Trane Tracer User Manual

VAV-SVX07B-EN 51
Calibration, Operation Modes, and Control
Table 6. Local Heat Only With No Fan Present
Configuration Method of Control
Local Remote Stage 1 Stage2 Stage 3
PWM electric
(1 to 3 stages)
Not applicable
• Local PI capacity loop
• Each stage represents an equal percentage of total capacity PWM Output (one stage = 100%; two
stages = 50% each; three stages = 33.33% each)
• Total capacity is limited by communicated supply heat control
SCR electric Not applicable
• Local PI capacity loop
• SCR heat capacity = total
capacity
• Total capacity limited by
communicated supply heat
control
Not applicable Not applicable
On/Off electric
(1 to 3 stages)
Not applicable
Local thermostatic:
•On: Zt < HSP
• Off: Zt  HSP + 0.5 °F (0.28°C)
Local thermostatic:
• On: Zt <HSP - 1°F (0.56°C)
• Off: Zt HSP - 0.5°F (0.28°C)
Local thermostatic:
•On: Zt < HSP - 2°F
• Off: Zt  HSP - 1.5°F (16.9°C)
Each stage represents an equal percentage of total capacity. Total capacity is limited by communicated
supply heat control.
On/Off hot
water
(1 stage)
Not applicable
Local thermostatic:
•On: Zt < HSP
• Off: Zt  HSP + 0.5°F (0.28°C)
Not applicable Not applicable
Total capacity is limited by
communicated supply heat control
Not applicable Not applicable
Modulating hot
water
Not applicable
• Local PI capacity loop
Modulating valve capacity = Total capacity 
Valve drive incrementally open/closed 
Total capacity limited by communicated supply heat control
Not applicable
Table 7. Local Heat Only With Parallel Fan Present
Configuration Method of Control
Local Remote Fan Stage 1 Stage 2 Stage 3
Fan
Not
applicable
Parallel fan Not applicable Not applicable Not applicable
Fan and PWM
electric (1 to 3
stages)
Not
applicable
Parallel fan
• Local PI capacity loop.
• Each stage represents an equal
percentage of total capacity PWM
Output (one stage = 100%; two
stages = 50% each; three stages
= 33.33% each).
• Total capacity is limited by
communicated supply heat
control.
• Local PI capacity loop.
• Each stage represents an equal percent of total capacity
• (1 stage = 100%, 2 stages = 50% each).
•PWM output.
Total capacity is limited by communicated supply heat control.
SCR electric
Not
applicable
•Local PI
capacity
loop
• SCR heat
capacity =
total
capacity
•Total
capacity
limited by
communica
ted supply
heat control
Not applicable Not applicable SCR electric

Trane Tracer Specifications

General

Manufacturer	Trane
Memory	Varies by model
Dimensions	Varies by model
Weight	Varies by model
Model	Tracer
Communication Protocols	BACnet
User Interface	Web-based
Network Compatibility	Ethernet, RS-485
Category	Controller
Input Voltage	24 VAC
Humidity Range	non-condensing