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SUNLINE™ SPLIT-SYSTEM
EVAPORATOR BLOWERS
(AIR COOLED)
INSTALLATION INSTRUCTION
Supersedes: Nothing 550.39-N4YI (894)
035-12122
MODELS K5EU090A50A & K4EU120A50A
(WORLD 50 HZ)
• Hot Water & Steam Coil - 550.13-N10.7V
GENERAL
Renewal Parts:
These completely assembled blower units are manufac-
• Refer to Parts Manual for complete listing of replacement
tured under ISO 9002 Quality System Certification and
parts on this equipment.
include a well-insulated cabinet, a DX cooling coil with
copper tub
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550.39-N4YI TABLE OF CONTENTS TABLES General................................................................................1 Reference............................................................................1 No. Description Page Inspection ............................................................................1 1 Unit Application Data............................................ 3 Nomenclature ......................................................................2 2 Physical Data ......
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550.39-N4YI INSTALLATION They may be installed either with ductwork or matching plenum carrier's agent should be made in writing. See Local Dis- and inlet grille. tributor for additional information. The unit should be located as close to the condensing unit as LIMITATIONS practical and positioned to minimize bends in the refrigerant piping. These units must be installed in accordance with applicable na- Units being installed vertically or horizontally can be set directly tional, local and munic
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550.39-N4YI CLEARANCES The clearances listed on the unit dimension drawing (Figure 9) are required for the proper service and opera- tion of the unit. RIGGING AND HANDLING Be careful when moving the unit. Do not remove any packaging until the unit is near its final location. The packaging consists of a bottom wooden skid that can be lifted with a fork truck from any direction, a card- board container that covers the entire unit, and strapping that secures the cardboard container to the bottom of
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550.39-N4YI Table 2 - PHYSICAL DATA Model KEU090 KEU120 Rows Deep 3 3 Rows High 27 32 Finned Length (in./mm) 46 / 1168 46 / 1168 Evaporator Coil Fin/Inch 13 13 3 3 Tube O.D. (in./mm) / 9.5 / 9.5 8 8 .2 2 Face Area (Ft /m ) 8.6 / 0.80 10.2 / 0.95 inches 15 x15 15 x 15 Centrifugal Blower Wheel Dia. x Width mm 381 x 381 381 x 381 1 Blower Motor* Nominal Rating (HP/kW) 1 2 / 1.12 2 / 1.5 inches 16 x 25 x 1 16 x 25 x 1 Size Filters mm 406 x 635 x 25 406 x 635 x 25 (4 Req'd) 2 2 Face Area (Ft. /m ) 11
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550.39-N4YI NOTE: Refer to Figure 9 for minimum clearance require- Before brazing the refrigerant lines to these connections, ments. remove the short panel from the unit frame and slide it (along with the grommets) onto the refrigerant lines. Af- SUPPLY AIR BLOWER ADJUSTMENT ter the brazed joints have cooled, slide the panel back into place and secure it to the unit frame. The RPM of the supply air blower will depend on the re- quired airflow, the unit accessories and the static resis- NOTE: The
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550.39-N4YI 3. Using an inclined manometer, determine the pressure drop After readings have been obtained, remove the tubes and seal 5 across a dry evaporator coil. Since the moisture on an up the drilled holes in the side panel with " (8mm) dia. dot 16 plugs (P/N 029-13880) available through normal parts ordering evaporator coil may vary greatly, measuring the pressure procedure. drop across a wet coil under field conditions would be inac- curate. To assure a dry coil, the refrigerant system sh
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550.39-N4YI TABLE 4 - BLOWER PERFORMANCE 1 KEU090 - SUPPLY AIR BLOWER PERFORMANCE - (CFM) AIRFLOW BLOWER 2 2 OUTPUT 2 2 SPEED ESP OUTPUT INPUT ESP INPUT ESP2 OUTPUT INPUT ESP OUTPUT INPUT ESP OUTPUT INPUT RPM (IWG) (BHP) (kW) (IWG) (BHP) (KW) (IWG) (BHP) (kW) (IWG) (BHP) (kW) (IWG) (BHP) (kW 2400 CFM 2700 CFM 3000 CFM 3300 CFM 3600CFM 600 0.35 0.62 0.59 0.26 0.70 0.66 0.13 0.78 0.73 ------ 655 0.49 0.70 0.66 0.41 0.78 0.72 0.30 0.87 0.82 0.07 0.96 0.90 - - - 700 0.60 0.77 0.73 053 0.85 0.80 043
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550.39-N4YI TABLE 5 - ACCESSORY STATIC RESISTANCE (IWG) KEU090 EXTERNAL STATIC PRESSURE DROP RESISTANCE ACCESSORY IWG/pA 3 BLOWER CFM/m /s 2400 / 1.1 2700 / 1.3 3000 / 1.4 3300 / 1.6 3600 / 1.7 10k W 0.01 / 2.5 0.01 / 2.5 0.01/ 2.5 0.02 / 5.0 0.02/ 5.0 16 kW 0.01 / 2.5 0.02 / 5.0 0.02 / 5.0 0.03 / 7.4 0.04/ 10.0 Electric Heat 26 kW 0.03 / 7.4 0.4/ 10.0 0.05 / 12.4 0.06/ 15.0 0.07 / 17.4 36 kW 0.05 / 12.4 0.07 / 17.4 0.08 / 20.0 0.10 / 25.0 0.11 / 27.0 Supply Air Plenum 0.03 / 7.4 0.03 / 7.4 0.04
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550.39-N4YI ACCESSORIES Overall dimension of the unit will vary if an electric heater, a supply air plenum or a base is used. •ELECTRIC HEATER Add 15" (381mm) to Unit Height when using 10, 16, 26 or 36kW This dimension is required for removal of the DX coil. Only 26" is Heater required for normal servicing. �SUPPLY AIR PLENUM If the DX coil has to be removed, this dimension is required to Add 27" (686mm) to Unit Height when used loosen screws that secure the coil to the unit frame. This di
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550.39-N4YI MOTOR SPECIFICA- TABLE 7 - BLOWER MOTOR AND DRIVE DATA TIONS Adjustable Motor Pulley Fixed Blower Pulley Belt Blower �1450 RPM Motor Model Range Pitch Dia Bore Pich Dia. Bore Designa- Pitch Lg. �380/415-3-50 (HP/kW)* (RPM) (In./mm) (In./mm) (In./mm) (In./mm) tion (In./mm) �Solid base 3.4 - 4.4 / 1 7 KEU090 1 2 / 1.1 650/850 8 / 22.2 7.5 / 190 1 / 25 A37 38.3 / 973 �56 Frame 86-112 �Inherently protected 3.4 - 4.4 / 7 / 22.2 KEU120 2 / 1.5 700/910 8 7.0 / 178 1 / 25 A37 38.3 / 973 86-1
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MAINTENANCE FILTERS — The filters must be replaced as often as necessary LUBRICATION — The bearings for the blower shaft and to assure good air flow and filtering action. the blower motors are permanently lubricated and should not require additional lubricant. Refer to the unit dimension detail (Figure 9) for the location of DRAIN PAN — The drain pan should be inspected regu- the filter access panel. larly to assure proper drainage. EVAPORATOR COIL — Do not allow dirt to accumulate on the BELTS
