Optional User Interface Relocation - HELIX VX-050 Installation, Operation & Maintenance Manual

Wall mounted gas boiler

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Table Of Contents

Table of Contents

User interface can be easily relocated outside of the boiler.

Follow instructions TO TURN OFF GAS TO APPLIANCE

found on page 41. Verify all electrical power to boiler is

turned off.

WARNING

Electrical shock hazard. Turn OFF electrical power supply at

service panel.

Remove front jacket panel.

WARNING

Burn hazard. Verify heat exchanger, igniter, and flame

sensor have cooled or use appropriate personal protection

equipment before removing.

Inspect combustion chamber through sight glass.

Verify flame is not present. See figure 11.1 page 42.

Disconnect the two position Molex connector between

main boiler harness and user interface. See figure A.

Use small screwdriver to push in the plastic clip on

bottom of user interface. Pull outward on bottom of

user interface to release it from it base.

Use small flat blade screwdriver to disconnect the two

wire harness from the terminal block located in user

interface base. Disconnect other end of harness at 2

pin connector. Secure unused connector to harness

bundle with wire tie. This harness will not be required

when mounting user interface outside of boiler.

Before installing user interface in new location, route

new two conductor wire through hole in back of user

interface base. Connect the wires to terminal block.

This connection is not polarity sensitive.

Install user interface base in new location using

appropriate field sourced screws.

Install user interface on the base by engaging upper

tabs on rear into user interface base slots. With

downward hinging motion lower the display until user

interface snaps onto the base. Verify two pins on back

of user interface are properly aligned with the holes in

user interface base terminal block as user interface is

installed.

10.

Route other end of new two conductor wire through low

voltage knockout on boiler.

11.

Connect two conductor wire to low voltage terminal

block terminals labeled user interface. This connection

is not polarity sensitive.

12.

Replace front jacket panel.

13.

Apply power and verify proper operation of the display

following instructions in Appendix A - Control Module.

14.

Verify proper boiler operation by following START UP

PROCEDURE located in this manual.