Forced Air Zone Controls
Contents
1. J 1 1 To LP 115 4 g 4 Effective 1 1 12 Forced Air Zone cg ontrols Supply Plenum Return Air HVAC Unit Phone 800 446 3110 Fax 732 446 5362 E Mail info ewccontrols com www ewccontrols com 385 Hwy 33 Englishtown NJ 07726 Table of Contents About EWC Inc In early 1961 EWC Incorporated was formed as a manufacturing company of power transformers for military and commercial use Today EWC Inc transformers are located on smart guided mis sile systems helicopters airplanes the space shuttle and many other applications The successful growth of this business allowed EWC to expand its manufacturing capabilities and enter into the HVAC industry Our vast experience in designing and manufacturing military components and power transformers for all applications led us to form EWC Controls in 1988 Today homeowners wholesalers and contractors rely on our vast expertise and experience to provide the most reliable comfort solutions for all applications Six 6 of the last Seven 7 years EWC Controls has won the Prestigious Dealer Design Awards by offering top quality innovative products The Dealer Design Awards are judged by industry professionals and awarded to Industry setting products In 2000 EWC introduced the first zone damper with directional LEDs 2004 saw EWC introduce the most complete comfort guide and package for wholesalers and contractors In 2011 E2. when ordering ND SRE 2 16 x 8 damper will the motor mounted the 8 dimension while an 8 To purchase these items separately add 100 00 Duct Board Ad apte rs The brackets are used to mount ND and ND RSD style dampers to fiberglass duct boards The brackets are 1 thick Add the number 5 to the part number for 1 5 thick duct board Ex DBA 10 5 Model List Price Model List Price DBA 6 24 00 DBA 16 48 00 DBA 8 26 00 DBA 18 50 00 DBA 10 30 00 DBA 20 52 00 DBA 12 36 00 DBA 22 54 00 DBA 14 47 00 DBA 24 56 00 Motorized Dampers Pricing for both ND amp ND RSD Side Mounts Bottom Mount PND 24 10 330 00 po ND24xl8 387 00 ND12x12 24002 ee eee ICT eee ee aaa ee ND 16x6 281 00 ND 16 14 317 00 po 28 340 2 2 4 462 00 moo ST ND 20x16 342 00 ND 20x18 ND 22x6 293 00 ND 22x8 297 00 ND 22x10 321 00 ND 22x12 331 00 ND 22x14 337 00 ND 22x16 357 00 ND 30x28 575 00 ND 18x24 387 00 ND 22x18 380 00 ND 30x30 603 00 ND 18x26 405 00 ND 22x20 401 00 Note Motor is always mounted on ND 20x22 401 00 ND 22x22 425 00 second dimension specified ND 20x24 404 00 Pricing for both ND amp ND RSD 13 Motorized Dampers MODEL URD Model URD amp RSD Round Dampers Model URD and RSD are round single blade dampers with a shutoff seal that gives the damper a 98 closure The motor for the URD has no moving switc
3. 2 AG 3 amp Slow Blow fuse for replacement on ST and STHP series ULTRA ZONE control panels Package contains 5 fuses List 16 00 T40 VA PT T40 V A F Plate mounted PT or Foot mounted F 24V 40VA trans former for use with ULTRA ZONE dampers and control systems List 30 00 RAC ULTRA ZONE OFF A DAMPER A SPDT illuminated switch used to replace a thermostat for manual damper control Face plate marked AC Damper List 55 00 FAC A SPDT illuminated switch used to replace a thermostat for manual damper control Face plate marked Fresh Air Damper List 55 00 AR DAMPER VAC One zone illuminated switch provides convenient set back of all zones from one location Used as an occupied unoccupied switch List 55 00 ULTRA ZONE on ore ONE ZONE MODE HCD Salesman s display of a complete 2 zone system in a neat easy to carry case List 855 00 MCS DXB Remote selector switch for use with ST series ULTRA ZONE Control panels List 90 00 EWT P Modulating Thermostat 0 10 VDC May control up to 10 dampers List 350 00 MP Manual Positioning for modulating dampers May control up to 10 dampers List 190 00 Two Position power open power closed actuator Use with standard opposed blade dampers MAN List 165 00 Motor replacement kit used for all styles of ND URD and RDN dampers List
4. 20X12 PRD 184 00 2000 CFM Calculated 3 W C Model PRD RD pressure regulating damper is a single blade round variation of a barometric relief damper This is the simplest most economi MODEL PRD RD cal way of bypassing excess Ody static pressure in multi zone applications Resistance is controlled by offsetting the arm and adjusting the weights The arm can be inserted into either side of the damper for added versatility Other sizes available upon request Additional Arms and Weights MODEL PRD Weight and Arm List Price 20 00 Box of 10 Model PRD Weights 10 List Price 99 00 Size List Price CFM 8 PRD RD 135 00 350 10 PRD RD 142 00 650 12 PRD RD 147 00 1000 14 PRD RD 157 00 1300 16 PRD RD 167 00 2000 CFM Calculated a 3 W C 15 Thermostats Internet Enabled Zone Control Thermostats IZT 250 List 1 530 Remotely Control and Monitor the 7 temperature and humidity in any Home Vacation Home Office Building Warehouse or in every zone of an Ultra Zone system Compatible with or up to 3 Stage Heat and 2 Stage Cool systems 24vac hard wired 366 day programming No software to load Wired Ethernet and Secure Web Server technology with reliable TCP IP pro tocol E mail or Text messaging Alarm Reporting service for High and Low temperature and High or low humidity Alerts the Contractor and the Homeowner Trigger events can activate the Emergen
