® COMMERCIAL MERCHANDISER FREEZER OWNER'S MANUAL Models: J1GF-12S, J1GF-20S, J2GF-40S, J2GRF-40DT, J3GF-61S, J3GRF-61DT This manual contains important information regarding your new C oldT ec h unit. Please read the manual thoroughly prior to equipment set-up, operation and maintenance. Failure to comply with regular maintenance guidelines outlined in this manual may void warranty. MUST READ!!! 1575 Zephyr Avenue Hayward, CA 94544 (800) 314-4477 (510) 477-3400 f: (510) 477-3413 www.coldtechUSA.
TABLE OF CONTENTS Page 2...............................................................ColdTech Limited Warranty Page 3.........................................................................................Installation Page 4...................................................................Leg or Caster Installation Page 5.....................................Light Switch & Temperature Control Access Page 6........................ ...........................Maintenance and Troubleshooting Page 8..........
INSTALLATION IMPORTANT!!! PLEASE READ BEFORE INSTALLATION 1) If the unit has recently been transported please let unit stand still for a minimum of 24 hours before plugging it in. 2) Make sure that the unit drops down to desired temperature before loading the unit with product. 3) Make sure that there is proper ventilation around the unit in the area where it will operate. 4) Make sure all accessories are installed (i.e. shelves, shelf clips, casters) before plugging the unit in.
UNIT LEG AND CASTER (optional) INSTALLATION Make sure to follow diagrams to properly install the units adjustable legs or optional casters!!! 1) Install the provided nut to the leg, to the desired height. (for optional caster installation, start with step #2) NUT Skipping step #1 might bend support rails and make the unit unstable. This will void any or all warranties. 2) Locate the pre-drilled holes in the support rails, as outlined by diagram A, found on the bottom of the unit.
LIGHT SWITCH OPERATION AND ACCESSING THE TEMPERATURE CONTROL Warning!!! Adjusting the parameters of the temperature control, if done improperly, may cause malfunction of the unit and may void warranty. Consult ColdTech service department before adjusting the temperature control parameters.
REGULAR MAINTENANCE CLEANING THE CONDENSER COIL For efficient operation, it is important that the condenser surface be kept free of dust, dirt, and lint. ColdTech recommends cleaning the condenser coil and fins at least once per month. Clean with a commercial condenser coil cleaner, available from any kitchen equipment retailer. Brush the condenser fins from top to bottom, not side to side. After cleaning, straighten any bent condenser fins with a fin comb.
SYMPTOM Compressor not running. POSSIBLE CAUSE Fuse blown or circuit breaker tripped. Power cord unplugged. Thermostat set too high. Cabinet in defrost cycle. Condensing unit runs for long periods of time. Excessive amount of warm product placed in cabinet. Prolonged door opening or door ajar. Door gasket(s) not sealing properly. Dirty condenser coil. Evaporator coil iced over. Cabinet temperature is too warm. Thermostat set too warm. Blocking air flow.
SAFETY / WARNING Please pay close attention the the safety notices in this section. Disregarding these notices may lead to serious injury and/or damage to the unit. KEY ! ATTENTION ! UNPLUG CORD PROPER GROUNDING REQUIRED PROHIBITED 1) To minimize shock and fire hazards, be sure not to overload outlet. Please designate one outlet for your unit. 2) Do not use extension cords. 3) Do not put your hands under the unit when the unit is required to be moved.
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Applicable to Models: J1GF-12S, J1GF-20S, J2GF-40S, J2GRF-40DT (freezer only), J3GF-61S, J3GRF-61DT (freezer only) ColdTech® Freezer Merchandiser Settings Temperature set to -10 F Parameter E1 E2 E3 E4 E5 E6 F1 F2 F3 Function Lower Setpoint Limit Higher Setpoint Limit Hysteresis, temp variance Comp. start delay time Offset on room temp Offset on evap temp Max. defrost duration Defrost interval time Defrost termination temp Set Range -40 F ~ set temp set temp ~ 120 F 1 ~ 18 F 0 ~ 10 min.
The New Symbol of Innovation™ MEMO RETAIN THIS MANUAL FOR FUTURE REFERENCE Please read the entire manual carefully before installation and operation. If certain recommended procedures are not followed, warranty claims will be denied. Notice: ColdTech reserves the right to make changes in design and specifications without prior notice.