Installation Operation Maintenance
Contents
1. Installation Operation Maintenance Chilled Water Fan Coil Unit Maxxum Model HCCA Size 10 24 d Wm Ken HCCA SVX01A EN TRANE Table Of Contents General Information 3 Basic Unit Fan Board Coil Drain Pan Optional Plenum Filters Figure 1 General Illustration Of Unit HCCA Model Designation 5 Installation 6 Receiving And Handling Installation Considerations Mounting Duct Connections Piping Electrical Connections Table 1 HCCA Unit Operating Weights Table 2 HCCA Unit Net Weights Figure 2 Typical Installation With Rear Return Plenum Figure 3 Duct Work Coil Connections 9 Figure 4 Model HCCA Coil Connections Dimension Data 10 Figure 5 HCCA Unit Without Plenum Figure 6 HCCA Unit With Rear Return Plenum Figure 7 HCCA Unit With Bottom Return Plenum Figure 8 S amp T Drain Pan For Fig 5 6 7 Wiring Diagrams 12 Figure 9 Model HCCA Wiring Diagrams Installation Checklist 13 Start Up Operation 14 Maintenance 15 Periodic Maintenance Checklist Maintenance Procedures Figure 10 HCCA Filter Assembly Figure 11 HCCA Plenum Assembly Figure 12 Fan Board Assembly Figure 13 HCCA Drain Pan Assembly Maintenance Contract Training American Standard Inc 2003 2 HCCA SVX01A EN This service manual covers the installation operation and maintenance of the Trane HCCA chilled water Fan Coil It should be read thoroughly before installing the fan coil unit Basic Unit The2. Side View Figure 6 HCCA Unit With Rear Return Plenum Le O See Note 4 F S pp IAL G 25 4 2 L30 a m d H J ip A i za 54 B LG Cp asss T 344 unction BOX 8 D D1 a Filter NxM Top View Side View American Standard Inc 2003 10 HCCA SVX01A EN 2 TRANE Figure 7 HCCA Unit With Bottom Return Plenum 45 4 Ai TT A 54 B i L D D1 Top View 30 Figure 8 S amp T Drain Pan For Fig 5 6 7 I I l x B gt l P p lt rt wa SSS Adjustable drain pan UNIT SIZE Case amp Drain Pan Size See Note 4 Le E gt 19 1 G 2 gt gt 0 Ni E f 344 i Filter LxM N Inlet Collar Junction Box Side View _ 12 S Detail S Detail T External Dimension B C D l J HCCA 10 921 189 1164 363 409 HCCA 14 997 157 1208 416 409 HCCA 18 1124 171 1349 416 448 HCCA 24 NOTES 1 Dimension is mm 1657 163 1874 2 Right hand coil connection shown 3 External wiring controls not sup
3. Weights kg Row Size 10 14 18 24 3ROW 61 65 85 100 4ROW 64 69 89 107 6ROW 70 77 98 120 W3 8 Nut Figure 3 Duct Work Screw Rivet Chamber aa American Standard Inc 2003 8 HCCA SVX01A EN 2 TRANE Coil Connections Figure 4 Model HCCA Coil Connections Chilled Water Connection e gt i G Hot Water Outlet Connection Note Dimension in mm 25 4mm 1 inch Cooling amp Heating Coil Connection Dimension 10 14 Cooling 3 Row 4 Row 3 Row 4 Row Heating 1 Row 2 Row 1 Row 2 Row Coil Type z Q D Z LU a TO nm GOGO gt Cooling Heating Cooling Heating Sweat inch Thread FPT B C O Inlet D j Outlet Cooling Coil Connection Dimension 3R En A B C Sweat inch Thread FPT Note Dimension in mm 25 4mm 1 inch ES Q a 2 Li 9 HCCA SVX01A EN TRANE Dimension Data Figure 5 HCCA Unit Without Plenum Junction Box See Note 4 L a 20 19 1 L 20 y O T A o O St 54 B d CG m L D D1 d 344 Top View
4. mark within the Junction Box All electrical connections must comply with local electrical codes and ordinances WARNING Disconnect electrical power source and secure in disconnected position before servicing the unit Failure to do so may result in personal injury or death from electrical shock CAUTION Use only copper conductors for wiring connections Unit terminals are not designed to accept other types of wiring Aluminum or other conductors may cause overheating and unit damage Notice The reserved space for power supply cords is 20 mm in diameter Notice Table shows the range of the fan coil units with different heater options Please refer to the current and use the proper power supply cords HCCA SVX01A EN TRANE Table 1 HCCA Unit Operating Figure 2 Typical Installation With Rear Return Plenum Weights 7 EEE without Plenum Operating Weights kg p eg S a S Supporting Structure 4ROW 54 59 76 90 6ROW 62 70 88 105 f S Beek Unit with Plenum Operating Weights kg d NEC a ese aRow 68 74 95 115 oe 6ROW 76 85 107 132 Table 2 HCCA Unit Net Weights Detail A EE HCCA Unit without Plenum Net Weights kg Row Size 10 14 18 24 Unit 3ROW 47 50 66 75 4ROW 50 54 70 82 6ROW 56 62 79 93 W3 8 Suspension Rod W3 8 Lock Washer HCCA Unit with Plenum Net
