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Installation Instructions

NOTE: 

Read the entire instruction manual before starting the 

installation.

INTRODUCTION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

HOW IT WORKS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

APPLICATION CONSIDERATIONS. . . . . . . . . . . . . . . . . . . . . . . . 2

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

START-UP AND OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

ERROR AND STATUS CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

INTRODUCTION

Congratulations  for  selecting  the  air  purifier  for  your  home  comfort

system! As part of a strategy for slowing the spread of infectious disease

in your home, the air purifier should be considered essential. Featuring

our  patented  Captures  &  Kills®  technology,  the  air  purifier  offers

proven,  third-party  tested  effectiveness  with  a  99%  inactivation  of
captured viruses and germs when used as instructed, including:

1

• Coronavirus

• Common cold surrogate

• Bacteria that causes strep throat

• Human influenza
The  air  purifier  is  a  cornerstone  of  Healthy  Home  Solutions  for

providing healthier, cleaner air in your home.

HOW IT WORKS

The  air  purifier  provides  extremely  high  filtration  performance  while

killing  captured  contaminants,  including  viruses  and  bacteria.  The  air

purifier treats the entire air-stream through a state of the art, three-stage

process:

• In stage one, the particles are electrically charged by a precision-point

ionization array as they enter the air purifier.

• In stage two, the charged particles are electrically attracted to the air

purification cartridge.

• In stage three, captured particles are killed by electrical current flow

and ion bombardment. 

The air purifier is listed to applicable UL Standards and requirements by

Underwriters Laboratories Inc.

A11332A

Fig. 1 – DGAPAXX Unit

SAFETY CONSIDERATIONS

Improper  installation,  adjustment,  alteration,  service,  maintenance,  or

use can cause explosion, fire, electrical shock, or other conditions which

may  cause  death,  personal  injury  or  property  damage.  Consult  a

qualified  installer,  service  agency  or  your  distributor  or  branch  for

information  or  assistance.  The  qualified  installer  or  agency  must  use

factory-authorized  kits  or  accessories  when  modifying  this  product.

Refer to the individual instructions packaged with the kits or accessories

when installing.
Follow  all  safety  codes.  Wear  safety  glasses,  protective  clothing,  and

work gloves. Have a fire extinguisher available. Read these instructions

thoroughly and follow all warnings and cautions included in literature

and  attached to the  unit.  Consult  local building  codes  and the  current

edition of the National Electrical Code (NEC) NFPA 70.
In Canada, refer to the current editions of the Canadian Electrical Code

CSA C22.1.
Recognize safety information. When you see this symbol   on the unit

and  in  instructions  or  manuals,  be  alert  to  the  potential  for  personal

injury.  Understand  the  signal  words  DANGER,  WARNING,  and

CAUTION.  These  words  are  used  with  the  safety-alert  symbol.

DANGER identifies the most serious hazards, which will result in severe

personal  injury  or  death.  WARNING  signifies  hazards,  which  could

result in personal injury or death. CAUTION is used to identify unsafe

practices,  which  may  result  in  minor  personal  injury  or  product  and

property  damage.  NOTE  is  used  to  highlight  suggestions  which  will

result in enhanced installation, reliability, or operation.

DGAPAXX

Air Purifier

Sizes 1620, 1625, 2020, 2025, 2420

1. The air purifier has demonstrated effectiveness against the murine coronavirus, based on 

third-party testing (2020) showing a >99% inactivation, which is a virus similar to the 

human novel coronavirus (SARS-CoV-2) that causes COVID-19. Therefore, the air 

purifier can be expected to be effective against SARS-CoV-2 when used in accordance 

with its directions for use. Third-party testing (2012, 2007) also shows  ≥99% inactivation 

for the type of virus that causes common colds, Streptococcus pyogenes and human 

influenza. Airborne particles must flow through your HVAC system and be trapped by the 

filter to be inactivated at 99%.

Summary of Contents for DGAPAXX 1620

Page 1: ...nstaller service agency or your distributor or branch for information or assistance The qualified installer or agency must use factory authorized kits or accessories when modifying this product Refer to the individual instructions packaged with the kits or accessories when installing Follow all safety codes Wear safety glasses protective clothing and work gloves Have a fire extinguisher available ...

Page 2: ...dels DGAPAXX1620 DGAPAXX2020 and DGAPAXX2420 include the flow sensor as standard equipment as they are designed primarily to be installed with fan coil air handlers A Flow Sensor Jumper Accessory Kit Table 5 is available should there be a need to use air purifier model DGAPAXX1620 DGAPAXX2020 or DGAPAXX2420 with a furnace that has EAC terminals Electrical Power Fusing Air purifier models DGAPAXX16...

