Carrier 50HJ004 - Manuals

5 NOTES:1. Place unit on curb as close as possible to the duct end.2. Dimension in ( ) is in millimeters.3. Hook rigging shackles through holes in base rail as shown in detail "A." Holes in base rails are centered around the unit center of gravity. Use wooden top skid when rigging to prevent...

8 Step 5 — Make Electrical Connections ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death,Unit cabinet must have an uninterrupted, unbroken electrical ground to minimize the possibility of personal injury if an electrical fault should occur. This ground m...

9 Table 1—Physical Data 50HJ BASE UNIT 50HJ 004 005 006 007 NOMINAL CAPACITY 3 4 5 6 OPERATING WEIGHT (lb) Unit 435 445 465 540 Humidi-MiZer ™ Adaptive Dehumidification System 15 23 25 29 EconoMi$er IV 50 50 50 50 Roof Curb 115 115 115 115 COMPRESSOR Scroll Quantity 1 1 1 1 Oil (oz) 42 53 50 60 REFR...

10 Table 2—Physical Data 50HE BASE UNIT 50HE 003 004 005 006 NOMINAL CAPACITY 2 3 4 5 OPERATING WEIGHT (lb) Unit 435 445 465 635 Humidi-MiZer ™ Adaptive Dehumidification System 13 15 23 25 EconoMi$er IV 50 50 50 50 Roof Curb 115 115 115 115 COMPRESSOR Scroll Quantity 1 1 1 1 Oil (oz) 25 42 56 53 REF...

11 LEGEND C — Contactor COMP — Compressor IFC — Indoor (Evaporator) Fan Contactor NEC — National Electrical Code TB — Terminal Block 208/230-1-60 575-3-60 (SIZES 006 AND 007) 208/230-3-60 (SIZES 004 AND 005) 208/230-3-60 460-3-60 (SIZES 006 AND 007) 575-3-60 (SIZES 004 AND 005) 460-3-60 (SIZES 004 A...

30 CB — Circuit Breaker CR — Cooling Relay DHR — Dehumidify Relay DSV — Discharge Solenoid Valve HR — Heater Relay LPS — Low Pressure Switch LSV — Liquid Solenoid Valve LTLO — Low Temperature LockoutField Splice Terminal (Unmarked)SpliceFactory WiringField Control WiringField Power Wiring LEGEND C06...

33 PREMIERLINK CONTROL HINGED DOOR PANEL C06017 Fig. 23 --- PremierLink t Controller (Installed) TB - 1 R Y1 Y2 W1 W2 G C X 1 2 3 4 5 6 7 8 TB - 3 1 2 3 4 5 6 7 8 TB - 2 1 2 3 4 5 6 7 8 J6 ANAL O G J5 0-2 0mA IN J4 DISCRE TE J1 PWR J2 COMMS J9 0-20 mA J8 Relays HK50AA039 BRN BRN WHT WHT RED PNK PNK ...

35 NOTE : These instructions are for installing the optional EconoMi$er IV and EconoMi$er2 only. Refer to the accessoryEconoMi$er IV or EconoMi$er2 installation instructions whenfield installing an EconoMi$er IV or EconoMi$er2 accessory. 1. To remove the existing unit filter access panel, raise the ...

37 FOR OCCUPANCY CONTROL REPLACE JUMPER WITH FIELD-SUPPLIED TIME CLOCK LEGEND DCV— Demand Controlled Ventilation IAQ — Indoor Air Quality LA — Low Ambient Lockout Device OAT — Outdoor-Air Temperature POT — Potentiometer RAT — Return-Air Temperature Potentiometer Defaults Settings: Power Exhaust Midd...

39 activation to allow the dampers to open. This delay allows thedamper to reach the appropriate position to avoid unnecessary fan overload. Minimum Position Control There is a minimum damper position potentiometer on theEconoMi$er IV controller. (See Fig. 40.) The minimum damper position maintains ...

40 CONTROL CURVE ABCD CONTROL POINT APPROX. deg. F (deg. C) AT 50% RH 73 (23)70 (21)67 (19)63 (17) 12 1 4 1 6 18 20 2 2 24 26 28 30 32 3 4 36 38 40 42 44 46 9 0 1 0 0 80 70 6 0 50 40 30 20 10 ENTHALPY BTU PER POUND DRY AIR 85 (29) 90 (32) 95 (35) 100 (38) 105 (41) 110 (43) 35 (2) 35 (2) 40 (4) 40 (4...

