Instruction/ maintenance manual of the product B5SM -090 Nordyne
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LIGHT COMMERCIAL AIR HANDLER Installation Instructions B5SM -090/120 SERIES Horizontal Application - Rear View Horizontal Application - Fr ont View V ertical Application Please read this information thor oughl y and become familiar with the capabilities and use of y our appliance before attempting to operate or maintain this unit.
2 Important Safety Information ....................................3 General Information ...................................................4 Bef ore Y ou Install this Unit .........................................4 Locating the Air Handler ..........
3 IMPORT ANT SAFETY INFORMA TION Saf ety markings are used frequently throughout this manual to designate a degree or le v el of seriousness and should not be ignored. W ARNING indicates a potentially hazardous situation that if not av oided, could result in personal injur y or death.
4 GENERAL INFORMA TION B5SM air handlers are shipped from the f actor y ready f or installation in a horizontal position. The units can be easily re- confi gured in the fi eld for v er tical applications.
5 AIR HANDLER INST ALLA TION P ackaging Remo v al Remov e the shipping crate and User’ s Manual from the equipment. T ake care not to damage the tubing connections when removing the crate .
6 • The B5SM-120 air handler has a dual circuit coil and the B5SM-090 has a single circuit coil. • The B5SM-120 air handler is charged through ser vice v alves on the end of the liquid tube f or each circuit. These must be remo ved bef ore brazing the line sets .
7 ELECTRICAL WIRING W ARNING: T o av oid risk of electrical shock , personal injury , or death, disconn ect all electrical power to the unit before per forming an y maintenance o r s e r v i c e . T h e u n i t m a y h a v e m o r e t h a n o n e electrical suppl y .
8 ST ARTUP AND ADJUSTMENTS Pre-Start Check List Prior to star t-up, complete the f ollo wing inspection: V erify the unit is lev el and condensate can drain. Check condensate drain line(s) f or proper slope and trap . V er ify the air handler is mounted securely .
9 Figure 3. Proper Belt T ension 1/4 inch 1 foot Pulley Alignment Inspect the pulley alignment betw een the motor sheav e and blo wer pulle y . If a misalignment occurs, adjust the location of the motor sheav e b y loosening the set-screw in the stationar y f ace of the motor sheav e.
10 13 5/8" 15 9/16" 17 11/16" 17 13/16" 4 3/16" 4 3/8" 5 11/16" 8 3/16" Air Flow Electrical Connections 2 7/32" 3/4" 1 1/4" 18 13/16" Supply.
11 Figure 5. B5SM Physical Dimensions f or V er tical Installations 23" Return Duct Opening 5 1/16" 53 1/4" Cabinet Height 53" Return Duct Opening 57" Filter Rack Frame 60 1/4.
12 Model Motor Sheave P osition External Static Pressures (Inches Water Column) 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM Kw B5SM- 090 (2HP) 60 Hz Fully Closed 4182 666 1.
13 SINGLE PHASE THREE PHASE G C W2 W1 O/B Y R G C W2 W1 O/B Y R L2 L1 G L3 L2 L1 G L1 L2 G FIELD SUPPL Y CONNECTIONS L1 L2 L3 G FIELD SUPPL Y CONNECTIONS L1 L2 T1 T2 L1 L2 T1 T2 L3 T3 208-230/460V 460 208-230 460 208 - 230 Electrical Configurations 1.
14 Figure 7. T ypical Air conditioner Thermostat Connections BLOWER MO TOR GND T O FIELD SUPPLIED DISCONNECT SINGLE ST AGE HEA T/COOL THERMOST A T OUTDOOR SECTION FREEZEST A T SINGLE ST AGE HEA T/COOL.
15 Figure 8. T ypical Heat Pump Thermostat Connections BLOWER MO TER GND BLACK BLACK GREEN BRO WN T O FIELD SUPPLIED DISCONNECT SINGLE ST AGE HEA T PUMP THERMOST A T OUTDOOR SECTION NO TE 1 NO TE 2 FR.
7090950 Specifi cations and illustrations subject to change without notice or incurring obligations. Printed in U.S .A. (01/10) Installed by: Date Installed: Maintenance T ask WM S A A A ir Filters Inspect, c lean or replace as required.
An important point after buying a device Nordyne B5SM -090 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Nordyne B5SM -090 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Nordyne B5SM -090 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Nordyne B5SM -090 you will learn all the available features of the product, as well as information on its operation. The information that you get Nordyne B5SM -090 will certainly help you make a decision on the purchase.
If you already are a holder of Nordyne B5SM -090, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Nordyne B5SM -090.
However, one of the most important roles played by the user manual is to help in solving problems with Nordyne B5SM -090. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Nordyne B5SM -090 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
