Page 1 48HC*04–14 Nominal 3 to 12.5 Tons With Puron (R410A) Refrigerant Service and Maintenance Instructions TABLE OF CONTENTS APPENDIX V. MOTORMASTER SENSOR LOCATIONS ....... . SAFETY CONSIDERATIONS .
Page 2 WARNING WARNING FIRE, EXPLOSION HAZARD ELECTRICAL OPERATION HAZARD Failure to follow this Failure to follow this warning could result in personal warning could result in injury or death. death, serious personal Before performing service or maintenance operations injury and/or property on unit, LOCK- - OUT/TAGOUT the main power damage.
Page 3: Unit Arrangement And Access
Routine Maintenance NOTICE These items should be part of a routine maintenance program, to be checked every month or two, until a OPERATIONAL TEST ALERT specific schedule for each can be identified for this Failure to follow this ALERT can result in an installation: unnecessary evacuation of the facility.
Page 4: Return Air Filters
Each of these filters and screens will need to be 17 1/4” periodically replaced or cleaned. RETURN AIR FILTERS CAUTION DIVIDER EQUIPMENT DAMAGE HAZARD OUTSIDE Failure to follow this CAUTION can result in premature wear and damage to equipment. HOOD CLEANABLE DO NOT OPERATE THE UNIT WITHOUT THE ALUMINUM...
Page 5 Supply Fan (Direct- -Drive) unit sizes direct- - drive Motor GRN/YEL forward- - curved centrifugal blower wheel is an available Power Connections option. The motor has taps to provide the servicer with the selection of one of five motor torque/speed ranges to best L G N match wheel performance with attached duct system.
Page 6 460, 575-v Units 208/230-v Units C09260 Fig. 7 - - Direct- - Drive Supply Fan Assembly Motor “rocking” on start- - up — When the motor first 9. Restore unit main power. starts, the rotor (and attached wheel) will “rock” back and 10.
Page 7 blower housing. A fixed- - pitch driven pulley is attached to STRAIGHTEDGE the fan shaft and an adjustable- - pitch driver pulley is on the motor. The pulleys are connected using a V- - belt. (See BROWNING BELT TENSION CHECKER Fig.
Page 8: Staged Air Volume Control - - 2 Speed Fan With Variable Frequency Drive (Vfd)
around the fixed flange side that increases or reduces the the condition of the motor pulley for signs of wear. pitch diameter of this driver pulley. (See Fig. 10.) Glazing of the belt contact surfaces and erosion on these surfaces are signs of improper belt tension and/or belt slippage.
Page 9: Additional Variable Frequency Drive Vfd) Installation And Troubleshooting
NOTE: The Remote VFD Keypad is a field- - installed ADDITIONAL VARIABLE FREQUENCY option. It is not included as part of the Factory installed DRIVE (VFD) INSTALLATION AND VFD option. TROUBLESHOOTING See “Variable Frequency Drive (VFD) Installation, Setup and Troubleshooting Supplement” for wiring schematics Additional installation, wiring...
Page 10 plate to the unit. Discard all lock washers. teeth on the lock washer are in contact with the motor’s painted base. Tighten motor mounting bolts to 120  12 9. Remove motor and motor mounting bracket from in- - lbs. unit.
Page 13: Cooling
COOLING Routine Cleaning of Coil Surfaces Periodic cleaning with TotalineR environmentally sound WARNING coil cleaner is essential to extend the life of coils. This cleaner is available from Replacement Components Division as part number P902- - 0301 for a one gallon UNIT OPERATION AND SAFETY HAZARD container, and part number P902- - 0305 for a 5 gallon Failure to follow this warning could cause personal...
Page 14 CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in accelerated corrosion of unit parts. Harsh chemicals, household bleach or acid or basic cleaners should not be used to clean outdoor or indoor coils of any kind. These cleaners can be very difficult to rinse out of the coil and can accelerate corrosion at the fin/tube interface where dissimilar materials are in C08206...
Page 15: Thermostatic Expansion Valve (Txv)
4. Clean coil using a commercial coil cleaner or dish- 3. Remove TXV using a wrench and an additional washer detergent in a pressurized spray canister. Wash wrench on connections to prevent damage to tubing. both sides of coil and flush with clean water. For best 4.
Page 16: Puronr (R- - 410A) Refrigerant
Amount of refrigerant charge is listed on the unit’s PURONR (R- -410A) REFRIGERANT nameplate. Refer Carrier GTAC2- - 5 Charging, Recovery, Recycling and Reclamation training manual This unit is designed for use with Puron (R- - 410A) and the following procedures.
Page 17 No Charge EXAMPLE: Model 48HC*A04 Use standard evacuating techniques. After evacuating system, weigh in the specified amount of refrigerant. Outdoor Temperature ....85_F (29_C) Suction Pressure .
Page 18: Cooling Charging Charts
COOLING CHARGING CHARTS C14053 Fig. 22 - - Cooling Charging Charts - - 3 Ton C14054 Fig. 23 - - Cooling Charging Chart - - 4 Ton...
