Cumberland Farm Hand Heat Zone Owner's manual

Brand: Cumberland

Model: Farm Hand Heat Zone

Type: Owner's manual

Part No. 4801-5129 rev 1-20 Owners Manual Farm Hand Heat Zone

CUMBERLAND Assumption, IL 62510 • Phone 1-217-226-4421 • Fax 1-217-226-4420

Farm Hand Heat Zone

4 Stage Environmental Controller

Cumberland

1004 E. Illinois St.

Assumption, IL 62510

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Table of Contents

Table of Contents

Section Title Page

1. Ratings and Specifications ............................................................................................................................. 3

2. Warnings ........................................................................................................................................................ 3

3. Introduction .................................................................................................................................................... 4

4. Day to Day Operating Instructions ................................................................................................................. 5

4.1 Face Pad Description .............................................................................................................................. 5

4.2 Checking/Adjusting Temperatures ......................................................................................................... 5

4.3 Using the Heat Zone controller over local or HH.Net connections ........................................................ 6

5. Program Mode ................................................................................................................................................ 7

5.1 Zone Parameters ..................................................................................................................................... 7

5.1.1 Temperature Units (P1) .................................................................................................................. 7

5.1.2 Stage On Points (P4) ...................................................................................................................... 7

5.1.3 Stage Off Points (P5) ...................................................................................................................... 7

5.2 PC Compatible Network Parameters ...................................................................................................... 7

5.3 Sensor Calibration .................................................................................................................................. 8

6. Controller Installations and Setup .................................................................................................................. 8

6.1 Tools Required ....................................................................................................................................... 8

6.2 Installation Instructions .......................................................................................................................... 8

7. Maintenance ................................................................................................................................................... 9

7.1 Sensor Calibration .................................................................................................................................. 9

7.2 Removing and Replacing a Relay Strip .................................................................................................. 9

8. Wiring Diagrams .......................................................................................................................................... 11

8.1 Connecting directly to Farm Manager over the HH.Net ...................................................................... 12

8.2 Observing the Status LEDs .................................................................................................................. 13

8.3 Connecting to an SCS™ over a Local Network Connection................................................................ 14

8.4 Connecting Ignition to an HSI Infrared Brooder .................................................................................. 15

8.5 Connecting Ignition to a Zone Infrared Brooder .................................................................................. 16

8.6 Connecting the Temperature Sensors ................................................................................................... 17

8.7 Connecting AC Power .......................................................................................................................... 18

9. Program Reference ....................................................................................................................................... 19

9.1 Error Codes ........................................................................................................................................... 19

9.1.1 Sensor Errors ................................................................................................................................ 19

9.1.2 Possible Solutions ......................................................................................................................... 20

9.1.3 Local Network Errors ................................................................................................................... 20

10. Temperature vs. Sensor Resistance Table ................................................................................................ 21

11. Program Parameter Listing ....................................................................................................................... 22

12. Error Code Listing .................................................................................................................................... 22

13. Program Data Sheet .................................................................................................................................. 23

14. Warranty ................................................................................................... Error! Bookmark not defined.

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 3 of 25

1. Ratings and Specifications

 115 VAC for Model #6607-1596 (HSI model)

 115/230 VAC for Model #6607-1595 depending on wiring options (Zone model)

 50/60 Hz

 12 Amperes @ 120 VAC for Model # 6607-1596 - (HSI model)

 4 Stages with 24 VAC output. @ 10Amperes total load between all stages

for Model # 6607-1595 – (Zone model)

 Room must be kept between 122F/50C and 32F/0C.

2. Warnings

Warning!

Before connecting power to the machine, be sure to check the correct

wiring for either 120 or 240 volts.

Warning!

When this controller is used in a life support heating and ventilation

system where failure could result in loss or injury, the user should provide

adequate back-up, or accept the risk of such loss or injury!

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 4 of 25

3. Introduction

The Farm Hand Heat Zone Controller is a four stage environmental controller intended for temperature

control of poultry houses equipped with heaters that will operate from either 24 VAC or 120 VAC

ignition. The examples used in this manual show HSI and Zone brooders, although the Heat Zone

controller is not limited to these models.

