Related Manuals for Emerson PMAC II
Summary of Contents for Emerson PMAC II
- Page 1 Pulse Modulating Anti-Sweat Control (PMAC II) Installation and Operation Manual 026-1501 Rev 6...
- Page 2 Phone 770-425-2724 Fax: 770 425-9319 Please Note: This manual covers the PMAC II (P/N 851-1000) family of anti-sweat panels. Information on the PMAC II Solo (P/N 851-1100) anti-sweat controller is contained in P/N 026-1503, PMAC II Solo Installation and Operation Manual.
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Page 3: Table Of Contents
1.1. F ..................................3 EATURES 2 INSTALLATION ................................4 2.1. L ............................... 4 OCATION AND IRING 2.1.1. PMAC II Field Wiring............................5 2.2. 8DO B PMAC II O ) ..................6 OARD ONFIGURATION TANDARD 2.2.1. Digital Outputs..............................6 2.2.2. Fail-Safe Dip Switch ............................. 6 2.2.3. -
Page 4: Overview
16, 20, or 28 heater channels available. Each channel supports a load of up to 16 amps. The PMAC II relies on a site controller to control anti- Figure 1-1 - PMAC II Detail sweat heater ON percentage based on the in-store dew- point. -
Page 5: Installation
AWG wire, as shown in Figure 2-4. ing connections. 16.75” Mounting Holes 24.0” Figure 2-1 - PMAC II Dimensions for the 16 and 20 Channel Figure 2-3 - Typical Layout Mounting Holes 35.0” Figure 2-2 - PMAC II Dimensions for the 28 Channel Mount the PMAC II panel in a central loca- tion such as a motor or electrical room. -
Page 6: Pmac Ii Field Wiring
Connect the PMAC II panel 8DO board to the existing RMCC or BEC COM A or COM D network, as shown in Figure 2-5, using a... -
Page 7: 8Do Board Configuration (Standard Pmac Ii Only)
The 8DO (Digital Output) Expansion Board, supplied 2.2.1. Digital Outputs with the PMAC II panel, and shown in Figure 2-8, is used to connect refrigeration and environmental control compo- The 8DO Expansion Board uses eight digital outputs, nents, which must be controlled by digital output, to an RS- which modulate at a programmable frequency regulated by 485 I/O Network. - Page 8 Power Connection The PMAC II 8DO board requires 24VAC (center tap ground) from the PMAC II transformer and converts it to 12VDC to drive the PMAC II relays. Network Connection RS-485 Network communication is provided through the network communication connection as shown in Fig- ure 2-8, Table 2-1, and described in the Location and Wir- ing sections of this manual.
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Page 9: Alarm Configuration
Input Board You may wish to connect the digital ALARM output from the PMAC II panel to a digital input on an Emerson 16AI board or other input device, so that the status of the PMAC II can be monitored by the central site controller. -
Page 10: Configuring Rmcc, Bec, Einstein And E2
Configuring RMCC, 4.2.2. Output Definitions BEC, Einstein and E2 A BEC, RMCC, Einstein, or E2 is capable of control- ling eight anti-sweat heater circuits. BECs allow the eight heaters to be controlled in two different zones, RMCCs one zone, and Einstein & E2’s eight zones. Each zone requires From the Main Menu, press ’7 2’... -
Page 11: Setpoints
From the Main Menu, press ’3 1 3 2 1’ to access the sired, a higher value for All OFF may be specified. Dewpoint/Humidity Offsets screen. Percent On During All ON [70 - 100%] [100%] 026-1501 Rev 6 10 • PMAC II I&O Manual... -
Page 12: Anti-Sweat Circuit Setpoints
This section of the manual will show how to create and program The 8DO on the PMAC II panel pulses heaters ON for an Anti-Sweat application. a percentage of a defined time interval. This interval is en- tered in the ON/OFF Interval field. -
Page 13: Adding An Anti-Sweat Application
Home Screen. es and exit the screen. 4.4.2. Configuring Anti-Sweat Applica- tions You now have anti-sweat applications created for each zone to be controlled by the PMAC II. Next, you must con- 026-1501 Rev 6 12 • PMAC II I&O Manual... - Page 14 figure each zone with the necessary control information, 4.4.2.1. Screen 1: General such as the location of the humidity or dewpoint sensor and the setpoints. Einstein 1. From the Home screen, 1. Press press to select 2. Press (Configured Anti-Sweat. Applications), and select 2.
- Page 15 3, 4 1, 2 15, 16 13, 14 11, 12 9, 10 Table 4-1 - 8DO Board Points to PMAC II 16 Channel 8DO Points for 20 Anti-Sweat Channel Channel Circuits 1, 2 Figure 4-6 - Anti-Sweat Inputs Setup Screen...
- Page 16 If you are using this anti-sweat application to control more than one group of anti-sweat channels, highlight the Output field and press (EDIT) followed by (Set Multiple Outputs) to open the Multiple Output Setup screen. Figure 4-8 - Multiple Output Setup Screen 2a.
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Page 17: Replacement Parts List
Heat Sink Assembly w/ Triacs 610-3150 Opto Board (Solo, 16, and 28 537-3051 Channel) Interface Board 537-3069 8DO Board 810-3050 Opto Board 20 Channel 537-3055 Table 5-1 - Replacement Parts and Part Numbers 026-1501 Rev 6 16 • PMAC II I&O Manual... - Page 18 Emerson Climate Technologies Retail Solutions, Inc. and/or its affiliates (collectively “Emerson”), reserves the right to modify the designs or specifications of such products at any time without notice. Emerson does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and maintenance of any product remains solely with the purchaser and end-user.