5. thermostat unit usually includes a motor speed switch an on off switch and a thermostat The on off switch turns the unit on and off and the motor speed switch controls the fan speed The thermostat controls the water line stop valve and usually has a dial to select an approxmate temperature Fan speed control is manually selected at the appropriate position with the speed selector switch labeled Off Hi Med Low The fan will run contnuously at the selected speed until the occupant manually changes the speed setting It is also possible to cycle the fan at the speed selected using a thermostat 14 Fan speed control can also be equipped not provided by this unit with automatic speed control in which the control will adjust the fan speed according to the desired set temperature Although the units may operate with variable speed control Trane cannot warranty proper operation with any particular control Contact Trane if you have questions All HCCA fan coil motors have internal thermal cutout The motors will be de energized if the internal temperature of a motor exceeds 140 C to protect the motors against over heating and burning out The auto reset function will resume the motor operation when the internal temperature of the motor drops below 140 C Coil Venting When water is first introduced into a coil air is sometimes trapped in the coil tubing This trapped air has a tendency to collect at the highest point in
6. Fan Board procedures to remove the fan board for changing the fan housing 7 Remove all screws that fasten the fan housing and fan board together Then the fan housing can be separated from fan board NOTE If the entire fan must be changed the step 4 and 5 can be omitted 8 After replacing the fan housing or fan wheel follow the opposite procedures to re install When reassembling the fan housing make sure the fan wheel is balanced and centered in the fan housing and not rubbing on either side Clean up debris on the fan wheel before start up Changing Motor The Fan Coil Unit will not operate properly without a functionally normal motor If the motor fails order a replacement from the Trane Company The motor should be replaced by completing the following steps 1 Turn off the electrical power source and allow the rotating fan wheel to stop Then disconnect the motor wires from the terminal strip 2 Follow the necessary procedures to remove the debris and return plenum from the unit if applicable 17 3a For size 10 one of the entire fan wheel and housing must be removed first before changing the motor Follow the Changing Fan Housing and Fan Wheel procedures to remove one fan housing and fan wheel from the fan coil unit 3b For size 14 to 24 one of the fan wheel must be removed before changing the motor Follow the Changing Fan Housing and Fan Wheel procedures to remove one fan wheel out o
7. Pa ESP 10 1000 CFM 14 1400 CFM 18 1800 CFM 24 2400 CFM DIGIT 7 Coil Row Connection Side C 3 Row Cooling Right Hand D 3 Row Cooling Left Hand E 4 Row Cooling Right Hand F 4 Row Cooling Left Hand J 3 Row Cooling 1 Row Heating Right Hand K 3 Row Cooling 1 Row Heating Left Hand L 4 Row Cooling 2 Row Heating Right Hand M 4 Row Cooling 2 Row Heating Left Hand N 6 Row Cooling Right Hand P 6 Row Cooling Left Hand S Special DIGIT 8 Electric Heat 220V 240V N None C 2 0 kW 2 4 KW Heater Size 10 24 D 2 5 KW 3 0 kW Heater Size 10 24 E 3 0 kW 3 6 kW Heater Size 10 24 F 3 5 kW 4 2 KW Heater Size 10 24 G 4 0 kW 4 8 kW Heater Size 14 24 H 5 0 KW 6 0 kW Heater Size 18 24 6 0 KW 7 2 kW Heater Size 18 24 J 7 0 KW 8 4 KW Heater Size 24 Only K 8 0 kW 9 6 kW Heater Size 24 Only S Special DIGIT 9 Motor Type M Normal Capacity with Temperature Cutout S Special S TRANE HCCA Model Designation DIGIT 10 Voltage Hertz Phase 1 220 240 50 1 2 220 240 60 1 S Special DIGIT 11 Water Connection N 2 Pipe System Thread Connection Without Valve Package B 2 Pipe System With Single 2 Way 2 Position Valve Without Thermostat C 2 Pipe System With Single 2 Way 2 Position Valve With Cool Thermostat D 2 Pipe System With Single 2 Way 2 Position Valve With Cool Heat Thermostat H 4 Pipe System Wi
