Kitchen Brains MODULARM DAC-55 User manual

Kitchen Brains © 2013 | www.KitchenBrains.com | 229-40073 B Page 1 of 8
This document contains confidential information. The dissemination, publication, copying, or duplication of this document or the software described herein without prior written authorization is strictly prohibited.
24/7 Toll-Free Technical Support
1-800-243-9271
(from the U.S., Canada and the Caribbean)
Save the instructions
for future reference.
www.KitchenBrains.com
INSTALLATION GUIDE
DAC-55™Door Monitor

Kitchen Brains © 2013 | www.KitchenBrains.com | 229-40073 B
This document contains confidential information. The dissemination, publication, copying, or duplication of this document or the software described herein without prior written authorization is strictly prohibited.
Page 2 of 8
DAC-55™Door Monitor Installation
NOTICES
Before you start, please read these instructions
thoroughly in order to obtain maximum benefit from
the capabilities that this product offers.
Thank you for purchasing the DAC-55™Walk-in Door
Monitor. This product was designed with four objectives:
energy savings, operator safety, to make certain normally
manual functions automatic and to train personnel to keep
door closed. When fully utilized, the DAC-55 integrates a
Door Ajar Alarm, a Panic (Entrapment) Alarm, control of
refrigeration operation (relative to the status of the door),
and automatic control of compartment lights into a single
unit that is easy to install and use. Most importantly, it
addresses issues for which it is designed at the right
location: at the door itself.
OPERATION
Status of the door is monitored with provided low voltage
magnetic contacts. Additional contacts may be added to
monitor multiple doors. (A low current electromechanical
switch, opening when the door is opened may also be
utilized.) Three internal relays provide independent control of
Solenoid Valve, Evaporator Fans & Compartment Lights. An
alarm relay is also provided for remote notification.
MONITORED CONDITIONS
SYSTEM
FUNCTIONS
DOOR
CLOSED *1
(NORMAL
OPERATION)
DOOR OPENED DOOR OPENED FOR
TOO LONG
(ALARM DELAY TIMES
OUT)
DOOR CLOSED
DOOR AJAR
ALARM
No alarm Audible alarm delay
activates. (Field
adjustable, 5-45 minutes.)
(See diagram on back.)
(Strobe *2, and/or alarm
relay, *3, may activate.)
Audible alarm activates. Alarm functions reset.
No alarm.
INTERIOR
LIGHTS
OFF ON ON Lights turn off 10 minutes
after door is closed.
(Unless optional IP-1 is
pressed if installed.
See page 3).
REFRIGERATION
SYSTEM
ON Refrig. operation may be
interrupted depending
upon settings of user
selectable parameters.
*4
If refrig. operation has
been interrupted & door
remains open for 40 sec.
after aud. sounds, refrig.
will automatically restart.
(Auto Restart)
Refrigeration will resume
in 8-10 seconds if it had
been interrupted, once the
door has closed.
*1 Door closed at any time always restores normal operation. (No Alarm, Lights Off, Refrigeration On.)
*2 Use Strobe Select Pin Jumper (See Diagram on back of instructions) to select Strobe operation: Instant = Strobe activates when door is first open, Delay = Strobe
activates when audible sounds.
*3 Use Instant On Alarm Relay Switch (See Diagram on back of instructions) to select relay operation: ON = Relay activates when door is open. (For connection to an
energy management system.) OFF = Relay activates when audible sounds. (For secondary alarm annunciation.)
*4 User selectable parameters for configuring refrigeration interruption are: (See Diagram on back of instructions.)
A) Refrigeration Shutoff Pre-Delay Adjustment – Screwdriver adjustment providing a means for creating a period of time from when the door is opened to
when fans and solenoid shut off. Prevents refrigeration from being turned off & on every time door is opened and closed. Useful for applications such as foodser-
vice where frequent short duration opening and closing of doors is the norm. (Range: 1-120 seconds)
B) Constant On Refrigeration Switch - When selected (ON), overrides the Refrigeration Shutoff Pre-Delay Adjustment and keeps refrigeration operating when-
ever the door is open.
