Lennox CBWMV - Manual

Lennox CBWMV

Lennox CBWMV – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – FRONT VIEW
  • Page 3 – CBWMV Unit; Figure 1
  • Page 4 – Requirements; Table 1; Clearances; NOTE − Service access clearance must be maintained.; Application; WARNING; This product contains fiberglass wool.
  • Page 5 – Figure 2; CAUTION; The bolt and washer must be re-; Duct System; Return Air Plenum; IMPORTANT
  • Page 6 – Return Air Opening Guidelines; SIDE VIEW
  • Page 7 – Leveling an Upflow Unit; Cooling coils and supply
  • Page 8 – CBWMV units are installed in non-potable systems.; Electrical; USE COPPER CONDUCTORS ONLY.
  • Page 9 – Removeable Jumpers; Removeable Jumper DS to Y1; Table 3; TB1 R to O; SignatureStat
  • Page 10 – Indoor Blower Speeds; When the CBWMV is in the heating mode, the indoor; CBWMV Control Box
  • Page 11 – Typical CBWMV Wiring Diagram
  • Page 12 – Freezestat Operation; Freezestat Field Wiring; BDC3 Variable Blower Control Board; Continuous Low Blower Option; Blower Speed Adjustments; Diagnostic LEDs
  • Page 13 – Jumper Settings; Table 4; NORM; NOTE − Blower
  • Page 14 – Table 5; Table 6
  • Page 15 – Table 7; Table 8
  • Page 16 – Table 9; Initial Air Purging; OFF; Air Bleed Valve Location
  • Page 17 – System Adjustments; Service Filters
  • Page 18 – Troubleshooting: Continuous Fan Sequence of Operation
  • Page 19 – Troubleshooting: Cooling Sequence of Operation
  • Page 20 – Troubleshooting: Heating Sequence of Operation
Loading the manual

09/06

505,047M

*2P0906*

*P505047M*

Page 1

E

2006 Lennox Industries Inc.

Dallas, Texas, USA

RETAIN THESE INSTRUCTIONS

FOR FUTURE REFERENCE

WARNING

Due to higher operating pressures, CBWMV units
must not be applied to steam boiler systems.

CAUTION

Unit is designed to be used with non−potable boiler
systems only.

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.

Introduction

The multi−positional Dave Lennox

Signature

t

Collection

CBWMV air handler/hot water coil unit is designed to be
used with non-potable boiler systems for warm air heating.
A variety of Lennox air conditioning systems may be ap-
plied to the CBWMV unit for optional cooling.

INSTALLATION
INSTRUCTIONS

CBWMV

Series Units

AIR HANDLERS

505,047M
09/06
Supersedes 02/06

Table of Contents

Introduction

1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Shipping & Packing List

1

. . . . . . . . . . . . . . . . . . . . . . . .

CBWMV Unit Dimensions

2

. . . . . . . . . . . . . . . . . . . . . .

General

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CBWMV Unit Parts Arrangement

3

. . . . . . . . . . . . . . . .

CBWMV Unit Parts Description

3

. . . . . . . . . . . . . . . . . .

CBWMV Unit Optional Accessories

3

. . . . . . . . . . . . . .

Requirements

4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Application

4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation − Setting Equipment

4

. . . . . . . . . . . . . . . . . .

Duct System

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Return Air Opening Guidelines

6

. . . . . . . . . . . . . . . . . .

Filter Assembly & Filters

8

. . . . . . . . . . . . . . . . . . . . . . .

Plumbing

8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical

8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Freezestat Operation

12

. . . . . . . . . . . . . . . . . . . . . . . . . .

BDC3 Variable Blower Control Board

12

. . . . . . . . . . . . .

Blower Speed Adjustments

12

. . . . . . . . . . . . . . . . . . . . .

Initial Air System Purging

16

. . . . . . . . . . . . . . . . . . . . . . .

System Adjustments

17

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Annual Service

17

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service Filters

17

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Winterizing the CBWMV Unit

17

. . . . . . . . . . . . . . . . . . . .

Repair Parts List

17

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting:

Continuous Fan Sequence of Operation

18

. . . . . . . . . .

Cooling Sequence of Operation

19

. . . . . . . . . . . . . . . . .

Heating Sequence of Operation

20

. . . . . . . . . . . . . . . . .

Shipping & Packing List

1 − CBWMV Air Handler [

NOTE − Includes freezestat

mounted to the manifold.

]

1 − Bag assembly containing:

1 − Electrical make−up box

1 − Copper fitting

1 − Snap bushing

2 − Water line grommets

3 − Wire nuts

2−7/8" cabinet plugs

Check equipment for shipping damage. If you find any
damage, immediately contact the last carrier.

Litho U.S.A.

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Summary

Page 2 - FRONT VIEW

Page 2 505047 09/06 CBWMV Unit Dimensions − inches (mm) *Bottom Return Air Opening *Bottom Return Air Opening ELECTRICAL INLET(Either Side) SUPPLY AIROPENING AIR FLOW FRONT VIEW SIDE VIEW TOP VIEW A B 9/16 (14) C 3/4 (19) 3/4 (19) 28−1/2 (724) 19−7/16 (494) 23−1/2 (597) 4−1/4 (108) 40 (1016) 4 (102)...

Page 3 - CBWMV Unit; Figure 1

Page 3 CBWMV SERIES General These instructions are intended as a general guide and donot supersede local codes in any way. Consult authoritieshaving jurisdiction before installation. Only qualified ser-vice technicians or installers may install and service thisunit. CBWMV Unit Parts Arrangement CBWM...

Page 4 - Requirements; Table 1; Clearances; NOTE − Service access clearance must be maintained.; Application; WARNING; This product contains fiberglass wool.

Page 4 505047 09/06 Requirements WARNING Improper installation, adjustment, alteration, ser-vice or maintenance can cause personal injury, lossof life, or damage to property. Installation and service must be performed by aqualified installer or service agency. Installation of Lennox CBWMV unit must ...

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