INSTALLATION, OPERATION & MAINTENANCE MANUAL
Contents
1. FACTORY WIRED MOTOR LEADS WHT BLK YEL BLU ORN RED APPLICABLE FREQUENCY IN HZ COM COM HIGH HIGH MED MED LOW LOW 50 50 COM COM COM HIGH HIGH HIGH MED MED MED LOW LOW LOW 50 50 50 LEGEND AUXILIARY TERMINAL BLOCK COMMON CONTROL RELAY ELECTRIC VALVE COOLING FUSE LINK FAN MOTOR LUG GROUND HEATER CONTACTOR HEATER HIGH VOLTAGE TERMINAL BLOCK LINE OR LINE 1 LINE 2 OR NEUTRAL OVER HEAT THERMOSTAT FIELD WIRING FACTORY WIRING NOTES POWER SUPPLY 220 240V 1PH 50Hz USE COPPER CONDUCTOR WIRES ONLY USE HEATER AS PER OPTION REQUIRED IF HEATERS ARE FACTORY INSTALLED PLEASE READ BROKEN LINES AS CONTINUOUS LINES FM2 NOT REQUIRED FOR SINGLE MOTOR AHU IF FM2 IS FACTORY INSTALLED PLEASE READ BROKEN LINES AS CONTINUOUS LINES HEATER 2 IS NOT REQUIRED FOR SINGLE HEATER CIRCUIT FREE END OF FAN MOTOR LEADS TO BE CAPPED WITH CRIMPABLE WIRE NUT HVTB NOT REQUIRED FOR HEATER MODELS MOTOR THERMALLY PROTECTED FUSED DISCONNECT SWITCH OR CIRCUIT BREAKER TO BE PROVIDED BY CONSUMER WITH RATING AS RECOMMENDED BY MANU FACTURER TYPICAL SCHEMATIC WIRING DIAGRAM HEAT COOL MODELS HOT WATER LEGEND AUXILIARY TERMINAL BLOCK COMMON CONTROL RELAY ELECTRIC VALVE C2. PACKAGES Valve packages as a set are available as an option 3D for two pipe system and 4D for four pipe system These valves are supplied loose for field installation THERMOSTAT An attractive wall mount three speed thermostat with all required functions and features for safe and smooth operation which can be used for cooling amp heating This thermostat can be supplied loose through separate Kit number a sa c I B 3 pa oe Tao TYPICAL THERMOSTAT GENERAL INFORMATION Thank you for your purchase of this equipment from the COOLINE Air Conditioners We trust that this unit will provide you with the proper Cooling Heating requirements for years to come This unit has been tested to the extremes in terms of working conditions and successfully passed all the requirements of quality safety and performance However we would suggest that you read carefully this manual before you proceed with the installation and operation of this equipment and follow the instructions for a safe trouble free operation WARRANTY TERMS All of the VWL series of indoor vertical fan coil concealed units are covered by the standard warranty terms against any manufacturer defect Should you encounter any problem that falls under the warranty terms please contact your nearest COOLINE representative INSPECTION PROCEDURES The moment you receive this unit check the packaging carton for any visible damage due to shipment and mi
3. 800 707 57 amp 58 800 707 57 amp 58 BLOWER MOTOR 800 827 17 800 827 08 800 827 11 800 827 08 800 827 11 RETURN AIR FILTER 800 248 20 800 248 22 800 248 23 800 248 25 800 248 26 VALVE PACKAGE 3D COOL ONLY 700 361 62 700 361 62 700 361 62 700 361 62 700 361 62 THERMOSTAT 800 646 20 800 646 20 800 646 20 800 646 20 800 646 20 NOTE For 4D type valve package order 2 x 3D valve packages THERMOSTAT OPERATION amp SPECIFICATION DATA raana CA a I O TF A VA OPERATING INSTRUCTIONS SYMBOL FUNCTION OFF mode switch position COOL mode switch position FAN mode switch position HEAT mode switch position Temperature set button increasing Temperature set button decreasing LOW fan speed switch position MEDIUM fan speed switch position HIGH fan speed switch position FUNCTION COOLING MODE Position the switch S1 to COOL mode function Set desired temperature setting by pressing the or button to increase or decrease the set value displayed on the LCD of the thermostat Fan speeds can be selected by positioning the switch S2 to LOW speed MEDIUM speed HIGH speed HEATING MODE Position the switch S1 to HEAT mode function Set desired temperature setting by pressing the or button to increase or decrease the set value displayed on the LCD of the thermostat Fan speeds can be selected by p