5. 4 Dedicated Transformer 2 Zone Thermostats 5 By pass Damper If necessary 3 Zone Dampers Along with some thermostat wire the above are the only components that are needed to install an Ultra Zone system The above diagram shows a typical installation with all of the components needed for a zoning system 5 Ultra Zone Duct Design When laying out a duct system for a job that will include an EWC Controls zoning system many people think that there needs to be drastic changes to accommodate the zoning feature this is not so The ducts still need to deliver an adequate amount of CFM to the zoned area as they would if it were not zoned The square footage of the home or building is not changing What will change 15 the amount of square footage that will need to be heated or cooled at the same time With zoning allowing for setback thermostats and different temperature settings throughout the home or building during the day and night demand on the heating and cooling equipment should be a lot less due to zoning off areas that will not need to be heated or cooled during certain times of the day Since the heating and cooling requirements are now going to be controlled through zones the concern is the excess pressure or build up of pressure from closed zones What this means 15 that when some zones are in setback mode the airflow to those zones will be shut off The airflow will cause a pressure build up in the duct system which wil
6. of a Hand Damper is recommended to be installed in the Return If the bypass is used it would be sized to handle the excess pressure build up under the worst case scenario rule The reason we use the worst case scenario is that this is the worst possible condition of airflow This con dition will cause the most excess pressure build up that is possible The calculation is done by taking the total CFM capacity of the smallest zone let s say 600 CFM and subtract that from the total CFM of the system let s say 2000 CFM Total system CFM 2000 Less smallest zone s CFM 600 Bypass amount CFM 1400 The bypass duct would be sized to handle the 1400 CFM which would be the excess pressure when only that one zone calls The excess air can also be routed through the by pass damper and dumped into an area that has access to an open return This method will not provide the efficiency of the By Pass Method For by pass damp er CFM capacities see the chart below The dump zone method which should only be used when it is not possible to install a connection between the supply and return will provide some of the same benefits as the by pass method This method will still use a bypass damper but it will not go through the return duct The dump zone will take the excess pres uct Sizing with Ultra Zone sure build up and dump it into a non critical area of the home Non critical can be interpreted many ways what EWC Controls has
7. 0 00 20 12 ND HD 188 00 Static Pressure Control MODEL EBD MODEL PS 4 The EBD style by pass are self contained units that give you the static control mounted to the damper It is an all in one design that makes the installation process much easier than most electronic by pass dampers The static pressure can be adjusted in the field between 0 1 to 4 of pressure This is done by the turn of a set screw Requires 24VAC to operate Tubing and pitot tube are included 12 X 10 ISO 525 00 528 00 20 X 10 20 X 12 551 00 555 00 DRS 510 00 20 X 8 528 00 To order Pressure Switch ONLY MODEL PS 4 List Price 250 00 NOTE We can make any size EBD Use with ND or URD style damper Page 13 amp 14 MODEL PRD Model PRD pressure regulating damper is a single blade steel barometric damper with a coun ter balanced weighted arm The PRD provides an economical solution for bypassing excess air when zone dampers close Damper adjustment is done by adjusting the supplied weights and by offsetting the arm The PRD is reversable for Airflow Direction Other sizes available upon request Additional Arms and Weights MODEL PRD Weight and Arm List Price 20 00 Box of 10 Model PRD Weights 10 List Price 99 00 Size List Price CFM 12 8 PRD 140 00 750 12X10 PRD 146 00 950 12X12 PRD 157 00 1200 20X8 PRD 172 00 1000 20X10 PRD 178 00 1400
8. 150 00 Replacement motor for ND RSD and RSD style dampers List 130 00 Return air sensor used to monitor temperature of the return duct List 52 00 wee 24V and 120V available EWG Two wire spring return actuator Used CONTROLS INC on SMD SR RD SR amp URD SR dampers List 235 00 R1 Single pole double throw 24volt relay coil List 30 00 Parts amp Accessories Replacement relay for older style ULTRA ZONE panels List 50 00 SAS Supply air sensor used to monitor temperature of the supply air List 52 00 Outdoor air sensor used to monitor temperature of the outside air List 52 00 LIMITED WARRANTY EWC Controls warrants its products to be free of any defect in material and workmanship for a period of five years from date of installation All returns are subject to a restocking charge and MUST have prior authorization from EWC Controls to be returned SPECIAL ORDER AND NON STANDARD ITEMS ARE NOT RETURNABLE EWC Controls will inspect all returned items If found to be defective in material or workmanship the item will be replaced or credited per customer reguest All items must be sent freight pre paid Any item found not to be defective or out of warranty will be returned freight collect EWC Controls will not be liable for any special indirect incidental or conseguential damages including but not limited to labor charges of any characte
