Lennox International Inc AIR HANDLERS, CBWMV guide

Table 5

CBWMV−24B−040 Blower Performance

0 through 0.80 in. w.g. (0 Through 200 Pa) External Static Pressure Range ; Factory Settings: Heating Speed − 2, Cooling Speed − 1, Speed Adjust − NORM; Applications with single sided inlets will reduce CFM by approximately 4%.

										BDC3 Jumper Speed Positions
ADJUST"
ADJUST"																1st Stage peed
Jumper																1st Stage peed
Jumper
Setting														1			2			3			4
Setting
													cfm		L/s	cfm		L/s	cfm		L/s	cfm		L/s


+													610		290	770		365	930		440	1010		475

NORM													560		265	700		330	830		390	910		430

													510		240	630		295	750		355	810		380
ADJUST"						T" Speed										2nd Stage				peed
ADJUST"
Jumper		1			2			3			4			1			2			3			4
Setting
Setting	cfm		L/s	cfm		L/s	cfm		L/s	cfm		L/s	cfm		L/s	cfm		L/s	cfm		L/s	cfm		L/s


+	820		385	990		465	1180		555	1340		630	880		415	1120		530	1340		630	1440		680

NORM	750		355	900		425	1070		505	1230		580	800		375	1000		470	1200		565	1300		615

	970		315	810		380	940		445	1080		510	720		340	900		425	1080		510	1170		550

The effect of static pressure and filter resistance is included in air volumes shown. 1st stage COOL is approximately 70% of the same 2nd stage COOL speed position. Continuous Fan Only speed is approximately 38% of the same 2nd stage COOL speed position.

Lennox Harmony zone control applications − Minimum blower speed is 400 cfm. Max cfm is the same as 2nd stage cool position.

Table 6

CBWMV−36B−070 Blower Performance

0 through 0.80 in. w.g. (0 Through 200 Pa) External Static Pressure Range ; Factory Settings: Heating Speed − 4, Cooling Speed − 3, Speed Adjust − NORM; Applications with single sided inlets will reduce CFM by approximately 4%.

										BDC3 Jumper Speed Positions
ADJUST"
ADJUST"																1st Stage peed
Jumper																1st Stage peed
Jumper
Setting														1			2			3			4
Setting
													cfm		L/s	cfm		L/s	cfm		L/s	cfm		L/s


+													590		280	745		350	895		420	975		460

NORM													545		255	680		320	805		380	890		420

													490		230	600		280	725		340	780		370
ADJUST"						HEAT" Speed										2nd Stage peed
ADJUST"
Jumper		1			2			3			4			1			2			3			4
Setting
Setting	cfm		L/s	cfm		L/s	cfm		L/s	cfm		L/s	cfm		L/s	cfm		L/s	cfm		L/s	cfm		L/s


+	790		370	980		465	1140		540	1310		620	850		400	1090		515	1300		620	1430		675

NORM	730		345	870		410	1040		490	1190		560	775		365	990		465	1190		560	1280		605

	640		300	770		360	920		435	1070		505	700		330	870		410	1065		500	1150		540

The effect of static pressure and filter resistance is included in air volumes shown. 1st stage COOL is approximately 70% of the same 2nd stage COOL speed position. Continuous Fan Only speed is approximately 38% of the same 2nd stage COOL speed position.

Lennox Harmony zone control applications − Minimum blower speed is 400 cfm. Max cfm is the same as 2nd stage cool position.

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505047 09/06

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Lennox International Inc AIR HANDLERS CBWMV−24B−040 Blower Performance, CBWMV−36B−070 Blower Performance

CBWMV, AIR HANDLERS specifications

Lennox International Inc is a renowned leader in the heating, ventilation, and air conditioning (HVAC) industry, known for its commitment to innovation and energy efficiency. Among its impressive lineup of products, the CBWMV air handlers stand out as a reliable solution for optimal indoor climate control.

The CBWMV air handler is designed to provide efficient and effective airflow while being easy to install and maintain. One of the key features of the CBWMV model is its variable speed blower motor, which allows for precise control of airflow and temperature. This innovation not only enhances comfort levels within a space but also contributes to significant energy savings. By adjusting the speed of the motor according to the heating or cooling demand, the system operates more efficiently, reducing energy usage by up to 40% compared to conventional systems.

Another important characteristic of the CBWMV air handlers is their compatibility with a range of heating and cooling systems, including heat pumps and gas furnaces. This versatility makes them an ideal choice for residential and commercial applications alike. The unit’s compact design allows for flexible installation options, accommodating various spaces without compromising performance.

The CBWMV series is also engineered to provide superior air quality. With advanced filtration options, these air handlers can effectively remove dust, allergens, and pollutants from the air, promoting a healthier indoor environment. Many models come equipped with a MERV 16 filter, enhancing the filtration capability, and ensuring that occupants breathe cleaner air.

Durability is another hallmark of the CBWMV line. Constructed with high-quality materials, these air handlers can withstand rigorous use and environmental conditions. The units are designed to require minimal maintenance, with features that facilitate easy access for filter changes and routine servicing.

Additionally, the CBWMV series integrates seamlessly with Lennox’s smart technology solutions, allowing users to monitor and control their HVAC systems remotely. The compatibility with home automation systems ensures that users can optimize comfort settings and efficiency with ease.

In conclusion, Lennox International Inc's CBWMV air handlers offer a remarkable blend of efficiency, comfort, and innovative technology. With features that prioritize energy savings, air quality, versatility, and durability, they represent a forward-thinking choice for modern HVAC needs. Whether for residential or commercial use, these air handlers stand as a testament to Lennox's commitment to excellence in indoor climate management.

Contents

Introduction Table of ContentsShipping & Packing List Cbwmv Unit Dimensions − inches mm TOP View Cbwmv Unit Parts Arrangement Cbwmv Unit Optional AccessoriesGeneral Cbwmv Unit Parts Description Requirements Installation − Setting EquipmentCbwmv Unit Service Clearances Application Return Air Plenum Duct SystemCbwmv Multi−Positional Unit Return Air Opening Guidelines Horizontal Applications Leveling Bolt InstallationRemoving the Bottom Panel Unit Suspended in Attic or Crawlspace Electrical Filter Assembly & FiltersPlumbing Removeable Jumpers Electrostatic Discharge ESD Precautions And ProceduresField Wiring Application Jumper Settings See figure Accessory Field Wiring TB66 & TB67 Accessory Field Wiring K212Accessory Relay Field Wiring K212 Indoor Blower Speeds Typical Cbwmv Wiring BDC3 Variable Blower Control Board Blower Speed AdjustmentsFreezestat Operation Jumper Settings Factory Blower Speed Tap Settings CBWMV−24B−040 Blower Performance CBWMV−36B−070 Blower Performance CBWMV−36C−090 Blower Performance CBWMV−60C−100 Blower Performance Air Bleed Valve Location Initial Air PurgingCBWMV−60C−120 Blower Performance Service Filters System AdjustmentsAnnual Service Repair Parts List Troubleshooting Continuous Fan Sequence of Operation YES Troubleshooting Cooling Sequence of Operation Troubleshooting Heating Sequence of Operation