Instruction/ maintenance manual of the product DURAPAC 579F Bryant
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Cancels: II 579F-1 80-7 II 579F -180-8 3/15/06 installation , start-up and service instructio ns SINGLE P A CKA GE ROOFT OP GAS HEA TING/ELECTR IC COOLIN G UNITS 579F Dura Pa c Series Siz es 18 0-30 0 15 to 25 T ons CONTENTS Pag e SAFETY CONSIDERA TIONS .
— 2 — Fig. 1 — Roof Cu r b Details PKG. NO. REF . CURB HEIGHT DESCRIPTION CRRFCURB010A00 1 ′− 2 ″ (305) Standar d Curb 14 ″ High CRRFCURB011A00 2 ′ -0 ″ (610) Standar d Curb for Unit.
— 3 — IMPORT ANT : T he gask eting of t he unit to the roof curb o r adapter ro of curb is criti cal for a watertight seal. I n stall g as- ket with the roof curb o r adapter as shown in Fig . 1. Improp- erly applied gasket can also result in air leaks and poor unit performance .
— 4 — NO TE S: 1. Dimensions in ( ) are in millimeters. 2. Refer to Fig. 4 and 5 for unit operating weights. 3. Remov e boards at ends of unit and r unners pr ior to rigging. 4. Rig by inserting hooks into unit base rails as shown. Use cor ner post from packaging to protect coil f r om damage.
— 5 — NO TES: 1. Refer to p rint for roof curb acc essor y dim ensions. 2. Dimensions in ( ) are in millimeters. 3. Center of Gravity . 4. Direction o f airflow. 5. Ductwork to be attache d to accessor y roof curb only . 6. Minimu m cle arance: •R e a r : 7 ′ -0 ″ (2134) for coil removal.
— 6 — NO TES: 1. Re f er to prin t f or roof c urb acce ssory di me nsio ns . 2. Dimensions in ( ) are in millimeters. 3. C ent er of Gra vity . 4. Direction of ai rflow . 5. Ductwor k to be attached to accesso ry r oof cur b only . 6. Mi nim um clea rance: • Rear : 7 ′ -0 ″ (2134) for coil removal.
— 7 — T able 1 — Ph ysical Data LEGEND *Circuit 1 uses the lower por tion of condenser coil and lower portion of ev aporator coils; and Circuit 2 uses the upper por tion of both coils. †Rollout switch is manual reset. **The 579F300 units requires 2-in.
— 8 — III. STEP 3 — FIEL D F ABRICA TE DUCTWORK Se cure all duc ts to buildi ng stru ctur e. Us e fl exi bl e duc t con- nector s betwee n unit and du cts as requ ired. Insu late and weatherp roof all e xternal du ctwork, joints, and roof openings with co unte r flash ing and m asti c i n acc ord an ce wi t h appl ica- ble c odes.
— 9 — VII. STEP 7 — ORIFICE CHANGE This uni t is fact ory a ssemb led for hea ting ope ratio n using natural g as at an ele vation fr om sea level to 2000 ft . This unit uses ori fice type LH32RFn nn, where “nnn” i ndicates th e orifice size based on drill size diamet er in thou sands of an inch.
— 10 — VIII. STEP 8 — INST ALL GAS PIPING Unit is equi pped for use w ith natural gas . Installation must confo rm with lo cal bui lding codes or , in the absen ce of local codes , with the National Fuel Gas Code , ANSI Z223.1. Insta ll field-suppl ied manual g as shutoff valve with a 1 / 8 - i n .
— 11 — 7. Tu rn the hand le t o th e OFF posi tion and close t he door . Th e handl e shou ld f it over the end o f the sh aft when the d oo r is clos ed.
— 12 — T able 5 — El ectrical Da ta LEGEND *Fuse or HACR circuit breaker . NO TES: 1. I n compliance with NEC requirements for multimotor and combina- tion load equipment (ref e r to NEC Ar ticles 430 and 440), the ov ercur- rent protective de vice for the unit shall be fuse or HA CR breaker .
— 13 — XII. STEP 12 — INST ALL ALL A CCESSORIES Afte r all the fac tory -inst alled opti ons ha ve be en adj usted , install all field-i nstalle d accessori es. Refer to the acce ssory instal lation instructi ons inc luded with eac h accessor y .
— 14 — Instal l Moto rmas ter V Con trols The Motorma ster V cont rol is a motor s peed contro l device which adj usts c ondenser fan motor speed in re sponse to declining liquid refrigerant pressure.
— 15 — T abl e 8 — Outdoo r Ai r Dam per Leakag e T able 9 — Re turn Air Pressure Dr op (in. wg) B. EconoMi$erIV Sta ndar d Sensor s Outdoor Air Te mperature (OAT) Sensor The out door air temper ature se nsor (HH57AC074 ) is a 10 to 20 mA device used to measure the outdoor-air temperature.
