EWC Controls ULTRA-ZONE ULTRA-TALK UT-3000 Manual Download Page 47 | Manualshive

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background image

©

2015

Goodman

Manufacturing

Company,

L.P.

Troubleshooting



LCD

&

LED’s

are

responding

properly,

but

HVAC

system

is

malfunctioning.



Bias

DC

voltages

are

incorrect.

Solutions



Check

zone

system

wiring

for

shorts/

improper

wiring.



Test

wires

for

continuity/

shorts.



Check

BIAS

DC

voltages.



Ensure

that

BIAS/

terminal

switches

on

the

UT

‐

3000

panel

and

outdoor

units

should

be

set

to

the

off

position.



Check

HVAC

equipment

for

faults

via

a

communicating

thermostat

and

clear

all

faults.

Symptom

2

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...
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»

Summary of Contents for ULTRA-ZONE ULTRA-TALK UT-3000

Page 1: ... 2015 Goodman Manufacturing Company L P 68 74 74 76 68 76 76 74 UT 3000 Zoning Control ...

Page 2: ... 2015 Goodman Manufacturing Company L P Zone Control Features Installation Programming and Set up LCD Screens Troubleshooting and Bias Data Voltages Agenda ...

Page 3: ...ation or 24V legacy HVAC systems Up to five zones using 24V motorized dampers 100 plug and play when connected to communicating HVAC system and network thermostats Modulating and staged operation auto equipment recognition and dual fuel functions Precise control of supply air target and limit set points ...

Page 4: ...motorized dampers Can be expanded to five 5 zones by twinning two 2 UT 3000 controls together refer to EWC TB 241 for instructions on twinning Controls any communicating HVAC system based on Climate Talk open protocol or any 24V 2 heat 1 cool gas electric system 24v 2 heat 1 cool conventional or dual fuel heat pump Climate Talk ...

Page 5: ...Zone Control Features The liquid crystal display rotates to show each zones demand Liquid Crystal Display The outside and supply air temperatures are also displayed The display will show the thermostat demand input and the HVAC system output ...

Page 6: ... Four buttons are provided just below the LCD screen The buttons are used to scroll through the menu on the LCD and make your selections Also used to program the UT 3000 and select the features you like 4 Button LCD Programming Back Forward Select Up Select Down ...

Page 7: ... s provide visual indication of the HVAC system status and current mode of operation A total of three 3 green damper LED s labeled zone 1 through zone 3 indicate which dampers are energized to open Zone 1 LED 12 Zone 2 LED 11 and Zone 3 LED 10 System LED s and Damper LED s ...

Page 8: ...n pulsing LED s are provided to indicate if a communication link has been established between each communicating t stat and the communicating HVAC system A series of rapid and random pulses indicate a successful comm link and data transmission LED s 19 20 21 and 22 Communicating LED s ...

Page 9: ...rature Control Table 1 From EWC Controls Technical Bulletin TB 241 Feature Default Range to Select System Type Heat Cool Heat Pump or Heat Cool HP Type NON Dual Fuel Dual Fuel or Non Dual Fuel T Stat Type Heat Cool Heat Pump or Heat Cool Rev Valve RV O O Type RV or B Type RV Fan Mode Gas GAS or HYDRO Electric OAS SP 15 OFF or 7 to 42 F O T Offset 15 5 to 20 F U T Offset 8 5 to 10 F SAS HP TGT 100 ...

Page 10: ... a SPDT indoor air quality IAQ dry relay This relay has a digital or 24v input trigger that can be used to interlock and control ancillary devices Fresh air damper Whole house humidifier Whole house dehumidifier via the ComfortNet system Energy recovery ventilator Ancillary IAQ Dry Relay Provided ...

Page 11: ...tion can be utilized via a auxiliary controller attached to the R C and Relay terminals in zone 1 When the auxiliary controller initiates the call terminals NO and C on the dry relay will close This connection will bring on your ancillary IAQ device Ancillary IAQ Dry Relay Operation ...

