Dexter Laundry T-50X2 Guide

8533-099-001 5/20
Service and Parts Data
Industrial OPL Stack Dryer
50 Pound Reversing Stacked Dryer

Indicates an imminently hazardous situation, which if
not avoided, will result in death or serious injury.
Indicates a potentially hazardous situation, which if not
avoided could result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may
also be used to alert against unsafe practices. Minor
burns, pinch points that result in bruises and minor
chemical irritation.
Indicates information or a company policy that relates
directly or indirectly to the safety of personnel or protec-
tion of property.
This is the user caution symbol. It indicates a condition
where damage to the equipment resulting in injury to
the operator could occur if operational procedures are
not followed. TO REDUCE THE RISK OF DAMAGE OR
INJURY, refer to accompanying documents; follow all
steps or procedures as instructed.
This is the electrical hazard symbol. It indicates that
there are DANGEROUS HIGH VOLTAGES PRESENT inside
the enclosure of this product. TO REDUCE THE RISK OF
FIRE OR ELECTRIC SHOCK, do not attempt to open the
enclosure or gain access to areas where you are not
instructed to do so. REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL ONLY
Caution! There are sharp edges on various sheet metal
parts internal to the enclosure. Use safety consciousness
when placing or moving your hands while working in the
interior of this equipment.
Caution! To reduce the risk of damage to the Water Inlet
Valve, do not supply inlet water with a temperature that
exceeds 70˚ C.
Caution! To reduce the risk of re or explosion, do not
operate this equipment in any hazardous classied
(ATEX) environment.
Equipment Safety Warnings
Symbols and Terminology Used in this Equipment
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Warning! Do not operate equipment if door glass is
damaged in any way.
Warning! Keep clear of rotating parts.
Prohibited! Do not enter this equipment or space.
Prohibited! Do not step or stand on this equipment.
Prohibited! Do not operate without all guards and covers in
place.
Prohibited! Do not operate without all guards and covers in
place.
Prohibited! Do not wash or Dry clothing impregnated with
ammable liquids (petrochemical).
Prohibited! Do not allow children to play in or around
equipment.
Equipment Safety Warnings
Symbols and Terminology Used in this Equipment
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Part # 8533-099-001 5/20

Indicates an imminently hazardous situation,
which if not avoided, will result in death or seri-
ous injury.
Indicates a potentially hazardous situation,
which if not avoided could result in death or
serious injury.
Indicates a potentially hazardous situation
which, if not avoided, may result in minor or
moderate injury. It may also be used to alert
against unsafe practices. Minor burns, pinch
points that result in bruises and minor chemical
irritation.
Indicates information or a company policy that
relates directly or indirectly to the safety of per-
sonnel or protection of property.
This is the user caution symbol. It indicates a
condition where damage to the equipment re-
sulting in injury to the operator could occur if
operational procedures are not followed.
TO REDUCE THE RISK OF DAMAGE OR INJURY,
refer to accompanying documents; follow all
steps or procedures as instructed.
This is the electrical hazard symbol. It indicates
that there are DANGEROUS HIGH VOLTAGES
PRESENT inside the enclosure of this product.
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, do not attempt to open the enclosure or
gain access to areas where you are not instruct-
ed to do so. REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL ONLY
Caution! To reduce the risk of re or explosion,
do not operate this equipment in any hazardous
classied (ATEX) environment.
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• All Dryers must be installed in accordance to
all applicable electrical, plumbing and all other local
codes.
• These installation and operation instructions are
for use by qualied personnel only. To avoid injury
and electrical shock, do not perform any servicing
other than that contained in the installation and op-
eration instructions, unless qualied.
Do not install Equipment in an explosive atmosphere.
•Care must be stressed with all foundation work to
ensure a stable unit installation, eliminating pos-
sibilities of excessive vibration.
•Foundation must be level within 13 mm to ensure
proper washer operation.
Do not operate washer or Dryer if door glass is dam-
aged in any way.
Do not wash or Dry clothing impregnated with am-
mable liquids (petrochemical).
WARNING
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Part # 8533-099-001 5/20

