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iGrow 1800 Installation Guide

Page82

Link4 (714) 524-0004

The iGrow 1800™ can be used to monitor and control up to five (5) independent heating or cooling “Micro-
Zones”. What is a Micro-Zone? A Micro-Zone is a

region or compartment within a greenhouse that has a

different temperature setpoint.  Typical uses for Micro-Zones would be bench heating, corridor heating, or any
other area in the greenhouse with separate heating or cooling equipment.  Any of the iGrow1800’s 12 outputs
can be programmed as an M-Zone.  An MZone output is basically an independent thermostat with both a day
and night setting.

Note:

MZones only control On/Off type equipments. For control of proportional type see Pzone.

The first option for MZones is setting it to control either a heating device or a cooling one. The next setting is
telling the iGrow1800™ which temperature probe to use. The iGrow 1800™ has five temperature probe sensor
inputs, so it’s important to set the iGrow1600/1800™ to read the correct one for the MZone.

07 BHeat MZone
Mode

Heat

Sensor Temp1

07 BHeat MZone
Day

72.0°F

Enabled

Start at 6:00A
Lockout >= Cool1

Two target temperatures can be set, one for

Day

and the other

Nite

. Either can be

Enabled

or

Disabled

.

The Day temperature target begins with the

Start

time. The start can be astronomically adjusted by pressing

the + key when the cursor is positioned over

at

.

07 BHeat MZone
Nite

65.0°F

Enabled

Start at 8:00P
Lockout >= Cool1

The iGrow 1800™ will keep the device on so long as the following two conditions are met:
1. The current cooling/heating stage is less than or equal to the indicated stage, where H6<H5…<N<C1<….C6.
2. The temperature is above/below the target temperature plus the deadband.

Note:

The Deadband is set under the “System Setup” menu and then selecting the “Setup Deadbands” option.
The BHeat deadband is one used for MZones.

The Nite target is set exactly the same as the day. If only one temperature setpoint is desired for the 24 hour
period, then you can simply select the

Disabled

option for the second one.

In the example screen above, iGrow 1800™ output 7 is controlling a Bench Heater. From 6am to 8pm the
heater will turn on if the MZone temperature goes below 72°F. Additionally, it will shut off, or

Lockout

, if the

main greenhouse enters Cool1-Cool6. This way you’re not trying to heat and cool your greenhouse at the same
time. From 8pm to 6am the setpoint lowers to 65°F and will also Lockout if the greenhouse enters Cool1-Cool6.

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Содержание iGrow 1800

Страница 1: ...iGrow 1800 INTELLIGENT ENVIRONMENTAL CONTROLLER Installation and User s Guide Nov 2015 v3 0a Edition Copyright 2008 Corporation...

Страница 2: ...oint and Staging Worksheets 6 CO2 Worksheet 6 For more information on CO2 control see the CO2 Equipment portion of this manual Accumulated Light Worksheet for Irrigation 7 Accumulated Light Worksheet...

Страница 3: ...e 41 Expansion Units Multi Zone Network 43 Programming your iGrow1800 46 Before You Begin Programming 46 Navigation 46 Status Screens and Programming Screens 47 Status Screens 47 Welcome Screen 47 Mai...

Страница 4: ...CO2 Equipment 78 Light HID Equipment 79 Pump Control 83 Vent Proportional Programming 85 Curtain Programming 87 Mixing Valves 89 PZone Micro Zone for Proportional Equipment 92 VOut Variable Voltage Cu...

Страница 5: ...ynamic programming flexibility for easier and more accurate greenhouse management giving you the freedom for you to focus on plants and profits The reason why we stand out from others is because of ou...

Страница 6: ...also reserves the right to make any necessary changes to features and specifications to condition or warranty Returns Merchandise cannot be returned without a Return Merchandise Authorization RMA num...

Страница 7: ...g stage called the Stage Separation or Stage Width Whenever the temperature rises 1 degree above the cool setpoint 700 then the iGrow 1800TM will activate the appropriate equipment to bring the greenh...