Page 19 COOLING CHARGING CHARTS (cont.) C14055 Fig. 24 - - Cooling Charging Chart - - 5 Ton CHARGING CHART - R410A REFRIGERANT COOLING MODE-ALL OUTDOOR FANS MUST BE RUNNING Add Charge if Above the Curve Remove Charge if Below the Curve Compressor Discharge Pressure, [psig] 48TM502680 rev.
Page 20 COOLING CHARGING CHARTS (cont.) CHARGING CHART - R410A REFRIGERANT COOLING MODE-ALL OUTDOOR FANS MUST BE RUNNING Add Charge if Above the Curve Remove Charge if Below the Curve Compressor Discharge Pressure, [psig] 48TM502681 rev. - C14059 Fig. 26 - - Cooling Charging Chart - - 7.5 Ton CHARGING CHART - R410A REFRIGERANT COOLING MODE-ALL OUTDOOR FANS MUST BE RUNNING Add Charge if Above the Curve...
Page 21 COOLING CHARGING CHARTS (cont.) C14057 Fig. 28 - - Cooling Charging Chart - - 10 Ton 12.5 TON HC CKT B CHARGING CHART 12.5 TON HC CKT A CHARGING CHART (COOLING MODE ONLY) (COOLING MODE ONLY) (R410A REFRIGERANT) (R410A REFRIGERANT) ADD CHARGE IF ABOVE THE CURVE ADD CHARGE IF ABOVE THE CURVE REMOVE CHARGE IF BELOW THE CURVE...
Page 22: Compressor
COMPRESSOR CAUTION Lubrication INSTALLATION SITE DAMAGE The compressor is charged with the correct amount of oil Failure to follow this caution can result in damage to at the factory. equipment location site. CAUTION Puron (R- - 410A) refrigerant contains polyolester (POE) oil that can damage the roof membrane.
Page 23 Filter Drier Replace whenever refrigerant system is exposed to atmosphere. Only use factory specified liquid- - line filter Conduit driers with working pressures no less than 650 psig. Do not install a suction- - line filter drier in liquid line. A liquid- - line filter drier designed for use with Puron 0.14 in + 0.0 / -0.03 refrigerant is required on every unit.
Page 24 Table 6 – Heating and Cooling Troubleshooting PROBLEM CAUSE REMEDY Compressor and Power failure. Call power company. Outdoor Fan Fuse blown or circuit breaker tripped. Replace fuse or reset circuit breaker. Determine root cause. Will Not Start. Defective thermostat, contactor, transformer, Replace component.
Page 25: Convenience Outlets
CONVENIENCE OUTLETS 2. Loosen the two screws at the GFCI duplex outlet, until approximately -in (13 mm) under screw heads are exposed. WARNING 3. Press the gasket over the screw heads. Slip the backing plate over the screw heads at the keyhole ELECTRICAL OPERATION HAZARD slots and align with the gasket;...
Page 26: Smoke Detectors
SMOKE DETECTORS Smoke detectors are available as factory- - installed options on 48HC models. Smoke detectors may be specified for Supply Air only or for Return Air without or with economizer or in combination of Supply Air and Return Air. Return Air smoke detectors are arranged for vertical return configurations only.
Page 27 Smoke Detector Sensor The Smoke Detector Sensor (see Fig. 35) includes a plastic housing, a printed circuit board, a clear plastic cover, a sampling tube inlet and an exhaust tube. The EXHAUST TUBE sampling tube (when used) and exhaust tube are attached DUCT SMOKE SENSOR during installation.
Page 28 Return Smoke Detector Sensor without Completing Installation of Return Air Smoke Economizer: The sampling tube is located across the Detector: return air opening on the unit basepan. See Fig. 37. The holes in the sampling tube face downward, into the return FLEXIBLE EXHAUST TUBES air stream.
Page 29 FIOP Smoke Detector Wiring and Response Highlight E: GRA lead at Smoke Alarm input on LCTB provides 24- - v signal to FIOP DDC control. All units: FIOP smoke detector is configured to Premier- - Link: This signal is conveyed to PremierLink automatically shut down all unit operations when a smoke FIOP’s TB1 at terminal TB1- - 6 (BLU lead).
Page 30: Sensor And Controller Tests
SENSOR AND CONTROLLER 4. Verify that the controller’s Alarm LED turns off. TESTS Dirty Controller Test The dirty controller test checks the controller’s ability to Sensor Alarm Test initiate a dirty sensor test and indicate its results. The sensor alarm test checks a sensor’s ability to signal an NOTICE alarm state.
Page 31 4. Verify that the test/reset station’s Alarm LED turns NOTICE off. Remote Test/Reset Station Dirty Sensor Test OPERATIONAL TEST ALERT The test/reset station dirty sensor test checks the test/reset Failure to follow this ALERT can result in an station’s ability to initiate a sensor dirty test and indicate unnecessary evacuation of the facility.
Page 32 Alarm State 2. Verify that the test/reset station’s Trouble LED flashes. The smoke detector enters the alarm state when the Detector Cleaning amount of smoke particulate in the sensor’s sensing chamber exceeds the alarm threshold value. (See Table 8.) Cleaning the Smoke Detector Upon entering the alarm state: Clean the duct smoke sensor when the Dirty LED is S The sensor’s Alarm LED and the controller’s Alarm...
