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IntelliPak SXHK Series
Trane IntelliPak SXHK Series User Manual
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122
RT
-SVX36G-EN
Unit Start Up
Pr
essur
e Drop T
ables
Figur
e 54.
W
et airside pressur
e drop at
0.075 lb/cu.f
t. 20 - 89 ton ev
aporator coil
Figur
e 55.
Dry airside pressur
e
dr
op at
0.075 lb/cu.ft. 20 - 89 t
on ev
aporat
or coil
121
123
Table of Contents
Default Chapter
3
Unit Nameplate
3
Compressor Nameplate
3
Overview of Manual
4
Unit Inspection
4
Storage
5
Table of Contents
6
Model Number Descriptions
9
General Information
13
Commonly Used Acronyms
13
Unit Description
13
Rooftop Module (RTM - 1U48 Standard on All Units)
13
Compressor Modules
14
Human Interface Module
14
Heat Module
14
Modulating Dehumidification Module MDM
15
Ventilation Override Module
15
Interprocessor Communications Board
15
Lontalk/Bacnet Communication Interface Module
15
Exhaust/Comparative Enthalpy Module
15
Ventilation Control Module
16
Generic Building Automation System Module
17
Multipurpose Module
17
Input Devices & System Functions
17
Constant Volume (CV), Single Zone Variable Air Volume (SZVAV) & Variable Air Volume (VAV) Sensors and Controls
18
Constant Volume (CV) Units
22
Single Zone Variable Air Volume (SZVAV) Only
23
Constant Volume (CV), Single Zone Variable Air Volume (SZVAV), & Variable Air Volume (VAV) Units
25
Single Zone Variable Air Volume (VAV) Units
26
Space Temperature Averaging
28
Installation
31
Pitch Pocket Location
44
If a Trane Curb Accessory Kit Is Not Used
45
Unit Rigging & Placement
46
General Unit Requirements
48
Main Electrical Power Requirements
48
Field Installed Control Wiring
48
Requirements for Electric Heat Units
49
Requirements for Gas Heat
49
Requirements for Hot Water Heat (SLH_)
49
Requirements for Steam Heat (SSH_)
49
O/A Pressure Sensor and Tubing Installation (All Units with Statitrac or Return Fans)
49
Requirements for Modulating Reheat Dehumidification
50
Condensate Drain Connections
50
O/A Sensor & Tubing Installation
53
Remove Evaporative Condenser Fan Shipping Brackets
54
Evaporative Condenser Make-Up Water and Drain Line Installation
55
Gas Heat Units (SFH_)
57
Flue Assembly Installation
61
Hot Water Heat Units (SLH_)
62
Steam Heat Units (SSH_)
63
Disconnect Switch External Handle
66
Electric Heat Units (SEH_)
68
Main Unit Power Wiring
68
Power Wire Sizing and Protection Device Equations
74
Field Installed Control Wiring
76
Controls Using 24 VAC
76
Controls Using DC Analog Input/Outputs
77
Constant Volume System Controls
77
Variable Air Volume and Constant Volume System Controls
77
Installation Checklist
91
20-130 Ton, Air-Cooled and Evaporative Condensing
91
Unit Start up
93
Cooling Sequence of Operation
93
Modulating Gas Sequence of Operation-Full and Limited Modulating Gas Furnace
103
Wet Heat Sequence of Operation
104
Voltage Supply and Voltage Imbalance
106
Verifying Proper Fan Rotation
113
System Airflow Measurements
114
Exhaust Airflow Measurement (Optional with All Units)
116
Traq Sensor Airflow Measurement (Optional with All Units Equipped with an Economizer)
117
Return Plenum Pressure Control (Units Equipped with Return Fan)
118
Fan Performance Tables
119
Pressure Drop Tables
122
Economizer Damper Adjustment
132
Compressor Start-Up (All Systems)
136
Compressor Operational Sounds
138
Evaporative Condenser Startup
139
Pressure Curves
142
Thermostatic Expansion Valves
152
Charging by Subcooling
153
Low Ambient Dampers
154
Gas Furnace Start-Up (Constant Volume & Variable Air Volume Systems)
156
Two Stage Gas Furnace
156
Full Modulating Gas Furnace
159
Limited Modulating Gas Furnace
161
Final Unit Checkout
163
Startup Checklists
164
20-75 Ton - Air-Cooled
164
24-89 Ton - Evaporative Condenser
166
Maintenance
174
Fan Belt Adjustment
177
Scroll Compressor Replacements
180
VFD Programming Parameters
184
Monthly Maintenance
185
Coil Cleaning
187
Fall Restraint
191
Unit Wiring Diagram Numbers
194
Warranty
197
Commercial Equipment Rated 20 Tons and Larger and Related Accessories
197
Index
198
4
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Trane IntelliPak SXHK Series Specifications
General
Brand
Trane
Model
IntelliPak SXHK Series
Category
Air Conditioner
Language
English
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