Main
Warnings, Cautions and Notices
Warnings, Cautions and Notices.
Important Environmental Concerns!
Responsible Refrigerant Practices!
Refrigerant warning information!
Page
Introduction
Table of Contents
Model Number Description General Information Pre-Installation
Receiving and Handling
Pre-Installation Checklist
Dimensions and Weights
Controls Interface
Pre-Start Start-Up
Wiring Diagrams
Sequence of Operation
Maintenance
Model Number Description
Digits 5, 6, 7 Unit Size Digit 8 Unit Voltage
Digit 9 Insulation Type
Digits 10, 11 Design Sequence
Digit 12 Motor, Drive, and Control Box Location
Model Number Description
Digit 24 Filters
Digit 25 Accessory Section
Digit 26 Control Type
Digit 27 Unit Coil #1 Control Valve
General Information
Blower Coil General Information
General Information
Pre-Installation
Receiving and Handling
Shipping Package
Ship-Separate Accessories
Receiving Checklist
Installation Preparation
Service Access
Rigging and Handling
Improper Unit Lift!
Unit Handling Procedure
Unit Location Recommendations
Skid Removal
Pre-Installation Checklist
Dimensions and Weights
Horizontal Blower Coil
Table 2. Horizontal blower coil dimensions (in.) and weights (lb)
Vertical Blower Coil
Table 3. Vertical blower coil dimensions (in.) and weights (lb)
top view
front view
vertical counter swirl configuration vertical preswirl configuration
Angle Filter and Mixing Box
Table 4. Angle filter and mixing box dimensions (in.) and weights (lb)
Unit size H L W A B Weight
Bottom or Top Access Filter Box
Table 5. Bottom or top access filter box dimensions (in.) and weights (lb)
Electric Heat
Table 6. Electric heat dimensions (in.) and weights (lb)
Unit size H W A B C D E Weight
Steam Coil
Table 7. Steam coil box dimensions (in.) and weights (lb)
Unit size
Coil Connections, NPT H W A B C Weight Supply Return
Coil Connections
Table 8. Hydronic coil connection sizes, OD (in.)
Table 9. DX coil connection sizes, OD (in.)
Table 10. Steam coil connection sizes, female connection, NPT (in.)
Piping Packages
Basic Piping
F
E
A
Page
Page
Installation Controls
Installing Wall Mounted Controls
Wiring Instructions
Zone Sensor Installation
Installation Controls
Communication Wiring
Units with Tracer ZN510 or ZN520 only
Service Communication Wiring
Zone Sensors Without Interconnecting Wiring
Tracer Communications
Tracer Summit Communication Wiring
Installation Electrical
Electrical Grounding Restrictions
Useful Formulas
Table 14. Motor electrical data
Table 14. Motor electrical data (continued)
Installation Mechanical
Installing the Unit
Horizontal Units, Model BCHC
BCHC Installation Procedure
Materials needed:
Vertical Units, Model BCVC
Heating Coil Option
Mixing Box Option
Materials provided:
Materials needed:
Mixing Box Installation Procedure
Condensate Drain Connections
Duct Connections
Installation Piping
Water Coil Connections
Potential coil-freeze condition!
Piping Packages
Refrigerant Coil Piping
Valv e Da mag e!
Suction Line
Line sizing.
Routing.
Insulation.
Field-Installing Evaporator Piping
Steam Piping
General
Steam Coils
Coil Condensate!
Page
Controls Interface
Control Options
Control Interface
Tracer Controllers
Tra ce r Z N0 10
Rover Service S oftware
Controls Inte rface
Table 16. Tracer controller function summary
Device
Tracer Controller ZN010 ZN510 ZN520
Table 17. End Device Option Availability
Pre-Start
Pre-Start Checklist
Receiving
Unit Location
Unit Mounting
Pre-Start Component Overview
Ductwork
Unit Piping
Electrical
Unit Panels
Start-Up
Sequence of Operation
Tracer ZN Controller Sequence of Operation
Controller Start-Up
Power-Up Sequence
Occupied Mode
Unoccupied Mode
Occupied Standby Mode (Tracer ZN510 or ZN520 only)
Occupied Bypass Mode, Tracer ZN510 or ZN520 Only
Tracer Summit With Supply Fan Control, Tracer ZN510 or ZN520 Only
Cooling Operation
Economizer Cooling (Tracer ZN520 Only)
DX Cooling (Tracer ZN520 only)
Discharge Air Tempering (Tracer ZN520 Only)
Heating Operation
Economizer Damper (Tracer ZN520 Only)
Fan Mode Operation WARN ING Rotating Components!
