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Heat Controller R-410A manual

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Table of contents for the manual

  • Page 1

    I N S T A L L A T I O N I N S T R U C T I O N S H I GH - E F F I C I E N C Y CO N D E N S I N G U N I TS F E A T U R IN G E A R T H - F R I E N D L Y R - 41 0 A R E F R I G E R A NT RSG - 6 1 ⁄ 2 & 7 1 ⁄ 2 T ON 92-42665-14-01 SUPERSEDES 92-42665-14-00 W ARNING [ ] INDICATES METRIC CONVERSIONS e a r t h f r i e n d l y r e f r i g e r a n t [...]

  • Page 2

    2 T ABLE OF CONTENTS I .S A F E T YI N F O R M A T I O N ...........................................3 I I . I N T R O D U C T I O N ..................................................4 I I I . C H E C K I N GP R O D U C TR E C E I V E D ...................................4 I V . E Q U I P M E N TP R O T E C T I O N ..................................[...]

  • Page 3

    3 1.0 SAFETY INFORMA TION ! W ARN ING TH IS U NI T MUS T BE P ER MA NEN TL Y GR OUN DE D. A G ROU ND L UG I S PROVIDED NEAR THE CONTACTOR FOR A GROUND WIRE. FAILURE TO D O SO C A N CA U SE A F I RE O R E LE C TR I CA L S HO C K RE S UL T IN G I N PROPERTY DAMAGE, SEVERE PERSONAL INJURY OR DEATH. ! W ARN ING AFTER COMPLETION OF WIRING CHECK ALL ELEC[...]

  • Page 4

    4 II. INTRODUCTION This booklet contains the installation and operating instructions for your self-contained air conditioner. There are a few pre cautions that should be taken to de rive maximum satisfaction from it. Improper installation can result in unsatisfactory operation or danger- ous conditions. Read this booklet and any instructions packag[...]

  • Page 5

    5 V . WHY USE AN AIR COOLED SPLIT SYSTEM? • With an air cooled system, you have no water or sewer connections to make, and no troublesome and costly water treatment problems. • Since the condensing unit is located outside the building, and the low profile air han- dling unit can be installed in the drop ceiling or in the conditioned space, you [...]

  • Page 6

    6 VI. ST ANDARD UNIT FEA TURES — 6 1 ⁄ 2 AND 7 1 ⁄ 2 CABINET — Galvanized steel with a durable powder coat paint finish. The cabinet front and sides are formed into a one piece unitized design with stamped louvers to provide protection for the condenser coils. SERVICE ACCESS — Control box with separation between line and control voltages,[...]

  • Page 7

    TABLE 2 P HYSICAL AND ELECTRICAL DATA TABLE (RSG) 7 Condensing Unit 078 090 Operating Weight (lbs.) [kg] 264 [119.8] 287 [130.2] Shipping Weight (lbs.) [kg] 283 [128.9] 306 [138.8] COMPRESSOR: Quantity 11 Type Scroll RPM 3500 CONDENSER FANS: Quantity 11 CFM [L/s] 4700 [2218] 4700 [2218] Diameter (in.) [mm] 24 [610] 24 [610] Motor Horsepower (ea.) [[...]

  • Page 8

    8 C. ORDER P ARTS When reporting shortages or damaged parts, or when ordering repair parts, give the c omplete unit model and serial numbers which are stamped on the Unit Rating Plate. D. ST ANDARD ITEMS The condensing unit consists of a completely assembled package which includes a com- p ressor, a condenser coil, fan, fan motors, outdoor control [...]

  • Page 9

    TABLE 3 REFRIGERANT PIPING DATA Equivalent Length (ft.) [m] of straight type “L” tubing for non-ferrous valves and fittings (brazed). Tube Size, O.D. 9 VIII. REFRIGERANT PIPING DA T A CONDE NSING UNI TS ARE SHI PPED WITH A N ITROGE N HOLDING C HARGE. EVACU ATE CONDE NSING UN IT BEFORE C HARGIN G WITH REFR IGERAN T. FIGURE 4 ROOFTOP INSTALLATION[...]

  • Page 10

    10 ! W ARN ING DO NOT U SE OX YGEN T O PUR GE LIN ES OR P RES SURE S YSTE M FOR L E A K T E S T . O X Y G E N R E A C T S V I O L E N T L Y W I T H O I L , W H I C H C A N CAUSE AN EXPLOSION RESULTING IN SEVERE PERSONAL INJURY OR DEATH. FIGURE 5 L IQUID LINE PRESSURE DROP PER 100 FEET EQUIVALENT LENGTH (TYPE L COPPER TUBING) NOTES: 1. When evaporat[...]

  • Page 11

    11 7. Insulate the liquid line whenever the heat pick-up or transfer can affect the sub-cool- ing. 8. Care should be taken to avoid transmission of noise or vibration to building structure. NOTES: 1. The minimum velocity line (700 fpm) is recommended for cooling only units with verti- cal or horizontal run refrigerant lines. 2. For suction pressure[...]