8. Trane Model HCCA fan coil unit consisting rigid galvanized steel casing copper tube aluminum fin coil type heat exchanger fan board assembly manual coil air vent with drain pan junction box with terminal strip Unit casing manufactured by 1 2mm thick galvanized steel with internal insulation of 9mm thickness 108 kg m high density non flammable PU foam The standard unit is without return air plenum or selected with bottom return air plenum or rear return air plenum in option while filter is another option associated to the return air plenum General Information S TRANE Fan Board All motors with internal thermal temperature cutout above 140 C are permanent split capacitor three speed tap wound induction type for maximum efficiency Motors have permanently lubricated ball bearings and all direction vibration isolating mountings to ensure vibration free operation and minimum noise Motor wiring is enclosed by flexible metal conduit and connected to the junction box All motors are performed in house test and finished unit test again prior to shipment All unit sizes have both ends shaft for motor The material of fan wheel is galvanized steel and mounted directly onto each shaft The DIDW centrifugal fans have balanced and forward curved blades Fan housings are made of galvanized sheet steel The fan board can be simply removed by loosening the fasteners for easy service purpose Coil Coils are 3 8 inc
9. ay cause overheating and unit damage 13 e Units are checked for shipping damage e Unit location is prepared for weight leveling and service access e Unit is mounted securely to the ceiling support rods e Ductwork connections are complete Coil connections are complete and tight e Condensate drain pan connections are complete and tight e Electrical connections are completed fan switches thermostats e Ground connections are completed e Unit casing is reasonably level e Drain pan is adjusted and pitched to provide proper drainage e Motor blower assembly rotates freely e Units hydrostatically tested and air vented e Debris on the fan wheel and drian pan are cleared Start up preparation is complete and unit is in the proper pre operating mode with switch off e Owner operator is instructed on unit operation e IOM is properly stored for future reference HCCA SVX01A EN TRANE American Standard Inc 2003 Start Up Operation Start Up Before starting the unit complete the above mentioned INSTALLATION CHECKLIST to ensure the proper start up preparation is completed Operation Two basic methods of fan coil control are available 1 fan speed control and 2 cycling of the waterflow to the unit coil The operation of the fan speed control can be implemented by using a simple motor speed switch and a thermostat unit can be used to control the cycling of waterflow The wall mounted
10. cedures to remove the fan board 3 Clean the coil through the opening for the fan discharge on the discharge panel 4 Clean coil e Clean coil by brushig fins with a stiff nylon brush e Then clean coil with a vacuum cleaner e Coil may also be cleaned by using a high pressure air hose and nozzle if a compressed air source is available e Straighten any bent fins 5 Re install the fan board and fasten all necessary screws 6 Re connect the electrical power source It should be pointed out that if the air filter is used and taken care of properly the coils will not need cleaning Cleaning Drain Pan The drain pan should be cleaned to allow condensate flow If it is clogged steps should be taken to clear the debris so that condensate will flow out easily S TRANE Drain Pan Leveling The drain pan is levelable independenly of the fan coil unit This allows it to be leveled easily and fast as well as to pitch it to a maximum angle to accelerate drainage Follow the steps to adjust the slope of the drain pan 1 Loosen nuts which fasten the drain pan suspension screw with unit casing together 2 Using wrench to turn the two M6x50 suspension screws located at the drain side to adjust the slope of the drain pan as shown on Figure 13 L Turn these two screws clockwise will raise the drain side Turn conter clockwise will decline the drain side to accelerate drainage 3 After adjust the drain pan to proper s
