Marlin Technologies Cabin Control Display User manual

A013035UA, 502209 USER GUIDE
MARLIN TECHNOLOGIES INC PAGE 1 OF 17
CREATED B. BERTOLASI DATE 02/25/2020
CHECKED S. JOHNSON DATE 03/27/2020
APPRO ED S. JOHNSON DATE 03/27/2020
ECN 13026E DATE 01/24/2019
1. Introduction
The Cabin Control Display (CCD) is the user interface/controller for the Dynasys Auxiliary Power and Climate Control Unit
(APCCU). The Auxiliary Power Unit (APU) is a self contained, stand alone power generator for use with class 8 trucks
which provides both 120VAC power for the CCU as well as 12VDC recharging for the Truck’s batteries while in operation.
The Climate Control Unit (CCU) [or HVAC system] provides climate control for the truck bunk. Additional items or
features include optional single duplex 120VAC convenience outlet, optional Power Distribution Center (PDC) with
dedicated circuit breakers. The Dynasys system uses the truck’s diesel fuel supply and 12VDC battery source. This
system does not require the usage of the trucks cooling and A/C system. The Dynasys APCCU provides significant fuel
savings, reduction of truck engine wear, reliability, increased driver comforts, and legislative compliance.
The Cabin Control Display mounts inside the truck cabin and provides the user with convenient interface controls for
cabin temperature, monitor APU engine activities and outputs, Service History, Active/Historical Alarm Faults, and
Automatic Starting Controls. On the back of the CCD, the 6 pin connector houses the cabin temperature sensor and the
12 pin connector is for Power and a CAN Bus connection to the APCCU control module. This CAN Bus connection is the
communication link between the Display and Controller but also allows for the system to be updated with any future
software updates and monitor the APCCU’s full performance status for diagnostic purposes.
2. Display Unit
The Cabin Control Display is the interface for the operator to
control the Dynasys APCCU. There are 8 buttons on the
display. All of them are soft buttons meaning that their
functionality will vary based on which screen you are on or
what conditions exist so a quick visual guide at the bottom of
the screen indicates what the button will do for each screen.
The 4 navigation buttons in the middle are generally used to
move up/down/left/right on the screen most of the time. If
their functionality is not for navigating the screens, then that
alternate functionality will be displayed for the operator.
The following sections describe how the Cabin Control Display controls for the Inactive Screen, Main Screen, Menu
Screen, Engine Status Screen, Service Screen, Active Alarms Screen, Alarm History Screen, Password & Secure Settings
Screen, and About Screen.

A013035UA, 502209 USER GUIDE PAGE 2 OF 17
MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
3. Display – Inactive Screen
The Inactive Screen is displayed when the Power
button is pressed on the Main screen or from power
up of the system. All functions are disabled in
Inactive Mode (except for Low Battery AutoStart).
The Inactive screen can show the Battery Voltage,
Shore Power, Truck Ignition, and Auto Start options
are displayed on the left side of the screen. The Cabin
Temperature is display in the middle of the screen.
And Date/Time, hours until the next Scheduled
Service, and Active Alarm Faults are displayed on the
right side of the screen.
Push the Power button on the far left to Activate the system and go to the Main Screen. If any Alarms/Faults are active,
the Alarm Button will be displayed in the lower right corner which the operator can press to go directly to the Active
Alarms Screen. If no button is pressed after the pre defined time(s) configured in the Display Settings Menu, the screen
will step into a Screen Saver / Standby Mode. Press the down button to wake up the system and return to the inactive
screen.
All AutoStart functions are disabled in Inactive mode with the exception of the Low Battery Auto Start feature which is
allowed to start the APU so that it can charge the batteries back up.
4. Display – Main (Active) Screen
The Main (Active) Screen is displayed when the System is turned on and active. All major functionality of the APCCU and
status information is displayed conveniently on the main screen for the operator.
Like the Inactive Screen, if no button is pressed after the pre defined time(s) configured in the Display Settings Menu,
the screen can step into a Screen Saver / Standby Mode. Press the down button to wake up the system and return to the
inactive screen.

