P/N 374511B
March, 1997
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P/N 374511B
Hand Held Device
™
PROTOCOL
Page 1
KEY PAD INSTRUCTIONS
Shift Upper – This key is used to key in the top
(red) letters.
Shift Lower – This key is used to key in the
bottom (blue) letters.
NOTE: If either of the above keys is pressed
accidentally, simply press it again to deactivate
it.
INS & DEL – The screen will prompt you
when you need to use these keys.
CLR – Clears last entry
Help – There are no help screens on the current
software.
ESC – Escape; returns you to the previous
menu.
ENT – Enter; you will be prompted as to when
to use this key.
Space – enters a space between letters.
Arrows – These keys move the cursor in the
direction shown. The Right Arrow key is also
used to toggle between functions such as
enable/disable and press/temp.
970307
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
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P/N 374511B
Page 2
Hand Held Device
™
PROTOCOL
The Hussmann Interface Module may be operated
from either battery power or from a 120V/12VDC
transformer. When using the transformer, connect
Module before plugging in the transformer. The
startup screen will automatically appear.
HUSSMANN
INTERFACE MODULE
(C) 1991 HUSSMANN
CORPORATION
VER 1.30
When battery operated, the Module will shut down
if the key pad has not been used for three minutes.
When a transformer is used, the hand held module
will beep and remain on.
If the battery is too weak to function, the menu
screen will become faint or not come up at all. If
the battery is completely without power, the han
held module will beep and show an alar
message. There is also a Low Battery mess
that appears at the Main Menu for Protocol™
Regardless of the power source, if Protoc
not communicating with the hand held m
beep will sound and a COMM ERROR me
appear. If the Protocol™ system is with
the hand held module will beep a
ALARM message.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
970307
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P/N 374511B
Hand Held Device
™
PROTOCOL
Page 3
Following the startup screen, the
SELECT EQUIPMENT screen will appear.
SELECT EQUIPMENT
SELECT EQUIPMENT
1-PROTOCOL
1-PROTOCOL
2-CASE CONTROL
3-PUMPING STATION
4-FLUID COOLER
2-CASE CONTROL
3-PUMPING STATION
4-FLUID COOLER
Press 1 on the key pad.
The PROTOCOL™ MAIN MENU will appear. This
screen has 5 submenus each of which has its own
submenu(s), see page 4.
PROTOCOL MAIN MENU
Any time a numbered list appears on the menu
screen, pressing the key pad number will take you
to that submenu or function.
1-STATUS MENU
2-CONFIG MENU
3-DEFROST MENU
4-MAINT MENU
5-ALARM MENU
Notes:
1) If Case Control is accidentally selected, the
only way to escape is to disconnect power to the
Interface Module.
LOW BATTERY
2) Neither Pumping Station nor Fluid Cooler
information is contained in this manual.
3) LOW BATTERY appears only if battery voltage
is below normal levels
970307
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
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P/N 374511B
Page 4
Hand Held Device
™
PROTOCOL
PROTOCOL MAIN MENU
(_ _) = PAGE NUMBERFORMORE INFORMATION
1- STATUS MENU (07)
2- CONFIG MENU (10)
3- DEFROST MENU (23)
4- MAINT MENU (28)
5- ALARM MENU (30)
MAIN STATUS MENU
1-PRESSURES (07)
2-DEFROST / TEMPCKT (08)
3-TEMPERATURE MENU (09)
4-COMP RUN METERS (09)
CONFIG MENU
DEFROST MENU
MAINT MENU
1-SET THE CLOCK (10)
2-SENSOR SETUP (11)
3-PROTOCOLSETUP(15)
4-COMM SETUP (20)
5-LIGHTCONTROL(21)
6-TEMPCONTROL(22)
1-VIEW/SET ITEMS (23)
2-COPY SCHEDULE (25)
3-ASSIGN OUTPUTS (26)
*4-ASSIGN CIRCUITS
FOR SPLIT SUCT(27)
1-FORCE A COMP ON
2-CLEAR FORCE FLAG
3-FORCE A COMP OFF
4-FORCE A DEFR ON
5-FORCE A DEFR OFF
PRESS ENT FOR MORE
6-CLEAR RUN METER
7-FORCE LIGHT ON
ALARM MENU
PRESSURE STATUS
P1 P2
A01- LO SUCTION PRESS
TIME 01:56 01/21
END OF ALARMS
SUCTION
SETPOINT
42
40
0
0
#COMPS - 1 2 3 4 5 6
ON (X) X X X X
*This item only appears when unit is configured
for split suction option.
8-FORCE LIGHT OFF
**9-CLEAR ALM TABLE
**0-RESETCONTROL
TEMPERATURE STATUS
(F)