9. 43 00 ig 2 Expansion Panel maximum 7 zones The 2 is the expansion panel for the BMPlus series control panel The XM 2 will allow the original 3 three zone panel to expand 2 two zones at a time The XM 2 comes with a plug n play cable that will connect to the main panel Model List Price XM 2 275 00 OAS VAC Accessories Model List Price OAS 52 00 VAC 55 00 10 Zone Control Systems NCM 300 The NCM 300 control panel is compatible with single stage systems two stage ae heat systems and heat pump systems The panel is configured for 2 or 3 zones 92 non expandable This is ideal for residential new construction allowing very mee EL competitive product to be sold to the homebuilder The NCM 300 features auto 7 Lo wn matic changeover and fan control from any zone with a built in computer watch dog circuit to insure proper operation The panel is shipped with an SAS sensor i gt for high and low limit protection control The SAS has adjustable potentiometers for the heating and cooling limits for different geographical locations The NCM aT Tse 300 control panel is compatible with any 3 or 4 wire thermostat on any zone and EEEE bh dm Pr go rgtg 5 JRH EN ipii TRAZONE allows for single stage ther
10. The UT 3000 3 zone system will also work with non communicating 2 heat 1 cool or 1 heat 1 cool systems This Hybrid design allows for maximum flexibility with one zone panel The UT 3000 produces a true proportional signal to control the fan speed during operation The output signal for the fan is based on how many zones are calling and the temperature of the supply air Based on these readings this unique feature will allow an ECM motor operating on the ClimateTalk TM protocol to function at it s lowest possible Cfm output reducing the need for a by pass damper to control static pressure Any multi stage or modulating hi efficiency HVAC system that functions in ClimateTalk TM mode will be operated in a manner that maximizes temperature con trol and minimizes blower speed and reduces by pass function By monitoring the Supply Air temperature the UT 3000 will stage the HVAC equipment to optimize the comfort level while reducing energy consumption Based on the demand for heating or cooling i e how many zones are calling how far out of range the supply air is from set point and the type of thermostats installed the UT 3000 will produce the reguired amount of supply air to satisfy the demand The flexibility of the UT 3000 allows the installer to change that demand level based on the customers expectations of the staging function The Supply Air Sensor feature is a constant monitoring device that sends vital data back to the UT 3000 in order for
11. WC Controls introduced the first Communicating Zone panel built on the ClimateTalk open protocol This industry setting cutting edge product is well advanced of any current product offering Once again as recognized by our peers EWC Controls was awarded the Dealer Design Award for this advancement in technology For over 50 years EWC has developed and enhanced our product offering for the betterment of the industry As we continue to grow all of us at EWC look forward in continuing those developments of future comfort solutions and enhancements ClimateTalk HARD ELI SI HR SPOKEN HERE Sustaining Member 2011 2012 RAN ERC 6X WINNER CEU s How To Order An Ultra Zone System Control Panel 1 Stage Heat Cool 1 Stage Heat Cool 1 Stage Heat Cool 2 Stage Heat 1 Stage Cool 3 Stage Heat 2 Stage Cool 2 Stage Heat 2 Stage Cool 2 3 zones NCM 300 2 3 zones 1 BMPlus 3000 nd 4 0 For larger zone systems 4 5 zones 1 BMPlus 5000 a cena See BMPlus series 6 7 zones 1 BMPlus 7000 2 4 zones 1 UZC 4 For larger zone systems 5 6 zones 1 UZC 6 See UZC series 7 8 zones 1 UZC 8 9 10 zones 1 UZC 10 11 12 zones 1 UZC 12 13 14 zones 1 UZC 14 15 16 zones 1 UZC 16 Up to 20 zones 2 zone increments Dampers Round Rectangular 4 20 URD 3 wire PO PC W xH ND 3 wire PO PC 4 20 RSD 2 wire spring return W xH ND RSD 2 wire Spring Return Motor i
12. a zoning system What EWC Controls has tried to do is to give you the critical information that is needed before a zoning system can be installed We have also tried to show a few common techniques that are being used by others who are install ing EWC Controls zoning systems These are just a few suggestions other methods and techniques can be used if they are more successful for your applications Bypass Dampers and their CFM Capacity Rectangular 12 x8 PRD 12 x10 PRD 750 CFM 950 CFM 1 200 CFM 1 000 CFM 1 400 CFM 2 000 CFM 12 x12 PRD 20 x8 PRD 20 x10 PRD 20 x12 PRD Round 8 PRD RD 10 PRD RD 12 PRD RD 14 PRD RD 1 300 CFM 16 PRD RD 2 000 CFM CFM amounts calculated a 3 w c 350 CFM 650 CFM 1 000 CFM See Page 15 SAS Included TE TE aj s ClimiateTalK re 4 t a Ga TT kor cit IE We 1 23 1 1 B e iT i Patent Pending EWC Controls has built a truly innovative plug n play 4 wire communicating zone system for any application The UT 3000 s design allows the zoning system to Talk to the eguipment and thermostats to reduce labor time and optimize performance This Talk feature allows the system to auto configure itself without installer programing or setting dip switches The highly advanced UT 3000 is compatible with all communicating HVAC systems that are built on the ClimateTalk open protocol
