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Relay Panel
BAY24VRPAC52DA
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
IMPORTANT - This Document is customer property and is to remain with this unit.
These instructions do not cover all variations in systems or provide for every possible contingency to be met in connection with
the installation. Should further information be desired or should particular problems arise which are not covered sufficiently for the
purchaser's purposes, the matter should be referred to your installing dealer or local distributor.
Section 1. Safety
!
L
This information is intended for use by individuals possess-
ing adequate backgrounds of electrical and mechanical
experience. Any attempt to repair a central air conditioning
product may result in personal injury and/or property dam-
age. The manufacturer or seller cannot be responsible for
the interpretation of this information, nor can it assume any
liability in connection with its use.
L
!
LIVE ELECTRICAL COMPONENTS!
During installation, testing, servicing, and troubleshoot-
ing of this product, it may be necessary to work with live
electrical components. Failure to follow all electrical safety
precautions when exposed to live electrical components
could result in death or serious injury.
WARNING
WARNING
Installation Guide
Other Installation Guides may be necessary, based on system configuration.
A list of other system components is shown below.
1
Thermostat
Relay Panel
2
For use with 24V or communicating
indoor unit and 24V
controlled outdoor unit
3
Zone Panel
(optional)
4
Zone Sensor with Display
5
Zone Sensor
(optional)
6
Zone Dampers
* A or T
Table of Contents
Section 1. Safety ................................................1
Section 2. General Information .........................2
Section 3. Installation ........................................3
Section 5. Field Wiring Diagrams .....................8
Section 6. LED Indicators ...............................11
Section 7. Troubleshooting .............................12
18-HD68D1-3
(required) *ZONE950AC52ZA
(optional)
(optional)
07/11
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Summary of Contents for Trane BAY24VRPAC52DA
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Page 1: Table Of Contents
Zone Sensor (optional) Zone Dampers (optional) BAY24VRPAC52DA * A or T ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES IMPORTANT — This Document is customer property and is to remain with this unit. These instructions do not cover all variations in systems or provide for every possible contingency to be met in connection with the installation. -
Page 2: Section 2. General Information
Relay Panel Diagrams. *A or T 2.2 Contents in Box The following parts are included in product model BAY24VRPAC52DA: 1 - Relay Panel cover 1 - Relay Panel base 4 - Mounting screws/anchors 4 - Wire ties 1 - Installation Guide 2.3 Optional Accessories... -
Page 3: Section 3. Installation
2.5 System Transformer Sizing Guidelines Indoor Unit Type Comm Comm Furnace Air Handler Furnace Air Handler Minimum Indoor 24V Control Power OD Unit Type Transformer Size, VA* Communicating Heat Pump See Below Communicating Air Conditioner 24Volt-Controlled Single Stage Heat Pump 24Volt-Controlled Single Stage Air Conditioner 24Volt-Controlled 2-Stage Single Compressor Heat Pump 24Volt-Controlled 2-Stage Single Compressor Air Conditioner... - Page 4 Mount Panel DRILL HOLES 1/8” for screws into studs 3/16” for drywall anchors Mounting to studs: Drill 1/8” pilot holes in the four Attach base to wall using four screws provided. Do locations marked above. not overtighten. Mounting to drywall: If mounting to drywall with no studs behind it, en- large pilot holes to 3/16”...
- Page 5 Routing Wires Run wires within the recessed wire “raceway”. Be sure there is ample length to reach the connectors. NORM DUAL Dual Fuel Switch D R B Data Y1 Stg1 Thermostat Y2 Stg2 Route wires into “Raceways” W1 Stg1 W2 Stg2 W3 Stg3 Attaching Wires Bit Master...
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Page 6: Section 4. Terminal Locations & Identification
Section 4. Terminal Locations and Identification Refer to the following diagrams for descriptions of each terminal. Terminal Identification Dual Fuel Switch Thermostat DUAL NORM Dual Fuel Optional Remote Switch Sensors HVAC System Data Y1 Stg1 Thermostat Y2 Stg2 and Indoor Unit W1 Stg1 W2 Stg2 W3 Stg3... - Page 7 For convenience, you may record the color of each wire used in the blanks provided. Thermostat and Indoor Unit Connections NORM DUAL Terminal Name Description Color Used: Dual Fuel Switch D - Data Data R - Hot 24 V hot B - Com 24 V common Data...
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Page 8: Section 5. Field Wiring Diagrams
Section 5. Field Wiring Diagrams DUAL FUEL DUAL FUEL VARIABLE SPEED GAS FURNACE DUAL FUEL NON-VARIABLE SPEED GAS FURNACE TWO STAGE VARIABLE SPEED RELAY RELAY THERMOSTAT ONE OR TWO STAGE GAS FURNACE THERMOSTAT PANEL PANEL HEAT PUMP NON-V.S. ONE COOL/HEAT SINGLE STAGE -2nd STAGE OR TWO STAGE... - Page 9 HEAT PUMP HEAT PUMP WITH VARIABLE SPEED INDOOR HEAT PUMP WITH NON-VARIABLE SPEED INDOOR Non-Communicating Air Handler TWE & 2/4TEE3F RELAY VARIABLE SPEED SINGLE STAGE ONE OR TWO STAGE RELAY THERMOSTAT THERMOSTAT AIR HANDLER AIR HANDLER PANEL HEAT PUMP HEAT PUMP PANEL COOL/HEAT - COOL/HEAT -...
- Page 10 HEAT/COOL COOLING WITH VARIABLE SPEED INDOOR COOLING WITH NON-VARIABLE SPEED INDOOR TWO STAGE VS GAS FURNACE or ONE OR TWO STAGE VS AIR HANDLER RELAY RELAY ONE OR TWO STAGE THERMOSTAT AIR CONDITIONER & ELECTRIC HEAT THERMOSTAT PANEL PANEL GAS FURNACE or AIR HANDLER &...
- Page 11 HEAT/COOL COOLING WITH VARIABLE SPEED OIL FURNACE COOLING WITH NON-VARIABLE SPEED OIL FURNACE VARIABLE ONE OR TWO STAGE SPEED RELAY AIR CONDITIONER RELAY OIL FURNACE THERMOSTAT THERMOSTAT PANEL PANEL SINGLE STAGE OIL FURNACE COOL/HEAT 2nd STAGE 24VAC HOT 24VAC HOT HEATING - SINGLE STAGE 4th STAGE...
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Page 12: Section 6. Led Indicators
The manufacturer has a policy of continuous product and product data improvement 6200 Troup Highway and it reserves the right to change design and specifications without notice. Tyler, TX 75707 © 2011 Trane Representative-only illustrations included in this document. 18-HD68D1-3...