Bryant 286A инструкция обслуживания

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 . Inf [...]

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 . 2. Ensur e tha t vapor and liqui d tube di am et er s a re [...]

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. 67 _ C. On Evolut ion c ommunic at ing s yst em s only (for both 286A a nd 288A), l ow a mbie nt c ooli ng is a vai la b[...]

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 ection Diam eter T ube Diam eter Conn ection Diam eter T ube Diam eter 286A024 3/8 3/8 5/ 8 5/8 286A036 3/8 3/8 3/ 4 3/4 286A048 3/8 3/8 7/ 8 7/8 286[...]

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. (127 mm) l iqui d tube . Flow ar row mus t point t owar ds indoor c oil. 4. Co nn ect and braz[...]

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 . Exten d wires fr om dis connec[...]

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 . 2. Do not opera te uni t in a vac uum or at nega ti ve pre ss ure . 3. Do not disa ble [...]

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. T he outdoor f an mot or re mai ns runni ng. Compr essor Oper ation on 286A Mod els Whe n the c ompre ss or ope ra te s in hi gh st age ope ra ti on, t he c[...]

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. 78 _ C) outdoor te mpe ra tur e, pr ovis ions mus t be made f or low am bie nt[...]

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. T he outdoor f an output OFF del ay of 20 se conds[...]

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 tion S Reve rs ing val ve oper at ion S Defro st op eration S Lo w amb ient co olin g S Cran kcase h eater op eration S Compre ssor e xte rna l prot ec t[...]

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. I t may be nec ess ar y to do t he t oggle twic e to c ycl e[...]

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 . 7 - - Resista nce V a lues V ersu s T em pera ture If t he outdoor a ir or c oil t her mis tor s hould fa il , t he cont rol wi ll fl as h the appr opri at e fa ult c od[...]

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. T he sh ort flash[...]

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 Outdoor Air Temp OAT Remote Room Sensor RRS OAT/RRS Com OAT/RRS Outdoor Sensor * Humidifier Solenoid Valve * Remote Room Sensor * O Y1 W1 G W2 C Y2 R W1[...]

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. Secu rely fasten all p anels and [...]