Page 33: Protective Devices
the duct smoke detector does not differentiate which 2. Configure the sensor dirty test to activate the control- sensor signals an alarm or trouble condition. Check each ler’s supervision relay. See “Changing sensor dirty sensor for Alarm or Trouble status (indicated by LED). test operation.”...
Page 34: Gas Heating System
Table 8 – Detector Indicators CONTROL OR INDICATOR DESCRIPTION Resets the sensor when it is in the alarm or trouble state. Activates or tests the sensor when it is in Magnetic test/reset switch the normal state. Alarm LED Indicates the sensor is in the alarm state. Trouble LED Indicates the sensor is in the trouble state.
Page 35 to operate with Liquid Propane (LP) fuels. These kits LP LPS include new orifice spuds, new springs for gas valves and a supply line low pressure switch. See section on Orifice J2-11 Replacement for details on orifice size selections. Low NOx models include specially- - sized orifices and use of different flue flow limits and tube baffles.
Page 36 Regulator Heater Tube Gasket Seal Strips, Sponge Rubber Regulator Assembly Baffle Assembly (Low NOx only) Retainer Support Insulation Assembly Wind Cap Assembly (shown inverted, as shipped) Flue Baffle (Low NOx only) Inducer Fan-Motor Assembly Burner Assembly C08227 Fig. 49 - - Heat Exchanger Assembly 3.
Page 37 7. Reinstall burner rack as described in Removal and Replacement of Gas Train section, above. Gas Valve — All three- - phase models (except Low NOx) are equipped with 2- - stage gas valves. Single- - phase models and all Low NOx models are equipped with single- - stage gas valves.
Page 38 LED error code can be observed through the viewport. If lockout occurs, unit may be reset by interrupting power During servicing refer to the label on the control box supply to unit for at least 5 seconds. cover or Table 13 for an explanation of LED error code descriptions.
Page 39 125,000/90,000 BTUH INPUT 180,000/120,000 BTUH INPUT 240,000/180,000 BTUH INPUT 250,000/200,000 BTUH INPUT C08447 Fig. 54 - - Spark Adjustment (Size 08- - 09) 125,000/90,000 BTUH INPUT 180,000/120,000 BTUH INPUT 240,000/180,000 BTUH INPUT 250,000/200,000 BTUH INPUT C08447 Fig. 55 - - Spark Adjustment (Size 12)
Page 40 IGNITER AND SENSOR LOCATIONS (BRACKET HEAT COVER NOT SHOWN FOR CLARITY) 0.130 5 CELL 50TM400735 6 CELL 50TM400484 0.181 8 CELL 50TM400485 10 CELL 50TM400439 C12092 Fig. 56 - - Spark Adjustment (Size 14) Table 13 – LED Error Code Description* IMPORTANT: Refer to Troubleshooting Table 13 and Table 14 for additional information.
Page 41 REGULATOR COVER SCREW (2) REGULATOR ON/OFF COVER SCREW PLASTIC ADJUST ON/OFF SWITCH SCREW (2) SWITCH PLASTIC ADJUST SCREW REGULATOR SPRING (2) REGULATOR SPRING NPT INLET (PROPANE - WHITE NPT INLET (PROPANE - WHITE NATURAL - SILVER) NATURAL - SILVER) LOW STAGE INLET INLET GAS PRESSURE...
Page 42 Table 14 – IGC Connections CONNECTION TERMINAL LABEL POINT DESCRIPTION SENSOR LOCATION TYPE OF I/O PIN NUMBER INPUTS RT, C Input power from TRAN 1 control box 24 VAC — Speed sensor gas section analog input J1, 1-3 FS, T1 Flame sensor gas section switch input...
Page 43 Table 16 – Altitude Compensation* (04- - 06) NATURAL GAS NOMINAL HEAT INPUT ELEVATION 72k BTUH 115k BTUH 150k BTUH Orifice Input Orifice Input Orifice Input Feet Meters Size (btu/hr) Size (btu/hr) Size (btu/hr) 0 --- 2000 0 --- 610 72,000 115,000 †30...
Page 44 Table 17 – Altitude Compensation* (07- - 12) NATURAL GAS NOMINAL HEAT INPUT ELEVATION 72k BTUH 125k BTUH 150k BTUH 180k BTUH 224k BTUH 250k BTUH Orifice Input Orifice Input Orifice Input Orifice Input Orifice Input Orifice Input Size (btu/hr) Size (btu/hr) Size...
Page 45 Table 18 – Altitude Compensation* (14) NATURAL GAS NOMINAL HEAT INPUT ELEVATION 150k BTUH 180k BTUH 240k BTUH 315k BTUH 350k BTUH Orifice Input Orifice Input Orifice Input Orifice Input Orifice Input Size (btu/hr) Size (btu/hr) Size (btu/hr) Size (btu/hr) Size (btu/hr) 0 - 2000...
Page 46 Table 19 – Altitude Compensation* (04- - 06) - - Low NOx Units NATURAL GAS ONLY NOMINAL HEAT INPUT ELEVATION 60k BTUH 90k BTUH 120k BTUH Orifice Input Orifice Input Orifice Input Feet Meters Size (btu/hr) Size (btu/hr) Size (btu/hr) 0 --- 2000 0 --- 610 60,000...
