SAFETY CONSIDERATIONS
TABLE OF CONTENTS
Installation, Start---Upand Service Instructions
40RU Packaged Air---HandlingUnits 60 Hz
INSTALLATION
PRE-INSTALLATION
UNIT OPERATION AND SAFETY HAZARD
40RU
UNIT 40RUA
40RU
UNIT 40RUA
40RU
UNIT 40RUQ
40RU
UNIT 40RUQ
40RU
UNIT 40RUS
40RU
UNIT 40RUS
40RU
UNIT WEIGHT
Fig. 1 - Dimensions - Size
40RU
UNIT
40RU
Fig. 2 - Dimensions - Sizes 28 and
Fig. 4 - Serial Number Nomenclature
Fig. 3 - Model Number Nomenclature
Fig. 5 - Foam Block Location
Fig. 6 - Typical Unit Positioning
OVERHEAD SUSPENSION ACCESSORY - UNIT SIZE
Fig. 7 - Preferred Suspension Technique
OVERHEAD SUSPENSION ACCESSORY - UNIT SIZES
40RU
40RU
VERTICAL INSTALLATION
Fig. 11 - TXV Sensing Bulb Location
HORIZONTAL INSTALLATION
40RU
40RU
Table 3 - Fitting Requirements
40RU
Table 3 - Fitting Requirement cont
Fig. 12 - Typical 40RUS Chilled Water Piping
40RU
C10690
Fig. 14 - Drain Pan Slope Adjustment
Fig. 13 - Condensate Drains
40RU
Fig. 15 - Disconnect Switch and Unit
Fig. 16 - Wiring and Service Access
FIRE HAZARD
Side Panel Removed
Table 5 - Electrical Data, Alternate Motors
Table 4 - Electrical Data, Standard Motors
40RU
Legend and Notes for Tables 4 and
Table 6 - Fan Contactor Coil Data
Fig. 18 - Unit Wiring
40RU
UNIT OPERATION HAZARD
40RU
Fig. 20 - Duct Flange Installation
C10696
C10697
Fig. 22 - Label, TXV Adjustment
SERVICE
START-UP
40RUA and 40RUQ ONLY
Fig. 24 - Fan Shaft Bearing
Table 7 - Lubricant Data
Fig. 25 - Fan Motor Mounting
40RU
Fig. 26 - Fan Rotation
Fig. 27 - Fan Pulley Adjustments
Fan Pulley Alignment - Align as follows
UNIT OPERATION HAZARD
Fig. 28 - Remove Filter Retainer Clip
Fig. 29 - Filter Removal/Replacement
40RU
UNIT OPERATION HAZARD
40RUA*25
40RU
40RU
Table 8C - Fan Motor Data, Standard Motor - SI
Table 8D - Fan Motor Data, Alternate Motor - SI
Table 9A - Standard Drive Data, 60 Hz - English
40RU
40RU
Table 9C - High-StaticDrive Data, 60 Hz - English
Table 9D- Standard Drive Data, 60 Hz - SI
40RU
Table 9E - Medium-StaticDrive Data, 60 Hz - SI
Table 9F - High-StaticDrive Data, 60 Hz - SI
40RU
Table 10A - 40RU Standard Fan Performance Data
0.0-2.4in. wg External Static Pressure - English
Table 10B - 40RU Standard Fan Performance Data
40RU
0-600kPa External Static Pressure - SI
Table 10B - 40RU Standard Fan Performance Data
0.0-2.4in. wg External Static Pressure - English
40RU
40RU
0-600kPa External Static Pressure - SI
0-600kPa External Static Pressure - SI cont
Legend and Notes for Tables 10A and 10C
40RU
FACTORY-SUPPLIEDPRESSURE DROP - ENGLISH
Legend and Notes for Tables 10B and 10D
40RU
Catalog No 40RU---07SI
40RU
Edition Date 01/11
Replaces 40RU---05SI
I. PRELIMINARY INFORMATION
START-UPCHECKLIST
II. PRE-START-UP OUTDOOR UNIT
CONTROLS
CHECK VOLTAGE IMBALANCE
III. START-UP
40RU