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Heat Pipe Technology BKPOOL 300 Installation Operation & Maintenance

Commercial high efficiency heat pipe dehumidifier
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MANUAL
INSTALLATION, OPERATION & MAINTENANCE
Commercial High Efficiency
Heat Pipe Dehumidifier
Model BKPOOL
Model BKPOOL
Model BKPOOL
Model BKPOOL
Model BKPOOL
Model BKPOOL
Heat Pipe Technology, Inc.
6904 Parke East Blvd. Tampa FL 33610
Tel: (813) 470-4250
http://www.heatpipe.com
E-mail: info@heatpipe.com
300
TM
300-AC
TM
400
TM
400-AC
TM
500
TM
500-AC
TM
8/12/05

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Summary of Contents for Heat Pipe Technology BKPOOL 300

  • Page 1 INSTALLATION, OPERATION & MAINTENANCE Commercial High Efficiency Heat Pipe Dehumidifier Model BKPOOL Model BKPOOL 300-AC Model BKPOOL Model BKPOOL 400-AC Model BKPOOL Model BKPOOL 500-AC Heat Pipe Technology, Inc. 6904 Parke East Blvd. Tampa FL 33610 Tel: (813) 470-4250 http://www.heatpipe.com E-mail: info@heatpipe.com...

  • Page 2: Installation

    Model BKPOOL 300, 300-AC, 400, 400-AC 500, 500-AC INSTALLATION, OPERATION & MAINTENANCE 1. GENERAL DESCRIPTION The BKPOOL s are commercial high efficiency dehumidifiers. They are radically different from other dehumidifiers because of the proprietary heat pipe used to exchange heat between the warm intake air and the cold air discharge from the evaporator.
  • Page 3 3.2 CONDENSATE DRAIN The BKPool s are supplied with a condensate gravity drain outlet. For the gravity drain, the pipe must have a downward slope for the entire distance to the outside. If installed above the ceiling, the pipe must be supported every 3 or 4 feet to prevent sagging.
  • Page 4 Note: BKPOOL This -AC remote line sizing applies to most applications, up to 50 feet horizontal, and within 10 feet vertical (ACR OD line sizes). 3.41 Long Line Sets (50 ft or Longer) For line sets where there are no vertical sections greater than 10 ft. and for lengths up to 150 ft. increase the vapor line one size larger but leave the liquid line size as is.

  • Page 5: Electrical Wiring

    4. ELECTRICAL WIRING CAUTION: Units with three phase compressors can be damaged by running backward. Verify correct compressor rotation by observing refrigerant pressure gauges at startup. Little or no gauge movement indicates reverse rotation. Reverse any two leads in the power junction box. Note: Fan blower motor is single phase and not affected by lead connections.

  • Page 6: Operation

    must be evacuated from all three ports. This is due to the check valves used in the remote condenser. A 1/4 in. flair Tee and an extra refrigeration hose can be used to double up the discharge hose. Remove the extra hose from the remote condenser tap after charging and before running the unit. Weigh in the refrigerant charge using the suction and discharge ports.

  • Page 7: Maintenance

    set point. In this manner, the building A/C cycles on only when the cooling by the BKPOOL is not sufficient. When the relative humidity is down to the desired setting, the BKPOOL -AC will shut off and the building will be back to its normal A/C operation. During the wintertime when the space must be heated, the BKPOOL thermostat should be set 2 to 3 degrees above the main heating thermostat.
  • Page 8 9. SEQUENCE OF OPERATION FOR STANDARD UNIT The BKPOOL is controlled, on or off, by a dehumidistat which senses the relative humidity of the space. The BKPOOL is shipped with a remote mounted De-Humidistat. The AC models also have a Thermostat.

  • Page 9: Optional Equipment

    The refrigerant flows from the compressor to the reversing valve inlet. In the de-energized state the flow is sent to the indoor condenser. The line going to the outdoor condenser is internally connected to the reversing valve's center suction port, which is connected to the suction line coming out of the evaporator by a 3/16"...

  • Page 10: Specifications

    10. SPECIFICATIONS BKPool 300, 400, 500 Models Capacity (lbs/day) at 85°F & 60% RH (AHAM) Capacity (lbs/day) at 80°F & 50% RH (ASHRAE) Air Flow Rate (cfm) 1000 1200 Operating Range All models can operate from 60°F/100% RH to 95°F/55% RH Dimensions (WxHxD) (in.) 45 x 22 x 24 45 x 22 x 29...
  • Page 11 BKPOOL and BKPOOL-AC SERIES TROUBLESHOOTING CHECK LIST Return Supply Company: ________________________________ BKPOOL Phone: (____) ________ Fax: (____) __________ Job Name: ________________________________ Model # : __________ Serial # : ______________ Test performed by: ______________ Date: ______ Remote Condenser Test Dehumidification Air Conditioning Return Air Flow Return Air Temperature °F DB...

  • Page 12: Troubleshooting

    THE BKPOOL TROUBLESHOOTING Follow each applicable section in order from top to bottom. Note 1 - Acceptable control voltage range 22 volts to 30 volts. 1) The unit does not start. Possible Cause Solution No power to the unit. Check the voltage to unit at the top of contactor. Humidistat set above space humidity level.
  • Page 13 3) Unit locks out before starting. Turn power off to unit for this section. Put gauges on high and low refrigeration ports. Possible Cause Solution If both gauges are below 40 psig, the unit Repair and recharge the unit. has a refrigerant leak Low pressure gauge below 40 psig and high Replace expansion valve and filter dryer.
  • Page 14 4b) Unit shuts down on high pressure. Possible Cause Solution Check for proper airflow. Replace filter, clean coil, duct and blower. If air flow is low, check that the coil is not Let ice melt and check for too low temperature for icing up.
  • Page 15 6) BKPool runs but does not dehumidify. Follow the procedure in (4) "unit runs a short time then locks out" to observe the sight glass and attach refrigeration gauges to the BKPool Using thermometers and hygrometers, take the dry bulb temperature and relative humidity readings at the air inlet to the BKPool Possible Cause Solution...
  • Page 16    Wiring Schematic BKPool and AC...
  • Page 17    Wiring Schematic BKPool AC With Cooling Priority...
  • Page 18 AC Only Wiring Diagram BKPool and AC 208/230V 1 Phase...
  • Page 19 AC Only Wiring Diagram BKPool and AC 208/230V 3 Phase...
  • Page 20 Wiring Diagram BKPool AC With Cooling Priority 208/230V 1 Phase...
  • Page 21 Wiring Diagram BKPool AC Remote Condenser 208/230V 1 Phase...
  • Page 22 Wiring Diagram BKPool AC Remote Condenser 460V 1 Phase...
  • Page 23 Twelve-Month Limited Warranty Subject to the following conditions, Heat Pipe Technology, Inc. (HPT), warrants this product to be free from defects in material and workmanship for a period of TWELVE MONTHS from the date of installation, not to exceed 90 days from date of shipment. This warranty is in lieu of all other warrants not expressly set forth herein, whether expressed or implied by operation of law or otherwise.

  • Page 24: Warranty Registration Form

    Warranty Registration To insure your warranty protection, please fill in the Warranty Registration form and mail or fax it to: Heat Pipe Technology, Inc. 4340 NE 49 Avenue, Gainesville, FL 32609 Fax: (352) 367-1688 WARRANTY REGISTRATION FORM Customer Name: Customer Address:...

This manual is also suitable for:

Bkpool 300-acBkpool 400Bkpool 400-acBkpool 500Bkpool 500-ac

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