YORK ZT SERIES Manuals

Manuals and User Guides for YORK ZT SERIES. We have 2 YORK ZT SERIES manuals available for free PDF download: Technical Manual, Installation Manual

YORK ZT SERIES Technical Manual (148 pages)

3 - 12.5 TON Packaged Rooftop units

Brand: YORK | Category: Air Handlers | Size: 4.83 MB

Description
1
- Ultra-High Efficiency
  1
- Table of Contents
  2
Product Highlights
2
Nomenclature
3
Component Location
4
- Standard Features
  5
- Two Independent Refrigeration Circuits
  5
- Optional Magnadry Dehumidification System
  5
- Slide out Blower Assembly
  5
- ECM Outdoor Motors
  6
- Toolless Hinged Panels
  6
- Variable Frequency Drive
  6
- Indoor Motors
  6
- Balanced Heating
  7
- Convertible Airflow Design
  7
- Advanced, Versatile Controls
  7
- Reduced Field-Installed Complexity
  7
- Nuisance Trip Protection and Three Strikes
  8
- Anti-Short Cycle Protection
  8
- Fan Delays
  8
- Low Ambient Control
  8
- Options and Accessories
  9
- Factory and Field-Installed Options
  10
- Single or Dual Enthalpy Control Accessories
  10
- Power Exhaust
  10
- Motorized Outdoor Air Damper
  10
- Low Nox Option
  11
- Stainless Steel Drain Pan
  11
- Electric Heaters
  11
- Disconnect Switch
  11
- Hail Guard
  12
- Dirty Filter Switch
  12
- E-Coat Evaporator and Condenser
  12
- Flue Exhaust Extension Kit
  12
- CPC BAS Control
  13
- Honeywell BAS Control
  13
- Novar BAS Control
  13
- Control Options
  13
- Unit Cabient
  14
- Indoor (Evaporator) Fan Assembly
  14
- Outdoor (Condenser) Fan Assembly
  14
Guide Specifications
14
Physical Data
17
Capacity Performance
22
Airflow Performance
79
Sound Performance
86
Electrical Data
104
Typical Wiring Diagrams
116
Weights and Dimensions
134
- ZT078-150 with Magnadry Option Unit Weights
  135
- ZT037-150 Unit Accessory Weights
  135
- ZT037-150 Unit Dimensions
  136
- ZT037-150 Unit Bottom Duct Openings
  140
- ZT037-061 Side Duct Dimensions
  141
- ZT037-150 Unit Electrical Entry
  141
- ZT037-061 Unit Side Duct Openings
  141
- ZT078-102 Unit Side Duct Openings
  142
- ZT078-102 Side Duct Dimensions
  142
- ZT120-150 Unit Side Duct Openings
  142
- ZT120-150 Side Duct Dimensions
  142
- ZT037-061 Unit Left/End Duct Opening
  143
- ZT037-150 Left/End Duct Dimensions
  143
- ZT037-150 Unit Accessory Dimensions
  144
- ZT037-150 Roof Curb
  144
- ZT037-061 Transition Roof Curb
  144
- ZT037-150 Roof Curb Cutaway
  145
- Economizer Usage
  146
- Economizer Downflow with Power Exhaust
  146
Economizer Options
146
- Economizer End Return with Power Exhaust
  147
- Field-Installed Horizontal Economizer with Power Exhaust
  147

York ZT SERIES Installation Manual (87 pages)

R-410A

Brand: York | Category: Fan | Size: 5.33 MB

Table of Contents
1
General
2
Installation
5
Preceding Installation
5
Unit Shipping Bracket
5
Barometric Relief Hood - Shipping Location
5
Limitations
6
Compressor Section
6
Component Location Table
7
Component Location
7
ZT078-150 Unit Limitations
8
Location
9
Rigging and Handling
9
4 Point and 6 Point Load Weight for W Units
10
4 Point and 6 Point Load Weight for V Units
10
Center of Gravity
10
ZT078-150 Standard Unit Weights and Dimensions
11
ZT078-150 Unit Weights with the Magna Dry Option
11
ZT078-150 Unit Accessory Weights
11
ZT078-102 Physical Dimensions
12
ZT078-150 Unit Physical Dimensions
13
ZT120-150 Physical Dimensions
13
ZT078-150 Unit Clearances
14
ZT078-150 Unit Bottom Duct Openings
15
ZT078-150 Unit Electrical Entry
16
ZT078-102 Side Duct Dimensions
17
ZT120-150 Side Duct Dimensions
17
Left/End Duct Dimensions
18
ZT078-150 Unit Left/End Duct Opening
18
ZT078-150 Roof Curb
18
ZT078-150 Transition Roof Curb
19
Ductwork
20
Side Panels
20
Side Panels with Hole Plugs
20
Return down Flow Plenum with Panel
20
Discharge Panel in Place
20
Condensate Drain
21
Compressors
21
Side Panels for Economizer Hood Tops
21
Filters
22
Power and Control Wiring
22
Field Wiring Disconnect
23
Control Wire Sizes
24
Typical Control Wiring
24
Electrical Data
25
Physical Data
33
Optional Electric Heat
35
Optional Gas Heat
35
Electric Heat Minimum Supply Air
35
Side Entry Gas Piping
35
Gas Pipe Sizing - Capacity of Pipe
36
Gas Heat Minimum Supply Air
36
Bottom Entry Gas Piping
36
Options and Accessories
37
Economizer Sequences
39
Simplified VFD Wiring
39
Power Exhaust
43
Smart Equipment™ Economizer Board
44
SE-ECO1001-0 Economizer Controller
44
Supply Air Limitations
48
Belt Adjustment
48
Altitude/Temperature Correction Factors
49
Airflow Performance
51
Airflow Performance - Side Duct Application
51
Airflow Performance - Bottom Duct Application
54
RPM Selection
56
Indoor Blower Specifications
56
Air Balance
56
Checking Air Quantity
56
Power Exhaust Specifications
56
Dry Coil Delta P
57
Motor Sheave Datum Diameters
58
Operation
60
Cooling Operation
60
Cooling Operation Errors
61
Reheat Mode Sequence of Operation
62
25 3 Stage Dehumidification Sequence in Normal and Alternate Mode
62
Cooling Operation Piping Schematic - Circuit No. 1
63
Reheat Operation Piping Schematic - Circuit No. 1
63
Electric Heating Sequence of Operations
64
Electric Heat Operation Errors
64
Gas Heating Sequence of Operations
64
Ignition Control Board
64
Electric Heat Limit Setting
64
Electric Heat Anticipator Setpoints
64
Gas Heating Operation Errors
65
Cooling Start-Up
66
Gas Heat Start-Up
66
Gas Heat Anticipator Setpoints
66
Checking Gas Heat Input
67
Gas Rate Cubic Feet Per Hour
68
Gas Heat Stages
68
Gas Heat Limit Control Settings
68
Navigation Components for the Smart Equipment™ Control Board
69
Typical Flame
69
Typical Two Stage Gas Valve
69
Smart Equipment™ Unit Control Board
70
Unit Control Board
70
Cable for FC Buses and SA Buses in Order of Preference
76
Ignition Control Flash Codes
76
Charging the Unit
77
ZT078 Charging Table - System 1
77
ZT078 Charging Table - System 2
77
ZT090 Charging Table - System 1
78
ZT090 Charging Table - System 2
78
ZT102 Charging Table - System 1
79
ZT102 Charging Table - System 2
79
ZT120 Charging Table - System 1
80
ZT120 Charging Table - System 2
80
ZT150 Charging Table - System 1
81
ZT150 Charging Table - System 2
81
Start-Up Sheet
82

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