Bryantメーカー286Aの使用説明書/サービス説明書
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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.
デバイスBryant 286Aの購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Bryant 286Aをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはBryant 286Aの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Bryant 286Aの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Bryant 286Aで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Bryant 286Aを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はBryant 286Aの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Bryant 286Aに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちBryant 286Aデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。