87
AHRI capacity ratings
The 42D Series fan coil units are certified in compliance
with the Air-Conditioning, Heating and Refrigeration Insti-
tute (AHRI) Industry Standard 440 for room fan coil units.
Approved standard ratings are tabulated below:
AHRI APPROVED STANDARD RATINGS*
*Ratings based on motor at high fan speed, standard air and dry coil
operation, 10°F water temperature rise; entering-air temperatures of
80 F db, 67 F wb; entering-water temperature 45 F.
†With standard 4-row coil.
**Motor type, permanent split capacitor, operating at 115-1-60 voltage.
B
w
w
w
A – 120V Electronically Commutated Motor
(ECM) with Control Option 1
B – 120V ECM with Control Option 2
C – 120V PSC-STD
D – 208/1/60 PSC
E – 230/1/60 PSC
F – 277/1/60 PSC
G – 120V ECM with Control Option 3
H – 208V ECM with Control Option 1
J – 208V ECM with Control Option 2
K – 208V ECM with Control Option 3
L – 230V ECM with Control Option 1
M – 230V ECM with Control Option 2
N – 230V ECM with Control Option 3
P – 277V ECM with Control Option 1
Q – 277V ECM with Control Option 3
R – 277V ECM with Control Option 2
V – 220/1/50 PSC*
Control Option 1 – 3-Discrete Potentiometer
Field Speed Adjustment
Control Option 2 – Variable Flow 0-10 VDC
or 4-20 mA
Control Option 3 – 4-Discrete Potentiometer
Field Speed Adjustment
* Contact Application Engineering for data on the 50 Hz motor.
a42-3995
LEGEND
PSC — Permanent Split Capacitor
* Contact Application Engineering for Data on the 50Hz motor.
UNIT
TYPE
UNIT SIZE†
NOMINAL
CFM
GPM
COOLING CAPACITY
POWER
INPUT (WATTS)**
Total
Heat Btuh
Sensible
Heat Btuh
42DF
06 600 3.7 18,100 13,700 225
08 800 5.0 23,400 17,600 275
10 1000 6.9 33,300 24,000 400
12 1200 8.7 41,800 30,200 450
14 1400 10.0 48,900 34,000 470
Model number nomenclature
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