11. f the fan housing and motor shaft 4 Lossen the bolt on the other fan wheel from the motor shaft 5 Remove four screws which fasten the motor and motor seat together as shown on Figure 12 H Hold the motor with one hand when removing the last screw to prevent the motor from falling off 6 Take the motor and shaft out of the fan wheel which is still in the fan housing 7 If the motor seat must be changed remove four screws which fasten the motor seat and fan board together as shown on Figure 12 G Then the motor seat be can separated 8 Follow the opposite procedures to re install the new motor Make sure that all wire connections are correct before power on All wire connections must be color matched as shown on Figure 9 After replacing the motor make sure the fan wheel is balanced and centered in the fan housing and not rubbing on either side HCCA SVX01A EN TRANE Figure 12 Fan Board Assembly Discharge Panel American Standard Inc 2003 18 HCCA SVX01A EN Maintaining Motor Bearings Bearings are sealed for life and do not require periodic lubrication Cleaning Coil A clogged or dirty coil will reduce the cooling capacity Clean coil by completing the follwing steps 1 Turn off the electrical power source and allow the rotating fan wheel to stop Then disconnect the power source wires from the terminal strip to ensure safety 2 Follow the Changing Entire Fan Board pro
12. h OD copper tubes mechanically bonded to Wavy 3B aluminum fin collars A manual air vent with drain line to the drain pan is standard to avoid any water drips when venting Standard coils are factory leak tested at 20 kg cm 20 Bar and are recommended for operation up to 13kg cm 13 Bar working pressure Coils are fitted with either sweat connection or female pipe thread connection Cooling while coil has one set of connection hot water heating option have two sets of connection Available coils are 3 row cooling 4 row cooling 6 row cooling 3 row cooling 1 row heating and 4 row cooling 2 row heating Drain Pan The drain pan is 25mm depth with 0 8mm thickness galvanized steel c w internal epoxy resin coating For sure without leakage occur the fabrication of drain pan by one piece stamping process with seamless and no joint The standard insulation material is 5mm thickness 27 kg m density PE foam The drain pan has one 3 4 inch male pipe thread JIS B 0203 1966 connection HCCA SVX01A EN TRANE Figure 1 General Illustration Of Unit Coil Air Vent Drain Pan Filter Option Motor Rear Return Plenum Option Junction Box American Standard Inc 2003 4 HCCA SVX01A EN H C C A 14 C NM 1 1 2 3 4 56 7 8 9 10 DIGIT 1 H High DIGIT 2 C Capacity DIGIT 3 C Concealed DIGIT 4 Development Sequence DIGIT 5 6 Size Nominal CFM 100
13. he following steps 1 Turn off the electrical power source Allow the rotating fan wheel to stop 2 Remove the screw from the junction box cover as shown on Figure 11 E Open the cover and then remove the motor wires and power source wires from the terminal strip 3 Remove the fastener which tightens the flexible conduit and junction box together 4 Pull the flexible conduit with motor wires out of the junction box and return plenum Also remove the power source wires from the junction box 5 Remove all screws that fasten the return plenum and unit casing together as shown on Figure 11 B C and D And then the return plenum can be separated from unit casing CAUTION Due to the dimensions and weights of the return plenum at lease two installers are recommended to do this step for safely 6 Follow the reverse procedures to re install the return plenun and re connect all wires Make sure that all wire connection are correct before turning power on HCCA SVX01A EN TRANE Figure 10 HCCA Filter Assembly Er American Standard Inc 2003 16 HCCA SVX01A EN Changing Entire Fan Board The entire fan board can be changed by competing following steps 1 Turn off the electrical power source and allow the rotating fan wheel to stop Then disconnect the power source wires from the terminal strip 2 Disconnect the ground wire 3 Due to the dimensions weights and tight clearance we suggest followi
