Troubleshooting; Cooling Sizing Guide - Friedrich Kuhl KCM21A30A Service Manual

ROOM AIR CONDITIONER UNIT PERFORMANCE TEST DATA SHEET
JOB NAME______________________ TECH'S NAME_________________________
DATE___________ MODEL#_______________ SERIAL #______________________
CHECK THE INSTALLATION
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)
START UP VOLTAGE
AMPERAGE DRAW (COOL)
AMPERAGE DRAW (HEAT)
COMPRESSOR
LOCKED ROTOR AMPS
RUNNING AMPERAGE DRAW
INDOOR CONDITIONS
INDOOR AMBIENT TEMPERATURE
RELATIVE HUMIDITY (RH) INDOOR
DISCHARGE AIR TEMPERATURE (INDOOR)(COOL)
DISCHARGE AIR TEMPERATURE (INDOOR)(HEAT)
RETURN AIR TEMPERATURE (INDOOR)(COOL)
RETURN AIR TEMPERATURE (INDOOR) (HEAT)
OUTDOOR TEMPERATURE
OUTDOOR AMBIENT TEMPERATURE
RH OUTDOOR RELATIVE HUMIDITY
DISCHARGE AIR TEMPERATURE (OUTDOOR)(COOL)
DISCHARGE AIR TEMPERATURE (OUTDOOR)(HEAT)
INTAKE AIR TEMPERATURE (OUTDOOR)(COOL)
INTAKE AIR TEMPERATURE (OUTDOOR)(HEAT)
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.
43

TROUBLESHOOTING

ACCEPTABLE
Figure 714 (Test Data Sheet)
NOT ACCEPTABLE
YES NO
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_____ VOLTS
_____ VOLTS
_____ AMPS
_____ AMPS
_____ AMPS
_____ AMPS
_____ F
_____%
_____F
_____F
_____F
_____F
_____F
_____%
_____F
_____F
_____F
_____F

Cooling Sizing Guide

AREA TO BE APPROXIMATE
CONDITIONED COOLING BTU
IN SQ. FT. REQUIRED
100 - 150
150 - 250
250 - 300
300 - 350
350 - 400
400 - 450
450 - 550
550 - 700
700 - 1000
1000 - 1200
1200 - 1400
1400 - 1500
1500 - 2000
2000 - 2500
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
Figure 715 (Cooling Sizing Guide)
5000
6000
7000
8000
9000
10000
12000
14000
18000
21000
23000
24000
30000
34000