Trane Axiom DXH Installation, Operation And Maintenance Manual Download Page 74

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WSHP-SVX014F-EN

Table 49.

Troubleshooting table (continued)

Problem

Hea-

ting

Cool-

ing

Cause

Correction

High head pressure

Trash in heat exchanger

Backflush

Low water flow

Increase GPM

Overcharge of refrigerant

Decrease charge

Non-condensable in system

Evacuate and recharge by weight

Water too hot

Decrease temperature

Dirty filter

Clean / replace

Inadequate air flow

Check, clean blower and coil

Low suction pressure

Undercharged

Locate leak, repair and recharge

Restricted thermal expansion valve

Repair / replace

Inadequate air flow

Check, clean blower and coil

Dirty filter

Clean/replace

Inadequate GPM

Increase GPM

Low pressure switch open

Inadequate GPM

Increase GPM

Water too cold

Increase temperature

Inadequate air flow

Increase CFM

Dirty filter

Clean/replace

Undercharged with refrigerant

Increase charge

Defective pressure switch

Replace

Heat transfer fluid too cold

Raise water temperature

Summary of Contents for Axiom DXH

Page 1: ...an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature and on the tags stickers and labels that are attached to the equi...

Page 2: ...a ar r p pr ro op pe er r P PP PE E f fo or r t th he e j jo ob b b be ei in ng g u un nd de er rt ta ak ke en n c co ou ul ld d r re es su ul lt t i in n d de ea at th h o or r s se er ri io ou us s...

Page 3: ...in ng g e et tc c W Wh he er re e l lo oc ca al l r re eg gu ul la at ti io on ns s a ar re e m mo or re e s st tr ri in ng ge en nt t t th ha an n t th he es se e p po ol li ic ci ie es s t th ho os...

Page 4: ...w Voltage Wiring AC Requirements 26 Filter Installation 26 Supply Air Ductwork 27 Return Air Ductwork 27 Ducted Panel 27 Ducted Filter Rack 28 Dual Filtration DXH 2 to 6 tons EXH 0 5 to 6 ton 29 Sound...

Page 5: ...list and Log 54 Operating Pressures 54 Water Pressure Drop 67 Water Volume 68 Maintenance 70 Preventative Maintenance 70 Condensate Trap 71 Troubleshooting 72 Deluxe Controls 72 Wiring Diagrams 75 War...

Page 6: ...Supply Air Arrangement R Right Supply Air Arrangement T Top Supply Air Arrangement Digit 16 Return Air Arrangement L Left Return Air Arrangement R Right Return Air Arrangement Digit 17 Control Types D...

Page 7: ...ol Types B Tracer ZN524 Controls D Deluxe 24V Controls H UC400 B J UC400B w Air Fi Wireless Communications Digit 18 Tstat Sensor Location 0 Wall Mounted Location Digit 19 Fault Sensors 1 Condensate Ov...

Page 8: ...ation with qualified experienced HVAC technicians to properly diagnose and repair this equipment Unit Nameplate The unit nameplate is located on the outside of the control box access panel at the fron...

Page 9: ...24V control design will incorporate a microprocessor based control board The Trane microprocessor board is factory wired to a terminal strip to provide all necessary terminals for field connection Th...

Page 10: ...setting of 25 35 45 55 and 60 degrees The compressor operation will return to normal operation when the loop temperature rises 5 degrees above the setpoint Table 2 Refrigerant charge EXH EXV Model 60...

Page 11: ...l l a at tt te en nt ti io on n S Sk ki in n C Co on nt ta ac ct t W Wa as sh h a af ff fe ec ct te ed d a ar re ea as s g ge en nt tl ly y w wi it th h s so oa ap p a an nd d w wa ar rm m w wa at te...

Page 12: ...from the elements Make provisions for continuous venting of the covered units to prevent moisture from standing on the unit s surfaces Wet interior unit insulation can become an amplification site fo...

Page 13: ...RIGHT RETURN BACK SUPPLY UNIT FRONT RIGHT RETURN LEFT SUPPLY RIGHT RETURN RIGHT SUPPLY UNIT FRONT UNIT FRONT 3 14 14 14 14 14 14 14 14 14 14 36 36 36 36 36 36 A minimum 14 inch clearance for servicin...

