ClimateMaster OA Series Application, Operation And Maintenance Manual
  1. Manuals
  2. Brands
  3. ClimateMaster Manuals
  4. Air Handlers
  5. OA Series
  6. Application, operation and maintenance manual
ClimateMaster OA Series Application, Operation And Maintenance Manual

ClimateMaster OA Series Application, Operation And Maintenance Manual

Doas units
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Application, Operation and Maintenance Manual
OA Series DOAS Units

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the OA Series and is the answer not in the manual?

Questions and answers

Related Manuals for ClimateMaster OA Series

Summary of Contents for ClimateMaster OA Series

  • Page 1 Application, Operation and Maintenance Manual OA Series DOAS Units...
  • Page 3 CAUTION CAUTION - ONLY TRAINED, QUALIFIED PERSONNEL SHOULD INSTALL AND/OR SERVICE CLIMATEMASTER EQUIPMENT. SERIOUS INJURY, DEATH & PROPERTY DAMAGE CAN RESULT FROM IMPROPER INSTALLATION/SERVICE OF THIS EQUIPMENT. HIGH VOLTAGE ELECTRICAL COMPONENTS & REFRIGERANT UNDER PRESSURE ARE PRESENT. LIMITED WARRANTY. The goods manufactured by seller are warranted to be free from all latent defects in material and workmanship which may be disclosed under normal use and service within two years from date of shipment.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS Installation......................5 1.1. Humidity and Temperature Control Package............5 1.2. Sensor Installation.....................5 1.2.1 Wall-Mount Sensor ......................5 1.2.2 Duct-Mount Sensor......................6 1.2.3 Water Temperature Sensor ................... 6 1.3. Auxiliary Air Heating Control Wiring................7 1.3.1 Auxiliary Heating - Dry Contact Closure ................ 7 1.3.2 Auxiliary Heating - Proportional Signal ................

  • Page 7: Installation

    Installation 1.1. Humidity and Temperature Control Package ClimateMaster ’s UNT® controller is designed for precise monitoring and control of air temperature, relative humidity (RH), and optional water temperature within a conditioned environment. This control system, manufactured by Johnson Controls, is easy to install and operate.

  • Page 8: Duct-Mount Sensor

    Do not run sensor wiring adjacent to or in the same conduit as wires carrying more than 24 VAC. 1.2.3 Water Temperature Sensor ClimateMaster dehumidifiers ordered with the pool water heating option are supplied with a water temperature sensor which has been factory-wired and installed on the...

  • Page 9: Auxiliary Air Heating Control Wiring

    1.3. Auxiliary Air Heating Control Wiring Note: You must use the ClimateMaster control system to control or interlock with the room heating system. This prevents wide fluctuations in room air temperature. It also prevents the heater from trying to heat the room while the dehumidifier is running in the cooling mode.

  • Page 10: Auxiliary Pool Water Heating Control Wiring

    “neutral” 24 VAC input and the “negative” signal input. You must follow the instructions included with the valve cut sheet. Observe the proper polarity, or you may damage both the valve and the ClimateMaster controller. See the unit wiring schematic for information on signal wire connection points.

  • Page 11: Mounting The Zone Terminal

    ClimateMaster dehumidifiers with the outdoor air option have a set of dry contacts to interlock with a field-supplied exhaust blower. The contacts close during the occupied mode to energize this blower.
  • Page 12 Figure 1. Connecting the ZT to the Dehumidifier. If you must remove the Zone Terminal from the bracket, insert a large flat-blade screwdriver between the bracket and the bottom of the ZT. While prying upward and outward, gently pull the ZT from its bracket. Figure 2.

  • Page 13: Using And Adjusting The Controller

    Using And Adjusting The Controller 2.1. Overview The standard ClimateMaster microprocessor controller, the Johnson Controls Metasys, is a powerful, flexible controller with many useful features, including: • Display of room air temperature, relative humidity, and pool temperature; • Display of equipment operating status such as dehumidification, cooling, and pool water heating modes;...

  • Page 14: Reading Data And Adjusting Set Points

    The Zone Terminal allows the operator to monitor and adjust the setpoints of the ClimateMaster dehumidifier. The ZT display area, shown in Figure 6 is divided into three sections. Each of the sections has a selector button, which lets the user scroll through each point located in the display item list.
  • Page 15 Occupied Extend (optional) The Occupied Extend feature extends the regular time schedule on dehumidifiers equipped with an outdoor air intake option. The ClimateMaster controller can be programmed for the times the conditioned space will be occupied and will require code amounts of outdoor air. If a pool will be open late (for a meet, for example), the calendar does not need to be reprogrammed.
  • Page 16 The right side of the ZT consists of On/Off status indicators. A "I" in the on/off status area indicates that an item is on. A "0" indicates that the item is off. The items are normally arranged as follows (each ZT may vary slightly): Cooling Stage 1: A "I"...
  • Page 17 The ZT has a time scheduling feature which allows you to program the times the conditioned space will be occupied. This feature controls the optional outdoor air intake on ClimateMaster dehumidifiers so that fresh air will be brought in only when the space is occupied.
  • Page 18 Figure 5. The Zone Terminal Time Scheduling Template. 1. Flip open the small door at the bottom of the ZT. Then, press the mode selector key until the green LED next to time schedule is illuminated. 2. Press display key 1 until the display cursor dot in display area 1 is next to current time.
  • Page 19 you may want to prevent the dehumidifier from bringing in outdoor air. To do this, press the mode selector key until the green LED next to time schedule is illuminated. 1. Place the scheduling template over the face of the ZT. Press display key 1 until the display cursor dot in display area 1 is next to holiday number.
  • Page 20 Time Schedule Current Time Sunday Today’s Date Monday Day Of Week Tuesday Holiday Number Wednesday Temporary Schedule Thursday Friday Saturday Holiday Date Cut Out This Area Begin Occupied Occupied Command End Occupied Begin Warmup Warmup Command End Warmup Begin Shutdown Shutdown Command End Shutdown Figure 6.

  • Page 21: Troubleshooting The Zone Terminal

    2.2.1 Troubleshooting the Zone Terminal Problem Solution Display stays blank after ZT is No power is getting to the ZT. connected to main controller Check field wiring between ZT and controller Display shows only dashes ZT is not communicating with main controller.
  • Page 22 Figure 7. Replacing the Zone Terminal Battery. If the ZT fails its self-diagnostic test, consult the ClimateMaster Service Department at (405) 745-6000...

Table of Contents