Carrier 38BNB018-036 Unit installation
Contents
1. A CAUTION Do not wash filter in water over 120 F to avoid shrinkage Do not expose filter to fire to avoid fire damage Do not expose filter to direct sunlight Clean filter more frequently when air is extremely dirty A CAUTION Do not attempt to clean or service components in control box To Clean the Indoor Unit Front Panel If the front panel of the unit becomes dirty or smudged wipe the out side of the panel with a soft dry cloth Use a mild liquid deter gent and wipe off carefully with a dry cloth To Clean Indoor Coil To clean the coil remove indoor unit front panel and vacuum the coil fins using care not to bend or damage fins LUBRICATION The indoor fan automatic air sweep and the outdoor fan motors are factory lubricated and require no oiling Air Filters for 38BNB BNE Outdoor Units and 40BNB BNE Indoor Units A CAUTION Operating your system with dirty air filters may damage the indoor unit and in addition can cause reduced perfor mance intermittent system operation frost build up on the indoor coil and blown fuses Inspect and clean or replace the air filters monthly TO REMOVE AIR FILTERS Remove filters by pulling them straight out TO CLEAN OR REPLACE FILTERS Filters can be vac uumed or washed in warm water Shake filter to remove any excess water and replace by sliding filter behind grille until filter snaps in place If the filter has begun to break down or is torn re2. 389 Table7 40BNB BNE Thermistor TH 1 TH 2 and TH 3 Temperature to Resistance Conversion cont TEMPEATUBE TOLERANCE TOLERANCE RESISTANCE RESISTANCE RESISTANCE F a Ko Ko K9 100 4 38 J eo s 308 68107 3 277 102 2 o eo i1 296 83002 3 169 104 0 40 eso sx 2897 2961 3 066 105 8 4 J eo S 1 ST 2954 O 2 966 107 6 42 as20 4 26m 2770 2 870 109 4 43 J ez z 258 2678 2 777 111 2 AO eae 259 2 688 113 0 45 o 32 Y 42m 207 2 2 602 114 8 ls ezo 12 239 2429 2 520 116 6 Ao 0 esoo 8 2 2es gt 232 2 441 118 4 48 s23 g 21 2 227 2 364 120 2 49 es s 2172 2208 2 291 122 0 50 y gt lo ee gt 205 gt aer O 2 220 123 8 51 23 s 190 207 2 151 125 6 82 223 s18 o 192 200 2 085 127 4 83 gt 323 8 8 18607 1943 e 2 021 129 2 54 s23 13 189 tees 1 950 131 0 95 es J 4 J 173 1820 1 900 132 8 86 x25 14 169 1770 1 842 134 6 57 es m4 167 t7 1 787 136 4 58 ss m4 1597 1565 1 734 138 2 89 s25 J s14 159 605 1 683 140 0 eo y es o o a y os o 1567 1 633 141 8 O a a 5 el er el 1 585 143 6 48 0 x
3. the customer wR wh CARE AND MAINTENANCE The following may be performed by the equipment owner 38BNB BNE Outdoor Units A WARNING Before performing recommended maintenance be sure unit main power switch is turned off Failure to do so may result in electric shock or injury from rotating fan blade CLEANING COILS Coil should be washed out with water or blown out with compressed air Clean coil annually or as required by location and outdoor air conditions Inspect coil monthly and clean as required Fins are not continuous through coil sections Dirt and debris may pass through first section become trapped between the row of fins and restrict outdoor unit airflow Use a flashlight to determine if dirt or debris has collected between coil sections Clean coil as follows 1 Turn off unit power and install lockout tag 2 Using a garden hose or other suitable equipment flush coil from the outside to remove dirt Be sure to flush all dirt and debris from drain holes in base of unit Fan motors are waterproof 40BNB BNE Indoor Units A CAUTION To avoid the possibility of electric shock before performing any cleaning and maintenance operations always turn off power to the system by pressing the mode button on the remote control until the display shows OFF and turn off the separate disconnect switch located near the unit If the indoor unit is on a separate switch be sure to turn this dis connect off as well
