service or maintenance can cause property damage, injury or
death. Read the installation, operating and maintenance
instructions thoroughly before installing or servicing this
equipment.
¾ FOR YOUR SAFETY: Do not store or use gasoline or other
flammable vapors and liquids in the vicinity of this or any other
appliance.
WARNINGS
¾ WHAT TO DO IF YOU SMELL GAS:
1. Do not try to light the appliance
2. Do not touch any electrical switches or use any phones
within the building
3. Immediately call your gas supplier from a neighbor’s phone
and follow the gas suppliers instructions
4. If you cannot reach your gas supplier, call the Fire
Department
NOTE: Obtain information to be prominently posted near the
oven from you gas supplier.
¾ In the event of a power failure, do not attempt to operate this
equipment.
ARO-2G Double Rack Oven - 2 - Rev. 1.0, Dec. 2006
Page
1. Table of Contents………………………………………………….. 3
2. General Information…………………………………..………….... 4
3. Basic Operation………………………………………..……………7
4. Control Overview………………………………………..…………10
5. Entering Programmed Bake Cycles……………………………..14
6. Maintenance & Cleaning………………………………………….16
7. Assembly & Installation……………………………………………17
8. Electrical schematics………………………………………………50
CONTENTS
ARO-2G Double Rack Oven - 3 - Rev. 1.0, Dec. 2006
GENERAL INFORMATION
Shipping support angle
ARO-2G Double Rack Oven - 6 - Rev. 1.0, Dec. 2006
PREHEAT OVEN
1. Close oven door.
2. Press the “BAKE” key. The Bake indicator light and all the displays will
illuminate.
3. Enter a SET TEMPERATURE to preheat the oven by pressing the “UP”
or “DOWN” set temperature arrow keys to adjust the set temperature
displayed.
¾NOTE: Racks will not start rotating until “TIMER START” key is
4. Allow oven to preheat at least 20 minutes longer from when the OVEN
TEMPERATURE reaches the SET TEMPERATURE.
MANUALLY SET CONTROL
1. Enter a SET TEMPERATURE, if different from preheat temperature, by
pressing the “UP” or “DOWN” set temperature arrow keys to adjust the
set temperature displayed.
pressed.
OPERATION
2. Enter a BAKE TIME (in minutes) by pressing the “UP” or “DOWN” bake
time arrow keys to adjust the bake time (in minutes) displayed.
3. Enter a STEAM TIME (in seconds) by pressing the “UP” or “DOWN”
steam time arrow keys to adjust the steam time (in seconds) displayed.
USING A PROGRAM TO SET CONTROL
1. Enter a PROGRAM # by pressing the “NEXT PROG.” key to change the
program number displayed.
¾NOTE: The set temperature, bake time and steam time displayed will
be for Step 1 of the entered program # and the oven will preheat to the
set temperature display.
LOADING PROCEDURES
1. Slowly open the oven door.
¾CAUTION: Steam and hot air will escape from oven door when
opened. To avoid burns keep hands and face away from door
opening. Oven interior surfaces are very hot, use oven mitt while
touching.
2. Align the channels on the oven rack(s) with the rack carrier and push to
the rear stop.
3. Close the oven door.
ARO-2G Double Rack Oven - 7 - Rev. 1.0, Dec. 2006
¾NOTE: Racks will not start rotating until “TIMER START” key is
pressed.
4. Press the “TIMER START” key to initiate the bake cycle. The indicator
light in the corner of the bake time display will begin blinking and the clock
will start counting down.
¾NOTE: Oven damper can be opened during bake cycle to evacuate
steam by pressing the “DAMPER” key.
¾NOTE: If using a programmed bake cycle with multiple steps the timer
counts down the duration of each step separately the buzzer won’t
sound until the time elapses on the last programmed step.
5. A buzzer will sound and all the displays will flash when the bake timer
display counts down to 00:00.
¾NOTE: Rack will continue rotating until the “TIMER STOP” key is
pressed.
UNLOADING PROCEDURES
1. Press the “TIMER STOP” key to silence the buzzer and stop the rack
rotation.
OPERATION
2. Slowly open the oven door, swing door completely open.
¾CAUTION: Steam and hot air will escape from oven door when
opened. To avoid burns keep hands and face away from door
opening. Oven racks and interior surfaces are very hot, use oven mitt
while touching.
