Installation Manual
Contents
1. 3 White green 3 White orange 4 Green 4 Orange 5 White orange 5 White green 6 Orange 6 Green 10 Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 Part No 600 01100 100 Rev 1 Installing and Wiring the Thermostat Figure 5 shows the RJ 45 Ethernet plug pinout assignments for the T568A and T568B wiring standards Figure 5 RJ 45 Ethernet Plug Pinout Assignments for T568A and T568B T568A T568B Pia4 8aTs RJS Plug Table 5 describes the pinout assignments for the T568A and T568B wiring standards Table 5 1T568A and T568B Pinout Assignments Pin Number T568A Wire Color T568B Wire Color 1 Green White Orange White 2 Green Orange 3 Orange White Green White 4 Blue Blue 5 Blue White Blue White 6 Orange Green 7 Brown White Brown White 8 Brown Brown Mounting the Thermostat into the Base Plate The Ultra Zone Internet Zone Thermostat contains jumpers to configure the HVAC power settings The power settings determine which HVAC power source RH or RC is configured to turn on each HVAC system cool heat and fan Most applications use only RH power The Ultra Zone Internet Zone Thermostat is shipped from the factory with the RH Only configuration Table 6 lists the possible HVAC power configurations RC and RH are connected with J1 inserted Table 6 HVAC Power Configuration HVAC Power Configuration J2 J1 RH only default Supplies W1 W22. into the corresponding receptacle holes in the top of the base plate Snap the bottom of the thermostat securely into the base plate Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 Part No 600 01100 100 Rev 1 Installing and Wiring the Thermostat Verifying the Thermostat s Operating Status oOo oo WO N oOo ao WO PN b amp b O N This section describes the procedures you can use to verify that the heat cool and fan controls are operating properly on your thermostat Before you begin verify that the HVAC system s power is set to On and press HVAC on the thermostat panel Testing the Heat Controls Press HVAC Press Mode A menu list appears Use the Up and Down arrows on the right side of the panel to select Heat Press Select Press Back Continuously press the Up arrow until the heat set point is higher than the temperature reading The heat relay should click and the HVAC system should activate the heat Testing the Cool Controls Press HVAC Press Mode A menu list appears Use the Up and Down arrows on the right side of the panel to select Cool Press Select Press Back Continuously press the Down arrow until the cool set point is lower than the temperature reading The cool and fan relays should click and the HVAC system should activate the cool and fan Testing the Fan Operation Press HVAC Press Fan A menu list appears Use the Up and Down arrows on the right side
3. Use Table 2 and Figure 2 and Table 3 and Figure 3 to complete the wiring Table 2 lists the standard HVAC terminal label and the corresponding EWC label required to support the Single Stage Heat Pump application Table 2 Single Stage Heat Pump Terminal Conversion Chart Standard EWC IZT 100 and IZT 250 Terminal Terminal R RH RH 24VAC source RC RC 24VAC source C C 24VAC common W W1 wi Auxiliary heat relay Y Y1 Y1 Compressor relay B W2 RV activate for heat relay O Y2 RV activate for cool relay G G Fan relay S1 or Contact closure common IZT 250 only CM H Contact closure Normally Open or Normally Closed IZT 250 only See Table 7 The 24VAC common must be in the same AC phase as the 24VAC source RH or RC If the thermostat is connected to RH only or RH and RC then C must be the RH common If the thermostat is connected to RC only then C must be the RC common Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 Part No 600 01100 100 Rev 1 Installing and Wiring the Thermostat Figure 2 shows an example of a Single Stage Heat Pump HVAC system with a B type reversing valve connecting to an EWC base plate Figure 2 Single Stage Heat Pump HVAC Connections Reverse for Heat B Auxiliary Heat Square Hole EWC Base Plate Note A heat pump is either a reverse for heat B or reverse for cool O
4. Y1 Y2 G POS1 IN RC only Supplies W1 W2 Y1 Y2 G POS1 IN RH and RC RH supplies W1 W2 G and RC supplies Y1 and Y2 POS1 OUT RH and RC RH supplies W1 and W2 and RC supplies Y1 Y2 G POS2 OUT Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 11 Part No 600 01100 100 Rev 1 Installing and Wiring the Thermostat 2 12 The general purpose contact closure can be configured for Normally Open or Normally Closed The contact closure will be in these states upon power failure or deactivation of an event Table 7 shows the configuration of jumper J9 Figure 6 shows the location and positions of jumper J9 on the IZT 250 Table 7 Contact Closure Configuration for Jumper J9 Configuration J9 Pins Normally Closed POS1 Top and middle Normally Open POS2 Middle and bottom Figure 6 shows the location of the jumpers on the thermostat circuit module The jumper in J2 supports an Up POS1 or Down POS2 position The example in Figure 6 shows the J2 jumper in the Up position If necessary move the jumper downward to the POS2 position Figure 6 Thermostat Jumper Locations DI are T O q J i lo H m eli ee ao p Prior to mounting the thermostat into the base plate verify that the jumpers on the thermostat are configured for your application see Table 6 To mount the thermostat into the base plate Mount the thermostat into the base plate see page 3 by inserting the top two hinges
