Models UZ3, UZ4, UZ6 Universal Control UNIVERSAL CONTROL SERIES INSTALLATION, OPERATION & MAINTENANCE MANUAL EZ3, EZ1 Expansion Module UZ3, UZ4, UZ6 EZ3 EZ1 Manufactured by: ECR International Inc. 2201 Dwyer Avenue, Utica, NY 13501 Tel. 800 253 7900 www.ecrinternational.com PN 240010923 REV.
TABLE OF CONTENTS 1 - Important Safety Information...................................................................................... 2 2 - Product Description And Features................................................................................. 3 3 - Mounting ................................................................................................................. 4 4 (OHFWULFDO 6SHFL¿FDWLRQV 'LPHQVLRQV $QG :LULQJ &RQQHFWLRQV...........................................
2 - PRODUCT DESCRIPTION AND FEATURES Product Description )LUPZDUH • Priority with selectable timer setting =5 =& ZLWK VHOHFWDEOH DFWLYH QRQ DFWLYH VHWWLQJ • Error codes display • Pump exercising with selectable settings • Non-Volatile memory storage =RQH FRQ¿JXUDWLRQ VHWWLQJ YDOYH RU SXPS • Three programmable XX terminals for boiler and temperature control 3RZHU PRQLWRULQJ )DXOW 9DF ! 9DF • Zone staggering delay • Test feature - Exercises all control functions WR FRQ¿UP FRQWURO RSHUDW
3 - MOUNTING 0RXQWLQJ ,QVWUXFWLRQV • 0RXQW $UJR 8= DQG (= &RQWUROV YHUWLFDOO\ RQ VROLG wall or partition. • Mount control as close as possible to device to be controlled, for your convenience. • 'R QRW PRXQW $UJR 8= DQG (= &RQWUROV PRUH than 75 feet away from pumps, valves and thermostats. • Select location easily accessible for installation and service. Note Place rubber or felt washers between case and mounting surface to reduce possible transformer KXP DQG UHOD\ QRLVH DPSOL¿HG E\ PRXQWLQJ surfaces su
4 - ELECTRICAL SPECIFICATIONS, DIMENSIONS AND WIRING CONNECTIONS ! WARNING Electrical shock hazard. Turn OFF electrical power supply at service panel before making electrical connections. Failure to do so could result in death or serious injury. (OHFWULFDO 6SHFL¿FDWLRQV DQG :LULQJ A. Installation shall be in accordance with authority having jurisdiction.
4 - ELECTRICAL SPECIFICATIONS, DIMENSIONS AND WIRING CONNECTIONS (OHFWULFDO 6SHFL¿FDWLRQV 'LPHQVLRQV DQG :LULQJ &RQQHFWLRQV (OHFWULFDO 6SHFL¿FDWLRQ TABLE 1 /LQH 9ROWDJH 3RZHU &RQQHFWLRQV LQ $FFRUGDQFH ZLWK 1(& &(& DQG /RFDO &RGHV 8VH &RSSHU &RQGXFWRUV 2QO\ LINE / 1 PRIMARY PUMP / 1 * ZONE PUMPS Field Power Supply, 115Vac, 50/60Hz, 1-ph, 15A Max UZ3, EZ3, EZ1, 20A Max UZ4 and UZ6 3URYLGHV 3RZHU WR %RLOHU 6\VWHP 3ULPDU\ Pump 115Vac, 50/60Hz, 1-Ph 5DWHG )/$ KS 0D[LPXP $OORZDEOH 3XPS / 1
4 - ELECTRICAL SPECIFICATIONS, DIMENSIONS AND WIRING CONNECTIONS )LJXUH 'LPHQVLRQV DQG 0RXQWLQJ UZ3 UZ4 UZ6 EZ3 EZ1 7 PN 240010923 Rev.
