ENVISION SERIES INSTALLATION MANUAL
DIP Switch Settings
DIP SWITCH | DESCRIPTION | OFF POSITION | ON POSITION | ||
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SW1 | N/A | NOT USED | N/A | N/A | |
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| Service/Test Mode - Allows control of “NORM” or “TEST” opera- |
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| 1 | tional modes. Test mode accelerates most timing functions 16 | Test | Norm | |
| times to allow faster troubleshooting. Test mode also allows view- | ||||
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| ing the “CURRENT” status of the fault inputs on the LED display. |
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| Freeze Sensing Setting |
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| 2 | Allows field selection of freeze thermistor fault sensing tempera- | Loop | Well | |
| tures for well water (30°F) or | (Protection 15° F) | (Protection 30° F) | ||
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| Accessory Relay |
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| 3 | Allows field selection of the accessory relay to operate with the | Fan | Comp | |
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| compressor or fan. |
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SW2 | 4 | NOT USED | N/A | N/A | |
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5 | NOT USED | N/A | N/A | ||
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| Input Diagnostics - Allows viewing the inputs from the thermo- | Diagnostic Inputs | Normal Display | |
| 6 | stat to the control board such as Y1, Y2, O, G, W, | |||
| viewed at LEDs | viewed at LEDs | |||
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| LED display. | |||
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| Output Diagnostics - Allows viewing the outputs from the control | Diagnostic | Normal | |
| 7 | board such as the compressor, reversing valve, blower, hot water | Outputs viewed at | Display viewed | |
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| pump, and loop pump on the LED display. | LEDs | at LEDs | |
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| Thermostat Selection | Pulsed “L” | Continuous “L” | |
| 8 | Configures the control for a pulsed lockout signal (ComforTalk and | |||
| signal | signal | |||
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| FaultFlash thermostats) or continuous 5 VAC lockout signal. | |||
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| 1 | Single or Dual Capacity Operation | Dual Cap | 1 Speed | |
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| Zoned/Finish on Second Stage |
| Finish on 2nd | |
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| This switch allows the unit to down stage with the thermostat | Normal - | Unzoned Dual | |
| 2 | when off and finish with second stage when on. Finish on second | Capacity | ||
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| stage reduces stage changing in reciprocating dual capacity | |||
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| compressors. |
| Premier 2 speed | |
SW3 |
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3 | ECM Fan Monitoring - Set for No PRM on split systems | No RPM | RPM | ||
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| 4 | NOT USED | N/A | N/A | |
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| On dual capacity units this switch allows stage change: on the fly |
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| 5 | when off, and 1 minute delay when on. A delay is required on all | Envision | ||
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| reciprocating dual capacity units. |
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