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