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Heat Controller, Inc.

Portable Dehumidifier with R-410A

BHD-G Service Manual

12

6.3.3 Humidity sensor check

6.3.4 Fail to start or fail to start motor

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Содержание BHD-301-G

Страница 1: ...Heat Controller Inc 1900 Wellworth Ave Jackson MI 49203 517 787 2100 www heatcontroller com SERVICE MANUAL Portable Dehumidifer Series with R 410A BHD 301 G BHD 501 G BHD 651 G...

Страница 2: ...3 3 Operation with Water Tank 4 3 4 Operation with Continuous drainage 5 3 5 MAINTENANCE 5 4 Electronic function 6 4 1 Powering on the unit 6 4 2 Setting the relative humidity 6 4 3 Continuous Dehumi...

Страница 3: ...a jumper lead between the two 2 live test pins 2 The grounding conductor yellow green should be open 3 Measure the resistance value with an ohm meter between the jumped lead and each exposed metallic...

Страница 4: ...ferred set the fan control to Normal 5 TIMER Press to initiate the Auto start and Auto stop feature in conjuction with the and keys 6 Display Shows the set humidity level from 35 to 85 or auto start s...

Страница 5: ...rd to the proper power recepticable The unit s program will run a self check if it is normal the power indicator flashes at 0 5Hz Press Power button now the unit will start operating under DEHUMIDIFYI...

Страница 6: ...s thinners or other chemical agents to clean the unit as this may damage the unit Do not wash the unit directly under a tap or hose The electrical components inside may be damaged and the unit become...

Страница 7: ...ovide better air circulation When the humidistat senses that the room s actual humidity is 5 higher than the set humidity of 35 in continuous mode the compressor will restart and begin to dehumidify t...

Страница 8: ...r discharge valves reducing the ability of the compressor to pump refrigerant gas This condition can be checked as follows 1 Install a piercing valve on the suction and discharge or liquid line 2 Atta...

Страница 9: ...ogen through the system and unsolder the more distant connection first Filter drier high side process tube etc 5 Replace inoperative component and always install a new filter drier Add dry nitrogen th...

Страница 10: ...gerant charge is extremely critical Measure charge carefully as exact as possible to the nameplate charge 2 The correct method for charging the rotary compressor is to introduce liquid refrigerant int...

Страница 11: ...the pointer then gradually move back to infinity 4 Reverse the leads of the probe and momentarily touch the capacitor terminals The deflection of the pointer should be two times that of the first chec...

Страница 12: ...nd fan motor will shut down and the water full indicator will flash with LED displaying P2 Under this situation all buttons are deactivated After the water is removed the unit will restore operating a...

Страница 13: ...Heat Controller Inc Portable Dehumidifier with R 410A BHD G Service Manual 12 6 3 3 Humidity sensor check 6 3 4 Fail to start or fail to start motor...

Страница 14: ...heck the voltage of P1 P2 on main PCB Replace the main PCB if no voltage Capacitor Discharge capacitor before testing Test capacitor Replace if not within 10 of manufacturer s rating Replace if shorte...

Страница 15: ...er Clean if restricted Condenser and Evaporator Clean if restricted Fan motor Check the fan capacitor and replace if not within 10 of manufacturer s rating Room structure Ensure that the room the unit...

Страница 16: ...BHD G Service Manual Portable Dehumidifier with R 410A Heat Controller Inc 15 7 Wiring Diagram...

Страница 17: ...04 2009 05 2010...

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