York XA-20 Manuals

Manuals and User Guides for York XA-20. We have 1 York XA-20 manual available for free PDF download: Installation Manual

York XA-20 Installation Manual

York XA-20 Installation Manual (53 pages)

Brand: York | Category: Electric Heater | Size: 5.46 MB

Table of Contents

Table of Contents
1
General
2
Installation
5
Limitations
5
Unit Limitations
6
Component Location
6
Location
7
Rigging and Handling
7
Unit Weight
8
Unit 4 Point Load Weight
8
Unit 6 Point Load Weight
8
Center of Gravity
8
Unit Accessory Weights
9
Unit Dimensions Front View
9
Unit Dimensions Front View
10
Unit Dimensions Rear View
11
Unit Clearances
12
Unit Dimensions Rain Hood
12
Roof Curb
12
Ductwork
13
Condensate Drain
13
Fixed Outdoor Air Damper
13
Compressors
14
Filters
14
Power and Control Wiring
14
Control Wire Sizes
15
Field Wiring Disconnect - Heat Pump Unit With/Without Electric Heat
15
Typical Field Wiring 24 Volt Thermostat
16
Electrical Data
17
Physical Data
21
Field Installed Electric Heat Accessories
22
Options/Accessories
22
Economizer Sequences
22
Dry Bulb Changeover
22
Electric Heat Minimum Supply Air
22
Single Enthalpy Changeover
23
Dual Enthalpy Changeover
23
Auto
23
Free Cooling Operation
23
Power Exhaust
23
Setpoints
23
Inputs
23
Outputs
23
Operation
24
Smart Equipment™ Economizer Board Details
25
SE-ECO1001-0 Economizer Controller
25
Field Installed BAS-Ready Economizer Power Exhaust Damper Set Point Adjustment
28
Belt Adjustment
29
Altitude/Temperature Correction Factors
30
Air Flow Performance - Side Duct Application
32
Air Flow Performance - Bottom Duct Application
33
Air Balance
34
RPM Selection
34
Indoor Blower Specifications
34
Power Exhaust Specifications
34
Pressure Drop Across a Dry Indoor Coil Vs. Supply Air CFM for All Unit Tonnages
34
Additional Static Resistance
35
Sequence of Operation
36
Cooling Sequence of Operation
36
Cooling Operation Errors
36
Electric Heating Sequence of Operations
37
Defrost Termination
38
Interval between Defrosts
38
Forced Defrost
38
Electric Heat Operation Errors
38
Limit Control Setting
38
Start-Up (Cooling)
39
Electric Heat Anticipator Setpoint
39
Charging the Unit
40
15 Ton) Charging Chart
40
Maintenance
41
Normal Maintenance
41
Filters
41
Motors
41
Blower Shaft Bearing
41
Outdoor Coil
41
Smart Equipment™ UCB Details
42
Unit Control Board
42
Cable for FC Buses and SA Buses in Order of Preference
47
Start-Up Sheet
48

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