Carrier Z8075-105 - Manual

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

Catalog No. 04-53480045-01

Printed in U.S.A.

Form 48Z-5SO

Pg 1

7-07

Replaces: 48Z-3SO

Book 1

Tab

1a

User’s Information Manual

NOTE TO INSTALLER:

This manual should be left with the equipment owner.

Your combination heating/cooling rooftop unit is equipped

with an automatic direct spark ignition system and induced-

draft power combustion blower.

TO LIGHT UNIT

See Fig. 1 for location of gas valve(s). Refer to Fig. 2 while

proceeding with the following steps.

1. Turn off the unit demand for cooling or heating by using

the scrolling marquee. The scrolling marquee is located in

the control box at the compressor end of the unit.

a. Push the

key unit a blank display screen

is shown.

b. Push the

key until the SERVICE TEST LED is

lit.

c. Push the

key. The display will show

STOP.

d. Push the

key again. The NO/YES display

will flash.

e. Push the

or

key to toggle the display to

YES and then push

. The unit will be

locked off from heating, cooling or any operation.

The controls will still function and the display will

still operate.

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. Open the burner section hinged access door.
5. Move the switch on the gas valves 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.

6. Move the switch on the gas valves to the ON position.
7. Close the burner section hinged access door.
8. Turn on the electrical supply to the units.
9. Open the field-installed manual gas valve.

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 sup-

plier, call the fire department.

— Installation and service must be per-

formed by a qualified installer, service
agency or the gas supplier.

Improper installation, adjustment, alteration, service, or

maintenance can cause injury or property damage. Refer to

this manual. For assistance or additional information, con-

sult a qualified installer, service agency, or the gas supplier.

Before performing recommended maintenance, be sure

main power switch to unit is turned off. Electrical shock

could cause personal injury.

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

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 unit with a match,

lighter, or any other flame. If the electric sparking de-

vice 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.

ESCAPE

ENTER

ENTER

ENTER

48ZG,ZN030-105

48ZT,ZW,Z6,Z8075-105

Gas Heating/Electric Cooling Units

with

COMFORT

LINK™ Controls