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D. Piping connection

MODEL NUMBER

SWEAT CONNECTION

WATER INLET

WATER OUTLET

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

1/2"

DWL 02

DWL 03

DWL 04

DWL 06

DWL 08

DWL 10

DWL 12

DWL 14

DWL 16

DWL 18

DWL 20

FIGURE - 4

E. Condensate Drain connection

- Use PVC Class 3 material for the condensate drain piping (3/4

"

) as per 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 room (or an unconditioned space) insulate to avoid condensation on its outer walls.

Note: 

The water lines must be installed level in both the horizontal & vertical plane.

Insulation of pipes

The pipe insulation should cover both inlet & outlet pipes as shown below.

INSULATION

NO

NO

YES 

WATER OUT

INSULATION

WATER IN

WATER OUT

WATER IN

WATER IN

WATER OUT

5

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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