14. imizes the possibility that serious damage will occur Regular maintenance ensures the maximum operating life and efficiency of your equipment Training The equipment described in this manual is the result of many years of research and continuous development To assist you in maintaining your equipment at peak operating levels Trane has operation training available through the local Trane Sales Office This training could be provided at nominal charge The principle aim of this is to give operators and maintenance technicians a better knowledge of the equipment they are using or that is under their charge For further information contact your nearest Trane Sales Office HCCA SVX01A EN TRANE North American Group The Trane Company 3600 Pammel Creek Road La Crosse WI 54601 7599 http www trane com An American Standard Company FM 38631 ISO 9001 Qualified factory Trane Taiwan Literature Order Number HCCA SVX01A EN 1103 File Number HCCA IOM 5 Supersedes HCCA SVX01A EN 1001 Stocking location Taipei Taiwan Since The Trane Company has a policy of continuous product improvement it reserves the right to change design and specifications without notice
15. lope retighten the nuts loosened at step 1 to fasten the suspension screw with drain pan and unit casing Changing Drain Pan To remove or change the drain pan complete the following steps 1 Loosen two nuts on each suspension screw which fasten suspension screw with unit casing and with drain pan bracket together as shown on Figure 13 K 2 Turn all suspension screws counter clockwise until remove from the bracket Then the drain pan will be separated from the unit CAUTION Due to the dimensions of the drain pan two installers are recommended to do this step for safety 3 Follow the opposite procedures to re install the drain pan 4 Level the drain pan after re install Make sure the drain pan is pitched properly for condensate drainage 19 Repairing Controls Controls such as thermostats and motor speed switches may be repaired locally repair should be supervised by the control manufacturer representative Service Parts The replacement parts are available through the Trane Company or local Sales Representative When ordering parts the service part number and description must be provided Maintenance Contract It is strongly recommended that you using a maintenance contract with your local Trane Service Agency This contract provides regular maintenance of your installation by a specialist trained in servicing Trane equipment Regular maintenance ensures that most malfunctions are detected and min
16. nd 8 for general unit dimensions For other dimensions refer to the submittal drawings provided by Trane Sales Office not in carton For servicing and routine maintenance must provide access to the unit through removable panels in the ceiling 2 Before installing any unit make sure proper preparation has been made at each unit location for piping and electrical connections 3 Check that the supporting structure is strong enough to support the operating weights as given on Table 1 4 The clearance between drain pan and ceiling should be enough for drain line pitch with a minimun slope of 1 50 5 Ducting connected to units where applicable should not exceed the external static pressure rating of the unit 6 Condensate protection for the chilled water valves and piping must be provided by installer A drain pan extension provided by installer should be located under the valves or else the valves and piping should be thoroughly insulated 7 Units with valve package are equipped with long drain pan which can carry the condensation from water valves Insulation of valve package is not required Mounting The Trane model HCCA units are designed to be suspended from the ceiling on 3 8 16 threaded rods furnished by the installer Holes are provided at the top of the unit see Figures 5 6 7 and 8 for cutout dimensions and locations To install the Trane model HCCA complete the following 1 Install the suspension rods or