Page 47 Table 20 – Heating Service Troubleshooting PROBLEM CAUSE REMEDY Check flame ignition and sensor electrode positioning. Misaligned spark electrodes. Adjust as needed. Check gas line for air, purge as necessary. After purging gas line of air, allow gas to dissipate for at least 5 minutes No gas at main burners.
Page 48 Table 21 – IGC Board LED Alarm Codes ACTION TAKEN BY FLASH DESCRIPTION RESET METHOD PROBABLE CAUSE CONTROL CODE Normal Operation — — — Loss of power to the IGC. Check 5 amp fuse on IGC, power to unit, 24V circuit Hardware Failure No gas heating.
Page 49: Premierlink Control
Fig. 60 - - PremierLink Controller The PremierLink controller (see Fig. 60) is compatible mode, Carrier’s I- - Vu Open network, or a Third Party with Carrier Comfort Networkr (CCN) devices. This Building Automation System (BAS). On- - board DIP...
Page 50: Additional Rtu- - Open Installation And Troubleshooting
installation refer to base unit installation instructions and the unit’s wiring diagrams. WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury, death and/or equipment damage. Disconnect and lock- - out/tagout electrical power before wiring the RTU- - OPEN controller. ADDITIONAL RTU- -OPEN INSTALLATION AND TROUBLESHOOTING...
Page 51 Board Power (AO-1) DO-6 (Dehumidification) DO-7 (Reversing Valve) DO-8 (Power Exhaust) SPT (temp Input) Protocol Selector *Remove BACnet, Modbus, or N2 both for 0-5V SPT (common) (LON connection J15) SPT (offset input) C10818 Fig. 61 - - RTU- - Open Control Module...
Page 52: Economizer Systems
ECONOMIZER SYSTEMS ECONOMI$ER IV CONTROLLER The unit may be equipped with a factory- - installed or OUTSIDE AIR WIRING TEMPERATURE SENSOR HARNESS accessory (field- - installed) economizer system. Two types LOW AMBIENT SENSOR are available: with a logic control system (EconoMi$er ACTUATOR IV) and without a control system (EconoMi$er2).
Page 53 BLACK TRANSFORMER GROUND BLUE 500 OHM RESISTOR VIOLET NOTE 1 PINK OAT SENSOR 24 VAC NOTE 3 50HJ540573 ACTUATOR ASSEMBLY 4-20 mA WHITE DIRECT DRIVE TO J9 ON 4-20mA SIGNAL ACTUATOR PremierLink BOARD ECONOMISER2 PLUG NOTES: 1. Switch on actuator must be in run position for economizer to operate. 2.
Page 54 C06053 Fig. 66 - - EconoMi$er IV Functional View EconoMi$er IV Standard Sensors SUPPLY AIR TEMPERATURE Table 66 provides a summary of EconoMi$er IV. SENSOR MOUNTING LOCATION Troubleshooting instructions are enclosed. A functional view of the EconoMi$er is shown in Fig. 64. Typical SUPPLY AIR settings, sensor ranges, and jumper positions are also TEMPERATURE...
Page 55 factory with a supply- - air temperature sensor and an outdoor- - air temperature sensor. This allows for operation of the EconoMi$er IV with outdoor air dry bulb changeover control. Additional accessories can be added to allow for different types of changeover control and operation of the EconoMi$er IV and unit.
Page 56 Outdoor Enthalpy Changeover Differential Enthalpy Control For enthalpy control, accessory enthalpy sensor (p/n: For differential enthalpy control, the EconoMi$er IV HH57AC078) is required. Replace the standard outdoor controller uses two enthalpy sensors (HH57AC078 and dry bulb temperature sensor with the accessory enthalpy CRENTDIF004A00), one in the outside air and one in the sensor in the same mounting location.
Page 57 Indoor Air Quality (IAQ) Sensor Input Volatile Organic Compound (VOC) ventilation requirements. The maximum demand ventilation position The IAQ input can be used for demand control ventilation is used for fully occupied ventilation. control based on the level of CO measured in the space When demand ventilation control is not being used, the or return air duct.
Page 58 In order to have the CO sensor control the economizer Use setting 1 or 2 for Carrier equipment. See Table 23. damper in this manner, first determine the damper voltage 1. Press Clear and Mode buttons. Hold at least 5 output for minimum or base ventilation.
Page 59 Table 23 – EconoMi$er IV Sensor Usage IMPORTANT: Be sure to record the positions of all potentiometers before starting troubleshooting. ECONOMI$ER IV WITH OUTDOOR AIR DRY 1. Disconnect power at TR and TR1. All LEDs should BULB SENSOR APPLICATION be off. Exhaust fan contacts should be open. Accessories Required Outdoor Air None.
Page 60 Supply- -Air Sensor Input 3. Connect a 9- - v battery to AQ (positive node) and AQ1 (negative node). The LED for both DCV and Exhaust should turn on. The actuator should drive to between To check supply- - air sensor input: 90 and 95% open.