Page 14: ...lter rack and any obstacle should be provided to properly attached ductwork The 1 inch dimension shown in the back of the unit represents the supply duct collar for the back supply option This clearan...

Page 15: ...SS HI VOLT L W O Q M W I LO VOLT WCI mounting location Table 5 Dimensional data left return back supply EXH DXH Unit A B C D a E F x G H J K L NPTI M NPTI N P Q R b S EXHF006 009 40 20 15 20 15 6 7 8...

Page 16: ...21 3 4 16 5 8 18 1 2 4 1 4 EXHF030 EXHF DXHF036 50 25 19 25 20 10 1 2 x 13 1 2 17 4 1 3 4 3 4 48 3 4 23 3 4 17 5 8 23 1 2 3 1 4 EXHF042 060 DXHF048 060 58 33 21 29 1 2 23 1 2 13 7 8 x 13 7 8 18 5 1 4...

Page 17: ...DXH TOP BACK LEFT SIDE FRONT RIGHT SIDE B P N A C H H E D J 1 K 1 3 8 7 DRAIN 3 4 NPTI BLOWER ACCESS PANEL F X G OPENING COMP CONTROL ACCESS HI VOLT L W O M W I LO VOLT 14 Q R S 1 1 2 6 3 4 WCI mount...

Page 18: ...13 1 2 4 3 4 1 3 8 3 4 3 4 44 3 4 21 3 4 16 5 8 18 1 2 4 1 4 EXHF030 EXHF DXHF036 50 25 19 25 20 10 1 2 x 13 1 2 17 4 1 3 4 3 4 48 3 4 23 3 4 17 5 8 23 1 2 3 1 4 EXHF042 060 DXHF048 060 58 33 21 29 1...

Page 19: ...17 x 20 3 4 3 4 3 4 EXVG018 EXVG DXVG024 21 50 26 00 38 00 13 25 6 25 0 63 3 50 11 80 11 30 16 25 18 x 23 3 4 3 4 3 4 EXVG030 EXVG DXVG036 24 00 32 50 42 00 17 75 7 25 0 75 3 50 13 70 13 50 18 25 20...

Page 20: ...3 4 3 4 3 4 EXVG030 EXVG DXVG036 24 00 32 50 42 00 17 75 7 25 0 75 3 50 13 70 13 50 18 25 20 x 30 1 1 3 4 EXVG042 EXVG DXVG048 25 40 32 50 49 00 17 75 7 25 0 75 3 50 13 70 13 50 18 25 27 x 30 1 1 3 4...

Page 21: ...9 1 2 2 1 4 6 3 8 1 1 8 2 4 23 1 2 EXHF042 060 DXHF048 060 EXHF DXHF070 1 1 22 7 8 19 5 8 2 3 4 16 1 2 33 1 2 5 6 1 8 1 1 8 2 4 3 8 23 1 2 Figure 12 Waterside economizer EXVG DXVG Table 13 Dimensional...

Page 22: ...1 2 8 5 27 5 18 25 17 75 20 75 5 0 7 88 3 5 0 63 4 25 15 75 EXVG015 C 3 4 3 4 8 5 29 0 19 25 19 75 22 75 5 0 7 88 3 5 0 63 4 25 16 75 EXVG018 024 DXVG024 D 3 4 3 4 8 5 32 0 21 75 21 75 24 75 5 0 7 88...

Page 23: ...B C D E Hanging Weight Shipping Weight EXHF006 015 38 3 4 18 3 4 22 1 8 17 1 2 7 8 44 lbs 95 lbs EXHF018 EXHF DXHF024 44 3 4 21 3 4 24 1 8 20 3 4 0 52 lbs 103 lbs EXHF030 EXHF DXHF036 48 3 4 23 3 4 2...

Page 24: ...mp pr ro op pe er r U Un ni it t L Li if ft t F Fa ai il lu ur re e t to o p pr ro op pe er rl ly y l li if ft t u un ni it t i in n a a L LE EV VE EL L p po os si it ti io on n c co ou ul ld d r re e...

