Trane Symbio 800 - Page 134

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134

RT-SVX072A-EN

Figure 108. Dry bulb changeover map

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Main Page

Table of Contents4
Model Number Description7
20 To 75 Tons, Air Cooled7
90 To 130 Tons, Air Cooled10
General Information12
Unit Nameplate12
Compressor Nameplate12
Gas Heat Nameplate12
Unit Description12
Pre-Installation13
Unit Inspection13
Exterior Inspection13
Damage13
Repair13
Storage13
Unit Clearances13
Information14
Factory Warranty Information14
All Unit Installations14
Additional Requirements for Units14
Requiring Disassembly14
Installation Checklist15
General Checklist15
Units)15
Main Electrical Power15
Requirements15
Field Installed Control Wiring15
Requirements for Gas Heat15
Requirements for Hot Water Heat15
(Slh_)15
Requirements for Steam Heat16
Return Fans)16
Requirements for Modulating16
Reheat16
Dimensional Data17
Center of Gravity24
Electrical Entry Details25
Minimum Required Clearance27
Weights28
Installation30
Roof Curb and Ductwork30
Pitch Pocket Location30
Unit Rigging and Placement31
General Installation Requirements32
Rigging the Unit32
O/A Pressure Sensor and Tubing Installation33
Main Electrical Power33
Field Installed Control Wiring33
Electric Heat Units33
Gas Heat (SFH_)33
Hot Water Heat (SLH_)33
Steam Heat (SSH_)33
O/A Pressure Sensor and Tubing33
Modulating Reheat (S_H_)33
Condensate Drain Connections34
Units with Gas Furnace34
Removing Supply and Relief/Return Fan Shipping Channels (Motors >5 Hp)34
Spring Isolators34
Optional DDP Supply Fan Shipping Channel Removal and Isolator Spring35
Adjustment35
Shipping Tie down and Isolator Spring Adjustment35
O/A Sensor and Tubing Installation39
Gas Heat Units (SFH_)40
Connecting the Gas Supply Line to the Furnace Gas Train41
Flue Assembly Installation45
General Coil Piping and Connection45
Recommendations45
Hot Water Heat Units (SLH_)46
Steam Heat Units46
Disconnect Switch with External49
Handle49
Electric Heat Units (SEH_)50
Main Unit Power Wiring51
Electrical Service Sizing53
Set 1: Cooling Only Rooftop Units and Cooling with Gas Heat or Hydronic Heat Rooftop Units53
Set 2: Rooftop Units with Electric54
Heat54
Field Installed Control Wiring58
Controls Using 24 VAC59
Transformer for Expansion Module59
Controls Using DC Analog Input59
Outputs59
Variable Air Volume System60
Controls60
Discharge Temperature Control60
Changeover Contacts60
Remote Zone Sensor60
(Baysens073*)60
(Baysens074*)60
Equipment Stop60
Ventilation Override Mode (VOM)60
Contacts60
Emergency Stop Switch61
Occupied/Unoccupied Contacts61
Wall or Duct Mount Humidity Sensor61
Baysens037*)61
Unit Replacement62
Electrical Connection62
Main Electrical Power63
SEHF Units with 200V or 230V63
Electric Heat63
Field-Installed Control Wiring63
Requirements for Gas Heat63
Requirements for Hot Water Heat63
(Slh*)63
Requirements for Steam Heat63
(Ssh*)63
Space Pressure Sensor and Tubing63
Condensate Drain Connections64
Connections64
Installation of New Units64
Unit Startup68
Sequence of Operation68
Stop/Off/Auto68
Occupancy68
Performance Data69
Supply Fan Performance69
1700 Rpm70
1400 Rpm73
1300 Rpm74
Airflow, CFM74
I I M M P P O O R R T T a a N N T T : : Maximum Static Pressure Leaving the74
Rooftop Is 4.0" H 2 O Positive. the Static74
Pressure Drops from the Supply Fan to the Space Cannot Exceed 4.0" H74
Pressure Drop Tables91
Component Static Pressure94
Drops94
Fan Drive Selections97
Pressure Curves102
Economizer and Relief Air Damper110
Adjustment110
Exhaust Air Dampers110
Outside Air and Return Air Damper110
Operation110
Travel111
Compressor Startup (All Systems)113
Refrigerant Charging114
Heaters115
Sounds115
Electronic Compressor Protection115
Module (CPM)115
Electronic Expansion Valves118
Measuring Superheat119
Charging by Subcooling119
Measuring Subcooling119
Low Ambient Options119
Operation119
Standard Ambient Condenser120
Fans120
Low Ambient Condenser Fans120
Electric, Steam and Hot Water Start120
(Variable Air Volume Systems)120
Electric, Steam and Hot Water Start121
Gas Furnace Startup122
Staged, Modulating, and Ultra122
Modulating122
Two Stage Gas Furnace122
Ultra Modulating Gas Furnace126
Ultra Modulating Burner Setup127
Final Unit Checkout129
Trane Startup Checklist130
Changeover Map133
Service and Maintenance135
Fan Belt Adjustment137
Scroll Compressor Replacement138
Refrigeration System139
CSHD and CSHN Compressors140
Electrical Phasing142
Ton Eflex™ Variable Speed142
Tandem142
Precision Suction Restrictor142
VFD Programming Parameters143
(Supply/Relief)143
Eflex™ Compressor VFD Programming151
Parameters151
Monthly Maintenance152
Filters152
Cooling Season152
Heating Season153
Coil Cleaning154
Refrigerant Coils154
Steam or Hot Water Coils155
Microchannel Condenser Coil Repair and Replacement155
Fall Restraint155
Final Process155
Unit Wiring Diagram Numbers158
Warranty and Liability Clause160
Accessories160

Trane Symbio 800 - Page 134

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