Page 61: Pre- - Start- - Up/Start- - Up
PRE- -START- -UP/START- -UP 2. Read and follow instructions on all WARNING, CAUTION, and INFORMATION labels attached to, or shipped with, unit. WARNING 3. Make the following inspections: a. Inspect for shipping and handling damages such PERSONAL INJURY HAZARD as broken lines, loose parts, or disconnected Failure to follow this warning could result in personal wires, etc.
Page 62 Refrigerant Service Ports WARNING Each unit system has two 1/4” SAE flare (with check FIRE, EXPLOSION HAZARD valves) service ports: one on the suction line, and one on Failure to follow this the compressor discharge line. Be sure that caps on the warning could result in ports are tight.
Page 63: Start- - Up, Premierlink Controls
- up and heating. setpoints from a zone sensor or terminal control module. During start- - up, the Carrier software can also be used to verify communication with PremierLink controller. NOTE: All set- - up and setpoint configurations are factory set and field- - adjustable.
Page 64: Start- - Up, Rtu- - Open Controls
4. Check to be sure the area around the unit is clear of NOTICE construction dirt and debris. 5. Check that final filters are installed in the unit. Dust SET- - UP INSTRUCTIONS and debris can adversely affect system operation. All set- - up and set point configurations are factory set 6.
Page 65 APPENDIX I. MODEL NUMBER NOMENCLATURE Packaging and Seismic Compliant Unit Heat Type Standard Gas Heat Packaged CA Seismic Compliant Rooftop LTL and CA Seismic Compliant Label Series/Model Electrical Options Standard Efficiency A = None C = Non-Fused Disconnect Heat Size D = Thru-the-Base Connections Low Heat Non-Fused Disconnect and Thru-the-Base Connections...
Page 66: Appendix Ii. Physical Data
APPENDIX II. PHYSICAL DATA Table 25 – PHYSICAL DATA (COOLING) 3 - - 4 TONS 48HC*A04 48HC*B04 48HC*A05 48HC*B05 Refrigeration System # Circuits / # Comp. / Type 1 / 1 / Scroll 1 / 1 / Scroll 1 / 1 / Scroll 1 / 1 / Scroll R--- 410a charge A/B (lbs --- oz) 9 --- 0...
Page 67 APPENDIX II. PHYSICAL DATA (CONT’D) Table 23 (cont.) - - PHYSICAL DATA (COOLING) 5 - - 6 TONS 48HC*A06 48HC*B06 48HC*A07 48HC*B07 Refrigeration System # Circuits / # Comp. / Type 1 / 1 / Scroll 1 / 1 / Scroll 1 / 1 / Scroll 1 / 1 / Scroll R--- 410a charge A/B (lbs --- oz)
Page 68 APPENDIX II. PHYSICAL DATA (cont.) Table 45 (cont.) - - PHYSICAL DATA (COOLING) 7- - 1/2 - - 8- - 1/2 TONS 48HC*D08 48HC*E08 48HC*D09 48HC*E09 Refrigeration System # Circuits / # Comp. / Type 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll...
Page 69 APPENDIX II. PHYSICAL DATA (cont.) Table 26 – PHYSICAL DATA (COOLING) 10 TONS 48HC*D11 48HC*E11 48HC*D12 48HC*E12 Refrigeration System # Circuits / # Comp. / Type 2/2/Scroll 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll 12 --- 11/ 12 --- RTPF models R--- 410a charge A/B (lbs --- oz) 12--- 10/ 13--- 0...
Page 70 APPENDIX II. PHYSICAL DATA (cont.) Table 46 (cont.) - - PHYSICAL DATA (COOLING) 12.5 TONS 48HC*D14 48HC*E14 Refrigeration System # Circuits / # Comp. / Type 2 / 2 / Scroll 2 / 2 / Scroll RTPF models R--- 410a charge A/B (lbs --- oz) 16--- 7 / 15--- 5 Alternate (MCHX) R--- 410a charge A/B (lbs --- oz) Alternate (Humidimizer) R--- 410a charge A/B (lbs --- oz)
Page 71: Appendix Iii. Fan Performance
APPENDIX III. FAN PERFORMANCE Table 27 – 48HC Size 04 1 Phase HUMIDI- - MIZER 3 Ton Vertical Supply Available External Static Pressure (in. wg) 0.14 0.25 0.38 0.53 0.69 0.17 0.28 0.41 0.56 1016 0.72 1050 0.19 0.30 0.44 0.59 1036 0.76...
Page 72 APPENDIX III. FAN PERFORMANCE (cont.) Table 29 – 48HC Size 04 3 Phase HUMIDI- - MIZER 3 Ton Vertical Supply Available External Static Pressure (in. wg) 0.14 0.25 0.38 0.53 0.69 0.17 0.28 0.41 0.56 1016 0.72 1050 0.19 0.30 0.44 0.59 1036...
Page 73 APPENDIX III. FAN PERFORMANCE (cont.) Table 31 – 48HC Size 05 1 Phase HUMIDI- - MIZER 4 Ton Vertical Supply Available External Static Pressure (in. wg) 1200 0.25 0.37 0.51 0.67 1077 0.84 1300 0.30 0.42 0.57 1028 0.73 1105 0.90 1400 0.35...