A typical installation of the Farm Hand Heat Zone controller that can control up to four brooder heat

zones is illustrated below. This example shows half house brooding with eight brooders in each of the

four Heat Zones. Temperature sensors are placed in the center area of each zone. As noted below

Sensor 1 should be placed in the center of Zone 1, Sensor 2 in the center of Zone 2, etc. The Farm

Hand Heat Zone controller monitors the temperature of each zone and controls the ignition of the

brooders to maintain each zone temperature within the limits as established by the user. The Zone

controller can be used in conjunction with the Vent Master 24 or be connected to the Cumberland

Farm Manager network.

There are two models of the Farm Hand Heat Zone controller. Model # 6607-1596 (120 VAC) works

with Hot Surface Ignition (HSI) types of brooders and provides 120 volts for ignition. The 120 volts

Example of Half House Brooding with Four Heat Zones.

(Eight Brooders in each Zone.)

ZONE 1

SENSOR 1

SENSOR 3

ZONE 3

Center Curtain

Brooder

ZONE 4

ZONE 2

SENSOR 2

SENSOR 4

Farm Hand Heat Zone Controller

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 5 of 25

Zone 1

Zone 2

Zone 3

Zone 4

(Zona 1)

(Zona 2)

(Zona 3)

(Zona 4)

Zone Status

Indicators

AUTO

4501-6074

AUTO

OFF

Zone Control

Switches

is supplied from an external power supply as illustrated in the wiring diagram is Section 8.4. Model #

6607-1595 (24 VAC) works with Zone brooders and provides 24 volts for ignition. See Sections 8.4

and 8.5 for wiring diagrams.

For additional information on installing and connecting brooders, refer to Cumberland Zone Brooder

Owners Manual # 4801-5107 or Cumberland HSI Owners Manual # 4801-5121.

4. Day to Day Operating Instructions

This section of the manual describes the day to day operation of the Farm Hand Heat Zone controller.

4.1 Face Pad Description The Heat Zone Controller has three regions on

the face pad. First is the main display area.

This section includes the main display, and

three green LED’s which tell what the display is

indicating. If the green light beside “Room

Temperature” is lit, then the display is showing

the average inside temperature of the heated

area of your building. Later in this manual you

will learn how to view the other two parameters.

Just to the right of the main display is the control button region. This region has three buttons, Mode,

Plus (+), and Minus (-). The Mode button is the primary user operated button on the controller. It has

two functions: First, when you press the button you will step through Room Temperature, Target

Temperature and Zone Temperatures. (All of these are shown on the display.). Second, the mode

button allows you to go into program mode. To do this, press and hold the mode button for five

seconds, until you see “P1” in the display. This P1 will alternate with the actual setting of Parameter

P1. (See Section 5 “Program Mode” for more information.)

The Plus and Minus buttons are used to adjust settings (Target Temperature, for

example). If you press the Plus (+) button, the setting will increase, and when

you press the Minus (-) button, the setting will decrease.

Below the main display are four zone status indicators. This red light will be lit if

the stage is on.

Finally, the Farm Hand Heat Zone Controller has

a three position switch for each one of the four

zones. The Zone Control Switches will control the heaters based upon the

settings as follows:

ON – In this position the brooder runs continuously. The brooder can

not be turned off by the Heat Zone Controller.

OFF – In the “OFF” position the Heat stage will not run. The brooder

can not be turned on by the Heat Zone Controller.

AUTO – The stage is under control of the Farm Hand Heat Zone

Controller.

4.2 Checking/Adjusting Temperatures

To view the average temperature of the heated area of your house, look at the display. When a control

button has not been pressed with in the last minute, the display will automatically show “Room

Temperature”. To see the Target Temperature, press the button labeled “Mode”. When this button is

pressed, watch the green LED’s beside the main display. Whichever LED is lighted determines the

parameter you are viewing. You can easily see “Room Temperature”, “Target Temperature and all

four Zone Temperatures. These three temperatures are defined as:

Room Temperature = The average of the four zone sensors located inside the house.

Target Temperature = The temperature the system tries to maintain.

Room Temp

Target Temp

Zone Temps

(

Temperatura

Cuarto)

(

Temeratura Optima)

(

Temeratura

Zona)

(

Modo)

Main Display Area

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 6 of 25

Zone Temperature = The temperature of each of the four zones.