— 16 — C. EconoMi$ e rIV Contr ol Mo des Determine the EconoMi$erIV control mode before set up of the control. Some modes of operatio n may r equire different sensors.
— 17 — T able 11 — EconoM i$erIV Sen sor Usage *CRENTDIF0 04A00 and CRTEMPS N002A00 accessories are used on man y diff erent base units . As such, these ki ts ma y contai n parts tha t wil l not be neede d f or installation. †CGCDXSEN004 A00 is an acces sory CO 2 se nsor.
— 18 — Indoor Air Quality (IAQ ) Sensor Input The I AQ inp ut ca n be used for dema nd control v entil ation control based on the leve l of CO 2 meas ured i n the space or re turn air du ct. Mount the accessory IAQ sensor according to manufacturer specific ations.
— 19 — Adjust the minimum pos ition potentio meter to all ow the minimum amount of o utdoor air , as requir ed by lo cal codes , to enter the building. Ma ke minimum position adjustments with at least 10° F temperature difference between the out- door and return-air temperatures .
— 20 — The sam e equation can be used to det erm ine th e occup ied or maximum ventilation ra te to the buildi ng. F or exampl e, an output of 3.6 vo lts t o the ac tuat o r pro vide s a ba se ventil at io n rate of 5% and an outp ut of 6.7 volts pr ovides t he maxim um ventilation rate of 20% (or ba se plu s 15 cfm pe r pe rson).
— 21 — XIV . STEP 14 — INST ALL HUMIDIST A T FOR OPTIONAL PERFECT HUMIDITY™ DEHUM IDIFICA TION P ACKA GE P erfect Humidity dehumidification package operation can be cont rolled by f ield installatio n of a Bryant-ap prov ed humid istat. T o instal l the humidis tat perform the following proced ure: 1.
— 22 — ST ART -UP Use th e follow ing in format ion and S tart-Up C heck list on page CL-1 to check out unit PRIOR to start-up . I. UNIT PREP ARA TION Check t hat unit has be en instal led in ac cordan c e wi th thes e instal lation instru ctions an d all appl icable codes .
— 23 — V . INTERNAL WIRING Check al l el ec tric al conne c tio ns in uni t co ntr ol boxe s; tig hte n as re quir ed . VI. CRANKCASE HEA TER (Size 300 a nd Units with P erfect Humidity™ Deh umidification Pack ag e Onl y) Crankc ase heater(s) is energ ized a s long as the re is powe r to the unit and the compressor is not oper ating.
— 24 — T able 14 — Fan P erforman ce — 579 F216 and 2 40 (Low Heat U nits) LEGEND NO TES: 1. Standar d low-medi um stati c drive range for size 216 is 910 to 1095 rpm . Standar d low-med ium static dri ve range for size 240 is 1002 to 12 25 r pm.
— 25 — T able 16 — Fan P erforman ce — 579 F180 (Hig h Heat Units ) LEGEND NO TES: 1. Standar d low-med ium stat ic dr ive range is 891 t o 1179 r pm. Alt er nate h igh- static dr ive range is 1227 to 1550. Other r pm s requ ire a fie ld-supp lied dr ive.
— 26 — T able 18 — Fan P erforman ce — 579 F300 (Hig h Heat Units ) LEGEND NO TES: 1. Standar d low-med ium stat ic dr ive range is 1066 to 12 83 r pm. Al ter nate h igh- static dr ive range is 1 332 to 1550. Other r pm s requi re a field -supplie d dri ve.
— 27 — T able 23 — Fan Rpm at Motor Pull ey Settings* *Approximate f an r pm shown. †Indicates standard low/medium static driv e package. **Indicates alternate high static-dr iv e package . ††Due to belt and pulle y size, pulley cannot be set to this number of turns open.
— 28 — XII. OPERA TING SEQUENCE A. Coolin g, Units Wi thout Econo mizer When therm ostat call s for co oling , termina ls G and Y1 are energized. The indoor (evaporator) fan contactor (IFC), com- pre ssor co ntac tor no . 1 (C1 ) and ou tdo or -fa n co nta cto r (O FC) are energize d, a nd eva porat or -fan motor , compre sso r no.
— 29 — C. Combus tion-Air Blo wer Clean perio dically to assur e proper airflow and heating effi- ciency . Inspect blow er whee l ev ery fall and peri odically during heating season. F or the first heating seaso n , inspect blowe r wheel bi-m onth ly to d eterm ine p rope r clea ning f requenc y .
— 30 — 7. Ensure cleaner th oroughly p enetra tes deep into finned are as. 8. Inte rior an d exteri or f inned area s mus t be th orough ly cleaned. 9. Finned surfaces sho uld re main we t with clea ning solution for 10 minutes. 10. Ensure sur faces are not allowed to dry b efore rins ing .