Page 3: ...adhesive backed support foot to the side of the purifier that will be on the floor near the rear of the purifier as shown in Fig 8 Installation Manual Installation Components in accessory bag Door x1 Cabinet x1 Enhancement Module x1 Air Purification Cartridge x1 WARNING ELECTRIC SHOCK AND UNIT DAMAGE HAZARD Failure to follow this warning could result in personal injury or death Only a trained expe...

Page 4: ...sition Air Flow Air Flow Air Flow Air Flow NOTE Mounting on this side requires the cabinet to be rotated 180 for correct air flow This places the hinged end the door at the top of the cabinet and the handle latch at the bottom Downflow 14 Furnace with Top Mount Upflow 14 Furnace with Bottom Mount Horizontal 14 Furnace with Side Mount Plenum Box Upflow Furnace with Plenum Box Horizontal 24 Furnace ...

Page 5: ...cing them with pop rivets may have an adverse effect on air sealing or structural integrity of the furnace 6 Use foam tape or silicone sealant between the furnace and the air purifier cabinet 7 Mounting holes are provided in the air purifier flanges for ductwork and furnace attachment To access the mounting holes on the upstream flange of the purifier adjacent to the incoming power wiring the wiri...

Page 6: ...t connection to the duct and to a furnace controller EAC terminal output The field wiring connection shall be suitable for a maximum possible rating of 90 C of the field wiring terminal box terminals 1 Ensure power has been removed from the heating and cooling system 2 Turn the air purifier power switch off For mounting on furnaces 3 Route the power conduit from the purifier to a knockout on the f...

Page 7: ...1 4 57 22 7 8 581 Outside 5 8 16 Flanges Where Shown B 19 1 8 486 NOTE Weld 3 places in 4 corners 120 VAC INPUT POWER BLK WHT GRN CHASSIS GROUND FURNACE AIR PURIFIER ASSEMBLY LINE 1 IN EAC 1 NEUTRAL IN EAC 2 Sample Furnace Circuit Board LHT OFF DLY ON OFF W2 BLW EAC 1 TERMINAL Y1 DHUM G COM 24V WW1 Y Y2 R TEST TWIN HUM 1 2 3 PL T ACRDJ 0 5 AMP024 V AC FUSE 3 AMP SEC 1 SEC 2 PL1 NEUTRAL L2 1 EA C 2...

Page 8: ... the two in line fuses that are provided with the air purifier must be installed in the fan coil wiring compartment START UP AND OPERATION Final Assembly 1 Install the Filter Enhancement Module FEM into the cabinet insuring that FEM is held firmly in place by the retention springs and that the high voltage connector handle is facing outward Fig 15 A11495 Fig 15 Installing FEM 2 Slide the filter in...

Page 9: ... air purifier cartridge This maintenance reminder can be based on either the TrueSense dirty filter algorithm or time The installer should use their discretion to select the most appropriate option based on the initial system static pressure Maximizing Performance Maximum air purification performance is obtained when the furnace blower is set for continuous operation on the thermostat or Control M...

Page 10: ...ean the FEM it must be completely dry before inserting back into the air purifier Additionally care must be taken when handling the FEM due to the sharp points on the ionizer 5 Slide in enhancement module 6 Replace the air purifier door 7 Turn the air purifier switch to the on position 8 Turn heating and cooling system power on TROUBLESHOOTING The air purifier is equipped with a power indicator li...

Page 11: ...lem reoccurs Misaligned or damaged purifier door Insure that door is undamaged and properly installed on purifier cabinet Damaged or disconnected incoming power wiring Call for service ON continuously Air purifier on Normal operation when airflow is present FLASHING 1 flash every 4 seconds Standby Mode Normal operation when airflow is not present for models with flow sensor Ions detected in airflo...

Page 12: ...e filter and not contacting the cabinet or door back If springs are broken or damaged replace the door assembly RAPID FLASHING 5 flashes per second LED Flashes for 10 seconds when AC power is turned on indicating a previously stored error code code will be displayed after 10 seconds Purifier will not operate until cause of error condition is rectified and purifier is reset An error code was regist...

Page 13: ...lacement Filters Replacement Component Kits and Accessories Air Purifier Model DGAPAXX 1625 2025 1620 2020 2420 Filter Enhancement Module FEM KIT140000 KIT141000 KIT142000 KIT143000 KIT144000 Front Door including Power Supply KIT156000 KIT157000 KIT156000 KIT157000 KIT158000 Flow Sensor KIT160000 Included as standard with Models DGAPAXX1620 DGAPAXX2020 and DGAPAXX2420 Flow Sensor Bypass KIT161000 ...

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