To adjust the Target Temperature, press the mode button until the LED beside Target Temp is lighted,

then use the Plus (+) button to raise the value, or the Minus (-) button to lower the value. When you

are finished setting a new value, either press the mode button again, or wait a few seconds and the

system will return to normal operation.

To view the zone temperatures press the mode button until the LED beside Zone Temps is lighted. Note

also the Zone 1 LED will light indicating the Zone 1 temperature is being shown in the display indicator.

Continue to press the Mode button to step through all four of the Zone temperature readings.

The chart below shows the sequence of parameters will be shown in the display as the mode button is

pressed.

4.3 Using the Heat Zone controller over local or HH.Net connections

The Farm Hand Heat Zone controller has the capability to operate with other network

compatible controllers over the HH.Net or over a local network connection. Two examples

are shown in the Wiring diagrams. The Heat Zone can be connected to the Vent Master over

a local network connection. (See Section 8.3 for a wiring diagram.) The Vent Master can

then control the Target Temperature. Programming parameter P40 of the Heat Zone

controller is the Network Address. This must be set to zero (0) when operating with the Vent

Master.

The Heat Zone can also be connected directly a personal computer running the Farm Manager

software. See Section 8.1 for a wiring diagram. In this case the Network Address of the Heat

Zone must be between eight (8) and 32 and be unique as required. For additional information

on the HH.Net and Farm Manager see Cumberland document Number 4801-5049.

When connected to a local network or to the HH.Net, there are two LEDs on the Heat Zone

circuit board that indicate the status of communications. The Receive LED is lighted red

when receiving data over the network connection. (Note: This LED may appear to be on

Heat Zone Controller

(Parameter Selection Sequence)

Room

Temperature

Zone 1

Temperature

Zone 3

Temperature

Zone 2

Temperature

Zone 4

Temperature

Target

Temperature

For Zone Temperatures, both

the Zone Temps LED and

the Zone LED will be

lighted.

Zone 1

Zone 2

Zone 3

Zone 4

(Zona 1)

(Zona 2)

(Zona 3)

(Zona 4)

Room Temp

Target Temp

Zone Temps

(

Temperatura

Cuarto)

(

Temeratura Optima)

(

Temeratura

Zona)

(

Modo)

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 7 of 25

continuously. The Transmit LED is lighted red when transmitting to a Master controller or

the Farm Manager. See Section 8.2 for the location of these LEDs.

5. Program Mode

Settings that are usually set up once per growout, or maybe even just for summer or winter are referred

to as program parameters and are accessed by taking the controller to program mode. Some examples

of these settings are Zone On points and Off points and Sensor Calibration. To get to program mode,

press and hold the “Mode” button for five seconds. When the controller has entered program mode,

the main display will flash between “P1” and the value of this parameter.

The “P1” is known as a parameter number. All the program items for the controller have a parameter

number assigned to them. The numbers are listed in the section called “Program Reference” in the

back of this manual with a short description of each parameter.

When in the program mode, the current parameter is changed by using the Plus (+) and Minus (-)

buttons as needed. When you have finished with the current setting, press the “Mode” button to move

to the next parameter. Look at the zone status indicators. If the light for zone 1 is lit, the parameter

being programmed is for zone 1. To go to zone 2, continue to press the mode button until the zone 2

indicator LED is lit.

5.1 Zone Parameters

The following parameters are used to program each zone on the Farm Hand Heat Zone

Controller. Through these parameters, the user has complete control over the operation of

each stage. The following section explains each parameter.

P1 = Metric or English Units

P4 = Zone On Point

P5 = Zone Off Point

5.1.1 Temperature Units (P1)

The zone parameter (P1) sets the type of temperature units displayed in the indicator.

P1 options are as follows:

ON = Metric

Temperature is displayed in degrees Celsius.

OFF = English

Temperature is displayed in degrees Fahrenheit.

5.1.2 Stage On Points (P4)

The On Point setting is the temperature at which a stage turns on. (i.e. the

temperature at which an ignition signal is transmitted by the controller. The On

Point settings for the Heat Zone controller will always be less than the target

temperature.

5.1.3 Stage Off Points (P5)

The Off Point setting is the temperature at which a the ignition to a brooder turns off.

