Table 9E - Medium-StaticDrive Data, 60 Hz — SI 40RUA.25 40RUA.28 40RUA.30 UNIT 40RUQ.25 40RUS.28 40RUS.30 40RUS.25 MOTOR DRIVE Motor Pulley Pitch Diameter (mm) 109.2-134.6 109.2-134.6 109.2-134.6 Pulley Factory Setting 3.0 3.0 3.0 Full Turns Open FAN DRIVE Pulley Pitch Dia (mm) 239 239 239 Pulley Bore (mm) 36.5 49.2 49.2 Belt No. — Section 1—B 2—B † 2—B † Belt Pitch (mm) 1062 (2) 986 (2) 986 (2) 1011 (2) 1011 FAN SPEEDS (r/s) Factory Setting 14.7 14.7 14.7 40RU Range 13.3-16.4 13.3-16.4 13.3-16.4 Max Allowable Speed (r/s) 20.0 18.3 18.3 Change per 1/ Turn of 2 Moveable Motor Pulley 0.255 0.255 0.255 Flange MAX FULL TURNS FROM 6 6 6 CLOSED POSITION SHAFTS CENTER DISTANCE (mm) 232-279 169-240 169-240 † Four belts shipped with unit. Use correct set of 2 belts sized according to the pulley setting. Table 9F - High-StaticDrive Data, 60 Hz — SI 40RUA.25 40RUA.28 40RUA.30 UNIT 40RUQ.25 40RUS.28 40RUS.30 40RUS.25 MOTOR DRIVE Motor Pulley Pitch Diameter (mm) 109.2-134.6 109.2-134.6 109.2-134.6 Pulley Factory Setting 3.0 3.0 3.0 Full Turns Open FAN DRIVE Pulley Pitch Dia (mm) 188 203 † 203 Pulley Bore (mm) 36.5 49.2 49.2 Belt No. — Section 2—B 2—B 2—B Belt Pitch (mm) 935 935 960 FAN SPEEDS (r/s) Factory Setting 18.6 17.1 17.1 Range 16.9-20.0 † 14.6-17.9 14.6-7.9 Max Allowable Speed (r/s) 20.0 18.3 18.3 Change per 1/ Turn of 2 0.323 0.278 0.278 Moveable Motor Pulley Flange MAX FULL TURNS FROM 6 6 6 CLOSED POSITION SHAFTS CENTER DISTANCE (mm) 207-255 169-240 169-240 † It is possible to adjust drive so that fan speed exceeds maximum allowable.
DO NOT exceed 20 r/s. Table 10A - 40RU Standard Fan Performance Data — 0.0-2.4in. Wg External Static Pressure — English EXTERNAL STATIC PRESSURE (in. Table 10C - 40RU High-CapacityFan Performance Data — 0.0-2.4in. Wg External Static Pressure — English EXTERNAL STATIC PRESSURE (in.
40RUA / 40RUS. 7.5to30TonChilledWater Packaged Air---Handling Units 60 Hz Product Data C09035. Carrier’s versatile packaged air-handling units satisfy design.
40rusa
START-UPCHECKLIST (SPLIT SYSTEMS WITH 40RU UNITS) I. PRELIMINARY INFORMATION OUTDOOR: MODEL NO. INDOOR: MODEL NO. ADDITIONAL ACCESSORIES II. PRE-START-UP OUTDOOR UNIT IS THERE ANY SHIPPING DAMAGE? (Y/N) IF SO, WHERE: WILL THIS DAMAGE PREVENT UNIT START-UP?(Y/N) CHECK POWER SUPPLY. DOES IT AGREE WITH UNIT?
(Y/N) HAS THE GROUND WIRE BEEN CONNECTED? (Y/N) HAS THE CIRCUIT PROTECTION BEEN SIZED AND INSTALLED PROPERLY? (Y/N) ARE THE POWER WIRES TO THE UNIT SIZED AND INSTALLED PROPERLY? (Y/N) HAVE COMPRESSOR HOLDDOWN BOLTS BEEN LOOSENED? (Y/N) CONTROLS ARE THERMOSTAT(S) & INDOOR FAN CONTROL WIRING CONNECTIONS MADE & CHECKED?
(Y/N) ARE ALL WIRING TERMINALS (including main power supply) TIGHT? (Y/N) HAVE OUTDOOR UNIT CRANKCASE HEATERS BEEN ENERGIZED FOR 24 HOURS? (Y/N) INDOOR UNIT HAS WATER BEEN PLACED IN DRAIN PAN TO CONFIRM PROPER DRAINAGE?
