Johnson Controls
4
ForM Et115.24-noM5 (908)
HL SERIES FEATURES
PREFACE
ENVIRO-TEC
®
fan coils represent a prudent investment
which can, with proper installation, operation, and
regular maintenance, give trouble-free operation and
long service.
Your equipment is initially protected under the
manufacturer’s standard warranty; however, this
warranty is provided under the condition that the steps
outlined in this manual for initial inspection, proper
installation, regular periodic maintenance, and everyday
operation of the equipment be followed in detail. This
manual should be fully reviewed in advance of any
actual work being done on the equipment. Should
any questions arise, please contact your local Sales
Representative or the factory BEFORE proceeding.
The equipment covered by this manual is available with
a vast variety of options and accessories. Consult the
approved unit submittal, order acknowledgement, and
other manuals for details on the options and accessories
provided with the equipment on each project.
No attempt should be made to handle,
install, or service any unit without
following safe practices regarding
mechanical equipment.
All power must be disconnected before
any installation or service should be at-
tempted. More than one power source
may be supplied to a unit. Power to
remote mounted control devices may
not be supplied through the unit. Never
wear bulky or loose fitting clothing
when working on any mechanical
equipment. Gloves should only be
worn when required for proper pro-
tection from heat or other possible in-
jury. Safety glasses or goggles should
always be worn when drilling, cutting,
or working with chemicals such as
refrigerants or lubricants.
SECTION ONE - RECEIPT & INITIAL INSTALLATION
4
Motor
(not shown)
Right or left hand
coil and drain pan
connections, same
or opposite end
Electric Heat
Controls
(Bottom access)
Coils
Drain Pan
Supply Air
Filter
Access
(not
shown)
Blower
Return Air
Plenum
(Model HLP)
lD13881
