York YCUL0020, Installation, Operation And Maintenance Manual

Page: 60 / 178

JOHNSON CONTROLS
60
Form 150.63-NM9
Issue date: 5/20/2021
SECTION 5 – TECHNICAL DATA
YCUL0020-YCUL0035 Low sound
YCUL0031-0035 Ultra low sound
035-20964-103 REV C
Notes:
1. Field wiring to be in accordance with the current edition of the National Electrical Code as well as all other applicable codes and speci-
fications.
2. Contacts must be suitable for switching 24 VDC, (gold contacts recommended). Wiring must not be run in the same conduit with any
line voltage (class 1) wiring.
3. To cycle unit ON and OFF automatically with contact shown, install a cycling device in series with the flow switch. See note 2 for con-
tact rating and wiring specifications.
4. To stop unit (emergency stop) with contacts other than those shown, install the stop contact between terminals 5 and 1. If a stop device
is not installed, a jumbeforemust be connected between terminals 5 and 1. Device must have a minimum contact rating of 6A at 115
VAC.
5. Contacts are rated at 115 V, 100 VA, resistive load only, and must be suppressed at load by user.
6. See installation, operation and maintenance manual when optional equipment is used.
7. Optional current readout. 5 V = 200 A.
8. 1MP thru 6MP are contained in their respective compressor junction boxes.
Figure 16 - Control Wiring Diagram, Details, Single Circuit