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INSTALLATION INSTRUCTION

S

Electrical

 

Requirement

WARNING

To  avoid   the   risk  of  property  damage, 
personal  injury  or  fire,  use  only  copper 
conductors.

To avoid property damage, personal injury 
or death due to electrical shock, do not use 
an extension cord with this unit.

WARNING

To  avoid  the  risk  of  property  damage,
personal  injury  or  fire  do not  install with
power cord stretched  or  under a strain as
this  may  create  loose  plug/receptacle
connection.

WARNING

To avoid  the  risk  of personal injury, wiring 
to  the  unit must  be properly polarized and 
grounded.

WARNING

-

5

-

Unit Voltage

Rating

Minimum

Maximum

230/208

187

253

265

238

292

Operating Voltage

Voltage Utilization Range

Receptacles

/

Sub

-

bases

All wiring , including installation of the
receptacle, must be in accordance with the 
NEC  and local codes ordinances and 
regulations.

VOLTAGE MEASUREMENTS 

Once the unit is properly wired, measure the unit 
supply  voltage.  Voltage  must  fall  within  the 
voltage utilization range.

LCDI   Cords

-

Underwriters Laboratories

and the National Electric Code (NEC)  now 
require  power  cords    that  sense  current 
leakage  and  can  open  the  electrical  circuit 
to  the  unit  on    units  rated  at  250  volts  or 
less. In the event that unit does not operate, 
check  the  reset  button  located  on  or  near 
the  head  of  the  power  cord  as  part  of  the 
normal troubleshooting procedure.

LCDI

 

power

 

Cord

Tandem

230

/

208V

 

15Amp

Perpendicular

230

/

208V

 

20

 

Amp

Large tandem

230

/

208V

 

30Amp

265V 15Amp

265V 20 Amp

265V 30Amp

WARNING

Disconnect all power before servicing or 

installing this unit as multiple power 

sources may be present. Failure to do so 

may cause property damage, personal 

injury or death. Do not service this unit 

without first shutting off the power to 

the unit from the circuit breaker and/or 

removing the unit cord set plug from the 

all wall outlet.

The power cord is located inside the electrical 
control box cover for insert mounting.

LCDI Power

 

cord

Summary of Contents for VTAC

Page 1: ...INSTALLATION OPERATION SERVICE MANUAL VTAC VTACDC...

Page 2: ...ain refrigerants which under federal law must be removed prior to product disposal If you are getting rid of an old product with refrigerants check with the company handling disposal about what to do...

Page 3: ...elease for one time within 5 seconds Turn OFF unit connect R terminal to LS terminal then release for two times within 5 seconds Force shut down connect R terminal to LS terminal for over 5 seconds No...

Page 4: ...ng heating airflow and efficiency of the unit Replacement filters should be purchased from your local retailer where air conditioner and furnace accessories are sold Filter size required is 20 x 20 x1...

Page 5: ...WARNING RISK OF ELECTRIC SHOCK All electrical connections and wiring MUST be installed by a qualified electrician Follow the National Electrical Code N E C a n d o r l o c a l c o d e s a n d ordinanc...

Page 6: ...unit is properly wired measure the unit supply voltage Voltage must fall within the voltage utilization range LCDI Cords Underwriters Laboratories and the National Electric Code NEC now require power...

Page 7: ...ase Panel Required Accessories Check the Essential Elements label on the unit Architectural Louver Cutout Dimensions 20 W x 32 1 4 H Wall Plenum 6 D x 19 3 4 W x 32 H 8 D x 19 3 4 W x 32 H 12 D x 19 3...

Page 8: ...xible or rigid duct Air discharge outlet Unit Wall plenum Wall plenum divider Drain fittings 3 4 Filter bracket Secure platform to the floor 8 min for drain access Platform 23 1 4 x 23 1 4 square Min...

Page 9: ...nector Primary Drain Centerline of cutout is approximately 5 1 4 from left case wall and 8 1 2 from back case wall Secondary Drain centerline of cutout is approximately 6 1 2 from left case wall and 5...

Page 10: ...nstallation requirements Follow the Installation Instructions provided with the return air grille accessory for installation details All these options need field supplied accessories NOTE Use only one...

Page 11: ...H 8 D x 19 3 4 W x 32 H 12 D x 19 3 4 W x 32 H 15 D x 19 3 4 W x 32 H Case Left side of platform 23 1 4 min 8 min for drain access NOTE Specific cutout size for drain connections needs to be determin...

Page 12: ...the case The total flow rate CFM and external static pressure ESP available can be estimated from the chart below The collar on top of the case accepts standard 10 duct Pull all duct tight Extra duct...

Page 13: ...g Secondary 3 4 drain option If not used seal with a MNPTplug Primary female drain fitting 3 4 Bolt case to platform External drain OR Internal Drain s NOTE Piping is not supplied with the unit Obtain...

Page 14: ...nect The Top Duct 1 Install the duct onto the air discharge outlet Case top duct adjusting screws Top duct Clamp 2 Secure the top duct to the unit by turning the four case top duct adjusting screws un...

Page 15: ...he fan will run continuously whenever power is applied in this mode In the AUTO position the fan will cycle on and off with the compressor or electric heater Starting delay You may notice a few minute...

Page 16: ...rk applications Switch Description Function Factray Setting 1 Anti cold air ON Enable OFF Disable ON 2 Heat pump ON Enable OFF Disable ON 3 Electric heater ON Enable OFF Disable ON 4 Heat Pump Prior O...

Page 17: ...ing protection defrosting E9 Refrigerant high pressure protection Solution Check sensor connection Replace it if broken Check sensor connection Replace it if broken Check sensor connection Replace it...

Page 18: ...m right button on keypad The unit may be in a diagnostic condition Check checking Control section to determine if unit has had a failure The unit may be set for C instead of F see the keypad configura...

Page 19: ...160421_V 01...

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