5. in heat mode see page 13 Verify the HVAC system is powered on page 13 HVAC cool does not activate when tested Verify you decreased the cool set point lower than the temperature reading and the thermostat is in cool mode see page 13 Verify the HVAC system is powered on page 13 HVAC fan does not activate when tested Check the base plate wiring see page 4 or page 6 Verify the HVAC system is powered on page 13 14 Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 Part No 600 01100 100 Rev 1
6. model The Ultra Zone IZT 100 uses Y2 for reverse cool and W2 is used for reverse heat Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 7 Part No 600 01100 100 Rev 1 Installing and Wiring the Thermostat Table 3 lists the standard HVAC terminal label and the corresponding EWC label required to support the Dual Stage Heat Pump application Table 3 Dual Stage Heat Pump Terminal Conversion Chart Standard EWC IZT 250 Terminal Terminal R RH RH 24VAC source RC RC 24VAC source C C 24VAC common W W1 Wil Auxiliary heat relay Y Y1 YI Compressor relay stage 1b B O w2 RV activate for heat cool relay Y2 Y2 Compressor relay stage 24 G G Fan relay S1 or Contact closure common CM H Contact closure Normally Open or Normally Closed See Table 7 The 24VAC common must be in the same AC phase as the 24VAC source RH or RC If the thermostat is connected to RH only or RH and RC then C must be the RH common If the thermostat is connected to RC only then C must be the RC common Provides stage 1 heat or cool depending on the activation of the RV The RV is either activate for heat B terminal or activate for cool O terminal You can program this function on the relay output through the web interface and the LCD screens Consult your HVAC installer about the RV type for your heat pump Provides stage 2 heat or cool depending on the activation of the RV 8 Ultra Zone Internet
7. No 600 01100 100 Rev 1 Overview The Ultra Zone Internet Zone Thermostats provide a rich set of innovative features including the ability to configure settings through a graphical interface either locally or from any remote location The thermostats can be connected via secure wired Ethernet to a home small business or light commercial data network This guide describes how to physically install the IZT 100 and IZT 250 thermostats Any instructions or guidelines that apply to a specific thermostat model are noted within this guide The following model specific features are important to note during the installation IZT 100 Supports HVAC system power with 24VAC Dual Stage Fuel Burner HVAC 2h 2c m Single Stage Heat Pump HVAC with auxiliary heat 2h 1c IZT 250 Supports HVAC system power with 24VAC Two remote thermal sensors either Analog or Thermistor on the IZT 250 Dual Stage Fuel Burner HVAC 2h 2c Dual Stage Heat Pump HVAC with auxiliary heat 3h 2c Independent alarm notification on external sensors Installing the Thermostat Caution This section describes the required tools guidelines and installation instructions for Ultra Zone Internet Zone Thermostats Preventing electrostatic discharge ESD Static electricity may cause damage to the components on the thermostat s circuit module Do not remove the thermostat from the protective bag until you are ready to install the thermostat
8. Required Tools The following tools are required to install the Ultra Zone Internet Zone Thermostat 1 or 2 Phillips head screwdriver a Drill with a 3 16 or 7 32 bit Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 Part No 600 01100 100 Rev 1 Installation Guidelines Installation Guidelines Use the following guidelines to install the Ultra Zone Internet Zone Thermostat tS If you are replacing an existing thermostat mount the Ultra Zone Internet Zone Tip Thermostat in the same location as the thermostat in which you are replacing Install the thermostat on an inside wall about 5 feet 1 5m above the floor and in a room that is used often m Install the CATS CATSE CAT 6 cabling from the wiring center to the thermostat installation site Install the thermostat in an area or room with adequate air circulation and where there are no unusual heating cooling conditions such as sunlight near a lamp radio television radiator register or fireplace near hot water pipes in a wall near a stove on the other side of the wall on a wall separating an unheated room or in a draft from a stairwell door or window in a corner or alcove or behind an open door Install the unit after all construction work and painting is complete Install the unit in an unobstructed location where there are no objects on the wall above or below the thermostat or other obstructions such as furniture restricting vertic
9. Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 Excellence Without Compromise CONTROLS INC Part No 600 01100 100 Rev 1 April 2007 Technical Support Warranty Information Material Return Procedure When contacting EWC Controls Inc for technical assistance please have the following information available m Product model and serial number m Type of heating cooling system example gas oil or electric warm air hot water heat pump steam or hybrid m Location and number of wires attached to your Ultra Zone thermostat For additional assistance please contact EWC Controls Inc Technical Support 9 00 AM to 5 00 PM Eastern Standard Time Monday to Friday Web www ewccontrols com Email info ewc com Telephone 1 800 446 3110 Fax 1 732 446 5362 EWC Controls Inc warrants its products to be free from manufacturing defects in materials and workmanship under normal use for a period of 1 year for the IZT 100 and the IZT 250 model thermostats from the date of purchase or the verifiable date of installation EWC Controls Inc shall not be liable to honor the terms of this warranty if the product has been used in any other application other than that for which it was intended or if it has been subjected to misuse accidental damage acts of God modification or improper installation procedures Furthermore this warranty covers only products which have all original and unaltered mark
10. Zone Thermostat Installation Guide Release 1 0 Part No 600 01100 100 Rev 1 Installing and Wiring the Thermostat Figure 3 shows an example of a Dual Stage Heat Pump HVAC system with reversing valve activated for heat or cool connecting to an EWC base plate Figure 3 Dual Stage Heat Pump HVAC Connections Auxiliary Heat Compressor 1 Single Stage Square Hole EWC Base Plate Configuring Remote Sensors for the IZT 250 The Ultra Zone Internet Zone Thermostats provide two remote external sensor ports This release supports Analog and Thermistor sensors go to www ewccontrols com for a complete list of supported sensors Analog sensors convert temperature measurements as Fahrenheit degrees to a voltage which can be sensed by the thermostat Analog sensors are active devices which require power from the thermostat The Analog sensor is polarized and must be connected as shown in Table 4 Thermistor sensors are passive devices which represent thermal measurements as electrical resistance Thermistors do not require power from the thermostat The Thermistor sensor is not polarized either lead can be connected as shown in Table 4 Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 9 Part No 600 01100 100 Rev 1 Installing and Wiring the Thermostat Table 4 lists the external sensor port Analog and Thermistor connections Only one sensor can be connected to each port Tabl
11. al airflow Itis not necessary for the thermostat to be level a Prior to installing or servicing the thermostat turn off electricity to the entire Caution HVAC system do not turn electricity back on until all work is complete Do not jumper wires together to test the system This may cause harm to your HVAC system and damage the thermostat and therefore void the warranty All wiring must conform to local codes and ordinances The distance between CAT5S CATSE CAT6 cables and HVAC cables should be a minimum of one inch Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 Part No 600 01100 100 Rev 1 Before you Begin Before you Begin Note If you are removing an existing thermostat EWC recommends that you label each connection as you remove the wiring You will use these same wires and labels when you connect the Ultra Zone Internet Zone Thermostat page 4 Use the following steps to remove an existing thermostat Turn off power to the entire HVAC system or the fuse circuit breaker panel Remove the cover from the existing thermostat If the cover does not snap off when pulled firmly from the top or bottom check for a screw s that may be used to secure the cover Disconnect each wire Label the wires with the terminal designation from the existing thermostat Place the label about 1 2 away from the end of the wire to allow for stripping of the ends Note If this is a new installation obtain the wir
