Hi-Velocity HE-Z Handbuch - Seite 3

Blättern Sie online oder laden Sie pdf Handbuch für Fan Hi-Velocity HE-Z herunter. Hi-Velocity HE-Z 10 Seiten. Zoning fan coil 2 - 4 zones

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Continue: Seven Built-in Timers

timers This occurs after any initial power up or

power failure. Press the Reset button for 1

second to override.

Short Cycle Timer - When all zone demands

are satisfied, the panel will not resume the same

mode of operation for a minimum of 3 minutes.

Changeover Timer - Prevents the system from

rapidly switching between heating and cooling

modes. At the end of a call, a 4 minute timer is

started and the panel will not switch to the

opposing mode until the timer has expired.

Zoning Panel LED's

The 11 function specific LED's that indicate HVAC system operation and zone damper status.

Familiarize yourself with the LED functions and definitions, in order to accurately determine the Zoned

HVAC system status and mode of operation.

The STATUS LED pulses as a steady

STATUS

GREEN

heart beat to indicate proper Micro-

processor system status.

The OAS LED illuminates solid to

OAS

RED

indicate that the Outdoor Temperature

has fallen below the chosen set point.

The OAS LED will blink rapidly to

indicate a shorted or open Outdoor Air

Sensor circuit.

The SAS LED illuminates solid to

SAS

RED

indicate that the Supply Temperature

has exceeded the chosen set point on

either the HIGH TEMP LIMIT or the

LOW TEMP LIMIT. The SAS LED will

blink rapidly to indicate a shorted or

open Supply Air Sensor circuit.

The ZONE 3 LED: Indicates that

ZONE 3

GREEN

damper(s) is energized open, and the

Zone is active.

The ZONE 2 LED: Indicates that

ZONE 2

GREEN

damper(s) is energized open, and the

Zone is active.

The ZONE 1 LED: Indicates that

ZONE 1

GREEN

damper(s) is energized open, and the

Zone is active.

Opposing Call Delay - A 20 minute delay must

expire, or the active zone(s) must satisfy, before

the panel will honor a demand to changeover to

the opposite mode of system operation.

Staging Timer/OAS - The STAGING TIMER

sets the amount of continuous call time in 1st

stage, before second stage heat or cool is

energized. NOTE: The potentiometer also

serves as the Outside Air Changeover Setting.

Purge Delay - The STAGING TIMER sets the

amount of continuous call time in 1st stage,

before second stage heat or cool is energized.

NOTE: The potentiometer also serves as the

Outside Air Changeover Setting

The FAN LED: Indicates a demand for

FAN

GREEN

fan operation, during COOLING,

HEATING, PURGE, or CONTINUOUS

FAN operations.

The Y2 LED: Indicates the 2nd stage of

YELLOW

DX COOLING or DX HEATING is

energized.

The Y1 LED: Indicates the 1ST stage of

YELLOW

DX COOLING or DX HEATING is

energized.

The W1/B LED: Indicates that the 1st

W1/B

RED

stage of HEATING is energized in

Gas/Hydronic mode. The W1/B LED

also

illuminates when

valve is energized in HEAT PUMP

operation.

NOTE: In Heat Pump Operation,

this LED will stay illuminated after the call for

heat is completed.

The W2/E LED: Indicates 2nd or 3rd

W2/E

RED

stage of HEATING is energized in

GAS/HYDRONIC or HEAT PUMP

mode. The W2/E LED also

when

EMERGENCY HEAT is energized

in HEAT PUMP mode.

'B' reversing

illuminates

Pre-Release 052917

052917