Nordyne B5SM User's Manual
Contents
1. 5 Packaging 2222 5 Minimum Clearance Requirements 5 Horizontal Mounting Applications 5 Vertical Mounting Applications 5 Condensate Drain uu uathuy aka nka ayaq 5 Connecting Refrigerant Tubing 5 Filter Requirements 6 Electrical Wiring 7 Pre Electrical Checklist 7 Gne Vola gO uuu ay 7 Thermostat Connections 7 Electrical Wiring with a Duct Heater 7 Unbalanced 3 Phase Supply Voltage 8 8 Startup 8 Adjustments 8 Pre Start 1451 8 Motor Sheave Adjustment 8 Pulley 9 Belt Te sI6nifl o u u aaa e erede 9 Blower Adjustments 9 Unit Maintenance 9 Figures amp Tables 10 Figure 4 Physical Dimensions Horizontal 10 Figure 5 Physical Dimensions Vertical 112. N WARNING Improper installation service adjustment or maintenance may cause explosion fire electrical shock or other hazardous conditions which may result in personal injury or property damage Unless otherwise noted in these instructions only factory authorized kits or accessories may be used with this product A WARNING Unless otherwise noted in these instructions only factory authorized kits or accessories may be used with or when modifying this product N WARNING The safety information listed below must be followed during the installation service and operation of this unit Unqualified individuals should notattemptto interpretthese instructions or install this equipment Failure to follow safety recommendations could result in possible damage to the equipment serious personal injury or death The installer must comply with all local codes and regulations which govern the installation of this type of equipment Local codes and regulations take precedence over any recommendations contained in these instructions Consult local building codes and the National Electrical Code ANSI CI for special installation requirements This equipment contains liquid and gaseous refrigerant under high pressure Installation or servicing should only be performed by qualified trained personnel thoroughly familiar with this type equipment All electrical wiring must be completed in accordance with local state a
3. 5 Secure the filter slide assembly together with the four screws FILTER BRACKET LOCATION REMOVE 4 SCREWS FROM FILTER RACK FRAME 6 Re install the filter slide assembly back into the filter rack frame and secure with the 4 screws removed earlier If replacing factory supplied filters with disposable filters use only 2 disposable filters Accessing the filters does not require tools and can be performed from either side ofthe filter rack On the service side of the unit locate the release knob at the base of the filter rack and rotate clockwise to unlock then pull up and out to remove the filter access panel On the blower side use the same method but rotate counter clockwise to unlock Model Nominal NN ist 03 004 04 3000 0 05 TENER 0 07 0 08 4200 5 Lm Lm 1 000 Table 1 Pressure Drop Across Filters BRACKET CONFIGURATION BRACKET CONFIGURATION FOR FOR 1 FILTER APPLICATIONS 2 FILTER APPLICATIONS FACTORY SETTING 0 05 0 07 0 08 0 11 0 13 Z BRACKET L BRACKET REMOVE 4 SCREWS SECURING Z BRACKET AND L BRACKET Figure 1 Converting from 1 Filter to 2 Filter Applications MODEL VOLTAGE PHASE Hz Pica MOP 908 1205 208 230460 3 60 566663 834342 090 amp 120
4. e21099 3 39VI1OA MOT ONIUIM 0151 IN3931 SNOILO3NNOO AlddNS Q T3l3 D 21 H1 I I xovig O el H O a J LON 33S yva NMOHU8 1V1S3Z33H4 ASVHd 3 19SNIS 19ZIWIOU0DS WO4 MOJJ9 0 19 uuo2 pue jeululJ9 A pieoq BE OA MO woy 9JIM 4 uoneoijdde zluuouo2 104 E owes ay jo 1 ddo 2 601 Ajuo sn p sejd eq 1snui Sulu Ji Z Puras 910J9q H MO 2 12euuooSiq L SALON 1VH3N39 suu 1s S Je pueH 11 L01 G 2 Salas NSSE Figure 6 VViring for Single and Three Phase Units 13 NOTE C amp W2 to be connected to electric heat TO FIELD SUPPLIED DISCONNECT SINGLE STAGE HEAT COOL THERMOSTAT Y BLOWER MOTOR FREEZESTAT BLACK See Note TERMINAL BOARD AIR HANDLER SECTION OUTDOOR SECTION SINGLE STAGE HEAT COOL THERMOSTAT NO ECONOMIZER NOTES 1 C amp W2 to be connected to electric heat 2 Remove BLACK wire from air handler low voltage terminal board Y terminal and connect to YELLOW wire from economizer 2nd Stage refrigerant cooling with optional economizer installed A 2 stage thermostat is required for simultaneous operation of the economizer TO FIELD and refrigerant system Connect Y2 from 2 stage thermostat to BLUE SUPPLIED DISCONNECT wire from economizer If installing an economizer in this unit