Страница 8: ...point time periods Of course the ramp times can be set to 0 and in this case there will be an immediate step transition in the set points This is best explained by the illustration shown below 12am 1...

Страница 9: ...these sheets before using them They will be useful in the future should your control need change The first worksheet is for temperature and humidity controls It should be completed as thoroughly as po...

Страница 10: ...HUMIDIFICATION EQUIPMENT NAME TEMPERATURE Low Set Pt F C High Set Pt F C Figure 3 1 Setpoint Staging Worksheets For more information on Staging see the Cool Heat Stages portion of this Manual For more...

Страница 11: ...ENT NAME OUTPUTS CO2 ENABLED STAGE CO2 MINIMUM LIGHT LEVEL W m2 START TIME hh mm END TIME hh mm MINIMUM CO2 LEVEL ppm MAXIMUM CO2 LEVEL ppm Figure 3 2 CO2 Worksheet For more information on CO2 control...

Страница 12: ...on Accumulated Light mode irrigation see the Irrigation portion of this manual Figure 3 3 Accumulated Light Worksheet for Irrigation Cycle Trigger Worksheet for Irrigation 1 2 3 4 5 6 7 8 9 10 11 12...

Страница 13: ...ind and rain sensors and CO2 monitors can be purchased and added at any time Make sure you have all items all associated hardware and necessary tools before you begin installation If there is any visi...

Страница 14: ...ndent of any noisy high power equipment The use of a sealed outlet is recommended if the power output is exposed to moisture 4 There are 4 mounting feet on the backside of the iGrow 1800 For shipping...

Страница 15: ...VE SELF DRILLING 4PL Part Number 370 0007 00 WASHER 1 4 FLAT 4PL Part Number 371 0000 00 SCREW 3 8 HEX DRIVE SELF DRILLING 4PL Part Number 370 0007 00 WASHER 1 4 FLAT 4PL Part Number 371 0000 00 BOLT...

Страница 16: ...ted take some time to look over the front panel The iGrow1800 has many features to help give you the growing advantage Figure 4 3 below gives an overview of the main components that the iGrow1800 has...

Страница 17: ...swing downward It can be stopped at two positions fully downward 180 deg or at 90 deg using the front panel support cable This cable should always be tucked away when it is not being used The hinged...

Страница 18: ...l connections be made through the 4 liquid tight connectors at the bottom of the iGrow 1800 since the glands compress around the cables to form a watertight seal Making any additional holes in the top...

Страница 19: ...5 Take the open end the two stripped and tinned leads of the power supply The RED lead is the 12V power and the BLACK lead is the GND ground Route the power lead through the left most liquid tight co...

Страница 20: ...iGrow 1800 Installation Guide Page16 Link4 714 524 0004 Part Number 551 0000 00 Figure 4 7 Wiring the Power Supply...

Страница 21: ...ow1800 relays is 1 amp There are voltage suppressors on each output to protect the iGrow 1800 from excessive inductive spikes Additional protection should be used in the contactor panel if there are l...

Страница 22: ...AC MAX VOLTAGE 3 MAXIMUM OF 1 AMP CURRENT RATING PER CHANNEL 4 MAXIMUM OF 7 AMP CURRENT RATING ON MASTER COMMON 5 DO NOT WIRE 120 220 VAC INTO iGROW 1400 OUTPUT TREMINALS 6 IT IS RECOMMENDED THAT YOU...

Страница 23: ...MAXIMUM OF 1 AMP CURRENT RATING PER CHANNEL 4 MASTER COMMON NOT USED ON ANY CHANNEL WIRED AS A DRY CONTACT 5 DO NOT WIRE 120 220 VAC INTO iGROW 1400 OUTPUT TERMINALS 6 IT IS RECOMMENDED THAT ALL OUTPU...

Страница 24: ...L 3 MAXIMUM OF 1 AMP CURRENT RATING PER CHANNEL 4 MAXIMUM COMBINED CURRENT OF 7 AMPS ON MASTER COMMON TERMINAL 5 DO NOT WIRE 120 220 VAC INTO iGROW 1400 OUTPUT TERMINALS 6 IT IS RECOMMENDED THAT ALL O...