SP
0
0
T1
T2
T3
-40
-40
-40
0
**These options only available with Software Version 2.30 or greater.
Protocol Control must also be V1.30 or greater
PRESS ENT FOR MORE
TEMPERATURE STATUS (CONT)
(F)
0
0
0
0
SP
0
0
0
0
T4
T5
T6
T7
T8
TEMP / CIRCUIT #1
NAME – CIRCUIT #1 NAME
0
0
STATUS
– REFR
TEMPCTRL – ENABLED
AUXILIARY STATUS (EXPANDED)
(F)
AUX #1 22
REFRIG: ON
SETPT
20
REF 18
A7 -
A8 -
A9 -
A10 -
A11 -
A12 -
0
0
0
0
0
0
COMPRESSOR RUN METER
COMP1
COMP2
COMP3
COMP4
COMP5
COMP6
56
57
56
53
0
HOURS
HOURS
HOURS
HOURS
HOURS
HOURS
0
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
970307
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P/N 374511B
Hand Held Device
™
PROTOCOL
Page 5
CONFIG MENU
(_ _) = PAGENUMBER FORMORE INFORMATION
1- SET THE CLOCK (10)
2- SENSOR SETUP (11)
3- PROTOCOLSETUP(15)
4- COMM SETUP (20)
5- LIGHT CONTROL(21)
6-TEMPCONTROL(22)
CLOCK SETUP MENU
SENSOR SETUP MENU
PROTOCOLSETUPMENU
TIME
DATE
YEAR
-
-
-
22:23
02:23
96
COMM SETUP MENU
1-PRESSURE # 1 (11)
2-PRESSURE #2 (12)
3-TEMP # 1 (13)
4-TEMP # 2 (13)
5-TEMP # 3 (13)
1-REFR SETUP (15)
2-DEFR SETUP (18)
3-DESCRIPTION (19)
4-ALARM OUTPUT (19)
STATION NUMBER - 99
DAYLIGHT-
SPRING -
ENABLED
02:00 04/27
02:00 10/28
BAUD RATE
- 19200
FALL
-
TEMPERATURE CONTROL
1-REFR CIRCUIT #1 (22)
2-REFR CIRCUIT #2 (22)
3-REFR CIRCUIT #3 (22)
4-REFR CIRCUIT #4 (22)
5-REFR CIRCUIT #5 (22)
6-REFR CIRCUIT #6 (22)
7-REFR CIRCUIT #7 (22)
8-REFR CIRCUIT #8 (22)
1-TEMP # 4 (13)
2-TEMP # 5 (13)
3-TEMP # 6 (13)
4-TEMP # 7 (13)
5-TEMP # 8 (13)
6-AUX SENSORS (14)
LIGHT MENU
1-CIRCUIT #1 (21)
2-CIRCUIT #2 (21)
ALARM OUTPUT
OUTPUT NUMBER - X
LIGHT CIRCUIT #1
STATUS
STATUS
NAME
-
-
-
-
ENABLED
ENABLED
CASE LTS
04:00
DESCRIPTION
NAME – PROTOCOLNAME
CONFIG - REFRIGERATION
COMPS (TOTAL)
REFR CIRCUIT #1
ON TIME
-
4
TEMPCNTL - ENABLED
OFF TIME - 22:00
OUTPUT 08
CYCLING - ROUND ROBIN
SUCTION SP - 15 PSI
SPLIT SUCTION - DISABLED
SETPOINT
RATE
- 15 F
3 F
-
-
OUTPUTRELAY - 1
CONFIG DEFROST
# OF CIRCUITS - 3
# COMPRS
SPLITSP
-
-
0
0 PSI
INTERLOCK - DISABLED
DRIP CYCLE - 0
SAT CONTROL
SAT SETPT
SAT DIFF
CONTROL
SPR CONTROL
SPR SP
-
-
-
-
-
-
DISABLED
0 F
0 F
TEMP
DISABLED
0 F
MIXMATCH SETUP
COMPRESSORS
STEP
1
2
0
X
X
X
3
0
0
X
X
4
0
0
0
X
1
2
3
4
-
-
-
-
01 =
03 =
06 =
14 =
X
X
0
0
:
:
16 -
00 =
0
0
0
970307
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
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P/N 374511B
Page 6
Hand Held Device
™
PROTOCOL
DEFROST MENU
(_ _) = PAGENUMBER FORMOREINFORMATION
1- VIEW/SET ITEMS (23)
2- COPY SCHEDULE (25)
3- ASSIGN OUTPUTS (26)
*4-ASSIGN CIRCUITS
DEFROST MENU
DEFROST CIRCUIT #X
DEFROST BOARD #1
CIRCUIT
NAME
STATUS
TYPE
OFTIM
03
OUTPUT
CIRCUIT
1
2
3
4
5
6
7
8
CIRCUIT #1 NAME DEFR
CIRCUIT #2 NAME REFR
CIRCUIT #3 NAME DATV
CIRCUIT #4 NAME N/A
CIRCUIT #5 NAME N/A
CIRCUIT #6 NAME N/A
CIRCUIT #7 NAME N/A
CIRCUIT #8 NAME N/A
NUMBER
LENGTH
START
FOR SPLIT SUCT(27)
1
2
3
4
1
2
3
4
15
00:00
00
SUCTION ASSIGNMENT (27)
AMPERAGE
CIRCUIT
SUCTION
1
2
3
4
5
6
7
8
01
01
01
01
01
01
01
01
DEFR TERM ENABLED
DEFROST BOARD #2
2ND DEFR
3RD DEFR
08:15
16:00
OUTPUT
CIRCUIT
5
6
7
8
5
6
7
8
COPY DEFROST SCHEDULE
EXPANSION BOARD
OUTPUT CIRCUIT
COPY FROM CIRCUIT - 00
COPY TO CIRCUIT - -
9
00
00
00
00
10
11
12
EXPANSION BOARD
OUTPUT CIRCUIT
13 00
DEFROST BOARD #3
DEFROST BOARD #4
OUTPUT CIRCUIT
21 00
OUTPUT
CIRCUIT
17
18
19
20
00
00
00
00
14
15
16
00
00
00
22
23
24
00
00
00
*This item only appears when unit is configured for split suction option.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
970307
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P/N 374511B
Hand Held Device
™
PROTOCOL
Page 7
STATUS MENU
1-STATUS MENU
PROTOCOL MAIN MENU
This is a read only menu. It gives you current
operating conditions.
1-STATUS MENU
2-CONFIG MENU
3-DEFROST MENU
4-MAINT MENU
P1 gives the present pressure for the suction man-
ifold.
5-ALARM MENU
P2 gives the second suction pressure input.*
Press ESC Key.
STATUS MENU
SETPOINT is the Suction Set Point for the control
board. The board turns compressors ON and OFF
to maintain this suction pressure.
1-PRESSURES
2-DEFROST / TEMP CKT
3-TEMPERATURES
# COMPS - 1
ON(X)
lists the compressor numbers, and indicates
which are running.
2
X
3
4
X
4-COMPR RUN METER
Note: Compressors are configured as follows:
Horizontal Protocols
PRESSURE STATUS
1
2
3
4
5
6
P1 P2
SUCTION
SETPOINT
0
0
0
0
Vertical Protocols
2
4
3
6
5
# COMPS - 1 2 3 4
ON(X)
X X
PRESS ENT FOR MORE
1
*When Split Suction is installed or when Satellite
compressor is controlled by pressure, P2 can also
be used to monitor high side discharge pressures.
970307
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
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P/N 374511B
Page 8
Hand Held Device
™
PROTOCOL
STATUS MENU (Continued)
2-DEFROST / TEMP CKT
This is a read-only menu. This screen shows the
current operational status of Defrost Circuits and
associated temperatures as provided by Auxiliary
inputs.
STATUS MENU
1-PRESSURES
2-DEFROST / TEMP CKT
3-TEMPERATURES
4-COMPR RUN METER
NAME gives a description of the case loads for this
defrost circuit.
STATUS indicates whether the defrost circuit is in
defrost (DEFR), refrigeration (REFR), or a
Manually Forced condition (F-DEFR, F-REFR).
TEMP CIRCUIT #1
NAME
–
–
–
CIRCUIT #1 NAME
TEMP-CTRL indicates whether temperature control
is available for this circuit. This control feature
allows the refrigeration solenoid to be operated ON
and OFF to maintain a temperature setpoint.