13. cy Heating or De Humidification systems if levels are exceeded Network Schedule Monitor Diagnose and Control all of your thermo stats from a Single Web Site with Secure Password Authentication IZT 100 List 1 025 Remotely Control and Monitor the temperature in any Home Vacation Home Office Building Warehouse or in every zone of an Ultra Zone system Compatible with or up to 2 Stage Heat and I Stage Cool systems 24vac hard wired 366 day program ming No software to load Wired Ethernet and Secure Web Server technology with reliable TCP IP protocol E mail or Text messaging Alarm Reporting service for High and Low temperature Alerts the Contractor and the Homeowner Network Schedule Monitor Diagnose and Control all of your thermostats from a Single Web Site with Secure Password Authentication EWT 3102 The Large 5 touchscreen thermostat is compatible with Single Stage and Two Stage A ULTRAEONE heating and cooling systems as well as Heat Pumps and Three Stage heating and Two Stage cooling systems The EWT 3102 features 7 Day or 5 2 day program ming The Auto Changeover adjustable differential Energy Star rating and energy efficient recovery are just a few features that the EWT 3102 includes List 289 00 EWT 3707 Digital programmable thermostat for single stage systems and two stage heat 68 pump systems 7 Day or 5 7 2 day programming 24V or Battery powe
14. ersize the supply ducts to handle the increased pressure of closed zones For example oversize each zone supply duct to handle 65 70 of the CFM This way when the other zones close the one calling can handle the pressure safely The supply ducts should never be oversized more than 20 of their intended capacity This method will reduce the velocity of the system so it is important to know your customer s expectations of the system The BEST method for relieving excess pressure in a zoning system is the Bypass damper This method will take the excess pressure from the supply duct and return it back to the return duct This is done by tapping into the supply air and running a duct back to the return air and mounting a bypass damper in that run see below EWC Controls by pass dampers are PRD amp PRD RD baromet ric and the EBD electronic Figure 2 HVAC UNIT _ BYPASS DAMPER LHAND DAMPER When tapping back into the return duct the tap is rec ommended to be at least 6 ft away from the equipment The farther the better This is done to ensure that the hot or cold air coming off the plenum has time to mix with the return air before going across the coil again Temperature sensors are mandatory when using the bypass method The sensors will prevent any damage to the equipment from overheating or coil freeze up EWC Controls includes the SAS Supply Air Sensor with every Ultra Zone control panel The use
15. es This feature is designed to minimize the load that could build up on the HVAC system Other added flexibility of the HK2000 is its ability to control exhaust air and return air as well as fresh air intake This built in feature prevents over pressurization in homes and buildings The Economizer mode of the HK2000 allows for the use of outside air to satisfy the need of indoor cooling This form of free cooling is monitored and controlled using several methods Dry bulb method also known as outdoor temperature method will sense the outside air temperature and determine if that air alone could satisfy the cooling demand The determining temperature range for this method is field adjustable between 42 F and 78 F The outdoor air sensor OAS is included with each panel for this function If the outside air is too warm the HK2000 will start the air conditioning unit If the dry bulb mode uses outside air the HK2000 will also monitor its success If the cooling is not satisfied within 15 minutes using outside air the HK2000 will shut down and start the air conditioning unit During Enthalpy mode an optional enthalpy control EC can be used to sense the outside air for appropriate conditions The EC will either satisfy the cooling with outside air or turn on the air conditioning unit using its own settings The most economical advantage of the HK2000 is the Mechanical Cooling Assistance mode This will allow the HK2000 to monit