5. 7 1 2 Ton Unit Refrigerant Line Connections Top View Shown with Doors Removed 17 1339 Electrical Knock outs Condensate 1g 3 16 5 11 16 4 3 8 4 3 16 10 Ton Unit Refrigerant Line Connections Top View Shown with Doors Removed Field Installed Hanging Rods 57 Center to Center 28 1 2 G of Unit 3 G of Gravity Front View 221 16 18 13 16 Supply Duct 60 1 4 Cabinet Width 57 Filter Rack Frame 53 Return Duct Opening 1 5 8 27 3 8 Cabinet Rear View Height 2 ye Figure 4 B5SM Physical Dimensions for Horizontal Installations 18 13 16 Supply Duct ka 19 3 8 22 1 1 6 Top View 60 1 4 Cabinet Width 18 13 16 Supply 19 3 8 Apicius pes 22 1 16 A 53 1 4 Cabinet Height 23 Return n Duct Opening m Y 7 6 e 53 Return Duct 0pening lt 57 Filter Rack Frame Front View Electrical Knock outs Condensate Drain 27 3 8 Cabinet Depth without Filter Rack pj 16 1 4 Supply Duct Opening Electrical Connections 25 1 16 Filter Rack Frame 29 5 16 Depth with Filter Rack Side View Figure 5 B5SM Physical Dimensions for Vertic
6. Table 4 Blower Performance Data 12 Electrical Information 13 Figure 6 B5SM Wiring Diagram 13 Figure 7 Air conditioner T stat Connections 14 Figure 8 Heat pump T stat Connections 15 Figure 9 Maintenance Schedule 16 IMPORTANT SAFETY INFORMATION Safety markings are used frequently throughout this manual to designate a degree or level of seriousness and should not be ignored WARNING indicates a potentially hazardous situation that if not avoided could result in personal injury or death CAUTION indicates a potentially hazardous situation that if not avoided may result in minor or moderate injury or property damage N WARNING NITROGEN HEALTH FLAMMABILITY o 1 Slight Hazard REACTIVITY 0 Minimal Hazard Evaporator coils are shipped from the factory with a nitrogen charge Use caution when preparing coils for field connections If repairs make it necessary for evacuation and charging it should only be attempted by qualified trained personnel thoroughly familiar with this equipment Some local codes require licensed installation service personnel to service this type of equipment Under no circumstances should the equipment owner attempt to install and or service this equipment Failure to comply with this warning could result in equipment damage personal injury or death
7. forklift for this operation Vertical Mounting Applications Verify the unit is level and there is adequate clearances to service the unit and provide the minimum 2 trap needed for the condensate drain See Figure 5 page 11 Condensate Drain B5SM air handlers have condensate drain ports on both sides of the unit and may be configured for drainage from the left right or both sides Figures 4 or 5 Connection to the drains can be made with a 3 4 threaded PVC adapter Units are configured at the factory with the service side drain open and a threaded PVC drain plug installed on the opposite side Each drain line installed requires its own drain trap To ensure proper drainage the installed drain trap s must provide a minimum trap of 2 inches Note It is recommended that a secondary drain pan be used when the unit is hung above an enclosed ceiling Connecting Refrigerant Tubing N WARNING NITROGEN HEALTH 1 FLAMMABILITY o REACTIVITY 0 Minimal Hazard 1 Slight Hazard Evaporator Coils are factory shipped with a nitrogen charge Avoid direct face exposure or contact with valve when gas is escaping Always ensure adequate ventilation is present during the depressurization process Any uncertainties should be addressed before proceeding When connecting refrigerant linesets together it is recommended that dry nitrogen be flowing through the joints during brazing This will prevent internal oxidat
8. refer to the SINGLE STAGE Economizer installation instructions for proper set up and operation HEAT COOL Heat Pump Economizer Relay For heat pump applications only connect B I THERMOSTAT from thermostat to GREY wire from Economizer Required for proper operation of an economizer optional in the heat pump Heating mode If installing an R V TC G Y economizer in this unit refer to the Economizer installation instructions for roy proper set up and operation BLOWER MOTER VV7459A M7415A x TR BLACK Note 4 GRY BLK 12 TR1 VIO 14 Sy 1 1 14 r OPTIONAL C7400A WHITE ORN Note 3 gt Y2 lt BLUE RED 12 TERMINAL RED 1 22 GRY 12 BOARD AIR HANDLER cy SECTION MAS OPTIONAL BLK 12 OUTDOOR ECONOMIZER BLU 12 SECTION SINGLE STAGE HEAT COOL THERMOSTAT WITH ECONOMIZER Figure 7 Typical Air conditioner Thermostat Connections 14 NOTES gt j TO FIELD 1 Jumper between W2 and E is required SUPPLIED DISCONNECT 2 C amp W2 to be connected to electric heat GND SINGLE STAGE HEAT PUMP THERMOSTAT BLOWER MOTER ee eee TERMINAL OUTDOOR BOARD AIR HANDLER SECTION SECTION TYPICAL HEAT PUMP THERMOSTAT CON