4. the frame off the top of the unit 4 Remove the two screws from the control box cover and take off the cover See Fig 8 Save the screws to reassemble 5 Once all covers are off mount the unit onto the wall mounting bracket See Fig 9 NOTE Leave covers off until after the Making Drainage Connections section 6 Route the interconnecting unit s electric cable and the outdoor sensor cable toward the lower right hand corner of the indoor unit Fig 3 Refrigerant Lines Main Screw y 38 40BN018 024 a 2 in 50 mm b 2 6 in 65 mm 38 40BN030 gt Fasten 7 a a Lo Tubing i Fig 4 Mounting Bracket OUTDOOR SENSOR REFRIGERANT 3 N CABLE LINES ES 1 2 1N MIN INDOOR OUTDOOR ELECTRICAL DRAINAGE CABLE TUBE Fig 5 Drill Holes 7 Strip the cables back 4 inch 8 Make sure that the wires are connecting in accordance with the wiring diagram on the inside of the unit front cover or within this instruction manual 9 Secure the control cables in the upper strain relief and the power cables in the lower strain relief 10 For heat pump systems only connect the outdoor sensor TH3 to its mating black terminal See Fig 10 11 For size 030 units only use the two colored 1 5 in cap screws and two nickel plated l 5 in cap screws to secure the base of the unit to the bottom of the wall mounting bracket Use the colored screws in the screw holes that w
5. to separate power source depend SW Sweep Motor Terminal Block ing on service requirements Fig 14 Heat Pump System Wiring Schematic 40BNE030 Fan Coil with 38BNE030 Condensing Unit OI C CC INDOOR UNIT OUTDOOR UNIT 24 VAC RELAY F Contactor Compressor Capacitor COMP Compressor FC GND IFM OFM SW TB Fan Capacitor Ground Indoor Fan Motor Outdoor Fan Motor Sweep Motor Terminal Block LEGEND TH Thermistor Thermostat D O e Terminal Marked Splice Terminal Unmarked Terminal Block A ee Li bu pe de wm ie AS a mmmmwmi viti Factory Wiring Field Control Wiring am m Field Power Wiring Accessory or Optional Wiring NOTES 1 2 3 4 If any of the original wire furnished must be replaced it must be replaced with Type 90 C wire or its equivalent Wire in accordance with National Electrical Code NEC and local codes Compressor and fan motors are protected by internal thermal overloads Indoor unit shown with power source from outdoor unit Indoor unit may be wire
6. 0 0 EER 9 6 9 5 9 1 SYSTEM CHARGE Ib 3 1 47 MOISTURE REMOVAL pt hr 8 0 AIRFLOW High C m 726 726 700 DIMENSIONS H x L x W in 11 63 x 42 50 x 7 28 11 63 x 42 50 x 7 28 12 0 x 55 0 x 7 5 NET WEIGHT Ib 66 0 OUTDOOR UNIT 38BNB 018 38BNB 024 38BNB 030 TUBE CONNECTIONS Mixed Phase Suction in Ya Vo fg 3 8 3g 5 g Vert Lift Vert Drop Max Length ft 66 66 130 66 66 130 66 66 130 NOMINAL LINE SIZING Mixed Phase Suction in W4 1Mo 3 g 5 g 3 g 5 g DIMENSIONS H x L x W in 21 25 x 28 75 x 10 44 25 18 X 35 44 x 12 28 25 38 x 45 0 x 15 88 NET WEIGHT Ib 165 0 LEGEND EER Energy Efficiency Ratio SEER Seasonal Energy Efficiency Ratio Units are shipped with a factory charge based on 10 to 50 ft of refrigerant lines Table 3 Physical Data Heat Pump INDOOR UNIT 40BNE 018 40BNE 024 40BNE 030 COOLING CAPACITY Btuh 18 000 22 600 28 000 SEER 10 0 10 5 10 0 EER 9 6 9 5 9 1 HEATING CAPACITY Btuh 18 600 22 800 28 000 HSPF 6 8 7 7 0 COP 2 9 2 8 2 8 SYSTEM CHARGE Ib 4 7 MOISTURE REMOVAL pt hr 8 0 AIRFLOW High Cfm 726 726 700 DIMENSIONS H x L x W in 295 x 1020 x 185 295 x 1020 x 185 304 x 1397 x 191 NET WEIGHT Ib 44 OUTDOOR UNIT 38BNE 018 38BNE 024 38BNE 030 TUBE CONNECTIONS Mixed Phase Suction in 1 4 3 g 9fg 3fg 9 g Vert Lift Vert Drop Max Length ft 66 66 130 66 66 130 66 66 130 NOMINAL LINE SIZING Mixed Phase Suction in Ya 1 3 g 5 g 3 g 5 g DIMENSIONS HxL x W in 21 25 x 2
7. 38BNB BNE 40BNB BNE018 030 Duct Free Systems Installation Start Up and Service Instructions CONTENTS Page SAFETY CONSIDERATIONS 1 GENERAL A eee rebos 1 4 INSTALLATION sese 4 11 40BNB BNE Indoor Unit Installation 4 38BNB BNE Outdoor Unit Installation 6 Power Supply 0 2 e ccc eee eee eee q Leak Test aa et 7 START UP co cui card bo e ao 12 System Checks 0 0 0 0 0 20 0 ccc ccc cece 12 CARE AND MAINTENANCE 12 38BNB BNE Outdoor Units 12 40BNB BNE Indoor Units 12 To Clean the Indoor Unit Front Panel 12 To Clean Indoor Coil 00 00 0002 eee 12 Air Filters for 38BNB BNE Outdoor Units and 40BNB BNE Indoor Units 12 SERVICE eee et eite eire ds es 12 TROUBLESHOOTING 13 16 SAFETY CONSIDERATIONS Installing starting up and servicing air conditioning equip ment can be hazardous due to system pressures electrical components and equipment location roofs elevated struc tures etc Only trained qualified installers and service mechanics should install start up and service this equipment Untrained personnel can perform basic maintenance func tions such as cleaning coils All other operations should be performed by trained service personnel When working on the eq
