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Bryant 280ANV - page 1
280ANV EVOLUTI ON R EXTREME V ARIABLE SP EED HEA T PUMP WITH PURON r REFR IGERANT (2 - - 5 T on) Installation Instructions NOTE : Read the en tire in structio n manu al b efo re starting the in stallatio n. T ABLE OF CONTENTS PA G E N O . SAFETY CONSIDERA TI ONS 2 ................................................................... INST ALLA TION RE ...
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Bryant 280ANV - page 2
2 Inf or ma ti on in t he se ins t al l at ion ins t ruc t ions per ta i ns only t o 280ANV se r ie s uni ts . SAF ETY CONSIDERA TI ONS Imp ro per installatio n , adju stmen t, alteration , service, m ain tenan ce, or use ca n ca us e explos i on, fi re , el ec t ri c al s hoc k, or other condi t ions w hic h ma y ca us e de a t h, per s onal inj u ...
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Bryant 280ANV - page 3
3 In stal la tion Reco mmend ati on s In som e cases n o ise in the living area has been traced to g as puls a ti ons f rom im prope r i nst a ll a ti on of equi pment . 1. Loca te unit awa y from windows , pati os , dec ks , etc . whe re unit oper at i on sound m ay di s tur b c ust ome r . 2. In n o ise sen sitive ap p lication s (su ch as b ed r ...
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Bryant 280ANV - page 4
4 Step 2 — In stal l o n a S oli d , L evel Mou n tin g Pa d If c ondi ti ons or loc a l code s r equi r e the uni t be at ta c hed to pad, ti e down bolt s shoul d be us e d a nd fa s te ne d thr ough knoc kouts provi de d in uni t ba s e pan. Ref e r t o uni t mount ing pa t te r n i n Fi g. 3 to det e rmi ne ba s e pan si z e and knockout hol ...
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Bryant 280ANV - page 5
5 Ste p 7 — Make P iping Conne ct ions ! W ARNING PERSONAL INJUR Y AND UNIT DAM AGE HAZARD Fai l ure t o fol l ow thi s wa rni ng could r e s ult i n per s onal i njur y or death . Rel i eve pr e ss ur e and re c over a ll re fr i ger a nt bef ore sys te m re pa ir or f i nal uni t di spos a l. U se a l l se r vic e por ts and open al l fl ow- - ...
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Bryant 280ANV - page 6
6 Outdoor Unit Connected to Fac tory - - App roved Ind oor Unit Outdoor uni t c onta i ns c orr e ct s ys te m re f ri ge ra nt c har ge f or oper a ti on wit h fa c tor y- - approve d, AHRI- - ra te d s ma ll e st i ndoor uni t whe n conne c te d by 15 f t. (4.57 m) of fi e ld- - suppli e d or factory - - accesso ry tu bin g , and facto ry - - s u ...
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Bryant 280ANV - page 7
7 500 MINUTES 0 1 23 4 5 67 1000 1500 LEAK IN SYSTEM V ACUUM TIGHT TOO W E T TIGHT DR Y SYSTEM 2000 MICRONS 2500 3000 3500 4000 4500 5000 A95424 A95424 Fig . 7 - - Deep V acu um Gra p h Fi nal T ubi ng Ch eck IMPOR T ANT : Chec k t o be c e r ta in f a ct or y tubi ng on both indoor and outdoor uni t has not shif t ed duri ng s hi pme nt. Ens ure t ...
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Bryant 280ANV - page 8
8 Step 10 — In sta ll Acces so ries Th ere are n o refrig eratio n circu it or electrical accesso ries req uired or availab le for installatio n with in the un it. E x ternal to th e u nit, th e same accesso ries su ch as the liq u id line so len o id, s upport f e et , snow r ac k, wi nd baf f le et c ., a r e avai l abl e on o the r Br yant uni ...
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Bryant 280ANV - page 9
9 Crankcase Heater Operat ion Th is u nit h as an in ternal cran k case heater that will b e energized du rin g the off cycle and is in tellig ently d eman d ed b y th e sy stem to pre ve nt the c ompr e ss or f rom bei ng the col de st par t of the s yst e m thu s en han cin g t he reliab ility. Th e cran kcase h eater w ill fu nctio n as ne e de ...