9. B5SM 090 120 SERIES Installation Instructions LIGHT COMMERCIAL AIR HANDLER Horizontal Application Rear View Horizontal Application Front View IMPORTANT Please read this information thoroughly and become familiar with the capabilities and use of your appliance before attempting to operate or maintain this unit Keep this literature where you have easy access to it in the future If a problem occurs check the instructions and follow recommendations given If these suggestions don t eliminate your problem call your servicing contractor These instructions are primarily intended to assist qualified individuals experienced in the proper installation of this appliance Some local codes require licensed installation service personnel for this type of equipment Please read all instructions carefully before starting the installation DO NOT DESTROY PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE Important Safety Information 3 General Information 4 Before You Install this Unit 4 Locating the Air 4 Field Connections for Electrical Power Supply 4 AN DUCIS a E 4 Unconditioned Spaces 4 Acoustical Duct 4 Air Handler Installation
10. K 208 230 FLA Full Load Amps MCA Minimum Circuit Ampacity MOP Maximum Over Current Protection Table 2 Electrical Rating Data 60 113100 142 125 25 20 ELECTRICAL WIRING N WARNING To avoid risk of electrical shock personal injury or death disconnect all electrical power to the unit before performing any maintenance or service The unit may have more than one electrical supply Label all wires prior to disconnection when servicing the unit Wiring errors can cause improper and dangerous operation Electrical connections must be in compliance with all applicable local codes and ordinances and with the current revision of the National Electric Code ANSI NFPA 70 For Canadian installations the electrical connections and grounding shall comply with the current Canadian Electrical Code CSA C22 1 and or local codes Pre Electrical Checklist N Verify that the voltage frequency and phase of the supply source match the specifications on the unit rating plate The label is located near the refrigerant lines v Verify that the service provided by the utility is sufficient to handle the additional load imposed by this equipment Y Phase balance on3 phase units must always be checked See Unbalanced 3 Phase Supply Voltage page 8 Line Voltage t is recommended that the line voltage to the unit be supplied from a dedicated branch circuit containing the correct fuse or circuit breaker for the unit An
11. NECTION NO ECONOMIZER NOTES 1 Jumper between W2 and E is required 2 C amp W2 to be connected to electric heat 3 Remove BLACK wire from air handler low voltage terminal board Y terminal and connect to YELLOW wire from economizer 2nd Stage refrigerant cooling with optional economizer installed A 2 TO FIELD stage thermostat is required for simultaneous operation of the economizer and refrigerant system Connect Y2 from 2 stage thermostat to BLUE wire from economizer If installing an economizer in this unit refer to the SINGLE STAGE Economizer installation instructions for proper set up and operation Heat Pump Economizer Relay Connect B from thermostat to GREY BEAL PUMP THERMOS IAL wire from Economizer Required for proper operation of an economizer R O w2 C G Y B optional in the heat pump Heating mode If installing an economizer in 1 this unit refer to the Economizer installation instructions for proper set 1 up and operation BLOWER M one GRY 90 W7459A TB 11 M7415A NOTE5 TR au JUMPER C7400A i WIRE TERMINAL RED BOARD RED OUTDOOR AIR HANDLER 7150 MA OPTIONAL SECTION SECTION ECONOMIZER TYPICAL HEAT PUMP THERMOSTAT CONNECTION WITH ECONOMIZER Figure 8 Typical Heat Pump Thermostat Connections 15 Installed by Date Installed Maintenance Task Performance Date Performed Schedule Air Filters Ins
12. Verify the unit is level and condensate can drain Check condensate drain line s for proper slope and trap N Verify the air handler is mounted securely N Verify the surrounding area and top of the unit is free from obstructions and debris Y Check all ductwork connections Make sure the duct work is adequetly sealed to prevent air leakage Y Check all coil connections for leaks N Verify that the line voltage power leads are securely connected and the unit is properly grounded N Verify that the low voltage wires are securely connected to the correct leads on the low voltage terminal strip Make sure the thermostat is wired correctly N Verify the blower rotates properly Check the blower belt between the pulleys for