TJERNLUND CPC-3 User Manual

C. CPC-3 Display Message Verification
Record the Actual Pressure
IMPOR
T
ANT
If the Actual Pressure on the top line of the CPC-3 display reads -0.60 or 0.15, continue to Section X-2 and X-4 on
page 11.
If the Actual Pressure on the second from the top line of the CPC-3 display reads -0.10 or 0.10, continue to the sec-
tion entitled X-2 and X-4 on page 11.
If the Actual Pressure of the CPC-3 display reads “Draft Inactive” or some values other
than -0.60 or 0.15 for the
Actual Pressure on the first line for Draft systems, continue to Section E on page 2.
If the Actual Pressure of the CPC-3 display reads “Combustion Air Inactive” or some values other
than -0.10 or
0.10 on the second from the top line for Combustion Air systems, continue to Section D on page 2.
Top Line Reads:
(Disregard if system is for Combustion Air only)
Second from Top Line Reads:
(Disregard if system is for Draft only)
D. Dip Switch Adjustment
Identify the set of Dip Switches which correspond to the application for which this system is set up.
IMPOR
TANT
For Draft applications, the following configurations should be
made to the set of Dip Switches on the left side of the CPC-3.
For Combustion Air applications, the following configurations
should be made to the set of Dip Switches on the right side of
the CPC-3.
After determining the appropriate Dip Switch set in the previous step:
Move the left Dip Switch (#2) down toward the floor.
Move the right Dip Switch (#1) up toward the ceiling.
Operation
Mode
Set
Point
Actual
Pressure
% Speed
Operation
Mode
Set
Point
Actual
Pressure
% Speed
2
Note: The above numbers have no meaning in regards to these steps--
they are merely placeholders. Your numbers do not need to match these.

TJERNLUND CPC-3 Specifications

General

Brand	TJERNLUND
Model	CPC-3
Category	Control Unit
Language	English