Hi-Velocity HE-Z Manuel - Page 10

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Wiring and Configuration

JUMPER PIN SETTINGS

H1 EMERGENCY DISCONNECT: REMOVE PIN IF

WIRED TO EMERGENCY DISCONNECT.

H2 TIMER:

AUXILIARY RELAY TIMER (SEE

NOTES).

MODE:

AUTO - FAN SPEED MODULATES

DEPENDING UPON STATIC PRESSURE.

MANUAL - FAN SPEED OPERATES AT TRIM

POTS SET AIR FLOW.

H4 DELAY: Y/20 AND W/30 SECOND FAN DELAY.

Y AND W 30 SECOND POST PURGE.

LED LIGHT INDICATORS

LED 1 - GREEN LIGHT, PUMP TIMER AND

OPERATION MODE INDICATOR.

LED 2 - BLUE LIGHT, PRESSURE SENSOR.

ZONE BOARD SEVEN BUILT-IN TIMERS FOR

SAFE & RELIABLE OPERATION

** DURING SET-UP MOMENTARILY PRESSING

THE RESET BUTTON CLEARS THE BUILT-IN

TIMERS. PRESSING THE RESET BUTTON FOR 7

SECONDS WILL RESET THE CPU.

STARTUP DELAY TIMER -

THE PANEL WILL NOT

ACTIVATE ANY COOLING OR HEATING

OPERATION UNTIL THE STARTUP DELAY HAS

EXPIRED.

MOMENTARILY PRESSING THE

RESET BUTTON CLEARS THE BUILT-IN TIMERS.

THIS OCCURS AFTER ANY INITIAL POWER UP

OR POWER FAILURE. PRESS THE RESET

BUTTON FOR 1 SECOND TO OVERRIDE.

* START-UP DELAY TIMER = 3 MINUTES-FIXED

* SHORT CYCLE TIMER

= 3 MINUTES-FIXED

* CHANGE OVER TIMER = 4 MINUTES-FIXED

* OPPOSING CALL TIMER = 20 MINUTES-FIXED

* STAGING TIMER = OFF OR 7-42 MIN.-ADJ.

* SUPPLY AIR LIMIT TIMER = 3 MINUTES-FIXED

* PURGE DELAY TIMER = 90 SECONDS-FIXED

ZONE CONTROLLER

PRE-WIRED TO 2 ZONES, 3 AND 4 IF APPLICABLE

M6 - 24VAC TO CLOSE DAMPER

M4 - 24VAC TO OPEN DAMPER

M2 - CONSTANT 24 VAC HOT

M1 - COMMON 24 VAC

NOTES:

1) USE THERMOSTAT FAN SWITCH TO DISABLE/ENABLE CONTINUOUS FAN.

2) 'C' TERMINAL ON THERMOSTAT (COMMON) IS NOT NEEDED FOR SOME

THERMOSTATS CONSULT THERMOSTAT INSTRUCTIONS FOR DETAILS.

3) W1 AND W2 ACTIVATES AUXILIARY RELAY (A3) ON CALL AND CAN BE USED

WITH A1 AND/OR A2 AS DRY CONTACTS, ARMED 24VAC FROM THE 'R'

TERMINAL, OR ARMED 110v FROM THE 'L' TERMINAL.

4) AUXILIARY HEATING RELAY TIMER ACTIVATES CIRCUIT FOR 5 MINUTES

EVERY 24 HOURS STARTING WHEN POWER IS APPLIED TO THE UNIT.

5) LED 1: INDICATOR LIGHT FOR FAN SPEED OPERATION AND AUXILIARY

RELAY OPERATION. SEE BELOW FOR LIGHT OPERATION SEQUENCE.

6) SEE INSTALLATION MANUAL FOR MORE DETAILED WIRING DIAGRAMS.

FOR SINGLE STAGE COOLING OPERATION USE Y2, OTHERWISE THE FREEZE

STAT WILL BE BYPASSED.

8) FAILURE TO SET PROPER AIR FLOW AND/OR OPERATION OF THE SYSTEM

MAY RESULT IN DAMAGE TO EQUIPMENT.

9) FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE

INSTALLATION COULD CAUSE PERSONAL INJURY AND/OR PROPERTY

DAMAGE.

10) ENSURE THAT THE FILTER IS KEPT CLEAN AT ALL TIMES.

11) MOTOR HAS PERMANENT LUBE BEARINGS AND DOES NOT REQUIRE

OILING.

12) WARRANTY VOID IF FAN COIL UNIT IS USED DURING CONSTRUCTION.

LED 1: (GREEN LIGHT)

PUMP TIMER/OPERATION MODE INDICATOR LIGHT SEQUENCE

PUMP TIMER STATUS

ON: (ACTIVE)

ON: (INACTIVE)

OFF:

2 SECONDS

LED 2: PRESSURE SENSING INDICATOR (BLUE LIGHT)

H3 JUMPER PIN: AUTO OR MANUAL MODE

AUTO MODE: LED 2 WILL SPORADICALLY FLICKER (ON/OFF)

TO SHOW THAT IT IS PROPERLY SENSING PRESSURE IN THE SYSTEM.

* NO LIGHT INDICATES TRIM POT IS ABOVE NORMAL OPERATING RANGE

(COUNTER CLOCKWISE DECREASE).

* SOLID LIGHT INDICATES TRIM POT IS BELOW NORMAL OPERATING

RANGE (CLOCKWISE, INCREASE).

MANUAL MODE: LED 2 WILL BE OFF, ADJUST EACH OF THE AIR FLOWS TO

DESIRED CFM/LPS OUTPUT.

FAN ADJUSTMENT TRIM POTS

INCREASE AIR FLOW

(CLOCKWISE)

ADJUSTING TRIM POTS: ON POWER START UP, ALLOW 45 SECONDS FOR

SYSTEM TO PRESSURIZE BEFORE MAKING ANY CHANGES.

DO NOT ADJUST MORE THAN A ½ TURN AT A TIME, ALLOW 30 SECONDS

BETWEEN ADJUSTMENTS FOR THE PSB TO REACH SET POINT.

REFER AND COMPLETE COMMISSIONING REPORT PRIOR TO NORMAL

OPERATION. FOR FULL DETAILS, REPORT IS AVAILABLE IN THE INSTALLATION

MANUAL OR ONLINE AT WWW.HI-VELOCITY.COM.

FAN OPERATION MODE

NO LIGHT

2 SECONDS

DECREASE AIR FLOW

(COUNTER CLOCKWISE)

Pre-Release 052917