5012886-YIM-B-0517
36
Johnson Controls Unitary Products
1034350-UCL-D-0817
4
Unitary Products Group
Operating Measurements - Air Flow
ELECTRICAL DATA
T1 - T2 ____________________________ Volts
Control Voltage ______________________ Volts
T2 - T3 ____________________________ Volts
T1 - T3 ____________________________ Volts
Fan operates with proper rotation (All VFD equipped units with the optional Manual Bypass must be phased for correct blower
rotation with the Bypass switch set in the LINE position)
ID Fans
Exh. Fans
Cond. Fans
Pressure drop across dry evaporator coil (At maximum design CFM)
1
1. Consult the proper airflow to pressure drop table to obtain the actual airflow at the measured pressure differential.
IWC
External Static Pressure
IWC
Return Static Pressure
IWC
Supply Static Pressure
IWC
Supply Air CFM Using Dry Coil Chart
CFM
Final Adjusted Supply Air CFM
2
2. Was a motor pulley adjustment or change required to obtain the correct airflow?
Was it necessary to increase of decrease the airflow to meet the design conditions?
If the motor pulley size was changed, measure the outside diameters of the motor and blower pulleys and record those diameters here;
Blower Motor HP _______________________________FLA________ RPM________
Pulley Pitch Diameter ______________Turns Out________ Final Turns Out________
Blower Pulley Pitch Diameter ________________ Fixed Sheave_________________
CFM
Device
Nameplate
Measured
List All Three Amperages
Supply Fan Motor
1,2
1. VAV units with heat section - simulate heat call to drive VAV boxes and VFD/IGV to maximum design airflow position.
2. VAV units without he a t s e ction - VAV boxe s mus t be s e t to ma ximum de s ign a irflow pos ition.
Notes above apply for 3rd party application only.
AMPS
AMPS
Condenser Fan #1
AMPS
AMPS
Condenser Fan #2 (if equipped)
AMPS
AMPS
Condenser Fan #3 (if equipped)
AMPS
AMPS
Condenser Fan #4 (if equipped)
AMPS
AMPS
Compressor #1
AMPS
AMPS
Compressor #2 (if equipped)
AMPS
AMPS
Compressor #3 (if equipped)
AMPS
AMPS
Compressor #4 (if equipped)
AMPS
AMPS
