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A.  ATTACH A P-TRAP TO PREVENT AIR INTAKE  

(AVAILAbLE AT MOST HARDWARE STORES.) 

b.  IF YOU NEED WATER 

TO TRAVEL A FURTHER 
DISTANCE, SEE SECTION 
14 bELOW ON HOW  
TO ORDER A PUMP KIT.

A.  TURN ONbOARD KNOb  

TO DESIRED SETTING.

b.  IF YOU PREFER  

EXTERNAL  
CONTROLS, SEE 
SECTION 14 bELOW 
ON HOW TO ORDER. 

REMINDER: ONBOARD 
KNOB NEEDS TO BE SET 
TO 

OFF

 TO USE EXTERNAL 

CONTROLS.

INSERT DRAIN ADAPTER AND  

ATTACH DRAIN HOSE* TO UNIT.

PLUG IN UNIT.

VERIFY WALL OUTLET IS CORRECT 

VOLTAGE AND AMPERAGE.

OUTPUT TO DRAIN OR BUCKET.

UNIT

105 DUAL

  

4032270

155 DUAL

  

4031490

205 DUAL

  

4033060

225 DUAL

  

4035400

Supply Voltage

110-120 VAC

110-120 VAC

110-120 VAC

208-240 VAC

Current Draw

4.9 Amps

8.0 Amps

13.2 Amps

6.9 Amps

Operating Temperature

56°F Min - 95°F Max

56°F Min - 95°F Max

56°F Min - 95°F Max

56°F Min - 95°F Max

Air Filter

MERV-11 Size: 16”x20”x2” MERV-11 Size: 16”x20”x2” MERV-11 Size: 16”x20”x2” MERV-11 Size: 16”x20”x2”

Weight

140lbs

140lbs

150lbs

150lbs

PERFORMANCE @ 80°F AND 60%RH

Capacity

105 Pints / Day

155 Pints / Day

205 Pints / Day

225 Pints / Day

Efficiency

8.8 Pints / kWh

7.3 Pints / kWh

5.7 Pints / kWh

6.1 Pints / kWh

Power Cord

*This unit requires a  

dedicated 20A circuit

9

12

11

13

14

10

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BEFORE TURNING ON UNIT:
1.  CUT AND REMOVE ZIP TIE

2.  PLUG HOLES USING 

INCLUDED PLUGS

CO

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24V

DEHU

*

DMPR

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24V

DEHU

*

DMPR

24V

AC

COMP FAN

HONEYWELL REMOTE HUMIDISTAT 

WIRING DIAGRAM

QUEST DEH 3000R CONTROL

WIRING DIAGRAM

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BEFORE TURNING ON UNIT:
1.  CUT AND REMOVE ZIP TIE

2.  PLUG HOLES USING 

INCLUDED PLUGS

CO

M

FA

N

24V

DEHU

*

DMPR

CO

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24V

DEHU

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24V

AC

COMP FAN

HONEYWELL REMOTE HUMIDISTAT 

WIRING DIAGRAM

QUEST DEH 3000R CONTROL

WIRING DIAGRAM

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BEFORE TURNING ON UNIT:
1.  CUT AND REMOVE ZIP TIE

2.  PLUG HOLES USING 

INCLUDED PLUGS

CO

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FA

N

24V

DEHU

*

DMPR

CO

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24V

DEHU

*

DMPR

24V

AC

COMP FAN

HONEYWELL REMOTE HUMIDISTAT 

WIRING DIAGRAM

QUEST DEH 3000R CONTROL

WIRING DIAGRAM

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BEFORE TURNING ON UNIT:
1.  CUT AND REMOVE ZIP TIE

2.  PLUG HOLES USING 

INCLUDED PLUGS

CO

M

FA

N

24V

DEHU

*

DMPR

CO

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N

24V

DEHU

*

DMPR

24VAC

COMP FAN

HONEYWELL REMOTE HUMIDISTAT 

WIRING DIAGRAM

QUEST DEH 3000R CONTROL

WIRING DIAGRAM

Red

Black

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BEFORE TURNING ON UNIT:
1.  CUT AND REMOVE ZIP TIE

2.  PLUG HOLES USING 

INCLUDED PLUGS

CO

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N

24V

DEHU

*

DMPR

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24V

DEHU

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DMPR

24VAC

COMP FAN

HONEYWELL REMOTE HUMIDISTAT 

WIRING DIAGRAM

QUEST DEH 3000R CONTROL

WIRING DIAGRAM

Red

Black

ADJUST HUMIDITY.

ACCESSORIES

A.  REPLACEMENT FILTER:  Change filters each grow cycle for maximum performance.
b.  bRACKETS: Recommended for hanging the dehumidifier overhead.
C.  PUMP KIT: Allows for draining and transferring water when the unit is not hard plumbed or near a drain.
D.  DUCT KIT: Direct airflow when placing the dehumidifier outside of your grow room.
E.  EXTERNAL CONTROL: Ideal for overhead installation or with duct work.
F.  CASTERS: Recommended for easy mobility.

NEED HELP? CALL US AT (877) 420-1330

TO PURCHASE ADDITIONAL ACCESSORIES FOR YOUR SYSTEM, VISIT 

QUESTHYDRO.COM/PRODUCT-CATEGORY/ACCESSORIES

* YOU CAN USE 

PROVIDED HOSE, 
OR INSTALL PVC TO 
ROUTE WATER. 

14ga 10’, NEMA 5-15P

14ga 10’, NEMA 5-15P

14ga 10’, NEMA 6-15P

14ga 10’, NEMA 5-20P

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