Страница 25: ...of a short in the event the open and close switches are turned on at the same time Usually the contractors in the relay panel have mechanical interlocks to prevent this from happening and the iGrow in...

Страница 26: ...RED AS FOLLOWS 1 2 3 4 5 6 7 8 9 10 or 11 12 ODD NUMBER OF ANY PAIR MUST BE WIRED AS OPEN EVEN NUMBER OF ANY PAIR MUST BE WIRED AS CLOSE 7 IT IS RECOMMENDED THAT ALL OUTPUT WIRING IS RUN THROUGH THE T...

Страница 27: ...0 220 VAC INTO iGROW 1400 OUTPUT TERMINALS 6 INTERLOCKS CAN ONLY BE PAIRED AS FOLLOWS 1 2 3 4 5 6 7 8 9 10 or 11 12 ODD NUMBER OF ANY PAIR MUST BE WIRED AS OPEN EVEN NUMBER OF ANY PAIR MUST BE WIRED A...

Страница 28: ...able as needed but make sure to use an adapter and wire approved by Link4 to make any extensions the wire and adapter can be purchased from Link4 Any extension wire must be shielded and stranded 24AWG...

Страница 29: ...ED TO RUN ALL SENSOR WIRES THROUGH THE WATER TIGHT GLAND ON THE FAR RIGHT SIDE OF THE iGROW 1400 THIS CONSERVES THE TWO MIDDLE GLANDS FOR OUTPUT WIRING 3 THIS DRAWING IS NOT TO SCALE 4 SOFTWARE SETTIN...

Страница 30: ...gh the right most watertight fittings at the bottom of the enclosure It is easy to strip insulation and or break wires when pulling cable If you want to bundle wires tighter use UV protected tie wraps...

Страница 31: ...OUGH THE WATER TIGHT GLAND ON THE FAR RIGHT SIDE OF THE iGROW 1400 THIS CONSERVES THE TWO MIDDLE GLANDS FOR OUTPUT WIRING 2 THIS DRAWING IS NOT TO SCALE 3 SOFTWARE SETTINGS USING THE iGROW1400s KEYPAD...

Страница 32: ...GH THE WATER TIGHT GLAND ON THE FAR RIGHT SIDE OF THE iGROW 1400 THIS CONSERVES THE TWO MIDDLE GLANDS FOR OUTPUT WIRING 2 THIS DRAWING IS NOT TO SCALE 3 SOFTWARE SETTINGS USING THE iGROW1400s KEYPAD G...

Страница 33: ...insulation and or break wires when pulling cable If you want to bundle wires tighter use UV protected tie wraps typically blue or black and do not over tighten Note If any splices are needed to exten...

Страница 34: ...NNECT WIND DIRECTION WIRES TO THE iGROW1400 AND TURN ON iGROW1400 c ON THE iGROW1400 STATUS SCREEN FIND THE READING FOR WIND DIRECTION d HAVE SECOND PERSON CLIMB LADDER AND SLOWLY ROTATE THE WIND VANE...

Страница 35: ...plices are needed to extend cable length make certain they are WATERTIGHT Water or fertilizer infiltration WILL cause unstable sensor readings 6 Keep sensor cables away from interference sources inclu...

Страница 36: ...ES THROUGH THE WATER TIGHT GLAND ON THE FAR RIGHT SIDE OF THE iGROW 1400 THIS CONSERVES THE TWO MIDDLE GLANDS FOR OUTPUT WIRING 2 THIS DRAWING IS NOT TO SCALE 3 SOFTWARE SETTINGS USING THE iGROW1400s...

Страница 37: ...UV protected tie wraps typically blue or black and do not over tighten Note If any splices are needed to extend cable length make certain they are WATERTIGHT Water or fertilizer infiltration WILL cau...