STATUS
REFR
ENABLED
SETPOINT
20
TEMP CTRL
(F)
22
AUX #1
AUX #X provides the actual temperature reading
of the circuit. Note that X will be a number
between 1 and 8 depending upon the Temp/Circuit
number you are currently accessing.
REFRG – ON
REF 7
REFRIG is the status of the defrost/refrigeration
relay. ON indicates that power is being fed to the
solenoid. OFF indicates that the solenoid is de-
energized.
REF is an internal setpoint used by the Temp
Control algorithm. This number will increase up /
decrease down dependent upon the relationship of
the temperature reading (AUX #) and the circuit
setpoint.
Press ENT to view additional circuit information.
Note: Temperature Control is available on Hand
Held Devices V2.40 or greater.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
970307
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P/N 374511B
Hand Held Device
™
PROTOCOL
Page 9
STATUS MENU (Continued)
3-TEMPERATURE MENU
TEMPERATURE MENU
T1 temperature reading for suction pressure reset
or optional temperature input.
F
- 40
- 40
- 40
SP
0
T1 -
T2 -
T3 -
0
T2 temperature reading for satellite or optional
temperature input.
0
PRESS ENT FOR MORE
T3 If split suction is installed, T3 may be factory
set to read head pressure instead of temperature.
Screen will show T3- ___PSI.
TEMPERATURE MENU
If split suction is not installed, T3 is a designated
temperature input; but if you prefer, it can be con-
figured as a pressure input (See page12).
F
0
0
0
0
0
SP
0
T4 -
T5 -
T6 -
T7 -
T8
0
Press ESC Key.
0
0
A7 thru A12 are additional temperature inputs.
These readings may be established by the user as
either ANALOG or DIGITAL under the CONFIGU-
RATION MENU. When set on DIGITAL the read
out will be either OPEN or CLOSED. The digital
setting is applicable to thermostats or auxiliary
contactors.
0
PRESS ENT FOR MORE
AUXILIARY MENU
A7 -
OPEN
CLOSED
OPEN
- 40
When the ANALOG setting is used a thermistor is
used to retrieve temperature readings between – 40
and + 120˚F.
A8 -
A9 -
A10 -
A11 -
A12 -
60
When not used the menu will read OPEN if set on
DIGITAL. Set on ANALOG, an unused input will
produce a – 40.
- 40
Press ESC Key.
COMPRESSOR RUN METER
4-COMPRESSOR RUN METER
COMP1
COMP2
COMP3
COMP4
COMP5
COMP6
56
57
56
55
0
HOURS
HOURS
HOURS
HOURS
HOURS
HOURS
COMPRESSOR RUN METER submenu appears.
This menu shows the total number of hours that
each compressor has been operating.
Press ESC to return to STATUS MENU.
0
970307
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
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P/N 374511B
Page 10
Hand Held Device
™
PROTOCOL
CONFIG MENU
2-CONFIG MENU
PROTOCOL MAIN MENU
1-STATUS MENU
2-CONFIG MENU
3-DEFROST MENU
4-MAINT MENU
This set of menus is used to make changes in the
Protocol’s configuration. Press 2 on the Keypad
to enter the CONFIG submenu.
5-ALARM MENU
1- SET THE CLOCK
Press 1 on the Keypad to enter the CLOCK SETUP
submenu. This screen has 5 fields used to set the
correct time/date.
CONFIG MENU
1-SET THE CLOCK
2-SENSOR SETUP
3-PROTOCOL SETUP
4-COMM SETUP
Hour
(24-hr clock only)
22
Minute
23
01
02
96
5-LIGHT CONTROL
6-TEMP CONTROL
Month date
Day date
Year date
(Last two digits only)
The screen appears with the cursor indicating the
hour field.
CLOCK SETUP MENU
22
TIME
–
–
–
–
–
–
22: 23
CURSOR
DATE
01/ 02
YEAR
96
Press the CLR button. This will change the field
to 00. Then input the correct hour and press ENT.
The cursor will move to the next field. Repeat the
process through each field.
DAYLIGHT
SPRING
FALL
ENABLED
02:00 04/28
02:00 10/27
Press ESC to return to the CONFIG MENU.
When enabled, the DAYLIGHT function will auto-
matically adjust the time and year (in case of leap
years) corresponding to changes in TIME and DATE.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
970307
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P/N 374511B
Hand Held Device
™
PROTOCOL
Page 11
CONFIG MENU (continued)
CONFIG MENU
2- SENSOR SETUP
1-SET THE CLOCK
2-SENSOR SETUP
3-PROTOCOL SETUP
4-COMM SETUP
Press 2 on the Keypad to enter the Sensor Setup
Submenu. This screen has 6 menus.
1- PRESSURE #1
5-LIGHT CONTROL
6-TEMP CONTROL
Press 1 on the Keypad to enter the Pressure #1
Submenu.
SENSOR SETUP MENU
PRESSURE #1 controls the suction pressure for
the Protocol Control. Press the CLR key. Key in
the applicable suction pressure in psig for HI
ALARM and press ENT. Repeat for LO ALARM.
1-PRESSURE #1
2-PRESSURE #2
3-TEMP #1
Pressure Transducers are supplied in one of three
ranges:
4-TEMP #2
5-TEMP #3
0 to 100
0 to 200
0 to 500
PRESSURE #1
Using the
key, toggle to the range of the trans-
ducer used. Press ENT.
HI ALARM
LO ALARM
40 PSI
20 PSI
Offset allows manual calibration for the pressure
transducer. Manual calibration is achieved by
entering a number between -5 and +5. This number
will then be used to offset the pressure reading by
the entered amount.
XDCR RANGE
OFFSET
- 100 PSI
PSI
0
WARNING: Improper calibration of the
transducer could lead to unpredictable
operation of the control. Verify the accu-
racy of the transducer reading with a
minimum of two gauges.
Note: Manual calibration is available on Hand
Held version V2.40 or greater.
Press ESC to return to SENSOR SETUP MENU.
970307
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
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P/N 374511B
Page 12
Hand Held Device
™
PROTOCOL
CONFIG MENU (continued)
2- PRESSURE #2
SENSOR SETUP MENU
Press 2 on the Keypad to enter the Pressure #2
Submenu.
1-PRESSURE #1
2-PRESSURE #2
3-TEMP #1
PRESSURE #2 controls the suction pressure or
Split Suction on the Protocol Control. Press the
CLR key. Key in the applicable suction pres-
sure in psig for HI ALARM and press ENT.