Page 74 APPENDIX III. FAN PERFORMANCE (cont.) Table 33 – 48HC Size 05 3 Phase HUMIDI- - MIZER 4 Ton Vertical Supply Available External Static Pressure (in. wg) 1200 0.25 0.37 0.51 0.67 1077 0.84 1300 0.30 0.42 0.57 1028 0.73 1105 0.90 1400 0.35...
Page 75 APPENDIX III. FAN PERFORMANCE (cont.) Table 35 – 48HC Size 05 3 Phase Non- - HUMIDI- - MIZER 4 Ton Horizontal Supply Available External Static Pressure (in. wg) 1200 0.24 0.35 0.48 0.63 1074 0.78 1300 0.29 0.41 0.54 1019 0.69 1099 0.85...
Page 76 APPENDIX III. FAN PERFORMANCE (cont.) Table 37 – 48HC Size 06 1 Phase HUMIDI- - MIZER 5 Ton Vertical Supply Available External Static Pressure (in. wg) 1500 0.41 0.55 1067 0.68 1158 0.81 1240 0.93 1625 0.50 1010 0.65 1109 0.79 1198 0.93...
Page 77 APPENDIX III. FAN PERFORMANCE (cont.) Table 39 – 48HC Size 06 3 Phase HUMIDI- - MIZER 5 Ton Vertical Supply Available External Static Pressure (in. wg) 1500 0.41 0.55 1067 0.68 1158 0.81 1240 0.93 1625 0.50 1010 0.65 1109 0.79 1198 0.93...
Page 78 APPENDIX III. FAN PERFORMANCE (cont.) Table 41 – 48HC Size 06 3 Phase Non- - HUMIDI- - MIZER 5 Ton Horizontal Supply Available External Static Pressure (in. wg) 1500 0.41 0.55 1002 0.71 1088 0.87 1167 1.05 1625 0.50 0.65 1041 0.81 1125...
Page 79 APPENDIX III. FAN PERFORMANCE (cont.) Table 43 – 48HC Size 07 3 Phase Non- - HUMIDI- - MIZER 6 Ton Vertical Supply Available External Static Pressure (in. wg) 1800 0.34 0.53 0.75 0.99 1.26 1950 0.40 0.60 0.83 1.08 1.35 2100 0.47 0.68...
Page 80 APPENDIX III. FAN PERFORMANCE (cont.) Table 45 – 48HC Size 08 3 Phase Non- - HUMIDI- - MIZER 7.5 Ton Vertical Supply Available External Static Pressure (in. wg) 2250 0.39 0.54 0.69 0.86 1.03 2438 0.47 0.63 0.79 0.97 1.15 2625 0.56 0.73...
Page 81 APPENDIX III. FAN PERFORMANCE (cont.) Table 47 – 48HC Size 09 3 Phase Non- - HUMIDI- - MIZER 8.5 Ton Vertical Supply Available External Static Pressure (in. wg) 2250 0.39 0.54 0.69 0.86 1.03 2438 0.47 0.63 0.79 0.97 1.15 2625 0.56 0.73...
Page 82 APPENDIX III. FAN PERFORMANCE (cont.) Table 49 – 48HC Size 11 3 Phase Non- - HUMIDI- - MIZER 10 Ton Vertical Supply Available External Static Pressure (in. wg) 3000 0.79 0.97 1.16 1.36 1.57 3250 0.96 1.16 1.37 1.58 1.80 3500 1.17 1.38...
Page 83 APPENDIX III. FAN PERFORMANCE (cont.) Table 51 – 48HC Size 12 3 Phase Non- - HUMIDI- - MIZER 10 Ton Vertical Supply Available External Static Pressure (in. wg) 3000 0.79 0.97 1.16 1.36 1.57 3250 0.96 1.16 1.37 1.58 1.80 3500 1.17 1.38...
Page 84 APPENDIX III. FAN PERFORMANCE (cont.) Table 53 – 48HC Size 14 3 phase 12.5 Ton Vertical Supply Available External Static Pressure (in. wg) 3438 0.59 0.81 1.08 1.40 1.74 3750 0.71 0.95 1.22 1.54 1.90 4063 0.86 1.11 1.39 1.71 2.07 4375 1.03...
Page 85 APPENDIX III. FAN PERFORMANCE (cont.) X13 MULTI- - SPEED/TORQUE MOTOR Table 55 – 48HC*A04 Horizontal Unit- - Direct Drive Table 56 – 48HC*A04 Vertical Unit- - Direct Drive Speed Speed (Torque) (Torque) 0.45 0.23 0.30 0.19 0.33 0.22 0.17 0.17 1050 0.22 0.20...
Page 86 APPENDIX III. FAN PERFORMANCE (cont.) X13 MULTI- - SPEED/TORQUE MOTOR Table 57 – 48HC*A05Horizontal Unit- - Direct Drive Table 58 – 48HC*A05 Vertical Unit- - Direct Drive Speed Speed (Torque) (Torque) 1200 0.49 0.35 1200 0.38 0.30 1300 0.34 0.33 1300 0.24 0.28...
