Carrier 62DC, 62DA, 62DB, 62DD User Manual

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62DA,DB,DC,DD07-38 Vertical or Horizontal Dedicated 100% Outdoor Air Unit with Optional Gas Heat

User’s Information Manual

NOTE TO INSTALLER

This manual should be left with the equipment owner.

WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS

Do not try to light any appliance.

Do not touch any electrical switch; do not use any phone in your building.

Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, service agency or the gas supplier.

WARNING

Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency, or the gas supplier.

WARNING

Before performing recommended maintenance, be sure main power switch to unit is turned off and lockout tag is installed. Electrical shock could cause personal injury.

Your combination heating/cooling unit is equipped with direct spark ignition and induced draft power combustion blower.

WARNING

Burners will light automatically. Do not attempt to light by hand; personal injury may result.

TO LIGHT UNIT

DANGER

1.Do not turn off the electrical power to unit without first turning off the gas supply.

2.Before attempting to start the gas heating section, familiarize yourself with all the procedures that must be followed.

3.Never attempt to manually light the burners on the unit with a match, lighter, or any other flame. If the electric sparking device fails to light the burners, refer to the shutdown procedures, then call your dealer as soon as possible.

If you do not follow these instructions exactly, a fire or explosion may result, causing property damage, injury, or loss of life.

See Fig. 1 and 2 for location of gas valve. Refer to Fig. 3 while performing the following steps.

1.Disable unit operation by using the BACview controller. The BACview controller is shipped in the control box and can be mounted on the unit or at a remote location.

a.On the BACview MAIN screen, press ENTER. The LOGIN screen will be shown.

b.Enter the PASSWORD (the default admin password is 1111) and press OK. The DECR and INCR buttons will appear on the bottom of the screen and the Shutdown command will flash.

c.Press the INCR button, then press the OK button. The unit will stop immediately. Shutdown [ON] will be shown on the main screen.

2.Close the field-installed manual gas shutoff valve.

3.Turn off the electrical power to the unit using the optional disconnect or the field-installed disconnect and lock off using proper lockout and tag-out procedures.

4.Remove the gas section panels.

5.Move the switch on the gas valve to the OFF position and wait 5 minutes.

NOTE: If this is the first installation of the unit, the gas flue hoods must be installed before operating unit. These must be installed for the unit to run properly.

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53620003-01

Printed in U.S.A.

Form 62D-1SO

Pg 1

1-09

Replaces: New

Carrier 62DC, 62DA, 62DB, 62DD User Manual

C ONTR OL P ANEL

S UPP LY F AN

F ILT E R AC CESS

GAS SECTION

OUTS IDE AIR

INTAK E HOOD

 

CONDENSATE

DR AIN P AN

Fig. 1 — Typical Gas Section

FLAME ROLLOUT

SWITCH

 

MAIN BURNER

GAS VALVE

MODULATING

a62-421

 

 

SECTION

 

GAS VALVE

(OPTIONAL)

Fig. 2 — Typical Gas Valve Location

2

STEP 1

a62-420

STEP 4

A

T

N

 

N

 

 

T

A

 

 

ON

OFF

STEP 6

a48-930tf

STEP 8

a48-924tf

STEP 2

a62-425

a62-424

a62-427

a62-426

a48-931tf

STEP 9

Fig. 3 — To Light Unit

3

a48-925tf

STEP 3

A

T

N

 

N

 

 

T

A

ON

OFF

STEP 5

STEP 7

STEP 10

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