Page 12: ... 2015 Goodman Manufacturing Company L P Zone Control Features Ancillary IAQ Dry Relay Locations on UT 3000 ...

Page 13: ... Manufacturing Company L P Zone Control Features Configurations and Types of Thermostats Used UT 3000 Communicating T Stats in all zones UT 3000 1 Communicating T stat 2 24v T Stats UT 3000 24v T stats in all zones ...

Page 14: ... 2015 Goodman Manufacturing Company L P Zone Control Features Installation Programming and Set up LCD Screens Troubleshooting and Bias Data Voltages Agenda ...

Page 15: ... housing Preferred locations would be a return duct nearby wall or convenient studs where plywood can be installed to support the housing AVOID Supply duct air handler furnace housing evaporator housing or hot water coils of any type Follow national and or local electrical codes Mounting Control Board ...

Page 16: ...r to power the UT 3000 Follow NEC and or local electrical codes Power and Wiring R C Install a Separate Transformer To Power the UT3000 Power Supply To Protected Line Voltage OPTIONAL Condensate Pump Safety Float Switch To Zone Control Panel Field Supplied Dedicated Listed Transformer 24vac 40va Min 60va Max ...

Page 17: ... 2015 Goodman Manufacturing Company L P ...

Page 18: ... if you use standard 18 4 wiring it might have slightly different colors Choose your color codes and stick with that same code throughout installation Power and Wiring Communicating Outdoor Heat Pump or Condensing Unit Communicating Air Handler or Furnace W Y G R G RH RC C JMP1 RC RH LINK C 2 1 R SYSTEM 1 2 R 1 2 R C WHITE YELLOW GREEN RED C ...

Page 19: ... L P Installation Standard 24vac damper control 2 or 3 wire Terminal PC 24vac power to close the damper Terminal PO 24vac power to open a damper Terminal C 24vac common neutral Wiring Dampers to Board Terminal Block Designation Function ...

Page 20: ...pers to a single terminal block before relay isolation is required You can only connect one 1 RSD or competitor s spring type damper to a single terminal block Three sets of damper wires can terminate piggyback into one damper terminal two shown here Wiring Multiple Dampers Into One Damper Terminal on the UT 3000 ...

Page 21: ...ons together That will ensure both 24v commons are at the same ground potential Thermostat Wire Between All Units WHITE YELLOW GREEN RED 1 C 2 R 1 2 R 1 2 R C C 230V 24VAC Outdoor Board Terminal Connections Field Installed or Dedicated Outdoor Transformer Indoor Board Terminal Connections UT3000 CTK04 CTK03 CTK02 CTK01 Use the spare wire 24VAC Hot 24VAC Common Data 1 Data 2 ...

Page 22: ... 2015 Goodman Manufacturing Company L P Zone Control Features Installation Programming and Set up LCD Screens Troubleshooting and Bias Data Voltages Agenda ...

Page 23: ...C system programming is not required plug and play The UT3000 will automatically configure the entire system and start running as soon as thermostat demands are detected Allow at least 2 4 minutes for all thermostats and the HVAC system to fully configure on the network Program Communication HVAC System ...

Page 24: ...ystem you simply scroll thru the LCD menu and select the type of HVAC system you have Then select the type of thermostats you would like to use The Default Supply air temperature targets and offset limits will be used or you can adjust your own settings Program Conventional HVAC System Pg 3 in EWC TB 241 ...

Page 25: ...plete run the system thru it s paces and observe the operation of the HVAC system in all possible modes of operation Check the zone dampers for proper operation Example Zone 2 is calling for fan and the remaining zones are idle Finish Observe Zone System in Operation Zone 2 Calling for Fan ...

Page 26: ...le and no zones are calling When a zone calls the dampers for that zone will remain open and will have a green light illuminated on those damper motors The remaining zone dampers that aren t calling will start to close and a red light will illuminate when they are fully closed Finish Default Operation of Dampers ...