8. 8 75 x 10 44 25 18 x 35 44 x 12 28 25 38 x 45 0 x 15 88 SHIPPING WEIGHT Ib 145 0 165 0 LEGEND COP Coefficient of Performance EER Energy Efficiency Ratio HSPF Heating Seasonal Performance Factor SEER Seasonal Energy Efficiency Ratio Units are shipped with a factory charge based on 10 to 50 ft of refrigerant lines NOTE Standard Ambient Operating Limitations 55 F to 125 F 12 7 C to 51 6 C i I __ 0 2m a 0 2m min min Fig 2 40BNB BNE Indoor Unit Clearances INSTALLATION Plan the installation carefully to avoid component failures and make installation easier 40BNB BNE Indoor Unit Installation REFRIGERANT LINE ROUTING The refrigerant lines may be routed in any of the four directions shown in Fig 3 INSTALL THE MOUNTING BRACKET l Carefully remove the mounting bracket which is connected to the back of the indoor unit s metal base with 3 screws NOTE Size 030 units have four If in cap screws 2 col ored and 2 nickel plated Keep these for later use Position the mounting bracket on the wall and level it using a spirit level see Fig 2 for minimum required clearance distances 3 Mark the four drilling holes on the wall as they appear in Fig 4 4 Drill the holes insert the w
9. Cool mode Also note that each 15 minutes maximum the com pressor will be switched on minimally for 3 minutes Only Indoor Fan Motor and Overload safety device on compressor is cut out Switch off power and try again after one hour Outdoor Fan Motor are Working due to high temperature oe and or Heating Takes Compressor run capacitor is burnt Replace compressor run capacitor gt Compressor winding shorted Replace compressor No Air Supply at Indoor Unit Indoor fan motor is blocked or turns slowly 1 Check voltage Repair wiring if necessary Compressor Operates 2 Check indoor fan wheel if tight on motor shaft Tighten if necessary Replace indoor fan motor capacitor Replace indoor fan motor Normal software delay maximum of 20 sec Clean filters Low Capacity Lack of most Ice formation on the evapora Unit must be charged according to the nameplate tor coll after localizing the gas leak Clogged air filters Clean filters In Heat Mode Only Compressor A C operating in defrost cycle Wait 10 minutes maximum until the unit resumes Runs Outdoor and Indoor Fan normal operation Motors are Stopped Water Accumulates and Drain pan pipe or hose is clogged or the spout of Disassemble plastic drain pipe from spout of evapora Overflows from Evaporator drain pan is clogged tor drain pan Flush with clean water Drain Pan Unit Does Not Operate in Desired The unit is in the Auto emergency mode Push button
10. H JH YH I IH H H Papa a papa pa o ojoljol joj jo H Hn H Hn uu rf iafajafa o HW H IH JH TH pu sfoufufiufifi eog Koog Kori Kor Keri Eeri Eeri Eeri HD HD HID H jH H n w w aje H pH it a Fa oo Reon Fee 36 37 ee oe ee wolwlololn rot rot ro wlll lwelalalalapalapalalala Lids do kl a Ul cdo ee ee ota re re WIM Aloo NI oT co m Jojejolj o o 5 o m o N wm N eo 2 m o 2 o I H mn ojojo H 4 E Mo NOTE Resistance tolerance 3 TEMPERATURE TOLERANCE 11 aa a Laai Ladi Ladi i 2 Pra oa ra r Pa Pa HEN DEA EY G PET PEA PEN AT A ry m T a RL o o o o o o M L rafa A sa Pra fa G ad af HIH i i fE PR JR TR JR PR PR PR JA j DE DU jH LU ATOLTOLOLOLOPLOSOLOlSOLOLOLTOl OyOy oy yo o ovJjuv jvjdovoljxvlvojvivo ovoj voljo o dovoluvojvo voljojo oj o oj ojojoj oj oj o o o o o o o ra pan n n afofojojojo o n MINIMUM MEAN RESISTANCE RESISTANCE KQ KO MAXIMUM RESISTANCE Ko 34 05 32 45 30 94 29 51 28 15 26 87 25 66 24 50 23 41 22 38 21 40 20 45 19 56 18 71 17 90 17 13 16 40 15 71 15 05 14 42 13 83 13 25 12 70 12 18 11 68 11 21 10 76 10 33 9 921 9 530 9 157 8 797 8 453 8 125 7 812 7 513 7 227 6 954 6 693 6 444 6 205 5 975 5 755 5 544 5 343 5 150 4 968 4 793 4 626 4 466 4 312 4 163 4 020 3 884 3 752 3 626 3 505 3