C) Fan Shutoff Switch – Provides capability of separating evaporator fans operation from solenoid operation. When selected (ON), fans will shut off immediately when
the door is opened, but the solenoid will continue to respond to the settings of the Refrigeration Shutoff Pre-Delay Adjustment or the Constant On Refrigeration
Switch. When not selected (OFF), fans & solenoid both operate identically.

Kitchen Brains © 2013 | www.KitchenBrains.com | 229-40073 B
This document contains confidential information. The dissemination, publication, copying, or duplication of this document or the software described herein without prior written authorization is strictly prohibited.
Page 3 of 8
DAC-55™Door Monitor Installation
OPERATION OF THE OPTIONAL IP-1
ILLUMINATED PUSHBUTTON: MOUNTS
INSIDE OF WALK-IN!
In order to increase product capabilities, the DAC-55 has been
designed to accept a low voltage, Illuminated Pushbutton
as an additional means of device activation. The Illuminated
Pushbutton is an optional accessory, (Part # IP-1), and
when utilized, is to be mounted inside of the monitored
compartment. A piezo horn is also incorporated into the IP-1.
Added functionality offered by the IP-1 is as follows:
WITH THE DOOR OPEN:
With the door opened, IP-1 functions are dependent on the
position of the Pushbutton Enable Switch. (See Diagram
on back of instructions.) If the Pushbutton Enable
Switch is (ON), pressing the IP-1 with the door open when
a Door Ajar Alarm occurs will reset the alarm and restart
the alarm delay timer. This can be done repeatedly and is
useful when a door is opened for a prolonged period of time
such as loading or unloading. If the Pushbutton Enable
Switch is (OFF), pressing the IP-1 with the door open will
not affect DAC-55 or compartment operation. Therefore,
when a Door Ajar Alarm occurs, the door must be closed to
terminate the alarm and restore normal operation.
WITH THE DOOR CLOSED:
(Operation of the IP-1 with the door closed is not affected
by the Pushbutton Enable Switch or by any other variable
parameter settings. IP-1 operation with the door closed is
always as follows:)
When the door is first closed, the Horn in the IP-1 beeps
on and off so as to draw attention to the IP-1 and to the
Pushbutton Label. The Pushbutton Label instructs personnel
inside of the compartment to press the button in order to
keep the lights on and to turn off refrigeration with the door
closed. (Label is in English and Spanish.)
1. If the IP-1 is not pressed within 40 seconds, the horn
stops beeping and the lights turn off automatically
after 10 minutes.
2. Pressing the IP-1 with the door closed keeps interior
lights on (or turns them on if they are off), shuts
refrigeration off (Fans & Solenoid) and starts the
Automatic Panic Alarm timer. (Timer delay is 20
minutes, non-adjustable.)
3. If personnel remain in the compartment for 20
minutes with the door closed, the IP-1 Horn begins
to beep again. Re-pressing the button silences the
horn and resets and restarts the Automatic Panic
Alarm Timer. This may be done repeatedly.
4. Automatic Panic Alarm – If the button is not re-
pressed within 40 seconds from when the IP-1 horn
begins to beep, the horn and the strobe light on the
DAC-55 activate immediately to draw attention to the
walk-in. Alarm relay activates as well. AUTOMATIC
PANIC ALARM IS A SAFETY FEATURE to protect an
individual who may have been injured or is otherwise
disabled inside of the compartment and cannot re-
press the IP-1.
5. Manual Panic (Entrapment) Alarm – Activated by
pressing the IP-1 for 2 seconds (as described on the
Pushbutton Label). This causes immediate activation
of strobe light, audible alarm & alarm relay and is
PROVIDED AS A SAFETY FEATURE for situations
where personnel may be trapped inside of the
walk-in.