  • Page 12

    12 FIGURE 8 COIL ABOVE CONDENSING UNIT FIGURE 7 COIL BELOW CONDENSING UNIT 16' to 50' 51' to 100' 101' to 150' EQUIVALENT LENGTH TO EVAPORATOR (FEET) 0' to 15' LIQUID LINE O.D. SIZES (INCHES) RECOMMENDED VAPOR AND LIQUID LINE SIZES FOR VARIOUS LENGTHS OF RUN VAPOR LINE O.D. SIZES (INCHES) 078 1 ⁄ 2 1 ⁄ 2 [...]

  • Page 13

    13 VIX. WIRING NOTE: Field wi ring must comply wi th the National Ele ctric Code (CEC in C anada) and any local ordi nance that may app ly. X. ELECTRICAL POWER It is i mpo rtan t tha t pro per el ect ric al pow er is a vai labl e at th e uni t. Vol tag e mus t not va ry mor e tha n 10% of t hat s tam ped on t he ra tin g pla te. (S ee El ect rica l[...]

  • Page 14

    14 XVI. R-410A REFRIGERANT A. TOOLS REQUIRED FOR INST ALLING & SERVICING R-410A MODELS M anifold Sets: -Up to 800 PSIG High Side -Up to 250 PSIG Low Side -550 PSIG Low Side Retard Manifold Hoses: -Service Pressure Rating of 800 PSIG Recovery Cylinders: - 400 PSIG Pressure Rating -Dept. of Transportation 4BA400 or 4BW400 B. SPECIFICA TION OF R-4[...]

  • Page 15

    D. REPLACEMENT UNITS To prevent failure of a new condensing unit, the existing evaporator tubing system must be correctly sized and cleaned or replaced. Care must be exercised that the expansion device is not plugged. For new and replacement units, a liquid line filter drier should be installed and refrigerant tubing should be properly sized. Test [...]

  • Page 16

    T ABLE 5 16 (1) Wire length equals twice the run distance. FIELD WIRE SIZE FOR 24 VOLT THERMOSTAT CIRCUITS SOLID COPPER WIRE - AWG 3.0 16 14 12 10 10 10 2.5 16 14 12 12 10 10 2.0 18 16 14 12 12 10 50 100 150 200 250 300 Length of Run - Feet (1) Thermostat Load - Amps N OTE: The condensing unit is shipped with a holding charge of dry nitrogen which [...]

  • Page 17

    17 15. Note weight of refrigerant tank. 16. When system has stabilized, check superheat at the suction line service valve. The actual line temperature should be 15° to 25°F higher than the saturation temperature corresponding to the suction pressure. If superheat is measured at evaporator, the actual line temperature should be 15° to 20° higher[...]

  • Page 18

    18 B. LIQUID PRESSURE CONTROL Outdoor fan motor speed control designed to regulate condenser head pressure at low ambients by varying the air volume through the condenser. Has been tested and is avail- able through the parts department. C. LIQUID LINE SOLENOID V AL VE LIQUID LINE SOLENOID VALVE (24V) — Recommended for all split system applica- ti[...]

  • Page 19

    19 RSG078 SYSTEM CHARGE CHAR T 6 1 ⁄ 2 T ON CONDENSER Pressure at Liquid Service P ort (psig) Pressure at Suction Service P ort (psig) 6-1/2 T ON CONDENSING UNIT 60HZ. REFRIGERANT R-410A 92-102644-01-01 CA UTION: BEFORE FINAL REFRIGERANT CHECK, INDOOR AIR TEMPERA TURE SHOULD BE A T COMFORT CONDITIONS FOR MOST ACCURA TE RESUL TS. INSTRUCTIONS: 1. [...]

  • Page 20

    20 Pressure at Liquid Service P ort (psig) Pressure at Suction Service P ort (psig) Outdoor Ambient (F° DB) 7-1/2 T ON CONDENSING UNIT 60HZ. R EFRIGERANT R-410A 92-102644-03-01 CA UTION: BEFORE FINAL REFRIGERANT CHECK, INDOOR AIR TEMPERATURE SHOULD BE AT COMFORT CONDITIONS FOR MOST ACCURA TE RESUL TS. INSTRUCTIONS: 1. CONNECT PRESSURE GUAGES TO SU[...]

  • Page 21

    21 B. MAINTENANCE AND OPERA TION 1. All access panels must be in place when unit is in operation. 2. For maximum efficiency, the condenser coil must be kept clean. Periodic inspections, depending on local conditions are recommended. If it is necessary to clean the con- denser coil, use a common garden hose. 3. Never operate the unit without filters[...]

  • Page 22

    22 W ARNING ! DISCONNECT ALL POWER TO UNIT BEFORE SERVICING. CONTACTOR MAY BREAK ONLY ONE SIDE. FAILURE TO SHUT OFF POWER CAN CAUSE ELECTRICAL SHOCK RESULTING IN PERSONAL INJURY OR DEATH. SYMPTOM POSSIBLE CAUSE REMEDY Unit will not run • Power off or loose electrical connection • Check for correct voltage at compressor contactor in control box [...]

  • Page 23

    23[...]

  • Page 24

    24 CM 1208[...]