLQHV DQG LQGRRU FRLO ZLWK GU QLWURJHQ U Un ni it t L Lo oc ca at ti io on n C Co on ns si id de er ra at ti io on ns s ...

Page 13: ...Z DZD IURP RXWGRRU XQLW DQG WRZDUG HYDSRUDWRU FRLO DV LOOXVWUDWHG UD H WKH ILOWHU GULHU WR WKH LTXLG LQH RQWLQXH WKH GU QLWURJHQ SXUJH R QRW UHPRYH WKH ZHW UDJ XQWLO DOO EUD LQJ LV FRPSOHWHG PSRUWDQW 5HPRYH WKH ZHW UDJ EHIRUH VWRSSLQJ WKH GU QLWURJHQ SXUJH 1RWH 3UHFDXWLRQV VKRXOG EH WDNHQ WR DYRLG KHDW GDPDJH WR EDVH SDQ GXULQJ EUD LQJ W LV UHFRPPHQGHG WR NHHS WKH IODPH GLUHFWO RII RI WKH EDVH SDQ...

Page 14: ...not open the service valves until the refrigerant lines and indoor coil leak check and evacuation are complete 1 Evacuate until the micron gauge reads no higher than 350 microns then close off the valve to the vacuum pump 0350 Microns ON OFF 2 Observe the micron gauge Evacuation is complete if the micron gauge does not rise above 500 microns in one 1 minute 3 When evacuation is complete blank off ...

Page 15: ...lt t i in n p pe er rs so on na al l i in nj ju ur ry y a an nd d o or r p pr ro op pe er rt ty y d da am ma ag ge e E Ex xt tr re em me e c ca au ut ti io on n s sh ho ou ul ld d b be e e ex xe er rc ci is se ed d w wh he en n o op pe en ni in ng g t th he e S Su uc ct ti io on n a an nd d L Li iq qu ui id d L Li in ne e S Se er rv vi ic ce e V Va al lv ve e T Tu ur rn n v va al lv ve e s st te e...

Page 16: ...p Diagrams With TEM 3 4 6 8 Thermostat Air Handler Outdoor Unit R G B W1 W2 R B O Y X2 R G B C O Y W Blue 24 VAC HOT FAN 24 VAC Common SOV COOL HEAT 1st STAGE HEATING 2nd STAGE EMERGENCY HEAT Pink Black White X2 O Y With TAM 4 5 7 9 Thermostat Air Handler Outdoor Unit R G B W1 W2 R B O YO YO X2 R G B C O Yl W Blue O Yl 24 VAC HOT FAN 24 VAC Common SOV COOL HEAT 1st STAGE HEATING 2nd STAGE EMERGENC...

Page 17: ...22 High Voltage Disconnect Switch W WA AR RN NI IN NG G H HI IG GH H L LE EA AK KA AG GE E C CU UR RR RE EN NT T F Fa ai il lu ur 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 E Ea ar rt th h c co on nn ne ec...

Page 18: ... SRZHU WR WKH LQGRRU DQG RXWGRRU XQLWV ON OFF DLW RQH KRXU EHIRUH VWDUWLQJ WKH XQLW LI FRPSUHVVRU FUDQNFDVH KHDWHU DFFHVVRU LV XVHG DQG WKH 2XWGRRU PELHQW LV EHORZ 60 MIN 6HW WKH V VWHP WKHUPRVWDW WR 21 ON DONE CANCEL E El le ec ct tr ri ic ca al l L Lo ow w V Vo ol lt ta ag ge e N No on n C Co om mm mu un ni ic ca at ti in ng g ...

Page 19: ...tem must be operated for a minimum of 20 minutes to stabilize before accurate measurements can be made 4 Measure Liquid Line Temperature and Refrigerant Pressure at service valves 5 Determine total refrigerant line length and height lift if indoor section is above the condenser 6 Determine the Design Subcooling Charging Temperature from the unit nameplate 7 Locate this value in the appropriate col...

Page 20: ... 7DEOH 120 F 55 F RU EHVW UHVXOWV WKH LQGRRU WHPSHUDWXUH VKRXOG EH NHSW EHWZHHQ WR 80 F 70 F Table 25 Subcooling Charging Corrections HWHUPLQH WKH ILQDO VXEFRROLQJ YDOXH XVLQJ WRWDO LQH HQJWK DQG LIW 6HH 5HTXLUHG 5HIULJHUDQW LQH HQJWK DQG WKH 6XEFRROLQJ KDUJLQJ RUUHFWLRQV KDUWV 6XEFRROLQJ KDUJLQJ RUUHFWLRQ RUNVKHHW 7RWDO LQH HQJWK IW BBBBBBBBBBBBBBBBBBBBBBBB 7RWDO 9HUWLFDO KDUJH OLIW BBBBBBBBBBBBB...

