Carrier 62DC, 62DA, 62DB, 62DD User Manual
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 per-
formed 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.
62DA,DB,DC,DD07-38
Vertical or Horizontal
Dedicated 100% Outdoor Air Unit
with Optional Gas Heat
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 pass-
word 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
S UPP LY FAN
CONTROL PANEL
FILTER ACCESS
GAS SECTION
OUTS IDE AIR
INT AK E HOOD
CONDENS ATE
DR AIN PAN
a62-423
Fig. 1 — Typical Gas Section
FLAME ROLLOUT
SWITCH
MAIN BURNER
SECTION
GAS VALVE
MODULATING
GAS VALVE
(OPTIONAL)
Fig. 2 — Typical Gas Valve Location
2
a62-421
a48-924tf
a48-925tf
a62-420
STEP 1
STEP 2
STEP 3
T
N
a62-425
A
A
N
T
ON
a62-424
OFF
STEP 4
T
N
A
A
N
T
STEP 5
a62-427
a48-930tf
STEP 8
OFF
STEP 6
ON
a62-426
a48-931tf
STEP 9
Fig. 3 — To Light Unit
3
STEP 7
STEP 10
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