Enertech HP Models, Installation And Operation Manual

Page: 23 / 40

23
HP IOM, Rev. B Enertech Global
Section 7: Controls
CONDITION
GREEN
HP
ORANGE
LP
RED
FS
YELLOW
CO
STATUS
GREEN L TERMINAL
1
NORMAL MODE FLASH
TEST MODE
2
HP FAULT FLASH FLASH
HP LOCKOUT ON FLASH ON
LP FAULT FLASH FLASH
LP LOCKOUT ON FLASH ON
SOURCE COIL FRZ/ WF FAULT (T4/FS)
3
FLASH FLASH
SOURCE COIL FRZ/ WF LOCKOUT (T4/FS)
3
ON FLASH ON
LOAD/ AIR COIL FRZ FAULT (T1)
4,5
FLASH FLASH FLASH
LOAD/ AIR COIL FRZ LOCKOUT (T1)
4,5
ON ON FLASH ON
CO FAULT
5
FLASH FLASH
CO LOCKOUT
5
ON FLASH ON
O/ U VOLTAGE FLASH FLASH FLASH FLASH FLASH ON
T1 FAULTY
5,6
FLASH ON FLASH FLASH
T2 FAULTY
5,6
FLASH ON FLASH FLASH
T3 FAULTY
5,6
FLASH ON FLASH FLASH
T4 FAULTY
5,6
ON FLASH FLASH FLASH
T1 & T4 SWAPPED
7
ON ON FLASH
HOT GAS LINE FAULT > 220F (T2)
8
FLASH FLASH ON FLASH
HOT GAS LINE LOCKOUT > 220F (T2)
8
ON ON ON FLASH ON
JUMPER
FS
A‐FRZ
TEST
O/ V
NOTES:
2. WHEN THE TEST JUMPER IS PULLED, GREEN STATUS LED WILL BE OFF.
5. NOT ALL MODELS HAVE THIS FEATURE.
6. THIS FAULT INDICATES A BAD SENSOR (OPEN, SHORTED, OR DISCONNECTED).
7. THIS CAN ONLY BE CHECKED WHILE IN TEST MODE.
8. HOT GAS LINE IS TOO HOT.
OPEN LOOP MODE‐ 30F SETTING FOR
T4
CLOSED LOOP MODE‐ 15F SETTING FOR T4
LOCKOUT BOARD LED IDENTIFICATION & L TERMINAL STATUS
LOCKOUT BOARD JUMPERS
INSTALLED REMOVED
T1 & T4 MONITORED FOR FLOW‐ 'FS'
TERMINALS IGNORED FS' TERMINALS USED FOR FLOW SWITCH‐ T1
& T4 IGNORED
REV A. 03/25/16
4. THE LOAD/ AIR COIL FREEZE PROTECTION SENSOR IS LOCATED BETWEEN THE TXV AND LOAD/ AIR COIL.
OPERATES IN NORMAL MODE WITH
STANDARD DELAYS OPERATES IN TEST MODE WITH DELAYS
SPED UP
FEATURE IS ACTIVE FEATURE IS INACTIVE
1. THE 'L' TERMINAL CONTROLS A FAULT LED AT THE THERMOSTAT OR DRIVES AN AUXILIARY FAULT RELAY.
3. DEPENDING UPON MODEL, THE SOURCE COIL FRZ/ WATER FLOW FAULT OR LOCKOUT CAN BE AN INTERNAL OR EXTERNAL FLOW
SWITCH (FS), OR A SENSOR (T4) LOCATED BETWEEEN THE TXV AND SOURCE COIL.
Lockout Board LED Identification Table