Page 21: ...18 BC104D1 1B EN 21 Refrigerant Charging Chart 5 5 5 5 17 5 1 57 48 7 03 6 1 68 22 1 48 35 6685 36 ...

Page 22: ...ls 50 1 40 1 30 25 Use Design Subcooling 15 10 0 20 30 40 50 60 70 80 90 100 110 120 130 140 150 REFRIGERANT LINE LIFT FT SUBCOOL CHARGING CHART CORRECTIONS TABLE FOR LINE LENGTH AND RISE Add 4 TOTAL REFRIGERANT LINE LENGTH FT includes lift Add 2 Add 1 Add 1 Figure 3 5 0 Ton Models 50 1 40 1 30 25 Use Design Subcooling 15 10 0 1 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Add 4 Add 2 Add 1 Add...

Page 23: ...BBBBBBBBBBBBBBBBBBBBBBB 107 F Table 28 Verify Performance 5HIHU WR 6 VWHP 3UHVVXUH XUYHV LQ WKH 6HUYLFH DFWV GRFXPHQW WR YHULI W SLFDO SHUIRUPDQFH PRESSURE CURVE SAMPLE Cooling 1450 SCFM Heating 1350 SCFM DISCHARGE PRESSURE PSIG OUTDOOR TEMPERATURE Degree F SUCTION PRESSURE PSIG 110 115 120 125 130 135 140 145 150 155 160 165 170 40 60 80 100 120 200 250 300 350 400 450 500 550 40 60 80 100 120 1 ...

Page 24: ...UDQW LI WKH LTXLG DJH 3UHVVXUH LV KLJKHU WKDQ WKH FKDUW YDOXH 107 F Table 30 System Information 5HFRUG V VWHP SUHVVXUHV DQG WHPSHUDWXUHV DIWHU FKDUJLQJ LV FRPSOHWH 2XWGRRU PRGHO QXPEHU BBBBBBBBBBBBBBBBBBBBBBBB 0HDVXUHG 2XWGRRU PELHQW BBBBBBBBBBBBBBBBBBBBBBBB 0HDVXUHG QGRRU PELHQW BBBBBBBBBBBBBBBBBBBBBBBB 0HDVXUHG LTXLG LQH 7HPS BBBBBBBBBBBBBBBBBBBBBBBB 0HDVXUHG 6XFWLRQ LQH 7HPS BBBBBBBBBBBBBBBBBBB...

Page 25: ... VKLSPHQW GMXVW WXELQJ LI QHFHVVDU VR WXEHV GR QRW UXE DJDLQVW HDFK RWKHU RU DQ FRPSRQHQW ZKHQ XQLW UXQV տ XFWZRUN LV VHDOHG DQG LQVXODWHG տ OO GUDLQ OLQHV DUH FOHDU ZLWK MRLQWV SURSHUO VHDOHG 3RXU ZDWHU LQWR GUDLQ SDQ WR FRQILUP SURSHU GUDLQDJH 3URYLGH HQRXJK ZDWHU WR HQVXUH GUDLQ WUDS LV SULPHG տ 6XSSO UHJLVWHUV DQG UHWXUQ JULOOHV DUH RSHQ XQREVWUXFWHG DQG DLU ILOWHU LV LQVWDOOHG տ QGRRU EORZHU ...

Page 26: ...ltage present at contactor coil Replace contactor Check control transformer and control fuse Is the control transformer and fuse good Jumper R to Y low voltage terminals at thermostat sub base Does the contactor energize Replace the room thermostat Repair or replace transformer or fuse Investigate cause for failure possible short in field wiring Repair or replace connecting wiring NO Check ID Low ...

Page 27: ...18 BC104D1 1B EN 27 Troubleshooting Does a resistance check show an open circuit between R and S T Tr ro ou ub bl le es sh ho oo ot ti in ng g ...

Page 28: ...HRI Certified mark indicates Trane U S Inc participation in the AHRI Certification program For verification of individual certified products go to ahridirectory org Trane has a policy of continuous data improvement and it reserves the right to change design and specifications without notice We are committed to using environmentally conscious print practices 2020 Trane 18 BC104D1 1B EN 02 Apr 2020 ...

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