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B5SM -090/120 SERIES
Installation Instructions
LIGHT COMMERCIAL AIR HANDLER
Horizontal Application - Rear View
Please read this information thoroughly and become familiar with the capabilities and
use of your appliance before attempting to operate or maintain this unit. Keep this
literature where you have easy access to it in the future. If a problem occurs, check the
instructions and follow recommendations given. If these suggestions don't eliminate
your problem, call your servicing contractor.
These instructions are primarily intended to assist qualifi ed individuals experienced in
the proper installation of this appliance. Some local codes require licensed installation/
service personnel for this type of equipment. Please read all instructions carefully
before starting the installation.
IMPORTANT
DO NOT DESTROY. PLEASE READ CAREFULLY AND
KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
Vertical Application
Horizontal Application - Front View
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Table of Contents
Related Manuals for Nordyne B5SM -090 Series
Summary of Contents for Nordyne B5SM -090 Series
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Page 1: Installation Instructions
B5SM -090/120 SERIES Installation Instructions LIGHT COMMERCIAL AIR HANDLER Vertical Application Horizontal Application - Rear View Horizontal Application - Front View IMPORTANT Please read this information thoroughly and become familiar with the capabilities and use of your appliance before attempting to operate or maintain this unit. Keep this literature where you have easy access to it in the future. -
Page 2: Table Of Contents
Important Safety Information ........3 General Information ...........4 Before You Install this Unit .........4 Locating the Air Handler ..........4 Field Connections for Electrical Power Supply ..4 Air Ducts ..............4 Unconditioned Spaces ...........4 Acoustical Duct Work ..........4 Air Handler Installation ..........5 Packaging Removal ...........5 Minimum Clearance Requirements ......5 Horizontal Mounting Applications ......5 Vertical Mounting Applications ........5... -
Page 3: Important Safety Information
IMPORTANT SAFETY INFORMATION WARNING: Safety markings are used frequently throughout this manual to designate a degree or level of seriousness and The safety information listed below must should not be ignored. WARNING indicates a potentially be followed during the installation, service, hazardous situation that if not avoided, could result in and operation of this unit. -
Page 4: General Information
GENERAL INFORMATION Air Ducts This unit is designed only for use with a supply B5SM air handlers are shipped from the factory ready for and return duct. Air ducts should be installed in installation in a horizontal position. The units can be easily re- accordance with the standards of the National Fire confi... -
Page 5: Air Handler Installation
AIR HANDLER INSTALLATION Connecting Refrigerant Tubing Packaging Removal WARNING Remove the shipping crate and User’s Manual from the equipment. Take care not to damage the tubing connections when removing the crate. NITROGEN Minimum Clearance Requirements HEALTH This air handler must be installed with ample clearance for easy access to the air fi... -
Page 6: Filter Requirements
• The B5SM-120 air handler has a dual circuit coil and 6. Re-install the fi lter slide assembly back into the fi lter rack frame and secure with the 4 screws removed earlier. If the B5SM-090 has a single circuit coil. •... -
Page 7: Electrical Wiring
ELECTRICAL WIRING schematic before making any electrical connections to the unit. See Figure 6 (page 13). • These air handlers can be purchased in both single WARNING: and three phase power confi gurations, all single phase To avoid risk of electrical shock, personal equipment is shipped from the factory ready for fi... -
Page 8: Unbalanced 3-Phase Supply Voltage
Unbalanced 3-Phase Supply Voltage Grounding Voltage unbalance occurs when the voltages of all phases WARNING: of a 3-phase power supply are no longer equal. This unbalance reduces motor effi ciency and performance. The unit cabinet must have an uninterrupted or Some underlying causes of voltage unbalance may include: unbroken electrical ground to minimize personal Lack of symmetry in transmission lines, large single-phase... -
Page 9: Pulley Alignment
Pulley Alignment necessary to change the factory set speed. Adjustment Inspect the pulley alignment between the motor sheave of the blower speed is made through varying the pitch of and blower pulley. If a misalignment occurs, adjust the the motor pulley, this adjustment allows for a wide range location of the motor sheave by loosening the set-screw of installation applications. -
Page 10: Figures & Tables
FIGURES & TABLES 3/4" Field Installed Hanging Rods 1 1/4" 47 5/8" Center to Center 2 7/32" 23 13/16" C L of Unit C L of Gravity 1" Electrical Connections Electrical Connections Air Flow Air Flow 13 5/8" 8 3/16" 6 3/4"... -
Page 11: Front View
18 13/16" 19 3/8" 22 1/16" Supply Duct 16 1/4" Electrical Knock-outs Top View 27 3/8" Cabinet Depth (without Filter Rack) 60 1/4" Cabinet Width 16 1/4" Supply Duct Opening 18 13/16" Supply 19 3/8" 22 1/16" 9 1/8" Duct Opening Electrical Connections 53 1/4"... -
Page 12: Table 4. Blower Performance Data
AIRFLOW DATA Table 4. Blower Performance Data... -
Page 13: Electrical Information
ELECTRICAL INFORMATION Figure 6. Wiring for Single and Three Phase Units... - Page 14 NOTE: C &W2 to be connected to electric heat. TO FIELD SUPPLIED DISCONNECT SINGLE STAGE HEAT/COOL THERMOSTAT C G Y BLOWER MOTOR FREEZESTAT GREEN BROWN BLACK See Note BLACK TERMINAL BOARD AIR HANDLER SECTION OUTDOOR SECTION SINGLE STAGE HEAT/COOL THERMOSTAT- NO ECONOMIZER NOTES: 1.
- Page 15 NOTES: TO FIELD 1. Jumper between W2 and E is required. SUPPLIED DISCONNECT 2. C &W2 to be connected to electric heat. SINGLE STAGE HEAT PUMP THERMOSTAT NOTE 1 BLOWER MOTER FREEZESTAT BROWN GREEN BLACK NOTE 2 BLACK TERMINAL BOARD AIR HANDLER OUTDOOR SECTION...
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Page 16: Figure 9. Maintenance Schedule
Installed by: Date Installed: Maintenance Task Performance Date Performed: Schedule W M SA A Air Filters Inspect, clean or replace as required. Condensate Drain(s) & Pan Clean condensate drain pan Inspect the flow of condensate through the drain lines. Clean or Correct problems as necessary.