Page 25: ...e 15 Weight distribution DXH 2 to 6 tons EXH 0 5 to 6 tons 20 20 30 30 BLOWER HOUSING AND MOTOR DRAIN LINE PLASTIC DRAIN PAN INTERNAL AIR COIL CO AXIAL HEAT EXCHANGER COMPRESSOR CONTROL BOX 4 WAY VALV...

Page 26: ...it Be certain the refrigerant tubing has clearance from adjacent parts 6 Fabricate and install duct work 7 Install and connect a condensate drain line and trap to the drain connection Main Electrical...

Page 27: ...zontal equipment only with the use of 4 5 16 in 7 94 mm factory supplied head screws The vertical equipment factory ships with the filter rack and filter s installed When attaching the field ductwork...

Page 28: ...r EXVG DXVG continued Unit Size 60 hz A in B in Duct Collar Part Number EXVG018 024 DXVG024 23 in 18 5 in WSHPPN D00004 EXVG030 036 DXVG036 29 5 in 20 5 in WSHPPN D00005 EXVG042 048 DXVG048 29 5 in 27...

Page 29: ...horizontal unit the pad should be approximately twice the size of the unit foot print For the vertical unit the pad should be 0 5 in 12 7 mm thick and equal to the overall unit foot print Hanging the...

Page 30: ...to stop water flow to the unit during non operation times This allows the loop water pumps to run only when a requirement for pumping is needed for greater energy efficiency of the overall system desi...

Page 31: ...E a an nd d E EL LE EC CT TR RO OC CU UT TI IO ON N h ha az za ar rd ds s T To o a av vo oi id d t th he es se e h ha az za ar rd ds s y yo ou u M MU US ST T f fo ol ll lo ow w r re eq qu ui ir re em...

Page 32: ...e commercial thermostat for conventional air conditioners and heat pumps that are configured with or without auxiliary heat 3 H 2 C X13511537010 3 Heat 2 Cool programmable commercial thermostat for co...

Page 33: ...t pump with auxiliary heat The XL824 can be connected to the Nexia Home App and other home automation systems Table 26 Zone sensor selection for use with Tracer ZN524 and UC400 controller Sensor Part...

Page 34: ...sor Tracer UC400 and ZN524 compatible X13790993001 Commercial Touch Screen Programmable Zone Sensor Supports Standby Occupied and Unoccupied 7 day 5 2 day and 5 1 1 day Cannot be used with BAS as sens...

Page 35: ...ic ci ie en nt t A AC C v vo ol lt ta ag ge e s su up pp pl ly y D Do o n no ot t e ex xc ce ee ed d t th hr re ee e 3 3 o oh hm ms s p pe er r c co on nd du uc ct to or r f fo or r t th he e l le en...

Page 36: ...e t to o d di is sc co on nn ne ec ct t p po ow we er r b be ef fo or re e s se er rv vi ic ci in ng g c co ou ul ld d r re es su ul lt t i in n d de ea at th h o or r s se er ri io ou us s i in nj ju...

Page 37: ...le Plug Installation 1 Locate two Hayco plastic plugs enclosed with the Installation Operation and Maintenance manual 2 Use these plugs to plug the two shipping bolt holes in the bottom of the units a...

Page 38: ...low speed value will be displayed If running in GH the high speed value will be displayed If both GH and GL input signals are present the PWM output value will be the GH value Waterside Economizer Ins...

Page 39: ...ing of a water side economizer to a water source heat pump DXH V 2 to 6 ton units EXH 0 5 to 6 ton units 1 Remove the control side service panel of the water source heat pump unit 2 Remove rubber isol...

Page 40: ...conomizer the boilerless control board is factory set to 45 F Figure 37 Step 7 8 Thread the bulb and wire through the low voltage hole of the water source heat pump Refer the figure below Figure 38 St...

Page 41: ...rol panel RED 1TB1 14 BLK 1TB1 18 WHT 1TB1 15 Figure 42 Step 12 13 Bundle excess valve wire and wire tie the bundle neatly Figure 43 Step 13 14 Install control side service panel 15 Install the hangin...

