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Honeywell TZ-3 - page 1
PRODUCT DATA 68- 022 3 - 2 ® U.S. Re g istered Trademark Co py ri g ht © 2001 Hone y well • All Ri g hts Reserved TZ-3 TotalZone® Zone Control Panel APPLICATION The TZ-3 T otalZone Zo ne Contro l Panel co ntrols si n g le-st a g e, mult i-sta g e, conv entional or heat p um p heat/cool e q ui p ment. It control s 2 o r 3 zone s, and is ex p an ...
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Honeywell TZ-3 - page 2
TZ-3 T OTALZONE® ZONE CONTROL PANEL 68-0223-2 2 SPECIFICAT IONS Electrical: 24 V ac, 60 Hz . Dimensions : See Fi g . 1. Mounting: Mount s with three screws (p rovided ) throu g h holes in ca binet back Wiri ng: 18 - g au g e wire for all e q ui p men t and s y stem connec tions Wiring Conn ections: Thermos tat: W2, L, G, Y , R, W Dam p ers: M 6 ( ...
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Honeywell TZ-3 - page 3
TZ-3 T OTALZONE® ZO NE CONTROL PANEL 3 68-0223-2 T able 2. Recomme nded Damp ers. T able 3. Required Acces sories (Not Suppl ied With Pa nel). Honeywell Dampe r T ype Round Rectangular Power-o p en/ p ower-closed MARD IOBD AOBD AOBD-BM CDO-51 S p rin g -o p en/ p ower-clo sed ARD ZDB ZDS Accesso ry Descripti on Bypass Rating (cfm) 40 V A transform ...
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Honeywell TZ-3 - page 4
TZ-3 T OTALZONE® ZONE CONTROL PANEL 68-0223-2 4 INSTALLATI ON Moun ting CAUTION Equipment Da mage Hazard . Do not mount TZ-3 inside HV AC equipm ent Mount onl y on wall o r on cold a ir return 1. Mount th e therm ostats i n each z one of t he livin g s p ace usin g the ins tallat ion instru ction s p rovided w ith each thermos tat. 2. Mount th e d ...
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Honeywell TZ-3 - page 5
TZ-3 T OTALZONE® ZO NE CONTROL PANEL 5 68-0223-2 Fig. 4. Heat pump the rmostat with s eparate Y1 a nd W1 ter minals and mu lti -sta ge th ermost at wi ring. If the thermosta t sele cted h as a sin g le Y termi nal, see Fi g . 5. Select a sin g le Y ther mosta t for each z one. S ee T able 1. Set DI P switch 6 or 7 ( not both ) to th e On p osition ...
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Honeywell TZ-3 - page 6
TZ-3 T OTALZONE® ZONE CONTROL PANEL 68-0223-2 6 Fig. 9. MARD and CDO-51 Dam per wiring. ML6161 Motor Act uator When the ML61 61 Motor Ac tuator is used, wire a s shown i n Fi g . 10. Wire the R8222 re la y to p revent the dam p er LE D from const antl y li g htin g amber . Fig. 10. M L6161 Damper Mo tor Actuator w iring. Transformer Wire the trans ...
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Honeywell TZ-3 - page 7
TZ-3 T OTALZONE® ZO NE CONTROL PANEL 7 68-0223-2 Multi -Sta g e: Wire th e e q ui p ment as shown in Fi g . 14 us in g the W2 termi nal for second s ta g e of h eat and th e W3 termi nal for third sta g e of heat . Wire th e Y2 for se cond s ta g e of cool in g . Fig. 14. He ating and coo ling equi pment. Heat Pump Equipment Wire the heat p um p t ...
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Honeywell TZ-3 - page 8
TZ-3 T OTALZONE® ZONE CONTROL PANEL 68-0223-2 8 Fig. 15. Heat pump w ith auxil iary heat wiring. . Fig. 16. T rane XL 1800 w ith T A YPLUS 103 i n restricte d mode wirin g. Water Source Heat Pumps Wire the e q ui p ment, a s a pp licabl e, to the TZ -3 as sho wn in Fi g . 17. T urn DIP switch num ber 8 to O n for fan on in heat. Remove th e two-st ...
