Instructions
Head Pressure Control Add-On Kit
Required when a C0830R, C1030R or C1448R is to be
connected to a Remote Condenser coil that is not
equipped with a Head Pressure Control Valve.
Fits two types of central condensers. Rotate the box and move the tubing to align
the fittings to those on the condenser to be used.
Required Tools: Screwdriver; Drill; 5/32" drill bit; Two Adjustable Wrenches; POE Oil
1. Remove cover from metal box.
2. Locate correct position on condenser: Note locations from illustration below.
3. Use metal box as a template, mark the positions of 4 holes to be drilled to mount the box to the
condenser.
4. Drill four .157" (#22 or 5/32" bit) dia. holes. Be SURE that there are no functional components in
line with the holes being drilled.
5. Secure the box to the condenser sheet metal.
Central
Condenser
Examples
G series
condenser
connections
X series condenser
connections
Pre-Charged Lines
from Ice Machine
Metal Box
Pre-Charged Lines
from Ice Machine
17-2985-01 Rev A page 1 of 3
Condenser Coil Connection
The condenser coil may contain refrigerant or nitrogen or it could be empty.
Check at the access valve with a leak detector to confirm the contents. If refrigerant, it will be
R-404A and you can connect the headmaster kit.
If it is not refrigerant, purge it and then evacuate the coil. Then add a small amount of R-404A
before connecting the headmaster kit.
If it is empty, evacuate it, add some R-404A and check for a leak. If no leak is found connect the
headmaster kit.