Gemini GRPR 2-40, GRPR 2 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 2
Retarder 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)
dxrMarch 2008
Model/Rack Capacity
Model/Depth Side Load End Load Double
GRPR2-40 2 Rack 2 Rack 1 Racks
GRPR2-50 4 Racks 4 Racks 2 Racks
GRPR2-70 6 Racks 6 Racks 2 Racks
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
• Optional remote condensers
• Refrigeration components compliant with R404a refrigeration
Performance Features
Dual purpose, provides both proofing and retarding
Controls Features
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, prevents drying
Interior bumpers protect interior walls from damage
Lighted interior
• 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 left hand door at eye-level
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
Refrigeration systems must be installed by a licensed refrigeration technician
Technical Data
Model
GRPR2-40 3500
GRPR2-50 3642 46.1 51.1 59.4 1329 1454 85
Retarder
BTU Rating
Height Width Depth Weight
Int Ext Int Ext “A” Ext.”B: “C” Actual Ship
36.1 41.1 49.4 1157 1282 85
74.1 91.4 68.1
78.8
Freight
Class
GRPR2-70 5500 66.2 71.2 79.5 1493 1618 85
Electrical Requirements By Model
Model Voltage Total KW 1-Phase 3-Phase Water Drain
GRPR2-(40-70)
208 VAC 5 24.0 AMPS 13.8 AMPS 1/2” NPT .07
GPM
240 VAC 6.6 27.5 AMPS 15.8 AMPS
@ 60 PSI
1/2” PVC; 210
F;
<1 GPM Max.
This Appliance is designed to operate at normal room temperatures; if installed next to an oven or other heat source
allow a minimum clearance of 4” to prevent heat transfer. Clearance from combustibles is 0.0” sides and back, For
Install on non-porous surfaces only
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 specifica-
Options & Accessories
Refrigeration Condenser; Requires separate connection
Stainless Steel Floor
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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