JOHNSON CONTROLS
24
FORM 160.78-N1
ISSUE DATE: 5/30/2012
SECTION 2 - INSTALLATION
APPLY INSULATION
DO NOT eld insulate until the unit has
been leak tested under the supervision of
the Johnson Controls representative.
Insulation of the type specified for the job, or mini-
mum thickness to prevent sweating of 30°F (-1°C)
surfaces should be furnished (by others) and applied
to the evaporator shell, end sheets, liquid feed line to
flow chamber, compressor suction connection, and
evaporator liquid heads and connections (see Figure
9). The liquid head flange insulation must be remov-
able, to allow head removal for the tube maintenance.
Units are furnished factory anti-sweat insulated on or-
der at additional cost. This includes all low tempera-
ture surfaces except the two (2) cooler liquid heads.
INSTALLATION CHECK – REQUEST FOR
START-UP SERVICE
The services of a Johnson Controls representative will
be furnished to check the installation and supervise the
initial start-up and operation on all chillers installed
within the Continental United States.
After the unit is installed, piped and wired as described
in this Instruction, but before any attempt is made to
start the unit, the Johnson Controls District Office
should be advised so that the start-up service, includ-
ed in the contract price, can be scheduled. Notify the
Johnson Controls office using the Installation Check-
list and Request Form (Form 160.78-CL1).
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