Table of Contents
Advertisement
Quick Links
E2007 Lennox Industries Inc.
Dallas, Texas, USA
WARNING
Improper
installation,
service or maintenance can cause property damage,
personal injury or loss of life. Installation and service
must be performed by a qualified installer or service
agency.
CAUTION
Physical contact with metal edges and corners while
applying excessive force or rapid motion can result
in personal injury. Be aware of, and use caution
when working near these areas during installation or
while servicing this equipment.
IMPORTANT
The Clean Air Act of 1990 bans the intentional
venting of refrigerant (CFCs, HCFCs and HFCs) as of
July 1, 1992. Approved methods of recovery,
recycling or reclaiming must be followed. Fines
and/or
incarceration
noncompliance.
IMPORTANT
This unit must be matched with an indoor coil as
specified in Lennox Engineering Handbook. Coils
previously charged with HCFC−22 must be flushed.
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
IMPORTANT INFORMATION TO INSTALLER
BLOWER MOTOR
SHIPPING BOLT
A
TOP CAP SHIPPING BRACKET (REPLACE
SCREWS IN TOP CAP AFTER REMOVAL)
C
07/07
*2P0707*
adjustment,
alteration,
may
be
levied
for
CHECK FOR AND REMOVE THE FOLLOWING ITEMS BEFORE OPERATING UNIT.
BLOWER MOTOR SHIPPING
BRACKET
D
INSTALLATION
INSTRUCTIONS
®
Elite
Series CB30U Units
AIR HANDLER
505,340M
07/07
Supersedes 504,720M
Table of Contents
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BLOWER HOUSING SUPPORT PAD
B
REFRIGERANT LINE CAPS [SEE BRAZING
CONNECTION ON PAGE 4]
E
Page 1
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
. . . . . . . . .
505,340M
*P505340M*
Litho U.S.A.
2
. . . . .
2
3
3
3
3
4
5
5
6
6
8
12
Advertisement
Table of Contents
Related Manuals for Lennox Elite CB30U
Summary of Contents for Lennox Elite CB30U
-
Page 1: Table Of Contents
Making Electrical Connections ....specified in Lennox Engineering Handbook. Coils previously charged with HCFC−22 must be flushed. Repairing or Replacing Cabinet Insulation . -
Page 2: Cb30U Up−Flow Unit Dimensions
CB30U Up−flow Unit Dimensions − Inches (mm) (16) DETAIL OF PIPING PLATE 1 (25) (19) LIQUID LINE (19) (19) SUCTION LINE 11-1/16 SUPPLY OPTIONAL Blower ELECTRIC CONDEN- AIR FLOW OPENING HEAT SATE DRAINS (2) (Field 8-1/4 Installed) (210) LINE VOLTAGE LOW VOLTAGE 18-1/4 INLETS... -
Page 3: General Information
Remove access panels and corrugated padding instructions and local municipal building codes, installation between the blower and coil assembly before of Lennox air handler units (with or without optional electric operation. heat), MUST conform with the following National Fire Step 2. -
Page 4: Brazing Connections
Table 2. Optional Side Return Air Filter Kit be used by cutting off flare nut. Refer to the piping section Model Kit Number of the Lennox Unit Information Service Manual for proper −21 and −26 65K23 size, type, and application of field−fabricated lines. -
Page 5: Installing The Condensate Drain
Step 9. Install access panel. handicoater prior to reinstallation. Filter handicoater is RP Products coating #418 and is available as Lennox part Installing the Condensate Drain number P−8−5069. Replace throw−away type filters when they are dirty; they cannot be cleaned. -
Page 6: Sealing The Unit
AIR VOLUME ADJUSTMENT Sealing the Unit Select the Blower speed by changing the taps at the Seal the unit so that warm air is not allowed into the harness connector at the blower motor as illustrated in cabinet. Warm air introduces moisture, which results in figure 4. - Page 7 Table 8. CB30U-41/46 Air Handler Performance (208/230v) Air Volume and Motor Watts at Specific Blower Taps External Static Pressure High Medium in. w.g. Watts Watts Watts 1610 1510 1360 1590 1490 1355 1560 1465 1345 1530 1440 1330 1490 1405 1305 1450 1370...
-
Page 8: Making Electrical Connections
Select the proper supply circuit conductors according to Making Electrical Connections tables 310−16 and 310−17 in the National Electric Code, ANSI/NFPA No. 70 or tables 1 through 4 in the Canadian WARNING Electric Code, Part I, CSA Standard C22.1. This unit is provided with knockouts for conduit. Refer to Run 24V Class II wiring only through specified low figure 9 on page 11 for unit schematic wiring diagram voltage opening. - Page 9 CIRCUIT BREAKERS OR TERMINAL BLOCK CIRCUIT 1 CIRCUIT BREAKER FUSE L3 CONNECTION USED ON (Y VOLTAGE) THREE PHASE ELECTRIC HEATERS ONLY. Figure 6. Cooling Only and with Electric Heating Applications CIRCUIT BREAKERS OR TERMINAL BLOCK CIRCUIT 1 CB1 CIRCUIT BREAKER OR FUSE TO EXTERNAL LOAD 24VAC AT .50 AMP MAXIMUM...
- Page 10 HEAT PUMP APPLICATION WITH ELECTRIC HEAT CIRCUIT 1 CIRCUIT BREAKERS OR TERMINAL BLOCK fuse CIRCUIT BREAKER FUSE THERMOSTAT HEAT ANTICIPATION SETTING 0.4 AMP ELECTRIC HEAT FACTORY INSTALLED JUMPERS O Y1 WHEN OUTDOOR THERMOSTAT IS USED, CONNECT LEADS TO TERMINALS R" AND W2" AND REMOVE JUMPER BETWEEN TERMINALS R’...
- Page 11 Figure 9. CB30U Air Handler Typical Wiring Diagram Page 11 CB30U/CBX27UH SERIES...
-
Page 12: Repairing Or Replacing Cabinet Insulation
Repairing or Replacing Cabinet Insulation IMPORTANT DAMAGED INSULATION MUST BE REPAIRED OR REPLACED before the unit is put back into GLUE − Make sure there is full coverage of glue on the operation. Insulation loses its insulating value when metal or insulation so there wet, damaged, separated or torn.