Bally Refrigerated Boxes 1083700 Installation Manual

NATIONAL
SmartVapII
TM
REFRIGERATION
1085509
Defrost Control System
Model: 1083700 Electrical Power: 115/1/60 - Air Defrost, 208-230/1/60 - Air & Electric Defrost 200-220/1/50 - Air & Electric Defrost
FEATURES:
· For use with 230V Single Phase Electric Defrost Evaporators
· Simple field hook up –Two Pipes-T wo Wires –It’s Done
· No wiring required to condensing unit / No field adjustments /set up
· Thermostat and defrost controls all factory set (-10°F freezer/ +39°F cooler)
· Simple user-friendly adjustments/ programming (if required)
· Available for Air Defrost (120 or 230V) +35°F Room and up applications
· User Lock Option (prevents unauthorized control adjustments)
CONTENTS
Operating Instructions ............................................................................................ 2 - 3
Wiring Diagrams ................................................................................................... 4 - 6
Troubleshooting Guide......................................................................................... 7 - 8

OPERATING INSTRUCTIONS

Electric Defrost Factory Settings:

The following are the factory default settings and will suit most applications:
· Room Thermostat Cut-In Set Point :
-10°F for Freezer, and +39°F for cooler
· Defrost Frequency: 4 cycles per day with maximum fail safe of 35 minutes.
· Defrost Termination set point : 55°F
· Fan Delay time set point: 3 minutes.
· User adjustments unlocked.
LED Display Indicators:
Dot illuminated
indicates LOCKED
(CANNOT ADJUST)
MODE
(No illumination = normal
adjustment mode)
(Orange Lamp)
DEFROST MODE
(Green Lamp)
REFRIG RUN MODE
(T’stat calling)
Dot illuminated
indicates on
AIR DEFROST
MODE
(No illumination = normal ED mode)

“Time” Button Functions

To view any of the “Time” button settings, just press and release in the following order.
To adjust settings, hold down “Time” button, while pushing “Up” or “Down” buttons.
Function Display Adjustment Factory Default
Shows: Range: Setting:
CLOCK actual time “23:59” 00:00 to 23:59 12:00 DEFROSTS per day “nd04” nd01 to nd12 nd04 FIRST DEFROST time “dEF01 / 9:00” 00:00 to 23:59 9:00 MAX DEFROST Duration Time “dEFd / 35” 15 mins* to 2 hours 35 mins FAN DELAY “Fd-03” 01 to 06** minutes 03 mins
* Defrost cycle has a minimum 15 minute duration (unless reaches 75ºF on evaporator) ** CAUTION: long delay times can cause refrigerant flood back to the compressor
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“Temp” Button Functions

To view any of the “Temp” button settings, just press and release in the following order .
To adjust settings, hold down the “Temp” button while pushing “Up” or “Down” buttons.
Function Display Adjustment Factory Default
Shows: Range: Setting:
ROOM SET POINT cut-in temp. “SP / -10F” -40 to 99ºF -10ºF (Freezer)
+39ºF (Cooler) ROOM set point differential “diF / 04F” 2 to 25ºF 4ºF EV AP end plate temperature “EVAP” / actual ºF NA (reading only) N A DEFROST termination temp. “dtº / 55ºF” 40 to 70ºF 55ºF F-C Fahrenheit/Celsius “F” F or C F

“Man. Def” (Manual Defrost) Button Function

Push and hold down (1 sec) to activate a manual defrost cycle. To cancel at any time just push again (hold for 1 sec). All regular timed defrost s will still continue to be scheduled.
The defrost will not start if the evap end plate is over 55°F (set point of termination temp). During any defrost cycle the display will indicate the room set point setting and will not display the actual room temperature until 4 minutes after the defrost has terminated.

User Lock Option

To prevent unauthorized personnel from tampering with any settings, a locking function can be enabled. This will allow any user to view the settings but will prevent anyone from making adjustments. The LED display will indicate LOC for 4 seconds during any attempt to adjust.
To activate the lock mode, hold down the “Temp”, “Up” and “Down” buttons together for three seconds.
To de-activate, wait for LOC (if displayed) to clear from display, then follow the same procedure as programming the lock mode.

Loss of Power

All previously programmed set points will be retained in the program during the event of a power loss. The clock time will re-start at the time setting of when the power was lost (similar to mechanical
defrost clock) .
Air Defrost Application:
Ensure wiring has been modified according to the air defrost diagram. Fans must stay on all the time. For air defrost applications the room temperature should be no colder than 35°F. To program the control to Air Defrost mode push the “UP” and “DOWN” button together. After 5 seconds “Ed” will appear in the display (continue holding down buttons) after 5 more seconds “Ad” will appear in the display at this point release both buttons. A small LED dot will appear in the bottom right hand corner of the display , indicating the control is now programmed for air defrost mode. Factory settings are: Room thermostat cut-in: 39°F. Defrost frequency: 3 cycles per day for 45 minute duration.
Troubleshooting Guide:
see pages 7 & 8.
Technical Assistance:
contact the factory at 1-800-463-9517
Note: the display will have a LED dot indicator on the display when in locked mode (see “LED Display” section)
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