Instruction/ maintenance manual of the product 664B Bryant
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1 664B 13 SEER S INGLE - - P ACKAGED H EA T PUMP SYSTEM WITH R - - 22 REF RIGERANT SINGLE AND THREE PHAS E 2 - - 5 NOMINAL T ONS (SIZES 024 - - 060) Installation Instructions NOTE : Read the en tire in structio n m anu al b efore starting th e installatio n .
2 SAF ETY CONSIDERA TIONS Installatio n and serv icing o f th is equ ipm en t can b e hazar dous due to m ec ha nic a l a nd e le c tr i ca l com ponent s . Onl y t ra i ned a nd qual i fi e d pers onne l shoul d ins ta l l, r e pai r , or se rvi c e thi s equi pme nt.
3 Wh en desig n ing an d in stalling d u ctwo rk , consid er the follo win g: UNIT DAMAGE HAZARD Failu re to follow th is cautio n may resu lt in damag e to un it com ponent s . Whe n conne cti ng duc twor k t o uni t s, do not dri l l dee pe r than 3 /4 in .
4 A08414 Fig. 5 - - Unit Bas e Dim ens i ons, 664B024- - 060 664B.
5 TOP CO VER INDOOR THERMOST AT DISCONNECT PER NEC (UNIT AND ELECTRIC HEA TER) FROM POWER SOURCE RETURN AIR POWER AND LOW -VOL T AGE ENTRY COMPOSITE RUST -PROOF BASEP AN CONDENSA TE DRAIN CONNECTION Pow er W ir i n g Control Wiring Condenser Airflow Evaporator Airflow A08207 Fig.
6 T a bl e 2 – Min imu m Airflo w fo r S afe E lectric Hea ter O pera tio n Unit Si ze Minimum Airflow ( CFM) 5kW 7.5kW 10kW 15kW 20kW 024 500 650 750 -- -- 030 600 800 1050 -- -- 036 600 800 1050 1.
7 HEATER LOW VOLTAGE PLUG A05388 Fig. 8 - - Contr ol Box Wi ri ng 3-PHASE CONNECTIONS T O DISCONNECT PER NEC SINGLE-PHASE CONNECTIONS T O DISCONNECT PER NEC GROUND LEAD UNIT GROUND BLK YEL BLU L L L C00012 Fig . 9 - - L ine P o wer C on n ection s Therm ostat Unit Control G Y W2 W3 R RED GRN YEL O ORN C BRN WH T VIO and subbase Power A05207 Fig.
8 c. In sp ect all field - - and factory - - w iring con nectio n s. Be sure th at co n nectio n s are com p leted an d tight. d. Ensure wire s do not t ouch r e fr i ger a nt t ubi ng or s ha rp sheet m etal ed ges. e. In sp ect coil fins. If damag ed d u ring sh ip p ing an d handl i ng, c a re f ull y s tr ai ght en f i ns w it h a f i n com b.
9 T a ble 3 – Re quir ed Subc ooli ng A08406 Ste p 4 — Indoor Air f low and Air flo w Adj ust- ments NOTE : For cool ing opera t ion, t he rec omme nded air f low is 350 to 45 0 cfm fo r each 12,0 0 0 Btu h o f rated coolin g cap acity. T able 4 s hows dr y c oil a ir del i ver y f or hor i zont a l di sc har ge unit s.
10 Step 5 — Unit Contr ols All c ompr e ss or s have t he f oll owi ng int e rna l- -prote c ti on contr ol s. HIGH- - PRESSURE RELIEF V AL VE Th is v alv e o p ens when th e pressu re dif feren tial betw een the lo w and h ig h side beco m es e x cessive.
11 A08209 Fig. 13 - - T ypical Si ngle- - Phase Uni t Ele c tr i cal Di agr am (Si ze s 024- - 042) 664B.
12 A06405 Fig. 14 - - T ypical Si ngle- - Phase Uni t Ele c tr i cal Di agr am (Si ze s 048- - 060) 664B.
13 A06325 Fig. 15 - - T ypical Thr ee- -Phase Uni t Ele c tr i cal Di agr am (Si ze s 030- - 042) 664B.
14 A06326 Fig. 16 - - T ypical Thr ee- -Phase Uni t Ele c tr i cal Di agr am (Si ze s 048- - 060) 664B.
15 A05209 Fig . 1 7 - - S in gle - - P h ase A ccessory Electric H eater Wiring A06327 Fig . 1 8 - - T hree- - Ph a se Accesso ry Electric Hea ter Wiring 664B.
16 T a bl e 4 – Dry C o il Air Delivery * Ho rizo nta l Discha rg e (Ded uct 1 0 p er cent fo r 2 08 V olt O pera tio n) 230 VOLT HORIZONTAL DISCHARGE UNIT SIZE SPEED TA P AIR DELIVER Y EX TE RNAL S T A T IC P R ES S URE (IN. WC) 0.1 0. 2 0.3 0.4 0.
17 T a b l e5–C o o l i n gC h a r g i n gC h a r t SUCTION LIN E TEMPERA TUR E ( ° F) Sucti on Line P ressur e (PSI G) OD T emp . ( ° F) 52 54 56 59 61 64 67 70 73 76 79 82 85 89 92 45 51 55 60 6.
18 Only qua lif ie d s er vi ce per s onne l shoul d per f orm ma int e nanc e and se r vic e pr oce dur es t ha t re qui re uni t top re mova l . Ref e r t o the foll owi ng top r em oval proc e dure s : 1. Remo v e screws o n unit to p cover su rface.
19 Step 4 — Ou tdoor Coil, In door Coil, and Conde nsa te D rain Pan Ins pe ct the conde ns e r coi l , eva por at or coi l, a nd conde nsa t e dr ai n pan at least on ce each y ear . Th e coils are easily cleaned w hen d ry ; th erefor e, inspect an d clean the co ils eith er b efo re or after each co o ling season .
20 STRAINER ACCUMULA TOR COMPRESSOR STRAINER LCS OUTDOOR COIL INDOOR COIL A B D C Check V alves A Open B Closed C Open D Closed LEGEND LCS Loss of Charge Switch Acutrol Metering Device Check V alve (Arrow indicates direction of flow) HEA TING CYCLE 1.
21 T a ble 9 – T roubl e shoot i ng Chart SYMPTOM CAUSE REMEDY Comp ressor and o ut door fan will no t start Power f ailur e Call power c ompany Fuse blown or c ircuit br eaker tr ipped Replace fus .
22 ST AR T - - UP CHECKLIST (REMOVE AND ST ORE IN JOB FIL E) I. PRELI MINAR Y INFORMA TION Mo del No ......................................................................................................................................................
An important point after buying a device Bryant 664B (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 664B 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 664B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bryant 664B you will learn all the available features of the product, as well as information on its operation. The information that you get Bryant 664B will certainly help you make a decision on the purchase.
If you already are a holder of Bryant 664B, 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 664B.
However, one of the most important roles played by the user manual is to help in solving problems with Bryant 664B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bryant 664B 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