16. hes or parts to burn out The actuator possesses 17 in 165 of torque manual gear release and powered open powered close operations The URD features fail safe LED s that will indicate the position of the blade without the need to cut holes or remove the damper from the ductwork MODEL RSD PRICING FOR BOTH URD amp RSD OURD 2200 O The positional LED s will only illuminate when the blade 15 in the full open or full closed position The RSD is a spring return motor The damper is field reversible from power closed spring open to power open spring closed The motor posesses 5 165 of torque The 18 and 20 RSD s have a motor with 18 Ibs of torque Options RD End Switch for URD List 115 00 Round Damper with NO motor 5 8 round shaft Deduct 30 00 MODEL SID The Retrofit Solution The SID Slip In Damper is the most user friendly retrofit damper available The 1 5VA actuator allows up to 20 SID s on one EWC Controls zone panel with a 40va transformer With a single cut the SID can be installed in seconds The optional S1A see page 17 end switch allows for increased flexibility Size List Price 8 RD HD 113 00 10 RD HD 119 00 12 RD HD 127 00 14 RD HD 160 00 16 RD HD 166 00 14 18 RD HD 190 00 RESTRICTING HAND DAMPERS The hand damper are used to restrict airflow through the by pass trunk during by pass operation 20x8 ND HD 168 00 20 10 ND HD 18
17. l be dealt with by using a form of Bypass to alleviate that pressure build up There are several ways of dealing with this excess pressure and what works for one contrac tor may not work for another but EWC has some long standing rules that should be followed These rules are important to follow to insure proper airflow throughout the system and to insure proper operation of the EWC Controls zoning system When using a By Pass back to the Return it is suggested to use a Restrictive Hand Damper Model ND HD or RD HD in the Return Figure 1 22 0 HVAC a UNIT BYPASS DAMPER RETURNAIR 0 LHAND DAMPER e 100 of the rated CFM must always move through the Air Handler when zoning with Heat Pumps and High cooling demand areas i e Florida e Always assume the worst case scenario which is the smallest zone will be the only one to call at any given time e EWC Controls recommends the use of the EBD Electronic By pass Damper on all zoning installations EWC Controls highly recom mends the use of the EBD on all 3 zones or more applications as well as systems that will exceed 2000 CFM As stated previously there are several ways to accom plish these rules EWC Controls recommends two types of methods for two different types of applications The first application is on 2 and some 3 zone jobs when there is no room to install a bypass damper On these jobs it is possible to ov
18. lized com fort of each zone providing temperature control where you want it when you want it Added Convenience No more running up and down stairs to We will provide control the temperature thermostats in each zone Energy Savings Ultra Zone systems can reduce energy costs by 25 30 or more By using setback thermostats you only pay for the heating and cooling when you want it Common Sense The heating and cooling equipment makes up the largest part of the monthly utility bill Why not control these items the same way you do with your lighting and plumbing Why use an ULTRA ZONE system over TWO units Some contractors are installing two heating and cooling units to try and satisfy the comfort needs of homeowners This is an expensive alternative to an Ultra Zone system Two units cost more to install and maintain One unit and a damper system is far less expensive than the cost of the second furnace The cost of two units drastically increases when an additional air conditioner is installed For example in place of using two 2 ton heating cooling sys tems an Ultra Zone system can be used with one 4 ton unit at an average savings of 30 35 of the overall cost This cost reduction comes from elimi nating duplicate work and installations With one unit the installation is much faster and the material will cost less With lower costs to the homeowner and more comfort features as its benefit the Ul
19. mode of the HVAC system The UZC will control Single Stage 2 3 amp 4 Stage conventional geothermal or Dual Fuel heat pumps without the need for dual fuel kits Also single or multi stage gas oil amp hydronic HVAC systems with either single or two stage cooling and constant or variable speed fan systems Any and all of these systems can be controlled with most any off the shelf thermostats The UZC allows for the use of any type of thermostat on any zone with any type of HVAC eguipment This is done with a staging timer built into the UZC A field adjustable timer between 7 42 minutes will energize the staging up when necessary if zones are not satisfying based upon the time set on the timer This feature allows the installer to use single stage thermostats with multi stage eguip ment a very user friendly feature There are 2 two energy saving features that the UZC incorporates that can save homeowners more than 40 on utility bills The first is our 50 rule This feature will not allow staging up to occur if less than 50 of the zones are in demand This will prevent the HVAC system from consuming unneeded energy The second is using our OAS sensor with the UZC to sense the outside air temperature and also limit the staging up process if the temperature is too mild The OAS works with an adjustable setting between 7 and 42 degrees if the temperature is above the set point again the UZC will prevent the use of unneeded energy c
