JOHNSON CONTROLS
45
SECTION 4 - TECHNICAL DATA
FORM 155.35-ICOM2.EN.CE/GB (1018)
DATE: 10/30/2018
4
TABLE 4 -
CONTACT SPECIFICATIONS
CONTACT SPECIFICATION
ABSORPTION CHILLER-HEATER CONTROL PANEL ->
EXTERNAL INPUT TERMINAL
RESISTANCE LOAD
MAX: AC 240 V 2 A
MIN: DC 5 V 1 mA
EXTERNAL OUTPUT TERMINAL -> ABSORPTION CHILLER-
HEATER CONTROL PANEL
DC 24 V 6.7 mA
NOTES
:
• The supply power source is designed as follows:
1. 3-phase,
4-
wire standard for GB.
2. 3-phase, 3-wire for CE.
• Every unit must be properly grounded. Use an
earth leakage breaker.
• Connect an interlock if necessary.
a. Operating interlock
• *Chilled / hot water pump start signal
• Exhaust gas full open interlock
b. Cooling water pump interlock
• *Cooling water pump start signal
c. Normally monitoring interlock
• Seismoscope relay
• Abnormal room temperature sensor
d. Emergency failure interlock
• Exhaust gas leak detector
• For terminal base position and contact specifica-
tion, see
• Use a shield wire which has a maximum exten-
sion of 200 m and is more than 0.8 mm
2
thick.
• Terminals which are not shown in the figures are
already connected in the factory.
* indicates an interlock connection is required.