Additional Information; Table 14 - Contact Specifications - York YHAU-CW Manual

Double effect steam-fired absorption chiller
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FORM 155.31-ICOM2.EN.UL
ISSUE DATE: 12/21/2018

TABLE 14 - CONTACT SPECIFICATIONS

Absorption Chiller Control
Panel - External Output
Terminal
External - Absorption Chiller
Control Panel

Additional Information

1. Supply power source to absorption chiller is de-
signed as 3 phase 3 line.
2. If you need information about breaker capacity, 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
JOHNSON CONTROLS
Digital Signal
Max. Open/Close Current: 2A/1 Point (Resistance Load)
Analog Signal
Digital Signal
CONTACT SPECIFICATION
Max. Open/Close Voltage: AC250 V/DC30 V
Max. Common Current: 8 A (Resistance Load)
Allowed Resistance Load: 550 Ohm
Rating Voltage/Current: DC24 V/7 m A
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.
SECTION 4 - TECHNICAL DATA
83
4

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