11. Voltage Check operating voltage Check electrical connections 6 Flashes High Voltage Check operating voltage Check electrical connections The Filter Indicator Lamp will flash repeatedly when the filter needs cleaning The remainder of the table refers to the Service Indicator Light Both lights are found underneath the grille cover For more information refer to the Owner s Manual OPERATION LED INDICATES ERROR POWER LED OFF WHEN SYSTEM IS OPERATING AND FLASHES WHEN SYSTEM IS IN ERROR DOES NOT INDICATE ERROR CODE CLEAN FILTER INDICATOR FLASHES AFTER 2500 HOURS OF OPERATION Fig 17 Indicator Lights Table7 40BNB BNE Thermistor TH 1 TH 2 and TH 3 Temperature to Resistance Conversion TEMPEATURE F 4 0 2 2 0 4 1 4 3 2 5 0 6 8 8 6 10 4 12 2 14 0 15 8 17 6 19 4 21 2 23 0 24 8 26 6 28 4 30 2 32 0 33 8 35 6 37 4 39 2 41 0 42 8 44 6 46 4 48 2 50 0 51 8 53 6 55 4 57 2 59 0 60 8 62 6 64 4 66 2 68 0 69 8 71 6 73 4 75 2 77 0 78 8 80 6 82 4 84 2 86 0 87 8 89 6 91 4 93 2 95 0 96 8 98 6 TEMPERATURE TOLERANCE TEMPERATURE C F 0 20 eo 19 18 17 16 M o HH ue pue e He sl A AA A hit aloljolo o 2 0 2 0 2 0 2 0 HoH a ra fool Kook Keon o m HH nnn app oo pojo jo HH TH IH I FO JU PATS GATO AP GATS foul Reed Keun Kee iai Laai Asai Ladi Ladi lad La papa copo jojojo jpojo food Kee H J
12. all plugs and use four long screws to attach the mounting bracket to the wall 5 Check that the bracket is level and securely fastened to the wall DRILL A HOLE IN THE WALL FOR DRAINAGE AND INTER UNIT CONNECTIONS To make the connections between the indoor and outdoor units drill a 3 in hole through the wall for the refrigerant lines drainage hose and control cable passage as shown in Fig 5 1 Mark the center of the hole to be drilled according to the re frigerant line routing used and dimensions shown in Fig 4 2 Make sure to drill outwards and downwards so that the opening in the outside wall is at least 5 in lower than the opening on the inside 3 Make sure the drainage hose is at the bottom side of the hole 4 Ifrefrigerant line route no 1 3 or 4 are used use a small saw blade to carefully remove the corresponding plastic covering on the side panel 5 Run the outdoor sensor cable electrical cable refrigerant lines and drainage tube through the hole 6 Fill the remaining wall hole gap with an appropriate sealant material m WIRE THE INDOOR UNIT 1 Remove the unit s grille insert by lifting the lower part and pulling it gently outward and upward See Fig 6 2 To remove the grille frame remove the two screws size 018 024 or three screws size 030 from the air discharge opening See Fig 7 Save the screws to reassemble 3 Pull downwards and outwards on the bottom of the grille and gently raise
13. and performance data are subject to change without notice cc CCH CCHT COMP FC GND FM OFM INDOOR UNIT OUTDOOR UNIT 51 1 24 VAC RELAY F ORN YEL LEGEND Contactor RVS Reversing Valve Solenoid Compressor Capacitor SW Sweep Motor Crankcase Heater TB Terminal Block Crankcase Heater Thermostat TH Thermistor Thermostat Compressor j Fan Capacitor 4x Terminal Marked Ground Splice Indoor Fan Motor Outdoor Fan Motor o Terminal Unmarked x Terminal Block Factory Wiring Field Control Wiring we Field Power Wiring Accessory or Optional Wiring NOTES 1 no PHO m If any of the original wire furnished must be replaced it must be replaced with Type 90 C wire or its equivalent Wire in accordance with National Electrical Code NEC and local codes Thermistor wiring cable 32 ft long provided with indoor unit Compressor and fan motors are protected by internal thermal overloads Indoor unit shown with power source from outdoor unit Indoor unit may be wired to separa
14. d to separate power source depend ing on service requirements Fig 15 Cooling Only System Wiring Schematic 40BNB018 024 Fan Coil with 38BNB018 024 Condensing Unit C CC FC GND IFM OFM SW TB INDOOR UNIT OUTDOOR UNIT oh y moot A EN i M SEE NOTE 4 comemos d GRN YEL SRNZYEL A BLU ee ee Contactor Compressor Capacitor COMP Compressor Outdoor Fan Motor Fan Capacitor Ground Indoor Fan Motor Sweep Motor Terminal Block Fig LEGEND NOTES 1 If any of the original wire furnished must be replaced it must TH Thermistor Th tat IN be replaced with Type 90 C wire or its equivalent d M UT Factory Wiring 2 Wire in accordance with National Electrical Code NEC and lt gt Terminal Marked local codes O Splice Field Control Wiring 3 Compressor and fan motors are protected by internal thermal ems Field Power Wiring overloads O Terminal Unmarked 4 Indoor unit shown with power source from outdoor unit Accessory or Optional Wiring Indoor unit may be wired to separate power source depend x Terminal Block ing on service requirements 16 Cooling O
