Maintenance Fundamentals - Standard Light Fixtures - Structural Concepts Harmony HMG2642R.4439 Installation & Operating Manual

MAINTENANCE: STANDARD LIGHT FIXTURES
Note: See Installation section in this manual for:
•
Front panel removal
•
Front toe-kick adjustment
Light Fixtures
Warning! Disconnect power before providing
maintenance and service to unit.
Caution: Lamps have been treated to resist
breakage and must be replaced with similarly
treated lamps.
Note: Warranty will be void if claims arise from
negligence, misuse of goods, extreme
environmental conditions or improper
maintenance. See Overview And Warnings
section in this operating manual.
Light fixtures are located on underside of shelf
assemblies and at the top inside of case.
See illustration at top-right for locations.
Removal of lamp:
•
Rotate lamp (1/4-turn) either direction to
disengage (upper or lower) pins/contacts from
lamp-mounting sockets.
•
Remove bulb by applying even pressure from
back side at the bulb ends and pulling the
remaining contact from sockets.
•
See illustrations at mid and lower-right.
Installation of lamp:
•
Align pins with slot.
•
Insert pins into socket by rotating the bulb 1/4-
turn to secure either the (upper or lower) pin
contacts into the sockets.
•
Rotate remaining bulb contacts (1/4-turn) into
remaining lamp mounting socket contacts.
•
See illustrations at right.
Drain and Expansion Valve Access
•
The drain and expansion valve are both accessi-
ble from the front of the case.
•
Unplug the fans (one plug per side) and remove
the fastener from the access panel in the front
right (or left) corner of the unit.
•
The drain and the expansion valve (TXV) are
directly below the access panel.
Light
Fixtures
Bracket
Retainers
Light Socket
Lamp Pins
Fan Plug
TXV Access
13
Light Fixture
Evaporator
Fan
Panel