Emerson MultiFlex CUB-II Specifications

026-1705 Rev 7 06-APR-2010MultiFlex Condensing Unit Board(CUB-II and CUB-TD) Installation andOperation Manual

The MultiFlex CUB-II Overview of the MultiFlex CUB-II and CUB-TD • 11 Overview of the Multi-Flex CUB-II and CUB-TDThe MultiFlex CUB-II and CUB-TD boar

2 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-20102 Mounting and Power-ingThe MultiFlex boards are usually mounted by the refrig

The Plug-In Output Board Mounting and Powering • 32.2. The Plug-In Output BoardThe MultiFlex CUB has an output sub-board that plugs to the top of the

4 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-20102.3.1. Choosing Transformer SizesIn most site installations, a single trans-fo

Powering the MultiFlex CUB Board Mounting and Powering • 52.3.2.1. New-Style MultiFlex CUB Boards (With Isolated Power Supply)The new-style MultiFlex

6 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010Verify that neither side of the transformer secondary is connected to earth gr

Wiring Types The I/O Network • 73The I/O NetworkAlthough the MultiFlex CUB can operate as a stand-alone controller, it relies on an E2, Ein-stein, or

8 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-20103.1.2.1. Numbering the MultiFlex CUBThe MultiFlex CUB is a unique board type o

The Inputs CUB Input and Output Setup • 94 CUB Input and Output Setup4.1. The Inputs4.1.1. Connecting Sensors to the MultiFlex CUBWiring an input to t

10 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-20104.1.2. Power ConnectionIf power is needed to operate the sensor, four points

The Outputs CUB Input and Output Setup • 114.2. The OutputsThe MultiFlex CUB has eight relays that energize and de-energize to control output loads. W

12 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-20104.2.1. Relay Output Ratings and Fuse ProtectionEach relay output on the Multi

Status LED Board Status LEDs • 135 Board Status LEDsWhen a MultiFlex board is powered up, you will be able to determine the operating status of the bo

14 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010ther the I/O Network is down or it has not yet been commissioned in the E2, E

Compressor Control MultiFlex CUB-II and CUB-TD Software Overview • 156 MultiFlex CUB-II and CUB-TD Software Over-viewThe CUB-II is capable of controll

16 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-20106.2. Condenser Fan Control6.2.1. Temperature Differential (TD) StrategyTemper

Defrost Control MultiFlex CUB-II and CUB-TD Software Overview • 176.2.3. Case Temperature ControlCase temperature control supports using a combination

18 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010Cut In Lower Than Cut OutWhen the Cut In setpoint is lower than the Cut Out s

Alarm Conditions (Safety Modes) MultiFlex CUB-II and CUB-TD Software Overview • 196.5. Alarm Conditions (Safety Modes)When certain conditions are dete

3240 Town Point Drive NW Suite 100Kennesaw, GA 30144, USAPhone: 770-425-2724Fax: 770-425-9319ALL RIGHTS RESERVEDThe information contained in this manu

20 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010Resetting a Compressor Proof FailureResetting a Compressor Proof Failure Safe

Door Switches and Clean (Wash) Switches MultiFlex CUB-II and CUB-TD Software Overview • 216.6.2. Clean (Wash) SwitchesSome refrigerated cases may be o

22 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-20107 The MultiFlex CUB E2/ Einstein InterfaceThe MultiFlex CUB-II and CUB-TD are

Viewing the CUB Status Screen The MultiFlex CUB E2/ Einstein Interface • 23press  - Controller Status). If E2 or Einstein and the CUB boards are comm

24 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010is a large amount of information on a CUB status screen, status information i

Viewing the CUB Status Screen The MultiFlex CUB E2/ Einstein Interface • 25Defrost Term TempThis field shows the current value of the defrost terminat

26 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010Evap FanThis field shows the ON/OFF state of the case circuit fans.7.2.4. Def

Programming The CUB Using the E2 or Einstein Front Panel The MultiFlex CUB E2/ Einstein Interface • 27To begin programming a CUB, navigate to the CUB

28 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010Wash SwitchThe Wash Switch field specifies whether this condensing unit has a

Programming The CUB Using the E2 or Einstein Front Panel The MultiFlex CUB E2/ Einstein Interface • 29The Combination Method determines how multiple c

30 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010Min Suct PressThe Minimum Suction Pressure setpoint serves two purposes. When

Programming The CUB Using the E2 or Einstein Front Panel The MultiFlex CUB E2/ Einstein Interface • 31It is recommended you program this fan with a hi

32 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-20107.3.4. Screen 4: Aux InputsThe Aux Inputs screen is used to set the character

Programming The CUB Using the E2 or Einstein Front Panel The MultiFlex CUB E2/ Einstein Interface • 33There are sixteen rows on this screen labeled fr

34 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010OffsetThe Offset field allows you to calibrate a sensor by adjusting the raw

Programming The CUB Using the E2 or Einstein Front Panel The MultiFlex CUB E2/ Einstein Interface • 35Fan ON DlyThis parameter delays the amount of ti

36 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010The descriptions below describe what the purpose of each output shown on this

Programming The CUB Using the E2 or Einstein Front Panel The MultiFlex CUB E2/ Einstein Interface • 37SAFETY MODEWhen certain conditions are detected,

