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JOHNSON CONTROLS
83
SECTION 4 - TECHNICAL DATA
FORM 155.31-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
4
CONTACT SPECIFICATION
Absorption Chiller Control
Panel - External Output
Terminal
Digital Signal
Max. Open/Close Voltage: AC250 V/DC30 V
Max. Open/Close Current: 2A/1 Point (Resistance Load)
Max. Common Current: 8 A (Resistance Load)
Analog Signal Allowed Resistance Load: 550 Ohm
External - Absorption Chiller
Control Panel
Digital Signal Rating Voltage/Current: DC24 V/7 m A
Additional Information
1. Supply power source to absorption chiller is de-
signed as 3 phase 3 line.
2. If you need information about breaker capa city, see
Table 14 on page 83 46
.
3. If you need information about the contact specifica -
tions, see
Table 14 - Contact Specifications on page
83 .
4. Connect the following absorption chiller interlocks.
If it is marked with an "*", be sure the connection
is made.
a. Operating interlock
* Chilled water pump operation interlock
• Air handling unit interlock
b. Cooling water pump interlock
* Cooling water pump interlock
c. Normally monitoring interlock
• Seismoscope relay
• Abnormal room temperature sensor
TABLE 14 -
CONTACT SPECIFICATIONS
5. For terminal base position information, see
Figure 34 on page 900.
6. Use a shield wire which has a maximum exten-
sion of 650 feet and more than 0.0027 inch.
7. Terminals that are not shown in the figures
have already been connected in the factory.