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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.

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.

This unit has been tested to the extremes in terms of working conditions and successfully passed all the requirements of
quality, safety and performance.

WARRANTY TERMS

All of the DWL series of indoor 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 mishandling.
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.

Inside every DWL packaging you will find:

- DWL Concealed FCU

1 No

- Service Manual

1 No

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.

CAUTION:
Improper handling and operating procedures might adversely affect the proper functioning of the unit.
Please read carefully this manual before operating the unit.

2

Summary of Contents for DWL SERIES

Page 1: ...CONCEALED CHILLED WATER FAN COIL UNITS DWL SERIES Part Number 800 213 51 Rev 01 INSTALLATION OPERATION MAINTENANCE MANUAL...

Page 2: ...connection 5 Condensate drain connection 5 Unit dimensions 6 Dimensional data coil connections 7 Typical wiring diagram 8 9 Valve packages 10 Parts list 10 Thermostat operation specification data 11...

Page 3: ...rranty 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 mishandling...

Page 4: ...ng heating This thermostat can be supplied loose through separate Kit number TYPICAL THERMOSTAT MODEL DECODING 3 1 2 3 BASIC SERIES 4 5 SIZE x 100 CFM 6 ELECTRICAL SUPPLY V Ph Hz 13 OPTION DWL COOLINE...

Page 5: ...3 FIGURE 2 C Indoor unit installation Cut the top carton panel and mark it with a sketch simulating the FCU Use it as a template for positioning the unit and the corresponding mounting brackets hole s...

Page 6: ...figure 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 If the pipe is routed though a...

Page 7: ...59 10 2 DWL12 1011 39 8 762 30 318 12 5 1067 42 640 25 2 858 33 8 241 9 5 945 37 2 259 10 2 DWL14 1011 39 8 762 30 318 12 5 1067 42 640 25 2 858 33 8 241 9 5 945 37 2 259 10 2 DWL16 1194 47 762 30 368...

Page 8: ...24 12 8 32 1 3 178 7 3 351 13 8 362 14 3 1 DWL10 313 12 3 324 12 8 83 3 3 227 8 9 3 351 13 8 362 14 3 1 DWL12 313 12 3 324 12 8 83 3 3 227 8 9 3 351 13 8 362 14 3 1 DWL14 319 12 6 330 13 83 3 3 227 8...

Page 9: ...CTOR HTR HEATER HVTB HIGH VOLTAGE TERMINAL BLOCK L L1 LINE OR LINE 1 L2 N LINE 2 OR NEUTRAL OHT OVER HEAT THERMOSTAT _ _ _ FIELD WIRING FACTORY WIRING NOTES 1 POWER SUPPLY 220 240V 1PH 50Hz 2 MOTORS T...

Page 10: ...COOLING EV1 ELECTRIC VALVE HEATING FM FAN MOTOR GND LUG GROUND HVTB HIGH VOLTAGE TERMINAL BLOCK L L1 LINE OR LINE 1 L2 N LINE 2 OR NEUTRAL _ _ _ FIELD WIRING FACTORY WIRING NOTES 1 POWER SUPPLY 220 24...

Page 11: ...ancing valve One 3 way motor valve 10 PARTS LIST MODEL NUMBER DWL02 03 04 DWL06 08 DWL10 12 14 DWL16 18 DWL20 FAN DECK ASSEMBLY 800 089 75 800 089 71 800 089 72 800 089 73 800 089 76 BLOWER MOTOR 800...

Page 12: ...ng 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 FAN MODE Posi...

Page 13: ...lue 0 1K Hysteresis 0 5K Switching current at 250 VAC 3 2 A Maximum fan current 6 3 A Sensor system NTC in housing Optional Remote Sensor 193720 Switches Heat Off Cool Fan 3 Fan Speed Indicator lamps...

Page 14: ...ion 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 sho...

Page 15: ...e from the bottom of the unit for removing servicing the blower motor deck 3 Servicing instructions a Remove the bottom panel b Support the blower deck while unscrewing the 4 blower deck holding bolts...

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