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ZJ078
York ZJ078 User Manual
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1183875-YIM-A-1014
10
Johnson Controls Unitary Products
Figure 9:
ZJ150 Ph
ysical Dimensions
15.23
29.03
14.85
29.03
14.85
15.23
28.86
29.66
44.09
Ø 24.58 TYP
. 4 PL.
FRONT
See detail B for drain location
See detail A
for gas inlet
C
D
E
F
B
4 3/16
27 5/16
89
21 3/16
1
1 3/8
A
LEFT
59
9
11
Table of Contents
Table of Contents
1
General
2
Installation
5
Preceding Installation
5
Limitations
5
Unit Shipping Bracket
6
Condenser Covering
6
Compressor Section
6
Location
7
Rigging and Handling
7
ZJ078-150 Unit Limitations
7
Predator ® Component Location (ZJ120 Shown)
7
Weights and Dimensions
8
ZJ078-150 Unit Accessory Weights
9
Unit 4 Point Load Weight
9
Unit 6 Point Load Weight
9
Center of Gravity
9
ZJ078-120 Physical Dimensions
10
ZJ078-150 Unit Physical Dimensions
11
ZJ078-150 Unit Clearances
11
ZJ150 Physical Dimensions
11
ZJ078-150 Unit Bottom Duct Openings
13
Side Duct Dimensions
14
ZJ078-150 Unit Electrical Entry
14
ZJ078-120 Unit Side Duct Openings
14
Ductwork
15
ZJ150 Unit Side Duct Openings
15
ZJ078-150 Unit Left Duct Opening
15
Side Panels
16
Condensate Drain
16
ZJ078-150 Roof Curb
16
ZJ078-150 Transition Roof Curb
16
Compressors
17
Filters
17
Power and Control Wiring
17
Side Panels with Hole Plugs
17
Return Downflow Plenum with Panel
17
Discharge Panel in Place
17
Save Side Panels for Economizer Hood Tops
17
Field Wiring Disconnect - Cooling Unit With/Without Electric Heat and All Units with VFD Option
19
Control Wire Sizes
20
Field Wiring Disconnect - Cooling Unit with Gas Heat Without VFD Option
20
Electrical Data
21
Typical Electronic Thermostat Field Wiring
21
Physical Data
29
Optional Electric Heat
31
Optional Gas Heat
31
Electric Heat Minimum Supply Air
31
Gas Pipe Sizing - Capacity of Pipe
32
Gas Heat Minimum Supply Air
32
Side Entry Gas Piping
32
Options/Accessories
33
Bottom Entry Gas Piping
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
37
Auto
37
Free Cooling Operation
37
Power Exhaust
37
Simplified VFD Wiring
37
Simplicity SE Economizer Board Details
38
SE-ECO1001-0 Economizer Controller
39
Supply Air Limitations
41
Altitude/Temperature Correction Factors
43
Belt Adjustment
43
Altitude/Temperature Correction Factors
44
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
Motor Sheave Datum Diameters
51
Dry Coil Delta P
51
Operation
52
Cooling Sequence of Operation
52
Additional Static Resistance
52
Cooling Operation Errors
54
Electric Heating Sequence of Operations
54
Electric Heat Operation Errors
55
Gas Heating Sequence of Operations
55
Electric Heat Limit Setting
55
Electric Heat Anticipator Setpoints
55
Gas Heating Operation Errors
56
Start-Up (Cooling)
57
Gas Heat Limit Control Settings
57
Gas Heat Anticipator Setpoints
57
Start-Up (Gas Heat)
58
Checking Gas Heat Input
58
Gas Rate Cubic Feet Per Hour
59
Charging the Unit
60
Control Board Navigation Components
60
Gas Heat Stages
60
Typical Gas Valve
60
Simplicity™ SE (Smart Equipment) Firmware Version 3. Basic
61
Unit Control Board Navigation Examples
61
Typical Flame
62
Typical Gas Valve
62
Simplicity SE UCB Details
63
Unit Control Board
63
Unit Control Board
65
Ignition Control Flash Codes
68
Start-Up Sheet
69
Condensate Drain
71
1183875-Yim-A-1014
74
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York ZJ078 Specifications
General
Brand
York
Model
ZJ078
Category
Air Conditioner
Language
English
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