Page 87 APPENDIX III. FAN PERFORMANCE (cont.) X13 MULTI- - SPEED/TORQUE MOTOR Table 59 – 48HC*A06 Horizontal Unit- - Direct Drive Table 60 – 48HC*A06 Vertical Unit- - Direct Drive Speed Speed (Torque) (Torque) 1500 0.40 0.50 1500 0.27 0.45 1625 0.20 0.48 1625 0.08...
Page 88 APPENDIX III. FAN PERFORMANCE (cont.) X13 MULTI- - SPEED/TORQUE MOTOR Table 61 – Pulley Adjustment Motor Pulley turns open UNIT Motor/Drive Combo Standard Static Phase Medium Static 1175 1135 1094 1054 1013 Standard Static* Medium Static 1175 1135 1094 1054 1013 Phase High Static...
Page 89: Appendix Iv Wiring Diagrams
APPENDIX IV. WIRING DIAGRAMS Table 62 – Wiring Diagrams 48HC*A04- -D14 UNITS STANDARD HUMIDI---MIZER SIZE VOLTAGE CONTROL POWER CONTROL POWER 230---1---60 48TM502525---F 48TM502526---F 48TM503098---I 48TM503099---H 208/230---3---60 48TM502525---F 48TM502527---F 48TM503098---I 48TM503100---I A04---A06 460---3---60 48TM502525---F 48TM502527---F 48TM503098---I 48TM503100---I 575---3---60 48TM502525---F 48TM502528---G 48TM503098---I 48TM503101---I 208/230---3---60 48TM500929---Q...
Page 90 APPENDIX IV. WIRING DIAGRAMS C14047 Fig. 76 - - 48HC*A04- - A06 YAC Control Diagram - - 208- - 1- - 60; 208/230- - 3- - 60; 460/575- - 3- - 60...
Page 91 APPENDIX IV. WIRING DIAGRAMS C14015 Fig. 77 - - 48HC*A07 YAC Control Diagram - - 208/230- - 3- - 60; 460/575- - 3- - 60...
Page 92 APPENDIX IV. WIRING DIAGRAMS C14021 Fig. 78 - - 48HC*D08- - D09 YAC Control Diagram - - 208/230- - 3060; 460/575- - 3- - 60...
Page 93 APPENDIX IV. WIRING DIAGRAMS C14026 Fig. 79 - - 48HC*D12 YAC Control Diagram - - 208/230- - 3060; 460/575- - 3- - 60...
Page 94 APPENDIX IV. WIRING DIAGRAMS C14007 Fig. 80 - - 48HC*A04- - A06 YAC Power Diagram - - 230- - 1- - 60...
Page 95 APPENDIX IV. WIRING DIAGRAMS C14010 Fig. 81 - - 48HC*A04- - A06 YAC Power Diagram - - 208/230- - 3- - 60; 460- - 3- - 60...
Page 96 APPENDIX IV. WIRING DIAGRAMS C14013 Fig. 82 - - 48HC*A04- - A06 YAC Power Diagram - - 575- - 3- - 60...
Page 97 APPENDIX IV. WIRING DIAGRAMS C14018...
Page 98 APPENDIX IV. WIRING DIAGRAMS C14019...
Page 99 APPENDIX IV. WIRING DIAGRAMS C13484 Fig. 83 - - 48HC*D08- - D09 YAC Power Diagram - - 230/460- - 3- - 60...
Page 100 APPENDIX IV. WIRING DIAGRAMS C14024 Fig. 84 - - 48HC*D08- - D09 YAC Power Diagram - - 575- - 3- - 60...
Page 101 APPENDIX IV. WIRING DIAGRAMS C14027 Fig. 85 - - 48HC*D12 YAC Power Diagram - - 230/460- - 3- - 60...
Page 102 APPENDIX IV. WIRING DIAGRAMS C14029 Fig. 86 - - 48HC*D12 YAC Power Diagram - - 575- - 3- - 60...
Page 103 APPENDIX IV. WIRING DIAGRAMS C14031 Fig. 87 - - 48HC*D14 YAC Control Diagram - - 208/230- - 3- - 60; 460/575- - 3- - 60...
Page 104 APPENDIX IV. WIRING DIAGRAMS C14032 Fig. 88 - - 48HC*D14 YAC Power Diagram - - 230/460- - 3- - 60...
Page 105 APPENDIX IV. WIRING DIAGRAMS C12462 Fig. 89 - - 48HC*D14 YAC Power Diagram - - 575- - 3- - 60...
Page 106 APPENDIX IV. WIRING DIAGRAMS C14008 Fig. 90 - - 48HC*A04- - A06 YAC Control Diagram - - 230- - 1- - 60; 230/460/575- - 3- - 60 with Humidi- - MiZer...
Page 107 APPENDIX IV. WIRING DIAGRAMS C14016 Fig. 91 - - 48HC*A07 YAC Control Diagram - - 230- - 1- - 60; 230/460/575- - 3- - 60 with Humidi- - MiZer...
Page 108 APPENDIX IV. WIRING DIAGRAMS C14022 Fig. 92 - - 48HC*D08- - D09 YAC Control Diagram - - 230/460/575- - 3- - 60 with Humidi- - MiZer...
Page 109 APPENDIX IV. WIRING DIAGRAMS C14028 Fig. 93 - - 48HC*D12 YAC Control Diagram - - 230/460/575- - 3- - 60 with Humidi- - MiZer...
