IMPORTANT INFORMATION ......................................................................................................... 4 - 5
PRODUCT DIMENSIONS ................................................................................................................... 7
ACCESSORIES ................................................................................................................................... 8
PCCP101-103 ROOF CURB .......................................................................................................................................... 9
PCP101-103 DOWNFLOW PLENUM ............................................................................................................................ 9
PCE101-103 ECONOMIZER ......................................................................................................................................... 10
PRODUCT DESIGN .......................................................................................................................... 14
ELECTRICAL WIRING ................................................................................................................................................. 15
LINE VOLTAGE WIRING .............................................................................................................................................. 16
SYSTEM OPERATION ...................................................................................................................... 17
COOLING .................................................................................................................................................................... 17
COOLING CYCLE ........................................................................................................................................................ 17
HEATING CYCLE ......................................................................................................................................................... 17
DEFROST CYCLE ....................................................................................................................................................... 18
FAN OPERATION ........................................................................................................................................................ 18
SCHEDULED MAINTENANCE ......................................................................................................... 21
ONCE A MONTH ......................................................................................................................................................... 21
ONCE A YEAR ............................................................................................................................................................. 21
TEST EQUIPMENT ...................................................................................................................................................... 21
SERVICING ....................................................................................................................................... 23
S-1 CHECKING VOLTAGE ........................................................................................................................................... 24
S-2 CHECKING WIRING .............................................................................................................................................. 24
S-3A Thermostat and Wiring ..................................................................................................................................... 24
S-3B Cooling Anticipator ........................................................................................................................................... 25
S-3C Heating Anticipator ........................................................................................................................................... 25
S-15 CHECKING CAPACITOR ..................................................................................................................................... 26
S-15A RESISTANCE CHECK ....................................................................................................................................... 27
S-15B CAPACITANCE CHECK ..................................................................................................................................... 28
S-16 CHECKING MOTORS .......................................................................................................................................... 28
S-16D CHECKING EEM MOTORS ............................................................................................................................... 28
S-17A RESISTANCE TEST .......................................................................................................................................... 29
S-17B GROUND TEST ................................................................................................................................................. 30
2
INDEX