5.2 PC Compatible Network Parameters

This option requires Cumberland’s Farm Manager Software. The controller has three

functions which are used to set it up on the Cumberland PC compatible inter-controller

network (HH.Net). These are:

P40 - HH.Net Address

HH.Net allows you to connect up to 32 controllers on a single communications port of your

personal computer (PC). In order for the computer to recognize the communications from the

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 8 of 25

controllers, each controller must have a unique address. There are two restrictions on the

address of the Heat Zone controller depending on how it is connected in the HH.Net. If the

Heat Zone is connected to the Vent Master, the address of the Heat Zone must be set to zero.

When connected directly in the HH.Net the address must be between eight (8) and 32 and be

unique as required. For example, If you have two Heat Zone Controllers, and two Power

Vents you would need to set the first Heat Zone Controller to address 8, the second Heat

Zone Controller to address 9, the first Power Vent to address 1, and the second Power Vent to

address 2. (You do not have to address the controllers in any particular physical order.)

P41 - Version Number

This is not settable. It is the version of the controller software.

P42 - Controller Type

This is not settable. It is a unique number that allows the network software (Farm Manager)

to know the type of controller.

5.3 Sensor Calibration

The Heat Zone Brooder Controller has 4 sensors that may be calibrated. The parameter(s) for

calibration are PSX with X being the sensor number. The sensor temperature reading is

alternately displayed along with the parameter number. You should never attempt to calibrate

a sensor more than 8 degrees. If a temperature reading that is that far out of range, it

indicates that there is a problem that should be corrected.

PS1 - Calibrate Sensor 1

This reading can be changed by pressing the + or - button until the desired

reading is displayed.

PS2 - Calibrate Sensor 2

This reading can be changed by pressing the + or - button until the desired

reading is displayed.

PS3 - Calibrate Sensor 3

This reading can be changed by pressing the + or - button until the desired

reading is displayed.

PS4 - Calibrate Sensor 4

This reading can be changed by pressing the + or - button until the desired

reading is displayed.

6. Controller Installations and Setup

6.1 Tools Required

Mini Screwdriver

Wire Strippers

Standard Screwdriver

6.2 Installation Instructions

1. Unpack system, and check that all components are present.

Farm Hand Heat Zone Controller

Installation Kit

Temperature Sensors

Manual

2. Hang Farm Hand Heat Zone Controller with four screws and the plastic mounting

brackets included.

3. Make sure all power supplies are disconnected before breaking any wires, or

reaching into the enclosure.

4. Open the Heat Zone Controller and find all connections. Refer to wiring diagrams in

back of this manual.

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 9 of 25

5. Run sensors out to locations inside the house. Be sure that the sensors are in a safe

location, free from any temperature influences (direct sunlight, water, etc.) Use care

when securing sensor wires so that you do not cut the wire. Any short, or break in

the wire will cause improper sensor operation.

6. Connect each sensor to its appropriate terminals inside the enclosure. (See the wiring

diagram in Section 8.6 of this manual.)

7. Connect wires from stage terminals to the brooders. See Section 8.4 for wiring to an

HSI brooder or Section 8.5 for wiring to a Zone brooder.

8. Connect the wires for either 120Vor 240V power to the terminals specified in the

wiring diagram in Section 8.7.

7. Maintenance

7.1 Sensor Calibration

Check the calibration of your sensors at least once per quarter. You will need to have two people.

One at the sensor with a trusted thermometer, and one at the controller to set the sensor to the proper

setting.

7.2 Removing and Replacing a Relay Strip

The Heat Zone Controller is equipped with removable relay strips for easy maintenance and

replacement.

1) Remove electrical power from the Heat Zone Board.

Mounting Tab

RELAY STRIP

Main Circuit Board

Relays

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 10 of 25

Note: In step 2, it very important to remove electrical power

from the circuits connected to the relay board, since

external equipment may back-feed voltage through the

relay board!

CAUTION !

2) Remove power from the equipment connected to the relay strip to be replaced.

3) Unplug the Stage harness cables from the relay board.

4) Use needle nose pliers to pinch the tops of the mounting tabs to release the relay strip.

5) Verify that the replacement relay strip is of the Normally Open (N.O.) type. Fail-Safe types

of relay strips are not recommended in heating. See the insert below that describes how to

recognize the two types of relay strips.

