Gemini GRPR 1-40 User Manual
Over 30 years’ experience in the bakery business makes Gemini Bakery Equipment Company
a reliable partner able to satisfy all your individual wishes.
Together with resources from our international partners, Gemini's technical and engineering
personnel can develop new ideas and concepts to meet your bakery’s needs.
Take profit of it!
Since 1972
GRPR 1-40
Single Door Proofer/Retarder
Creative Technology and Service for the Baking Industry
Gemini Bakery Equipment Company
9990 Gantry Road
Philadelphia, PA 19115—1002
(215) 673-3520 Fax: (215) 673-3944
sales@geminibe.com
www.geminibe.com
In an effort to consistently upgrade our products,
we reserve the right to change specifications and
dimensions without notice
Meets UL 763 and NSF and NSF-8 Standards
Sheet Number GRPR2HO v 7 (Rev 03/08)
dxrMarch 2008
Model/Rack Capacity
Model/Depth Single
GRPR1-40 1 Rack
Standard Product Warranty
One-Year Parts and Labor (contiguous US Including Alaska and Hawaii,
Canada)
Construction Features
• Heavy duty stainless steel exterior with 300 Series stainless steel interior and aluminized steel top
• Walls Ceilings and Doors are foam insulated
• Modular wall and ceiling panels with cam lock construction
• Rapid responding air-wash heat and humidity system
• High capacity refrigeration system with epoxy coated evaporator coils
• 208/240 VAC single or 3-phase power, field convertible
• R404A Refrigeration
Model
GRPR 1-40
Retarder
BTU Rating
@ 35 Deg F
2500
Int Ext Int Ext “A” Ext.”B: “C” Actual Ship
74.1 91.4 33.0 38.7
Height Width Depth Weight Freight
Class
31.2 41 49.3 900 1000 85
Performance Features
• Dual purpose, provides both proofing and
retarding
• 70-120 Degree F proofing range
• 34-45 Degree F retarding Range
• 50-99% humidity range
• Non-submerged calrod type heaters
• Evaporators sized for high humidity levels, pre-
vents drying
• Interior bumpers protect interior walls from
Controls Features
• All digital controls mounted in the door at eye-level
• PID Type controls for rapid accurate response without
• Overshoot
• Operate in individual modes or automatic mode
• Digital set Temperature, Humidity, Time
• Real-Time clock
• Installed in the door at eye-level
• Large LED displays
damage
• Lighted Interior
Installation Requirements
Ships KD requires on-site installation 1/2” NPT Cold water connection
1/2” PVC Vented drain connection
Options & Accessories
Stainless Steel Floor
Electrical Requirements By Model
Model Voltage Total KW 1-Phase 3-Phase Water Drain
GRPR 1-40
208 VAC 5 24.0 AMPS 13.8 AMPS 1/2” NPT .07
GPM @ 60 PSI
1/2”PVC; 210 F;
<1 GPM Max.
240 VAC 6.6 27.5 AMPS 15.8 AMPS
IMPORTANT: Your local water conditions may damage your Gemini appliance. Failure to properly treat water may result
in damage and may void your warranty. Ensure that your water supply meets these minimum water quality specifications.
Parameter Unit Value
Alkalinity ppm 22
Aluminum Ppb 17
Calcium Ppm 3.3
Free Chlorine Residual Ppm 0.6
Parameter Unit Value
Magnesium Ppm 0.65
pH S.u. 8.5
Sodium Ppm 8.5
Total Hardness Ppm 11.9
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