Gemini GRP 1 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
GRP 1
Single Door Roll-in Proofer
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)
bjz October 2008
Model/Rack Capacity
Model/Depth Side Load
End Load
Double
GRP 1-40 1 Rack 1 Rack None
GRP 1-70 2 Racks
2 Racks
None
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
• 208/240 VAC single or 3-phase power, field convertible
Model
GRP 1-40
GRP 1-70
Height Width Depth Weight Freight
Int Ext Int Ext “A” Ext.”B: “C” Actual Ship
74.1 91.4 33.0 38.7
74.1 91.4 33.0 38.7
32.1 41 49.3 900 1000 85
62.1 71 79.3 1197 1322 85
Class
Performance Features
• PID Controlled heat and humidity system
• 70-120 Degree F proofing range
• 50-99% humidity range
• Non-submerged calrod type heaters
• Interior bumpers protect interior walls from
damage
• Lighted Interior
Controls Features
• All digital controls mounted in the door at eye-level
• PID Type controls for rapid accurate response without
overshoot
• Digital set Temperature, Humidity, Time
• Real-Time clock
• Installed in the door at eye-level
• Large LED displays
Installation Requirements
Ships KD requires on-site installation 1/2” NPT Cold water connection
Either 208 or 240 VAC 1 or 3-phase 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
GRP 1-40
GRP 1-70
208 VAC 5 24.0 AMPS 13.8 AMPS 1/2” NPT .07
GPM @ 60 PSI
240 VAC 6.6 27.5 AMPS 15.8 AMPS
1/2”PVC; 210 F;
<1 GPM Max.
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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