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Honeywell TZ-3 - page 9
TZ-3 T OTALZONE® ZO NE CONTROL PANEL 9 68-0223-2 W aterfu rnace: Wire this s y stem to t he p anel as shown i n Fi g . 17 exce p t use tw o isola tion rela y s on com p ressor wires W1, Y1 and W 2, Y2. Fig. 17. W ater source heat pump wiring. STARTUP AND CHECKOUT After the i nstallati on is com p lete, veri f y corre ct o p erat ion as follows: 1. ...
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Honeywell TZ-3 - page 10
TZ-3 T OTALZONE® ZONE CONTROL PANEL 68-0223-2 10 OPERATION Sequence of Operation On a c all for hea tin g or coo lin g , the zone dam p er sta y s o p en to the c allin g zone, an d the d am p ers clos e to the z ones that are no t call in g . The T Z-3 p anel brin g s on the heatin g or coolin g and condition ed air is deliv ered to the callin g ...
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Honeywell TZ-3 - page 11
TZ-3 T OTALZONE® ZO NE CONTROL PANEL 1 1 68- 0223-2 . Stages Based On Number of Zones Calling The therm ostat co ntrols the first s ta g e of heat o r cool . The secon d sta g e of hea t and c ool and t he third sta g e of hea t are ener g ized b y the p ercenta g e of zo nes call in g . See T able 4. Set the DIP s witches as f ollows: See T able ...
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Honeywell TZ-3 - page 12
TZ-3 T OTALZONE® ZONE CONTROL PANEL 68-0223-2 12 Rebooting M icr op roces sor Certain conditi ons can h an g u p the mic ro p rocess or . T o reset it, p res s and rele ase th e Bo ot but ton. The s y stem re boots and enters th e Pur g e mo de. Discharge Air Temperature Sensor The Di schar g e Air T em p erat ure S ensor ( not incl uded ) is a su ...
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Honeywell TZ-3 - page 13
TZ-3 T OTALZONE® ZO NE CONTROL PANEL 13 68-0223-2 TROUBLESHOOTING T able 5. T roubleshooting. Symptom Possibl e Cause Action No LEDs are Illum inated No p ower to the board. Check fo r 24 V ac ( ±1 0 % ) across T R1 and TR2 Shorted wire . Check fu se. If hot, a s hort exis ts in the rmosta t, dam p er , or Zone-A-L one wirin g . Dam p er LE Ds on ...
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Honeywell TZ-3 - page 14
TZ-3 T OTALZONE® ZONE CONTROL PANEL 68-0223-2 14 T able 6. DIP Switch Set tings and Fun ctions. T able 7. LED Indicators. DIP Switch Function Off (default) On 1 Sta g in g b y number of zo nes callin g . Sta g es timer o r thermostat controlle d. Sta g es control led b y numbe r of z one s calli n g . 2 ZMS low li mit. 40°F 48°F 3 Pur g e mode t ...
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Honeywell TZ-3 - page 15
TZ-3 T OTALZONE® ZO NE CONTROL PANEL 15 68-0223-2 See Fi g . 20 for TZ -T otalZ one Zone Co ntrol Pa nel. Fig. 20. TZ-3 T otalZone Zone Con trol Panel. ZoneMAX™ TERMINALS SYSTEM ST ATUS LED INDICA TIORS TEST JUMPERS (NOT USED) ZONE DAMPER LED INDICA TORS Z ONE- A - L ONE™ SWITCH BOOT BUTTON EMERGENCY HEA T SWITCH RESETT ABLE FUSE TRANSFORMER T ...
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Honeywell TZ-3 - page 16
68-0223-2 G .H. Rev . 9-01 www .hone y well.com/ y ourhome Home and Building Control H ome and Building Control Honeywell Honeywell Lim ited-Honeywe ll Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers. TZ-3 T ...
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