12. e 4 Remote Sensor Port Connections EWC Analog Sensor Thermistor Sensor Contact Closure Sensor Terminal Sl Do Not Use Do Not Use Do Not Use S1 COM Sensor 1 Either lead Contact Closure 1 Either lead S1 T20 Sensor 1 Either lead Contact Closure 1 Either lead S2 or S V for S1 and S2 sensors Do not use Do not use S2 COM Sensor 2 Either lead Contact Closure 2 Either lead S2 T20 Sensor 2 Either lead Contact Closure 2 Either lead Do not connect either lead to the S1 S2 or S terminal when using a Thermistor sensor Connecting CAT5 CAT5E CAT6 Wiring for Ethernet Networks The label located on the inside of the base plate see Figure 4 shows several color coded wiring schemes for Ethernet CAT5 CAT5E CAT6 connections To wire the Ethernet network refer to Figure 4 and match the label number to the EWC base plate number for CAT5 CAT5E CAT6 color coding A All wiring must conform to local codes and ordinances The distance between CAT5 CATSE CAT6 cables and HVAC cables should be a minimum of one inch Caution Figure 4 shows an Ethernet CAT 5 wiring example Figure 4 Ethernet CAT5 CAT5E CAT6 Wiring aS e LEF SE EEPE TI F j T m race baa at mi Fam Fa m I ae s meega _ k O T568A T568B 1 White blue and blue ends stripped and twisted 1 White blue and blue ends stripped and twisted 2 White brown and brown ends stripped and twisted 2 White brown and brown ends stripped and twisted
13. e corresponding terminal letter on the EWC base plate 2 Strip the wire insulation 3 8 9 5 mm from the wire ends A strip gauge is provided on the base plate label Verify that the wire ends are straight To avoid damaging the labels use caution when handling the wires and push any excess wire back into the wall 3 Using Figure as a guide connect the labeled wires to the terminal post with the corresponding letter on the EWC base plate For example connect the wire labeled W1 to the W1 terminal post Loosen the terminal post screw used to secure the wires Insert the wire straight down into the square hole and secure the corresponding screw to the wire AN To avoid damage to the EWC base plate stop unscrewing the terminal post screws Caution when you feel a slight stop or resistance 4 Verify that the wire is securely attached to the terminal post in the base plate by gently tugging on the wire Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 5 Part No 600 01100 100 Rev 1 Installing and Wiring the Thermostat Heat Pump HVAC Use the instructions in this section to wire the base plate terminals for Heat Pump HVAC You must know the type of Reversing Valve RV in your heat pump See the user Note manual for your heat pump for more information To wire the base plate terminals for Heat Pump HVAC refer to the labels you placed on the wires when you removed the existing thermostat page 1
14. e designations from the HVAC installer Remove the existing thermostat from the wall Installing and Wiring the Thermostat This section describes a two step installation process in which you install or mount the thermostat base plate and wire the thermostat Installing the Base Plate Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 Perform the following steps to mount the thermostat base plate on the wall Review the Installation Guidelines on page 2 and position the base plate in an appropriate location on the wall Ensure the location allows you to access and pull the wires through the opening in the base plate Using a pencil mark the center of the screw holes on the left and right side and bottom center of the base plate Remove the base plate from the wall and drill three holes at the marked locations for drywall drill 3 16 holes for plaster drill 7 32 holes Gently tap the wall anchors included in the packaging into the drilled holes until they are flush with the wall Pull the wires through the base plate and position the base plate over the screw holes Attach the base plate to the wall using three 1 screws included in the packaging Part No 600 01100 100 Rev 1 Installing and Wiring the Thermostat Wiring the Base Plate Terminals This section describes how to wire the base plate terminals Fuel Burner HVAC Use the instructions in this section and refer to Table 1 and F