Repeat for LO ALARM.
4-TEMP #2
5-TEMP #3
Pressure Transducers are supplied in one of three
ranges:
PRESSURE #2
0 to 100
0 to 200
0 to 500
HI ALARM
LO ALARM
XDCR RANGE
ALARM
0
0
PSI
PSI
- 100 PSI
ENABLED
Using the
key, toggle to the range of the trans-
ducer used. Press ENT.
OFFSET
0
PSI
Using the
key, move down to the Alarm status
selection. Using the
DISABLED. Press ENT.
key, toggle ENABLED or
Offset allows manual calibration for the pressure
transducer. Manual calibration is achieved by
entering a number between -5 and +5. This number
will then be used to offset the pressure reading by
the entered amount.
WARNING: Improper calibration of the
transducer could lead to unpredictable
operation of the control. Verify the accu-
racy of the transducer reading with a
minimum of two gauges.
Note: Manual calibration is available on Hand
Held version V2.40 or greater.
Press ESC to return to SENSOR SETUP MENU.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
970307
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P/N 374511B
Hand Held Device
™
PROTOCOL
Page 13
CONFIG MENU (continued)
3- TEMP #1
SENSOR SETUP MENU
3-TEMP #1 allows you to establish set point
and alarm levels for the first temperature
input.
1-PRESSURE #1
2-PRESSURE #2
3-TEMP #1
Press 3 on the Keypad to enter the TEMP #1
Submenu.
4-TEMP #2
5-TEMP #3
The ALM DELAY is a programmable time delay.
This sets the time it will take before the control
log’s the alarm.
TEMPERATURE # 1
The CIRCUIT - X allows you to attach a defrost
circuit to the temperature input (or vice versa).
When the circuit is in defrost, the HI ALARM will be
ignored.
SET PT
-
-
-
-
-
XX F
XX F
HI ALARM
LO ALARM
ALARM
3
4
5
XX F
ENABLE
30 MIN
X
Press CLR.
press ENT.
Key in your selection and
ALM DELAY
CIRCUIT
-
Using the
key, toggle ENABLED or DISABLED.
Press ENT.
TEMPERATURE # 2
Press ESC to return to SENSOR SETUP MENU.
SET PT
-
-
-
-
-
XX F
4- TEMP #2
HI ALARM
LO ALARM
ALARM
XX F
XX F
Press 4 on the Keypad to enter the TEMP #2
Submenu. Follow instructions above.
ENABLE
30 MIN
X
ALM DELAY
CIRCUIT
5- TEMP #3
-
Press 5 on the Keypad to enter the TEMP #3
Submenu.
TEMPERATURE # 3
INPUT MODE TEMP
If split suction is installed, TEMP #3 may be
factory set to read head pressure instead of
temperature. This is accomplished by changing
the input mode to Pressure.
-
SET PT
-
XX F
XX F
HI ALARM
LO ALARM
ALARM
-
-
-
-
XX F
If split suction is not installed, TEMP #3 is a
designated temperature input; but if you prefer it
can be factory set as a pressure input.
ENABLE
30 MIN
X
ALM DELAY
CIRCUIT
-
Using the
ENT.
key, toggle TEMP or PRESS. Press
Note: When using T3 for a pressure reading,
remember to place the hardware switch on the
main control board in the pressure position.
Press ESC to return to SENSOR SETUP MENU.
970307
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
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P/N 374511B
Page 14
Hand Held Device
™
PROTOCOL
CONFIG MENU (continued)
SENSOR SETUP MENU
1-TEMP #4
6- AUX SENSORS
2-TEMP #5
3-TEMP #6
Press 6 on the Keypad to enter the Auxiliary
Sensors Submenu.
4-TEMP #7
5-TEMP #8
6-AUX SENSORS
AUXILIARY SENSORS provide six temperature
inputs—analog or digital.
AUXILIARY SENSORS
Analog for thermistors
Digital for thermostats.
1-AUX SENSOR #1
2-AUX SENSOR #2
3-AUX SENSOR #3
4-AUX SENSOR #4
5-AUX SENSOR #5
6-AUX SENSOR #6
MORE ON NEXT PAGE
ANALOG SETTING
ANALOG accommodates temperature readings
between – 40 and + 120˚F. Set on ANALOG, an
unused input will produce a – 40.
DIGITALSETTING
When set on DIGITAL the read out will be either
OPEN (not in use) or CLOSED.
AUXILIARY SENSORS
1-AUX SENSOR #7
2-AUX SENSOR #8
3-AUX SENSOR #9
4-AUX SENSOR #10
5-AUX SENSOR #11
6-AUX SENSOR #12
Use the
DIGITAL.
key to toggle between ANALOG and
Using the ENT key, move down the selections.
Press CLR. Key in your selection and press ENT.
The cursor will move down to the next sensor.
AUX SENSOR #1
Press ESC to return to AUXILIARY SENSORS MENU.
Press ESC again to return to SENSOR SETUP MENU.
Press ESC again to return to CONFIG MENU.
MODE
–
DIGITAL
NAME –
TERM. SP
HI ALARM
LO ALARM
ALARM
–
–
–
–
CLOSED
0
F
F
-40
ENABLED
Note: Aux Sensors 7 through 12 are available
only on Expansion Module.
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PROTOCOL
Page 15
CONFIG MENU (continued)
CONFIG MENU
3- PROTOCOL SETUP
Press 3 on the Keypad to enter the Protocol Setup
Submenu.
1-SET THE CLOCK
2-SENSOR SETUP
3-PROTOCOL SETUP
4-COMM SETUP
1- REFR SETUP
Press 1 on the Keypad to enter the REFR SETUP
submenu.
5-LIGHT CONTROL
6-TEMP CONTROL
This screen programs the Control Board for the
refrigeration parameters:
PROTOCOL SETUP
Number of compressors controlled
Compressor Cycling Algorithm*
Suction Pressure Set Point
Split Suction Control—
ENABLED/DISABLED
Number of compressors controlled
Split Suction Reset Set Point
1-REFR SETUP
2-DEFR SETUP
3-DESCRIPTION
4-ALARM OUTPUT
To change numeric fields, press the CLR key.
Key in the applicable number. Press ENT. Use
the
Press ENT.
key, toggle between ENABLED/DISABLED.
CONFIG-REFRIGERATION
COMPS (TOTAL)
CYCLING
–
4
Use the down arrow to get to the next screen
which programs the satellite and Suction Pressure
Reset controls.
