Service & Parts Manual (2019, 2020, 2021, 2022)
Table Of Contents
57 PB
ROOM AIR CONDITIONER UNIT PERFORMANCE TEST DATA SHEET
JOB NAME______________________ TECH’S NAME_________________________
DATE___________ MODEL#_______________ SERIAL #______________________
CHECK THE INSTALLATION    ACCEPTABLE  NOT ACCEPTABLE
   YES  NO
IS A CHASIS GASKET INSTALLED?      _____    ____
IS THE FRESH / EXHAUST AIR VENT OPEN?    _____    ____
IS A FRIEDRICH SLEEVE INSTALLED?    _____    ____
IS A FRIEDRICH OUTDOOR GRILLE INSTALLED?  _____    ____
IS MAINTENANCE BEING PERFORMED?    _____    ____
ELECTRICAL
  LINE VOLTAGE (STATIC)        _____ VOLTS
  START UP VOLTAGE          _____ VOLTS
  AMPERAGE DRAW (COOL)        _____ AMPS
  AMPERAGE DRAW (HEAT)        _____ AMPS
COMPRESSOR
 LOCKED ROTOR AMPS  _____ AMPS
  RUNNING AMPERAGE DRAW        _____ AMPS
INDOOR CONDITIONS 
  INDOOR AMBIENT TEMPERATURE      _____ F
  RELATIVE HUMIDITY (RH) INDOOR      _____%
  DISCHARGE AIR TEMPERATURE (INDOOR)(COOL)    _____F
  DISCHARGE AIR TEMPERATURE (INDOOR)(HEAT)    _____F
  RETURN AIR TEMPERATURE (INDOOR)(COOL)    _____F
  RETURN AIR TEMPERATURE (INDOOR) (HEAT)    _____F
OUTDOOR TEMPERATURE
  OUTDOOR AMBIENT TEMPERATURE      _____F
  RH OUTDOOR RELATIVE HUMIDITY      _____%
  DISCHARGE AIR TEMPERATURE (OUTDOOR)(COOL)  _____F
  DISCHARGE AIR TEMPERATURE (OUTDOOR)(HEAT)  _____F
  INTAKE AIR TEMPERATURE (OUTDOOR)(COOL)    _____F
  INTAKE AIR TEMPERATURE (OUTDOOR)(HEAT)    _____F
COOLING OR HEATING AREA
  AREA W______ * L_______ = FEET SQUARED
FOR A GENERAL GUIDE REFER TO SIZING GUIDE TO THE RIGHT
FOR EXACT LOAD CALCULATIONS CONSULT MANUAL J OR M.
COOLING SIZING GUIDE
AREA TO BE 
CONDITIONED
IN SQ. FT.
APPROXIMATE 
COOLING BTU 
REQUIRED 
100 - 150  5000 
150 - 250  6000 
250 - 300  7000 
300 - 350  8000 
350 - 400  9000 
400 - 450  10000 
450 - 550  12000 
550 - 700  14000 
700 - 1000  18000 
1000 - 1200  21000 
1200 - 1400  23000 
1400 - 1500  24000 
1500 - 2000  30000 
2000 - 2500  34000 
Guide based on normal room 
insulation, average number of 
sun exposed windows and two 
person occupancy.
1. If heavily shaded, reduce 
cooling Btus required by 10%
2. If very sunny, increase cool-
ing Btus required by 10%
3. Add 500 Btus per person 
over 2 people
4. Add 4,000 Btus if the area is 
a kitchen
TROUBLESHOOTING
Figure 708 (Test Data Sheet)
Figure 709 (Cooling Sizing Guide)