15. igure 1 to wire the base plate for Fuel Burner HVAC Refer to the labels you placed on the wires when you removed the existing thermostat page 1 Table 1 lists the standard HVAC terminal label and the corresponding EWC label required to support the Single Stage and Dual Stage application Table 1 Fuel Burner Terminal Conversion Chart Standard EWC IZT 100 and IZT 250 Terminal Terminal R RH RH 24VAC source RC RC 24VAC source C C 24VAC common W W1 wi Stage 1 heat relay Y Y1 Y1 Stage 1 cool relay W2 W2 Stage 2 heat relay Y2 Y2 Stage 2 cool relay G G Fan relay S1 or Contact closure common IZT 250 only CM H Contact closure Normally Open or Normally Closed IZT 250 only See Table 7 The 24VAC common must be in the same AC phase as the 24VAC source RH or RC If the thermostat is connected to RH only or RH and RC then C must be the RH common If the thermostat is connected to RC only then C must be the RC common 4 Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 Part No 600 01100 100 Rev 1 Installing and Wiring the Thermostat Figure 1 shows an example of a Single Stage shown in yellow and Dual Stage shown in blue HVAC system connecting to an EWC base plate Figure 1 Single Dual Stage HVAC Connections HVAC System Square Hole EWC Base Plate 1 Use Table 1 to match the letter of your existing thermostat wire to th
16. ings and labels serial numbers model numbers etc of manufacture This limited warranty does not cover the repair of cracked scratched broken or modified plastics other cosmetic damage or parts that have been altered defaced or removed or the scratching cracking or breakage of the product This warranty is not transferable THE FOREGOING WARRANTIES ARE THE SOLE AND EXCLUSIVE WARRANTIES EXPRESSED OR IMPLIED GIVEN BY EWC CONTROLS INC INCONNECTION WITH THE PRODUCT AND EWC CONTROLS INC DISCLAIMS ALL IMPLIED WARRANTIES INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS EWC CONTROLS INC DOES NOT PROMISE THAT THE PRODUCT IS ERROR FREE OR WILL OPERATE WITHOUT INTERRUPTION EWC CONTROLS INC WILL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OR FOR ANY OTHER LOSSES EXPENSES OR DAMAGES RELATING TO PRODUCT DEFECTS OR FAILURES CUSTOMER S SOLE REMEDY AND EWC CONTROLS INC S SOLE OBLIGATION WITH RESPECT TO ANY PRODUCT DEFECTS OR FAILURES REGARDLESS OF WHETHER YOUR CLAIM IS ASSERTED IN CONTRACT TORT STRICT LIABILITY OR OTHERWISE SHALL BE AT EWC CONTROLS INC S SOLE OPTION REPAIR OR REPLACEMENT OF A FAULTY MODEL IN NO EVENT WILL EWC CONTROLS INC S LIABILITY WITH RESPECT TO A PRODUCT EXCEED THE PRICE PAID FOR SUCH PRODUCT This warranty statement supersedes all previous warranties This warranty extends to products purchased directly from an author
17. ized Ultra Zone dealer wholesale distributor or agent No merchandise may be returned for credit exchange or service without prior authorization from EWC Controls Inc To obtain warranty service for Ultra Zone products contact EWC Controls Inc Technical Support 1 800 446 3110 and request a Return Goods Authorization RGA number Products may be returned for credit exchange or service with an EWC Controls Inc RGA number and with proof of purchase and installation date Enclose a note explaining the symptoms of the problem stating the RGA number and the name address and phone number of the company or individual contact Authorized returns must be shipped prepaid to EWC Controls Inc at EWC Controls Inc 385 Highway 33 Englishtown NJ 07726 Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 Part No 600 01100 100 Rev 1 FCC Model IZT 100 and IZT 250 Made in the USA This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation CSA Power 24VAC 45mA 60Hz 48VDC 22mA 60Hz Switched power each contact 24VAC 2A 60Hz Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 iii Part No 600 01100 100 Rev 1 Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 Part
18. of the panel to select On Press Select The fan relay should click and the fan should turn on Ultra Zone Internet Zone Thermostat Installation Guide Release 1 0 13 Part No 600 01100 100 Rev 1 Logging In to the Thermostat Via your PC Logging In to the Thermostat Via your PC Log in to the TMI as the Administrator as follows 1 Assign an IP address to your new thermostat via your DSL or Broadband Router A OO N Enter the IP address into the address bar on your Internet browser Enter the username admin Enter the password admin default See the Ultra Zone IZT 100 Configuration Guide for more information What s Next After you install the thermostat continue with the Configuration Guide to Tip configure thermostat settings and the Remote Management Guide to manage the thermostat remotely via the EWC Remote Management server You can access these guides at www ewccontrols com in the User Manuals area Troubleshooting Use Table 8 to troubleshoot potential issues with your thermostat Table 8 Troubleshooting Tips Condition Possible Cause LCD display is blank Verify that the Common from the primary transformer source either RH or RC is connected to the C terminal Either RH or RC 24v source must be connected Verify the HVAC system is powered on HVAC heat does not activate when tested Verify you increased the heat set point higher than the temperature reading and the thermostat is
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