Viconics HP727S User Manual

Page 4

3. INSTALLATION INSTRUCTIONS

UNPACKING
Examine the package on reception for any signs of external damage it may have received during transit. If damage is found, notify
the carrier immediately. Notify manufacturer or their agent immediately of any deficiencies.

INSTALLATION:
Take care in handling the Printed Circuit Board ( PCB ) so as not to damage or scratch the silicone conformal coating. Damage to
this coating will affect the resistance to moisture and humidity.

Install the board to the front panel using # 6-32 screws. Push ( or remove ) the fast-on connectors at a right angle to prevent bending
the board connectors.

Align and install the lexan cover membrane to the metal door.

4. ELECTRICAL WIRING

CAUTION:
NO HIGH VOLTAGES ARE PRESENT ON THE TERMINALS OF THIS INSTRUMENT ( EXCEPT AT THE FAN RELAYS
TERMINATIONS ) PLEASE READ ALL THE INSTRUCTIONS IN THIS MANUAL CAREFULLY, AND HAVE THE WIRING
DONE BY A SKILLED PROFESSIONAL.

THE INSTRUMENT HAS UNDERGONE RIGOROUS TESTS AND VERIFICATIONS PRIOR TO SHIPMENT TO ENSURE
PROPER AND RELIABLE OPERATION IN THE FIELD. IT IS THE RESPONSIBILITY OF THE USER OR ELECTRICAL
PANEL DESIGNER TO INCORPORATE SAFETY FEATURES ( SUCH AS OVER / UNDER TEMPERATURE CUTOUT
DEVICES ) TO PROTECT THE ENTIRE SYSTEM FROM GENERAL FAILURES.

• All wiring must conform with local or national electrical code regulations.
• See fig. 2 for electrical wiring diagram
• Some wiring to the board is done using 1/4" fast-on connectors.
• The instrument should be wired before applying power !
• Power supply : 0 / 12 / 24 Vac center tap transformer ±10% 50\60 Hz

5 VA required on 12 Vac for controller only

100 VA maximum for 24 Vac power connection

• The instrument front panel needs to be splash proof, and protected against the elements.
• The HP727S electronic controller should be mounted inside the control panel is NOT waterproof. The electrical panel must

therefore be properly protected against rain, dust and excessive water vapor condensation.