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6
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Tr o u b l e s h o o t i n g l
6-35
Checking Heater Solid State Relays
1
Disconnect and lockout the main power supply.
2
Open the electrical enclosure.
3
Locate the regeneration solid state relays.
Refer to the wiring diagrams that
came with your dryer.
4
Turn power on to the machine.
5
Start the dryer.
6
Measure voltage across the high voltage connections using a voltmeter.
When relay is energized, as indicated by the LED (green) voltage should be
read 0 (zero). When relay is de-energized, LED off, full voltage should be
measured across the relay. When relay is off, if voltage reads zero, relay is
bad and needs replaced. Repeat this procedure for each relay.
Regeneration heater
solid state relays
IMPORTANT
: Always refer
to the wiring diagrams that
came with your dryer to
locate specific electrical
components. Illustrations in
the User Guide are intended
to be representative only.
ON
O
O
FF
CAUTION:
Always disconnect and lock out the main power sources before
making electrical connections. Electrical connections should be made only by
qualified personnel.
✐
NOTE:
Measure voltage using a
voltmeter across the two high
voltage connections of each
relay. (Shown here circled in
red.)
Summary of Contents for HTC 120
Page 10: ...viii l Table of Contents ...
Page 30: ...2 14 l Description ...
Page 35: ...Installation General Installation General l 3 5 3 I n s t a l l a t i o n ...
Page 65: ...Installation Hard Piping Kits Installation Piping Hoses l 3 35 3 I n s t a l l a t i o n ...
Page 80: ...3 50 l Installation Piping Hoses ...
Page 88: ...3 58 l Installation Piping Hoses ...
Page 92: ...3 62 l Installation Conveying Lines ...
Page 93: ...Installation Water Lines 3 I n s t a l l a t i o n Installation Water Lines l 3 63 ...
Page 124: ...3 94 l Installation Gas Piping and Exhaust Flue ...
Page 125: ...Installation Testing 3 I n s t a l l a t i o n Installation Testing l 3 95 ...
Page 250: ...4 108 l Operation ...
Page 286: ...5 36 l Maintenance ...