Страница 38: ...THE WATER TIGHT GLAND ON THE FAR RIGHT SIDE OF THE iGROW 1400 THIS CONSERVES THE TWO MIDDLE GLANDS FOR OUTPUT WIRING 2 THIS DRAWING IS NOT TO SCALE 3 SOFTWARE SETTINGS USING THE iGROW1400s KEYPAD GO...

Страница 39: ...when pulling cable If you want to bundle wires tighter use UV protected tie wraps typically blue or black and do not over tighten Note If any splices are needed to extend cable length make certain the...

Страница 40: ...D TO RUN ALL SENSOR WIRES THROUGH THE WATER TIGHT GLAND ON THE FAR RIGHT SIDE OF THE iGROW 1400 THIS CONSERVES THE TWO MIDDLE GLANDS FOR OUTPUT WIRING 3 THIS DRAWING IS NOT TO SCALE 4 WHEN CHOOSING LO...

Страница 41: ...tighten Note If any splices are needed to extend cable length make certain they are WATERTIGHT Water or fertilizer infiltration WILL cause unstable sensor readings 6 Keep sensor cables away from inte...

Страница 42: ...nputs AND ADJUST CO2 to AnalogIn6 4 WIRING FOR CO 2 SENSOR IS NOT INCLUDED BUT CAN BE PURCHASED FROM LINK4 CORP IF NEEDED 5 AFTER INSTALLATION CO 2 SENSOR MAY NEED UP TO 30 MINUTES TO STABILIZE IT S R...

Страница 43: ...k wires when pulling cable If you want to bundle wires tighter use UV protected tie wraps typically blue or black and do not over tighten Note If any splices are needed to extend cable length make cer...

Страница 44: ...UTPUT WIRING 2 THIS DRAWING IS NOT TO SCALE 3 SOFTWARE SETTINGS USING THE iGROW1400s KEYPAD GO TO Setup Inputs AND ADJUST Temp1 to AnalogIn1 Temp2 to Analog2 Temp3 to Analog3 etc THIS SENSOR CAN BE CO...

Страница 45: ...ertight fittings at the bottom of the enclosure It is easy to strip insulation and or break wires when pulling cable Use UV protected tie wraps typically blue or black and do not over tighten Note If...

Страница 46: ...TES 1 IT IS RECOMMENDED TO RUN THESE CABLES THROUGH THE WATER TIGHT GLAND ON THE FAR LEFT SIDE OF THE iGROW 1400 THIS CONSERVES THE TWO MIDDLE GLANDS FOT OUTPUT WIRING 2 THIS DRAWING NO TO SCALE REMOV...

Страница 47: ...o be the Site Master Once all units are installed in their proper locations and all sensors tested you are ready to connect the serial cable Regardless of which units will be Zone Masters or Expansion...

Страница 48: ...Expansion wiring configuration Slave 2 Slave 1 Salve 3 It is essential to connect networked iGrow1400s in a serial fashion as shown above Any other configuration will prevent the network from functio...

Страница 49: ...APTOR CABLE ORANGE WIRE GREEN WIRE RED WIRE BLACK WIRE GND WIRE RED WIRE NOTES 1 IF SEVERAL iGROW 1400 s ARE NETWORKED TOGETHER THE PC MUST BE CONNECTED TO THE MASTER UNIT ONLY 2 ONCE THE iGROW 1400 I...

Страница 50: ...Used to edit decrement alphanumeric parameters See also Browse Mode Used to edit increment alphanumeric parameters See also Browse Mode Prev Used to move backward from screen to screen in browser mod...

Страница 51: ...ng screens are where you setup and adjust Equipment Setpoints Overrides Other settings important related to your greenhouse The Navigation Menu Map on the following page shows all the primary screens...

Страница 52: ...st condition Please refer to the Dehumidification Humidification section for a description on Heat Boost InT This is the current indoor temperature reading from the indoor temperature sensor OutT This...

Страница 53: ...iGrow 1800 Installation Guide Page49 Link4 714 524 0004...

Страница 54: ...pically installed outdoors with a maximum reading of 2000 Watts meter squared OR in Klux with a maximum of 120Klux Wind This wind speed reading is displayed in miles per hour or kilometers hour along...