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Bryant 280ANV - page 10
10 Th e co n tro l b o ard accum u lates com presso r run tim e. A s th e accum u lated run tim e appro ach es the selected defrost in terval time, the c ont rol boa r d monit ors t he c oil t em per a tur e s ens or f or a def ros t dem and . If a d efro st d eman d ex ists, a d efro st cy cle w ill be in itiated at the en d of th e selected time ...
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Bryant 280ANV - page 11
11 0 50 100 150 200 250 300 350 400 0 1 02 03 04 05 06 0 V apor Service V alve Pressure Suction Pressure For use in Heating Charging Mode only Heating Check Chart - 280ANV024/036 See user interface set in Charging Mode Charging In Cooling Mode - 280ANV024/036 (-18ºC) (-12ºC) (-10ºC) (-7ºC) (4ºC) (10ºC) (16ºC) Outdoor Ambient T emperature ºF ...
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Bryant 280ANV - page 12
12 MAJOR COMPONENTS V ariab le speed C on tr ol Board The HP cont rol boa rd cont r ols t he fol l owing func t ions : S Co mp resso r sp eed S Conta c tor ope r at i on S Outdoor f a n motor ope ra t ion S Reve r si ng valve ope r at i on S Defro st op eratio n S Lo w am bien t co o ling S Cran k case heater o peratio n S Pressu re sw itch m on it ...
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Bryant 280ANV - page 13
13 Pres s ur e Swit ch Pro tection The outdoor unit is e quippe d wi th high pr es s ure s wi tc h. If t he cont r ol se ns es the openi ng of a high pres s ure s wi tc h, it wil l re s pond as fol l ows : 1. D e - - en ergize th e co ntacto r . 2. Kee p the outdoor fa n oper a ti ng f or 15 mi nut es . 3. Dis pla y the a ppropr i at e f aul t code ...
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Bryant 280ANV - page 14
14 Outd oo r Coil T hermis tor The outdoor c oi l ther mi st or i s a 10Kohm r es i st or us ed for mu ltiple system o peratio n s. It pro v id es the co il/liq uid lin e temp erature to the h eat p um p b o ard an d user in terface. Lo w amb ient o p eration , defro st in itiatio n, d efro st terminatio n and assistan ce w ith OA T te mpe r at ur ...
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Bryant 280ANV - page 15
15 Stat us Codes T abl e 7 shows t he st a tus c ode s fl a she d by the ambe r s ta t us l i ght. Mos t s ys te m pr obl ems ca n be diagnos e d by re a di ng t he sta t us code as fl as he d by t he a mbe r sta t us l ight on the cont rol boar d. The code s a re f l as he d by a se r ie s of s hort a nd long fl a she s of the status lig h t. T h ...
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Bryant 280ANV - page 16
16 CB MODEL PL8 FORCED DEFROST J2 1 BRN RED SEC1 SEC2 PWM2 PWM1 INVERTER PL1 PL2 RVS CC PL1 1 PL4 PL6 OCT OA T SPT OST A B C NO USE UTIL LS Y C O COMM ST A TUS YEL BLU EXV PL5 PL3 HPS Utility Inter face* A11544 Fig. 20 - - V ariabl e Spe ed Contr ol Board with op tion a l Utility Rela y CB MODEL PL8 FORCED DEFROST J2 1 BRN RED SEC1 SEC2 PWM2 PWM1 I ...
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Bryant 280ANV - page 17
17 T a ble 7 – T roubl esho oti ng F AUL T DESCRI PTIO N SEN T TO UI FLASH COD E (AMBE R LED ) RESET TI ME (minut es) --- --- St andby ON, no f la sh --- --- Va r ia b le C a p ac i ty or E m e r g e n c y Mode 1, p ause --- --- V ariabl e Spee d Range Cutback 1( 2s e cO N ) ,l o n g e rp a u s e ( 1 second O FF) Communi cat ions L oss 16 NA Inva ...
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Bryant 280ANV - page 18
18 FINAL CHECKS IMPOR T ANT : IMPOR T ANT : Bef or e le a ving job, be sure to do th e follo win g : 1. E n sure th at all wirin g is ro u ted aw ay from tu b in g and s hee t me ta l e dge s to pre vent r ub- - through or wir e pi nchi ng. 2. Ensur e t ha t a l l wi r ing a nd tubi ng i s s e cur e in unit bef or e a ddi ng pane l s a nd c ove rs ...
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