INSTALLATION:
MOUNTING:
1. MAGNETIC CONTACTS: INSTALLATION TIP:
IF DESIRED, AND IF DOOR CONFIGURATION
PERMITS, SWITCH PART OF MAGNETIC
CONTACTS MAY BE MOUNTED INSIDE OF
DAC-55 ENCLOSURE. THIS WILL NOT AFFECT
OPERATION OF CONTACTS AND WILL MAKE FOR
A CLEANER INSTALLATION. Provided Magnetic
Contacts may be mounted with adhesive backing or
with provided screws. Mount magnet part of contact
onto top edge of door, as far away from the hinged
side as possible. Mount switch part of contact onto
door frame, directly above magnet, positioned so
that contacts close (make contact) when door
is closed. When mounted, gap between magnet &
switch should not exceed 1.25” when door is closed.
NOTE: On steel doors, the steel of the door may
reduce this operating gap. Position accordingly.
2. DAC-55 ENCLOSURE: Remove the faceplate. If
switch part of magnetic contact is not mounted
inside of the DAC-55, the enclosure may be mounted
in any appropriate location on the front of the walk-in.
If switch part of contact is mounted inside of DAC-55,
position the DAC-55 enclosure above the magnet
mounted on the walk-in door and mount the switch
on the inside bottom wall of the DAC-55 enclosure,
positioned so that contacts close when door is
closed. A meter on resistance scale or a continuity
checker is helpful in checking magnetic contacts for
proper operation. A temporary power cord may also
be used to help in positioning contacts as follows:
Have strobe pin jumper in instant position. When
contacts are placed properly, strobe will turn on
when door is open and turn off when door is closed.

Kitchen Brains © 2013 | www.KitchenBrains.com | 229-40073 B
This document contains confidential information. The dissemination, publication, copying, or duplication of this document or the software described herein without prior written authorization is strictly prohibited.
Page 4 of 8
DAC-55™Door Monitor Installation
INSTALLATION: MOUNTING (Continued):
3. IP-1 ILLUMINATED PUSHBUTTON: Mount the IP-1
inside of the walk-in next to the unhinged side of the
door frame.
WIRING: (See Diagram on back of Instructions)
NOTE: ALL LINE VOLTAGE AND SIGNALING WIRING
CONNECTED TO THE DAC-55 THROUGH ANY SIDE
WALL MUST BE ENCLOSED IN CONDUIT WITH
SUITABLE FITTINGS FOR CONNECTIONTO THE DAC-55
ENCLOSURE. ALL CONDUIT FITTINGS WHICH ENTER
THE ENCLOSURE MUST BE CAPPED BY A PLASTIC
BUSHING.
LOW VOLTAGE CONNECTIONS: (See the 4 Green
Terminal Strips inside of unit.) Strip insulation on all low
voltage wires approx. ¼”. Terminal Strip connections are
made by pressing down on the respective actuator button
with a small screwdriver and inserting the wire into the
hole below the actuator. Removing screwdriver pressure
will clamp the wire. Do not insert wire too far or you may
clamp onto insulation. Tug gently on wires to make sure
connections are secure.
1. MAGNETIC CONTACTS: Connect to Door Switch
Terminal Strip.
NOTE: Multiple Contacts wired in series may be
used for multi-door compartments. Any door so
connected and opened or closed will be sensed by
the DAC-55.
2. IP-1 ILLUMINATED PUSHBUTTON: The IP-1 comes
with an 8’ length of 4 conductor wire. Connect to
the PB Switch Terminal Strip, observing the color
code as shown on the diagram on the back of these
instructions. (Left to right: Black, White, Red &
Yellow.) The color code is also printed on the DAC-55
circuit board.
NOTE: The path for this wiring or any wiring
which enters the DAC-55 enclosure from within
the monitored compartment must be sealed with
silicone or insulating foam to keep moisture out of
the DAC-55.
3. DATALARM PORT: (Used only if interconnecting the
DAC-55 to the Datalarm Temperature Monitoring/
Datalogging System.) “Ground” and “Out”
connections send a signal from the DAC-55 to the
Datalarm for Door Ajar and Panic Alarm conditions
(For activation of “Check Door” function on the
Datalarm). “Ground” and “In” connections send a
signal from the Datalarm to the DAC-55 to make
the Horn and Strobe on the DAC-55 activate in a
temperature alarm condition. Either or both functions
may be utilized as required. Connect accordingly.