15. ez p e A aa 1 1 1 539 145 4 eo er s 1972 1432 1 494 147 2 604 Tet 1332 13m 1 451 149 0 65 a27 i5 129 350 1 409 150 8 06 x29 t6 125 13m 1 369 152 6 O ear eoi y e o aa 274 1 330 154 4 68 eo 6 1184 12897 1 292 156 2 69 et niso teo 1 256 158 0 pan x29 8 68 1 221 NOTE Resistance tolerance 3 Table 8 General System Troubleshooting Guide SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION Unit Fails to Start Power supply to unit not connected POWER LED Check for proper connection of power at disconnect Off Fuse blown POWER LED Off Reset circuit breaker or replace line fuse ON SEND button has not been pressed Press ON SEND button on remote control Indoor unit does not receive transmitted Make sure that nothing is blocking the remote control commands transmission to the unit Only Indoor Fan Works when The selected mode is Fan Only or Cool when Check if the remote control is in the desired mode If Cooling or Heating is Desired heating is desired not select the correct mode refer to User manual NOTE Indoor fan runs Also note that every 15 minutes maximum the com continuously in cooling mode pressor will be switched minimally on for 3 minutes Temperature is set to a value which is too high in Observe the temperature setting on the remote control
16. ht steam or flame A CAUTION Do not bury more than 36 in of refrigerant pipe in the ground If any section of pipe is buried there must be a 6 in vertical rise to the valve connections on the outdoor units If more than the recommended length is buried refrigerant may migrate to the cooler buried section during extended periods of system shutdown This causes refriger ant slugging and could possibly damage the compressor at start up Fig 1 38BNB BNE Outdoor Unit Clearances Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 533 801 22 Book 1 4 PC 111 Tab 3e 2f Printed in U S A Form 38B 40B 48Sl Pg 1 5 05 Replaces 38B 40B 1Sl 38B 40B 2S Table 1 Parts List High Wall Units ITEM DIAGRAM e Man crow ex x Mounting Bracket 1 TT WA Seer gt ieee Lee kde 38B 40B030 Long Screws 1 5 in Cap Screws size 030 2 colored 2 nickel units only plated Outdoor Sensor Connecting Cable Absorption Cushions HEAT PUMP ONLY Electric Terminals Remote Controller Rack 1 rack with 2 screws Remote Controller and Batteries Insulation for Fittings 7 Wall Plugs bo Table 2 Physical Data Cooling Only INDOOR UNIT 40BNB 018 40BNB 024 40BNB 030 COOLING CAPACITY Btuh 18 000 22 600 28 000 SEER 10 0 10 5 1
17. ill show and the nickel plated screws on the holes that 4 ar are underneath the plastic and will not show i A CAUTION Plastic control cover Make sure that all wires and screws are firmly fastened Fig 8 Remove Control Cover Loose wires or connections can cause damage and present a fire hazard MAKE DRAINAGE CONNECTIONS 1 Connect the unattached end of the drainage tube to the drainage hose outlet 2 Seal the drainage connection to prevent leakage 3 Make sure there are no kinks U bends or flattened sections in the tube 4 Check that the drainage functions properly Fill the pan below the unit s coil with water and observe that it freely drains out 5 Make sure the drainage hose is at the bottom side of the wall through hole see Fig 5 REASSEMBLE 1 Connect the display connector to the display panel print ed circuit board 2 Put the control box cover and grille frame back on using the appropriate screws Steps 2 and 4 of Wire the Indoor Unit section Put the cover insert back on Fig 9 Indoor Unit Mounting Fig 6 Remove Grille Insert THf TH2 TH3 OUTDOOR SENSOR HEAT PUMP ONLY NOTE Size 030 unit shown 3 screws Fig 7 Remove Grille Frame Fig 10 Outdoor Sensor Connection CONNECT REFRIGERANT LINES Connect the ends of the refrigerant lines to the