Страница 55: ...to that channel Names are limited to 5 alphanumeric characters Third column The third column is the number of times that the respective output has been triggered in irrigation mode Fourth column The f...

Страница 56: ...pansion Settings Heat Demand Cool Demand System Setup installation settings If you re setting up your iGrow1600 1800 for the first time then the first task is to program all applicable items found und...

Страница 57: ...d hysteresis band For cooling it is the number of degrees the temperature needs to drop from the lower boundary of its current stage before it switches to the lower stage Without Deadbands equipment t...

Страница 58: ...es This parameter is used to minimize the cycling of the equipment Irr Mode Irr Mode is either Concurrent or Sequential You can choose between the two options by pressing the or key These options appl...

Страница 59: ...On Time is the shortest time that the lights will be on This is to eliminate short cycling of the lights The figure below illustrates the case where you selected the sequential mode and you have two l...

Страница 60: ...ation Guide Page56 Link4 714 524 0004 In the Concurrent mode all the channels will come on at the same time Typically the Start Delay will be set to 0 00 and the Finish Delay will become the Off Time...

Страница 61: ...In3 Temp4 AnalogIn4 Temp5 AnalogIn5 VPos1 AnalogIn1 VPos2 AnalogIn2 VPos3 AnalogIn3 VPos4 AnalogIn4 VPos5 AnalogIn5 pH1 AnaIn1 pH2 AnaIn2 pH3 AnaIn1 pH4 AnaIn2 5uS EC3 AnaIn3 Soil1 None Soil2 None Soi...

Страница 62: ...ackup Sensor Setup Accumulators Accumulator 1 Sensor None Operating Period 24 Hour There are two accumulators that can be used They can be used for the outdoor temperature influence on the indoor temp...

Страница 63: ...e or negative adjustment to the raw reading giving you an adjusted value Adj Value Adj Value is what will be reflected on the front status screen Time Date History Time 12 17P Date 04 26 2005 Tue Dayl...

Страница 64: ...ns and is the only unit that a Weather Station and PC can be connected to Site Master To setup your Site Master press Enter Menu System Setup Communications Under the Communications screen you ll find...

Страница 65: ...Expansion Unit Outputs 37 48 Note Be sure that Expansion Units are set up in sequential order For Example if you have only two expansion units be sure to set one as 13 24 an the other to 25 36 DO NOT...

Страница 66: ...is to force the iGrow 1800 into any stage automatically In the example screen above the iGrow 1800 would engage whatever equipment you have assigned to be ON under NORM conditions Advanced Settings Mi...

Страница 67: ...e plus the Temp Hysteresis value For example let s say the Hyst Value is 5 F If the curtain closes at 70 F then to reopen it the temperature level must reach 75 F or 70 5 Note Regardless of what cause...

Страница 68: ...etwork to see if another controller has been added or if one is lost Your choice is either every 5 min or on reset Reset Error This feature is used for testing troubleshooting If you are having commun...

Страница 69: ...her information on Smart Cool please contact Link4 Clear History Press ENTER to clear History Log Press any other key to exit The Clear History option is made available to erase any previous history l...

Страница 70: ...or keys Pressing Enter takes you to the Enabled or Disabled option Setpoint 1 is always enabled Setpoint s 2 8 are disabled You may enable them by use of the key Note If you only have day and night s...

Страница 71: ...you enter the heat and the cool setpoints that is the low temperature and the high temperature targets Humidity Setpoints The humidity range is shown on the fourth line If the humidity is below the l...

Страница 72: ...Offset 1 0 0 F Condition 1 0 0 F Offset 2 0 0 F Condition 2 0 0 F Offset 1 is the setpoint adjustment if the influence sensor reading is greater than the Condition 1 Offset 2 is the setpoint adjustme...

Страница 73: ...Target Deviation is the number of degrees that the average temperature is allowed to vary from the setpoint before a fail day is signified The Max Adjustment Size is the maximum number of degrees by w...

