background image

Contents

Safety Precautions..........................................................................................................................................1
Components of the Air Conditioner............................................................................................

..................3

Troubleshooting.............................................................................................................................................4

Installation and Maintenance...................................................................................................5

1. Safety Notice ................................................................................................................................................5
2. Installation of the Indoor Unit .......................................................................................................................5

2.1. Initial Check ..........................................................................................................................................5
2.2. Installation Location..............................................................................................................................6
2.3. Installation ............................................................................................................................................6
2.4. Air Duct .................................................................................................................................................6

4. Refrigerant Pipe ............................................................................................................................................8

4.1. Pipe Material.........................................................................................................................................8
4.2. Piping Connection.................................................................................................................................8

5. Drain Piping...................................................................................................................................................8
6. Electrical Wiring ............................................................................................................................................9

6.1. Electrical Installation.............................................................................................................................9
6.2. Change of Static Pressure....................................................................................................................10

7. Test Run ........................................................................................................................................................10
8. TXV Replacement Information ......................................................................................................................11
9. Electric Heat Kit Selection Table....................................................................................................................11

Filter Cleaning ................................................................................................................................................4

3.Special Instructions for Down-flow Conversion ............................................................................................7

Summary of Contents for DR024GHFD18HT2

Page 1: ...s Air Conditioner Please read this manual carefully before installing or operating your new air conditioning system Be sure to save this manual for future reference HIGH EFFICENCY AIR HANDLER Models DR024GHFD18HT2 DR036GHFD18HT2 DR048GHFD18HT2 DR060GHFD18HT2 R 410A REFRIGERANT 208 230V 1 Phase 60Hz 18 SEER ...

Page 2: ...This page intentionally left blank ...

Page 3: ...k 5 2 2 Installation Location 6 2 3 Installation 6 2 4 Air Duct 6 4 Refrigerant Pipe 8 4 1 Pipe Material 8 4 2 Piping Connection 8 5 Drain Piping 8 6 Electrical Wiring 9 6 1 Electrical Installation 9 6 2 Change of Static Pressure 10 7 Test Run 10 8 TXV Replacement Information 11 9 Electric Heat Kit Selection Table 11 Filter Cleaning 4 3 Special Instructions for Down flow Conversion 7 ...

Page 4: ... done by a qualified electrician All wiring operations must be conducted according to the local electrical codes It is strongly advised to consider the capacity of the electric current of the available electrical meter and socket before installation The power source of where this product is installed should have an independent leakage protection device An electric current over load protection devi...

Page 5: ...ulation Carbon Monoxide CO Formaldehyde Benzene More details are available at the websites for OSHA Occupational Safety and Health Administration at www osha gov and the State of California s OEHHA Office of Environmental Health Hazard Assessment at www oehha org Consumer education is important since the chemicals and substances on the list are found in our daily lives Most consumers are aware tha...

Page 6: ... Low Voltage Connection for 24V 3 Circuit Breaker Switch Optional 4 Refrigerant Pipe Gas 5 Refrigerant Pipe Liquid 6 Air Inlet 7 Auxiliary Drainage Hole 8 Drainage Hole 9 Auxiliary Drainage Hole 10 High Voltage Connection 11 High Voltage Connection 12 Air Outlet 13 Auxiliary Heater Optional 14 Electronic Control Box 15 Fan Volute 16 Evaporator 17 Drainage Pan 18 Filter Cover 13 14 15 16 17 18 1 2 ...

Page 7: ... and panels and ensure that there is sufficient ventilation Sounds from Moving Parts When starting or stopping the system a sound might be made However this is likely due to thermal deformation of plastic parts If so it is not abnormal Steam from Outdoor Heat Exchanger During the defrosting operation ice on the outdoor heat exchanger melts resulting in steam Dew on Air Panel When the cooling opera...

Page 8: ...nitrogen escapes otherwise it can indicate an evaporator leak When installing or relocating the system be sure to keep the refrigerant circuit free from air Air in the refrigerant circuit may cause an abnormal pressure rise or rupture resulting in injury or damage If any refrigerant leakage occurs during the installation work ventilate the room liberally After all installation is completed ensure ...

Page 9: ... and humid place it is recommended to insulate the cabinet exterior and to use auxiliary drain pans If installed above a finished living space an auxiliary drain pan as required by many building codes must be installed under the entire unit and its condensate drain line must be routed to a location such that the user will see the condensate discharge 6 The upright installation method is selected b...

Page 10: ... fan 4 Pull the fan out of the guide rail and place it on a flat surface for easy operation 5 Take out the sponge in the accessories bag and paste the sponge to the surface of the fan according to the scheme shown in the right picture 6 Reinstall the fan back to the device by following the reverse steps of steps 4 3 and 2 for the inverted installation connect the grounding wire and power cable cor...

Page 11: ... in NPT drain connections When making drain fitting connections to the drain pan use a thin layer of Teflon paste silicone or Teflon tape and install Hand tighten afterwards When making drain fitting connections to drain pan do not over tighten All horizontal drain pipes must be pitched downward away from the unit at a minimum of 1 8 per foot to provide problem free drainage Unit in 6 6 To Approve...

Page 12: ...er details Wiring Diagram 9 L1 L2 PE Power supply Power supply Thermostat Indoor unit Outdoor unit Power terminal panel L1 L2 W1 B C R Y G G R C C B Y W SI W1 SI If the matching outdoor condensing unit does not have an S1 terminal then ignore the S1 to S1 connection Electrical data NOTE 1 1 Do not connect dashed line when electric heater is not used 2 Wiring must be performed according to wiring d...

Page 13: ...NOTE Symbol indicates the position of the dip switch Symbol indicates any position of ON or OFF Blower Speed Tap Static Pressure W C kPa 24K Static Pressure W C kPa 36K Static Pressure W C kPa 48K 60K 1 Follow local codes and regulations when selecting field wires All the above are the minimum wire sizes 2 When transmission cable length is longer than 262ft 80m a thicker wire size should be select...

Page 14: ...just the TXV superheat to 6 10 When the unit has operated for another 20 minutes examine whether the superheat is appropriate and record the figures afterwards available unavailable NOTE The heat kit is an optional part and it must be connected to the power supply separately It is recommended that electric heater kit should be installed in low temperature area or when long piping is used Check if ...

Page 15: ...This page intentionally left blank ...

Page 16: ...er Davis HVAC International Inc Parker Davis HVAC International Inc 3250 NW 107 Avenue Doral FL 33172 USA Tel 305 513 4488 Fax 305 513 4499 E mail info pdhvac com Website www pdhvac com Pioneer product line parts and supplies are available online for convenient ordering at www highseer com www pioneerminisplit com Scan the below code to visit our support page where you can find more installation m...

Reviews: