York CURBPAK CP250 Manuals

Manuals and User Guides for York CURBPAK CP250. We have 1 York CURBPAK CP250 manual available for free PDF download: Installation Operation & Maintenance

York CURBPAK CP250 Installation Operation & Maintenance (68 pages)

AIR HANDLING UNITS

Brand: York | Category: Air Handlers | Size: 1.39 MB

Table of Contents
3
Introduction
6
General
6
Description
6
Cutaway of Curbpak Showing Various Segments
6
Receiving
7
Storage
8
Safety Practices
8
Segment Identification
9
Unit Nomenclature
9
Segment Availability
10
Installation
11
Location
11
Roof Pitch Limitations
11
Curb Information
11
Service Clearance
11
Roof Curb Installation
12
Curb Assembly
12
Roof Curb
13
Typical Curb Installation Assembled
13
And Cross Sections
13
Curb Calculations for Inside Dimensions
13
Rigging
14
Field Assembly - Shipping Split Section
14
Installing Unit on Curb
15
Isolators
15
Splice Kit for Shipping Split Assembly
15
Air System
16
Duct Connection Guidelines
16
Rubber-In Shear Isolator - no Adjustment
16
Spring Isolator
16
Standard Tie-Down / no Snubber
16
Tie-Down Method
16
Sound and Vibration Transmission
17
Standard Tie-Down with Snubber
17
Seismic Snubber
17
Down Discharge Duct Connections
17
Recommended Discharge Duct Arrangement When Turns Are Required
17
Front Discharge Unit Installation
18
Piping
18
Coil Piping
18
Duct Penetration of Roof
18
Roof to Duct Installation - Horizontal Discharge
18
Pipe Chase Enclosure
19
Pipe Chase Enclosure Assembly for Units with Pipe Chase Shipped Loose
19
Pipe Chase Installation
20
Water Coils - Drainable Water
20
Factory Coil Connections
20
Heating Coils
21
Steam Coils
21
Direct Expansion Coils
21
Air Velocity through Coils
22
Condensate Drain Piping
22
Condensate Drain Trap
22
Typical DX Coil Piping
22
Drain Trap Showing Water Location During Draw through Operation Stages
22
Drain Trap Piping for Draw-Through Unit
22
Belts and Sheaves
23
Air Filters
23
Drain Trap Showing Piping for Blow-Through Unit (Positive Pressure in Unit)
23
Combining Drain Lines
23
Sheave Alignment
23
Door Handle Adjustment
24
Air Flow Control Dampers
24
Variable Inlet Vanes
24
Typical Variable Inlet Vane Components
24
Variable Inlet Vane Installed in Inlet Cone Airfoil Fan
25
Typical Curbpak Operation in HVAC System
26
Electrical Information
26
Jack Shaft Crank Arm Position
26
Torque Requirements to Operate Variable Inlet Van (VIV)
26
Typical Motor Data / Nameplate
27
Motor Control Configuration Diagram
28
Motor Control Centrifugal Diagram
28
Wiring Diagram Starter Panel
29
Wiring Diagram 2 Speed - 2 Winding Starter Panel
30
Wiring Diagram 2 Speed - 2 Winding
30
Typical Electric Heater Wiring Diagram
31
Typical Electric Heater
31
Factory Installed Controls and Electrical Options
32
Variable Air Volume Applications
32
YORK Air-Modulator W/Options Panel
32
Motor Starter Panel
32
Factory Packaged Controls and Motor Control Center
33
Typical Curbpak W/Factory-Packaged Controls or
33
Single Point Motor Control Center
33
Operation
34
Startup Checklist
34
Pre-Operational Check
34
Temperature Limitations
35
Static Pressure Limits
35
Types of Centrifugal Fan Impellers
35
Safety Check - "Warning
36
Motors
36
Belts
36
Sheaves and Drives
36
Locking Ring Variable Speed Sheaves
36
Locking Ring Variable Pitch Sheaves
36
Forward Curved/Airfoil Fan and Motor Data
37
Forward Curved / Airfoil Fan and Motor Data
37
FE-FC Return Fan Sizes
38
FE - FC Return Fan Sizes
38
Plenum Fan and Motor Data - FP
39
Plenum Return Fan and Motor Data - FP(V) Economizer
40
Maintenance
41
General
41
Periodic Maintenance
41
Lubrication Lines
41
Fan Bearing - Lubrication Intervals
42
Motor Bearing - Lubrication Intervals
42
Motor Bearing - Service Conditions
42
Grease Fittings
43
Motor Bearing - Lubrication Interval Multiplier
43
Motor Bearing - Sizes and Types
43
Motor Lubrication Procedure
44
Variable Inlet Vanes
44
Humidifiers
44
Belts
45
Belt Replacement
45
Belt Tensioning
45
Typical Drive Kit Data Tag
45
Belt Tensioning Gauge
45
Removal & Installation of Components
46
FC Fan Shaft and Wheel Marking
46
Airfoil Inlet Vane and Cone Assembly
47
Bearing Locking Devices
48
Bearing with Setscrew Type Locking Device
48
Bearing with Eccentric Cam
48
Bearing Installation
49
Torque for Tightening Set Screws
49
Coils
50
Split Bearing
50
Condensate Pan and Drain Line
51
Freeze Protection
51
Winterizing Drain Traps
51
Determining Left - or Right-Hand Coil Connection
51
Drive Side
51
Filter Sizes and Quantity - Flat, Rigid, Bag and Hepa Filter
52
Filters for FF, RF, BF and HF Segments
52
Filter Sizes and Quantities - Flat, Rigid, Bag and HEPA Filters
52
Filter Sizes and Quantity - Angle Filters
53
Filters for AF Segment
53
Filter Sizes and Quantities - Angle Filters
53
Filter Sizes and Quantity - Tray Carbon Filters
54
Filters for CF Segment
54
Filter Sizes and Quantities - 1 Inch Tray Carbon Filters
54
Gasketed, Modular Filter Holding Frames and Latches
55
Universal Holding Frames and Latches
55
Universal Frame Latch Selection
56
Specifications
56
Welded Bevel Seal Frame
57
Gasket Protection
57
Patented Visual Control Filter Clamps
57
Welded Bevel Seal Filter Installation
57
Bevel Seal Extrusion Sections
57
Bevel Seal Extrusion Sections
58
Visual Control Filter Clamps
58
Bevel Seal Frame Bank
58
Welded Bevel Seal Frame and Clips
58
HEPA Filter Frame Cross Sections
58
Service
59
Troubleshooting
59
Pitot Tube
59
Construction of Pitot Tube
59
Inclined Manometer
60
Magnehelic Pressure Gauge
60
U" Tube Manometer
60
65 "U" Tube Manometers
60
Duct Pressures and How They Work
61
Slack-Tube Manometer
61
Static Pressure - Air System
61
Troubleshooting Chart
63

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York CURBPAK CP250 Installation Operation & Maintenance (68 pages)

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