proper tension and alignment V Verify the power supply branch circuit overcurrent protection is sized properly N Verify all filters are in place and all equipment access control panels are in place Motor Sheave Adjustment The motor sheave consists of an outer moveable pulley face and an inner stationary face To adjust the motor sheave 1 Relieve the belt pressure by loosening motor mount bolts and the belt tensioning bolts on the motor mount 2 Move the blower fan belt out of the way if necessary and loosen the set screw in the outer sheave face 3 Rotate the face in increments of one half or full turns only NOTE This maintains the set screw position precisely over the flats on the pulley hub Rotating th
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14. ard on fibrous glass ducts Fibrous duct work and internal acoustical lining must be NFPA Class 1 air ducts when tested per UL Standard 181 for Class 1 ducts AIR HANDLER INSTALLATION Packaging Removal Remove the shipping crate and User s Manual from the equipment Take care notto damage the tubing connections when removing the crate Minimum Clearance Requirements This air handler must be installed with ample clearance for easy access to the air filters blower assembly and controls Allow 24 inches minimum clearance from the front of the motor and refrigerant access panels for service and maintenance However 36 inches is strongly recommended Horizontal Mounting Applications B5SM air handlers can be suspended from support rods at each corner and are supplied with the required 1 2 13 NC hardware The installer only needs to supply the 77 full threaded support rods in an appropriate length for their application NOTE These units can be supported with 3 8 full threaded support rods however all mounting hardware must be field supplied Once in position verify the unit is level See Figure 4 page 10 CAUTION When raising the air handler for horizontal mounting always use safe lifting methods and equipment Always support the unit along its entire width Failure to do so may result in damage to the lower panels or other equipment If determined safe for your application the shipping pallet may be utilized with a
15. e sheave clockwise when viewed from the lead end of motor opposit end of shaft will make the blower run slower which decreases airflow Rotating the sheave counter clockwise as viewed from lead end will cause the blower to speed up 4 Tighten the setscrews after the desired adjustment has been made and verify the moveable face is properly secured Pulley Alignment Inspect the pulley alignment between the motor sheave and blower pulley If a misalignment occurs adjust the location of the motor sheave by loosening the set screw in the stationary face of the motor sheave Relocate the sheave assembly on the motor shaft to ensure the belt will be straight and aligned Figure 2 Tighten the set screw and then reinstall the fan belt Tighten the tensioning bolts as described below Belt Tensioning Proper belt tension can be determined by testing the belt deflection at the midpoint of the pulleys The belt should deflect 1 2 per foot of span between the centers of the pulleys Figure 3 After the proper tension has been applied tighten the motor mount bolts to secure the assembly and visually inspect the area to ensure all tools have been removed Inspect all wire harness and routings in the vicinity and make sure there is adequate clearance for the wire harness Blower Adjustments 3 phase units only If blower is turning opposite of arrow direction disconnect all power to unit and allow all rotating equipment to stop then in
16. electrical disconnect must be located within sight of and readily accessible to the unit This switch shall be capable of electrically de energizing the outdoor unit See unit data label for proper incoming field wiring Any other wiring methods must be acceptable to authority having jurisdiction Refer to the unit wiring label for proper high and low voltage wiring Use only copper wire for the line voltage power supply to this unit Table 2 page 6 Use proper code agency listed conduit and a conduit connector for connecting the supply wires to the unit Overcurrent protection must be provided at the branch circuit distribution panel and sized as shown on the unit rating label and according to applicable local codes See the unit rating plate for maximum circuit ampacity and maximum overcurrent protection limits If replacing any of the original wires supplied with the unit the replacement wire mustbe copper wire consisting of the same gauge and temperature rating Provide power supply for the unit in accordance with the unit wiring diagram and the unit rating plate The installer should become familiar with the wiring diagram schematic before making any electrical connections to the unit See Figure 6 page 13 These air handlers can be purchased in both single and three phase power configurations all single phase equipment is shipped from the factory ready for field connections For electrical connection locat
