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CBX32MV-024/030
Lennox CBX32MV-024/030 User Manual
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Page 67
CBX32MV
ECB40-9CB P VOL
T
AGE SHOWN
Primary Limit S15 and
Secondary Limit S20
Relay K32
Relay K33
Elements HE1 and HE2
Location of CB1
Figure 38. Electric Heat
66
Table of Contents
Table of Contents
1
Imtroduction
1
Specifications
2
Optional Accessories
3
Model Identification
3
Blower Data
3
Electric Heat Data
9
CBX32MV Upflow and Downflow Unit Dimensions
13
Horizontal LH/RH Unit Dimensions
14
Installation Clearances
15
General
15
Installation Requirements
15
Optional Unit Side Stand
16
Upflow Configuration
16
Horizontal Right-Hand Discharge Application
16
Horizontal Left-Hand Discharge Application
17
Field Modification for Left-Hand Discharge
17
Suspending Horizontal Unit
17
Downflow Application
18
Downflow Drip Shields
18
Downflow Discharge Position
19
Applying Foam Tape to Drip Shield
19
Combustible Flooring Additive Base
19
Brazing Connections
19
Best Practices
22
Main Drain
22
Overflow Drain
22
Condensate Drain Requirements
22
Typical Main and Overflow Drain Installations
23
Filter Dimensions
23
Inspecting and Replacing Filters
23
Sealing the Unit
23
Field Control Wiring
24
Control (Field) Wiring — Communicating System
25
Control — Cooling Application
26
Control — Heat Pump
26
Cooling Application Non-Communicating
27
Heat Pump Application Non-Communicating
27
Discharge Sensor (DAT)
28
Air Handler Control 9-Pin Connector
28
Control Connections and Wiring Requirements
28
Sensor Connections and Wiring Requirements
28
Air Handler Control Connections
29
Run Length — Non-Communicating
29
Air Handler Configuration
30
Push Button
31
Air Handler Control Button, Display and Jumpers
31
Display
32
AHC System Status Codes
32
AHC Configuration, Test and Error Recall Function
33
AHC Control Single Character Display Alert Codes
34
Air Handler Control Checkout
36
Configuring Unit
36
Configure Unit Size Codes
37
Heat Mode Selection
38
EVENHEAT Operation
39
Heat Pump Operation
41
Cooling Operation
42
Error Code / Recall Mode
43
Pre-Start-Up Checks
44
Check Cooling Operation
44
Indoor Blower Test
44
Checkout Procedures
44
Emergency Heat
45
Heating
45
Operation
45
Maintenance
45
Repairing Damaged Insulation
46
Cabinet Insulation
46
Sequence of Operations
47
Cooling Operation and Jumper Summary
48
CBX32MV with Comfortsenset 7000 Thermostat
49
ECB40-2.5, 4, 5 and ECB40-4CB, 5CB 208/230V Single Phase
51
ECB40-6 and ECB40-6CB 208/230V Single Phase
52
ECB40‐8 and ECB40-8CB - 208/230V Single Phase
53
ECB40‐9CB - 208/230V Single Phase
54
ECB40-12.5CB, ‐15CB - 208/230V Single Phase
55
ECB40‐20CB - 208/230V Single Phase
56
ECB40‐25CB - 208/230V Single Phase
57
ECB40-8, 10 and ECB40‐15CB - 208/230V Three Phase
58
ECB40‐20CB, ECB25CB - 208/230V Three Phase
59
Unit Components
60
Transformer
61
Plastic Drain Pans
61
Discharge Sensor
61
Variable Speed Blower Motor
61
Indoor Blower Motor Control Troubleshooting
62
Internal Operation
62
Initial Power up
62
Motor Start‐Up
62
Regal-Beloit / Gemtech 3.0 — Troubleshooting
63
Regal-Beloit — Blower B3 Harness Connectors
63
Additional Indoor Blower Motor Troubleshooting
64
Typical Digital Multimeter
64
Module Test
64
Motor Test
64
Indoor Blower Motor Control Connections
65
J48 Test
65
Optional Electric Heat (ECB40)
66
Matchup and Ratings
66
Electric Heat Components
66
J49 Test
66
Electric Heat
67
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Lennox CBX32MV-024/030 Specifications
General
Brand
Lennox
Model
CBX32MV-024/030
Category
Air Conditioner
Language
English
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