Nordyne B5SM Manuel d'utilisateur

LIGHT COMMERCIAL AIR HANDLERInstallation InstructionsB5SM -090/120 SERIESHorizontal Application - Rear View Horizontal Application - Front ViewVertica

1013 5/8"15 9/16"17 11/16"17 13/16"4 3/16"4 3/8"5 11/16"8 3/16"Air FlowElectrical Connections2 7/32"3/4&q

11Figure 5. B5SM Physical Dimensions for Vertical Installations23" ReturnDuct Opening5 1/16"53 1/4"CabinetHeight53" Return Duct Op

12ModelMotorSheavePositionExternal Static Pressures (Inches Water Column)0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0CFM RPM Kw CFM RPM Kw CFM RPM Kw CFM RPM K

13SINGLE PHASETHREE PHASEGC W2 W1 O/BYRGC W2 W1 O/BYRL2L1GL3L2L1GL1 L2 GFIELD SUPPLY CONNECTIONSL1 L2 L3 GFIELD SUPPLY CONNECTIONSL1 L2T1 T2L1 L2T1 T2

14Figure 7. Typical Air conditioner Thermostat ConnectionsBLOWERMOTORGNDTO FIELDSUPPLIED DISCONNECTSINGLE STAGEHEAT/COOL THERMOSTATOUTDOORSECTIONFREEZ

15Figure 8. Typical Heat Pump Thermostat ConnectionsBLOWERMOTERGNDBLACKBLACKGREENBROWNTO FIELDSUPPLIED DISCONNECTSINGLE STAGEHEAT PUMP THERMOSTATOUTDO

7090950Specifi cations and illustrations subject to change without notice or incurring obligations. Printed in U.S.A. (01/10)Installed by: Date Install

2Important Safety Information ...3General Information ...4 Before Yo

3IMPORTANT SAFETY INFORMATIONSafety markings are used frequently throughout this manual to designate a degree or level of seriousness and should not b

4GENERAL INFORMATIONB5SM air handlers are shipped from the factory ready for installation in a horizontal position. The units can be easily re-confi gu

5AIR HANDLER INSTALLATIONPackaging RemovalRemove the shipping crate and User’s Manual from the equipment. Take care not to damage the tubing connectio

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 service

7ELECTRICAL WIRING WARNING:To avoid risk of electrical shock, personal injury, or death, disconnect all electrical power to the unit before performing

8STARTUP AND ADJUSTMENTSPre-Start Check ListPrior to start-up, complete the following inspection: Verify the unit is level and condensate can drain.

9Figure 3. Proper Belt Tension1/4 inch1 footPulley AlignmentInspect the pulley alignment between the motor sheave and blower pulley. If a misalignment