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INSTALLATION
MANUAL
CONTENTS
GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . 3
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
See the following page for a complete Table of Contents.
NOTES, CAUTIONS AND WARNINGS
Installer should pay particular attention to the words:
NOTE, CAUTION, and WARNING. Notes are intended to
clarify or make the installation easier. Cautions are given
to prevent equipment damage. Warnings are given to
alert installer that personal injury and/or equipment dam-
age may result if installation procedure is not handled
properly.
CAUTION:
READ ALL SAFETY GUIDES BEFORE YOU
BEGIN TO INSTALL YOUR UNIT.
SAVE THIS MANUAL
(AIR COOLED)
SPLIT-SYSTEM
AIR CONDITIONERS
MODELS: KBU060, KBC090, 120 & 180
292427-BIM-A-0307
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Table of Contents
Related Manuals for Unitary products group KBU060
Summary of Contents for Unitary products group KBU060
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Page 1: Air Cooled
MANUAL AIR CONDITIONERS MODELS: KBU060, KBC090, 120 & 180 CONTENTS GENERAL........3 SAFETY CONSIDERATIONS . -
Page 2: Table Of Contents
UNIT DIMENSIONS KBU060 ....23 KBU060, KBC090 AND 120 ..... . . 7 UNIT DIMENSIONS KBC090 &... -
Page 3: Nomenclature
As soon as a unit is received, it should be inspected for possi- ble damage during transit. If damage is evident, the extent of the damage should be noted on the carrier's freight bill. A separate request for inspection by the carrier's agent should be made in writing. Unitary Products Group... -
Page 4: Kbu, Kbc Physical Data
Utilization Range “A” in accordance with ARI Standard 110. TABLE 4: UNIT TEMPERATURE LIMITATIONS 5 Ton unit only. Temperature Minimum Maximum Wet Bulb Temperature (°F) of Air on Evaporator Coil Dry Bulb Temperature (°F) of Air on Heating Coil Unitary Products Group... -
Page 5: Installation
Figure 1, and make sure that its weight in the unit frame to accommodate hanger rods. Knockouts will be distributed equally. must be removed from the unit panels to expose these weld FIGURE 1 - SUSPENSION MOUNTING (HORIZONTAL) - KBU060, KBC090 AND 120 Unitary Products Group... -
Page 6: Kbc180
BASIC UNIT (Cooling Only) Base Return Air Grill Supply Air Plenum Hot Water Coil Steam Coil ACCESSORIES 10 KW 16 KW Electric Heater 26 KW 36 KW 72 KW FIGURE 2 - SUSPENSION ACCESSORY (HORIZONTAL) - KBC180 Unitary Products Group... -
Page 7: Clearances
VERTICAL AND HORIZONTAL INSTALLATION - (a), the blower module can be repositioned in the field as KBU060, KBC090 AND 120 shown in illustrations (b) and (c) for maximum flexibility. These units are built in a single cabinet with two condensate •... -
Page 8: Duct Connections
The supply air plenum and the return air grill should be used these sizes. Refer to Form 131002 for installation instructions in lieu of ductwork only when a free blow/free return applica- on the electric heater. tion is practical. Unitary Products Group... -
Page 9: Electric Heat Accessory
V E R T I C A L A R R A N G E M E N T S H O W N FIGURE 9 - RETURN AIR GRILL ACCESSORY Unitary Products Group... -
Page 10: Drain Connection
Fiberglass insulation and a sealing material such as perma- NOTE: These units can only be piped from one side of the gum should be packed around refrigerant lines where they unit. Unitary Products Group... -
Page 11: Expansion Valve Bulb
WIRE IN ACCORDANCE WITH LOCAL terminals R and Y on 4TB can be AND NATIONAL ELECTRICAL CODES routed directly from the condensing unit to the thermostat if desired. FIGURE 11 - TYPICAL FIELD WIRING DIAGRAM KBU060, KBC090 AND 120 Unitary Products Group... -
Page 12: Suspension Accessory (Horizontal)
292427-BIM-A-0307 FIGURE 12 - TYPICAL FIELD WIRING DIAGRAM KBC180 Unitary Products Group... -
Page 13: Power And Control Wiring
POWER WIRING volt power supply. Remove the knockout from the units rear panel (7/8" for KBU060 and KBC180, 1-3/8" for KBC090, and 120) for power CONTROL WIRE SIZING wiring conduit through this opening. Connect the conduit to Maximum Total Circuit... -