A013035UA, 502209 USER GUIDE PAGE 3 OF 17
MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
Main (Active) Screen – General Status Indicators
Service Indicator – The indicator is normally in GRAY and shows how many hours until the next service is
due. When a service is due, this will high light in YELLOW and show how long it has been overdue. You
can easily go to the Service Menu screen by pressing the MENU button and go to the Service Menu
(brought to the top when a Service is due as long as an Alarm is not active) to see what Service
Maintenance Item(s) are due.
Alar Indicator – This icon will appear when any Alarms are Active and need immediate attention. Press
the Menu button and go to the Alarm Menu (brought to the top when an Alarm is active) to see what
Alarm/Fault is active.
Battery Indicator – This icon in the top left corner shows the current battery voltage of the CCU.
Truck Ignition Indicator – This indicator will show up under the Battery Icon when the Truck Ignition is on.
Shore Power Indicator – This indicator will show up under the Battery Icon when the CCU has been
plugged into a 120VAC receptacle through the optional Shore Power unit.
Auto-Start Indicators – The list of any Auto Start option(s) that are currently enabled will show up on the
left side of the screen. The Auto Start’s text will change to RED when that specific Auto Start is Active and
requiring the APU to run.
Cabin HVAC Controls Indicator – The actual Cabin Temperature is displayed in the center of
the screen for both the Active and Inactive Mode screens. Just to the right of the displayed
value (Active Mode) is the setpoint temperature for the system as well as the heat(flame),
cool(snowflake), or dual (both) symbols. Just above the Setpoint Temp, you will see the screen
display either “Manual” for Manual HVAC Modes, or “Auto” for Auto Start HVAC Modes. The
Heat symbol turns red when the heater(s) are On and gray when the heater(s) are Off. Likewise the Cool symbol will
turn blue when the A/C is On and gray when A/C is Off.
Fan Control Indicator – The 10 segment bar graph below the Cabin Temperature is the Fan
Speed from minimum speed(left) to maximum speed(right). The larger white bars indicate the
Users current Fan Speed Command for the system. The CCU will use this as the desired fan
control speed unless forced or limited to different speed based on the Active Heating or Cooling HVAC mode. A smaller
portion of the bars will fill in a different color to indicate the current fan speed setting driving the fan. That portion of
the bars will be Green if actual fan speed is below the User Speed, Gray if equal to the User Speed, or Red if above the
User Speed.
Button Operation
Power Button – Toggles the system between the ACTIVE and INACTIVE mode. NOTE: Please put the system
into the INACTIVE mode first to force a complete save of all settings to memory before disconnecting power
to the APCCU unit for service or storage.
Engine Button – Toggles control of the engine between Auto Start and Manual control. If the Engine is
already running because an Auto Start feature is active, then this button will be to “Go To Manual” and “Exit
Manual” control. If the engine is Off, then this button will be to “Start Engine” or “Stop Engine” and the
Status of the Engine can been seen in the Button box on the screen. E-STOP Function: Press and hold the Engine Button
for 2 seconds for E STOP, press and hold again for 2 seconds to release the E STOP.

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MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
Navigation Buttons – Press Left(Decrease) or Right(Increase) to change the Users Fan Speed setting.
Press Up(Increase) or Down(Decrease) to change the Setpoint Temperature (displayed in the center of
the screen) for the active HVAC mode, when done there is a 5 second delay for the setting to be locked
in.
HVAC Button – If the Engine was manually started, this will toggle between the
Manual_OFF/HEAT/COOL/DUAL HVAC modes. Otherwise this will toggle between the
AutoStart_OFF/HEAT/COOL/DUAL HVAC modes.
Menu Button – This will go to the Main Menu Screen.
5. Screen Saver
ACTIVE SCREEN: From the last button press, the Screen will stay at the Active
Brightness for the length of the Active Duration time and go to Inactive.
INACTIVE SCREEN: The screen will go to the Inactive Brightness for the length
of the Inactive Duration time and then go to Screen Off. Any button press
during this time will bring it back to an Active Screen.
SCREEN-OFF: The screen will go blank and the LED’s on either side of the
buttons will flash GREEN every 5 seconds for the length of 5 minutes and then
go to Stand by. Any button press during this time will bring it back to an
Active Screen.
STAND-BY: The entire display will shut down into Stand By to conserve energy and will wake up every 5 seconds just to
check status’s and flash the LED’s RED/GREEN. Once in this mode you must press Down Button to wake up the display
and bring it back to the Active Screen.
The Brightness and Duration of the Active and Inactive Screens can be configured in the Display Settings Menu.
6. Main Menu Screen
The Main Menu Screen will display when you press
the far right button to access the Menu. If everything
is running fine the menu to the left is displayed.
QUICK ACCESS TO SERVICES AND ALARMS
If any Services are due but no alarms are active the
Service menu is brought to the top of the list as the
first item selected. If any Alarms are active, then the
Active Alarms Menu is brought to the top of the list.
This provides the operator with a single button
double press option to immediately view any alarms
or services that need the operator’s attention.

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MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
7. Engine Status Screen
The Engine Status Screen gives the operator real time feedback of the APU Engine sensors, the Generator output Status,
and the outputs controlling the APU. This is just a status screen so no actions can be taken.
Screen 1
Engine Hours – Total Hours the APU Engine has run
Cover Sw: Switch opens if cover is not properly installed
Coolant Level Sw: Switch opens if coolant is too low
Low Oil Pressure Sw: Switch closes if Low Oil Pressure
Coolant Te p: Verifies Reading is Inside or Outside Valid Range
Screen 2
Engine Te p: Engine Coolant Temperature (either in °F or °C)
Generator Frequency: Frequency of 120VAC power
Generator Engine RPM: RPM Calculated from Generator
Frequency
Engine Speed Sensor: RPM measured by Engine Speed Sensor
Co pressor: Output status for the DC Compressor
Screen 3
Starter Relay (K1): Output Status
Alternator: Output Status
Fan Relays (K4 & K5): Output Status
Glow Plug Relay (K3): Output Status
Fuel Pull Relay (K2): Output Status
Fuel Hold Relay: Output Status
Fuel Pu p: Output Status
8. Settings Screen
Auto Start – Configure the Time, Coolant Temp, and
Low Battery Auto Start features
Clock – Set Year/Month/Hour/Min and Time Format
Display – Active/Inactive Brightness and durations
Te p Units – Choose to display temps in °F or °C
Language – Choose language (Only English so far)
Secured Settings – Service Technician accessible
configurations and settings.

