19
Connecting AK940
Battery Replacement
• Remove the screws (Phillips-head) from the battery cover.
• Replace the old battery with new; 1 (9V) battery.
• Replace battery cover and screws.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
TL
WARNING!
DO NOT apply pressure above 600 p
Doing so may result in injury and will
void the warranty.
TH
VAC
REF
UNITS
MIN MAX
REF
ZERO
PRS TEST
Digital Refrigerant Analyzer
AK940
LOW START PRS
HIGH END PRS
LIQUID SAT
T-HIGH
SUBCOOL
°C
°F
°C
°F
°C
°F
VAPOR SAT
R
P
TIME
Psi
kPa
Bar
MPa
InHg
T-LOW
SUPERHEAT
T
Blue
1/4” 3/8”
Yellow
1/4”
Red
1/4”
A. Low Side Temperature Sensor Clamp
Input Port
B. Low Side Pressure Hose Connection
Port
C. Vacuum Hose Port
D. Vacuum Pump
E. Recovery Unit
F. Condenser Unit
G. Compressor
H. Suction Service Port
I. Low Side Temperature Sensor Clamp
J. Low Side Refrigerant Line
K. High Side Temperature Sensor Clamp
Input Port
L. High Side Pressure Hose Connection
Port
M. Refrigerant Hose Port
N. Refrigerant Tank
O. Discharge Service Port
P. High Side Temperature Sensor Clamp
Q. High Side Refrigerant Line
R. TXV/Expansion Valve
S. Evaporator Coil