17. ng the Removing Plenun Box procedures to remove the return plenum if applicable first before changing the entire fan board 4 Remove the screws fastened at four corners of the fan board as shown on Figure 12 F 5 The fan board can be separated from the discharge panel on the unit casing when all screws are removed CAUTION Due to the dimensions and weights of the fan board at least two installers are recommended to do this step for safely 6 Follow the opposite procedures to re install the fan board Clean up debris on the coil and the inside of unit casing before re installing the fan board Also check for debris on the fan wheel before start up Changing Fan Housing and Fan Wheel The fan housing and fan wheel can be replaced by completing the following steps 1 Turn off the electrical power source and allow the rotating fan wheel to stop Then disconnect the power source wires from the terminal strip to ensure safety 2 Follow the necessary procedures to remove the filter and return plenum from the unit if applicable S TRANE 3 Loosen the bolt located in the center of the fan wheel which fastens the fan wheel and motor shaft together 4 Remove all screws that fasten the fan housing and fan inlet cone together as shown on Figure 12 M 5 Pull out the fan inlet cone from the fan housing and then remove the fan wheel from the motor shaft and fan housing 6 Follow the Changing Entire
18. onnections e Drain and treat the whole system to control pipe scaling CAUTION The use of untreated or improperly treated water in this equipment may result in scaling erosion corrosian algae or slime The services of a qualified water treatment specialist should be engaged to determine what treatment if any is advisable The Trane Company assumes no liability for the results of the use of untreated or improperly treated water Maintenance S TRANE Maintenance Procedures Change Clean Filters Change or clean air filters at least twice a year Filters will require more frequent care under high load conditions or dirty air A clogged air filter reduces airflow and cooling capacity and increases energy consumption Permanent cleanable or replaceable filters are acceptable for all units To Remove or Change Filters 1 Turn off the electrical power source Allow the rotating fan wheel to stop 2 Lossen two screws and brackets at the rear of return plenum as shown on Figure 10 A 3 Pull out the filter and frame from the return plenum 4 Follow the opposite procedure to re install the filrer and frame 5 Re connect the electrical power source To clean permanent filters remove the filrer from the unit and wash it in water to remove dust dirt and lint allow to dry thoroughly before re installing in the unit 15 Removing Plenum Box The return plenum can be removed from the unit casing by completing t
19. other suspension devices which must be provided by the installer 2 Put the upper W3 8 nuts and W3 8 lock washers on suspension rods to prevent unit from upward tilting during unit operation or duct installation as shown on Figure 2 Typical Installion 3 Hoist the unit into position See Table 2 for unit net weights CAUTION Due to the heavy weights ensure safety of all nearby installers when hoisting the unit 4 Put on the lower W3 8 lock washers and then W3 8 nuts to secure the unit as shown on Figure 2 Typical Installion 5 Place the unit to desired angle by adjusting lower nuts up down and then tignten the upper nuts 6 Adjust the slope of the drain pan by turning the drain pan suspension screws up down The drain pan should be pitched to provide proper drainage Note side to side as ewll as end to end level See rain Pan Leveling in maintenance procedures for more details Note Level the unit by checking on the unit casing Do not use the coil or drain pan for leveling as they are pitched to provide proper drainage HCCA SVX01A EN Duct Connections Minimum 24 gauge galvanized sheet metal duct supplied by the installer is recommended to be attached to duct collars provided at the unit air outlet and inlet provided with plenum option only see Figures 5 6 7 and 8 for duct collar dimensions To attach slip the duct over the outlet collar and fasten the duct and collar together with screws or rive