Children should be supervised to
ensure they do not operate or play
in or around equipment.
Keep all panels in place to protect against electrical
shock and injury and add rigidity to washer.
WARNING
This appliance is not intended for use by persons (including
children) with reduced physical, sensory or mental capabilities, or
lack of experience and knowledge, unless they have been given
supervision or instruction concerning use of the appliance by a
person responsible for their safety.
A washer should not be allowed to operate if any of the following occur:
• Excessive high water level.
• Machine is not connected to a properly earthed circuit.
• Door does not remain securely locked during the entire cycle.
• Vibration or shaking from an inadequate mounting or foundation.
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Warning! Do not operate equipment if door glass is
damaged in any way.
Warning! Keep clear of rotating parts.
Prohibited! Do not enter this equipment or space.
Prohibited! Do not step or stand on this equip-
ment.
Prohibited! Do not operate without all guards and
covers in place.
Prohibited! Do not operate without all guards and
covers in place.
Prohibited! Do not wash or Dry clothing impreg-
nated with ammable liquids (petrochemical).
Prohibited! Do not allow children to play in or
around equipment.
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Part # 8533-099-001 5/20

Prohibited! Do not attempt to open, touch, or pro-
ceed before referring to the manual or unless quali-
ed.
Mandatory! Read all supporting documentation be-
fore operating or maintaining equipment.
Mandatory! Disconnect power before servicing
equipment.
Mandatory! Lock out and tag out before servicing
this equipment.
Mandatory! Children should be supervised to ensure
they do not operate equipment.
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9
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Part # 8533-099-001 5/20
Notes

Dry only fabrics washed in water
to avoid the risk of fire, including
spontaneous combustions, do not dry:
• Items containing foam rubber, or any
similarly textured rubber-like materials.
• Any items on which you have used
a cleaning solvent or which contain
ammable liquids or solids, such as
naptha, gasoline, or other oils or waxes.
Table of Contents
Section 1:
Specications ...............................14-17
Section 2:
Installation and Operation
Installation Dimensions .....................20
Installation Clearances ......................20
Make Up Air .....................................21
Electrical Requirements .....................21
Gas Requirements ............................21
Burner Set Up ..................................21
Exhaust Installation ..................... 22-23
Description of Control .................. 24-26
Operating Instructions ......................27
Jumper Conguration .......................28
Factory Program presets ...................28
Temporary Programing................. 29-31
Permanent Programing................. 32-35
Section 3:
Service Procedures
Clothes Door Removal.......................38
Clothes Door Latch Adjustment..........38
Door Switch Removal and Installation.38
Installation of Clothes Door Window and
Gasket.......................................... 38
High Limit Thermostat Locations and
Functions ...................................... 38
Pressure Regulator Adjustment ..........39
Heat Sensor .....................................39
Electronic Control Removal ................39
Membrane Switch Replacement .........39
Temperature Sensor Testing ..............39
Temperature Testing .........................40
Temperature Sensor Removal ............40
Upper Front Panel Removal ...............40
Lower Front Panel Removal ...............40
Final Drive Belt Replacement .............40
Dexter Safety Guidelines
WARNING
For your safety, the information in this manual
must be followed to minimize the risk of re
or explosion or to prevent property damage,
personal injury or loss of life.
IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electrical switch: do not use any
telephone in your building.
• Clear the room, building or area of all occupants.
• Immediately call your gas supplier from a neighbor’s
telephone.
• Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the
re department. Installation and service must be
performed by a qualied installer, service agency or
the gas supplier.
To activate your warranty, be sure to return
your red warranty form to the factory. Please
have serial number and model ready when
calling for assistance.
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Motor Drive Belt Replacement............40
Tumbler Pulley Removal/ Installation ..40
Motor and Blower Assembly Removal
and Installation ...........................41
Air Flow Switch Operation and
Adjustment ......................................42
Ignition Transformer Fuse..................42
Ignition Control Transformer..............42
Electronic Ignition Module .................42
Spark Electrode Assembly Function ....42
Ignition System Function/Sequence....43
Ignition System Checkout..................43
Spark Electrode Assembly Removal ....43
Gas Valve & Manifold Removal...........43
Main Burner Orice Removal..............44
Main Burner Removal ........................44
Recirculation Chamber Inspection ......44
Cylinder Removal..............................44
Adjustment of Cylinder Assembly
4 with Front Panel Removed .......44
Tumbler Through Bolt Access Cover ...44
Bearing Housing Removal..................44
Section 4:
Troubleshooting
Trouble Shooting Fault Codes ............46
Troubleshooting Tips.................... 47-50
Diagram & Schematic................... 52-53
Section 5:
Parts Data 50lb Stack Dryer
Cabinet Group ............................. 56-59
Door Switch & Hinge Plate.................60
OPL Control .....................................62
Burner Housing Group .................64-65
Rear View ...................................66-67
Rear Panel & Cover Group.................68
Bearing Housing Group .....................70
Tumbler Assembly Group ..................71
Control Assembly Group............... 72-73
Schematic & Diagram................... 74 -75
Section 6:
50Hz Models
Rear View ................................... 78-79
Gas Valve Assy. ................................80
Air Flow Switch Assy. ........................81
Section 9:
Maintenance
Regular Required Maintenance...........86
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Notes

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Section 1:
Specications

SPECIFICATIONS
50 lb. Commercial Stack Dryer: T-50x2 Reversing Tumbler
DC50X2NC-11EC2R (60 Hz), DC50X2NC-39AB2R (50 Hz)
Cabinet Height 79 1/4” 2012 mm.
(Assumes minimum leveling leg adjustment)
Cabinet Width 34 1/2” 876 mm.
Overall Depth 56 3/4” 1441 mm.
Floor to Bottom of Door- Bottom Dryer 7” 178 mm.
Floor to Bottom of Door- Top Dryer 46” 1168 mm.
Door Opening 25 5/8” 651 mm.
Dry Wt. Capacity 50 x 2 lbs. 22.7 x 2 kg.
Cylinder Diameter 32 1/2” 826 mm.
Cylinder Depth 33” 838 mm.
Cylinder Volume 15.84 cu. ft. 448 liters
Lint Screen Area 544 sq. in. 3510 sq. cm.
Gas Input (per dryer- 60 hz) 108,000 Btu/hr 31.7 kW
Gas Input (per dryer- 50 hz) 96,500 Btu/hr 28.3 kW
Gas Supply Connection 1/2” 12.7 mm.
Natural Gas Supply (Water Column) 5-8” 127 mm. - 203 mm.
Natural Burner Manifold
(60 hz Water Column) 3.5” 88.9 mm
(50 hz Water Column) 3.5” 88.9 mm
L.P. Supply (Water Column) 11.5 -14” 292 mm. - 356 mm.
L.P. Burner Manifold Pressure
(60 hz Water Column) 11” 279 mm
(50 hz Water Column) 10” 254 mm
Exhaust Size 8” 203 mm.
Make-up Air 1.5 sq. ft. 1394 sq. cm.
Example: 1.5 sq. ft = 1 ft. long X 1.5 ft. wide
Motor Size 3/4 H.P. .560 kW
Airow (60 Hz) 650 CFM 18.4 m^3/min
Airow (50 hz) 510 CFM 14.4 m^3/min
Electrical Specications – 208-240/60/1
Voltage/Hz/Phase 208-240VAC/60Hz/1Phase
Running Amps 15
Circuit Protection Amps 20
Wire Size 12 gauge
Electrical Service 2 wire + ground
Electrical Specications – 230/50/1
Voltage/Hz/Phase 230VAC/50Hz/1Phase
Running Amps 15
Circuit Protection Amps 20
Wire Size 3.5 mm2
Electrical Service 2 wire + ground
Shipping Weight 917 lbs. 416 kg.
Net Weight 857 lbs. 389 kg.
Clearance Behind Machines (min.) 18” 457 mm.
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Notes

19
Section 2:
Installation
& Operation
Part # 8533-099-001 5/20

DRYER INSTALLATION
1. CODE CONFORMITY: All commercial dryer installations must conform with local codes, or in
the absence of local codes, with the latest edition of the National Fuel Gas Code ANSI
Z223.1. Canadian installations must comply with the current Standard CAN/CGA-B149
(.1 or .2) Installation Code for Gas Burning Appliances or Equipment, and local codes if
applicable. Australian installations must meet installation requirements and pipe sizing require-
ments of AS/NZA 5601. The appliance, when installed, must be electrically grounded in
accordance with the latest edition of the National Electric Code, ANSI/NFPA70, or, when installed in
Canada, with Standard CSA C22.1 Canadian Electrical Code Part 1.
2. INSTALLATION CLEARANCES: This unit may be installed at the following alcove clearances:
I. Left Side 0”
II. Right Side 0”
III. Back 18” (457 mm) (Certied for 6” (150 mm) clearance; however, 18” (457 mm) clearance
is necessary behind the motors to allow servicing and maintenance.)
IV. Front 48” (1220 mm) (to allow use of dryer).
V. Top Refer to gure labeled “Vertical Clearance Dimensions”.
AB. Certication allows 0” clearance at the top 4” (100 mm) back from the front.
However, a 1/4” (6 mm) clearance should be allowed in case the dryer needs moving.
C. A 10” (250 mm) clearance is required from top at all other points.
VI. Floor This unit may be installed upon a combustible oor.
Do not obstruct the ow of combustion and ventilation air.
Maintain minimum of 1” (25 mm) clearance between duct and combustible material.
Refer to the label attached to the Belt Guard on the rear of the dryer for other installation information and
start-up instructions.
The sources of all make-up air and room ventilation air movement to all dryers must be located away
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