18. ir appropriate fittings following these guidelines To connect the refrigerant lines use only L type sealed dehydrated copper refrigerant tubing No other type of tubing may be used Use of other types of tubing will void the manu facturer s warranty Do not open service valves or remove protective caps from tubing ends until all the connections are made Take care to avoid kinks or flattening of the tubing Bend tubing with special bending tools to avoid the forma tion of sharp bends Keep the tubing free of dirt sand moisture and other con taminants to avoid damaging the refrigerant system Avoid sags in the suction line to prevent the formation of oil traps Insulate both refrigerant lines separately with 3 g in walled thermal pipe insulation Inserting the tubing into the msulation before making the connections can save time and improve in sulation The suction and mixed phase lines should never come in direct contact ATTACH THE REMOTE CONTROLLER RACK 1 Use the two screws supplied with the controller to attach the rack to the wall in the location selected by the custom er see Fig 11 Install batteries in the remote control Place remote control into remote control rack For remote control operation refer to the unit Owner s Manual 38BNB BNE Outdoor Unit Installation NOTE The outdoor unit must be installed on a solid surface mounting base Aen 1 Place the rubber absorption cushions sup
19. lean without burrs 5 Open the suction line valve large valve with an Allen 3 Slip the flare nut on the tubing and flare the tube end wrench using standard flaring tools 6 The outdoor unit 1s supplied with sufficient R 22 retriger 4 Tighten the nut until resistance is met Mark the nut and ant for 10 to 50 ft of line set Add 0 9 oz of refrigerant for the fitting Using a suitable wrench tighten an additional each additional 3 ft of tubing used 1 4 turn Use the following specified torque according to 7 Close the service port caps on the suction line and the connection size mixed phase valves Mixed Phase line Suction line 8 Make sure that the valves are properly opened Be careful I 4 in 12 3 ft Ib 1 5 in 36 ft lb Ha TET them more than required as this may damage 3 g in 29 ft lb 5 g in 47 ft lb il 9 Replace the service port cap Using refrigerant oil lubri cate the cap beam and hand tighten until resistance is met Use a suitable wrench to tighten the cap by an additional NOTE The service valves on the outdoor unit must remain closed until all 4 connections have been made EVACUATE TUBING AND CHARGE THE SYSTEM 1 turn When all the fittings are connected air must be expelled then 7 refrigerant charge must be checked and adjusted Follow the Power Supply See Tables 4 and 5 for electrical data steps below and Fig 13 16 for system wiring diagrams 1 Open the service port cap on the suc
20. nly System Wiring Schematic 40BNB030 Fan Coil with 383BNB030 Condensing Unit START UP System Checks 1 Conceal the tubing where possible 2 Make sure that the drainage tube slopes downward along its entire length 3 Ensure all tubing and connections are properly insulated 4 Fasten tubes to the outside wall 5 Seal the hole through which the cables and tubing pass 6 Connect the air conditioner to the power source and turn it on 7 Check all air conditioner operating modes Refer to Owner s Manual for operating details INDOOR UNIT 1 Do all the remote controller buttons function properly 2 Do the display panel lights work properly 3 Does the air deflection louver function properly 4 Does the drainage work OUTDOOR UNIT 1 Are there unusual noises or vibrations during operation 2 Is noise drain water or airflow from the unit likely to disturb the neighbors 3 Are there any gas leaks EXPLAIN THE FOLLOWING ITEMS TO THE CUSTOMER WITH THE AID OF THE OWNER S MANUAL 1 How to turn the air conditioner on and off selecting cool ing heating and other operating modes setting a desired temperature setting the timer to automatically start and stop air conditioner operation and the other features of the remote controller and display panel How to remove and clean the air filter How to set the air deflection louver Explain care and maintenance Present the Owner s Manual and installation instructions to
