FORM 150.60-NM4
YORK INTERNATIONAL
17
FIG. 5 – ELEMENTARY DIAGRAM
LD02078
WIRING DIAGRAMS
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 specifications.
2. Numbers along the right side of the diagram are line identifi-
cation numbers. The numbers at each line indicate the line
number location of relay contacts. An underlined contact loca-
tion signifies a normally closed contact. Numbers adjacent to
circuit lines are the circuit identification numbers.
3. Any customer supplied contacts must be suitable for switch-
ing 24VDC. (Gold contacts recommended). Wiring shall not be
run in the same conduit with any line voltage wiring
4. To cycle unit on and off automatically with contact shown,
install a cycling device in series with the flow switch (FLSW).
See Note 3 for contact rating and wiring specifications.
5. To stop unit (Emergency Stop) with contacts other than those
shown, install the stop contact between 5 and 1. If a stop
device is not installed, a jumper must be connected between
terminals 5 and 1. Device must have a minimum contact rating
of 100VA at 115 volts A.C.
6. Alarm contacts are for annunciating alarm/unit malfunction con-
tacts are rated at 115V, 100VA, resistive load only, and must
be suppressed at load by user.
7. See application guide when optional equipment is used.
8. Control panel to be securely connected to earth ground.