17. fer to the thermostat manufacturers instruction sheet for detailed mounting and installation information Electrical Wiring with a Duct Heater Slip in duct heaters are available as an accessory with the B5SM air handler See Table 3 for available sizes These heaters mount in the supply duct external to the air handler The heater kits are available in 10 16 26 and 36 KW sizes and 240 or 460 voltages All heater kits are set up for three phase operation To wire the heater kits to the B5SM air handler unit refer to the Installation Instructions supplied witht he kit SKU VoltsiPhase Hz MODEL Table 3 Duct Mount Heater Kit Models Unbalanced 3 Phase Supply Voltage Voltage unbalance occurs when the voltages of all phases of a 3 phase power supply are no longer equal This unbalance reduces motor efficiency and performance Some underlying causes of voltage unbalance may include Lack of symmetry in transmission lines large single phase loads and unbalanced or overloaded transformers A motor should never be operated when a phase imbalance in supply is greater than 2 Perform the following steps to determine the percentage of voltage imbalance 1 Measure the line voltages of your 3 phase power supply where it enters the building and at a location that will only be dedicated to the unit installation at the units circuit protection or disconnect Example AB 451V BC 460V AC 453V 2 Determine
18. ion and scaling from occurring Refrigerant tubing should be routed in a manner that minimizes the length of tubing and the number of bends in the tubing Refrigerant tubing should be supported in a manner that the tubing will not vibrate or abrade during system operation Tubing should be kept clean of foreign debris during installation Every effort should be made by the installer to ensure thatthe field installed refrigerant containing components of the system have been installed in accordance with these instructions and sound installation practices to insure reliable system operation and longevity Always refer to the installation instructions supplied with the outdoor unit for piping requirements The suction and liquid lines must be sized in accordance with the condensing unit specifications If precise forming of refrigerantlines is required a copper tubing bender is recommended Avoid sharp bends and contact of the refrigerant lines with metal surfaces A filter dryer is provided with the unit and must be installed in the liquid line of the system If the installation replaces a system with a filter dryer already present in the liquid line the filter dryer must be replaced with the one supplied with the unit The filter dryer must be installed in strict accordance with the manufacturer s installation instructions B5SM air handlers are supplied with a direct expansion refrigerant coil and thermostatic expansion valves Refrigera
19. ions see Figures 4 or 5 pages 10 or 11 Three phase units are shipped from the factory pre configured for high voltage operation The 460 volt 60 hertz units may be reconfigured in the field for the other voltages indicated on the unit rating label For additional Maximum Current Ampacity MCA or Maximum Over current Protection MOP information refer to the unit rating label For proper high voltage wiring or other wiring requirements refer to the Wiring Diagram Figure 6 Internally mounted circuit breakers are available as field installed options These circuit breakers can be used as an electrical disconnect Thermostat Connections Thermostat connections shall be in accordance with the instructions supplied with the thermostat and the indoor equipment The low voltage wires must be properly connected to the units low voltage terminal block A single stage thermostat is used with this equipment and must operate in conjunction with any installed accessories A typical AC and air handler hookup is shown in Figure 7 page 14 For heat pump and air handler connections see Figure 8 page 15 The thermostat should be mounted about 5 feet above theflooronaninside wall DO NOT install the thermostat on an outside wall or any other location where its operation may be adversely affected by radiant heat from fireplaces sunlight or lighting fixtures and convective heat from warm air registers or electrical appliances Re