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MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
To gain access to the settings in the Secured Settings, the
Service Technician needs to enter a valid 4 digit PIN# into the
display. Use the Navigation buttons to select each value and
press the enter button(far right). Once the 4
th
digit is entered
the PIN# will be verified against the programmed PIN# in
memory.
The system comes with a factory default PIN# in memory but
once in the Secured Settings Menu the operator can change
this to a new PIN# if desired.
Continuing to the Secured Settings screen will show all of the configurable values available in the APCCU controller
regarding operation of the Auxiliary Power Unit and Climate Control Unit.
These values are critical to the proper operation of the unit and anyone that
makes changes to these values must know what they are doing and how it will
affect the operation of the system. (A full list of all Variables and Settings
Minimum Value, Maximum Value, and Default Value is available at the end of
the document)
9. Service Screen
The service screen shows each service item and the
remaining amount of Engine Hours left until the next
service is due for each. The hours will count down
when the APU is running.
RESETTING SERVICE HOURS
Use the Up/Down buttons to Highlight/Select the
desired service item that you want to reset and then
press the Check Mark button. This will reset the
Service Item to the next service level per the chart
below:

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MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
10. Active Alar s Screen
The Active Alarms screen will show the operator the real time status of all available Alarm Faults on the Dynasys APCCU
controller. This is just a status screen so no actions can be taken.
Screen 1
Co Error – Communication between the Display and Controller has been interrupted/lost.
Safety Cover Open – The cover on the APU unit is not in place or latched down properly.
Oil Pressure Low – The APU’s Engine Oil Pressure is Low when Running. (Engine will Shutdown)
Coolant Level Low – The coolant level in the APU is low.
Engine Start Failure – The Engine failed to start properly and is shut down. (Check other active Faults for the reason)
Engine Run Failure – The Engine encountered a problem while running and is shut down (Check other Faults for reason)
Engine Overheated; restart at 158°F – The Engine has reached the upper temp limit. If the temp rises a small margin
past this it will shut down and not be allowed to start again until the temperature drops under 158°F.
Screen 2
Battery Charging Failure – While running, the battery voltage failed to charge up to an acceptable level.
Battery Discharged – The battery voltage has fallen below an acceptable level. (The APCCU functionality is disabled)
HVAC Pressure Circuit Fault – APCCU is trying to run the Compressor but the HVAC Pressure Circuit has turned it off.
Engine Speed Error – The 120VAC feed from the APU is missing or outside of the allowed frequency range.
Engine Te p Sensor Failed – The signal from the Engine Temp Sensor is outside of the valid range. (Open / Shorted)
Engine Stop Failure – The Engine failed to stop properly (Check other faults for reason)
Interlocks Prevented Engine Start – The Engine was not allowed to start because one or more interlocks were not met.
Screen 3
Water Valve Fault – Feedback signal from WaterValve is missing or valve did not achieve target position.
Service Re inders Total Operating Hours
50 500 1000 2000 3000 4000 5000 6000
Page 1 Change Engine Oil & Filter x x x x x x x
Check Belts, Hoses, & Water Separator x x x x x x x x
Check for Leaks & Loose Parts x x x x x x x x
Check for Unusual Noise & Vibration x x x x x x x x
Check Cover Switch, Terminals, & All Wiring x x x x x x x
Change Air Cleaner Filter x x x x x x
Clean Condenser and Air Inlets x x x x x x
Page 2 Change Fuel Filter x x x
Change Engine Coolant x x x
Check Engine Speed x x x

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MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
11. Alar History Screen
The Alarm History Screen shows a history of faults that
have occurred along with a timestamp of when the
fault occurred up to a total of 20 faults. General
Engine Failures may also be accompanied by additional
faults at the same time indicating the reason for the
general fault.
ERASING ALARM HISTORY
Press the erase button on the far right to erase the
entire Alarm History log. A confirmation request will
pop up to ensure this is the action you want to take.
12. About Screen
The about screen displays total number of hours the
Engine has run on the unit as well as the Part Number
and Revision of software installed in the Display and
the APCCU controller. This is just a status screen so no
actions can be taken.
13. Menu Screens Hierarchy