6) Install new relay strip by pressing evenly near the mounting tabs.

7) Re-install the stage harness cables.

FAIL-SAFE

strips are labeled at the

top of the board.

When replacing any

Relay Strip be sure to

verify the type.

NORMALLY OPEN

(N.O.)

strips are labeled at the

bottom of the board.

Inset

(Top)

(Bottom)

HEA

COOL

RPK

COOL

HEA

FAIL-SAFE RELAY STRIP

COOL

HEA

B Crider

N.O.RELAY STRIP

WHAT ARE FAIL-SAFE RELAY STRIPS ?

There are two types of Relay Strips. The Normally Open (N.O.) strip

requires a signal from the controller board in order to energize a stage

of ventilation. Should power be removed from the controller, the

Normally Open Relay board would not be able to energize a ventilator.

On the other hand, the Fail-Safe relay strip would close each of the

relays in the strip resulting in energizing the ventilators in case of a

controller power failure.

NOTE: Fail-Safe relay strips are NOT recommended for

heating (brooder) applications!

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 11 of 25

8. Wiring Diagrams

Power SupplyStage 1Stage 2Stage 3Stage 4

120V (L2)

Hot (L1)

240V (L2)

GND

Power Supply

Transformer

(Type depends

on Model)

Farm Hand Heat Zone Controller

Circuit

Board

Terminal

Strip

Zone

Control

Switches

N.O. Relay

Strip

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 12 of 25

8.1 Connecting directly to Farm Manager over the HH.Net

Zone

Controller

Inset A

Pos (+) - Red

Neg (-) - Black

To Other

Controllers

IMPORTANT

NOTE!

Do Not Connect

Network NC If

Connecting To HHNet

Wireless or Wired

Network!

Farm Hand Heat Zone Controller

Inset A

Cumberland, Inc

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 13 of 25

8.2 Observing the Status LEDs

Farm Hand Heat Zone Controller

Circuit Board

Inset A

There are two Status LEDs on the circuit board. They

indicate:

Receive – Red when receiving data over the network

connection. (Note: This LED may appear to be on

continuously.

Transmit - Red when transmitting to a Master controller

or the Farm Manager.

NET STATUS

RECEIVE

TRANSMIT

Inset A

Cumberland, Inc

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 14 of 25

8.3 Connecting to an SCS™ over a Local Network Connection

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 15 of 25

8.4 Connecting Ignition to an HSI Infrared Brooder

NOTE: For information on proper grounding and electrical connections refer

to Cumberland Brooder Manual #4801-5121

Warning: Do not connect more than 12 amps of load to a single stage!

Electrical

Enclosure

HSI Infrared Brooder

Terminal Strip inside HSI

Electrical Enclosure

Terminal Strip inside Heat

Zone Controller

To Breaker

Hot

Neutral

Earth

Power SupplyStage 1Stage 2Stage 3Stage 4

120V

(L2)Hot

(L1)240V

(L2)L1L2

GNDL1L2L1L2L1L2

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 16 of 25

8.5 Connecting Ignition to a Zone Infrared Brooder

NOTE: For additional information on electrical connections refer to

Cumberland Brooder Manual #4801- 5107.

Inset A

Zone Infrared Brooder

Inset A

Terminal Strip inside Heat

Zone Controller

24 VAC

Power SupplyStage 1Stage 2Stage 3Stage 4

120V

(L2)Hot

(L1)240V

(L2)L1L2

GNDL1L2L1L2L1L2

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 17 of 25

8.6 Connecting the Temperature Sensors

Inset A

Farm Hand Heat Zone Controller Circuit Board

Inset A

Sensor 1

Sensor 2

Sensor 3

Sensor 4

Cumberland, Inc

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 18 of 25

8.7 Connecting AC Power

To Breaker

Terminal Strip inside Heat Zone Controller

GROUND

HOT

NEUTRAL

240 Volt Source

To Breaker

Terminal Strip inside Heat Zone Controller

GROUND

HOT

NEUTRA

120 Volt Source

Power Supply Stage 1 Stage 2 Stage 3 Stage 4

120V

(L2) Hot

(L1) 240V

(L2) L1 L2

GND L1 L2 L1 L2 L1 L2

Power Supply Stage 1 Stage 2 Stage 3 Stage 4

120V

(L2) Hot

(L1) 240V

(L2) L1 L2

GND L1 L2 L1 L2 L1 L2

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 19 of 25

9. Program Reference

Program Parameters

P1 – Temperature Units

The zone parameter (P1) sets the type of temperature units

displayed in the indicator.

