Trane Modular 20 to 35 Tons Parts List Page 84
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84 PKG-PRC003U-EN
Mechanical Specifications
Electric Heat
Single stage electric heating coils with controls are field installed inside the unit casing at both fan
discharges. An open construction type coil is provided. Power to the electric heater is factory wired
to the unit’s single-point power connection.
Hot Water
The hot water heating assembly includes the coil and filter section and is factory installed on the
unit’s inlet. A three-way modulating valve and actuator (shipped separate for field installation), and
an automatic air vent is factory installed.The coil is aTrane type 5W, constructed of 5/8-inch (16
mm) OD copper tubes arranged in a parallel pattern.The copper tubes are expanded into aluminum
fins positioned continuously across the entire coil width, not exceeding 80 fpf for a standard
capacity coil (one-row) and 108 fpf for a high-capacity (two-row) coil. The coil casing is 16-gage
steel. Coil performance is rated at a maximum working pressure of 200 psig in accordance with ARI
Standard 410. Supply and return water header connections are female tapered NPT.
Steam Heating Coil
The steam heating assembly includes the coil and filter section and is available as a ship-separate
option or factory installed on the unit’s inlet. A two-way modulating valve, actuator, manifold
piping are factory installed. Also, connections are provided for field installing a vacuum breaker.
The coil is aTrane type NS, constructed of one inch OD copper tubes arranged in a parallel pattern.
The copper tubes are expanded into aluminum fins positioned continuously across the entire coil
width, not exceeding 42 fins per foot.The coil casing is steel. Coil performance is rated at a
maximum working pressure of 100 psig in accordance with ARI Standard 410. Supply and return
steam header connections are female tapered NPT. Factory provided controls limit the leaving air
temperature from the heating coils to no more than 105°F at all operating conditions.
Single Stage Electric Heat Interface
A heat control module will be factory installed and wired for customer supplied and powered
electric heat.This module will allow the unit to stage the customer-provided electric heat. Single
stage electric heat control will be accomplished with one dry binary output rated at one amp for
11 5 VAC .
Hydronic Heating Control Interface
A heat control module will be factory installed and wired for customer supplied hydronic heating.
This control will be accomplished with a dry binary output, 0-10 VDC analog control signal.
Time Clock
A factory installed programmable time clock is wired to the unoccupied mode binary input to
provide on/off control.The timer is accessible without opening the control panel door and is a
seven-day type with a maximum of four operations per day. A permanent built-in rechargeable
battery pack is provided.
Entering Air Temperature Protection
A thermostat limit switch is factory mounted on the unit’s entering air side with a capillary tube
serpentine across the coil face. If the temperature falls below 35°F, the fan shuts down and the
waterside economizer and/or hydronic heat valve opens to allow full water flow.The heat output
also energizes.A manual reset is required. Note: this option is standard on all units with a waterside
economizer or hydronic heat.
Non-Fused Disconnect Switch
The unit has a factory mounted non-fused disconnect switch, which is accessible without opening
the control panel door.
- Product Catalog 1
- Introduction 2
- Table of Contents 3
- 6 PKG-PRC003U-EN 6
- Enhanced Serviceability 7
- Standard Features 7
- Standard Control Features 7
- Optional Features 8
- Field Installed Accessories 8
- Features and Benefits 10
- Interoperability with BACnet 10
- LowTorque Variation 11
- Suction Gas Cooled Motor 11
- Application Considerations 12
- Isolation Recommendations 14
- Condenser Water Piping 15
- 16 PKG-PRC003U-EN 16
- Selection Procedure 17
- Unit Selection 18
- Model Number Descriptions 19
- Self-Contained Ship 21
- With Accessory 21
- Model Number 21
- Remote Air-Cooled 21
- Condenser 21
- General Data 22
- Performance Data 25
- Waterside Pressure Drop 28
- Water-Cooled Unit Performance 30
- 25-ton Water-Cooled 32
- 30-ton Water-Cooled 34
- 35-ton Water-Cooled 36
- Air-Cooled Unit Performance 38
- 25-ton Air-Cooled 39
- 32-ton Air-Cooled 40
- Heating Performance 41
- Controls 42
- Analog inputs 43
- Binary inputs 43
- Binary output 43
- Human Interface Panel (HI) 44
- Morning Warmup 45
- Ventilation Override (VOM) 45
- Demand Limiting Binary Input 47
- 48 PKG-PRC003U-EN 48
- Airside Options 49
- Cooling/Airside Economizer 50
- Heating: Electric 50
- Supply Air Tempering 50
- PKG-PRC003U-EN 51 51
- 52 PKG-PRC003U-EN 52
- Zone Sensor Options 53
- CV: BAYSENS108 54
- CV: BAYSENS110 54
- BAYSENS074 55
- BAYSENS073 55
- Electrical Data 56
- Dimensions and Weights 59
- DETAIL A 71
- DETAIL B 71
- MOUNTING BASE 71
- SEE DETAIL A 71
- DETAIL A 75
- DETAIL B 75
- Service Clearances 78
- Mechanical Specifications 79
- 80 PKG-PRC003U-EN 80
- IntelliPak™ Control Options 81
- Comparative Enthalpy Control 82
- Airside Economizer Interface 82
- PKG-PRC003U-EN 83 83
- 84 PKG-PRC003U-EN 84
- PKG-PRC003U-EN 85 85
- 86 PKG-PRC003U-EN 86
- Protective Coating Option 87
- Low Ambient Damper Option 87
- Louvered Coil Guards Option 87
- Agency Listing 87
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