York JMC12B2SN Manuals

Manuals and User Guides for York JMC12B2SN. We have 1 York JMC12B2SN manual available for free PDF download: Installation Manual

York JMC12B2SN Installation Manual (56 pages)

Variable Speed ECM Modular Multi-Position Air Handlers 208/230 V - Single Phase and Three Phase

Brand: York | Category: Air Handlers | Size: 3 MB

Table of Contents
3
About the JMC Unit
5
Certification
5
Safety
5
Understanding Safety Symbols and Instructions
5
Safety Requirements
6
Installation Overview
9
Preparing for Installation
10
Inspecting the Unit
10
Selecting a Location for Installation
10
Providing the Required Clearances
11
Understanding Installation and Operation Limitations
11
Becoming Familiar with the Unit Dimensions
12
Dimensions
12
Becoming Familiar with the Unit Components
12
Installing an Electric Heat Kit
13
Installing the Unit
14
Designing and Installing the Ductwork
14
Configuring the Unit
15
Suspending the Unit in Horizontal Applications
17
Using the Duct Flanges
18
Connecting the Unit to the Ductwork
18
Installing Air Filters
19
Connecting the Wiring
20
Connecting the Power Line
20
Connecting the Low-Voltage Wiring
21
Connecting the Low-Voltage Transformer
23
Using a Single-Stage Thermostat
23
Connecting Conventional Controls
23
Connecting Communicating Controls
25
Connecting a Float Switch for Communicating Systems
27
Setting up the Controls
28
Understanding the Unit Control Board
29
Checking the Unit Model Configuration
31
Setting the Unit Model
31
Configuring the Electric Heat Kit
32
Setting the DIP Switch for the Humidistat
35
Setting the DIP Switch for AC/HP Operation
35
Setting the DIP Switches for Stage Delay
36
Understanding Airflow and Comfort Settings
36
Configuring Low-Speed and High-Speed Airflow
37
Configuring Comfort Settings
38
Configuring Continuous Fan Airflow
39
Enabling S1 Mode for Use with an HMH7 Horizontal Discharge Heat Pump
40
Wiring the Thermostat to the Control Board
41
Adjusting the Air System
42
Unit Data
43
Troubleshooting
48
Status and Fault Codes
48
Wiring-Related Faults
51
Maintenance
52
Replacing or Cleaning Filters
52
Cleaning the Indoor Coil
52
Checking the Condensate Drain Lines
52
Third-Party Trademarks
52
Wiring Diagrams
53
Start-Up Sheet
55

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York JMC12B2SN Installation Manual (56 pages)

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