20. m of the unit and the top panel simply by switching the filter rack with the return air cover panel For either configuration sufficient clearance must be provided on the sides of the unit to allow access for servicing the blower motor coil assembly and filters This unithas been designed and tested for capacity and efficiency in accordance with A R I Standards This unit will provide many years of safe and dependable comfort providing it is properly installed and maintained With regular maintenance this unit will operate reliably year after year Abuse improper use and or improper maintenance can shorten the life of the appliance and create unsafe hazards Before You Install the Air Handler Y This equipmentis securely packed at the time of shipment and upon arrival should be carefully inspected for damage prior to installing the equipment at the job site Claims for damage apparent or concealed should be filed immediately with the carrier Y The cooling load of the area to be conditioned must be calculated and a system of the proper capacity selected Y Check the electrical supply and verify the power supply is adequate for unit operation The system must be wired and provided with circuit protection in accordance with local building codes If there is any question concerning the power supply contact the local power company Y Theairhandlershouldbe installed before routing the refrigerant tubing Refer to the indoor unit s in
21. mal wear V belts tend to elongate over time with normal application and use Ensure the belt always maintains adequate tension without over tightening Belts which have been over tightened will wear out rapidly and may cause motor and blower bearings to receive undue strain and wear As a result the unit could experience excessive vibration and noise problems Blovver Bearings The blower assembly incorporates sealed bearings Under normal operating conditions no maintenance is necessary for the life of the equipment Blower Fan Wheel Inspect the blower wheel blades for accumulations of dirt and clean if necessary Inspect mounting nut for tightness when done Blower Motor and Assembly Inspect the blower assembly and motor mounting brackets for tightness and corrosion Correct deficiencies if neccessary The blower motor contains sealed bearings and under normal operating conditions no maintenance is necessary for the life of the equipment FIGURES amp TABLES Field Installed Hanging Rods 3 4 47 5 8 Center to Center L 2 7 32 2313 16 of Unit of Gravity 11 4 15 11 16 4 3 4 13 5 8 15 9 16 17 11 16
22. nd national codes and regulations and with the National Electric Code ANSI NFPA 70 or in Canada the Canadian Electric Code Part 1 CSA C 22 1 Installation of equipment may require brazing operations Installer must comply with safety codes and wear appropriate safety equipment safety glasses work gloves fire extinguisher etc when performing brazing operations Installthis unit only in a location and position as specified on pages 4 amp 5 This unit is designed only for Indoor installations and should be located with consideration of minimizing the length of the supply and return ducts See Table 4 page 12 and the rating plate for proper circulating airflow data Consideration should also be given to the accessibility of fuel electric power service access noise and shade Physical dimensions for each type of installation is shown on pages 10 amp 11 See Figure 4 for horizontal installations or Figure 5 for Vertical installations Follow all precautions in the literature on tags and on labels provided with the equipment Read and thoroughly understand the instructions provided with the equipment prior to performing the installation and operational checkout of the equipment GENERAL INFORMATION B5SM air handlers are shipped from the factory ready for installation in a horizontal position The units can be easily re configured in the field for vertical applications The return air opening is interchangeable between the botto