4 - ELECTRICAL SPECIFICATIONS, DIMENSIONS AND WIRING CONNECTIONS UZ3 UNIVERSAL ZONE CONTROL )LJXUH &RQWURO :LULQJ 8= OPTIONAL INDIRECT HOT WATER THERMOSTAT OPTION EAU CHAUDE INDIRECT THERMOSTAT ANY ZONE TR 1 2 ZONE 1 T CH T 4 Wire Valve TW DPM2 DATA PORT PUMP POMPE ZONE VALVES VANNES DE ZONE ZONE THERMOSTATS THERMOSTATS DE ZONE T R TW C THERMOSTATS ZONE 2 T R TW C ZONE 3 3 4 1 2 1 NEC Class 2 Low Voltage (24Vac) 2 3 3 4 1 2 ZONE VALVES ZONE 1 T R TW C 3 Wire Valve ZONE 2
4 - ELECTRICAL SPECIFICATIONS, DIMENSIONS AND WIRING CONNECTIONS )LJXUH &RQWURO :LULQJ 8= 9 PN 240010923 Rev.
4 - ELECTRICAL SPECIFICATIONS, DIMENSIONS AND WIRING CONNECTIONS )LJXUH &RQWURO :LULQJ (= EZ3 EXPANSION MODULE, 3-ZONE ZONE VALVES VANNES DE ZONE ZONE THERMOSTATS THERMOSTATS DE ZONE 4 Wire Valve 1 2 3 4 THERMOSTATS 1 2 3 Wire Valve 3 4 1 2 3 ZONE VALVES COMMUNICATION CABLE NEC Class 2 Low Voltage (24Vac) NEC Class 2 Low Voltage IN OUT FROM EXPANSION ZONE MODULE TO EXPANSION ZONE MODULE PTC EXPANSION PORT 115 Vac 1 N L 115 Vac G G 115 Vac GND G ZONE PUMPS POMPE DE ZONE R
4 - ELECTRICAL SPECIFICATIONS, DIMENSIONS AND WIRING CONNECTIONS )LJXUH &RQWURO :LULQJ (= EZ1 EXPANSION MODULE, 1-ZONE THERMOSTAT ZONE VALVE COMMUNICATION CABLE NEC Class 2 Low Voltage (24Vac) IN OUT FROM EXPANSION ZONE MODULE PTC TO EXPANSION ZONE MODULE 115 Vac PUMP LINE 1 COM C 24V Vac R 12A 250V Fuse 115 Vac N L 115 Vac GND G N TRANSFORMER TRANSFORMATEUR ZONE PUMP POMPE DE ZONE L N G FIELD SUPPLIED POWER PER NEC, CEC AND LOCAL CODES RACCORDEMENTS EFFECTUÉS SUR PLACE CONFORM
86(5 ,17(5)$&( User Interface )LJXUH 8VHU ,QWHUIDFH 'LVSOD\ 'LJLWDO LCD 8VHU 'LVSOD\ $QG ,QWHUIDFH A. &RQ¿JXUDWLRQ 6HOHFWLRQ %XWWRQ ± 6HOHFWV FRQWURO FRQ¿JXUDWLRQ 3UHVV RQFH WR YLHZ ]RQH VWDWXV +ROG to enter test mode. B. /&' 'LVSOD\ ,QGLFDWHV FRQ¿JXUDWLRQ ]RQH VWDWXV and error codes.
6 - CONTROL CONFIGURATION &RQWURO &RQ¿JXUDWLRQ E. =5 =& $FWLYDWLRQ ± 8VHG WR GHOD\ DOO pumps from operating until boiler reaches minimum temperature. =RQH FRQ¿JXUDWLRQ 3XPS RU 9DOYH 8VH XVHU LQWHUIDFH PHQX WR FRQ¿JXUH ]RQH VWDWXV IRU SXPS RU YDOYH RSHUDWLRQ &RQ¿JXUDWLRQ PHWKRG applies to main control and all expansion modules.
6 - CONTROL CONFIGURATION ([SDQVLRQ 3RUW 7KH H[SDQVLRQ SRUW 5- FRQQHFWLRQ LV XVHG WR connect expansion modules to the control. A low voltage communication connect cable is provide with the expansion module. Each expansion module is independently powered and does not require valve or pump power from the main controller. Once connected the expansion module will be recognized by the main controller. Programming of the expansion module will occur through the main control.