(See Datalarm Instructions for additional information.)
4. ALARM RELAY: Normally open and normally closed
dry contacts are provided. Connect to energy
management system or to remote notification
equipment if so desired.
LINE VOLTAGE CONNECTIONS:
(Use top knockout for access.) Connections are typically
made through ½” thin wall conduit. Provide 120VAC for
DAC-55 operation and connect to 18 AWG black & white
wires. (Current required: 80mA) Connect the provided 18
AWG green wire to earth ground. Control contacts for fans
& solenoid are dry contacts, normally closed and for lights
are dry contacts, normally open. Dry Contacts function
only as switches and the DAC-55 does not provide
any power to the devices being controlled. Connect
accordingly as shown on diagram using insulated female
.250” connectors sized for the gauge of wire that you
are using. It is recommended that wiring be kept short,
approximately 6-8” in length. When the DAC-55 is being
used to operate lights, a standard light switch is no longer
required, and any existing switches should be disconnected.
SETUP & TEST:
1. Apply power to DAC-55.
NOTE: If the door is closed when powered up,
interior lights will turn on for 10 minutes and then
shut off. This is a safety feature to insure that lights
will turn back on if a momentary power failure, such
as from a thunderstorm, occurs while there are
personnel in the compartment.
2. Determine your desired sequence of DAC-55
operation and set adjustments accordingly.
(See Operation description on front page of
instructions.) Selections on the 4 position Dip
Switch may be combined to produce the desired
operation. (Press in on the top of the respective Dip
Switch to select its function.)
NOTE: Selecting Constant On Refrigeration Switch
& Fan Shutoff Switch at the same time is not a
recommended mode of operation as compressor
damage may result. Additionally, if the Fan Shutoff
Switch is selected & Constant On Refrigeration is
not selected, the Refrigeration Shutoff Pre-Delay
setting should not exceed 15 seconds, as a longer
delay time may also cause compressor damage. It
is the responsibility of the refrigeration technician to
determine proper operation.

Kitchen Brains © 2013 | www.KitchenBrains.com | 229-40073 B
This document contains confidential information. The dissemination, publication, copying, or duplication of this document or the software described herein without prior written authorization is strictly prohibited.
Page 5 of 8
DAC-55™Door Monitor Installation
3. A 10 position Alarm Delay Adjust dip switch is
provided for selecting the door ajar alarm delay and
for testing. (Range: 5 minutes to 45 minutes in 5
minute increments, selectable on switches 1 thru
9. Switch 10 is a Test Switch, and when selected,
will cause the DAC-55 to annunciate a door ajar
condition in 5 seconds.The Test Switch also
overrides any Refrigeration Shutoff Pre-Delay
setting and turns off refrigeration in 1 second.
The Test Switch is provided as a means of quickly
verifying device operation. If a 5 second time delay
is desired for normal usage, the Test Switch may also
be used as an operating mode.
4. Select the Test Switch and simulate various modes
of operation to verify that the DAC-55 functions
as intended in accordance with selected settings.
Once testing is completed and operation is verified,
de-select the Test Switch (unless you are using it for
desired operation) and select the desired door ajar
alarm delay using ONLY ONE of switches 1 thru 9.
SELECT ONLY ONE SWITCH OR ERRONEOUS
TIMES WILL RESULT. A SWITCH MUST BE
SELECTED FOR PROPER OPERATION.
5. Adjustments and selections of any settings may be
made with power on or off. Power outages will not
affect user settings. Changes made in user settings
with the door opened will store in program memory
when the door is closed and will affect operation
when the door is next opened.
6. After adjusting and testing, mount the faceplate
onto the enclosure and re-fasten with the provided
screws. Make sure that the faceplate is seated onto
the 4 nylon standoffs and the 2 metal standoffs that
it mounts against. You may have to “wiggle” the
strobe to seat the faceplate properly. Also, make
sure that there are no wires pinched between the
faceplate and any of the standoffs. Installation is
now complete.
DAC-55™DOOR MONITOR WIRING & SETUP DIAGRAM