Summary of R69180
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Full digital module technical guide factory packaged controls tulsa.
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Table of contents overview ........................................................................................................................................................ 3 installation and wiring .................................................................................................
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Technical guide 3 full digital module overview the full digital module (oe370-23-fd-a) is a device that enables and modulates up to four digital compressors on hvac units controlled by the vcm-x modular controller (oe332-23-vcmx-mod-a) or vcm-x modular e-bus controller (oe332-23e-vcmx-mod-a). The fu...
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Full digital module technical guide 4 environmental requirements the full digital module needs to be installed in an environment which can maintain a temperature range between -30°f and 150°f and not exceed 90% rh levels (non-condensing). Mounting the full digital module is housed in a plastic enclo...
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Technical guide full digital module 5 installation and wiring important wiring considerations please carefully read and apply the following information when wiring the full digital module: 1. The 1 to 5 vdc signals for the copeland compressor speed need to use 18-gauge shielded twisted pair cable, a...
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Full digital module technical guide 6 installation and wiring vcm-x modular e-bus controller to full digital module wiring the full digital module directly connects to the vcm-x modular e- bus controller using a modular hssc cable. The full digital module requires a 24 vac power connection with an a...
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Technical guide full digital module 7 installation and wiring warning: be sure all controllers and modules are powered down before connecting or disconnecting hssc cables. Figure 4, cont.: vcm-x e-bus controller to full digital module wiring diagram line voltage all comm loop wiring is straight thru...
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Full digital module technical guide 8 start up and commissioning general in order to have a trouble free start-up, it is important to follow a few simple procedures. Before applying power for the fi rst time, it is very important to run through a few simple checks. One of the most important checks t...
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Technical guide full digital module 9 modes of operation note: see unit confi gurations chart on page 10 for more information about compressor staging. Digital stage 1 / digital stage 2 on units with two digital scroll compressors, the fi rst compressor (a1) will be designated as digital stage 1 and...
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Full digital module technical guide 10 using leds to verify operation the full digital module is equipped with leds that can be used to verify operation and perform troubleshooting. There are leds for communi- cation, operation modes, and diagnostic codes. The module has seven leds—one used for powe...
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Technical guide full digital module 11 compressor leds “r1” - this led will light up when compressor a1 is enabled and will stay lit as long as compressor a1 is active. “r2” - this led will light up when compressor a2 is enabled and will stay lit as long as compressor a2 is active. “r3” - this led w...
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Full digital module technical guide 12 led diagnostics “pwr” led: when the full digital module is powered up, the pwr led (located below the address switches) should light up and stay on continuously. If it does not light up, check to be sure that the power wir- ing is connected to the board, the co...
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Technical guide full digital module 13 troubleshooting oe275-01 suction pressure transducer testing for r410a refrigerant the evaporator coil temperature is calculated by converting the suc- tion pressure to temperature. The suction pressure is obtained by using the oe275-01 suction pressure transdu...
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Full digital module technical guide 14 connect to e-bus distribution module line voltage 24 vac gnd line voltage all comm loop wiring is straight thru 24vac gnd local loop rs-485 9600 baud see individual component wiring diagrams for detailed wiring of analog inputs and outputs for stand alone appli...
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Technical guide full digital module 15 appendix note: contact factory for the correct hssc cable length for your application. Cables are available in ½ and 3 meter lengths and 100 and 150 foot lengths. Warning: be sure all controllers and modules are powered down before connecting or disconnecting h...
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2425 so. Yukon ave • tulsa, ok 74107-2728 ph: (918) 583-2266 • fax: (918) 583-6094 aaon ® manual part no. R84500 wattmaster manual form no: aa-fdm-tgd-01g www.Aaon.Com.