York ZWT12 Manuals

Manuals and User Guides for York ZWT12. We have 1 York ZWT12 manual available for free PDF download: Installation Manual

York ZWT12 Installation Manual

York ZWT12 Installation Manual (73 pages)

Brand: York | Category: Air Conditioner | Size: 2.63 MB

Table of Contents

Table of Contents
1
General
2
Installation
5
ZWT06 Thru T12 Unit Bottom Duct Openings
12
ZWT06 Thru T12 Unit Electrical Entry
13
ZWT06 Thru T10 Unit Side Duct Openings
13
- Side Duct Dimensions
  14
ZWT12 Unit Side Duct Openings
14
ZWT06 Thru T12 Unit Left Duct Opening
14
- Left/End Duct Dimensions
  15
ZWT06 Thru T12 Roof Curb
15
ZWT06 Thru T12 Transition Roof Curb
15
- Ductwork
  16
- Side Panels
  16
- Condensate Drain
  16
Side Panels with Hole Plugs
16
Return Downflow Plenum with Panel
16
Physical Data
29
- Optional Electric Heat
  31
- Optional Gas Heat
  31
Electric Heat Minimum Supply Air
31
- Side Entry Gas Piping
  31
Gas Pipe Sizing - Capacity of Pipe
32
Gas Heat Minimum Supply Air
32
- Bottom Entry Gas Piping
  32
- Options/Accessories
  33
- Optional Variable Air Volume (VAV)
  34
- Optional Hot Gas Bypass (HGBP)
  36
- Economizer Sequences
  36
- Dry Bulb Changeover
  36
- Single Enthalpy Changeover
  36
- Dual Enthalpy Changeover
  36
- Auto
  36
  - Simplified VFD Wiring
    36
- Free Cooling Operation
  37
- Power Exhaust
  37
Smart Equipment™ Economizer Board Details
38
- SE-ECO1001-1 Economizer Controller
  38
Supply Air Limitations
41
- Belt Adjustment
  42
Altitude/Temperature Correction Factors
43
Airflow Performance
45
- Airflow Performance - Side Duct Application
  45
- Airflow Performance - Bottom Duct Application
  47
- RPM Selection
  48
- Air Balance
  49
- Checking Air Quantity
  49
  - Indoor Blower Specifications
    49
  - Power Exhaust Specifications
    49
  - Dry Coil Delta P
    50
  - Motor Sheave Datum Diameters
    51
Operation
52
Start-Up (Cooling)
58
Start-Up (Gas Heat)
58
- Gas Heat Anticipator Setpoints
  58
Checking Gas Heat Input
59
- Gas Rate Cubic Feet Per Hour
  59
Charging the Unit
60
- Gas Heat Stages
  60
- Typical Flame
  60
- Typical Gas Valve
  60
Control Board Navigation Components
61
Start-Up Sheet
68

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