A013035UA, 502209 USER GUIDE PAGE 9 OF 17
MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
14. All saved values
The following is a list of all values stored by the APCCU. They are saved when the system is put Inactive.
PR#
Main
Menu
Sub-
Menu 1
Sub-
Menu 2
VA
R# Para eter Na e Min Default Max Units Notes
1 Settings About (or) Engine Status Engine Hours 0 0 214748364.8 Hours
2 Settings Clock Year 2000 2019 2999 Year
3 Settings Clock Month 1 1 12 Month (1 12 = JAN DEC)
4 Settings Clock Date 1 1 31 Date
5 Settings Clock Day 1 3 7 Day (1 7 = SUN SAT)
6 Settings Clock Hour 0 0 23 Hour
7 Settings Clock Minute 0 0 59 Min
8 Settings Clock 12/24h 0 (=12h) 0 (=12h) 1 (=24h) Flag (0=12h, 1=24h)
9 Unit_Model Number all "0" [Alpha Numeric]
10 Unit_Serial Number all "0" [Alpha Numeric]
11 APCCU_Model_Number all "0" [Alpha Numeric]
12 APCCU_Serial Number all "0" [Alpha Numeric]
13 Display_Model_Number all "0" [Alpha Numeric]
14 Display_Serial Number all "0" [Alpha Numeric]
15 Settings Auto Start Time AS TimerStart Enable/Mode 0 (=Off) 0 (=Off) 3 Flag (0=Off, 1=Once, 2=Daily, 3=Weekly)
16 Settings Auto Start Time AS Timer Start Day 1 2 7 Day (1 7 = SUN SAT)
17 Settings Auto Start Time AS Timer Start Hour 0 8 23 Hour
18 Settings Auto Start Time AS Timer Start Min 0 0 59 Min
19 Settings Auto Start Time AS Timer RunTime Duration 0.1 2.0 24.0 hours
20 Settings Auto Start Coolant Temp AS Coolant Temp Enable 0 0 1 Flag (0=Off, 1=On)
21 Settings Auto Start Coolant Temp AS Coolant Cold Threshold 40 20 35 degF
22 Settings Secured(PIN#) View/Chng:Pg1: v1 AS Coolant RunTime Duration 0.1 2.0 24.0 hours
23 Home HVAC Button ( If Engine Off) AS CabTemp Enable/Mode 0 (=Off) 0 (=Off) 3 Flag (0=Off, 1=Heat, 2=Cool, 3=Both)
24 Settings Secured(PIN#) View/Chng:Pg1: v2 AS CabTemp Temp Threshold 0.0 2.0 10.0 degF
25 Home Up/Down (If HVAC = Heat) AS CabTemp Heat Setpoint 32 70 90 degF
26 Home Up/Down (If HVAC = Cool) AS CabTemp Cool Setpoint 59 75 95 degF
27 Home Up/Down (If HVAC = Dual) AS CabTemp Dual Setpoint 59 72 90 degF
28 Settings Secured(PIN#) View/Chng:Pg1: v3 AS CabTemp Setpoint Delay 0 15 600 Sec
29 Settings Secured(PIN#) View/Chng:Pg1: v4 AS CabTemp Heat BlowerOff Delay 0 15 600 Sec
30 Settings Auto Start Low Battery AS Low Batt Enable 0 (=Off) 0 (=Off) 1 (=On) Flag (0=Off, 1=On)
31 Settings Auto Start Low Battery AS Low 12V Battery Threshold 11.5 12.3 13.0 VDC
32 Settings Auto Start Low Battery AS Low 24V Battery Threshold 23.0 24.6 26.0 VDC
33 Settings Secured(PIN#) View/Chng:Pg1: v5 AS Low Battery Start Delay 0 120 600 Sec
34 Settings Secured(PIN#) View/Chng:Pg1: v6 AS Charging Min Increase Thres 0.0 0.5 6.0 VDC
35 Settings Secured(PIN#) View/Chng:Pg1: v7 AS Charging Timeout 0 120 600 Sec
36 Settings Secured(PIN#) View/Chng:Pg1: v8 AS Max Charge Attempts 0 3 10 # Trys
37 Settings Secured(PIN#) View/Chng:Pg1: v9 AS_Batt RunTime Duration 0.1 2.0 24.0 hours
38 Settings Secured(PIN#) View/Chng:Pg1: v10 Max Run Time Auto Start 0.1 4.0 24.0 hours
39 Home HVAC Button ( If Manual Start) Man CabTemp Enable/Mode 0 (=Off) 0 (=Off) 3 Flag (0=Off, 1=Heat, 2=Cool, 3=Both)
40 Home Up/Down (If HVAC = Heat) Man Heat Only Setpoint 59 70 90 degF
41 Home Up/Down (If HVAC = Cool) Man Cool Only Setpoint 32 75 95 degF
42 Home Up/Down (If HVAC = Dual) Man Heat/Cool Setpoint 59 72 90 degF
43 Home Left/Right Man Fan Speed Setting 0 50 100 %(Display offers steps of 10%)
44 Settings Secured(PIN#) View/Chng:Pg1: v11 Max Run Time Manual Start 0.0 0.0 24.0 hours (0=Disabled, Else x=RunTime)
45 Settings Secured(PIN#) View/Chng:Pg2: v1 CabinTemp DisableZone HiTemp 32 70 95 degF Same=Disabled
46 Settings Secured(PIN#) View/Chng:Pg2: v2 CabinTemp DisableZone LoTemp 32 70 95 degF Same=Disabled
47 Settings Secured(PIN#) View/Chng:Pg2: v3 ShorePowerAPU restart Enable 0 (=Off) 0 (=Off) 1 (=On) Flag (0=Off, 1=On)
48 Settings Secured(PIN#) View/Chng:Pg2: v4 Temp Threshold On Delay 0 0 600 Sec
49 Settings Secured(PIN#) View/Chng:Pg2: v5 Temp Threshold Off Delay 0 30 600 Sec
50 Settings Secured(PIN#) View/Chng:Pg2: v6 Blower Max Heating Speed Limit 0 70 100 %
51 Settings Secured(PIN#) View/Chng:Pg2: v7 Heat On Threshold 0 2.0 10 degF
52 Settings Secured(PIN#) View/Chng:Pg2: v8 Heat Off Threshold 0 0.5 10 degF
53 Settings Secured(PIN#) View/Chng:Pg2: v9 Heat Off , Fan Cont Duration 0 30 600 Sec
54 Settings Secured(PIN#) View/Chng:Pg2: v10 Blower Max Heating Speed Stpt 0 70 100 %
55 Settings Secured(PIN#) View/Chng:Pg2: v11 Blower Min Heating Speed Stpt 0 20 100 %
56 Settings Secured(PIN#) View/Chng:Pg3: v1 Cool On Threshold 0 2.0 10 degF
57 Settings Secured(PIN#) View/Chng:Pg3: v2 Cool Off Threshold 0 1.0 10 degF
58 Settings Secured(PIN#) View/Chng:Pg3: v3 Blower Max Cooling Speed Stpt 0 100 100 %
59 Settings Secured(PIN#) View/Chng:Pg3: v4 Blower Min Cooling Speed Stpt 0 30 100 %
60 Settings Display Active Backlight Brightness 25 100 100 %
61 Settings Display Active BackLight Duration 0 120 600 Sec 0=Always On, 1&up=Seconds)
62 Settings Display Inactive Backlight Brightness 0 50 100 %
63 Settings Display Inactive BackLight Duration 0 120 600 Sec 0=Always On, 1&up=Seconds)
64 Settings Language Language 0 (=Eng) 0 (=Eng) 2 Flag (0=English, 1=Spanish, 2=French, 3=…)
65 Settings Temp Units TemperatureUnit 0 (=°F) 0 (=°F) 1 (=°C) Flag (0=°F, 1=°C)
66 Settings Secured(PIN#) View/Chng:Pg3: v5 AS_Batt Battery Type 0 (=12V) 0 (=12V) 1 (=24V) Flag (0=12V, 1=24V, 2=Auto?)