Страница 74: ...ce with its own setpoints and temp sensor temp probe only It is an independent thermostat output with Day Night settings It can be programmed on any Channel Pump Pump may be programmed on any channel...

Страница 75: ...ing Stage setup you selected fewer than 6 stages then only the number of stages that you selected will appear for the On Off devices and Vents Refer to Cool Heating Stages Setup to set how many stages...

Страница 76: ...OVR 654321 N 123456 Ride 000000 0 000000 This is an override screen which is conditioned on the AC override being active Suppose you have two systems for cooling in the same greenhouse compartment On...

Страница 77: ...e the VPD threshold at which the irrigation valve is turned on for the user programmable time Scheduled Irrigation 01 Irr01 Irr Mode Scheduled hr mm ss OnTime 00 00 00 01 Irr01 Irr 7 00A 8 00A 12 30P...

Страница 78: ...the threshold is reached outside the time window irrigation will not take place until the beginning of the next active time window 02 Irr02 Irr 6000 W m2h at 55 F 3500 W m2h at 85 F Max Off 8 00 hh mm...

Страница 79: ...mm ss OnTime 00 00 00 When you select this option you will get the following screen The cycling option is for turning on and off a valve at some repetition rate during a time window As with the other...

Страница 80: ...r only between the Start and End times These two time values can be astronomically adjusted with respect to either sunrise or sunset Soil Trigger Irrigation The Soil Trigger irrigation option is desig...

Страница 81: ...n the air and how much moisture the air can hold when it is saturated Therefore VPD VP SAT VP Air The iGrow 1600 1800 calculates the VPD based on the temperature and humidity sensors in the greenhouse...

Страница 82: ...he days Note It does not mean that the Start is exactly at the sunrise time or the End at exactly at the sunset times You can select any time window What it means is that the daily adjustment is per t...

Страница 83: ...t When you set the parameters up for the first time as shown in the above screen the Start and End times will be adjusted every day thereafter at 2 AM to track the shortening and lengthening of the da...

Страница 84: ...0A On this screen you can see that you have up to three time periods per day to program an ON and OFF time for your lights Just press the Next or Prev keys to navigate to the time entry you want to mo...

Страница 85: ...use artificial light if necessary to achieve a daily amount of accumulated light in the greenhouse zone 06 HID Light Select Operational Mode DLI 06 HID Light Light Sensor InLight Threshold 11 0 kW m2...

Страница 86: ...es can be set one for Day and the other Nite Either can be Enabled or Disabled The Day temperature target begins with the Start time The start can be astronomically adjusted by pressing the key when t...

Страница 87: ...ld To tie a pump to a specific mixvalve you must specify in the mixvalve s settings which pump you want it to control For more details on this see the Programming Mix Valve section of this manual 05 P...

Страница 88: ...ted The deadband forces the pump to stay on for a while past the setpoint The purpose of deadbands are to keep the pump from constantly turning the pump on and off again to maintain the setpoint 05 Pu...

Страница 89: ...ll open position or vice versa Note to determine the vent open time turn manual toggle switch on and using a clock or stopwatch time the vent as it goes from it s closed to open position 07 08 Top V V...

Страница 90: ...exceeds a plus or minus value relative to the cool temperature setpoint This override is anticipatory and is particularly useful for the open roof vent configuration or the side roll up vents It is al...

Страница 91: ...to ON this mode is engaged and the vent will automatically go through the open close routine and the runtime between the position sensor positions will be saved in memory 07 08 Top V Vent N C1 C2 C3...

Страница 92: ...you have a light sensor you may want the curtain to shade only when the light exceeds a threshold Therefore you have a Close Above light intensity value you can select Also if you have an outside temp...

Страница 93: ...in all at once This option lets you select an outside temperature below that the curtain will open in four steps It will open 5 and then pause for five minutes It will do this for four times and then...

Страница 94: ...mbient temperature within the greenhouse to rise 2 deg Use Pump If you want the iGrow1800 to control a pump associated with the mixvalve system this is where you select which pump to control You must...

