York Predator ZF078 Rooftop Units Manuals

Manuals and User Guides for York Predator ZF078 Rooftop Units. We have 2 York Predator ZF078 Rooftop Units manuals available for free PDF download: Technical Manual, Installation Manual

York Predator ZF078 Installation Manual (70 pages)

Brand: York | Category: Fan | Size: 2.99 MB

Table of Contents
1
General
2
Installation
5
Preceding Installation
5
Unit Shipping Bracket
5
Condenser Covering
5
Compressor Section
5
Limitations
6
Predator ® Component Location (ZF120 Shown)
6
Location
7
Rigging and Handling
7
ZF078-150 Unit Limitations
7
Weights and Dimensions
8
Unit 4 Point Load Weight
8
Unit 6 Point Load Weight
8
Center of Gravity
8
ZF078-150 Unit Accessory Weights
9
Zf078-120
9
ZF078-150 Unit Physical Dimensions
11
ZF078-150 Unit Clearances
11
ZF078-150 Unit Bottom Duct Openings
12
ZF078-150 Unit Electrical Entry
13
ZF078-120 Unit Side Duct Openings
13
Side Duct Dimensions
14
ZF150 Unit Side Duct Openings
14
ZF078-150 Unit Left Duct Opening
14
Ductwork
15
ZF078-150 Roof Curb
15
ZF078-150 Transition Roof Curb
15
Condensate Drain
16
Compressors
16
Side Panels with Hole Plugs
16
Return Downflow Plenum with Panel
16
Discharge Panel in Place
16
Filters
17
Power and Control Wiring
17
Field Wiring Disconnect - Cooling Unit With/Without
18
Field Wiring Disconnect - Cooling Unit with
18
Electric Heat and All Units with VFD Option
18
Gas Heat Without VFD Option
18
Control Wire Sizes
19
Typical Electronic Thermostat Field Wiring
19
Typical Field Wiring 24 Volt Thermostat
19
Electrical Data
20
ZF078-150 Physical Data
28
Optional Electric Heat
30
Electric Heat Minimum Supply Air
30
Optional Gas Heat
31
Gas Pipe Sizing - Capacity of Pipe
31
Side Entry Gas Piping
31
Bottom Entry Gas Piping
31
Gas Heat Minimum Supply Air
32
Options/Accessories
33
Optional Variable Air Volume (VAV)
34
Optional Hot Gas Bypass (HGBP)
36
Standard Economizer and Power Exhaust Set Point Adjustments
36
Enthalpy Set Point Chart
37
Supply Air Limitations
38
Honeywell Economizer Control W7212
38
Belt Adjustment
38
Altitude/Temperature Correction Factors
40
Airflow Performance
41
Airflow Performance - Side Duct Application
42
Zf150
43
Airflow Performance - Bottom Duct Application
44
RPM Selection
45
Air Balance
46
Checking Air Quantity
46
Indoor Blower Specifications
46
Power Exhaust Specifications
46
Dry Coil Delta P
47
Motor Sheave Datum Diameters
48
Operation
49
Cooling Sequence of Operation
49
Additional Static Resistance
49
No Outdoor Air Options
50
Cooling Operation Errors
52
Electric Heating Sequence of Operations
53
Electric Heat Operation Errors
53
Electric Heat Limit Setting 50" Cabinet
53
Gas Heating Sequence of Operations
54
Ignition Control Board
54
Electric Heat Limit Setting 42" Cabinet
54
Electric Heat Anticipator Setpoints
54
Gas Heating Operation Errors
55
Gas Heat Limit Control Settings
55
Start-Up (Cooling)
56
Start-Up (Gas Heat)
56
Gas Heat Anticipator Setpoints
56
Checking Gas Heat Input
57
Gas Rate Cubic Feet Per Hour
58
Gas Heat Stages
58
Charging the Unit
59
Troubleshooting
59
Typical Flame
59
Typical Gas Valve
59
Unit Control Board Flash Codes
60
Unit Control Board Option Setup
61
Option Byte Setup
61
Heat Delay Setup
61
Unit Control Board
61
Heat Delay
62
Ignition Control Flash Codes
62
VAV Control Board Flash Codes
62
Basic Troubleshooting Flowchart
63
Power on Flow Chart
63
Trip Failure Flow Chart
64

York Predator ZF078 Technical Manual (71 pages)

ZF SERIES 6.5 - 12.5 TON 60 Hertz

Brand: York | Category: Air Conditioner | Size: 4.99 MB

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