ON = Metric - Temperature is displayed in degrees Celsius.

OFF = English - Temperature is displayed in degrees

Fahrenheit.

P4 – On Point

The temperature at which a stage will turn on.

P5 – Off Point

The temperature at which a stage will turn off.

P40 – HH.Net Address

Unique setting for controllers along a single network wire pair.

Only used with the PC compatibility feature using

Cumberland’s Farm Manager software.

P41 – Software Version

This is the version of the software for the controller. This value

is not settable.

P42 -- Controller Setup

This is a number that identifies the type of controller (4 Stage

Controller) to the Farm Manager Software (PC compatible)

PS1 - Calibrate Sensor 1

The temperature the controller reads from Sensor 1. This

setting is used only when calibrating sensors. Press the +

and/or - buttons until the correct reading is seen in the main

display. (See Sensor Calibration)

PS2 - Calibrate Sensor 2

The temperature the controller reads from Sensor 2. This

setting is used only when calibrating sensors. Press the +

and/or - buttons until the correct reading is seen in the main

display. (See Sensor Calibration)

PS3 - Calibrate Sensor 3

The temperature the controller reads from Sensor 3. This

setting is used only when calibrating sensors. Press the +

and/or - buttons until the correct reading is seen in the main

display. (See Sensor Calibration)

PS4 - Calibrate Sensor 4

The temperature the controller reads from Sensor 4. This

setting is used only when calibrating sensors. Press the +

and/or - buttons until the correct reading is seen in the main

display. (See Sensor Calibration)

9.1 Error Codes

9.1.1 Sensor Errors

If the controller is displaying an “E1”, or “E2”, etc. the controller has recorded an

error. The controller records errors from sensor readings, and from the local

network if connected. To diagnose a controller problem, look up the error on the

table (under “Error Codes”) and look across the table to find the components that

have failed. (Items with an “x” have failed according to the controller.)

Part No. 4801-5129 rev 1-20 Farm Hand Heat Zone Page 20 of 25

Error

Sensor 1

Sensor 2

Sensor 3

Sensor 4

Code

Description

Error

Sensor 1 Error

Sensor 2 Error

Sensor 1 & 2 Error

Sensor 3 Error

Sensor 1 & 3 Error

Sensor 2 & 3 Error

Sensor 1, 2 & 3 Error

Sensor 4 Error

Sensor 1 & 4 Error

E10

Sensor 2 & 4 Error

E11

Sensor 1, 2 & 4 Error

E12

Sensor 3 & 4 Error

E13

Sensor 1, 3 & 4 Error

E14

Sensor 2, 3 & 4 Error

E15

Sensor 1, 2, 3 & 4 Error

Note: If a sensor is in error the display will show "- - -" and the actual temperature

loaded into the sensors register will be 130 F. This insures that the heat stage will

not be allowed to operate until the sensor is corrected.

9.1.2 Possible Solutions

Sensor Error

If any of the sensors are bad try the following:

 Reset the controller by taking power away at the breaker, or unplugging it.

 Determine which sensor is bad, then check the connection inside the controller door.

 Determine which sensor is bad, then check the sensor that is hanging in the house to

make sure that it has not been damaged.

 Check the wire going to the sensor(s) to be sure there are no staples through the

wires.

 Replace the bad sensor.

9.1.3 Local Network Errors

If the display flashes “LnE” it indicates that there is a Local Network Error. If you

are attached to the Vent Master 24 via the Local Network connection there is a

communications problem. Report this problem to your local dealer.

If you are using the Heat Zone as a stand-alone controller with no Local Network

Connection, you can disable this error code by setting P40 to an address between 8

and 32.

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Cumberland Farm Hand Heat Zone Owner's manual

Cumberland Farm Hand Heat Zone Owner's manual

Cumberland Farm Hand Heat Zone Owner's manual

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