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Installation, Operation,
and Maintenance
Power Supply Module PM014
24 Vdc forTrane® inter-module communica-
tion buses
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing
of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and
training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or
serious injury. When working on the equipment, observe all precautions in the literature and on the tags,
stickers, and labels that are attached to the equipment.
April 2020
SAFETY WARNING
BAS-SVX33G-EN
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Table of Contents
Summary of Contents for Trane Technologies PM014 24
- Page 1 Installation, Operation, and Maintenance Power Supply Module PM014 24 Vdc forTrane® inter-module communica- tion buses SAFETY WARNING Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
- Page 2 Introduction Warnings, Cautions, and Notices Safety advisories appear throughout this manual as required. Your personal safety and the proper operation of this machine depend upon the strict observance of these precautions. The three types of advisories are defined as follows: Indicates a potentially hazardous situation which, if not avoided, could result in WARNING death or serious injury.
- Page 3 Introduction Copyright This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in part without written permission. Trane reserves the right to revise this publication at any time, and to make changes to its content without obligation to notify any person of such revision or change.
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Page 4: Table Of Contents
Table of Contents General Information ..........5 Dimensions . -
Page 5: General Information
General Information This section provides the following product information for the power supply module: • Product description • Dimensions • Clearances • Codes and standards compliance • Specifications The PM014 power supply module provides 24 Vdc for Traneinter-module communication (IMC) buses. -
Page 6: Dimensions
General Information Dimensions The following illustration provides specific dimension details. 2.4 in. 2.0 in. 4.0 in. (6.14 cm) (5.0 cm) (10.2 cm) 1.8 in. (4.5 cm) 2.0 in. 2.4 in. (5.0 cm) (6.1 cm) XFMR XFMR 0.6 in. 1.2 in. (1.5 cm) (3.1 cm) 2.4 in.... -
Page 7: Codes And Standards Compliance
General Information Codes and Standards Compliance The power supply module is in conformance with the codes and standards listed in Table Table 1. Codes and standards Listing Description UL recognized under Information Technology Equipment – Safety – UL/C-UL/IEC60950-1 Part 1: General Requirements UL916 Open listing The European Union (EU) Declaration of Conformity is available from... -
Page 8: Specifications
General Information Specifications The power supply module is in conformance with the physical, environmental, and electrical specifications as listed in the following tables. Table 2. PM014 Specifications Enclosure IP20 (NEMA 1) DIN rail DIN 50022, 35 mm x 7.5 mm Environmental Parameters: •... -
Page 9: Pre-Installation
Pre-Installation This section provides the following pre-installation information: • Mounting location • Transformer considerations • Recommended configurations Mounting Location Important: The power supply module must be mounted onto a DIN rail inside an enclosure that meets all local electrical codes. Observe the following: •... -
Page 10: Recommended Configuration
Pre-Installation Recommended Configuration The power supply module can be mounted onto a DIN rail as illustrated in Figure 2. Place DIN rail end stops at each end of the configuration to prevent shifting of modules. Figure 2. Correct horizontal mounting Power supply DIN rail Vent clearance... -
Page 11: Installing The Power Supply Module
Installing the Power Supply Module Installation of the power supply module must be performed by qualified personnel. Work must be in conformance with this document and local codes. Before mounting the power supply module: • Ensure that the DIN rail has been installed in the mounting location. •... -
Page 12: Repositioning Or Removing The Power Supply Module
Installing the Power Supply Module Repositioning or Removing the Power Supply Module Follow these steps to reposition or remove the power supply module: 1. Perform the lockout/tagout procedures for line voltage power to the cabinet. 2. Insert a screwdriver into the DIN rail latch and gently pry upward with the screwdriver to disengage the clip. -
Page 13: Power And Field Wiring
Installing the Power Supply Module Power and Field Wiring After the power supply module has been properly mounted, install input power and field wiring. Use 18 AWG wire as recommended in Table 4. Refer to Figure 5 for wiring connection locations on the power supply module. -
Page 14: Grounding The Power Supply Module
Installing the Power Supply Module Grounding the Power Supply Module Important: To ensure proper operation, the power supply module must be grounded. The preferred grounding location for the power supply module is at the 24 Vac input connection. Figure 6. Grounding the Power Supply Module Lower portion of PM014 XFMR... -
Page 15: Separating The Imc Bus For Large Systems
Installing the Power Supply Module Separating the IMC Bus for Large Systems For large systems with heavier loads than the PM014 can power alone, the IMC bus can be separated into sections that are sized for single power supply modules. Follow the recommended method described below to separate the IMC bus. -
Page 16: Starting Up The Power Supply Module
Installing the Power Supply Module Alternative method for separating the IMC bus Note: This method should be used only when the recommended method is not an option. 1. Perform lockout/tagout procedures for line voltage power to the cabinet. 2. Cut and remove the 24 Vdc wire (innermost wire) from the IMC connection on both the power supply module and the unit control module as shown in Figure Note: Removal of the innermost wire eliminates the power flow. -
Page 17: Operation And Troubleshooting
Operation and Troubleshooting This section describes normal operations and troubleshooting for the power supply module. Operational Features • A status LED indicates the status of the output voltage. When lit, it indicates that the power supply has started properly and that the output voltage is above minimum level. •... - Page 18 Compare to expected value based on request from PM014 specification (see Table 2, p. Figure 10. PM014 24 Vac Output (AC measurement) Note: Do not take the voltage measurements from the setscrew tops of the IMC connectors. This is not a reliable contact.
- Page 20 Trane - by Trane Technologies (NYSE: TT), a global climate innovator - creates comfortable, energy efficient indoor environments for commercial and residential applications. For more information, please visit trane.com or tranetechnologies.com. Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice.
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