Carrier Aquazone 50PCH PCV 007 Installation, Start-Up And Service Instructions Manual page 52

START
Y1 = ON
NO
YES
POWER/ SWITCHES/SENSOR
STATUS CHECK
V > 18VAC
NO
YES
HPC =
CLOSED
NO
YES
CC OUPUT=
ON
LPC
YES
=CLOSED
START
TIMER
NO
YES
FRZ >TEMP START
LIMIT TIMER
NO
YES
CON > 0
NO
YES
INITIAL
POWER UP
NO
YES
Fig. 39 — UPM Sequence of Operations
RESET ON R
RESET ON
Y
NO
YES
CLEAR FAULTS
BLINK CODE ON STATUS LED
SOFT LOCKOUT
RECORD ALARM
START COUNTER (IF APPLICABLE)
NO
TIME >
120 SEC
YES
NO
TIME > 30
SEC
YES
NO
START
NO
ANTI SHORT CYCLE
START
RANDOM START UP
52
YES
R = 24VAC
NO
COUNTER
NEEDED?
YES
CNT = CNT+1
LOCKOUT CAN BE SET
COUNT = 2
TO 4 VIA DIP SWITCH
OR
COUNT = 4
NO
YES
NO
BLINK CODE
HARD
ON STATUS LED
LOCKOUT?
YES
BLINK CODE ON STATUS LED
DISPLAY OUTPUT = PULSE
ALR OUTPUT = ON/PULSE
CC OUTPUT = OFF
YES
CC
T > ASC OR
CC OUTPUT = ON
RS SEC
NO