Bryant 542F User Manual

GROSS COOLING CAPACITIES
UNIT 542F180
Indoor Air
Outdoor Air (F)
85 95 105 115
Cfm BF
Ewb
(F)
Capacity
MBtuh
Compr
kW
Capacity
MBtuh
Compr
kW
Capacity
MBtuh
Compr
kW
Capacity
MBtuh
Compr
kW
Total Sensible Total Sensible Total Sensible Total Sensible
5500 .07
62 176.1 169.7 13.9 167.2 165.4 14.9 158.0 157.9 16.0 148.4 148.4 17.7
67 191.4 142.6 14.6 182.7 139.9 15.6 171.4 130.1 16.6 159.0 130.8 17.7
72 207.1 111.2 15.3 199.8 109.4 16.4 189.3 106.0 17.6 176.9 102.0 18.6
6000 .08
62 180.0 176.8 14.0 171.4 161.9 14.9 162.5 162.5 16.1 152.7 152.7 17.3
67 194.3 148.9 14.6 185.4 146.7 15.6 173.9 143.0 16.6 161.5 137.4 17.7
72 209.7 115.2 15.2 202.3 113.3 16.4 191.6 110.2 17.5 179.0 106.3 18.6
7000 .09
62 186.3 184.6 13.8 178.3 178.3 14.8 169.1 169.1 16.0 158.9 158.9 17.2
67 198.4 158.6 14.3 189.4 156.6 15.4 178.0 153.1 16.4 165.4 147.5 17.5
72 213.3 121.3 15.0 205.9 119.7 16.2 195.2 117.0 17.3 182.6 113.2 18.4
LEGEND
BF — Bypass Factor
Edb — Entering Dry Bulb
Ewb — Entering Wet Bulb
kW — Compressor Power Input
SHC — Sensible Capacity
NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formula may be used:
sensible capacity (Btuh)
t
ldb
=t
edb
−
1.10 x cfm
t
lwb
= Wet-Bulb temperature corresponding to enthalpy of air
leaving indoor coil (h
lwb
)
total capacity (Btuh)
h
lwb
=h
ewb
−
4.5 x cfm
Where: h
ewb
= Enthalpy of air entering indoor coil.
3. The SHC is based on 80 F edb temperature of air entering indoor
coil.
Below 80 F edb, subtract (correction factor x cfm) from SHC.
Above 80 F edb, add (correction factor x cfm) to SHC.
BF
ENTERING AIR DRY-BULB TEMP (F)
79 78 77 76 75
Under 75
Over 85
81 82 83 84 85
Correction Factor
.03 1.06 2.11 3.17 4.33 5.28
use formula
shown below
.10 .98 1.96 2.94 3.92 4.91
.15 .93 1.85 2.78 3.71 4.63
.20 .87 1.74 2.62 3.49 4.36
Interpolation is permissible. Do not extrapolate.
Correction Factor = 1.10 x (1 − BF) x (edb − 80).
INTEGRATED HEATING CAPACITIES
OUTDOOR-
AIR TEMP
(F db at
70% RH)
INTEGRATED
CAPACITY
(MBtuh)*
TOTAL POWER
INPUT (kW)
INTEGRATED
CAPACITY
(MBtuh)*
TOTAL POWER
INPUT (kW)
INTEGRATED
CAPACITY
(MBtuh)*
TOTAL POWER
INPUT (kW)
Indoor-Air Temp (F edb) Indoor-Air Temp (F edb) Indoor-Air Temp (F edb)
55 70 80 55 70 80 55 70 80 55 70 80 55 70 80 55 70 80
Indoor Airflow (cfm) Indoor Airflow (cfm) Indoor Airflow (cfm)
5500 6000 7000
60 218 208 198 18.5 19.6 20.2 221 210 200 18.5 19.5 20.1 230 219 208 19.6 19.6 20.2
50 189 180 171 16.9 17.8 18.3 192 183 174 17.0 17.9 18.4 201 191 181 17.2 18.1 18.6
40 163 155 147 15.5 16.3 16.8 165 157 149 15.8 16.6 17.1 174 166 158 16.1 16.9 17.4
30 121 115 109 14.5 15.3 15.8 122 116 110 14.7 15.5 16.0 129 123 117 15.0 15.8 16.3
20 105 100 95 13.7 14.4 14.8 107 102 97 14.1 14.8 15.2 114 109 104 14.4 15.2 15.7
10 89 85 81 12.7 13.4 13.8 91 87 83 13.3 14.0 14.4 99 94 89 13.8 14.5 14.9
0 69 66 63 11.5 12.1 12.5 70 67 64 11.7 12.3 12.7 80 76 72 12.0 12.6 13.0
−10 51 49 47 10.4 10.9 11.2 53 50 48 10.5 11.1 11.4 61 58 55 10.9 11.5 11.8
−20 44 42 40 9.2 9.7 10.0 46 44 42 9.4 9.9 10.2 54 51 48 9.9 10.4 10.7
LEGEND
ARI — Air Conditioning and Refrigeration Institute
Edb — Entering Dry Bulb
kW — Total Unit Power Input — Includes compressors, outdoor-fan
motors, and indoor-fan motor. Indoor-fan motor heat based
on unit operating at cfm shown and external static pressures
(ESP) of 0.35.
Conversion formula: Btuh = kW x 3413
*Includes effect of defrost and indoor-fan motor heat at ARI conditions.
9

Bryant 542F Specifications

General

Brand	Bryant
Model	542F
Category	Heat Pump
Language	English