–
ROUND ROBIN
30 PSI
– ENABLED
SUCTION SP
SPLIT SUCT
# COMPRS
SPLIT SP
–
Satellite Control — ENABLED/DISABLED
Satellite Set Point
Satellite Differential
–
–
0
0
PSI
Sat. Control Status — TEMP/PRESS**
**When configured for pressure, the P2 input
serves as the connection point for the transducer.
Suction Pressure Reset status —
ENABLED/DISABLED
NOTE:
COMPS(TOTAL) is the total number of compressors on the
Protocol units
# COMPRS is the number of compressors (total) assigned to
Suction Pressure Reset Set Point
split suction
To change numeric fields, press the CLR key.
Key in the applicable number. Press ENT. Use
CONFIG-REFRIGERATION
SAT CONTROL – DISABLED
the
key, toggle between ENABLED/DISABLED
SAT SETPT
SAT DIFF
–
–
–
–
–
0
F
F
and TEMP/PRESS. Press ENT.
0
CONTROL
TEMP
Press ESC to return to enter the MixMatch Setup.
SPR CONTROL
SPR SP
DISABLED
Press ESC again to return to PROTOCOL SETUP
MENU.
0
F
*Algorithm options are Round Robin or MixMatch.
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Hand Held Device
™
PROTOCOL
CONFIG MENU (continued)
MixMatch compressor cycling is used when com-
pressors of varying horsepowers have been
installed. This algorithm allows the compressor
horse power to be more closely matched with the
evaporator load
MIXMATCH SETUP
COMPRSSORS
SETUP
1
X
0
0
0
2
0
X
0
0
3
0
0
X
0
4
0
0
0
X
1
2
3
4
–
–
–
–
01
02
03
04
–
–
–
–
There are 16 available steps for MixMatch
cycling. The additional steps are accessible by
pressing the
arrow to view additional screens.
Each step can be programmed by entering anum-
ber between 1 and 63 of the step number. The
Hand Held Device will use this number to display
the compressors selected with an ‘X’and those not
selected with a ‘0.’
The number entered and used by the Hand Held
Device is a binary number. The following example
describes the relationship of the number to com-
pressors. Causion: If you have concerns over this
programming, consult Bridgeton Refrigeration
Engineering.
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PROTOCOL
Page 17
CONFIG MENU (continued)
MIXMATCH PROGRAMMING EXAMPLE
1. Start by making a column for each compressor. A programming worksheet is available at the back
2. The first row must be all 0’s.
of this manual.
3. Each row will be a step. Each step should
increase rack capacity by the smallest increase in
capacity possible.
Any unused steps must have a zero inserted for the
4. Use an X in the column for a compressor being numbers to prevent unwanted compressors from
on, and a 0 in the column for a compressor being
off. It may help to write the capacity in horsepower
to the right of each row.
running.
5. For each row, add the value of each column
with an X in it and put it on the right of each row.
These are the numbers you enter in for each step.
6. Adjust the X’s and the 0’x for equal runtime on
each compressor.
Mixmatch Programming Worksheet
Compr #
1
4
1
2
4
2
3
5
4
4
6
8
5
6
Total
HP
Total
HP
0
Column
Column Value
16
32
Value
0
1
2
X
X
4
1
3
X
5
4
4
X
6
8
5
X
X
X
8
3
6
X
X
9
6
7
10
11
14
15
19
10
12
11
13
14
0
8
X
X
X
X
9
X
X
X
X
X
10
11
12
13
14
15
16
X
X
0
0
0
0
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Hand Held Device
™
PROTOCOL
CONFIG MENU (continued)
2- DEFR SETUP
PROTOCOL SETUP
Press 2 on the Keypad to enter the Defrost Setup
Submenu.
1-REFR SETUP
2-DEFR SETUP
3-DESCRIPTION
4-ALARM OUTPUT
This screen programs the Control Board for the
defrost parameters:
Number of defrost circuits controlled
Interlock status—
ENABLED/DISABLED
To change numeric fields, press the CLR key.
Key in the applicable number. Press ENT. Use
CONFIG - DEFROST
the
Press ENT.
key, toggle between ENABLED/DISABLED.
# OF CIRCUITS
INTERLOCK
–
7
– DISABLED
DRIP CYCLE
–
0
Press ESC to return to PROTOCOL SETUP MENU.
*
Interlock is used when there is only one defrost
circuit programmed into the control. If that one
defrost circuit is electric, all compressors will turn
on during the duration of the defrost. If the single
defrost circuit is gas, the reverse cycle algorithm
will be activated.
* This drip cycle is only used for reverse cycle gas
defrost units.
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PROTOCOL
Page 19
CONFIG MENU (continued)
PROTOCOL SETUP
3- DESCRIPTION
1-REFR SETUP
2-DEFR SETUP
3-DESCRIPTION
4-ALARM OUTPUT
Press 3 on the Keypad to enter the Description
Submenu.
This screen provides for a 16 character description
of the Protocol unit for user identification on
Hussnet™.
Press the CLR key.
Key in the description . Press Shift Upper to use
the red (upper) letters and Shift Lower to use the
blue (lower) letters.
CONFIG - DESCRIPTION
NAME -
Press ENT.
Press ESC to return to PROTOCOL SETUP MENU.
Press ESC again to return to CONFIG MENU.
4- ALARM OUTPUT
PROTOCOL SETUP
Press 4 on the Keypad to enter the Alarm Output
Submenu.
1-REFR SETUP
2-DEFR SETUP
3-DESCRIPTION
4-ALARM OUTPUT
The alarm output feature allows one of the 24
available outputs to be energized during the
occurance of any alarm (High/Low Pressure,
High/Low Temp, etc.)
The output number refers to a relay which is wired
into the main Protocol Alarm Relay (AR).
Key in the number (between 1 and 24). Make sure
that the output is available and not being used by
another function (defrost, lighting or temperature
control).
ALARM OUTPUT
OUTPUT NUMBER – X
Press ENT.
Press ESC to return to PROTOCOL SETUP MENU.
Press ESC again to return to CONFIG MENU.
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Hand Held Device
™
PROTOCOL
CONFIG MENU (continued)
CONFIG MENU
1-SET THE CLOCK
2-SENSOR SETUP
3-PROTOCOL SETUP
4-COMM SETUP
4- COMM SETUP
Press 4 on the Keypad to enter the Communication
Setup Submenu.
5-LIGHT CONTROL
6-TEMP CONTROL
This screen provides for assigning each Protocol a
station number for computer identification on
Hussnet™. It also provides baud rate assignment.