Page 42: ...r hanging of the packaged unit Bottom screws referenced in Step 4 must be installed at this time 19 Field pipe the drain lines of the waterside economizer and water source heat pump together prior to...

Page 43: ...y excess wire and wire tie the bundle neatly Direction of rotation is reversible with switch 7 Insulate the economizing piping package and the associated hoses via field pipe insulation Insulating the...

Page 44: ...de Economizer Part Number 030 036 4476 1420 0001 042 070 4476 1421 0001 EXVG DXVG Unit 60 Hz Waterside Economizer Part Number 009 012 WSHPECN00002 015 WSHPECN00003 018 024 WSHPECN00004 030 036 WSHPECN...

Page 45: ...uld be noted The blower and compressor operation should be smooth with no frost observed in the refrigeration circuit 10 Check the heating refrigerant pressures against values in Operating Pressures p...

Page 46: ...psi 200 psi 0 F to 250 F 18 C to 121 C Non spring return type 24 Vac 20 135 second stroke time 30 Cv at full port Note The valve body is constructed from forged brass with nickel plating with the ball...

Page 47: ...1 9 42 6 3 30 0 0 72 1 3 11 77 15 2 0 8 7 EXHF012 265 60 1 5 72 5 0 23 0 0 72 1 3 6 97 15 0 0 0 0 EXHF012 265 60 1 10 72 5 0 23 0 0 72 1 3 13 40 15 2 7 10 0 EXHF015 208 60 1 8 79 7 9 36 0 0 89 1 3 10...

Page 48: ...0 4 40 3 4 26 78 40 0 0 0 0 EXHF042 208 60 1 35 65 17 9 112 0 4 40 3 4 44 56 45 6 5 31 3 EXHF042 230 60 1 22 30 17 9 112 0 4 40 3 4 26 78 40 0 0 0 0 EXHF042 230 60 1 39 18 17 9 112 0 4 40 3 4 48 98 50...

Page 49: ...26 25 10 6 13 3 EXVG009 208 230 60 1 4 2 3 6 27 0 0 6 1 3 6 6 15 15 0 0 0 0 EXVG009 265 60 1 3 5 3 0 22 0 0 5 1 3 5 15 0 0 0 0 EXVG012 208 230 60 1 6 6 5 7 27 0 0 9 1 3 8 8 15 15 0 0 0 0 EXVG012 265 6...

Page 50: ...1 3 18 25 30 0 0 0 0 DXHF024 230 60 1 19 4 13 0 58 3 2 0 1 3 24 24 30 4 0 17 4 DXHF024 265 60 1 12 1 10 1 54 0 2 0 1 3 14 63 20 0 0 0 0 DXHF024 265 60 1 22 0 10 1 54 0 2 0 1 3 27 50 30 5 3 20 0 DXHF02...

Page 51: ...45 8 0 20 1 DXHF060 460 60 3 14 1 8 1 52 0 6 0 1 16 13 20 0 0 0 0 DXHF060 460 60 3 19 3 8 1 52 0 6 0 1 24 13 25 10 6 13 3 DXHF070 208 60 1 39 8 33 1 179 2 6 7 1 48 08 80 0 0 0 0 DXHF070 208 60 1 39 8...

Page 52: ...35 35 0 0 0 0 DXVG060 460 60 3 8 3 6 4 41 0 1 9 1 10 15 0 0 0 0 DXVG070 208 230 60 1 31 9 26 9 139 9 5 0 1 39 39 60 60 0 0 0 0 DXVG070 208 230 60 3 21 5 16 5 110 0 5 0 1 26 26 40 40 0 0 0 0 DXVG070 46...

Page 53: ...Source Heat Pump Systems Installation Guide Is vibration isolation provided i e unit isolation pad hose kits Is unit serviceable See clearance specifications in Unit Dimensions and Weights Are the low...

Page 54: ...ating refrigerant pressures against values in Operating Pressures p 54 12 Set the thermostat to maintain the desired space temperature 13 Instruct the owner on system operation Table 36 Checklist MODE...

