Honeywell Perfect Window ER200 Instruction Manual page 14

ER200 PERFECT WINDOW
LEVEL 5 PLACE RANGE SWITCH IN LOW
POSITION AND OBSERVE
DECREASED AIRFLOW
YES
LEVEL 6
ROTATE FRESH AIR CONTROL TO
MIN POSITION AND OBSERVE
DECREASE IN AIRFLOW.
YES
LEVEL 7
OBSERVE FRESH AIR
CONTROL LED IS ON.
YES
ROTATE FRESH AIR
LEVEL 8
CONTROL KNOB TO
AUTO AND OBSERVE
THAT LED IS OFF.
YES
LEVEL 9
ACTUATE DEHUMIDISTAT AND
OBSERVE INCREASED AIRFLOW.
WITH DEHUMIDISTAT CONNECTED
TO FRESH AIR CONTROL.
SHORT FRESH AIR CONTROL TERMINALS #1
AND #2. OBSERVE INCREASED AIRFLOW.
YES
YES
REPAIR FAULTY WIRING
BETWEEN FRESH AIR
CONTROL AND MASTER
CONTROL MODULE.
ROTATE FRESH AIR CONTROL KNOB TO MIN. PRESS
LEVEL 10
THE SYSTEM TEST BUTTON ON THE VENTILATOR
CABINET AND HOLD DOWN FOR 2 TO 4 SECONDS.
NEON TEST LAMP SHOULD BE ON DURING THIS TIME.
YES
ROTATE FRESH AIR CONTROL KNOB TO AUTO AND TURN
OFF DEHUMIDISTAT AND OTHER REMOTE SWITCHES. WITH
BLOWER OFF, PRESS THE SYSTEM TEST BUTTON ON THE
VENTILATOR CABINET AND HOLD DOWN FOR 2 TO 4
SECONDS. TEST LAMP SHOULD REMAIN OFF.
YES
NORMAL FUNCTION
CONFIRMED.
REPLACE TEMPERATURE
CONTROL MODULE.
Fig. 13. ER200 system check and troubleshooting procedures for Levels 5 through 10.
68-0131—2
™
FRESH AIR VENTILATION SYSTEM
DISCONNECT HI-SPEED OVERRIDE DEVICE FROM TERMINALS #1 AND #2 AT DEVICE
NO
(TIMER, DEHUMIDISTAT, ETC.) AND AT VENTILATOR MASTER CONTROL MODULE.
NO DECREASE BLOWER RUNS
REPLACE MASTER
CONTROL MODULE.
TURN POWER SWITCH AT VENTILATOR TO
OFF. DISCONNECT WIRES AT #5 AND #6
NO
TERMINALS ON THE MASTER CONTROL
MODULE. CHECK RESISTANCE BETWEEN
THE TWO REMOVED WIRES, NOT TO BE
LESS THAN 4K OHMS.
LESS THAN 4K OHMS.
DISCONNECT OTHER END OF
NO
THESE SAME WIRES AT THE FRESH
AIR CONTROL AND CHECK
RESISTANCE BETWEEN THEM.
REPLACE FRESH
AIR CONTROL.
LESS THAN
5K OHMS
CORRECT FAULTY WIRING
BETWEEN FRESH AIR
NO
CONTROL AND MASTER
CONTROL MODULE.
SHORT MASTER CONTROL MODULE
TERMINALS #1 AND #2 TOGETHER.
NO
OBSERVE INCREASED AIRFLOW.
NO
REMOVE SHORT FROM TERMINALS
#1 AND #2 AT DEHUMIDISTAT AND
OBSERVE INCREASED AIRFLOW.
YES
REPLACE FAULTY REPAIR FAULTY WIRING
DEHUMIDISTAT. BETWEEN DEHUMIDISTAT AND
FRESH AIR CONTROL.
ER200A1018 ONLY
TEST LAMP OFF
OR FLASHED ON
AND WENT OUT
CONNECT POWER TO VENTILATOR. CONNECT AN AC VOLTMETER
VOLTAGE
TO MONITOR INPUT VOLTAGE TO THE VENTILATOR WHILE
ACCEPTABLE
DEPRESSING THE SYSTEM TEST BUTTON FOR 2 TO 4 SECONDS.
OBSERVE THAT VOLTAGE DOES NOT DROP BELOW 208 VOLTS.
GREATER
THAN 4K
OHMS.
DISCONNECT ALL WIRES AT FRESH AIR
CONTROL AND PREVENT FROM SHORTING.
CHECK RESISTANCE BETWEEN WIRES
GREATER
REMOVED FROM MASTER CONTROL MODULE
THAN 5K OHMS
TERMINALS #5 AND #6. RESISTANCE SHOULD
BE GREATER THAN 6K OHMS.
REPLACE FRESH
AIR CONTROL.
CORRECT FAULTY WIRING
BETWEEN FRESH AIR CONTROL
AND MASTER CONTROL MODULE.
NO
WITH DEHUMIDISTAT CONNECTED DIRECTLY
YES
TO MASTER CONTROL MODULE.
SHORT HUMIDISTAT TERMINAL #1 AND #2
AND OBSERVE INCREASED AIRFLOW.
YES
REPLACE FAULTY
DEHUMIDISTAT.
NO
VERIFY HEATER AND
MASTER CONTROL MODULE
CONNECTORS ARE
PLUGGED IN PROPERLY
NO FAULT FOUND
DISCONNECT POWER FROM VENTILATOR
AND UNPLUG HEATER USING AN OHM
METER. VERIFY RESISTANCE TO BE
BETWEEN 15 AND 25 OHMS.
YES
PLUG IN HEATER
14
DECREASE OBSERVED
CORRECT SHORTED
WIRING OR DEVICE.
USING AN OHM METER, CHECK
RESISTANCE BETWEEN EACH
OF THE TWO REMOVED WIRES
AND EACH OF THE REMAINING
WIRES AND EACH OF THE
REMAINING WIRES CONNECTING
THE FRESH AIR CONTROL.
RESISTANCE SHOULD BE
GREATER THAN 5K OHMS.
NO
NO
YES
REPLACE FRESH
AIR CONTROL.
REPLACE MASTER
CONTROL MODULE IN
VENTILATOR CABINET.
NO
REPAIR FAULTY WIRING
BETWEEN DEHUMIDISTAT AND
MASTER CONTROL MODULE.
FAULT
CORRECT
FOUND
REPLACE HEATER
NO
CORRECT DEFICIENT WIRING FROM
BREAKER PANEL TO THE VENTILATOR.
HEAVIER WIRE MAY BE REQUIRED.
LOW VOLTAGE
CONFIRMED
M5308A