20. mostats to control heat pumps or multi stage systems 2 15 with an adjustable timer NCM 300 is also compatible with two stage heat AHH pump and dual fuel thermostats Po The opposing system timer insures that no zone will starve for needed conditioned COMPRESSOR HEED ws air this can also be turned off to allow for maximum run times The One Zone EWE i allows the occupants to flip a switch VAC and put the panel into vacation mode This mode sets the zoning system based on the program of the zone one thermo stat allowing the whole system to be programmed from one location The LED bank allows for instant recognition and detection of system status for the installer The NCM 300 allows for dual transformer systems ex hydro air oil burners hot SAS Included water coils etc to wire up without the need for additional relays We have incorpo rated an isolation relay on the NCM 300 to allow for easy wiring to these systems MODEL ST 2 ST 3 Rev E Model ST series panels are for single stage heating and cooling with manual change over Zone is the master zone which controls the heating and cooling mode and also the fan operation The ST 2 is a 2 zone panel and the ST 3 is a 3 zone panel Zones 2 and 3 will only operate in the same mode that the zone 1 thermo stat is in Each thermostat can turn the system on and off but only in the same mode It is recomme
21. nded that zones 2 and 3 have no switching subbases for the thermostats The ST panels can be used with mechanical or digital programmable thermostats that are non power stealing Open Close switches on the control panels near the damper terminal blocks allow for continuous air circulation This switch controls the damper position when the heating and air conditioning system is at rest The ST panels can be wired together to create larger zoning systems up to 5 zones FEW ni Model List Price ST 2E 198 00 ST 3E 246 00 11 Motorized Dampers MODEL ND MODEL ND RSD Old Fashion Reliability With NEW State of the Art Technology Heavy Duty Frame ND SERIES DAMPERS Nylon Bushings for Quieter The ND series of Ultra Zone dampers was designed with the installer and home Operation owners in mind This damper is easy to install and easy to checkout The LED e Revolutionary Motor with greater display allows the installer to visually check the damper operation With a stur dier frame the damper installs in the duct much faster and easier and the nylon Reliability bushings insure quieter operation This is a feature that homeowners will never LED s to Show Damper hear about Quieter operation and a longer life motor equals NO call backs Operation rm The motor for ND damper is driven by 17 in lbs of torque possesses Low Leakage manual gear release 3 wire power open power closed opera
22. onsumption MODEL ZXM 2 Expansion Panel maximum 20 zones The UZC also features 2 two safety controls built into the panel The first is its ability to have a Fire Alarm Interlock If the UZC is wired into the fire alarm system and a signal is detected the UZC will shutdown the HVAC system and close all dampers The sec ond safety feature is Demand Based Ventilation This allows the UZC to wire into a CO 2 monitor and control Fresh Air if needed If the UZC detects a signal from the Carbon Dioxide monitor the panel will open all dampers open the Fresh Air damper and turn the HVAC fan on helping to vent the building Other Industry setting features include Electronic Bypass Damper Interface Achieves Latent Cooling and Ouiet Mode start up Adjustable Supply Air Sensor Prevents over heating or cooling Adjustable Heat Differential Potentiometer Allows the SAS to be mounted in any location One Zone Feature Allows one thermostat to control multiple zones for set back Computer Watchdog Circuitry Prevents lock ups from power failures and power interruptions Manual and Automatic Thermal Circuit Breakers Protects the UZC from wiring shorts Dehumidify or Humidify Interface Auxiliary contacts to help increase comfort operations Return Air Monitoring Enhanced HVAC energy savings Variable Speed Interface Slows down fan speed if less than 2590 of zones are calling For systems larger than 16 zone
23. or the return air temperature with the use of an optional return air sen sor same as OAS and compare it to the outdoor air temperature If conditions allow the HK2000 will HK2000 5240 00 bring in outside air and mix it with return air and use this as cooling This again reduces the load on 52 00 the HVAC unit me MODEL EC Enthalpy Control Hana Dn a i Enthalpy control provides the means to sense outside air temperature and humidity When these conditions are acceptable fresh air can be used instead of cooling List 460 00 17 Parts amp Accessories SIA Line Voltage rated End Switch assembly for all new ND and URD style dampers Easily attaches over the top of the motor Can oper ate blower motor combustion air hydronic zone valve or circulator among other applications List 119 00 A compact version of the RP4 Use for custom control applications List 75 00 CPLS Monitors cooling coil temperature and protects against coil freeze up Stops compressor below 37 and restarts above 47 Not adjustable Mounts on a 3 4 suction line List 37 00 BT DP BT SP Single pole Double pole bulb thermo bulb ther j stat 15 to 90 mostat 0 to range 100 range 25 EN List 260 00 CTC F1 Monitors cooling coil temperature and protects against cool freeze up Stops compres sor below 36 and restarts above 46 Adjustable List 160 00 A