Страница 95: ...lve1 MixV Water Temp P 2 00 I 0 05 D 0 00 01 02 Valve1 MixV Inside Temp P 1 00 I 0 40 Disable No D 0 40 P I and D values These parameters determine the reaction times of the valve as related to the di...

Страница 96: ...channel odd numbered must be wired to OPEN the valve and the other even numbered to CLOSE it Note In some versions PZone may be shown as MZon2 07 08 Valve1 PZone WtrTemp1 Min 45 0 F Max 120 0 F Open T...

Страница 97: ...peratures for the Micro Zone Use or to set each value 07 08 Valve1 PZone Shock Prot No if Temp3 105 0 F limit to 5 open The fourth screen is settings for shock protection in your boiler system Shock P...

Страница 98: ...fference between the target and the desired temperature The higher the number the more the valve will move when the temperature differs from its target Be very careful when increasing this number Note...

Страница 99: ...bered output The pulsed version requires only one output and can be set on any channel 09 10 G PID Type Timed Move Time 00 m 00 s 09 10 G PID P 1 50 I 1 50 D 0 00 Sensor Generic1 Setpt 0 1000 in Hg 09...

Страница 100: ...s appear 15 VFan1 VOut Current varies with Ht Dem Ht Dem This field determines whether the equipment connected to this output is for heating or cooling Ht Dem is for heating and Cl Dem is for cooling...

Страница 101: ...ram the equipment you want to use in each of the four humidity override states See second figure above The four states are DeHumidity Stage 1 DH1 DeHumidity Stage 2 DH2 DeHumidity Low Temperature DHLT...

Страница 102: ...time the humidity drops below the target the dehumidification state will end and the equipment will return to normal temperature control The Heat Boost is another means of reducing the humidity You c...

Страница 103: ...e stage that you want to force the zone into Time Start and Stop Enter the times of day you want the overrides condition to begin and end One Time Only or Daily Choices for this field are Daily or One...

Страница 104: ...uipment Dehumidify Humidify Stage Overrides Equipment Overrides Smart Cool Settings Setpoint Alarms Auxiliary Controls Expansion Settings Heat Demand Cool Demand Smart Cool Disable Enter a number from...

Страница 105: ...int of the cool and heat setpoints As soon as the temperature drops below the midpoint the cooling state is reduced by one Hopefully this will raise the zone temperature above the midpoint If after a...

Страница 106: ...le if your Set Point temperature is 70 degrees and you want the alarm to trigger 10 degrees above this value you will enter the 10 as shown above Time Value The Time Value that must be met in order to...

Страница 107: ...ice ON OFF CO2 Light etc if channel 1 passes some threshold then activate channel 5 Example 2 Channel 1 is set as a two channel proportional device Vent Mixvalve Curtain if channel 1 goes above 50 the...

Страница 108: ...ment usage by changing more gradually rather than by waiting until conditions have already changed Heating Demand Design Delta 45 0 F Max OLight 1200W m2 Max Wind 80mph Design Delta The Design Delta i...

Страница 109: ...ool When Active Cool is Disabled the controller will operate only in stage based cooling 6 stages of cooling However when Active Cool is Enabled fixed stage based control is turned off and chilled wat...

Страница 110: ...cccccccccccccccccccccccccccccc...

Страница 111: ...Appendix iGrow 1800 User Manual Supplement Advanced Auxiliary Controls User s Manual October 2015 Edition Version 1 0...

Страница 112: ...04 Table of Contents What are Advance Auxiliary Controls 108 Getting Started with Auxiliary Controls 109 Typical Conditional Statement 112 Example of Conditional Statement Priorities 116 2 OPERATOR CO...

Страница 113: ...n They act as override to the built in controls For example Link4 has provided a set of built in controls for a typical Ventilation system However the user can use the AACs to override the Vents expec...

Страница 114: ...y your auxiliary control to Locate the Zone Settings control box in the lower left Select Aux Controls This will bring up the Advanced Aux Controls window On the iGrow 1800 there will always be a Zone...