— 31 — IV . EV APORA T OR F AN SER VICE AND REPLACEMENT A. 579F1 80 Units (Se e Fig. 3 9) NO TE: T o remove be lts on ly , foll ow St eps 1-6 . 1. Remove filter and su pply-air section panels . 2. Remove unit top panel. 3. Loosen ca rriage nuts A and B holdin g motor moun t assemb ly to fan scroll side pl ates .
— 32 — B. 579F2 40,300 U nits (Fig. 42) 1. Shut off unit power supply . 2. Rem ove f an top- gril le asse mbl y and lo osen fan hub screw s. 3. Adjust fan height on uni t, using a str aightedge plac ed ac ross t he fan o rifice. 4. Tighten setscrews and replace rubber hubcap to pre- vent hub fr om rustin g to motor shaft.
— 33 — 4. Set main gas valve to ON positio n. 5. Set thermostat at setting to cal l for heat. 6. Remove sc rew cap cover ing regulato r adjustm ent scre w (S ee Fig. 44) . 7. Turn adjustment s crew clockwis e to increa se pres - sure or cou nterclockw ise to decre ase press ure.
— 34 — XVII. OPTIONAL HINGED ACCESS DOORS When the op tional s ervice packa ge is ord ered or the if the hinged access do ors optio n is order ed, the uni t will be provided wi th external and inter nal hinged acc ess doors to facili t ate s ervic e.
— 35 — Fig. 46 — T ypical Wirin g Schematic (579F 180, 2 08/230- V Shown).
— 36 — Fig. 47 — T ypical Compo nent Arrangement (579F2 40, 208/23 0-V Shown).
— 37 — LEGEND AND NOTES FOR FIG. 46 AND 47 QT — Quadruple T erminal RA T — Retur n Air T emperature Sensor RS — Rollout Switch SN — Sens or SW — Switch TB — T erminal Block TC — Ther.
— 38 — TROUBLESHOO TING I. UNIT TR OUBLESHOOTI N G Refe r to T ables 26- 2 8 an d Fig. 48. II. ECONOMI$ERI V TROUBLSHO O TING See T able 2 9 for Econo Mi$er IV lo gic. A function al view o f the EconoM i$erIV is shown in Fig . 49. Typical set tings , sensor ranges , and jumper position s are also sh own.
— 39 — G. EconoMi$ erIV T roub lesho oting Completio n This proce du re is us ed to r eturn the Eco noMi $erI V to o pera - tion. No troublesho oting o r test in g is done by performing the follow in g procedure . 1. Disconnect powe r at TR an d TR1.
— 40 — T able 27 — Heating Se rvice Anal ysis LE GEND GR — Ground T able 28 — P erfect Humi dity™ Dehumidification Su bcooler Service Analys is PR OBLEM C A USE REME D Y Burners Will Not Ignit e. Misaligned spar k electrodes. Check flame ignition and sens or electrode positioning.
— 41 — Fig. 48 — IG C Contr ol (Heatin g and Cooling) LEGEND IGC — Integrated Gas Unit Controller NO TE : Thermostat F an Switch in the “A UTO” position.
— 42 — T able 29 — EconoM i$erIV In put/Output Lo gic *For single enthalpy control, the module compares outdoor enthalpy to the ABCD set point. †P ower at N terminal deter mines Occupied/Unoccupied set ting: 24 v ac (Occupied), no power (Unoccupied).
— 43 — INDEX Air qua ntity lim its 26 Altitud e com pensat ion 9 Burne r spark gap 34 Change over s et poin ts 17, 18 Charging chart, refrig erant 32 Clearance 5,6 CO 2 senso r Configu rati on 20 .
— 44 — SER VICE TRAINING P ackaged Service T raining progra ms are an excel lent way to incre ase yo ur kno wledge o f the equ ipment discussed in this manual, including: • Uni t F am i liar iza.
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Copyright 2 006 Br yant He ating & Cooling System s Pr inted in U .S.A. CA T ALO G NO. 04-53579 001-01.
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Copyright 2 006 Br yant He ating & Cooling Systems Print ed in U.S.A. CL-1 CA T A LOG NO. 04-535 79001- 01 CUT ALONG DO TTED LINE CUT ALONG DO TTED LINE ST ART -UP CHECKLIST I.
An important point after buying a device Bryant DURAPAC 579F (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bryant DURAPAC 579F yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bryant DURAPAC 579F - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bryant DURAPAC 579F you will learn all the available features of the product, as well as information on its operation. The information that you get Bryant DURAPAC 579F will certainly help you make a decision on the purchase.
If you already are a holder of Bryant DURAPAC 579F, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bryant DURAPAC 579F.
However, one of the most important roles played by the user manual is to help in solving problems with Bryant DURAPAC 579F. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bryant DURAPAC 579F along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