3. Using oven mitts, open rack locks on rack carrier.
4. Using oven mitts, remove rack(s) from rack carrier.
¾NOTE: The door could be closed and the “JOG” key pressed to rotate
the rack carrier 180
o
and improve access for removing the second
rack.
5. Close oven door.
SHUT DOWN PROCEDURES
1. Press the “OFF” key. The displays go blank and the oven will turn off.
¾NOTE: The exhaust hood fan will continue to run for 20 minutes after
the oven is turned off.
¾NOTE: To cool oven off quicker, press the “FAN” key and open the
oven door. The fan indicator light will illuminate and the fan will run
continuously without a call for heat.
ARO-2G Double Rack Oven - 8 - Rev. 1.0, Dec. 2006
¾ WARNING: For service or extended periods of shutdown,
turn the power off at both the 120 V control ci rcuit and 208
– 480 V main power circuit breakers.
ARO-2G Double Rack Oven - 9 - Rev. 1.0, Dec. 2006
Adjustment of Air Distribution Panel on New ARO/PRO Oven
*The louver settings are in millimeters.
*A set of metric Allen wrenches will facilitate the job.
*The measurements must be taken at the top and the
11. STEAM TIME “UP” ARROW KEY – pressed to raise the number of
seconds the steam timer is set for
12. STEAM TIME “DOWN” ARROW KEY – pressed to lower the number of
seconds the steam timer is set for
13. “TIMER START” KEY – pressed to start the bake timer counting down
¾NOTE: The bake timer will stop counting down if the oven door is
opened.
14. “TIMER STOP” KEY – pressed to silence the bake timer buzzer at the
end of a bake cycle or to pause the bake timer in the middle of a bake
cycle
¾NOTE: If bake timer has less then 1 minute left in the bake cycle,
pressing the “TIMER STOP” key will clear the remaining time and start
the bake timer buzzer, pressing it a second time will silence the bake
timer buzzer.
OVEN FUNCTIONS
15. “BAKE” KEY – pressed to turn on the oven and controls
CONTROLS
¾NOTE: The control displays and bake indicator light will illuminate
when the oven is turned on.
16. BAKE INDICATOR LIGHT – illuminates when the oven is on
17. “OFF” KEY – pressed to turn off the oven and controls
¾NOTE: The exhaust hood fan will continue to run for 20 minutes after
the oven is turned off.
o
18. “JOG” KEY – pressed to rotate the rack carrier 180
for easy removal
when two single racks are used
¾NOTE: This key will only be active when the oven door is closed.
19. “FAN” KEY – pressed to switch to cool down mode
¾NOTE: The fan indicator light will illuminate and the fan will run
continuously, without a call for heat, the oven door can also be opened
to help cool down the oven quicker.
20. FAN INDICATOR LIGHT – illuminates when the oven is in cool down
mode
21. “DAMPER” KEY – pressed to open the motorized cavity damper (if
provided).
¾NOTE: The damper indicator light will illuminate when the damper is
open.
22. DAMPER INDICATOR LIGHT – illuminated whenever the damper is open
with either the “DAMPER” key, “FAN” key or during a programmed bake
cycle. .
1. With the oven and control off, press and hold the “NEXT PROG”, “NEXT
STEP” and “BAKE” keys at the same time for 3 seconds.
2. When the control beeps once, release the buttons and all the displays will
illuminate but the PROGRAM # display will be flashing a number.
SELECT PROGRAM NUMBER
1. Press the “NEXT PROG” key until the program number to be entered is
indicated in the PROGRAM # display.
¾NOTE: Each time the “NEXT PROG.” Key is pushed the program
number will increment one digit, if you press and hold the “NEXT
PROG.” key the program number will be scrolled through.
¾NOTE: The Step 1 indicator will be illuminated in the STEP indicator
lights.
ENTER STEP 1 PARAMETERS
PROGRAMMING
1. Enter a Step 1 SET TEMPERATURE by pressing the “UP” or “DOWN”
set temperature arrow keys to adjust the set temperature displayed.
2. Enter a Step 1 BAKE TIME (in minutes) by pressing the “UP” or “DOWN”
bake time arrow keys to adjust the bake time (in minutes) displayed.