Page 110 APPENDIX IV. WIRING DIAGRAMS C14009 Fig. 94 - - 48HC*A04- - A06 YAC Power Diagram - - 230- - 1- - 60 with Humidi- - MiZer...
Page 111 APPENDIX IV. WIRING DIAGRAMS C14012 Fig. 95 - - 48HC*A04- - A06 YAC Power Diagram - - 230/460- - 3- - 60 with Humidi- - MiZer...
Page 112 APPENDIX IV. WIRING DIAGRAMS C14014 Fig. 96 - - 48HC*A04- - A06 YAC Power Diagram - - 575- - 3- - 60 with Humidi- - MiZer...
Page 113 APPENDIX IV. WIRING DIAGRAMS C14017 Fig. 97 - - 48HC*A07 YAC Power Diagram - - 230/460- - 3- - 60 with Humidi- - MiZer...
Page 114 APPENDIX IV. WIRING DIAGRAMS C14020 Fig. 98 - - 48HC*A07 YAC Power Diagram - - 575- - 3- - 60 with Humidi- - MiZer...
Page 115 APPENDIX IV. WIRING DIAGRAMS C14023 Fig. 99 - - 48HC*D08- - D09 YAC Power Diagram - - 230/460- - 3- - 60 with Humidi- - MiZer...
Page 116 APPENDIX IV. WIRING DIAGRAMS C14025 Fig. 100 - - 48HC*D08- - D09 YAC Power Diagram - - 575- - 3- - 60 with Humidi- - MiZer...
Page 117 APPENDIX IV. WIRING DIAGRAMS C14030 Fig. 101 - - 48HC*D12 YAC Power Diagram - - 230/460- - 3- - 60 with Humidi- - MiZer...
Page 118 APPENDIX IV. WIRING DIAGRAMS C14046 Fig. 102 - - 48HC*D12 YAC Power Diagram - - 575- - 3- - 60 with Humidi- - MiZer...
Page 119 APPENDIX IV. WIRING DIAGRAMS C14033 Fig. 103 - - 48HC*D14 YAC Control Diagram - - 230/460/575- - 3- - 60 with Humidi- - MiZer...
Page 120 APPENDIX IV. WIRING DIAGRAMS C12464 Fig. 104 - - 48HC*D14 YAC Power Diagram - - 230/460- - 3- - 60 with Humidi- - MiZer...
Page 121 APPENDIX IV. WIRING DIAGRAMS C12465 Fig. 105 - - 48HC*D14 YAC Power Diagram - - 575- - 3- - 60 with Humidi- - MiZer...
Page 122 APPENDIX IV. WIRING DIAGRAMS 50HE500751 50HE500891 C12263 Fig. 106 - - PremierLink System Control Wiring Diagram...
Page 123 APPENDIX IV. WIRING DIAGRAMS C12690 Fig. 107 - - PremierLink System Control Wiring Diagram...
Page 124 APPENDIX IV. WIRING DIAGRAMS C14035 Fig. 108 - - PremierLink System Control Wiring Diagram with Humidi- - MiZer...
Page 125 APPENDIX IV. WIRING DIAGRAMS C14034 Fig. 109 - - RTU- - Open Wiring Diagram...
Page 126: Locations
APPENDIX V. MOTORMASTER SENSOR LOCATIONS C10273 C10274 Fig. 110 - - 48HC*A04 Outdoor Circuiting Fig. 112 - - 48HC*A07 Outdoor Circuiting C08260 C08262 Fig. 111 - - 48HC*A05/06 Outdoor Circuiting Fig. 113 - - 48HC*A08 Outdoor Circuiting...
Page 127 APPENDIX V. MOTORMASTER SENSOR LOCATIONS (cont.) C08263 Fig. 114 - - 48HC*A09 Outdoor Circuiting SENSOR SENSOR LOCATION LOCATION CIRCUIT A CIRCUIT B C12495 Fig. 115 - - 48HC*D14 Outdoor Circuiting (Circuit A and Circuit B)
Page 128 APPENDIX V. MOTORMASTER SENSOR LOCATIONS (cont.) SENSOR LOCATION TIE WRAP 9.0” C12492 Fig. 116 - - 48HC*D08 Motormaster Sensor Location - - Novation Coils (MCHX) SENSOR LOCATION TIE WRAP 11.0” C12493 Fig. 117 - - 48HC*D12 Motormaster Sensor Location - - Novation Coils (MCHX)
Page 129: Unit Start-Up Checklist
UNIT START-UP CHECKLIST I. PRELIMINARY INFORMATION: MODEL NO.: SERIAL NO: _____________________________________ DATE: ______________ TECHNICIAN: ___________________________________ BUILDING LOCATION:____________________________ II. PRE-START-UP (insert check mark in box as each item is completed): VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS VERIFY THAT FLUE HOOD IS INSTALLED CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS CHECK TO ENSURE NO WIRES ARE TOUCHING REFRIGERANT TUBING OR SHARP EDGES...
Page 130 Catalog No: 48HC ---4---14---01SM Copyright 2014 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Edition Date: 05/14 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. Replaces: 48HC--- 01SM...

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