Page 55: ...372 5 6 20 30 DXHF036 45 6 70 119 137 166 212 13 17 21 27 94 108 308 392 8 10 25 35 DXHF036 45 8 40 119 137 160 203 10 13 21 27 97 111 314 399 6 8 26 36 DXHF036 55 6 70 121 139 193 246 13 17 21 27 109...

Page 56: ...12 15 20 26 160 185 441 561 12 15 45 57 DXHF060 85 14 00 122 141 278 354 9 12 20 26 167 192 453 576 10 13 47 60 DXHF060 95 11 20 124 143 325 414 11 14 20 25 DXHF060 95 14 00 124 143 317 404 9 12 20 25...

Page 57: ...13 22 28 148 170 314 399 8 10 27 37 DXVG036 68 9 00 143 164 237 301 8 11 23 28 152 175 317 403 7 8 27 37 DXVG036 75 7 20 145 166 265 338 10 13 22 28 163 187 326 415 9 11 29 39 DXVG036 75 9 00 145 166...

Page 58: ...70 45 14 00 130 150 171 218 11 14 23 28 107 123 296 376 6 7 20 30 DXVG070 45 17 50 130 150 167 213 8 11 23 28 110 126 298 379 5 6 21 30 DXVG070 55 14 00 132 151 199 254 10 13 22 28 122 140 312 397 6 8...

Page 59: ...63 10 13 21 27 130 150 309 393 7 8 27 35 EXHF009 68 1 70 146 168 258 328 12 15 20 26 153 176 330 420 9 12 31 39 EXHF009 68 2 10 146 168 250 318 10 12 21 26 157 181 335 427 8 10 32 40 EXHF009 75 1 70 1...

Page 60: ...04 282 357 6 7 21 26 EXHF018 35 4 20 93 107 285 360 5 6 21 27 EXHF018 45 3 30 143 164 158 206 12 15 23 29 106 122 306 385 7 9 24 30 EXHF018 45 4 20 142 164 151 197 9 12 23 29 109 125 309 388 5 7 24 31...

Page 61: ...2 40 EXHF030 75 7 00 143 165 248 322 9 12 20 26 167 192 352 444 8 10 32 41 EXHF030 86 5 50 146 168 297 384 11 15 19 25 187 215 368 465 11 14 34 43 EXHF030 86 7 00 145 167 288 373 9 11 20 25 194 223 37...

Page 62: ...138 319 402 8 10 26 33 EXHF048 55 11 20 137 158 195 251 9 12 21 27 123 142 323 407 6 8 27 34 EXHF048 68 8 80 139 160 245 315 12 15 20 26 145 166 353 443 9 12 30 38 EXHF048 68 11 20 139 160 237 305 9 1...

Page 63: ...25 EXHF070 95 15 40 138 159 326 421 9 12 20 25 EXVG009 32 1 80 94 108 256 326 4 5 13 21 EXVG009 32 2 25 96 110 257 327 3 4 13 22 EXVG009 45 1 80 137 157 170 217 10 13 23 28 115 132 274 348 5 7 19 28...

Page 64: ...42 EXVG015 75 3 00 140 161 268 341 12 15 23 28 164 189 333 424 10 12 33 44 EXVG015 75 3 75 140 161 260 331 9 12 23 28 169 194 337 429 8 10 34 45 EXVG015 86 3 00 143 164 306 389 12 15 22 28 190 218 35...

Page 65: ...292 371 5 7 23 32 EXVG030 55 6 00 136 157 204 259 12 15 25 30 124 143 310 395 8 10 26 36 EXVG030 55 7 50 136 156 197 251 9 12 25 30 128 147 313 399 6 8 27 37 EXVG030 68 6 00 138 159 245 312 12 15 24...

Page 66: ...EXVG042 95 8 40 146 168 340 433 10 12 21 26 EXVG042 95 10 50 146 168 333 424 8 10 21 26 EXVG048 32 9 60 87 100 261 332 5 6 16 25 EXVG048 32 12 00 89 102 262 334 4 5 16 25 EXVG048 45 9 60 137 157 181...