23. nt line connections are located on the motor side service side of cabinet and require sweat connections The B5SM 120 air handler has a dual circuit coil and the B5SM 090 has a single circuit coil The B5SM 120 air handler is charged through service valves on the end of the liquid tube for each circuit These must be removed before brazing the line sets The B5SM 090 is charged through a service valve inside the unit which should not be removed Before brazing the B5SM 090 remove the core from the service port Failure to do this may result in a leak at the service valve Replace the core and cap once brazing is complete Optional equipment such as liquid line solenoid valves low ambient etc should be installed in strict accordance with the manufacturer s installation instructions Filter Requirements B5SM air handlers are shipped with three permanent 1 filters however the filter rack can be converted to accommodate a 2 filter To convert to a 2 filter Remove all filters from the unit 2 Locate and remove the 4 screws Figure 1 holding the bottom filter slide assembly latch end to the filter rack frame NOTE Be careful when removing the slide assembly soit does not drop into unit and cause damage to the coil 3 Remove the 4 screws securing the L bracket to the Z bracket 4 Rotate the L bracket 180 degrees and reposition it so it mounts flush with the Z bracket See Figure 1
24. ny y ZS8 0 GGG 0zc S9 0 SSS 619Z cZ 0 SSS 1996 6Z 0 PSS E8ZE uedo sumi ZH 09 u do dH2 6G 0 Z6S Zg0z 89 0 765 O6tc tZ 0 666 68 2 08701 665 t20 c8 0 265 8922 suni z 060 uedo INSSg8 2201 9 229c S80 269 GG0 86 0 LED 99 LOL 069 8E9 6011 629 298E SO 8 0 229 SEZC 6 0 699 L80E 0 L1 699 9 r LEL 899 907 071 299 1196 999 28 7 MA INdY INAD AV INdH INd9 M INdH INJO INdd 451 MA JINdY INSD M INdH IWNJO MA INdH IWJO INdH INJ3O MA iMdu Mao uonisod 01 60 8 0 L 0 9 0 90 ro 60 40 I pOIN uuinjo2 13 M S v ul s inss id nbis JOON Table 4 Blower Performance Data 12 ELECTRICAL INFORMATION 6001 0026017 A09v 0 c 80c Ajessooeu Ji uoneunojul 940UI 40 9Jnje49ji 32npoud ees MOJ q uMOUS SE 10 0W l JO 4801 OU 18 uid 1o15 s v Buneooyl l Aq uonejedo A0 Z 80 40 peunBijuoo oq ew sun zH 09 eseud SNOILOANNOO AlddN S G 1314 21 H1 ASVHd 434 1 5 eui p J OM Aue buepu l lul uonejoJ JOJOW 9S19A91 Z uone4edo zH0S A08 10 2 09 9 40 10198J due 5 seud L SALON AINO 3SVHd 33HHL A0zc 2 09 9 062 802 2 802 2 09 spud aseud lBuis A u nb l i suonep nb5uuo2
25. or future reference Specifications and illustrations subject to change COMPLETE COMFORT GENUINE VALUE without notice or incurring obligations O Fallon MO 7090950 Printed in U S A 01 10
26. pect clean or replace as required Condensate Drain s amp Pan ME Clean condensate drain pan Inspect the flow of condensate through the drain lines Clean or Correct problems as necessary Blower Assembly Inspect the fan belt for wear alignment amp and proper tension Replace or adjust as required Clean the blower wheel and housing Inspect the blower assembly for corrosion and all hardware for security Inspect the blower coil unit casing for corrosion and loose fasteners Coils Inspect the coil fins for excessive dirt or damage Clean or repair if required CERRARSE Air Handler Assm Inspect Mounting Hardware for security and corrosion PS a dad Filter Rack mounting hardware Py EL for 17 nspect panel assemblies for proper ter EHE Figure 9 Maintenance Schedule NOTE The schedule above is for normal duty applications only For severe duty applications adiust schedule as appropriate Additional tasks may be required for severe duty applications l US Usveo ntertek The installer performing this work assumes all responsibility for this installation Safety should always be the deciding factor when installing this product and using common sense plays an important role as well Improper installation of the components or failure to follow safety warnings could result in serious injury death or property damage After completing the installation return these instructions to the equipment owner s package f
27. stallation instructions for installation details N Verify the air delivery of the air handler is adequate to handle the static pressure drop of the coil filter and duct work Y Please consult your dealer for maintenance information and availability of maintenance contracts Please read all instructions before installing the unit Locating the Air Handler Survey the job site to determine the best location for mounting the unit Overhead obstructions poorly ventilated areas and areas subject to accumulation of debris should be avoided Consideration should be given to availability of electric power Service access noise and shade Field Connections for Electrical Power Supply All wiring must comply with current provisions of the National Electrical Code ANSI NFPA 70 and with applicable local codes having jurisdiction Theminimumsize of electrical conductors and circuit protection must be in compliance with information listed on the outdoor unit data label Electrical power supplied to the unit must be adequate for proper operation of the equipment The system must be wired and provided with circuit protection in accordance with local building codes Air Ducts This unit is designed only for use with a supply and return duct Air ducts should be installed in accordance with the standards of the National Fire Protection Association Standard for Installation of Air Conditioning Systems NFPA 90A Standard for In