24. r in connection with the sale resale or use of the item EWC Controls reserves the right to make changes without notice in design application and price in order to effect product 1mprovement 19 5 i _ _ DISTRIBUTED BY CONTROLS INC 385 HWY 33 ENGLISHTOWN NJ 07726 Phone 800 446 3110 Fax 732 446 5362 www ewccontrols com
25. red Auto ene or manual changeover List 130 00 EWT 3611 Digital Non programmable thermostat for single stage systems 24V or Battery List 99 00 EWT 3900 List 475 00 16 The Wireless thermostat with 7 day or 5 2 day programming allows for easy retro fit applications for zoning or non zoning installations The thermostat includes the wireless receiver and a wall mount bracket that allows for easy pop on and off for hand held programming The EWT 3900 thermostat is compatible with Single Stage and Two Stage heating and cooling systems as well as Heat Pumps and Three Stage heating and Two Stage cooling systems The receiver will be 24V powered EWT BC Sr EWT BC Battery Charger List 55 00 MODEL HK2000 Finally a control that gives meaning to the letter V in HVAC the cure for sick building syndrome Helps meet local building codes and ASHRAE ventilation standards The HK2000 Fresh Air and Economizer panel provides intelligent and economical control of residential and commercial heating and cooling systems In the Fresh Air mode the HK2000 has the flexibility to bring in as much or as little Fresh Air as needed The cycle timer is adjustable from 0 off to 12 cycles continu ous per hour When the cycle timer is set to 4 cycles per hour representing 20 minutes of Fresh Air the HK2000 will activate the Fresh Air mode for 5 minutes every 1 4 hour or every 15 minut
26. s call factory for pricing Geothermal Applications 9 Zone Control Systems BMPlus Series up to 3 heat amp 2 cool The BMPlus control panel is a single stage two stage dual fuel and heat pump compat _ ible panel controlling up to seven zones The system features automatic changeover and fan control from any zone with a built in computer watchdog circuit to insure proper operation The BMPlus is supplied with an SAS sensor for high and low temperature limit control that has field adjustable temperature limits The control panel is compatible with any 3 or 4 wire thermostat on any zone and allows for single stage thermostats to control heat pump or multi stage eguipment The BMPlus is also compatible with any two stage heat pump thermostat which can be used in all zones Our unique 50 rule if set will inhibit second stage if less than half of the total number of zones are calling The intelligent design of the BMPlus eliminates the need for a dual fuel kit for heat pumps The panel can control staging based on time or outdoor temperature with the optional OAS sensor The convenient One Zone Mode allows for the entire zoning system to be programmed from one location This can be controlled by the thermostat or the optional VAC switch This is great for vacation periods or night set back applications Model List Price Model List Price BMPlus 3000 340 00 XM 2 275 00 5 5000 460 00 SAS BMPlus 7000 6
27. s always mounted on 2nd dimension By Pass Dampers If Necessary Electronic Modulating Round Barometric Rectangular Barometric 107 18 EBD Round 16 PRD RD W xH PRD W xH EBD Rectangular Any Size Call Factory Zone Thermostats Digital Programmable DIAL OI male Digital Non Programmable Auto Changeover Touchscreen Auto or Manual Changeover i EWT 3611 EWT 3102 EWT 3707 Transformer wall 40VA for every 20 URD and ND dampers 40VA for every 5 RSD and ND RSD dampers Ultra Zone controls benefits Why Use An Ultra Zone System The Ultra Zone zone control systems provide personalized comfort of heating and air condition ing equipment for homes and offices The Ultra Zone system utilizes motorized dampers controlled by room thermostats to selectively con trol the temperature for each zone of the home or building This is called zoning Weare zoning off areas so that we can allow tighter control of the heating and cooling This is very similar to the lighting and plumbing systems in a house You do not have one main light switch that turns on and off all the lights in the house nor do you have one faucet that turns on and off all of the water in the house Each system has separate con trols for each room and fixture The Ultra Zone system will allow that same degree of control for your heating and cooling Total Comfort The Ultra Zone system permits persona