Carrier 40rua07
(Y/N) ARE PROPER AIR FILTERS IN PLACE? (Y/N) HAVE FAN AND MOTOR PULLEYS BEEN CHECKED FOR PROPER ALIGNMENT? (Y/N) DO THE FAN BELTS HAVE PROPER TENSION? (Y/N) PIPING 40RUA, 40RUQ HAS FOAM SHIPPING BLOCK BEEN REMOVED FROM THE TXV (Thermostatic Expansion Valve)?
(Y/N) ARE LIQUID LINE SOLENOID VALVES LOCATED AT THE INDOOR UNIT (40RUA) OR OUTDOOR UINT (40RUQ) COILS AS REQUIRED? (Y/N) HAVE LEAK CHECKS BEEN MADE AT COMPRESSORS, CONDENSERS, INDOOR COILS, TXVs (Thermostatic Expansion Valves) SOLENOID VALVES, FILTER DRIERS, AND FUSIBLE PLUGS WITH A LEAK DETECTOR? (Y/N) LOCATE, REPAIR, AND REPORT ANY LEAKS HAVE ALL COMPRESSOR SERVICE VALVES BEEN FULLY OPENED (BACKSEATED) (Y/N) ARE THE COMPRESSOR OIL SIGHT GLASSES SHOWING CORRECT LEVELS?
(Y/N) 40RUS HAS AIR BEEN BLED FROM SYSTEM? (Y/N) HAVE LEAK CHECKS BEEN MADE AT COMPRESSORS, CHILLERS, VALVES, & INDOOR COILS? (Y/N) LOCATE, REPAIR, AND REPORT ANY LEAKS. CHECK VOLTAGE IMBALANCE LINE-TO-LINEVOLTS: AB V AC V BC V (AB + AC + BC)/3 = AVERAGE VOLTAGE = V MAXIMUM DEVIATION FROM AVERAGE VOLTAGE = V VOLTAGE IMBALANCE = 100 X (MAX DEVIATION)/(AVERAGE VOLTAGE) = IF OVER 2% VOLTAGE IMBALANCE, DO NOT ATTEMPT TO START SYSTEM! CALL LOCAL POWER COMPANY FOR ASSISTANCE.
START-UP CHECK INDOOR FAN MOTOR SPEED AND RECORD.
Gemini® 40RUA Packaged Air Handling Units DX Cooling only, 6 to 30 Tons with Puron® Refrigerant (R-410A) The Gemini® 40RU and 38AU series indoor air handlers and outdoor units provide a wide variety of options for your HVAC application needs. These units are designed for long dependable operation whether it’s a rooftop or on-the-ground installation.
Carrier 40ruaa08a2a6
All Gemini® 38AU Condensing Units and 40RU Fan Coils use environmentally sound Puron® refrigerant. Together, they create a reliable split system that provides easy solutions to a wide range of commercial HVAC needs. The 40RU series indoor air handler contains a chilled water coil and may be interfaced into chilled water systems. The 40RU series has a multi-position design that allows for vertical or horizontal installation with no modifications. Powerful fan systems allow easy adaptation to existing ductwork.
For heating capability, the 40RU’s allow for field installed electric heaters, hot water coils, or steam coils. Unit Cooling Stages Nominal Capacity (Tons) Net Cooling Capacity (MBH) Total Power (kW) EER IEER 38AUD12/40RU12 2 10 117.0 10.4 11.2 11.6 38AUD14/40RU14 2 12.5 148.0 13.4 11.0 11.8 38AUD16/40RU16 2 15 184.0 16.4 11.2 11.8 38AUD25/40RU25 2 20 240.0 21.6 11.0 11.2 LEGEND AHRI = Air-Conditioning, Heating and Refrigeration Institute ASHRAE = American Society of Heating, Refrigerating and Air Conditioning, Inc.
EER = Energy Efficiency Ratio IEER = Integrated Energy Efficiency Ratio COP = Coefficient of Performance NOTES 1. Rated in accordance with ARI Standard 340/360-07, as appropriate.
Ratings are based on: - Cooling Standard: 27°C (80°F) db, 19°C (67°F) wb indoor air temp and 35°C (95°F) db outdoor air temp. IEER Standard: 27°C (80°F) db, 19°C (67°F) wb indoor air temp and 4 various outdoor temperatures. All units comply with ASHRAE 90.1 Energy Standard for minimum EER and IEER requirements.