Operation; Buttons; Recent Refrigerants; View Select - Fieldpiece SMAN SM480V Operator's Manual

Operation

Buttons

A beep sounds when a button is pressed A
double beep sounds when a button is pressed
and the function is not possible at that time The
speaker can be muted altogether (page 22)
Press 2 sec to toggle power. Press to toggle backlight.
Scroll through refrigerants or change values.
ENTER: Confirm a changed value or activate an ALARM (page 18).
MENU: Enter the menu (page 22) or exit a mode.
VIEW: Display ODDB, TSH, or T1-T2 (page 15).
AIR: Display SLT/LLT or various return and supply air measurements
from optional psychrometers (page 15).
WIRELESS ON/OFF: Toggle wireless communication ON/OFF. Turn
wireless OFF to increase battery life.
ZERO WEIGHT: Press 2 sec to zero (tare) weight from a wireless
scale (page 26).
TEST TIGHTNESS: Enter tightness test setup (page 20).
ZERO PRESSURE: Press 2 sec to zero the displayed pressures.

Recent Refrigerants ( )

A rolling list of your 10 most recent refrigerants,
indicated by a , is stored above the main list
When you power off your manifold, the current
refrigerant is added automatically to this dynamic
list of 10
14

VIEW Select

Press VIEW to cycle through ODDB (outdoor
dry bulb), TSH (target superheat), and T1-T2
(middle display - bottom display)
ODDB: Live reading of the rear ODDB thermocouple jack. ODDB does
not show if set to manual value (page 27).
TSH: Live target superheat calculated from ODDB and IDWB. Each of
these measurements can be live or manually entered (page 17).
T1-T2: Live simple subtraction of the bottom display (T2) from the
middle display (T1). With SLT and LLT showing, you can check for
a temperature drop across a filter drier. With R and S showing, you
can check the effect of the indoor unit. With TΔT and ΔT showing,
you can see how close the actual ΔT is to the target.

AIR Select

Press AIR to display various calculations
and measurements from Job Link system
psychrometers you've assigned (page 26) The
parameter is briefly shown when pressed, then
shown at the top of the LCD
Press AIR for >1 second to view SLT/LLT
SLT: Live reading of suction line temperature.
LLT: Live reading of liquid line temperature.
R: Live reading from return air psychrometer.
S: Live reading from supply air psychrometer.
TΔT: Live target dry bulb split from psychrometers.
ΔT: Live actual dry bulb split from psychrometers.
15