JOHNSON CONTROLS
79
SECTION 4 - TECHNICAL DATA
FORM 155.30-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
4
LD20544
Ancillary Equipment Board
(Out of Scope)
Absorption Chiller Control
Panel (Scope of Supply)
Z3 Terminal Block
Z3 Terminal Block
Common
Common
Remote Start-Up (No Voltage)
Pulse Start-Stop)
(Option)
Remote Start-Up
Remote Stop
Remote Start-Up (DC24V Pulse
Start-Stop; Nonpolar)
(Option)
Common
Remote Start-Up
Remote Stop
LD20544
FIGURE 34 -
REMOTE TRANSMISSION SIGNAL
NOTES:
1. Supply power source to absorption chiller is de-
signed as 3 phase 3 wire as a standard.
2. See
for information on the
breaker capacity.
3. Connect to an absorption chiller interlock if nec-
essary. * indicates a connection is required.
a. operating interlock
• *chilled water pump operation inter-
lock
• air handling unit interlock
b. cooling water pump interlock
• *cooling water pump interlock
c. Normally monitoring interlock
• seismoscope relay
• abnormal room temperature sensor
4. Use a shield wire with a maximum extension of
650 feet and a width of more than 0.0027 inch.
5.
Terminals that are not shown in the figures have
been connected at the factory.
