ENVISION RESIDENTIAL INSTALLATION MANUAL

Microprocessor Control (cont.)

DIP Switch Settings

Prior to powering unit, ensure that all DIP switches on SW2 & SW3 are set properly according to the tables below.

FACTORY SETUP DIP SWITCHES (SW3)

DIP

 

 

 

 

 

SWITCH

 

DESCRIPTION

 

OFF POSITION

ON POSITION

NUMBER

 

 

 

 

 

 

 

Dual Capacity/Single-Speed

 

Dual Capacity Opera-

 

SW 3-

 

1

Configures the control for single-speed compressor operation or dual capacity opera-

 

Single-Speed Operation

 

 

tion

 

 

 

tion.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Zoned/Finish on Second Stage

 

 

Finish on 2nd - Unzoned Dual

 

 

 

This switch allows the unit to down stage with the thermostat when off and finish with

 

Normal - All Other

SW 3-

 

2

 

Capacity E Series or Premier

 

 

Systems

 

second stage when on. Finish on second stage reduces stage changing in recipro-

 

 

 

 

 

2 Speed

 

 

 

 

 

 

 

 

cating dual capacity compressors.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No RPM/RPM

 

 

 

SW 3-

 

3

Configures the control to monitor the RPM output of an ECM/ECM2 blower motor.

 

PSC Fan/RPM Moni-

ECM-ECM2 Fan/RPM

 

When using IntelliZone or a PSC fan motor, the control should be configured for “NO

 

toring Disabled

Monitoring Enabled

 

 

 

 

 

 

 

RPM” sensing.

 

 

 

 

 

 

 

 

 

 

 

 

 

Electric heat and ECM2

 

 

 

SW 3-

 

4

Allows backward compatibility with older Premier Series. In the Off position this

 

Old EH & Old ECM

Normal

 

switch allows older electric heat board (17P501A01) and older ECM (square end)

 

 

 

 

 

 

 

 

 

 

compatibility. On is for all newer EH board (17P514A01) and ECM2 (round end).

 

 

 

SW 3-

 

5

On dual capacity units this switch allows stage change: on the fly when off, and 1

 

Envision

E-Series or Premier

 

minute delay when on. A delay is required on all reciprocating dual capacity units.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FIELD SELECTION DIP SWITCHES (SW2)

 

 

 

 

 

 

 

 

DIP

 

 

 

 

 

SWITCH

 

DESCRIPTION

 

OFF POSITION

ON POSITION

NUMBER

 

 

 

 

 

 

 

Service Test Mode

 

 

 

 

 

 

On the control, allows field selection of “NORMAL” or “TEST” operational modes.

 

 

 

SW 2-

 

1

Test mode accelerates most timing functions 16 times to allow faster troubleshooting.

 

Test Mode

Normal Speed Operation

 

 

 

Test mode also allows viewing the “CURRENT” status of the fault inputs on the LED

 

 

 

 

 

 

display.

 

 

 

 

 

 

 

 

 

 

 

 

 

Freeze Sensing Setting

 

Loop Water Freeze

Well Water Freeze Protec-

SW 2-

 

2

Allows field selection of freeze thermistor fault sensing temperatures for well water

 

 

 

Protection 15° F

tion 30° F

 

 

 

(30°F) or antifreeze-protected (15°F) earth loops.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW 2-

 

3

Accessory Relay

 

Acc Relay Tracks Fan

Acc Relay Tracks Compres-

 

Allows field selection of the accessory relay to operate with the compressor or fan.

 

sor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan Speed Control

 

Dehumidification Fan

 

SW 2-

 

4

Allows field selection of reduced fan speed (85% of selected medium and high speed

 

Normal Fan Speeds

 

 

Speeds

 

 

 

– ECM only) for cooling in the dehumidification mode.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW 2-

 

5

Auxiliary Off

 

Disable Heating

Enable Heating

 

Disables 3rd-stage Heating. Full emergency heat would still be available if needed.

 

Stage 3

Stage 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Diagnostics Inputs

 

Diagnostic Inputs

Normal Display Viewed at

SW 2-

 

6

Allows viewing the inputs from the thermostat to the control board such as Y1, Y2, O,

 

 

 

Viewed at LEDs

LEDs

 

 

 

G, W, SL1-In on the LED display.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Diagnostics Outputs

 

Diagnostic Outputs

Normal Display Viewed at

SW 2-

 

7

Allows viewing the outputs from the control board such as compressor, reversing

 

 

 

Viewed at LEDs

LEDs

 

 

 

valve, blower, hot water pump, and loop pump on the LED display.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thermostat Selection

 

 

 

SW 2-

 

8

Configures the control for a pulsed lockout signal (ComforTalk and FaultFlash ther-

 

Pulsed “L” signal

Continuous “L” signal

 

 

 

mostats) or continuous 5 VAC lockout signal.

 

 

 

 

 

 

 

 

 

 

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Envision Peripherals R-410A installation manual DIP Switch Settings, Description OFF Position