4. G 1 283 485 6 7 8 9 10 11 12 13 BASIC SERIES SIZE ELECTRICAL COIL HEATER ACCESSORIES FIN COIL FILTER OPTION x 100 CFM SUPPLY V Ph Hz CONNECTION VWL 03 B 220 240 1 50 A 3 ROW CHILLED N NOHEATER N STANDARD A ALUMINUM R RH SIDE N NONE N STANDARD COOLINE WATER E 3 kw FIN STANDARD UNIT CONCEALED 04 Js GALERA E B 3D VALVE PACKAGE FACING AIR A ALUMINUM CHILLED F 4 kw COOLONLY B COATED DISCHARGE 1 THICK WATER FAN 7 WATER 1 ROW ALUMINUM COIL UNIT 06 HEAT N NOHEATER K 4DVALVEPACKAGE FIN LH SIDE VERTICAL G 5 kW HEAT amp COOL OPTIONAL SERIES 08 C COPPER FIN FACING AIR H 6 kW DISCHARGE 10 J 7 kw OPTIONS ELECTRICAL HEATERS The heating element is made of tubular finned sheath coil of the highest grade resistance wire precisely centered in a 1 2 dia Copper plated steel sheath and insulated from the sheath by magnesium oxide powder Through the application of mechanical force the powder is packed to a rock like density insuring rapid heat dissipation from the resistance coil to the sheath section at each end of the element is unheated to remove source of heat from the terminals The surface area exposed to the air is increased by the application of 1 1 4 OD fins The fin is made of steel wound around the element in a continuous spiral which makes five turns per linear inch of element The sheath and fin are permanently bonded together by copper brazing VALVE
5. INSTALLATION OPERATION amp MAINTENANCE MANUAL CONCEALED CHILLED WATER VERTICAL FAN COIL UNITS VWL SERIES INDEX Contents Page Mogel decoddingu ua ase aed ae eee 2 Options ALABANG 2 General information i 3 Warranty Term S essnee 9 INSpection procedures leali eee 3 Safety ISSUCS 2 a alien aa eee 3 Installation procedures uuu iaia 4 Location or aa a BATAN sade case S den 4 Site heed A Ae eects 4 Indoor unit installation eee S eee anan anG GNG eee E AE eee eee cane R I A EEA E 4 PIPING CONMECHOMG ii An hana aa Dn 5 Condensate drain connection sissies Qh eee en ead 5 Electrical connection seereis ia ia a a n ade a ada li eee ad a ae 5 Unit dimensions ah een ee iid eee E ed ee 6 Coil connection dimensions Ssni nannan a NENENG NGA a mh a aaa aa aaa 6 Typical wiring diagram Na 7 8 Valve paelles 9 aa RL Ina Leslie 9 Thermostat operation amp specification data ii 10 11 Maintenance na haat leet cigs ended eil a 12 CONTINUING RESEARCH RESULTS IN STEADY IMPROVEMENTS THEREFORE THESE SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE MODEL DECODIN
6. OOLING ELECTRIC VALVE HEATING FAN MOTOR LUG GROUND HIGH VOLTAGE TERMINAL BLOCK LINE OR LINE 1 LINE 2 OR NEUTRAL FIELD WIRING FACTORY WIRING NOTES POWER SUPPLY 220 240V 1PH 50Hz USE COPPER CONDUCTOR WIRES ONLY IF EV1 IS FACTORY INSTALLED PLEASE READ BROKEN LINES AS CONTINUOUS LINES OPTIONA N 4 FM2 NOT REQUIRED FOR SINGLE MOTOR te AHU IF FM2 IS FACTORY INSTALLED PLEASE COM Sa READ BROKEN LINES AS CONTINUOUS LINES FREE END OF FAN MOTOR LEADS TO BE CAPPED WITH CRIMPABLE WIRE NUT MOTOR THERMALLY PROTECTED FUSED DISCONNECT SWITCH OR CIRCUIT BREAKER TO BE PROVIDED BY CONSUMER WITH RATING AS RECOMMENDED BY MANU FACTURER l NINEN sN 2 NI FACTORY WIRED MOTOR LEADS APPLICABLE WHT BLK YEL BLU ORN RED FREQUENCY IN HZ COM HIGH MED LOW 50 COM HIGH MED LOW 50 COM HIGH MED LOW 50 COM HIGH MED LOW 50 COM HIGH MED LOW 50 VALVE PACKAGES VALVE PACKAGE 3 D COOL ONLY Two gate shut off valves One balancing valve One 3 way motor valve VALVE PACKAGE 4 D COOL amp HEAT Four gate shut off valves 2 Two balancing valves Two 3 way motor valves PARTS LIST MODEL NUMBER DESCRIPTION VWL03 VWL04 VWL06 VWL08 VWL10 BLOWER WHEEL 800 707 58 800 707 57 amp 58 800 707 57 amp 58
