Quest – Sunlight Supply Quest Dual 155 Overhead Dehumidifier User Manual
Page 12
quest
Asset Protection and IAQ Solutions
quest
1-800-533-7533
Quest 105, 155, and 205 Dual
Installation, Operation and Maintenance Instructions
12
www.QuestProtect.com
• Blower does not run with fan switch in either position. Compressor runs briefly but cycles
on and off.
1.
Loose connection in blower circuit.
2.
Obstruction prevents impeller rotation.
3.
Defective blower.
4.
Defective blower switch.
• Evaporator coil frosted continuously, low dehumidifying capacity.
1.
Dirty air filter or air flow restricted.
2.
Defrost thermostat loose or defective.
3.
Low refrigerant charge.
If none of the above has fixed the issue, call technical support at 1-800-533-7533.
9. Service Parts List
10. Accessory/Replacement Parts List
4021475
MERV 11 Filter (16”x20”x2”)
4027420
MERV 11 Filters 4-Pack
4027424
MERV 11 Filters 12-Pack
4028614
Pump Kit
4028616
Caster Kit
4028607
Supply Duct Kit (includes two 10” collars)
Part No
Description
4031086-02
Evaporator Coil E-Coat
4025741
(105, 155) Thermostat Defrost Control
4032229
(205) Thermostat Defrost Control
4032226
(105) Compressor Replacement Kit
4032225
(155) Compressor Replacement Kit
4032224
(205) Compressor Replacement Kit
4029568
(105) Compressor Overload
4029714
(155) Compressor Overload
4031574
(205) Compressor Overload
4032196
(105) Impeller
4026657
(155) Impeller
4031089
(205) Impeller
Part No
Description
4021469
(105, 155) Humidistat
4027172
(205) Humidistat
4033031-02
(105) Blower Capacitor, Run,
5MFD,
370V
4033031-07
(155) Blower Capacitor, Run,
15 MFD, 370V
4033031-08
(205) Blower Capacitor, Run,
20 MFD, 370V
4033032-03
(105) Compressor Capacitor, Run,
35 MFD, 370V
4033032-05
(155, 205) Compressor Capacitor, Run,
45 MFD, 370V