Multi F Engineering Manual

DUCT (LOW STATIC) INDOOR UNITS
External Static Pressure
7DEOH Multi F Ceiling-Concealed Duct (Low Static) External Static Pressure Setting Values Table.
Static Pressure (in. wg) 0.0 0.04 0.08 0.12 0.16 0.20
Model No. / Nominal Capacity
of Indoor Unit (Btu/h)
Airflow Rate / CFM Setting Value
LDN097HV4
9,000
High 318 98 103 108 116 123 130
Mid 247 82 88 94 102 110 118
Low 194 69 76 83 91 99 109
LDN127HV4
12,000
High 353 95 99 104 109 116 124
Mid 300 86 91 96 101 108 116
Low 247 78 82 87 93 100 108
LDN187HV4
18,000
High 530 123 125 129 134 141 145
Mid 441 109 112 117 123 129 136
Low 353 95 99 104 109 116 124
• To get the desired air flow and external static pressure combination, use the setting value from the table. Using a setting value other
than that listed in the table will not provide the desired combination.
• Table data is based at 230V. Air flow rate varies according to voltage fluctuation.
DUCT (LOW STATIC) | 79
Ceiling-Concealed Duct (Low Static)
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