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Quality Assurance
Certificate Reg. No:
04 100 950420
Subject to change without notice
Manufacturer's Name: Saudi Airconditioning Manufacturing Co. Ltd.
Country of origin : Jeddah, Saudi Arabia
Nearest port of embarkation: Jeddah Islamic port
Product classification: Commercial and Residential
40RUM Packaged Air Handler Units – 50Hz
The 40RUM Series air-handling units are the best choice for packaged air handlers. Model 40RUM units have
direct-expansion coils. All models offer excellent fan performance, a unique combination of indoor air quality features,
easy installation, and affordable prices. Their versatility and state-of-the-art features will provide economical
performance now and in the future.
Contact your local Carrier representative for additional reference materials.
40RUM Packaged Air Handler Units – 50Hz
Nominal Cooling Capacity 6.0 – 15.0 Tons
HFC R -410A Refrigerant
Page 1
Installation Operation Maintenance Manual
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Related Manuals for Carrier 40RUM Series
Summary of Contents for Carrier 40RUM Series
- Page 1 Nominal Cooling Capacity 6.0 – 15.0 Tons HFC R -410A Refrigerant The 40RUM Series air-handling units are the best choice for packaged air handlers. Model 40RUM units have direct-expansion coils. All models offer excellent fan performance, a unique combination of indoor air quality features, easy installation, and affordable prices.
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Page 2: Table Of Contents
Warranty is based on the general terms and conditions of the manufacturer. Any modifications to the design and/or installation made without discussion with Carrier and without advance written agreement will result in the loss of the right to any warranty claims and any claim for injury to personnel as a result of these modifications. - Page 3 WARNING CAUTION ELECTRIC SHOCK HAZARD CUT HAZARD Failure to follow this warning could cause Failure to follow this warning could cause personal injury or death. personal injury. Before performing service or maintenance Sheet metal parts may have sharp edges or operations on unit, always turn off main burrs.
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Page 4: Unit Physical Data
UNIT PHYSICAL DATA (ENGLISH UNITS) Unit 40RUM Nominal Capacity 10.0 12.5 15.0 Operating Weight (lb) Base Unit with TXV (4 Rows) Plenum Fans Qty / Diameter (in) 1 / 15 2 / 15 Nominal Airflow (cfm) 2400 3000 4000 5000 6000 Airflow Range (cfm) 1800-3000... -
Page 5: Base Dimensional Drawing
BASE UNIT DIMENSIONS – 40RUM Series Size 07-12 Front Left Side Right Side Notes: 1. Dimensions are in millimeter (mm). Direction of airflow. 3. Recommended clearance: Rear: 3.0 in (76.2mm) Front: 2.0ft 6.0in (762mm) Right Side: 2.0ft 6.0in (762mm) Left Side: 2.0ft 6.0in (762mm) 4. - Page 6 BASE UNIT DIMENSIONS – 40RUM Series Size 14 - 16 Front Right Side Left Side Notes: 1. Dimensions are in millimeter (mm). Direction of airflow. 3. Recommended clearance: Rear: 3.0 in (76.2mm) Front: 2.0ft 6.0in (762mm) Right Side: 2.0ft 6.0in (762mm) Left Side: 2.0ft 6.0in (762mm)
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Page 7: Pre-Installation / Installation
Do not remove plastic wrap or skid from unit until final installation. Rigging - All 40RUM Series units can be rigged by using the shipping skid. Units are shipped fully assembled. Do not remove shipping skids or protective covering until unit is ready for final placement; damage to bottom panels can result. - Page 8 Typical Unit Positioning Note: Maintain recommended clearances IMPORTANT: Do NOT attempt to install unit with return air entering top panel of unit. Condensate will not drain from unit. Typical positioning and alternate return air locations are shown in Typical Unit Positioning. Alternate return air locations can be used by moving the unit panel from the alternate return air location to the standard return air location.
- Page 9 Refrigerant Piping Access – The 40RUM Series units come with standard knockouts for refrigerant. These knockouts are located on both sides of the unit for installation flexibility. The standard knockouts provide sufficient access to the unit’s coils for all 40RUM units.
- Page 10 Fitting Requirements Unit Access Hole No▲ Connection Type Circuit Fittings Required (in.)▼ 1 - 1/8 Street Elbow Suction 1 - 1/8 Nipple, 10 - 5/8 L 1 - 1/8 Long Radius Elbow 40RUM*07 5/8 Street Elbow Liquid 5/8 Nipple, 8 - 5/8 L 5/8 Long Radius Elbow 1 - 1/8 Street Elbow Suction...
- Page 11 Condensate Drain — Install a trapped condensate drain line to unit connection as shown in Fig. Condensate Drains. The unit drain connection is a PVC stub. See Fig. Drain Pan Slope Adjustment. Some areas may require an adapter to connect to either galvanized steel or copper pipe. For these applications, install a field--supplied threaded PVC adapter.
- Page 12 As shipped, the unit’s condensate drain pan is NOT sloped towards the drain connection. The pan slope must be changed to pitch towards the side of the unit with the drain connection. See Drain Pan Slope Adjustment Loosen the 2 screws next to the drain outlet at both ends of the unit, push drain pan down in the slots near the drain connection, and up in the slots on the opposite end.
