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PROGRAMMING/SETTING UNITS
PRE-PROGRAMMED REFRIGERANTS and UNITS OF MEASURE
USA AUSTRALIA EUROPE
R-134a R-134a R-134a
R-22 R-22 R-404A
R-404A R-404A R-744 (CO2)
R-407A R-744 (CO2) R-410A
R-410A R-410A R-407c
PSIG, F, Micron kPA, C, Micron Bar, C, Micron
The recommended way to change refrigerants involves making a new list of 5
refrigerants, and change all five of them in the same session. Example: If only R-22
needs to be changed to R-1234yf (and if using USA defaults), program the following
items: R-410A, R-1234yf, R-404A, R-134a and R-407A.
1. At Main Screen [FIG.1] press and hold [MODE] until “PrO” (Program) Screen
[FIG.16] appears. “PrO” will blink.
2. Press and hold [SET] to enter the Refrigerant Selection Screen [FIG.17].
R
APO
Refrigerant Selection Screen
R11 is initial
default
refrigerant
Counter
APO
FIG.16 FIG.17
3. The Initial Refrigerant (blinking in upper right) should be R-11 and Counter (Lower
Right) should start at 000.
4. Use [UP/DOWN ARROWS] to scroll through 93 refrigerants. Press and hold either
arrow to scroll through refrigerants progressively faster. Release to stop scrolling.
Last refrigerant displayed will blink.
There are 2 major options. In each, a blinking symbol represents a choice the user can
make by pressing [SET].
1. PrO (Programming)
a. Change Refrigerants: Change any or all of 5 common refrigerants accessible at
Main Screen.
b. Change Temperature Units: Change °F or °C.
c. Change Pressure Units: Change Psig, kPa, Mpa, bar and KgCm2 pressure units.
d. Change Vacuum Units: Change Microns vs. Hg vacuum units.
2. APO (Set Automatic Power OFF) - Manifolds come factory pre-set to ON.
Pre-Programmed Refrigerants
The following 5 common refrigerants have been programmed for easy access from the
Main Screen using the [REF] key:
PROGRAMMING/SETTING REFRIGERANTS
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