Carrier 393C- Manuals

CONTENTS Shipping Damage ...................................................... 1 General ..................................................................... 1 Theory of Operation .................................................. 1 Lead-Lag Change Over Time .................................... 1 ...

Manual 2100-393Page 1 SHIPPING DAMAGE Upon receipt of equipment, the carton should bechecked for external signs of shipping damage. Ifdamage is found, the receiving party must contact thelast carrier immediately, preferably in writing,requesting inspection by the carrier’s agent. GENERAL These instr...

Manual 2100-393Page 3 Second stage cooling set point is 2.0 degrees warmerthan first stage cooling set point. On a call for secondstage cooling, the blower and either economizer orcompressor of the lag unit is energized. The enthalpycontrol on the economizer will make the decision as towhich is ener...