SMA/SMH 18/24 INSTALLATION INSTRUCTIONS Heat Controller, Inc.
9
3. Refrigerant Piping Connection
1. Flaring
2. Tightening Connection
.04
A.
B.
A.
B.
Excessive torque can break the are nut. Ensure
the proper torque is adhered to in the chart below.
Hand tighten the are nut and then tighten it
with a spanner and torque wrench as shown.