JOHNSON CONTROLS
35
SECTION 3 – HANDLING, STORAGE, INSTALLATION AND REASSEMBLY
FORM 155.31-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
3
TABLE 4 - INSULATING MATERIAL AND THICKNESS
HOT INSULATION COLD INSULATION
MATERIAL Rock wool or glass wool Polyurethane foam, polystyrene foam, or glass wool
THICKNESS 2 inch 2 inch
TABLE 5 - POINTS REQUIRING HOT OR COLD INSULATION
REQUIRES HOT INSULATION REQUIRES COLD INSULATION MUST NOT BE
HEAT-INSULATED
High Temperature Generator Evaporator Shell Sight Glass
Heat Exchanger for Drain Evaporator Water Chamber Case Valve Manipulator
Drain Piping Refrigerant Spray Piping
Heat Exchanger Refrigerant Blow Piping Pressure Gauge
Low Temperature Point Carrying Cold Insulation Label Thermometer Insertion Hole
Point Carrying Hot Insulation Label Valve for vacuuming (factory use
only)
Relay Insertion Hole
HOT INSULATION OR COLD INSULATION
PROCEDURE
1. The recommended materials and their thickness
for hot insulation or cold insulation are shown in
Table 4 on page 35.
2. Use a bonding agent, iron wire, iron band, or other
recommended bonding agents to x the hot insu-
lation or cold insulation materials. Never rivet the
insulation materials. The use of welding pins is
not permitted.
3. Make the outer covering, anged parts, and evap-
orator water chamber casing easily removable to
facilitate servicing.
4. The points that require hot insulation or cold insu-
lation are shown in the table below.
5. The casing of the absorber and condenser water
chamber does not require hot insulation or cold
insulation. If insulation is used, make it easy to
remove.
6. For the high temperature generator, install insu-
lation in a way that makes it easy to remove the
front, sides, and rear separately.
LD19977
COLD
HOT
FIGURE 12 - HOT AND COLD INSULATION
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