7. Off Cool Fan 3 Fan Speed Indicator lamps Cool Heat PHYSICAL DATA Color Polar white Material ABS plastic Protection class IP30 Plastic Weight 130 grams Accessories Base plate and screws Option Transparent wall mounted housing lockable with ventilation slit DIMENSIONS BASE PLATE THERMOSTAT HOUSING PROTECTION OPTIONAL NOTE All dimensions are in mm MAINTENANCE A Warning Before you attend to any routine maintenance make sure that the electrical power is disconnected Avoid spilling any liquid on the thermostat Always allow for 1 to 2 minutes before activating different commands COIL CLEANING Coil may be cleaned by removing and brushing between fins with a stiff wire brush Brushing should be followed by cleaning with vacuum cleaner The coil may also be cleaned by using a high pressure air if compressed air source is available It should be pointed out that if air filters are used and periodically cleaned the coils will not be clogged up prematurely DRAIN PIPE Drain pipe should be checked before summer operation of unit If it is clogged steps should be taken to clear the debris so that condensate will flow out easily A standard pipe cleaner for 1 2 ID pipe may be used Periodic checks of the drain pipe should be taken during summer operation as there is a possibility of it becoming clogged with dirt FILTER CLEANING Rem
8. er wires as per wiring diagram Connect ground wire to the ground lug inside the control box UNIT DIMENSIONS MODELS 03 VWL10 171 6 7 148 5 8 E TOP VIEW a 158 6 2 95 3 7 95 3 7 127 5 0 1 0 SEO 180 7 1 102 4 0 gt RETURN AIR 10 0 4 E 19 0 7 193 7 6 230 9 1 FRONT VIEW END VIEW NOTE All dimensions are in mm dimensions in brackets are in inches Mounting holes 4 No DIMENSIONS Air vent No OF MOTORS No OF BLOWERS j 7 A B Drain pan 5 8 OD coil outlet 597 23 5 559 22 457 18 1 5 8 OD coil inlet 851 33 5 813 32 711 28 1 7 8 OD drain 1105 43 5 1067 42 965 38 1 Control box 1511 59 5 1478 58 1372 54 2 Heater 1715 67 5 1676 66 1575 62 2 Filter 0 Return air 193 7 6 la 163 6 4 171 6 7 104 4 1 82 3 2 154 6 1 KW 555 21 9 575 22 6 550 21 7 401 15 8 E 102 4 0 102 4 0 ca CHILLED WATER CHILLED WATER amp HOT WATER NOTE All dimensions are in mm dimensions in brackets are in inches TYPICAL SCHEMATIC WIRING DIAGRAM HEAT COOL MODELS ELECTRIC HEATER
9. ositioning the switch S2 to LOW speed MEDIUM speed HIGH speed FAN MODE Position the switch S1 to FAN mode function Fan speeds can be selected by positioning the switch S2 to LOW speed MEDIUM speed HIGH speed UNIT OFF Position the switch S1 to OFF position to turn off the unit Notes 1 Start up display When power is supplied to the thermostat the LCD indicates a flashing display of the standard set point value Press the amp button at the same time to change the display to ambient temperature 2 Set point adjustment When the or button is pressed the thermostat assumes the temperature set point setting mode and the present set point is displayed The displayed set point can now be adjusted in 0 5K steps to the required value After 3 seconds approx the actual temperature will then be displayed 10 PRODUCT DATA Part Number 800 646 20 Switches Fan speed high med low Heat Fan Cool Off Outputs Heat Cool Fan speed high med low Inputs Remote sensor optional TECHNICAL DATA Operating voltage 230V 10 AC 50 60 Hz Operating ambient 0 C to 40 C Temperature range 5 C to 30 C Selectivity of set value 0 5K Display range actual value O 40 C Selectivity of actual value 0 1K Hysteresis 0 5K Switching currentat250VAC 3 2 A Maximum fan current 6 3 A Sensor system NTC in housing Optional Remote Sensor 193720 Switches Heat
10. ove access panel slide filter out of filter rack and clean as follows Tap filter on solid surface to dislodge heavy particles Wash under stream of hot water If filter has been put to exceptional service a mild solution of Sal Soda Tri Sodium Phosphate or any other commercial solvent can be used Set filter on end with slots in frame down which allows it to drain Filters should dry thoroughly before reuse REPLACEMENT PARTS When writing for replacement parts refer to model number and serial number on the nameplate of the unit ROUTINE PREVENTIVE MAINTENANCE Clean the thermostat box with a dry soft cloth Remove the filter by a jet of air in the reverse return air direction Inspect the condensate pipe for clogging 12
