Instruction/ maintenance manual of the product 286A Bryant
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Installation Instruction 286A / 288A Evolution t Series Heat Pum ps with Puron r Refrigerant 2 T o 5 Nominal T ons (Sizes 024 to 060) NOTE : Read the en tire instru ction manu al befo re starting the installatio n. Un less o therwise no ted, info rmatio n in these in stallation ins tr uct ions per ta in t o both 286A and 288A ser ie s uni ts .
2 INST ALLA TI ON RECOMMENDA TI ONS NOTE : In so me cases no ise in the liv ing area h as been traced to gas pul sa tions f rom impr oper i nst al la ti on of equipme nt. 1. Loca te unit awa y from windows , pati os, de cks , etc . wher e unit oper at ion s ound ma y dis tur b cus tome r .
3 Op eratin g Ambien t The mi nimum outdoor oper at ing ambi ent in cooli ng mode is 55 _ F/12. 78 _ C wi thout low a mbie nt cooli ng ena ble d, and t he ma ximum out door ope ra ti ng am bie nt i n cool ing mode i s 125 _ F/51.
4 T able 1 – Re fr ige rant Conne ct ions and Re comm ende d Liquid and V apor T ube Di amet er s ( in. ) Inf orm ati on is Spe ci fi c t o 286A and 288A Model s UNIT SIZE LIQUID RA TED V APOR* Conn.
5 In sta ll Liqu id- - Lin e Filter Drier In door Refer to Fig. 3 and i nstall filter drier as fo llow s: 1. Bra ze 5- - i n. (127 mm) li quid tube t o t he indoor c oil . 2. Wrap filter drier with d amp cloth . 3. Braze filter d rier to a bove 5 - - i n.
6 NOTE : Inst al l bra nch ci rc uit dis conne ct of a dequa te si ze pe r NEC to handl e unit s tar ti ng cur re nt. Loca te dis conne ct w it hin si ght fr om and read ily accessible from u nit, per Sectio n 44 0 - - 14 of NE C. Route Ground a nd Powe r Wir es Rem ov e access pan el to gain access to uni t w iring .
7 Start- - Up CAUTION ! UNIT OPERA TION AND SAFETY HAZARD Failu re to fo llow this cautio n may resu lt in min or perso nal inj ury , equi pment da mage or i mprope r oper at ion. Obs er ve the f ollow ing: 1. Do not over cha r ge s yst em with r ef ri ger ant .
8 One Minute Stage Ch ange Time Delay on 286A Mo dels Whe n compr es sor cha nges s ta ges fr om high to low or l ow to high, there is a 1 - - minu te time d elay b efore co mp ressor restarts.
9 UTILITY RELAY * UTILITY SIGNAL OPEN RELAY * SUPPLIED BY UTILITY PROVIDER MODEL PLUG A06525 LLS Liquid Line Solenoid MODEL PLUG A06526 Fig. 6 - - 2 - - Stage C ontr ol Board GENE RAL INFORM A TION Low Ambient Coo ling Whe n t his uni t i s oper at ing be low 55 _ F (12.
10 The outdoor fa n output (ODF) wi ll re mai n of f for 20 se conds a ft er termin ation . T his delay w ill allow tim e for th e system to cap ture the he at f rom the outdoor c oil and re duce the “ st ea m c loud” e f fe ct that may o ccur on tran sition fro m defrost to the heatin g cycle.
11 MAJOR COMPONENTS 2- - Stage Control Board The HP cont rol boar d contr ols t he fol lowi ng func tions : S High a nd low st age compr es sor c onta ct or oper at ion S Outdoor f an motor ope ra tio.
12 and OCT fa ults w ill not be c le ar ed. The c ode wil l cont inue to be fl as hed. The cont rol i s shi pped wit h the brow nout ac ti ve. The c hange in st at us i s r em embe re d unti l t oggle d to a new s ta tus . A power down/pow er up se quenc e wi ll not r es et t he st at us.
13 0 10 20 30 40 50 60 70 80 90 0 (-17.77) 20 (-6.67) 40 (4.44) 60 (15.56) 80 (26.67) 100 (37.78) 120 (48.89) TEMPERATURE °F (°C) RESISTANCE (KOHMS) THERMISTOR CURVE A08054 Fig .
14 Stat us Codes T able 6 show s the s ta tus c odes f la she d by the a mber st at us l ight. Mos t s yst em pr oble ms ca n be di agnos ed by r ea ding t he s ta tus code as f la she d by the ambe r st at us l ight on the cont rol boa rd. The code s are f la she d by a se ri es of s hort a nd long fl as hes of the status lig ht.
15 RVS/Heat Stage 2 O/B W 2 Heat Stage 1 W /W 1 Compressor Low Y1 Compressor High Y/Y2 Fan G 24VAC Hot Heating Rh 24VAC Hot Cooling Rc Dry Contact 1 D1 Dry Contact 2 D2 24VAC Comm on C Humidify HUM Ou.
16 FINAL CHECKS IMPOR T ANT : Bef ore l ea ving job, be s ure t o do the fol lowi ng: 1. En sure that all w iring is rou ted away from tub ing an d sheet me ta l edge s to pre vent r ub - - t hrough or wir e pinc hing. 2. Ensur e tha t al l wir ing and tubing is se cur e in unit bef ore add ing p anels and co vers.
An important point after buying a device Bryant 286A (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 286A 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 286A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bryant 286A you will learn all the available features of the product, as well as information on its operation. The information that you get Bryant 286A will certainly help you make a decision on the purchase.
If you already are a holder of Bryant 286A, 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 286A.
However, one of the most important roles played by the user manual is to help in solving problems with Bryant 286A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bryant 286A 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