20. plied by Trane 4 See coil connections size and location 5 D standard drain pan D1 extend drain pan 416 448 Represent outine dimension of unit 11 HCCA SVXO1A EN TRANE Wiring Diagrams Figure 9 Model HFCA Wiring Diagrams Switch Box White ES Power High T O O o ol Medium lo olLOW i o o g Factory Std Wiring of HCCA Standard Motor Unit Size 10 18 24 Power Supply Volt Hz 220 50 220 60 220 50 220 60 220 50 220 60 220 50 220 60 High Yellow Black Yellow Black Black Black Wire Color Medium Blue Yellow Blue Yellow Yellow Yellow Low Orange Blue Orange Blue Blue Blue American Standard Inc 2003 12 HCCA SVX01A EN Installation Checklist S TRANE The following checklist is provided as an abbreviated guide to the detailed installation procedures given in this manual This list should be used by the installer to ensure that all necessary procedures have been completed For more complete information refer to the appropriate sections in this manual WARNING Disconnect electrical power source and secure in disconnected position before servicing the unit Failure to do so may result in personal injury or death from electrical shock CAUTION Use only copper conductors for wiring connections Unit terminals are not designed to accept other types of wiring Aluminum or other conductors m
21. s bent corners on cartons or other visible indications of shipping damage 2 If a carton has apparent damage open it immediately and inspect the contents before accepting the unit Do not refuse the shipment Make specific notations concerning the damage on the freight bill Check the unit casing fan rotation coils drain pan filters and all options 3 Inspect the unit for concealed damage before it is stored and as soon as possible after delivery 4 Do not remove damaged material from the receiving location if possible It is the receiver s responsibility to provide reasonable evidence that concealed damage was not incurred after delivery 5 If concealed damage is discovered stop unpacking the shipment Retain all internal packing materials and original cartons Take photos of the damaged material if possible 6 Notify the carrier s terminal of damage immediately by phone and mail if any damage is found Request an immediate joint inspection of the damage by the carrier and consignee 7 Notify the Trane sales representative of the damage and arrange for repair Do not repair the unit however until damage is inspected by the carrier s representative American Standard Inc 2003 Installation Installation Considerations For proper installation and operation check each of the followings before mounting the units 1 Allow adequate space for the unit and free area or service clearances See Figures 5 6 7 a
22. teel 6mm Non Flammable BS476 Part7 Insulation G STD SUS 6mm Non Flammable BS476 Part7 Insulation H Long SUS 6mm Non Flammable BS476 Part7 Insulation STD Galvanized Steel 10mm PE Insulation J Long Galvanized Steel 10mm PE Insulation M STD Galvanized Steel 15mm PE Insulation O Long Galvanized Steel 15mm PE Insulation S Special DIGIT 13 Plenum Filters N Without Return Plenum No Filter With Rear Return Plenum No Filter With Rear Return Plenum 25mm Aluminum Filter With Rear Return Plenum 25mm Foam Filter Wi Wi Wi ith Bottom Return Plenum No Filter ith Bottom Return Plenum 25mm Aluminum Filter ith Bottom Return Plenum 25mm Foam Filter S Special DO VOD TI u DIGIT 14 Design Sequence C Third Notes 1 The wiring of thermostat or zone sensor to motors ZN or valves must be done on job site 2 Non flammable PU insulation meet the regulation of BS476 part7 class 1 and part6 class O HCCA SVX01A EN TRANE CAUTION The installation must be conducted by a qualified technician Receiving And Handling Trane HCCA Fan Coil units are packaged in individual cartons for maximum protection during shipment as well as for easy handling and storage on the job site To protect against loss from in transit damage complete the following upon receipt of the units 1 Inspect individual pieces of the shipment before accepting it Check for rattle