6(48(1&( 2) 23(5$7,21 Sequence Of Operation Zone Pump Output Zone pumps are wired to the designated zone pump WHUPLQDOV :KHQ WKH ]RQH WKHUPRVWDW FRQQHFWV WHUPLQDOV 75 DQG 7: WKH FRQWURO ZLOO SURYLGH 9DF DFURVV WHUPLQDOV / DQG 1 RI WKH FRUUHVSRQGLQJ ]RQH and the primary pump terminals of the master control.
6(48(1&( 2) 23(5$7,21 (QG 6ZLWFK $VVLJQPHQW ;; The main controller is equipped with three independent, isolated, dry contact end switches ;; ;; ;; IRU HQHUJL]LQJ KHDW VRXUFHV End switches can be assigned to any zone and will close on a call for heating. End switch assignment is VHW WKURXJK WKH FRQWURO FRQ¿JXUDWLRQ SURJUDPPLQJ menu. :KHQ DQ\ ]RQH WKHUPRVWDW FRQQHFWV WHUPLQDOV 75 DQG 7: WKH FRQWURO ZLOO SURYLGH SRZHU WR WKH SULPDU\ pump terminals ,I WKH ]RQH LV FRQ¿JXUHG IRU SXPS RSHUDW
6(48(1&( 2) 23(5$7,21 =5 =& 6XPPDU\ 2SHUDWLRQ $ 9DOYH &RQ¿JXUDWLRQ 1. Thermostat TR-T: FORVHV FKHFNV =5 =& VWDWH %RLOHU WHPSHUDWXUH FRQWUROOHU FORVHV =5 =& WXUQV on zone valve/pump =RQH YDOYH HQG VZLWFK FORVHV WXUQV RQ ;; and primary pump ([SDQVLRQ 3RUW An Expansion port is provided for controlling additional zones.
6(48(1&( 2) 23(5$7,21 TO T-T BOILER 24VAC COMMON FROM T STAT OR X-X )LJXUH '30 :LULQJ ZONE VALVES VANNES DE ZONE ZONE THERMOSTATS 4 Wire Valve 1 2 ZONE 1 DPM2 DATA PORT PUMP POMPE T CH T T R TW C THERMOSTATS ZONE 2 ZONE 3 3 4 1 2 1 NEC Class 2 Low Voltage (24Vac) 2 3 3 4 1 2 ZONE VALVES ZONE 1 T R TW C T R TW C 3 Wire Valve ZONE 2 4 1 2 3 4 3 ZONE 3 1 2 3 COMMUNICATION CABLE 4 NEC Class 2 Low Voltage (24Vac) TO EXPANSION ZONE MODULE DIGITAL LCD USER D
7528%/(6+227,1* 7URXEOHVKRRWLQJ ! WARNING Electrical shock hazard. Turn OFF electrical power supply at man power switch before servicing unit. Service VKDOO EH SHUIRUPHG E\ D TXDOL¿HG VHUYLFH DJHQW )DLOXUH WR GR VR FRXOG UHVXOW LQ GHDWK RU VHULRXV LQMXU\ (UURU &RGHV 7DEOH 8QLYHUVDO &RQWURO (UURU &RGHV $QG 7URXEOHVKRRWLQJ 'LVSOD\ RQ 0DVWHU &RQWURO )XVH /2: 9ROWDJH 0 0 0 0 Possible Cause Corrective Action /RZ LQ FRPLQJ SRZHU RQ WHUPLQDOV / DQG 1 9DF &RQWDFW HOHFWULFLDQ RU
7528%/(6+227,1* 7DEOH 8QLYHUVDO &RQWURO (UURU &RGHV $QG 7URXEOHVKRRWLQJ 'LVSOD\ RQ 0DVWHU &RQWURO Possible Cause Too Many Exp Modules Exceeded maximum allowable expansion modules No incoming power Display is blank On board fuse is open Corrective Action Reduce number of expansion modules to allowable number. 6HH 6HTXHQFH RI 2SHUDWLRQ ± ([SDQVLRQ Port. &KHFN ¿HOG FLUFXLW EUHDNHU &KHFN IRU SRVVLEOH VKRUW FLUFXLWV LQ SXPS connections. &KHFN IRU IDXOW\ SXPS V &KHFN IRU H[FHVVLYH SXPS ORDGV 7