Fan Speed Switch
Off. High or Low.
Tracer ZN010 and ZN510
Off.
Auto (Fan Cycling).
Fan Cycling Operation
Fan Off De lay
Fan Start on High Speed
Fan Operation During Occupied Heating Modes
Two- and Four-Pipe Changeover Operation
Entering Water Temperature Sampling Function
Electric Heat Operation
Economizer Damper (Tracer ZN520 Only)
Tracer Dehumidification (Tracer ZN520 Only)
Data Sharing (Tracer ZN510 or ZN520 Only)
Binary Inputs
BIP1: Low Temperature Detection Option
BIP2: Condensate Overflow Detection Option
BIP3: Occupancy Sensor
BIP4: Fan Status (ZN520 Only)
Analog Inputs
Binary Outputs
Zone Sensor
Space Temperature Measurement
Local Setpoint
Fan Mode Switch
External Setpoint Adjustment
Fan Switch
Page
Maintenance
Maintenance Procedures
Air Filters
Fan Bearings
Fan Motor s
Fan Assembly Set Screws
Fan Belt Tension
Belt tension!
Table 33. BCBH/BCVC valve package waterflow limits
Table 34. BCHC/BCVC coil general data
Unit size 12 18 24 36 54 72 90 Nominal cfm 400 600 800 1200 1800 2400 3000 Hydronic & DX coil data
Hydronic coil data
1-row coil
2-row coil
Table 34. BCHC/BCVC coil general data (continued)
Unit size 12 18 24 36 54 72 90 Nominal cfm 400 600 800 1200 1800 2400 3000
Table 35. Drive data
Motor sheave Fan sheave Belt
Fan rpm range Motor speed Drive letter
Unit size
Motor watts HP Browning Trane Browning Trane Browning Trane
Coil Maintenance
Potential unit damage from coil cleaners!
Inspecting and Cleaning Coils
Steam, Hot Water, and Cooling Coil Cleaning Procedure
Hazardous chemicals!
Potential coil-freeze condition!
Periodic Maintenance Checklists
Monthly Checklist
Rotating parts!
Semi-Annual Maintenance
Page
Diagnostics
Troubleshooting
LED Activity
Red Service LED
Green Status LED
Manual Output Test
Manual Output Test Procedure
Diagnostics
Translating Multiple Diagnostics
Table 39. Tracer ZN010 and ZN510 test sequence for 1-heat/1-cool configurations
Fan
Step
Resetting Diagnostics
Automatic Reset by the Controller
Page
Table 41. Tracer ZN010 and ZN510 controller diagnostics
Diagnostic Latching Fan Valves Electric heat Damper
Table 42. Tracer ZN520 diagnostics
Diagnostic Fan Other outputs
Common Diagnostics
Table 43. Fan outputs do not energize
Probably cause Explanation
Table 44. Valves stay closed
Table 45. Valves stay open
Table 46. Electric heat not operating
Table 47. Fresh air damper stays closed
Table 48. Fresh air damper stays open
Table 49. Valves stay closed
Table 50. DX or electric outputs do not energize
Wiring Diagrams
Two-Pipe BCXC with Tracer ZN510
Page
Four-Pipe BCXC with Tracer ZN510
Two-Pipe BCXC with Tracer ZN520
Page
Page
Page
Page
Four-Pipe BCXC with Control Interface
BCXC with DX Coil and Tracer ZN520
277 volt/1 phase economizer damper condensate overflow wall-mounted zone sensor
BCXC with DX Coil, Hydronic Heating, and Tracer ZN520
460 volt/3 phase economizer damper condensate overflow wall-mounted zone sensor