23. th 2 Sets 2 Way 2 Position Valve Without Thermostat 4 Pipe System With 2 Sets 2 Way 2 Position Valve With Cool Heat Thermostat Y 2 Pipe System Sweat Connection Without Valve Package 1 2 Pipe System With Single 2 Way 2 Position Valve With Trane Wall Mounted Zone Sensor ZN510 Cooling Only 2 2 Pipe System With Single 2 Way 2 Position Valve With Trane Wall Mounted Zone Sensor ZN510 Cooling amp Heating 3 2 Pipe System With Single 2 Way Floating Valve With Trane Wall Mounted Zone Sensor ZN520 Cooling Only 4 2 Pipe System With Single 2 Way Floating Valve With Trane Wall Mounted Zone Sensor ZN520 Cooling amp Heating 5 2 Pipe System With Single 3 Way 2 Position Valve With Trane Wall Mounted Zone Sensor ZN510 Cooling Only 6 2 Pipe System With Single 3 Way 2 Position Valve With Trane Wall Mounted Zone Sensor ZN510 Cooling amp Heating 7 2 Pipe System With Single 3 Way Floating Valve With Trane Wall Mounted Zone Sensor ZN520 Cooling Only 8 2 Pipe System With Single 3 Way Floating Valve With Trane Wall Mounted Zone Sensor ZN520 Cooling amp Heating DIGIT 12 Drain Pan A STD Galvanized Steel 5mm PE Insulation B Long Galvanized Steel 5mm PE Insulation C STD SUS 5mm PE Insulation D Long SUS 5mm PE Insulation E STD Galvanized Steel 6mm Non Flammable BS476 Part7 Insulation F Long Galvanized S
24. the coil Therefore a manual air vent is installed at the highest point of the header When there appears to be air trapped in the coil resulting in bubbling or lanking noises within the unit release air from the manual air vent by rotating the knob A pair of pliers can be used if the knob is too tight to turn by hand Turn knob counter clockwise 1 2 turns and allow air to flow out of the air vent until a steady stream of water appears Then retighten knob HCCA SVX01A EN Periodic Maintenance Checklist The following checklist is provided as a recommended maintenance schedule Detailed instructions for specific maintenance procedures are given after the checklist WARNING Disconnect electrical power source and secure in disconnected position before servicing the unit Failure to do so may result in personal injury or death from electrical shock Monthly Maintenance e Inspect the unit air filter Clean or replace clogged filter element e Check the drain pan to be sure that it is clean and free to carry the flow of condensate through the drain line Annual Maintenance e Inspect the unit casing for corrosin Clean or repair in order to provide unit protection Inspect the fan wheel and housing for damage Rotate the fan wheel manually ensuring that no obstructions are blocking its movement Inspect the coil fins for excessive dirt or damage Remove dirt and straighten fins Clean and tighten all electrical c
25. ts as shown on Figure 3 Duct Work Field supplied transition fittings should be used in installations where unit duct collars do not match discharge air grille collars A return duct with plenum can be attached to the return air collar provided at the return plenum To attach slip the return duct over the return air collar and fasten the duct and collar together with screws S TRANE Piping Coil connections To complete piping connections attach the water piping with famale connections copper tube to the coil header and then sweat the connection area thoroughly For optional threaded connections attach the water piping with MPT connection to the coil header and then fasten the connection The water inlet is on the bottom and water outlet on the top of the coil Coil connection size and coil connection locations are given on Figure 4 Refer to submittals for specific connection locations Condensate Drain Connections Either PVC pipe or steel pipe with 3 4 inch FPT connection can be used as a drain line Attach the drain line to the drain connection with tape sealant to prevent leakage A drain line pitch with a minimum slope of 1 50 is recommended Electrical Connections For wiring and installion refer to the wiring diagram decals on each unit located on coil end panel Also see Figure 9 for wiring diagrams A grounding point which must be properly connected to the building grounding system has been provided with a
Download Pdf Manuals
Related Search