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Unitary Products Group 19
66297-YIM-C-0205
TYPICAL WIRING DIAGRAM LEGEND (See page 18)
TYPICAL WIRING DIAGRAM NOTES (See page 18)
CAUTION - OPEN ALL DISCONNECTS
BEFORE SERVICING THIS UNIT
1. ALL FIELD WIRING TO BE ACCOMPLISHED FOLLOWING CITY,
LOCAL AND/OR NATIONAL CODES IN EFFECT AT TIME OF
INSTALLATION OF THIS UNIT.
2. CAUTION: LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN
SERVICING CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER
AND DANGEROUS OPERATION. IF ANY OF THE WIRE AS
SUPPLIED WITH THIS UNIT MUST BE REMOVED, IT MUST BE
REPLACED WITH TYPE 105˚ C, 600V WIRE OR EQUIVALENT
CLEARLY RENUMBERED FOR IDENTIFICATION. VERIFY PROPER
OPERATION AFTER SERVICING.
3. MOTORS ARE INHERENTLY PROTECTED.
4. UNIT FACTORY WIRED FOR 230 VOLT OPERATION. FOR 208
VOLT OPERATION MOVE '108/PR' WIRE FROM 240V TO 208V
ON TRANSFORMER T1.
5. SEE UNIT NAMEPLATE FOR MAXIMUM FUSE SIZE AND MINIMUM
CIRCUIT AMPACITY.
6. IF OPTIONAL SAFETY SWITCH KIT IS INSTALLED,
WIRE 219/BK IS REM0VED.
7. WIRE 204/BR IS REMOVED WHEN ELECTRIC HEAT
IS INSTALLED.
NOTES:
8. SHUNT CONTACT ALSO USED WITH CRANKCASE HEATER. (OPTIONAL)