Страница 115: ...sample control statement will appear This example aux control will not do anything funtionally The control statement is in the form of a conditional statement if x condition then result y Select Edit...

Страница 116: ...uration before the statement can be executed ACTION If the condition was successful met i e It was TRUE for the entire duration of the CONDITION HOLD TIME then the ACTION would take place The action i...

Страница 117: ...tes Also once the temperature cools down below 87 5F we still want the Curtain to stay at 25 for 10 minutes before going back to where it needs to be according to the built in logic You might want to...

Страница 118: ...second operand place holder Click on that Again as previously the operands are shown in groups In this case look for a special group of operands that has numbers or values Select Number Value and ente...

Страница 119: ...m as shown below Once the condition has been met in this case Inside Temp 87 5F for 2 minutes then an action will take place The action is usually setting something This is the default already set Lea...

Страница 120: ...ld the action in this case keep the curtain at 25 eventhough the condition Inside Temp 87 5F is no longer met Click on the hold time box and enter in 10m for 10 minutes Next enter in a short comment d...

Страница 121: ...crucial In the example above we created a statement to open the Curtain if it is too warm inside the growth space Now we will add statement 2 to close the Curtain completely if the light level is exce...

Страница 122: ...the Inside Temperature statement by moving it to 2 the Light statement to 1 This is done by clicking on the upward arrow on the right of the statement 2 Then the new ACCs will look like this Click Upd...

Страница 123: ...iGrow 1800 Advanced Aux Controls Page 118 of 131 Link4 714 524 0004...

Страница 124: ...nt For example a digital input is either 0 or 1 So you could write When Digital 1 is 0 or just write When Digital 1 In other words just omit the 0 portion of the statement The 2 operator condition is...

Страница 125: ...ose the Outside Humidity operand all the way to the bottom of the list As you can see a place holder for the second operator is automatically presented Click on it and select the less than operator No...

Страница 126: ...row 1800 Advanced Aux Controls Page 121 of 131 Link4 714 524 0004 Then set the Target Equipment and Value If done properly you should get the conditional statement 3 as shown below Click Update to sav...

Страница 127: ...However the ACTIONs can be stored in a variable so that it can be used again in another control statement Let s illustrate this with an example First let s say you have a Pump equipment that drains th...

Страница 128: ...ls Page 123 of 131 Link4 714 524 0004 First let s say the pump is on output 12 First create a variable and call it Main Pipe Water Sensor Go to the Zone Master Variable tab in the AACs Name the variab...

Страница 129: ...iGrow 1800 Advanced Aux Controls Page 124 of 131 Link4 714 524 0004 Before the variable name can be used you need to click Update Exit the AAC panel and come back in again...

Страница 130: ...iGrow 1800 Advanced Aux Controls Page 125 of 131 Link4 714 524 0004 Now use the familiar process to create a new conditional statement 4...

Страница 131: ...ET PARAMETER to a variable and choose the name Main Pipe Water Sensor as shown Then set the value to 1 in the event that Digital Input 1 ON for 1 minute Now that we have created statement to set the v...

Страница 132: ...get Parameter and Value to turn the return pump on when there s water in the pipe Add in the hold time and comment and save statement 5 It s worth noting that statement 5 is an example of Zero Operato...

Страница 133: ...d Aux Controls Page 128 of 131 Link4 714 524 0004 Setting the alarm based on a combination of water present and water temperature is a bit more complex First detect if the water is present Then choose...

Страница 134: ...iGrow 1800 Advanced Aux Controls Page 129 of 131 Link4 714 524 0004 Now build the temperature conditional statement Now set the action to turn the alarms on...

Страница 135: ...age 130 of 131 Link4 714 524 0004 Set hold time comments and save The completed statements should look like below Click Update to save Now as example of debugging there is actually a problem with the...

Страница 136: ...524 0004 Examine statement 8 below We will move it to the 5th position Now when there s no water the variable will be set to 0 Without 5 this variable goes to 1 to indicate water present but still sta...

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