Page 67: ...33 EXVG070 68 14 00 138 158 239 304 10 13 22 27 144 166 335 427 8 10 27 37 EXVG070 68 17 50 138 158 233 296 8 10 22 27 148 171 338 431 7 8 28 38 EXVG070 75 14 00 140 161 261 333 10 12 22 27 158 182 3...

Page 68: ...8 17 5 10 0 Table 42 Heating water pressure drop WPD in feet of head for EX units Unit Size 60 Hz EWT F GPM Ft Pressure EXHF006 68 1 8 4 2 EXHF009 68 2 1 3 9 EXHF012 68 2 8 4 1 EXHF015 68 3 5 5 7 EXHF...

Page 69: ...8 0 052 0 389 EXHF024 89 8 0 052 0 389 EXHF030 89 8 0 052 0 389 EXHF036 171 2 0 099 0 741 Table 44 Water volume for EX units continued Unit Size 60 Hz Water Side Volume in3 Water Side Volume ft3 Wate...

Page 70: ...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 h ha av ve e a a q qu ua al li if fi ie ed d l li ic ce en ns se ed d e el le ec ct tr ri ic ci ia an n o or r...

Page 71: ...re ed d F Fo or r p pe er rs so on na al l s sa af fe et ty y r re ef fe er r t to o t th he e c cl le ea an ni in ng g a ag ge en nt t m ma an nu uf fa ac ct tu ur re er r s s M Ma at te er ri ia al...

Page 72: ...s s b be ef fo or re e s se er rv vi ic ci in ng g F Fo ol ll lo ow w p pr ro op pe er r l lo oc ck ko ou ut t t ta ag go ou ut t p pr ro oc ce ed du ur re es s t to o e en ns su ur re e t th he e p p...

Page 73: ...ks in ductwork Repair leaks X Introduction of excessively hot return air Correct X Introduction of excessively cold return air Correct X X Low on refrigerant charge Locate leak repair and recharge by...

Page 74: ...blower and coil Low suction pressure X X Undercharged Locate leak repair and recharge X X Restricted thermal expansion valve Repair replace X Inadequate air flow Check clean blower and coil X Dirty f...

Page 75: ...UXE CONTROLS HEAT PUMP w HOT GAS REHEAT AND ECM MOTOR THREE PHASE GEVG or EXVG 231158510001 DELUXE CONTROLS HEAT PUMP w WATER SIED ECONOMIZER AND ECM MOTOR THREE PHASE GEVG or EXVG 231158520001 DELUXE...

Page 76: ...76 WSHP SVX014F EN Figure 51 DXH Units ZN524 control 1 ph W Wi ir ri in ng g D Di ia ag gr ra am ms s...

Page 77: ...WSHP SVX014F EN 77 Figure 52 DXH Units Deluxe 24V control 1 ph W Wi ir ri in ng g D Di ia ag gr ra am ms s...

Page 78: ...78 WSHP SVX014F EN Figure 53 DXH Units ZN524 control 3 ph W Wi ir ri in ng g D Di ia ag gr ra am ms s...

Page 79: ...WSHP SVX014F EN 79 Figure 54 DXH Units Deluxe 24V control 3 ph W Wi ir ri in ng g D Di ia ag gr ra am ms s...

Page 80: ...80 WSHP SVX014F EN Figure 55 DXH Units UC400 W Wi ir ri in ng g D Di ia ag gr ra am ms s...

Page 81: ...WSHP SVX014F EN 81 Figure 56 EXH deluxe 24V 460V 60 Hz 3 ph a ECM motor wiring diagram W Wi ir ri in ng g D Di ia ag gr ra am ms s...

Page 82: ...82 WSHP SVX014F EN Figure 57 EXH Tracer ZN524 460V 60 Hz 3 ph a ECM motor wiring diagram W Wi ir ri in ng g D Di ia ag gr ra am ms s...

Page 83: ...m shipment There is a standard 5 year compressor warranty Extended Warranty The optional extended warranty is a second through fifth year warranty The time starts at the end of the standard 1 year cov...

Page 84: ...more information please visit trane com or tranetechnologies com Trane has a policy of continuous product and product data improvements and reserves the right to change design and specifications with...

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