28. stallation of Residence Type Warm Air Heating and Air Conditioning Systems NFPA 90B and all applicable local codes NFPA publications are avaialable by writing to National Fire Protection Association Batterymarch Park Quincy ME 02269 or visit www NFPA org on the web Design the duct work according to methods described by the Air Conditioning Contractors of America ACCA Thereturn air duct must have the same free area as the opening provided on the blower coil unit Duct work should be attached directly to the unit flanges for horizontal and vertical applications See Figures 4 or 5 pages 10 or 11 Unconditioned Spaces All duct work passing through unconditioned space must be properly insulated to minimize duct losses and prevent condensation Use insulation with an outer vapor barrier Refer to local codes for insulation material requirements Acoustical Duct Work Certain installations may require the use of acoustical lining inside the supply duct work Acoustical insulation must be in accordance with the current revision of the Sheet Metal and Air Conditioning Contractors National Association SMACNA application standard for duct liners Ductlining must be UL classified batts or blankets with a fire hazard classification of FHC 25 50 or less Fiber duct work may be used in place of internal duct liners if the fiber duct work is in accordance with the current revision of the SMACNA construction stand
29. terchange any two field wired leads at the terminal block OR disconnect connections The blower speed has been preset at the factory For optimum system performance and comfort it may be Figure 2 Proper Belt Alignment Figure 3 Proper Belt Tension necessary to change the factory set speed Adjustment of the blower speed is made through varying the pitch of the motor pulley this adjustment allows for a wide range of installation applications Refer to Table 4 page 12 for blower performance data WARNING Never perform maintenance on energized or rotating equipment Always disconnect electrical power and allow all rotating equipmentto stop before servicing the unit Failure to do so may result in personal injury loss of limb or death from electrical shock or entanglement in moving parts UNIT MAINTENANCE The maintenance information listed below should be performed in accordance with the Maintenance Schedule shown in Figure 9 page 16 Filters To clean permanent filters remove the filters and wash gently with mild soap and water Rinse in clean hot water and allow to drain amp dry thoroughly before reinstalling Drain Pan The drain pan andthe drain lines should be cleaned to allow condensate to drain properly Remove any accumulation of residue or sludge from the drain pan Inspect in and around the drain pan for rust holes and leaks V Belts Inspect for cracks tears and excessive or abnor
30. the average voltage in the power supply In this example the measured line voltages were 451 460 and 453 The average would be 454 volts 451 460 453 1 364 3 454 3 Determine the maximum deviation Example From the values given in step 1 the BC voltage 460V is the greatest difference in value from the average 460 454 6 lt Highest Value 454 451 2 3 454 453 1 4 Determine percent of voltage imbalance by using the results from steps 2 amp 3 inthe following equation Example 1 32 6 100 x 454 max voltage deviation from average voltage Voltage Imbalance 100 x 2577775 average voltage The amount of phase imbalance 1 3296 is satisfactory since the amount is lower than the maximum allowable 2 Please contact your local electric utility company if your voltage imbalance is more than 2 Grounding N WARNING Theunit cabinet must have an uninterrupted or unbroken electrical ground to minimize personal injury if an electrical fault should occur Do not use gas piping as an electrical ground This unit must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA 70 or the CSA C22 1 Electrical Code Use the grounding lug provided in the control box for grounding the unit STARTUP AND ADJUSTMENTS Pre Start Check List Prior to start up complete the following inspection N
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