A013035UA, 502209 USER GUIDE PAGE 10 OF 17
MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
15. Operation of the Cli ate Control
The APCCU Climate Control Functions are not allowed to operate when the System is Inactive (with the exception of
Low Battery Auto Start if enabled). Push the power button on the far left to Activate the system.
Manual HVAC Control – When the system is active you can press the “Start Engine” button to start the APU and then
press the “HVAC Mode” button to select between the Heat Mode, Cool Mode, Dual Mode, or Off(Fan Only). Pressing
the Up/Down buttons will change the Setpoint Temperature for the current mode (If not Off). Press the Left/Right
buttons to change the User Fan Speed setting. The system will then use the selected HVAC Mode, Setpoint
Temperature, and User Fan Speed along with the Secured Settings (shown in Red Text) to turn On/Off the Heating
and/or Cooling, and drive the Fan to the highest of either the User Fan Speed (when not limited during Heating) or the
Setpoint Fan Speed based on the difference between the Actual Cabin Temperature and Setpoint Temperature per the
following diagram. (This excludes the effects of any associated time delays for this functionality)
CLIMATE CONTROL FUNCTIONAL DIAGRAM - Heat, Cool, and Blower Fan states per default values
PR#
Main
Menu
Sub-
Menu 1
Sub-
Menu 2
VA
R# Para eter Na e Min Default Max Units Notes
67 Settings Secured(PIN#) View/Chng:Pg3: v6 EngSpd Started RPM 200 800 8000 RPM
68 Settings Secured(PIN#) View/Chng:Pg3: v7 EngSpd Min Running RPM 200 2000 8000 RPM
69 Settings Secured(PIN#) View/Chng:Pg3: v8 EngSpd Min Running RPM 200 2725 8000 RPM
81 Settings Secured(PIN#) View/Chng:Pg3: v9 EngSpd Number of Teeth per Rev 1 86 255 Teeth/Rev
70 Settings Secured(PIN#) View/Chng:Pg3: v10 EngSpd Gen Freq to RPM scaling 1.0 4.0 40.0 RPM/Hz
71 Settings Secured(PIN#) View/Chng:Pg3: v11 GlowPlug Duration 14F 0 30 60 Sec
72 Settings Secured(PIN#) View/Chng:Pg4: v1 GlowPlug Duration 14to32F 0 30 60 Sec
73 Settings Secured(PIN#) View/Chng:Pg4: v2 GlowPlug Duration 32to50F 0 30 60 Sec
74 Settings Secured(PIN#) View/Chng:Pg4: v3 GlowPlug Duration 50to86F 0 3 60 Sec
75 Settings Secured(PIN#) View/Chng:Pg4: v4 GlowPlug Duration 86F 0 0 60 Sec
76 Settings Secured(PIN#) View/Chng:Pg4: v5 EngRunSol Pull Coil Duration 0 1 10 Sec
77 Settings Secured(PIN#) View/Chng:Pg4: v6 Starter Relay Timeout 0 2 10 Sec
78 Settings Secured(PIN#) View/Chng:Pg4: v7 Max StarterRelay Typ Duration 0 15 30 Sec
79 Settings Secured(PIN#) View/Chng:Pg4: v8 Max StarterRelay Cold Duration 0 30 30 Sec
80 Settings Secured(PIN#) View/Chng:Pg4: v9 StarterRelay DurColdTempStpt 40 32 100 degF
82 Settings Secured(PIN#) View/Chng:Pg4: v10 ECM Restart Delay 0 10 300 Sec
83 Settings Secured(PIN#) View/Chng:Pg4: v11 Consec Start Attempts 0 3 10 # Trys 0=No Limit
84 Settings Secured(PIN#) View/Chng:Pg5: v1 Oil Pres Alarm Delay (Starting) 0 10 10 Sec
85 Settings Secured(PIN#) View/Chng:Pg5: v2 Oil Pres Alarm Delay (Running) 0 2 10 Sec
86 Settings Secured(PIN#) View/Chng:Pg5: v3 Engine Max CoolantTemp 40 104 210 degC
87 Settings Secured(PIN#) View/Chng:Pg5: v4 Engine Cooling Fan Duration 0 90 600 Sec