42 Table 8—CO 2 Sensor Standard Settings SETTING EQUIPMENT OUTPUT VENTILATION RATE (cfm/Person) ANALOG OUTPUT CO 2 CONTROL RANGE (ppm) OPTIONAL RELAY SETPOINT (ppm) RELAY HYSTERESIS (ppm) 1 Interface w/Standard Building Control System Proportional Any 0-10V 4-20 mA 0-2000 1000 50 2 Proportional Any ...

43 Table 9—50HJ and 50he Fan Rpm at Motor Pulley Setting With Standard Motor* UNIT 50HJ 50HE MOTOR PULLEY TURNS OPEN 0 1 / 2 1 1 1 / 2 2 2 1 / 2 3 3 1 / 2 4 4 1 / 2 5 5 1 / 2 6 003 936 906 876 846 816 786 756 726 696 666 639 — — 004 1044 1008 971 935 898 862 826 789 753 716 680 — — 005 1185 1144 110...

44 Table 13—Accessory/FIOP Electric Heaters Static Pressure Drop (in. wg) — 50HJ004-007 and 50HE003--006 COMPONENT CFM 600 900 1200 1400 1600 1800 2000 2200 2400 2600 1 Heater Module 0.03 0.05 0.07 0.09 0.09 0.10 0.11 0.11 0.12 0.13 2 Heater Modules 0.14 0.15 0.16 0.16 0.16 0.17 0.17 0.17 0.18 0.18 ...

47 Table 20—Fan Performance 50HJ006, 50HE006 Single-Phase — Vertical Discharge Units; Standard Motor (Belt Drive)* AIRFLOW CFM EXTERNAL STATIC PRESSURE (in. wg) 0.2 0.4 0.6 0.8 1.0 Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1500 790 0.40 353 897 0.53 471 991 0.68 600 1075 ...

60 S With Y1 and Y2 energized Economizer maintains anSASP = SATLO2 + 3. S If SAT > SASP + 5 and economizer position >80%,economizer will go to minimum position for 3 minutes or until SAT > 68 _ F. S If compressor one is on then second stage ofmechanical cooling will be energized; otherwise ...

62 C06137 Fig. 53 --- Humidi--Mizer t Hot Gas Reheat Mode Operation Hot Gas Reheat Mode When the humidity levels in the space require humidity control, a hot gas solenoid valve (specific to hot gas reheat mode only) willopen to bypass a portion of hot gas refrigerant around the condenser coil. (See ...

63 Table 35—Humidi-Mizer Adaptive Dehumidification System Sequence of Operation and System Response — Single Compressor Unit (50HE003--006, 50HJ004-007) THERMOSTAT INPUT ECONOMIZER FUNCTION 48HE, HJ UNIT OPERATION H Y1 Y2 OAT. < Economizer Set Point Economizer Comp. 1 Subcooling Mode Hot Gas Rehe...

64 Low Charge Cooling Using Cooling Charging Charts, Fig. 58--61, vary refrigerant until the conditions of the charts are met. Note the charging chartsare different from type normally used. Charts are based on charging the units to the correct superheat for the variousoperating conditions. Accurate ...

67 50HE -- 5 TON CHARGING CHART 55.0 65.0 75.0 85.0 95.0 105.0 115.0 42 47 52 57 62 67 72 77 Suction Line Temp (deg F) S ucti on Li ne P ressu re (p si g) 310.0 410.0 510.0 610.0 710.0 810.0 0.0 5.0 10.0 15.0 20.0 25.0 Suction Line Temperature (deg C) S ucti on Li ne P ressu re (kp a) F C 115 46 105...

69 Table 36—Cooling Service Analysis PROBLEM CAUSE REMEDY Compressor and Condenser Fan Will Not Start. Power failure. Call power company. Fuse blown or circuit breaker tripped. Replace fuse or reset circuit breaker. Defective thermostat, contactor, transformer, or control relay. Replace component. I...

71 C06053 Fig. 70 --- EconoMi$er IV Functional View 50H E, H J

72 START-UP CHECKLIST (Remove and Store in Job File) I. PRELIMINARY INFORMATION MODEL NO.: SERIAL NO.: DATE: TECHNICIAN: II. PRE-START-UP (insert checkmark in box as each item is completed) j VERIFY THAT JOBSITE VOLTAGE AGREES WITH VOLTAGE LISTED ON RATING PLATE j VERIFY THAT ALL PACKAGING MATERIALS...