- Page 13 Connecting Ductwork - Refer to the Carrier System Design Manual for the recommended design and layout of ductwork. Fig. Typical Fan Discharge Connections for Multiple Fan Units shows recommended duct connection to units with 2 fans. WARNING UNIT OPERATION HAZARD Failure to follow this caution could cause equipment damage.
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Page 14: Start-Up / Service
START-UP Before starting unit, check the following and correct as necessary: • Is unit solidly supported? • Is fan adjusted for speed and pulley alignment? • Are pulleys, motor, and bearings securely mounted? • Are there any loose parts that will rattle or vibrate? •... - Page 15 Fan Shaft, Bearings, and Fan Wheel (Typical) Fan Shaft Bearing Fan Motor Mounting Individual Fan Wheel Adjustment - Loosen the 2 locking bolts holding fan wheel hub to shaft. See (Fig. Fan Shaft, Bearings, and Fan Wheel (Typical). Position fan wheel in center of the fan housing and tighten locking bolts. Clearance between wheel and housing should be the same on both sides.
- Page 16 Fan Rotation Fan Pulley Alignment - Align as follows: 1. Loosen setscrews on pulleys. 2. Align pulleys visually and tighten setscrews on fan pulley to lock it in place. 3. Use the methods shown in Fan Pulley Adjustments to check proper pulley alignment. 4.
- Page 17 Condensate Drains - Keep condensate drains free of dirt and foreign matter. Return-Air Filters - Refer to Replacing Filters section for filter accessibility and removal. Replace with clean filters of the sizes listed in Physical Data Table. Coil Removal - Remove unit panels and corner posts as required. Disconnect coil connections and remove fastening screws.
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Page 18: Electrical Data Table / Electrical Heater Data Table
ELECTRICAL DATA TABLE Standard Motors Fan Motor Power Supply Unit Voltage Voltage Range HP (kW) MOCP 40RUM-07 400-3-50 360-440 40RUM-08 400-3-50 360-440 40RUM-12 400-3-50 360-440 40RUM-14 400-3-50 360-440 40RUM-16 400-3-50 360-440 Alternate Motors Fan Motor Power Supply Unit Voltage Voltage Range HP (kW) MOCP 40RUM-07... - Page 19 ELECTRICAL HEATER DATA TABLE Fan Motor Electric Heater(s) Heater Part No. 40RUM V-Ph-Hz Actual Capacity (kW) MOCP Nominal CAELHEAT Size Capacity (kW) Stage 1 Stage 2 Total — 1.79 002A00 — 10.5 2.16 — 15.8 3.73 10.0 15.8 1.79 — 005A00 —...
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Page 20: Typical Wiring Schematic
TYPICAL WIRING SCHEMATIC 40RUM Unit Size 7 – 16 Page 20... -
Page 21: Fan Performance Data / Performance Data
FAN PERFORMANCE DATA - English External Static Pressure (in. wg) Unit Airflow 40RUM (Cfm) 1,800 0.19 0.24 0.35 0.47 0.74 0.89 2,100 0.28 0.34 0.46 0.59 0.73 0.88 1.05 0.74 0.89 1.05 1.22 2,400 0.40 0.47 0.60 0.93 1.09 1.26 1.44 2,700 0.55... - Page 22 FAN PERFORMANCE DATA (cont.) - SI External Static Pressure (Pa) Unit Airflow 40RUM (L/s) 6.64 0.14 7.56 0.18 9.13 0.26 10.56 0.35 11.88 0.45 13.08 0.55 14.16 0.66 7.43 0.21 8.28 0.25 9.71 0.34 11.00 0.44 12.22 0.54 13.37 0.66 14.44 0.78 11.55...
- Page 23 PERFORMANCE DATA Factory-Supplied Filter Pressure Drop — English Factory-Supplied Filter Pressure Drop — SI Unit Unit Pressure Drop (in. wg) Pressure Drop (Pa) Airflow (Cfm) Airflow (L/s) 40RUM 40RUM 0.05 1800 0.08 2400 1150 0.11 3000 1450 0.07 2250 1000 0.11 3000 1400...
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Page 24: R-410A Refrigerant Quick Reference Guide
ATTENTION INSTALLERS AND SERVICE TECHNICIANS! R-410A Refrigerant Quick Reference Guide • R-410A refrigerant operates at 50-70 percent higher pressures than R-22. Be sure that servicing equipment and replacement components are designed to operate with R-410A refrigerant. • R-410A refrigerant cylinders are rose colored. •... -
Page 25: Troubleshooting Guide
Troubleshooting Guide Cooling Service Analysis REMEDY PROBLEM CAUSE Power failure. Call power company. Fuse blown or circuit breaker tripped. Replace fuse or reset circuit breaker. Defective thermostat, contactor, transformer, or Replace component. Compressor and condenser fan will not control relay. start. -
Page 26: Mandatory Startup Checklist And Record
This page is a mandatory checklist & record – the check to be executed and data to be recorded for future reference incase of failure. A copy of this checklist data has to be submitted to carrier representative. Completion of this checklist is a must for any field claim, no field support will be provided for incomplete or blank checklists. - Page 27 NOTES Page 27...
- Page 28 Manufacturer reserves the rights to discontinue or change at any time, specifications or designs without notice and without incurring any obligations. Supersedes Version: N/A Catalog Number: 40RUM-IOM-50Hz-V1 Page 28 Effective Date: 13-01-2016 Phase: 50Hz...
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