38 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010alarm is active in one or more CUB systems.• Sens Ctrl 1 - Sens Ctrl 2 - The

Programming The CUB Using the E2 or Einstein Front Panel The MultiFlex CUB E2/ Einstein Interface • 39Min ON TmThe Minimum ON Time is the amount of ti

40 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010Oil Fail SetptIf you chose Pressure as the Oil Failure Type, the Oil Failure

Programming The CUB Using the E2 or Einstein Front Panel The MultiFlex CUB E2/ Einstein Interface • 41Num Auto ResetThe Num Auto Reset field sets the

42 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010Enter the desired number of resets in this field.Proof Adv TypeThe Proof Advi

Programming The CUB Using the E2 or Einstein Front Panel The MultiFlex CUB E2/ Einstein Interface • 43Case Defr DlyBecause the case temperature can be

44 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-20108 The MultiFlex CUB Hand-Held InterfaceThe MultiFlex CUB Hand-Held Terminal (

Altering CUB Configuration Using The Hand-Held Terminal The MultiFlex CUB Hand-Held Interface • 458.1.4. Input Summary ScreenThe Input Summary screen

46 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010The Main Menu is actually a series of two menus. Because of the limitation of

Altering CUB Configuration Using The Hand-Held Terminal The MultiFlex CUB Hand-Held Interface • 478.2.3.2. Refrigerant SelectRefrigerant TypeThe Refri

48 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010Temperature UnitsThe TempUnits field determines whether engineering units for

Altering CUB Configuration Using The Hand-Held Terminal The MultiFlex CUB Hand-Held Interface • 49See Section 8.2.4.4., Comb Method for the start of t

vi • Table of Contents 026-1705 Rev 7 06-APR-2010Table of Contents1 OVERVIEW OF THE MULTIFLEX CUB-II AND CUB-TD...

50 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010puts.• MIN - The lowest sensor value of all the case tem-perature inputs.• MA

Altering CUB Configuration Using The Hand-Held Terminal The MultiFlex CUB Hand-Held Interface • 51Cut In Press and Cut Out PressThe Cut In setpoint de

52 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010Min ON Time The minimum ON time is the smallest amount of time the condenser

Altering CUB Configuration Using The Hand-Held Terminal The MultiFlex CUB Hand-Held Interface • 538.2.5.4. Proof FailureProof FailThe ProofFail field

54 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-20108.2.5.7. High Discharge AlarmHigh Discharge Pressure AlarmEnter the discharge

Altering CUB Configuration Using The Hand-Held Terminal The MultiFlex CUB Hand-Held Interface • 55Wash Fail-Safe TimeThe Wash Fail-Safe time allows yo

56 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-20108.2.6.3. Defrost TimesDefrost DurationThe Defrost Duration is the maximum amo

Altering CUB Configuration Using The Hand-Held Terminal The MultiFlex CUB Hand-Held Interface • 57TypeThe Type field tells the CUB what kind of sensor

58 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-20108.2.8. Outputs ScreensThe two screens under the heading “Output” are where yo

Altering CUB Configuration Using The Hand-Held Terminal The MultiFlex CUB Hand-Held Interface • 598.2.10.Sensor Control ScreensThe screens under the S

MultiFlex CUB-II and CUB-TD I&O Guide Table of Contents • vii6.2. CONDENSER FAN CONTROL ...

60 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010S1 MinOn and S2 MinOnThe S1 Minimum ON Time and S2 Mini-mum ON Time parameter

Altering CUB Configuration Using The Hand-Held Terminal The MultiFlex CUB Hand-Held Interface • 61Engineering UnitsDF Degrees FahrenheitDC Degrees Cel

62 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010Appendix A: TD Quick StartSet Up Motor Room Tem-perature and Plenum Temperatu

Set Up Motor Room Temperature and Plenum Temperature Inputs Appendix A: TD Quick Start • 633. To set the motor room temperature, arrow down to SPARE A

64 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010Configuring Setpoints in E2 or Einstein for CUB-TDThe CUB application in E2 a

Configuring Setpoints in E2 or Einstein for CUB-TD Appendix A: TD Quick Start • 65None, the Input Types to None, and Offsets to 0 (zero).3. Press  to

66 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010SetpointsPress  to move to the Setpoints tab. 1. To set the TD Setpoint, arr

Configuring Setpoints in E2 or Einstein for CUB-TD Appendix A: TD Quick Start • 67desired number (the default is NONE).2. To set the alarm delay setpo

68 • MultiFlex CUB-II and CUB-TD I&O Guide 026-1705 Rev 7 06-APR-2010Appendix B: Case Type DefaultsThe table below lists the 64 default case types

Configuring Setpoints in E2 or Einstein for CUB-TD Appendix B: Case Type Defaults • 6919 SDFH Single deck fish 22 32° 12° 01:00 3/18 3/45 3/60 3/6020

viii • Table of Contents 026-1705 Rev 7 06-APR-20108 THE MULTIFLEX CUB HAND-HELD INTERFACE...

MultiFlex CUB-II and CUB-TD I&O Guide Table of Contents • ix8.2.10.4. Sensor Control Screen 4 (Alarm Priority, Comb Method) ......