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MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
16. Operation of the Auto-Start Functions
The APCCU Auto Start Functions are not allowed to operate when the System is Inactive (with the exception of Low
Battery). While the system is Active and the Auto Start Functions are enabled they will operate per the following list. All
Auto Start functions can be aborted by putting the System into the Inactive State or activating E STOP.
Ti e Start – Set and Configured in the Auto Start Settings Menu, this can start the APU either Once, Daily, or Weekly at
the defined Day / Time and remains running for the pre defined duration (0.1 to 24.0 hours) in the Secured Settings.
Coolant Te perature – Set and Configured in the Auto Start Settings Menu, this starts the APU if the Engine Coolant
Temperature drops below the defined threshold (adjustable from 40 to 35 °F) and remains on for a pre defined
duration (1 to 60 minutes) in the Secured Settings.
Cabin Te perature – Set and Configured from the Main Screen when the Engine is Off, this starts the APU if the Cabin
Temperature drifts away from the defined Setpoint Temperature more than the defined Heat/Cool Threshold
differential (after a set delay time). It will run Heating or Cooling to bring the Cabin Temperature back to the Setpoint
Temperature. Once there Heating and Cooling will turn off and the Blower will run for the defined Fan Continuation
Duration time at which time the system will turn back off.
Low Battery – Set and Configured in the Auto Start Settings Menu, this starts the APU when required to maintain a
minimum voltage level for the truck battery. If the Battery voltage is below the threshold for the Low Battery Auto
Start can be (adjustable from 11.5 to 13.0 VDC [12V Battery] or 23.0 to 26.0 VDC [future 24V Battery option]) for longer
than the defined Low Battery Timer, the APU will start up to charge the battery for a pre defined duration. If the Battery
Voltage does not begin to increase sufficiently after starting, the APU will shutoff, pause for a few seconds, and then the
APU will try starting and charging the battery again for up to the maximum define Battery Charging Attempts. If
unsuccessful the APU will stop trying and the Battery Charging Failure Alarm will turn on.
17. Shore Power Mode
The APCCU enters Shore Power Mode whenever shore power (external 120VAC source) is connected to the system. If
the APU is running and shore power is connected, then the APU engine will turn off, the Main Screen will display the
Shore Power Icon, all Auto Starts are ignored, and Manual Temperature control is enabled. When connected to shore
power only Heater 1 is allowed for current limitation reasons. From the secured settings the operator can enable or
disable the ability to manually re start the APU engine while in Shore Power Mode. When shore power is disconnected
the APCCU will return to Active Mode with no HVAC active and Auto Starts are functional.
18. Truck Ignition Interlock
The APCCU is interlocked with the Truck Ignition switch to prevent the APU from running while the truck engine is on.
There are two exceptions; the Low Battery Auto Start and Coolant Temperature Auto Start functions are the only
instances that will allow the APU to run while the truck is on. If the truck engine is on, the Main Screen will display the
Truck Ignition Icon and prevent the APU from being Manually Started.
19. E-STOP Feature
The APCCU is programmed with an available E STOP feature. Press and hold the Engine Button for at least 2 seconds
(regardless of the Engine or Buttons operational state) to enter the E STOP mode. This forces the engine to immediately
shut down and locks it Off while E STOP is active and any Auto Start conditions that were Active will be deactivated.
When E STOP mode is no longer needed the operator must press and hold the Engine Button again for at least 2 seconds
to deactivate E STOP mode. Normal operation of Manual Start and all of the Auto Start options to start the engine are
then allowed again.

A013035UA, 502209 USER GUIDE PAGE 12 OF 17
MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
20. Engine Controls
The APU Engine is controlled by the APCCU. In Manual Control the operator can press the Engine “Manual Start” button
to turn the APU Engine On and the Engine “Manual Stop” button to turn the APU Engine Off. The APU Engine can also
be started by one of the Auto Start functions and after running its pre determined time will turn the APU Engine back
off. While an Auto Start function is active, the APU Engine button can be used to toggle Engine Mode between Manual
and Auto (If active). The Truck Ignition input and Shore Power connected input can force the APU Engine Off when not
needed. Below is a state diagram for operation of the Engine Modes. The Button Text for the current state in the
diagram is shown in the square brackets [].
Engine State Diagra
Starting and Stopping of the APU engine follows a pre defined sequence controlled by the APCCU. The diagram below is
an example of that process:
Engine Start Sequence Exa ple Engine Stop Sequence exa ple