21. once to cancel Auto emergency mode Mode Faulty remote control settings 1 If remote control symbols respond to the commands correctly check the unit ID Code Standard or Alter native Refer to Changing Unit ID Code in the Owner s Guide and Remote Control DIP switch 3 setting in the Owners Manual 2 If Cool commands are OK but Heat symbol is skipped on LCD refer to Remote Control DIP switch 7 sett ng in the Owners Manual 3 Replace remote control Remote control low battery Replace remote control batteries The Unit Receives Interference Common Infrared Code Modify the Remote Control IR transmission code from Other Remote Control or Refer to Changing Unit ID Code and to Remote the Remote Control Interferes Control DIP switch 3 setting in the Owner s Manual with Other Instruments Copyright 2005 Carrier Corporation Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 4 PC 111 Catalog No 533 80122 Printed in U S A Form 38B 40B 4SI Pg 16 5 05 Replaces 38B 40B 18Sl Tab 3e f 38B 40B 2S1
22. place it Replacement filters are available through a local dealer SERVICE The following should be performed by a qualified service technician Clean Condensate Drains Clean all drains and drain pans at the start of each cooling season Check the flow by pouring water into the drain Clean or Replace Drain Pan The drain pan should only be cleaned or replaced by a qualified service technician 1 Place a plastic sheet on the floor to catch any water that may spill from the drain pan 2 Remove the intake grille and distribution assembly 3 Remove the condensate water in the drain pan by letting water drain into a 3 gallon bucket TROUBLESHOOTING Tables 6 8 and Fig 17 A WARNING Be sure to check for broken wires or loose cable lugs before troubleshooting system Table 6 Service Indicators LAMP STATUS INDICATION CORRECTION ACTION Flashing Dirty filter Clean the filter 1 Flash Faulty TH1 Sensor Check the TH1 thermistor for correct resistance Check for proper connection Replace thermistor if necessary 2 Flashes Faulty TH2 Sensor Check the TH2 thermistor for correct resistance Check for proper connection Replace thermistor if necessary 3 Flashes Low Pressure Check system pressures Check refrigerant charge Check thermistors TH1 and TH2 for correct resistance 4 Flashes High Pressure Check system pressures Check refrigerant charge Check thermistors TH1 and TH2 for correct resistance 5 Flashes Low
23. plied with the outdoor unit under the unit s legs to prevent vibrations 2 Fasten the outdoor unit legs to the mounting base as shown in Fig 12 The cushion goes between the legs and the mounting base 3 Be sure that the unit is level REMOTE CONTROL REMOTE CONTROL RACK J Fig 11 Attach Rack to the Wall 6 MAKE WIRING CONNECTIONS Remove the outdoor unit plastic side cover Loosen the screws on the terminal block Attach the electrical terminals supplied to the inter unit control and power cable wires 4 Connect the wires to the Fig 13 16 5 For heat pump systems only connect the outdoor sensor cable TH3 making sure the connector is properly inserted cB POEM terminal block See 6 Secure the inter unit electric and sensor cable to the out door unit with the clamp shown in Fig 12 7 Reassemble the plastic side cover NOTE A drainage tube can be connected to the outdoor unit to remove condensation formed during heating mode operation A CAUTION Make sure that all screws and wires are properly fastened Loose wires or connections can cause damage and present a fire hazard MAKE REFRIGERANT PIPING CONNECTIONS OUT DOOR UNIT To connect the refrigerant lines Use only L type sealed dehydrated copper refrigerant tubing No other type of tubing may be used Use of other types of tubing will void the manufacturer s warranty Do not open service valves or remove
24. protective caps from tubing ends until all the connections are made Bend tubing with special bending tools to avoid the forma tion of sharp bends Take care to avoid kinks or flattening of the tubing Keep the tubing free of dirt sand moisture and other con taminants to avoid damaging the refrigerant system Avoid sags in the suction line to prevent the formation of oil traps Insulate each tube with 3 g in walled thermal pipe insula tion Inserting the tubing into the insulation before making the connections will save time and improve installation The suction and mixed phase lines should never come in direct contact POWER SUPPLY INTER UNIT TERMINAL BLOCK TERMINAL BLOCK Ej JE u Tui ERAN HIGH LOW VOLTAGE METAL BARRIER EX AS Ca TH3 HEAT PUMP ONLY S i METAL c f E CONDUIT So oo DA CONNECTION RG oA E PLATE AL E POWER SUPPLY CABLE i FY 9 INTER UNIT CABLE 4 ABSORPTION CUSHION TO BE PUT UNDER EACH LEG Fig 12 Legs and Mounting Base Outdoor Units FLARING AND CONNECTING REFRIGERANT LINES 3 Disconnect the vacuum pump Unit should maintain 1 Remove the protective cap from the flare fitting 500 microns for 5 minutes 2 Remove the protective cap from the tubing and cut to the 4 Open the mixed phase valve small valve with an Allen required length Be sure that the cut is perpendicular and wrench c
