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24
25
NOTE:
ALL
EXTERNAL
MAINTENANCE
T
O BE PERFORMED BY
A
CER
TIFIED ELECTRICIAN ONL
Y
PROBLEM
PROBABLE CAUSE
SOLUTION
DAMPER MOT
OR NOT
ACTUA
TING,
NO
ACTION
WHEN SHOR
TING
DEHUMIDIST
A
T
TERMINALS
CHECK ELECTRICAL
P
ANEL
- CIRCUIT
BREAKER – FUSE.
CHECK HR
V
RESET
CIRCUIT
BREAKER OR REPLACE FUSE,
OR
YOU MA
Y
BE REQUIRED
T
O CALL
AN
CER
TIFIED ELECTRICIAN.
DOOR INTERLOCK SWITCH
REPLACE DOOR SWITCH.
BLOWER MOT
OR NOT
OPERA
TING
BUT
POWER LIGHT
ON.
UNPLUG 120V
POWER SOURCE,
APPL
Y
120V
DIRECTL
Y
T
O
MOT
OR, IF MOT
OR DOES NOT
RUN, REPLACE CAP
ACIT
OR,
IF
MOT
OR DOES NOT
RUN, REPLACE MOT
OR.
DEHUMIDIST
A
T
(S) NOT
WORKING (INTERNAL
AND/OR
REMOTE
W
ALL
MOUNTED)
DISCONNECT
LEADS
A
T
DEHUMIDIST
A
T
AND SHOR
T
T
OGETHER. IF HR
V
RESPONDS
T
O HIGH SPEED
THEN
REPLACE DEHUMIDIST
A
T.
HR
V
MAKES
AN
ANNOYING NOISE
SUPPL
Y
OR EXHAUST
BLOWER
WHEEL
OUT
OF
ADJUSTMENT
REMOTE MOT
OR
ASSEMBL
Y
AND
TIGHTEN SCREW
ON
MOT
OR SHAFT
.
CHECK SUPPL
Y
/EXHAUST
WHEELS FOR
BALANCE. REPLACE IF NECESSAR
Y
.
ENSURE
THA
T
F
AN
WHEELS
ARE NOT
RUBBING ON F
AN
HOUSING INLET
RING.
NOISE LEVEL
T
OO HIGH
A
T
DISTRIBUTION REGISTERS
WHEN HR
V
ON HIGH SPEED
AIR DUCT
SYSTEM
T
OO SHOR
T
REDESIGN DUCT
SYSTEM OR INST
ALL
SILENCER.
T
OUCH P
AD
CHECK FOR CORRECT
WIRE GAUGE (18) OR
WIRING
T
O HR
V
OR SWITCH
IMPROPER CONNECTION
T
O 24V
TERMINALS
CONFIRM
WIRING
T
O
WIRING DIAGRAM.
CHANGE
T
O CORRECT
WIRE GAUGE.
CHECK
T
OUCH P
AD FOR PROPER CONNECTIONS.
ENSURE
THA
T
CORRECT
SWITCHES
ARE BEING USED.