28. seen most commonly used are base ments entrance foyers work shops or mechanical rooms These areas are considered non critical because they are non living areas where temperature control is not as important This method should be used responsibly by the installer Determining what is a non critical area is not to be taken lightly this should be a thought out process keeping the homeowners needs and expectations in mind Using some method of bypass is the most effective way to zone a home or building Bypassing will accommodate the homeowners or occupants demand for a controlled environment Some zoning systems call for bypassing the air into a zoned area this will NOT allow for maximum comfort This method allows the bypassed air to over shoot the thermostats temperature set point What this type of system does is leave the zone dampers partially open when they should be fully closed allowing for the bypass air to flow into an already satisfied zone This will negate the effect of zoning and drastically reduce the comfort level and savings potential of the home Zoning is the control of the airflow from the HVAC equipment that allows for Individual Room Temperature Control With proper installation there is no reason why an indi vidual room cannot maintain a one degree differential from set point Duct design will be uniquely different from one zoning job to another and because of that unfortunately there is no single way of laying out
29. the system to function efficiently Adjustable target set points on the supply air sensor allow staging to occur shorter or longer increments as well as allow system capacity to increase or decrease based on the target set points The adjustable set points allow for greater flexibility for all operating conditions giving the installer the ability to maximize energy savings and comfort 8 List 680 00 Universal Zone Control Systems MODEL UZC 4 up to 4 heat amp 2 cool 2154 H a fw hyhy Mel wnh SAS Included 4 ih 1 rast 14 af H mi MODEL UZC Revision 4 The Ultra Zone Model UZC is a 4 zone control panel that features auto changeover between heating and cooling modes The UZC will accept the first call of heating or cooling and turn the system on and close the dampers to the non calling zones If another zone calls for the opposite mode the UZC will hold that call until the first call is satisfied or until a 20 minute timer has passed Once accomplished the UZC will go through a time delay to purge the conditioned air out of the system The purge time is the total time the fan will remain on with the last calling dampers remaining open This can be either 1 3 minutes or turned off The automatic changeover time is fixed at 4 minutes including the purge time At the end of this time the system will activate the opposite
30. tion and fail safe Simple 3 wire Hook up LED s for quick diagnostic checks The motor is UL listed and NEMA Class 2 certified The easy access quick connecting terminal block eliminates the need Motor is always mounted on for wire nuts and allows for trouble free use second dimension specified The ND damper has a 97 leak proof rating Overlapping blades and a strong positive shut off motor insures accurate control of all zones The ND dampers combined with an Ultra Zone zoning system provides the most comfortable and Options ND LF24 24V Spring Return 35 Ibs Add 385 00 reliable system in the industry ND LF120 120V Spring Return 35 Ibs Add 395 00 ND LM24SR T Modulating Motor Add 250 00 The ND is available in 8 x 6 thru 30 x 30 in even inch increments The ND LM24 35 in Ibs motor 24volt Add 225 00 motor will be mounted on the second dimension when ordered For example a ND SRE 120 Add 200 00 x 16 will have the motor mounted on the 16 dimension This will alleviate the ND MA15S 15 Second Motor Add 160 00 8 confusion between side mount and bottom mount dampers End Switch List 115 00 5 8 round shaft no motor Deduct 30 00 For added flexibility ND dampers can also be provided with spring return ND MQ Manual Ouadrant No motor Deduct 35 00 style motor Model ND RSD The ND RSD is driven by 5 Ibs of torque Note Specify spring closed or spring open
31. tra Zone system is highly recommended over install ing two units WINTER CONDITIONS ULTRA ZONED Comfortable With one thermostat the entire house is one zone making it difficult to control the comfort level through out the house HVAC UNIT With multiple thermostats zoning occupants can maintain their desired temperature set point upstairs and downstairs independently of each other How the ULTRA ZONE System works The purpose of the Ultra Zone system is to provide total comfort in the home and office Motorized dampers are opened or closed by thermostats based on the temperature set point of the homeowner The damper system will control the airflow through the ductwork and deliver ONLY the desired air to the desired loca tion Each thermostat has the ability to turn on and shut off the heating and cooling The Ultra Zone system can accommodate over 20 zones This means that over 20 thermostats can be installed in a home or building to control the temperature in each zone There are very few Ultra Zone components that are needed to make the zoning system function The control panel is the brain of the system The zone thermostats allow independent temperature control and the zone dampers control the airflow to the zone thermostats A transformer is needed to power the system and occa sionally a by pass damper may be required The basic components of an Ultra Zone system are 1 A Control Panel
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