25. te power source depend ing on service requirements Fig 13 Heat Pump System Wiring Schematic 40BNE018 024 Fan Coil with 38BNE018 024 Condensing Unit INDOOR UNIT OUTDOOR UNIT see moc2 m om e m L j a m mm oy pum mm mom mom ot E g SES NOTE m p E t por od p A I EE dg ert gor o FF go I i 1 awl I 1 NOTES LEGEND t If any of the original wire furnished must be replaced it must i D be replaced with Type 90 C wire or its equivalent ec pea Capacitor TH or a ER Factory Wiring 2 han in Accordance with National Electrical Code NEC and A m ocal codes COMP E econ x _ Terminal Marked Field Control Wiring 3 Thermistor wiring cable 32 ft long provided with indoor unit GND Ground o Splice am Field Power Wiring 4 Compressor and fan motors are protected by internal thermal IFM Indoor Fan Motor overloads f OFM Outdoor Fan Motor e Terminal Unmarked Accessory or Optional Wiring 5 Indoor unit shown with power source from outdoor unit RVS Reversing Valve Solenoid Indoor unit may be wired
26. tion line valve large Leak Test Leak test all fittings with appropriate test valve equipment 2 Connect the vacuum pump to the service port via the pressure gage and evacuate to 500 microns to eliminate contamination and moisture Table 4 Electrical Data Indoor Units 208 230 1 60 MOCP FULL LOAD AMPS FAN MOTOR AMPS Ope 018 os is vs J __o0s4 p 024 05 15 oa fo oa ooj os 15 oa 9 04 o5 is o4 os 0 5 15 0 5 15 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 0 4 COMPRESSOR LOCKED ROTOR AMPS e N A e eo 024 os 15 o4 5 J 04 030 os 15 o4 04 LEGEND N A MCA Minimum Circuit Amps MOCP Maximum Overcurrent Protection If local code permits and the indoor unit may be powered from the outdoor unit MCA and MOCP are for both units C US NOTE Specifications and performance data are subject to change without notice Table 5 Electrical Data Outdoor Units 208 230 1 60 UIS pis sz og 9e 30 2 50 dx 3p ese ao O A 8 2 08 3 e2 30 oo 14 3s 168 T ie 15 30 5 15 0 35 1 4 1 8 1 4 1 8 LEGEND MCA Minimum Circuit Amps MOCP Maximum Overcurrent Protection If local code permits and the indoor unit may be powered from the outdoor unit MCA and MOCP are for both units C US NOTE Specifications
27. uipment observe precautions in the literature and on tags stickers and labels attached to the equipment Follow all safety codes Wear safety glasses and work gloves Keep quenching cloth and fire extinguisher nearby when brazing Use care in handling rigging and setting bulky equipment A WARNING Before installing or servicing system always turn off main power to system and install lockout tag on disconnect There may be more than one disconnect switch Electrical shock can cause personal injury GENERAL These instructions cover the installation start up and servic ing of 38BNB BNEO18 030 outdoor and 40BNB BNEO1 8 030 indoor units cooling only and heat pump duct free systems See Table 1 for parts included See Tables 2 and 3 for Physical Data System Requirements Consult local building codes and National Electrical Code NEC U S A for special installation requirements Control wiring should be 18 gage Use only type G or C fuses Use single length power cable without extension Allow sufficient space for airflow clearance on condens ing units for wiring refrigerant piping and servicing unit See Fig 1 and 2 for minimum required distances between unit and walls or ceilings Indoor and outdoor units should be installed at a mini mum of 10 ft apart Maximum line length is 130 ft and vertical separation is 66 ft Do not install indoor units near a direct source of heat such as direct sunlig
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