Page 14: Vertical And Horizontal Application
36.0 86.6 116.8 (10) None 2HS04501046 10.0 12.0 19.3 2HS04501646 16.0 19.2 28.3 2HS04502646 26.0 31.3 43.3 2HS04503646 36.0 43.3 58.4 None 2HS04501058 10.0 15.4 2HS04501658 16.0 15.4 22.6 2HS04502658 26.0 25.0 34.6 2HS04503658 36.0 34.6 46.7 Unitary Products Group... -
Page 15: Supply Air Blower Adjustment
After the movable flange has been rotated to the proper num- ber of “turns open”; the set screw should be tightened against Unitary Products Group... -
Page 16: Typical Motor Mounting Assembly
NOTE: The tubes must be inserted and held in a position perpendicular to the airflow so that velocity pressure NOTE: Shut down the refrigeration system before taking will not affect the static pressure readings. any test measurements to assure a dry evaporator coil. Unitary Products Group... -
Page 17: Pressure Drop Across A Dry Evaporator Coil Vs. Supply Air Cfm
2.1-4.1 2.8-3.8 AK79 37.3 700/950 1VL44 3.1-4.1 2.8-3.8 BK80 37.3 625/810 1VM50 3.7-4.7 3.4-4.4 BK105 58.3 1500 2500 3500 4500 5500 6500 7500 FIGURE 15 - PRESSURE DROP ACROSS A DRY EVAPORATOR COIL VS. SUPPLY AIR CFM Unitary Products Group... -
Page 18: Kbu060 (5 Ton) Belt Drive Blower Performance
292427-BIM-A-0307 TABLE 10: KBU060 (5 TON) BELT DRIVE BLOWER PERFORMANCE 5 TON BLOWER PERFORMANCE TURNS OPEN 0 Turns Open 1 Turn Open 2 Turns Open 3 Turns Open 4 Turns Open 5 Turns Open BHP CFM RPM W CFM RPM... -
Page 19: Kbc090 (7.5 Ton) Belt Drive Blower Performance
4. “Turns Open” refers to the setting of the variable pitch motor sheave, where “0 Turns Open” is fully closed. 5. W = Watts 7.5 Ton Belt Drive Blower Performance 0 Turns 1 Turn 5 Turns 4 Turns 3 Turns 2 Turns 2000 2250 2500 2750 3000 3250 3500 3750 4000 4250 4500 Unitary Products Group... -
Page 20: Kbc120 (10 Ton) Belt Drive Blower Performance
4. “Turns Open” refers to the setting of the variable pitch motor sheave, where “0 Turns Open” is fully closed. 5. W = Watts 10 Ton Belt Drive Blower Performance 0 Turns 1 Turn 5 Turns 4 Turns 3 Turns 2 Turns 2750 3000 3250 3500 3750 4000 4250 4500 4750 5000 5250 Unitary Products Group... -
Page 21: Kbc180 (15 Ton) Belt Drive Blower Performance
5. W = Watts 15 Ton Belt Drive Blower Performance 0 Turns 1 Turn 2 Turns 5 Turns 4 Turns 3 Turns 3500 3750 4000 4250 4500 4750 5000 5250 5500 5750 6000 6250 6500 6750 7000 7250 Unitary Products Group... -
Page 22: Kbu060-Kbc090-120 Static Resistance For Unit Accessories (Iwg)
292427-BIM-A-0307 TABLE 14: KBU060-KBC090-120 STATIC RESISTANCE FOR UNIT ACCESSORIES (IWG) Electric Heat KW Supply Air Return Hot Water Steam Plenum Air Grill Coil Coil 2200 0.01 0.01 0.03 0.04 0.02 0.02 0.07 0.11 2400 0.01 0.02 0.03 0.05 0.03 0.03 0.09... -
Page 23: Unit Dimensions Kbu060
Certified dimensions will be provided upon request. GROMMET FIGURE 16 - UNIT DIMENSIONS KBU060 ACCESSORIES Overall dimensions of the unit will vary if an electric • ELECTRIC HEATER - Add 13” to unit height when used. -
Page 24: Unit Dimensions Kbc090 & 120
Allow enough clearance to trap the condensate drain Side with RETURN AIR opening 24” line. 24” Side with SUPPLY AIR opening 52” Side with PIPING CONNECTIONS Side opposite with PIPING CONNECTIONS 12” Side with access for both POWER & CONTROL WIRING Bottom Unitary Products Group... -
Page 25: Accessories
Side Air with RETURN AIR opening 24” Allow enough clearance to trap the condensate drain lines. 24” Side with SUPPLY AIR opening 61” Side with PIPING CONNECTIONS 26” Side opposite PIPING CONNECTIONS Bottom Unitary Products Group... -
Page 26: Maintenance
Maintain belt tension to extend belt life. Replace when signs of failure begin to appear. Refer to the unit dimension detail (Figure 16) for the location of the filter access panel. Unitary Products Group... - Page 27 292427-BIM-A-0307 Unitary Products Group...
- Page 28 292427-BIM-A-0307 Subject to change without notice. Printed in U.S.A. Copyright © by Unitary Products Group 2007. All rights reserved. Supersedes: 157225-BIM-A-0905 Unitary 5005 Norman Products York Group Drive 73069...
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