PAGE 26 of 61 HO-7-1237 & HO-4-1234 OIL-FIRED HEATERS
© SAMUEL JACKSON, INCORPORATED 2003 ALL RIGHTS RESERVED
TEST SEQUENCE
HO-7-1237 & HO-4-1234 OIL-FIRED HEATERS (OIL ONLY)
(FOR SOFTWARE VERSION 1.0)
STEP
ACTION TAKING PLACE
CONDITION FOR NEXT STEP
0
NONE -- START TEST PROGRAM
PLC BATTERY CONDITION IS
SHOWN – GOOD, LOW!, BAD!
RESET
1
CHECK TIME AND DATE SETTINGS
CHANGE AS REQUIRED
“YES” AND RESET
2
VIEW TIMER LOG
“NO” AND RESET
3
AUTOMATIC SHUTDOWN SETUP
“DISABLE” AND RESET
OR “ENABLE”, SET TIME,
“YES”, AND RESET
4
OBSERVE CONDITION OF INPUTS:
0 LOCAL STOP (
O
)
ON
3 REMOTE STOP (
O
)
ON
13 HI TEMP LIMIT
ON
21 OIL HI PRESSURE
ON
5 AIR FLOW SW
OFF (ON IF FAN IS ON)
10 FAN INTERLOCK
OFF (ON IF FAN IS ON)
14 FLAME
OFF
20 OIL LO PRESSURE
OFF
22 COMB AIR PRESSURE
OFF
23 ATOM AIR PRESSURE
OFF
25 COMB AIR MTR MOL1
OFF
26 FUEL PUMP MTR MOL2
OFF RESET & INPUTS AS SHOWN
OR HOLD RESET 3 SEC
5
CHECK AIR FLOW SWITCH AND
FAN INTERLOCK
RESET
6
TEST FUEL VALVE MOTOR AND
ADJUST LOW FIRE SWITCH AND
LINKAGE
(+) RIGHT:
OPENS VALVE
CENTER
TO HOLD POSITION
(-) LEFT:
CLOSES VALVE
RESET AND AIR FLOW ON