The baud rate is the rate at which a computer can
receive data from Protocol. All Protocols must
have the same baud rate in order to communicate.
A baud rate of 19200 is suggested.
COMM SETUP MENU
STATION NUMBER – 00
BAUD RATE 19200
–
Press the CLR key. Key in the number. Press
ENT.
Press ESC to return to CONFIG MENU.
Note: All baud rates will be the same for all
Protocols in a given store. However, the station
numbers must be different.
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PROTOCOL
Page 21
CONFIG MENU (continued)
CONFIG MENU
5- LIGHT CONTROL
1-SET THE CLOCK
2-SENSOR SETUP
3-PROTOCOL SETUP
4-COMM SETUP
Press 5 on the Keypad to enter the Light Control
Submenu.
1-CIRCUIT #1
5-LIGHT CONTROL
6-TEMP CONTROL
Press 1 or 2 on the Keypad to enter the Circuit #
Submenu.
This screen programs lighting controls on one cir-
cuit.
LIGHT MENU
1-CIRCUIT #1
2-CIRCUIT #2
Use the
key to toggle between ENABLED /
DISABLED to activate the lighting function. Press
ENT.
Using the ENT key, move down the selections.
Press CLR. Key in your selection and press ENT.
The cursor will move down to the next sensor.
LIGHT CIRCUIT #1
NAME identifies the lights on this circuit.
ONTIME controls when the lights turn on.
OFFTIME controls when the lights turn off.
STATUS
–
–
–
ENABLED
CASE LTS
04:00
NAME
ONTIME
OFFTIME –- 22:00
OUTPUT –- 08
OUTPUT controls the relay used by these
PowerLinks™ (lighting circuit breakers).
Press ESC to return to LIGHT MENU.
Press ESC again to return to CONFIG MENU.
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Hand Held Device
™
PROTOCOL
CONFIG MENU (continued)
CONFIG MENU
6- TEMPERATURE CONTROL
1-SET THE CLOCK
2-SENSOR SETUP
3-PROTOCOL SETUP
4-COMM SETUP
Press 6 on the Keypad to enter the Temperature
Control Submenu.
Note: Temperature Control is available on HAND
HELD DEVICE V2.40 or greater.
5-LIGHT CONTROL
6-TEMP CONTROL
Press the number of the Temp Refr Circuit you
wish to view or use the
and
to move to the
appropriate entry and press ENT.
TEMPERATURE CONTROL
1-REFR CIRCUIT #1
1-REFR CIRCUIT #1
2-REFR CIRCUIT #2
3-REFR CIRCUIT #3
4-REFR CIRCUIT #4
This screen allows configuration for temperature
control of a given circuit.
Use the
key to toggle between ENABLED /
DISABLED to activate the control function. Press
ENT.
MORE ON NEXT PAGE
SETPOINT will be the setting the control will try to
achieve for this circuit.
TEMPERATURE CONTROL
RATE is a number from 1 to 3 which allows the
algorithm to be adjusted for different evaporators.
Arate of 1 establishes a 30 second cycle rate for the
output; 2 establishes a 60 second cycle rate; and
3 establishes a 90 second cycle rate. You may need
to experiment with the rate adjustment in order to
achieve the optimum level of performance.
1-REFR CIRCUIT #5
2-REFR CIRCUIT #6
3-REFR CIRCUIT #7
4-REFR CIRCUIT #8
MORE ON NEXT PAGE
OUTPUT controls the relay used by the correspond-
ing Defrost Circuit.
REFR CIRCUIT #1
Important – Verify the output number between
this temperature circuit and the connected
defrost circuit to ensure proper energizing and
de-energizing of solenoids. Make sure that in
the case of electric defrosts, you haven’t select-
ed the output that operates defrost heaters.
TEMP CONTROL
SETPOINT
RATE
–
–
–
ENABLED
15 F
3 F
OUTPUT –- 1
Press ESC to return to TEMP CONTROL MENU.
Press ESC again to return to CONFIG MENU.
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PROTOCOL
Page 23
DEFROST MENU
PROTOCOL MAIN MENU
3-DEFROST MENU
1-STATUS MENU
2-CONFIG MENU
3-DEFROST MENU
4-MAINT MENU
Press 3 on the Keypad to enter the Defrost sub-
menu.
5-ALARM MENU
1- VIEW/SET ITEMS
Press 1 on the Keypad to enter the VIEW/SET ITEMS
Submenu.
DEFROST MENU
This screen shows three columns:
CIRCUIT lists the defrost circuit within the
Protocol. The numbers 1 through 8 are fixed.
1-VIEW/SET ITEMS
2-COPY SCHEDULE
3-ASSIGN OUTPUTS
4-ASSIGN CIRCUITS
FOR SPLIT SUCT
NAME refers to the description used to identify
the defrost circuit.
STATUS lists the status of each defrost circuit.
REFR = In refrigeration
DEFR = In defrost
DATV = DE-activated, will not defrost.
TERM = Defrost terminated by temp.
N/A = Not Available or Not Installed
DEFROST MENU
NAME
CIRCUIT
STATUS
REFR
DEFR
DATV
1
2
3
4
CIRCUIT #1 NAME
CIRCUIT #2 NAME
CIRCUIT #3 NAME
The horizontal arrows are used to activate or deac-
tivate a circuit for defrost control, to force a circuit
in or out of refrigeration or defrost go to the
MAINTENANCE MENU. Note that the DATV status
permanently disables the defrost function.
CIRCUIT #4 NAME REFR
PRESS ENT TO SET
Use the vertical arrows to move up and down the
circuit list.
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Hand Held Device
™
PROTOCOL
DEFROST MENU (continued)
DEFROST MENU
WITH THE CURSOR ON A CIRCUIT NUMBER, press the
CIRCUIT
SYSTEM
STATUS
N/A
ENT key to open that circuit submenu.
5
6
7
8
00
00
00
00
CIRCUIT #6 - REFR
N/A
N/A
Press the CLR key. Key in the applicable Lineup
name. Press ENT. Repeat for NAME, NUMBER/DAY,
DEFR LENGTH and 1ST DEFR HOUR:MINUTES.
N/A
PRESS ENT TO SET
Note: To key in name, press Shift Upper to use
the red (upper) letters and Shift Lower to use the
blue (lower) letters.
CIRCUIT #6 - REFR
Three different types of defrost may be used:
NAME
-
-
-
-
-
-
Offtime
Gas
Electric
DEFR TYPE
NUMBER/DAY
DEFR LENGTH
1ST DEFR
OFTIM
03
15
Using the
key, toggle to the desired defrost
00:00
00
type. Press ENT.