Page 27: ... 2015 Goodman Manufacturing Company L P ...

Page 28: ... 2015 Goodman Manufacturing Company L P ...

Page 29: ...ol Set up Once you are up and running you can still program certain functions Your program changes take effect in real time and will remain even after a power failure Refer to EWC TB 241 for all programming options and instructions Programming Options ...

Page 30: ... back buttons to navigate through the menu features until you reach your selection Once you reach the desired feature use the up or down buttons to change that feature When the LCD resumes scrolling the change will take effect Programming Options Back Forward Select Up Select Down ...

Page 31: ...nes are calling and the weight of each zone Y1 Y2 W1 W2 and modulating furnaces System Cool Demand Starting Output based on 3 zone demand input Total Zone Demand Input T Total Number of Zones Z System Demand Output SYS System Demand Output 110 3 37 Y1 Cool is active T Z SYS Total Zone Demand Input 30 30 50 110 Total Zone Demand Input T ...

Page 32: ...erter would start operating at 37 capacity 48 000 btu s x 37 17 760 btu s or approximately 1 5tons of cooling required System Cool Staging Scale On at 4 ton system the Inverter would start operating at 37 capacity 17 760btu 1 5ton 0 100 OFF Y2 Y1 10 50 37 System cool demand Y2 Threshold Startup ...

Page 33: ... L P Zone Control Set up 1 Calculate System Demand Output 2 Calculate percentage of required cooling in btu s 3 Determine what threshold your HVAC system operate in on start up STUDENT EXERCISE System Cool Staging for a 5 Ton HVAC System ...

Page 34: ... 2015 Goodman Manufacturing Company L P Zone Control Features Installation Programming and Set up LCD Screens Troubleshooting and Bias Data Voltages Agenda ...

Page 35: ... the system is running the LCD screen will scroll and display data screens continuously Each zone will be displayed in order zone 1 zone 2 etc The zone screen will present the demand for each of the following Heating demand h000 Cooling demand c000 Fan demand f000 Understanding LED Screens ...

Page 36: ...5 This indicates the presence of a communicating thermostat in zone 1 whose demands are given a weighted value due to it s proportional capability Communicating thermostats have demands of 0 30 60 85 100 etc Zone 2 is calling for heat 30 fan hasn t been energized yet Understanding LED Screens ...

Page 37: ... SYS to the HVAC equipment In the previous starting system cool demand output example the UT 3000 is demanding 37 cooling capacity and 37 fan capacity 1st stage cooling Y1 is active If the cooling target set point is not satisfied before reaching 51 SYS Output Y2 will energize System Output Percentage ...

Page 38: ... the program up button one time Then select the screen you want to view by using the up or down buttons The LCD will stay locked on that screen for 10 minutes then resume scrolling again You can unlock the screen by pushing the forward button one time Lock Pause Screen Back Forward Select Up Select Down ...

Page 39: ... supply air temperature to the HVAC system target set points The UT 3000 will increase by 1 increments or decrease by 2 increments the system demand output in order to increase or decrease HVAC system capacity If the Supply Air Sensor is disconnected or fails the UT3000 will display the bad sensor screen and will default to the timed mode staging until the zone thermostat demands are satisfied Sup...

Page 40: ...is value can be from the communicating HVAC system or from a sensor connected to the UT 3000 If the OAS sensor fails or is disconnected the UT 3000 will display the bad sensor screen and will default to emergency mode If you do not want to use an OAS to stage the system adjust disable the OAS set point value down to the off position Outside Air Temperature ...

Page 41: ...and scroll through the menu until you reach the OAS SP outdoor air set point screen Press the down button until you reach the OAS SP OFF option Select this option and allow the screen to resume operation This option is now disabled and the next OAS SP screen will display OAS Sensor N A Disable Outside Air Temperature Sensor Back Forward Select Up Select Down ...

Page 42: ... 2015 Goodman Manufacturing Company L P Zone Control Features Installation Programming and Set up LCD Screens Troubleshooting and Bias Data Voltages Agenda ...