2. Enter a Step 1 STEAM TIME (in seconds) by pressing the “UP” or
“DOWN” steam time arrow keys to adjust the steam time (in seconds)
displayed.
3. Enter a Step 1 DAMPER TIME (in minutes) by pressing and holding the
damper button while pressing the “UP” or “DOWN” bake time arrow keys
to adjust the damper open time displayed in the bake time display.
¾NOTE: The damper will be held open for the entered period of time at
the end of a step. (For example - if the damper is programmed for 1
minute in a step with a 5 minute bake time, the damper won’t open
until the first 4 minutes of the step have expired.)
¾NOTE: The damper time can not exceed the total bake time for the
step.
ENTER NEXT STEPS
1. Press the “NEXT STEP” key to proceed to the next step as indicated by
the steps indicator lights.
2. Repeat Steps 1 – 4 under ENTER STEP 1 PARAMETERS.
3. Press the “NEXT STEP” key to proceed to the next step as indicated by
the steps indicator lights as required.
1. Allow oven to cool until it reaches room temperature.
¾NOTE: To cool oven off quicker, press the “FAN” key and open the
oven door. The fan indicator light will illuminate and the fan will run
continuously without a call for heat.
2. Sweep out interior of the oven.
WEEKLY CLEANING
1. Perform Daily Cleaning.
2. Clean both sides of door window and interior surface of the light window
using a mild soap/water solution or commercial glass cleaner and a clean
soft towel.
¾NOTE: Heavy build-up on the interior surface of the glass may be
cleaned using a straight blade window scraper.
3. Clean interior stainless steel surfaces of the oven using a mild soap/water
solution and wipe dry with clean soft towel.
CLEANING
¾CAUTION: Never use chlorinated cleaners, abrasive pads or metallic
scrapers on stainless steel surfaces.
¾Note: When cleaning stainless steel wipe the surfaces by following the
grain.
4. Clean exterior stainless steel surfaces of the oven using a mild
soap/water solution and wipe dry with clean soft towel. A stainless steel
polish may be used after initial cleaning
¾CAUTION: Never use chlorinated cleaners, abrasive pads or metallic
scrapers on stainless steel surfaces.
¾Note: When cleaning stainless steel or applying polish wipe the
surfaces by following the grain.
5. Clean the control panel using a mild soap/water solution and a clean soft
towel.
¾CAUTION: Never use chlorinated cleaners, abrasive pads or metallic
¾ WARNING: Installation must be performed by a factory
authorized installation company. Improper installation can
cause personnel injury and/or damage the equipment. Oven
warranty will be void if installation is not performed by a
factory authorized installation company.
¾ WARNING: Installation and utility connections must be
performed by a licensed contractor to all applicable local
codes, or in the absence of local codes, with th e Nati onal Fuel
Gas Code, ANSI Z223.1.
¾ WARNING: Oven must be electrically grounded in accord ance
with the local codes, or in the absence of local codes, with
the National Electrical Code, ANSI/NFPA 70-1996.
¾CAUTION: Oven must be installed heat resistant floor to reduce risk of
fire.
ASSEMBLY
PREPARING SITE
1. Verify there is adequate egress to bring the oven sections to where they
are being installed
¾ Heat Exchanger Section: 26” W x 69-1/2 D x 99” H
¾ Front Section with Door: 63” W x 36-1/4” D x 88” H
¾ Rear Section: 63” W x 33-3/4” D x 90” H
2. Verify there is sufficient space for the oven to be installed.
¾ Width: 88”
¾ Depth: 67-1/4” (plus 37” for door swing)
¾ Height: 106” minimum (120” recommended for service)
NOTE: It is recommended to have 2 feet clearance on all sides of the
oven to ease the assembly process.
3. Verify the floor under and 37” in front of oven is level to within ¼”.
4. Verify flooring is of a heat resistant construction both under and in front of
the oven where hot racks will be removed.
5. Verify the following utilities have been provided:
¾Electrical: 120/60/1 @ 7.4 amp control circuit
208 – 240/60/3 @ 8.4 amp main power supply
(440 – 480/60/3 @ 4.2 amp optional power supply)
NOTE: National Electrical Code requires a disconnecting means
within sight of oven or be capable of being locked open.