AMPERAGE
The amperage number is used for electric
defrosts to turn off compressors and reduce over-
all amp draw.
Using the
key, toggle between ENABLED /
CIRCUIT #6 - REFR
DISABLED for defrost termination. Press ENT.
DEFR TERM
-
-
-
ENABLED
Note: the termination signal is provided by the
appropriate Auxiliary input (i.e., AUX1 for CKT1,
AUX2 for CKT2, …).
2ND DEFR
3ND DEFR
08:15
16:00
END OF DEFROSTS
The remaining defrosts are listed. The control
panel spaces the number of defrosts evenly
across a 24 hour day. To customize the defrost
schedule, press the CLR key. Key in the applic-
able hour for defrost start. (Defrost times can be
entered on the quarter hour – :00, :15, :30 or
:45.) Press ENT. Press the CLR key. Key in
the applicable minute for defrost start. Press
ENT.
Press ESC to return to previous screen and to
return to VIEW / SET ITEMS MENU.
Press ESC again to return to DEFROST MENU.
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PROTOCOL
Page 25
DEFROST MENU (continued)
DEFROST MENU
1-VIEW/SET ITEMS
2-COPY SCHEDULE
3-ASSIGN OUTPUTS
4-ASSIGN CIRCUITS
FOR SPLIT SUCT
2- COPY SCHEDULE
Press 2 on the Keypad to enter the Copy Schedule
Submenu.
Press the CLR key. Key in the applicable Circuit
# for Copy From. Press ENT.
COPY DEFROST SCHEDULE
Press the CLR key. Key in the applicable Circuit
# for Copy to. Press ENT.
COPY FROM CIRCUIT
COPY TO CIRCUIT
-
-
00
Press ESC to return to DEFROST MENU.
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Hand Held Device
™
PROTOCOL
DEFROST MENU (continued)
DEFROST MENU
3- ASSIGN OUTPUTS
1-VIEW/SET ITEMS
2-COPY SCHEDULE
3-ASSIGN OUTPUTS
4-ASSIGN CIRCUITS
FOR SPLIT SUCT
Press 3 on the Keypad to enter the Assign Outputs
Submenu.
Press ENT to move the cursor to the value to be
changed. Press the CLR key.
DEFROST BOARD #1
Key in the applicable Circuit #. Press ENT.
OUTPUT
CIRCUIT
Electric defrost circuits will typically require two
outputs (one for solenoid and one for heater con-
trol); while offtime and gas defrost circuits require
only one.
1
2
3
4
00
00
00
00
Press ESC to return to DEFROST MENU.
DEFROST BOARD #2
OUTPUT
CIRCUIT
5
6
7
8
00
00
00
00
DEFROST BOARD #4
DEFROST BOARD #3
EXPANSION BOARD
EXPANSION BOARD
OUTPUT
CIRCUIT
OUTPUT
CIRCUIT
OUTPUT
CIRCUIT
OUTPUT
CIRCUIT
21
22
23
24
00
00
00
00
17
18
19
20
00
00
00
00
13
14
15
16
00
00
00
00
9
00
00
00
00
10
11
12
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Hand Held Device
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PROTOCOL
Page 27
DEFROST MENU (continued)
DEFROST MENU
4- ASSIGN CIRCUITS
FOR SPLIT SUCTION
1-VIEW/SET ITEMS
2-COPY SCHEDULE
3-ASSIGN OUTPUTS
4-ASSIGN CIRCUITS
FOR SPLIT SUCT
NOTE: This item only appears when the unit is
configured for the split suction option.
Press 4 on the Keypad to enter the Assign Circuits
For Split Suction Submenu.
SUCTION ASSIGNMENT
Press ENT to move the cursor to the value to be
changed. Press the CLR key.
CIRCUIT
SUCTION
1
2
3
4
00
00
00
00
Press the left and right arrow keys to toggle
between suctions #1 and #2.
Press ESC to return to DEFROST MENU.
Press ESC again to return to PROTOCOL MAIN
MENU.
SUCTION ASSIGNMENT
CIRCUIT
SUCTION
5
6
7
8
00
00
00
00
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Hand Held Device
™
PROTOCOL
MAINT MENU
PROTOCOL MAIN MENU
1-STATUS MENU
2-CONFIG MENU
3-DEFROST MENU
4-MAINT MENU
4- MAINT MENU
Press 4 on the Keypad to enter the Maintenance
Menu Submenu. This screen has one function,
four menus, and a second page.
5-ALARM MENU
The functions is: 2-CLEAR FORCE FLAG
MAINT MENU
1-FORCE A COMP ON
2-CLEAR FORCE FLAG
3-FORCE A COMP OFF
4-FORCE A DEFR ON
5-FORCE A DEFR OFF
PRESS ENT FOR MORE
Simply press 2 to activate clear function.
Press Numbers 1, 3, 4, 5 on the Keypad to enter
the Submenu. Key in compressor or defrost
circuit #. Press ENT.
The time limit on COMPRESSORS forced on/off is
20 minutes. After time limit expires, compressors
return to normal operation.
FORCE A COMP ON
The time limit for DEFROST CIRCUITS forced on is
a function of the defrost length programmed for
that circuit. For circuits forced out of defrost, oper-
ation is suspended for the current defrost only.
Normal operation resumes at the next scheduled
defrost.
ENTER NUMBER
-
0
0
0
0
1
3
FORCE A COMP OFF
ENTER NUMBER
-
Press ESC to return to MAIN MENU.
FORCE A DEFR ON
ENTER NUMBER
-
4
5
FORCE A DEFR OFF
ENTER NUMBER
-
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PROTOCOL
Page 29
4- MAINT MENU
MAINT MENU
6-CLEAR RUN METER
7-FORCE LIGHT ON
8-FORCE LIGHT OFF
9-CLEAR ALM TABLE
0-RESET CONTROL
Press 4 on the Keypad to enter the Maintenance
Menu Submenu.
Press ENT to move to the second page.
This screen has two functions and three menus.
The two functions are:
6-CLEAR RUN METER
9-CLEAR ALARM TABLE
FORCE A LIGHT ON
ENTER NUMBER
-
0
0
0
7
8
Simply press 6 or 9 to activate clear function.
Press Numbers 7, 8, 0 on the Keypad to enter the
Submenu. Key in compressor or defrost circuit #.
Press ENT.
FORCE A LIGHT OFF
ENTER NUMBER
-
Press ESC to return to MAIN MENU.