A013035UA, 502209 USER GUIDE PAGE 13 OF 17
MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
21. Troubleshooting Tips
CCD is blank
•Screen ight be in low power ode. Watch for the side LEDs to flash briefly
every 5 seconds indicating it’s still active but in low power ode. Press the
down button to wake the display up.
•No power (Logic) to the APCCU.
oCheck that the Display cable is properly connected between the APCCU
and the CCD.
oCheck that 12V power is connected to APCCU on J2 pin-1
oCheck that the Disconnect is in the closed position
oCheck the 12V 5A fuse to the APCCU is good
oTruck battery ay be co pletely discharged or too low to run
APC
CU syste is on, but no
outputs are functional
•No Power (Output) to APCCU.
oCheck that 12V power is connected to APCCU on J2 pin-3
oCheck that the Disconnect is in the closed position
oCheck the 12V 30A fuse to the APCCU is good
APCCU shows the error
“COMM ERROR”
•
Co unication link between the CCD (Display) and APCCU (Controller) is not
functioning. Check that the Display cable is properly connected between the
APCCU and the CCD. The co unication link between the two units is not
functioning.
APU won’t st
art
(CCD goes blank, resets and
system is in Inactive Mode)
•The truck battery is not sufficiently charged to keep the APCCU powered up
thru the APU start sequence. Charge the battery by running the truck engine
or connecting to Shore Power.
APU won’t start
(Disabled or Interlock Fault)
•The Truck Ignition ay be on. Check if the Engine w/ Key sy bol is on the
Main Screen showing Truck Ignition is On.
•Shore Power ay be connected and APU restarts are disabled. Check if the
120V Plug sy bol is on the Main Screen showing Shore Power is connected.
•The Disable Te perature Zone setup by a Service Tech ay be preventing the
APU fro running if outside the defined range.
•Engine Start Delay ay be active after just stopping and APU is waiting for
configured length of ti e before re-starting again.
•Check the Active Faults Screen for anything that would disable the engine:
oAn Engine Start, Run, or Stop Fault has occurred (see below)
oEngine ay have Overheated and shutdown to cool.
oEngine Charge Fault ay be active.
•Check the Engine Status Screen for any of the following conditions:
oCover Switch is Open. Verify Cover is installed on APU properly.
oCoolant Te perature Sensor failed. Check/Replace sensor.
oCoolant Level ay be low. Check/Refill coolant.
oEngine Oil Pressure Sensor Input ay not indicate low oil as expected.
APU won’t
S
tart
(Engine Start Failure)
•
If also Low Oil Pressure Fault – Engine Oil Pressure did not co e up as
expected during the start-up sequence.
•If no other fault present with Engine Start Failure, possible causes are:
oRight after Cranking – Starter ran too long
oEngine Revs and Faults – Generator Input Sporadic or not detected.
(Note Start Failure appears after all allowed Re-Start attempts have been used)
APU won’t
Start or Stay
Running
•If also Low Oil Pressure Fault – Engine Oil Pressure is not what is expected
while running.

A013035UA, 502209 USER GUIDE PAGE 14 OF 17
MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
(Engine Run Failure)
•If also Engine Speed Error – 120VAC Input is not detected. Check Engine,
Generator and cabling for 120VAC feed to the APCCU.
APU won’t
Stop
(Engine Stop Failure)
•Engine Oil Pressure did not drop as expected within 10sec of trying to stop.
•Generator Frequency did not drop as expected within 10sec of trying to stop.
APU Shut off with no
alar
•The Secured Settings have a axi u run ti e for both anual and auto-
starts. After this duration the APU will auto atically shut off.
•The APU will auto atically turn off at the co pletion of an Auto-Start function
(after the appropriate duration for ti e, coolant te perature and low battery
Auto-Starts; and after the Cabin Te p Auto-Start reaches the appropriate
te perature)
HVAC syste won’t run
(APU is running)
•Engine Speed Error– 120VAC Input is not detected. Check Engine, Generator
and cabling for 120VAC feed to the APCCU on connector J1.
HVAC syste won’t run
(Shore Power is connected)
•Shore Power sy bol On – 120VAC Input is not detected. Check cabling for
120VAC feed to the APCCU on connector J1.
•Shore Power sy bol Off – Check contactor switch connection fro Shore
Power unit to APCCU on connector J4.
CCD is blank
•
Screen ight be in low power ode. Watch for the side LEDs to flash briefly
every 5 seconds indicating it’s still active but in low power ode. Press the
down button to wake the display up.
•No power to the APCCU.
oCheck that the Display cable is properly connected between the APCCU
and the CCD.
oCheck that 12V power is connected to APCCU on J2
oCheck that the Disconnect is in the closed position.
oCheck the 12V 5A fuse to the APCCU.
oTruck battery ay be co pletely discharged or too low to run.
HVAC
Heating won’t turn on
(No Heat Flame displayed)
•
The APCCU is currently set in the wrong ode for Heat. Press the HVAC Button
to scroll through to the correct Heating/Cooling Mode.
HVAC
Heating won’t turn on
(Heat Flame color is Gray)
•The APCCU doesn’t think that Heat is needed.
oCabin Te p isn’t far enough fro the Setpoint Te p for Heat yet.
oCheck the Heat Offsets in the Configuration Settings if Cabin Te p is
farther away fro Setpoint Te p than expected.
HVAC
Heating won’t turn on
(Heat Flame color is Red)
•The APU ust be running or on Shore Power for the HVAC fan to run. Start the
APU or connect Shore Power.
(NO E: On Shore Power, only Heater 1 will turn on)
•No 120VAC power detected. Ensure the generator output is connected to the
APCCU and working properly.
HVAC
Cooling won’t
turn on.
(No A/C Snowflake displayed)
•
The APCCU is currently set in the wrong ode for Cooling. Press the HVAC
Button to scroll through to the correct Heating/Cooling Mode.
HVAC
Cooling won’t turn on.
(A/C Snowflake is Gray)
•The APCCU doesn’t think that Cooling is needed.
oCabin Te p isn’t far enough fro the Setpoint Te p for Cooling yet.
oCheck the Cooling Offsets in the Configuration Settings if Cabin Te p is
farther away fro Setpoint Te p than expected.
HVAC
Cooling won’t turn on.
(A/C Snowflake is Blue)
•The APU ust be running or on Shore Power for the HVAC fan to run. Start the
APU or connect Shore Power.
•No 120VAC power detected. Ensure the generator output is connected to the
APCCU and working properly.
•Trinary Switch state indicates that the A/C coolant pressure is outside of the
allowed range for operation. Check A/C charge pressure.

