FORM 155.32-ICOM2.EN.UL
SECTION 4 - TECHNICAL DATA
ISSUE DATE:1/10/2018
JOHNSON CONTROLS
75
Figure 33 -
In Case of 3 Phase 4-Wire System
NOTES:
1. Every unit must be properly grounded.
2. Connect one of the following absorption chiller-heater interlock if necessary.
a. Operating interlock
• * Chilled/hot water operation interlock, air handling unit interlock
• Gas duct damper full open interlock
b. Cooling water pump interlock
• Cooling water pump operation interlock
c. Normally monitoring interlock
• Seismoscope relay, abnormal room temperature sensor
d. Monitor interlock in combustion
• Suction/exhaust fan interlock, abnormal soot and dust concentration
e. Emergency failure interlock
• Gas leak detector
3. For contact specifications, see
4. Use a shield wire which is maximum extension 200 m and more than 1.75 mm
2
.
5. Terminals which are not shown in the figures are already connected in the factory.
* Be sure to connect to interlock.
LD27803
DS
HIGH-SENSITIVE
LEAKAGE BREAKER
(OUT OF SCOPE OF SUPPLY)
(SCOPE OF SUPPLY)