RESET CONTROL
Options 9 and 0 are available with Software Version 2.30 or greater. Protocol™ Control
must be V1.30 or greater
ENTER NUMBER
-
0
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Page 30
Hand Held Device
™
PROTOCOL
ALARM MENU
PROTOCOL MAIN MENU
5-ALARM MENU
1-STATUS MENU
2-CONFIG MENU
3-DEFROST MENU
4-MAINT MENU
5-ALARM MENU
Press 5 on the Keypad to enter the Alarm
Submenu.
This screen lists the last 16 alarms giving the type,
time (24 hour clock) and date of each. Alarms
may be continued on the next screen. To read con-
tinued alarms, Press ENT.
The screen will read END OF ALARMS after last
alarm reading.
ALARM MENU
Press ESC to return to MAIN MENU. When exiting
the menu, you will be prompted whether to clear
the alarms. Press the CLR Key to remove the cur-
rent alarm.
A01 - LO SUCTION PRES
TIME 01:56 01/21
END OF ALARMS
Types of Alarms
•POWER DOWN
•POWER RESET
•HI TEMPALARM – AUXILIARY INPUT
•MODULES IN BACKUP MODE
•HIGH SUCTION PRESSURE*
•LOW SUCTION PRESSURE*
•HIGH HEAD PRESSURE
•LOW HEAD PRESSURE
•ALL COMPRESSORS OFF ALARM*
•LO TEMPALARM – AUXILIARY INPUT
•HI ALARM T1
•LO ALARM T1
•HI ALARM T2
•LO ALARM T2
•HI ALARM T3
•LO ALARM T3
•MEMORY CHECK ERROR
•DEFROST MEMORY CHECK ERROR
•HI ALARM T4
•LO ALARM T4
•HI ALARM T5
•LO ALARM T5
•HI ALARM T6
•LO ALARM T6
•HI ALARM T7
•LO ALARM T7
•HI ALARM T8
•LO ALARM T8
*Denotes switchback. Control operated by mechan-
ical low pressure switch. No defrosts occur during
switchback.
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
970307
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P/N 374511B
Hand Held Device
™
PROTOCOL
Page 31
Mixmatch Programming Worksheet
Compr #
1
2
3
4
5
6
Total
Column
Value
HP
Total
HP
Column Value
1
2
4
8
16
32
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Mixmatch Programming Worksheet
Compr #
1
2
3
4
5
6
Total
Column
Value
HP
Total
HP
Column Value
1
2
4
8
16
32
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
970307
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 (Printed in U.S.A.)
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®
CORPORATION
CONDENSING UNITS AND REFRIGERATION SYSTEMS
This warranty is made to the original purchaser user and is NOT TRANSFERABLE.
ONE YEAR LIMITED WARRANTY
1. Hussmann Corporation warrants the new Hussmann Equipment, and all parts thereof, to be free of defects in mate-
rial and workmanship at time of purchase.
2. Hussmann's obligation under this warranty shall be limited to repairing or exchanging free of charge any part or
parts of the system or unit, supplied by Hussmann Corporation, Bridgeton, Missouri, F.O.B. factory or the nearest
authorized parts depot, which may prove to be defective within one year from date of original installation (not to
exceed fifteen months from date of shipment from factory) and which is proven to the satisfaction of Hussmann to
be thus defective.
3. THIS WARRANTY TO REPAIR OR REPLACE ABOVE RECITED, IS THE ONLY WARRANTY EXPRESSED, IMPLIED,
OR STATUTORY MADE BY HUSSMANN WITH RESPECT TO THE EQUIPMENT ABOVE LISTED, AND IT NEITHER
ASSUMES NOR AUTHORIZES ANY PERSON TO ASSUME FOR IT, ANY OTHER OBLIGATION OR LIABILITY IN
CONNECTION WITH THE SALE OF SAID EQUIPMENT OR ANY PART THEREOF.
EXCLUSIONS
1. THIS WARRANTY SHALL NOT APPLY TO LOSS OF FOOD DUE TO FAILURE FOR ANY REASON.
2. HUSSMANN SHALL NOT BE LIABLE:
a. For any repairs or replacements made by buyer without written consent of Hussmann, or when equipment is
installed or operated in a manner contrary to printed instructions covering installation and service which accom-
panied or was supplied for such equipment.
b. For any damages, delays, losses, direct or consequential, caused by defects, nor for damages caused by short
or reduced supply of material, fire, flood, strikes, acts of God or circumstances beyond its control.
c. When the failure or defect of any part or parts is incident to ordinary wear, accident, abuse or misuse, or when
the serial number of the equipment has been removed, defaced, altered or tampered with.
d. When equipment is operated on low or improper voltages, or put to use other than normally recommended by
Hussmann.
e. For payment of any removal or installation charges of warranted parts.
f. For payment of refrigerant losses for any reasons.
g. When equipment is moved to an address other than the original installation.
ADDITIONAL FOUR YEAR PROTECTION PLAN FOR MOTOR/COMPRESSOR ASSEMBLY ONLY
(OPTIONAL – MUST BE PURCHASED PRIOR TO SHIPMENT
OF CONDENSING UNIT OR REFRIGERATION SYSTEM)
In addition to the above One Year Warranty on said Condensing Unit or Refrigeration System, Hussmann Corporation,
agrees to repair or replace the motor compressor only, with a motor compressor of like or authorized similar capacity
(F.O.B. Factory or nearest Vendor author ized parts depot), at any time during this four year period immedi-
ately f ollowing the e xpiration of the above one year w arranty, if proven to the satisfaction of Hussmann,
that the compressor is inoper ative due to defects in factory workmanship or material under normal use and
service. Hussmann reserves the right to inspect the job site, installation and reason for f ailure.
The Four Year Protection Plan does not include controls, relay, capacitor, ov erload protector, v alve plates, oil
pumps, gaskets or any e xternal part on the motor compressor replaceable in the field, or any other part of the
refrigeration system.
GENERAL CONDITIONS
No service or labor charges incidental to the replacement of parts during the First Year Warranty and the succeeding
four years under the protection plan will be allowed under the terms thereof.
All claims must be presented and completed within six months from date of failure. Claims must be accompanied by
the vendor invoice and credit showing model and serial number of compressor that failed and the new replacement
compressor. Records should be maintained with copies of above documents to show any inwarranty replacements with-
in the One Year Warranty and should be submitted along with claim to show original compressor model and serial num-
ber.
HUSSMANN CORPORATION
Bridgeton, Missouri 63044 – U.S.A.
8/92
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