What is the HC121 Unit Specifications?

Unit Specifications


Nominal Capacity Rating: 12,000 BTUH
Standard Maximum Ambient: 131°F

Model Operating Voltage Range


Inrush Current
(Start Up Current)


Loading Current
(Running Current)


(Short Circuit Current Rating)


Circuit Protection


KVA Rating


Refrigerant Type Refrigerant Amount


Low/High Unit  Pressures






HC121125 108-132 39 14 * 20 Amp Class CC, CCMR Time Delay * 1.7 MO99 38.00 155 / 322 71.6 165/186

* Time-delay Fuses with the following electrical characteristics are recommended.  Fast-acting fuses are not recommended.

% of Ampere Rating Opening Time
110 % 15min Minimum
125 % 1hr Maximum
200 % 12sec Minimum, 4min Maximum

SCCR rating is based on the SCCR rating for the circuit protection device installed in the panel / enclosure per UL50 & UL508a to protect the AC unit. Typically 100KA – 200KA for Time-Delay Fuses.

Model Fan Air Flow (Evaporator Only)
HC121125 556 CFM