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Quest CDG 174 

Installation, Operation and Maintenance Instructions

  

1-877-420-1330

 

13

www.QuestHydro.com

info@QuestHydro.com

6 Service Parts

Item 

Description 

Qty  Part No.

Top Cover 

1    4035206

Top Cover Hinge 

2   4027267

Wheel 12” Gray 

2   4026304

Cotter Pin 3/32” 

2   1284404

Air Filter 1.75 x 15.5 x 19.5 

1    4021475

Hose Vinyl 0.56 ID x 24 

1    4029894

Hose Vinyl 0.38 ID 

1    4021909

Hose Vinyl 0.25ID x 33 

1    4024916

Coupling Body 0.25 Tube 

1    4024910

10 

Coupling Insert 0.38 Tube 

1    4023080

11 

Control Board 

1    4033674

12 

Capacitor Compressor

 

55mfd 370V

 

1   4033032-06

13 

Capacitor Impeller 15mfd 371V

 

1   4035235-07

14 

Thermistor (not shown) 

1    4034716-01

15 

Cord (14ga, 25’) 

1    4037569

16 Compressor 

11.9KBTU R410a

 

1   4034763

17 

Overload Compressor 

1    4034033

18 

Evaporator Coil 

1    4034474-05

Item 

Description 

Qty  Part No.

19 

Condenser Coil 

4028566

20 

Condensate Pump 

4034605-01

21 

Fan Motorized Impeller 

4026657

22 

Inlet Ring 

4034811

23 

Wire Duct Collar 

4028593

24 

Relay SPST 100/120V 25A 

1970010

25 

Filter Drier (not shown) 

4029510

26 

Wire Harness (not shown) 

4034895

27 Handle 

1  4026094

28 

Bolt M10-1.5 X 35 

1177792

29 

Washer M10 X 30 

4025517

30 

Hex Lock Nut M10-1.5 

1223780

31 

Humidity Controller 

4027172

32 Knob 

1  4021495

33 

Skid Panel 

4035913

1, 5, 8

7, 9, 10

3, 4

19

18

15

2

24

23

21, 22

16, 17

6

20

11

 

27, 28

29, 30

12

13

31, 32

Figure 4

33

Summary of Contents for CDG 174

Page 1: ...oceed successfully Ultimate satisfaction depends on the quality of installation and a thorough understanding of this equipment The dehumidifier is built around tested engineering principles and has pa...

Page 2: ...5 2 5 Ducting 5 2 6 POWER Button 5 2 7 PURGE Button 5 2 8 Humidistat 6 2 9 HOURS Button 6 2 10 DEFROST Light 6 2 11 Defrost Cycle 6 2 12 Low Pressure Control 6 3 Maintenance 7 3 1 Air Filter 7 3 2 Sto...

Page 3: ...nd service DO NOT INSTALL UNIT WITH THE SERVICE PANELS INACCESSIBLE Avoid directing the discharge air at people or over the water in pool areas If used near a pool or spa be certain there is NO chance...

Page 4: ...sate hose into a drain or a very large container and turn on To decrease drying times make sure all windows and doors are closed to the outside and seal off the wet area from any unaffected areas 2 1...

Page 5: ...it overlaps the outside of the collar The duct and collar may then be quickly attached to the Quest CDG 174 by snapping the collar over the four screws at the blower outlet 2 6 Power Button Press the...

Page 6: ...evaporator temperature does not reach the desired temperature the compressor will start after 15 minutes The system will start a timed defrost cycle The timed defrost cycle ensures the unit will cont...

Page 7: ...evel in the reservoir 5 Flush with water 4 Service CAUTION Servicing the Quest CDG 174 with its high pressure refrigerant system and high voltage circuitry presents a health hazard that could result i...

Page 8: ...d POWER button does not turn ON 1 Unit unplugged or no power to outlet 2 Defective control board 3 Loose connection in internal wiring No dehumidification neither hour meter display nor compressor run...

Page 9: ...ycle 5 Air filter dirty 6 Defective defrost thermistor 7 Low refrigerant charge 8 Air leak such as loose front cover 9 Defective compressor 10 Restrictive exhaust or inlet ducting Unit runs but does n...

Page 10: ...ure in reverse 4 6 Thermistor Replacement The defrost thermistor probe is inserted into the coil measuring coil temperatures and reacts accordingly To replace thermistor 1 Remove top cover and filter...

Page 11: ...the plastic plug on the right side see Fig 4 out from inside the unit 3 Locate the heavy vinyl hose that connects the drain pan to the condensate pump Pull the end out of the pump 4 Remove tie wrap h...

Page 12: ...4 1 COMPRESSOR RELAY LOW PRESSURE SWITCH COMPRESSOR R C S PUMP NC NO YEL TERMINAL BLOCK WIRE CAPACITOR COMPRESSOR CAPACITOR IMPELLER SAFETY PROBE IMPELLER CAPACITOR 2 6 20 BLK 13 16 19 WHT 12 WHT 9 1...

Page 13: ...citor Impeller 15mfd 371V 1 4035235 07 14 Thermistor not shown 1 4034716 01 15 Cord 14ga 25 1 4037569 16 Compressor 11 9KBTU R410a 1 4034763 17 Overload Compressor 1 4034033 18 Evaporator Coil 1 40344...

Page 14: ...The end user is responsible for normal care This warranty does not cover any defect malfunction etc resulting from misuse abuse lack of normal care corrosion freezing tampering modification unauthori...

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