A013035UA, 502209 USER GUIDE PAGE 15 OF 17
MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
HVAC Fan won’t turn on
•The APU ust be running or on Shore Power for the HVAC fan to run. Start the
APU or connect Shore Power.
•No 120VAC power detected. Ensure the generator output is connected to the
APCCU and working properly.
HVAC Fan Speed doesn’t
atch Manual Setting
•The APU ay be off. The APU ust be running (or Shore Power connected) for
the HVAC fan to run. Start the APU or connect Shore Power.
•The HVAC fan is prevented fro running at full speed during Heating.
•The HVAC fan runs faster than the User Setting if called for by Heating or
Cooling per the Min/Max Li its of the fan for the active ode.
Water Valve Fault / Not
working
•Water Valve Feedback voltage outside expected range
•Water Valve Feedback indicated that the Actual Position did not reach the
Co anded Position within the ti e allowed.

A013035UA, 502209 USER GUIDE PAGE 16 OF 17
MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
22. Status Indicator Lights on the Control Board
The APCCU controller as two LED’s in the lower left corner that indicate the general status of
the board. While the APCCU is running at full power the LED’s will be on constantly. If the
APCCU goes to low power mode, the LED’s will flash briefly every 5 seconds to continue to
indicate the Power and Comm status while conserving power.
Power Status LED (L1) Co Status LED (L4)
OFF = No 12V Logic Power, check 5A fuse in harness OFF = No 12V Logic Power
RED = Both 12V powers outside 9 14.5V range RED = System is INACTIVE
YEL = One of the 12V powers outside 9 14.5V range YEL = System is ACTIVE but no Comm with Display
GRN = Both 12V powers inside 9 14.5V range GRN = System is ACTIVE and operating
23. Troubleshooting Tools
An optional LED panel can be plugged into the CAN cable between the APCCU and the Display (using an adapter) that
allows the service te chnician to easily watch all the inputs and outputs on the APCCU.
CAN-Based LED Module for the APCCU
J4 3 Tri Fan Trinary Switch A/C system pressure high, turn on Condenser
J4 4 Tri Comp Trinary Switch A/C system pressure is Ok to run Compressor
J5 9 CoverSw APU Cover is installed properly
J5 10 OilPresSw APU Engine Oil Pressure is Ok
J4 5 ShorPwrSw Shore Power is Active
J5 11 CoolantSw APU Coolant Level is Ok
J4 7 TruckIgnSw Truck Ignition is On
J5 12 EngCoolantTemp APU Engine Temp Sensor is within acceptable Range
J1 1/2 120VAC 120VAC power is detected
J4 1/4 2 SpareCnfg1&2 Spare Input 1 or 2 Active, Flashing if
J5 8 APU Engine Speed Engine Speed detected, Flashing if
J6 1 AC Heater1 Output to AC Heater 1 Active
J6 2 AC Heater2 Output to AC Heater 2 Active
J7 3 A/C Compressor Output to A/C Compressor Active (Flashing if not allowed)
J7 2 AC Blower Output to AC Blower Motor is Active
J7 1 DC Cond Output to DC Condenser Active
J5 14 APU Starter Output to APU Starter (Relay K1) Active
J5 7 APU Alternator Output to APU Alternator Active
J5 6 APU Fans Output to APU Fans (Relays K4 & K5) Active
J5 5 APU Glow Plugs Output to APU Glow Plugs (Relay K3) Active
J5 4 APU Fuel Pull Output to APU Fuel Pull Solenoid (Relay K2) Active
J5 3 APU Fuel Hold Output to APU Fuel Hold Solenoid Active
J5 2 APU Fuel Pump Output to APU Fuel Pump Active
J5 1 APU Compressor Output to APU Compressor Active (Flashing if not allowed)
J4 12 Water Valve PWM command to Water Valve Active
J4 6 DC Blower PWM command to DC Blower Motor Active
COMM Status – GRN=Active, YEL=CommError, RED=Inactive
POWER Status – GRN=Both12VOk, YEL=One12VOk, RED=Neither12VOk
2209 Desc.
J4 3 Trinary Fan Sw
J4 4 Trinary Comp Sw
J5 9 Cover Sw
J5 10 Oil Pressure Sw
J4 5 Shore Power Sw
J5 11 Coolant Level Sw
J4 7 Truck Ignition
J5 12 Coolant Temp
J1 1/J1 2 120V_L/N
J4 1&2(ERR) Spare Cnfg 1&2
J5 8(FAULT) APU Engine Spd
J6 1 A/C Heater 1
J6 2 A/C Heater 2
J7 3 (TMR) A/C Compressor
J7 2 A/C Blower Fan
J7 1 DC Condensor
J5 14 APU Starter
J5 7 APU Alternator
J5 6 APU Fans
J5 5 APU Glow Plugs
J5 4 APU Fuel Pull
J5 3 APU Fuel Hold
J5 2 APU Fuel Pump
J5 1 (TMR) APU Compressor
J4 12 Water Valve
J4 6 DC Blower Motor
COMM Actv|Error|InActv
PWR OK |1Bad| 2Bad

A013035UA, 502209 USER GUIDE PAGE 17 OF 17
MARLIN TECHNOLOGIES INC ECN 13026E DATE 01/24/2019
Other Application Notes:
•There’s a 1 second delay from powerup before functionality starts (able to reflash before program locks up)
•There’s a 60 second delay from powerup for all Battery Monitoring conditions (faults & autostarts)
•Settings from Display to CCU are handshake/repeated, so the CCU implements time lock (1 2s) on mode changes
before temperature changes are allowed.
•Pull Ups for Digital Inputs are only ON while the APCCU LED’s are on.
•System is designed to run between 40 to 95 degF for a cabin temperature, and can Read between 50 to 140 degF.
General APCCU Connections: