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LANG MANUFACTURING COMPANY • 6500 Merrill Creek Parkway, Everett, WA 98203
TOLL FREE: 800.882.6368 • FAX: 425.349.2733 • www.langworld.com
Item No.
Project
Quantity
BakerSeries
®
Roll-In Rack, Single Door Proofer-Retarder Model: LRPR1-Series
CONSTRUCTION FEATURES
• Heavy duty stainless steel exterior with 300 Series stainless steel
interior and aluminized steel top
•Walls, ceiling and door are foam insulated
• Modular wall and ceiling panels, designed for cam-lock on-site
assembly
• Gasket seals provided at all seams and panel joints
• Quick response air-wash humidity/heat system with epoxy coated
coils
• High capacity refrigeration system
• Designed for dual voltage 208 or 240-Volt, single or three phase
power input
• Heavy duty door with removable magnetic door seal and mechanical
closure system
PERFORMANCE FEATURES
• Dual purpose unit provides both dough proofing and retarding
capabilities
• 70-120˚F proofing temperature range
• 34 - 45˚F retarding temperature range
• Very accurate relative humidity control, with 50-95% operating
range
• Same heating elements generate both heat and humidity. [No
submerged elements]
• Large evaporator sized for high humidity levels, to prevent drying
• High capacity refrigeration system for fast temperature pull-down
• All power supply components mounted above door, with unit front
access
• Interior bumpers protect proofer walls from rack damage
• Full width grab bar handle protects door from rack dents
CONTROL PACKAGE
• All controls located within the door, at eye level
• Digital set TEMPERATURE, set HUMIDITY & TIME remaining
displays
• Real time-of-day and automatic proof-start-time setting
• Set temperature touch pads [1˚F increments]
• Set relative humidity touch pads [1% increments]
SHORT/BID SPECIFICATION
Proofer/Retarder shall be a LANG Manufacturing Model LRPR1-
___ [Insert: 40, 50, 60, 70, 80, 90, 100, 110 or 120 depth] 5 to
6.6-kW electric heated, single door roll-in rack unit, with: quick
response air-wash humidity/heat system; high-capacity refrigeration
system; modular panel construction with cam-lock assembly; all
300 Series stainless steel interior, with protective cart bumpers;
heavy duty door with magnetic seal/mechanical closure system
and full width protective bar handle; simple computerized controls,
door mounted at eye level, with accurate digital humidity, time
and temperature readouts; plus all the features listed and options
checked:
STANDARD PRODUCT WARRANTY
One year, parts & labor
Model LRPR1-40 shown
(Rack not included)
Sheet No. LSP-RR8 (rev. 10/03)
Model/ Side-Load End-Load Double Side Load
Depth 28.4”W x 18”D 26”W x 20.4”D 36”W x 28.3”D
LRPR1-40 1 Rack 1 Rack None
LRPR1-50 2 Racks 2 Racks 1 Racks
LRPR1-60 2 Racks 2 Racks 1 Racks
LRPR1-70 3 Racks 3 Racks 1 Racks
LRPR1-80 4 Racks 3 Racks 2 Racks
LRPR1-90 4 Racks 4 Racks 2 Racks
LRPR1-100 5 Racks 4 Racks 2 Racks
LRPR1-110 5 Racks 5 Racks 2 Racks
LRPR1-120 6 Racks 5 Racks 3 Racks
MODEL/RACK CAPACITY GUIDE
®
USC
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LANG MANUFACTURING COMPANY • 6500 Merrill Creek Parkway, Everett, WA 98203
TOLL FREE: 800.882.6368 • FAX: 425.349.2733 • www.langworld.com
© 2003 Lang Manufacturing Company Printed in U.S.A. 10/03-M-12266
Due to continuous improvements, specifications subject to change without notice.
OPTIONS & ACCESSORIES
❏ Pass-through model [Consult Factory]
❏ Remote refrigeration condenser unit [Consult Factory]
❏ Stainless steel floor
INSTALLATION REQUIREMENTS
• Proofer/Retarder shipped as modular panels for on-site assembly
•E Either 208V or 240V, 1 or 3-phase connection
• Condenser Unit requires dedicated circuit
•W 1/2” NPT cold water connection
•D 1/2” PVC vented drain connection
[Connections from rear and top. See below]
Sheet No. LSP-RR8 (rev. 10/03)
[Front View/Elevation] [Right Side View] [Top View/Plan]
BakerSeries
®
Roll-In Rack, Single Door Proofer-Retarder Model: LRPR1-Series
CAD SYMBOLS & PRICING
Model
E Electrical Requirements Clearance from combustible W Water D Drain
Voltage Total kW 1 Phase 3 Phase
(inches from side, back)* Requirements Requirements
LRPR1 (40 - 120)
208VAC/60Hz 5.0 24.0A 13.8A
0
1/2” NPT 1/2” PVC
240VAC/60Hz 6.6 27.5A 15.8A
(1.5GPM @ 40PSI) (210˚F, 1GPM max.)
* Noncombustible floor only.
Retarder
Height Width Depth Weight
Freight
Model
BTU Rate @ 34˚F
Internal External Internal External Internal External Overall Actual Shipping
“A” “B” “C”
Class
LRPR1-40 1229
32.3” 41.1” 49.4” 950 lbs. 1100 lbs.
820mm 1044mm 1255mm 432 kg 500 kg
LRPR1-50
1696
42.4” 51.1” 59.4” 1100 lbs. 1250 lbs.
1077mm 1298mm 1509mm 500 kg 568 kg
LRPR1-60
1850
52.4” 61.1” 69.4” 1225 lbs. 1375 lbs.
1331mm 1552mm 1763mm 557 kg 625 kg
LRPR1-70
2308
64.4” 71.2” 79.5” 1375 lbs. 1525 lbs.
74.1” 91.4” 33.0” 38.7” 1636mm 1808mm 2019mm 625 kg 693 kg 70
LRPR1-80
2763
1882mm 2324mm 838mm 983mm
72.4” 81.2” 89.5” 1500 lbs. 1650 lbs.
1839mm 2062mm 2273mm 682 kg 750 kg
LRPR1-90
2907
82.5” 91.2” 99.5” 1625 lbs. 1775 lbs.
2096mm 2316mm 2527mm 739 kg 807 kg
LRPR1-100
3357
92.5” 101.2” 109.5” 1800 lbs. 1950 lbs.
2350mm 2570mm 2781mm 818 kg 886 kg
LRPR1-110
3497
102.5” 111.3” 119.6” 1925 lbs. 2075 lbs.
2604mm 2827mm 3038mm 875 kg 943 kg
LRPR1-120
3948
112.5” 121.3” 129.6” 2050 lbs. 2200 lbs.
2858mm 3081mm 3292mm 982 kg 1000 kg
38.7"/983mm
74.1"
1882mm
ENTRANCE
HEIGHT
91.4"
2324mm
14.8"/376mm
W WATER
CONNECTION
9.1"/231mm
E ELECTRICAL
CONNECTION
(C)
2.9"/74mm
E & W
When Ordering With Ceiling
Mounted Condensing Unit,
Add 11.8"(300mm)
11.8"/300mm
87.3"
2217mm
3.7"/94mm
D DRAIN CONNECTION
(Alternate location)
13.1"/333mm
29.1"/739mm
E ELECTRICAL
CONNECTION
13.3"/338mm
W WATER
CONNECTION
16.2"
441mm
28.9"
734mm
3.7"/94mm
D DRAIN CONNECTION
(Alternate location)
When Ordering With Ceiling
Mounted Condensing Unit.
Mounting Location
And Orientation Will Vary.
29.6"
752mm
33.0"/838mm
ENTRANCE WIDTH
(A)
(B)
4.0"/101mm
D DRAIN CONNECTION
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