Lennox CB29M-46 User Manual

Page 1
Corp. 9711–L7
CB29M
CB30M
Service Literature
ELITE 10 CB29M and ELITE 12 CB30M SERIES UNITS
INCLUDING ECB29 ELECTRIC HEAT
The Elite 10 CB29M and Elite 12 CB30M are high efficiency
blower coils. Several models are available in sizes ranging
from 1-1/2 through 5 tons (5.3 through 17.6 kW). Both the
CB29M and CB30M are multi-position (upflow, downflow
or horizontal) units. The units come with a factory
installed check and expansion valve for cooling or heat
pump applications.
CB29M series units are designed to be matched with the
10 SEER air conditioner and heat pump line, and the
CB30M series units are designed to be matched with the
12 and 13 SEER air conditioner and heat pump lines.
While these blower coil units are designed to be primarily
matched with these outdoor units, they may be matched
with other air conditioners or heat pumps as noted in the
rating information.
ECB29 electric heat, in several voltages and kW sizes, can
be field installed in the CB29M and CB30M cabinets.
Information contained in this manual is intended for use
by experienced HVAC service technicians only. All specifi-
cations are subject to change. Procedures outlined in this
manual are presented as a recommendation only and do
not supersede or replace local or state codes.
CB29M CB30M

Lennox CB29M-46 Specifications

General

Brand	Lennox
Model	CB29M-46
Category	Air Conditioner
Language	English

Summary

CB29M Blower Performance Data

CB29M-21/26 Blower Performance (208/230v)

Blower performance data for CB29M-21/26 units at specific voltages.

CB29M-31 Blower Performance (208/230v)

Blower performance data for CB29M-31 units at specific voltages.

CB29M-41 Blower Performance (208/230v)

Blower performance data for CB29M-41 units at specific voltages.

CB29M Blower Performance Data (Continued)

CB29M-41 Blower Performance (460v – 1 ph)

Blower performance data for CB29M-41 units at 460V.

CB29M-46 Blower Performance (208/230v)

Blower performance data for CB29M-46 units at specific voltages.

CB29M-51 Blower Performance (208/230v)

Blower performance data for CB29M-51 units at specific voltages.

CB30M Blower Performance Data

CB29M-51 Blower Performance (460v – 1 ph)

Blower performance data for CB29M-51 units at 460V.

CB30M-21/26 Blower Performance (208/230v)

CB29M-65 Blower Performance (208/230v)

Blower performance data for CB29M-65 units at specific voltages.

CB30M-31 Blower Performance (208/230v)

CB29M-65 Blower Performance (460v – 1 ph)

Blower performance data for CB29M-65 units at 460V.

CB30M-41 Blower Performance (208/230v)

CB30M Blower Performance Data (Continued)

CB30M-41 Blower Performance (460v)

CB30M-51 Blower Performance (460v – 1 ph)

CB30M-46 Blower Performance (208/230v)

CB30M-65 Blower Performance (208/230v)

CB30M-51 Blower Performance (208/230v)

CB30M-65 Blower Performance (460v – 1 ph)

CB29M & CB30M Parts Arrangement

III-Optional ECB29 Electric Heat

B-Electric Heat Components

208/230 Volt Electric Heat Sections

460 and 575 Volt Electric Heat Sections

V-Start-Up and Operation

A-Preliminary and Seasonal Checks

B-Cooling Start-Up Procedure

C-Heating Start-Up Procedure

D-Safety or Emergency Shutdown

VI-Typical Operating Characteristics

A-Blower Operation and Adjustment

C-Blower Speed Tap Selection

VII-Maintenance

A-Filters Maintenance

Filter inspection, replacement, and sizes.

VIII-Wiring Diagrams and Sequence of Operations

A-CB29M & CB30M 208/230V Single Phase Sequence of Operation

Sequence of operation for 208/230V single-phase units.

B-CB29M 460 and 575V Three Phase Sequence of Operation

Sequence of operation for 460/575V three-phase units.

C-ECB29-2.5, -5, -5CB, -8, -8CB 208/230V Single Phase Sequence of Operation

Sequence of operation for specific electric heat models.

D-ECB29-10, -10CB 208/230V Single Phase Sequence of Operation

Sequence of operation for specific electric heat models.

E-ECB29-12.5CB, -15CB 208/230V Single Phase Sequence of Operation

Sequence of operation for specific electric heat models.

F-ECB29-20CB 208/230V Single Phase Sequence of Operation

Sequence of operation for specific electric heat models.

G-ECB29-25CB, -30CB 208/230V Single Phase Sequence of Operation

Sequence of operation for specific electric heat models.

H-ECB29-5, -8, -10, -15CB 208/230V Three Phase Sequence of Operation

Sequence of operation for specific electric heat models.

I-ECB29-20CB, -25CB 208/230V Three Phase Sequence of Operation

Sequence of operation for specific electric heat models.

J-ECB29-10, 15, 20, 25 460V and 575V Three Phase Sequence of Operation

Sequence of operation for specific electric heat models.