11. ping B Site Preparation The site for the FCU installation should be free from any obstacle that can be hazardous to the installation personnel and or damaging to the unit Properly identify all existing building utilities such as NE electrical cables plumbing pipes sanitary hardware etc Make sure that live electrical cables are not hanging or FIGURE 1 running near the FCU proposed location or obstructing in any way the movement of the installation personnel Clear the floor from all objects with sharp edges Remove liquid or slippery material from the installation Da a site before proceeding PAS 8 FIGURE 2 C Indoor unit installation Unit can be installed on the floor or mounted on the wall After unpacking the unit cut the rear carton panel and mark it with a sketch simulating the FCU Use it as a template for positioning the unit and marking the corresponding mounting slots to the wall Put the template against the wall and mark the corners Make sure that you leave sufficient space clearance for unit maintenance chilled water piping and control valve connections Transfer the mark from the template to the wall as shown in figure 1 Drill 4 holes if the unit is to be mounted on the wall Make only 2 holes top and each side for floor mounted units After drilling the holes insert wall plugs into the holes and install suitable screws with washers as sho
12. shandling If you suspect any damage to the unit please call your nearest COOLINE representative After you open the carton make sure that there is no visible damage to the body Check the condition of the protective Styrofoam Manually rotate the blower wheels to make sure that it is running freely NOTE Any damage visible or concealed should be reported immediately to the delivery man or driver and noted on the shipping invoice Inside every VWL packaging you will find VWL Concealed FCU 1 No Service Manual 1 No SAFETY ISSUES When performing any task pertaining to the installation and servicing of the unit the skilled technician should observe the following safety measures WARNING Electric shock hazard and or serious injury from rotating parts can result from improper handling and servicing Only skilled and trained technicians should attempt at installing and servicing these units Improper handling and operating procedures might adversely affect the proper functioning of the unit Please read carefully this manual before operating the unit CAUTION INSTALLATION PROCEDURES A Location of units The Indoor FCU should be ideally located in a floor or hung to a wall that is near to the conditioned area where O the access to the chilled water piping connection is easy Position the FCU in a way to avoid obstruction to return airflow supply air electrical cable connections condensate drain pipe and chilled water pi
13. wn in figure 2 Lift the unit and engage the screws in the slots figure 3 Tighten the screws FIGURE 3 D Piping connection SWEAT CONNECTION WATER INLET WATER OUTLET VWL 03 5 8 5 8 VWL 04 5 8 5 8 VWL 06 5 8 5 8 VWL 08 5 8 5 8 VWL 10 5 8 5 8 MODEL NUMBER Note The water lines must be installed level in both the horizontal amp vertical plane Insulation of pipes The pipe insulation should cover both inlet amp outlet pipes as shown below WATER IN KM 7 WATER OUT i WATER OUT WATER IN YA INSULATION YES NO E Condensate Drain connection Use PVC Class 3 material for the condensate drain piping 3 4 Provide a P trap immediately at the condensate drain connection Run your piping avoiding bends and elbows Pitch the piping away from the unit with 2 100 slope _ WATER OUT NN lt j 7 WATER IN NO If the pipe is routed though a room or an unconditioned space insulate to avoid condensation on its outer walls F Electrical connection Please ensure power supply V Ph Hz to the unit is as per unit nameplate requirements Caution Operation of the unit on improper power supply will result in damage to the unit Warning Before installation or servicing always TURN OFF all power to the unit There may be more than one discon nect switch Ensure all of them are turned off Ground amp Power wires Connect pow
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