Page 43: ... ComfortNet controlled system Never move the bias switches on the communicating furnace or air handler If necessary move the bias switches on the outdoor unit Never move the termination switches on the zone controller The zone controller switches should remain in the off position Bias Data Voltages ...

Page 44: ...functioning Communicating thermostat may display fault messages Solutions Check HVAC system and UT 3000 24vac transformers for proper voltage Check system wiring for shorts or improper wiring Test damper wires for continuity shorts Check zone thermostats for shorts improper wiring Check BIAS DC voltages Symptom 1 ...

Page 45: ... 2015 Goodman Manufacturing Company L P Troubleshooting To the thermostats Data 1 C 2 8 VDC Data 2 C 2 2 VDC Check BIAS DC Voltages to the Thermostats ...

Page 46: ...5 Goodman Manufacturing Company L P Troubleshooting HVAC System Input Terminal Data 1 C 1 9 VDC Data 2 C 1 3 VDC or Data 1 C 2 8 VDC Data 2 C 2 2 VDC Check BIAS DC Voltages at the HVAC System Input Terminal ...

Page 47: ...ages are incorrect Solutions Check zone system wiring for shorts improper wiring Test wires for continuity shorts Check BIAS DC voltages Ensure that BIAS terminal switches on the UT 3000 panel and outdoor units should be set to the off position Check HVAC equipment for faults via a communicating thermostat and clear all faults Symptom 2 ...

Page 48: ...shooting Make sure that the BIAS terminal switches on the UT 3000 panel and outdoor units are set to off Check BIAS DC voltages Check BIAS DC Voltages and Set Dip Switches to Off Data 1 C 2 8 VDC Data 2 C 2 2 VDC OR Data 1 C 1 9 VDC Data 2 C 1 3 VDC ...

Page 49: ...heck damper motor wiring for proper connections Check damper motor 24volt 500mA breaker auto reset overcurrent protection device located on board Test wires for continuity shorts Check damper motor wiring for shorts improper wiring Test wires for continuity shorts Refer to page 12 of EWC technical bulletin TB 241 for correct damper wiring Symptom 3 ...

Page 50: ... Adjust thermostat in the zone with dampers not functioning to call for cool or heat Set meter to ac voltage and test power at dampers while zone is calling 24VAC should be present at C and PO when the dampers are opening Step 1 Check Damper Motor Voltages ...

Page 51: ...ard output to the dampers not responding If no power the 500mA breaker could be tripped Disconnect power to board remove damper wires and retest If power is restored the 500mA breaker reset itself Check disconnected wiring back to damper for shorts Step 2 Check Power Being Supplied to Damper via Board ...

Page 52: ...Check HVAC UT 3000 system transformer supply voltage Check HVAC UT 3000 system 24vac transformer voltage fuse and breakers Test all wires for continuity shorts shorts to common or shorts to earth ground Check damper motor wiring for proper connections Check HVAC UT 3000 system wiring for shorts and improper wiring Symptom 4 ...

Page 53: ...oodman Manufacturing Company L P Troubleshooting Set meter to ac voltage and test power at terminals R and C on UT 3000 Check Transformer Voltage If no 24VAC present test transformer supplying power to UT 3000 ...

Page 54: ...leshooting Time delay is active and won t allow heat or cool to function Solutions When troubleshooting simultaneously press the back and forward buttons for one second to bypass any active time delays Symptom 5 Back Forward Select Up Select Down ...

Page 55: ...ing EWC Controls provides superior troubleshooting and assistance for the UT 3000 when you are on the job site EWC Controls Technical Support EWC Controls Inc 385 Highway 33 Englishtown NJ 07726 800 446 3110 Monday Friday 8am 5pm EST www ewccontrols com ...

Page 56: ... 2015 Goodman Manufacturing Company L P 68 74 74 76 68 76 76 74 QUESTIONS ...

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