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Federal SSRC Series Installation & Operation Instructions
Also see for SSRC Series: Installation & operation instructions
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- 8 -installer for proper operation of unit. This unit also has a defrost timer that will shut the refrigerationsolenoid off a set number of times per day (set at factory for 3 times per day) to insure a full defrost occurs.The solenoid will remain off until the either the off time is reached or until the temperature sensor on thecoil reaches a set temperature which ever happens firstThe condensing unit is optionally supplied from the factory for remote location installation. Thecondensing unit supplied from the factory will include a high low pressure switch that must be mountedand wired by the installer. The high low pressure switch must be wired in series with the compressor powersupply as shown in diagram below. If the factory is not providing the condensing unit a high/low pressureswitch will need to be supplied by installer and installed by installer.1. Mount condensing unit indoors as close to the remote display case as practical. The refrigeration lineshould be as short as possible and must not exceed 30 feet.2. All refrigeration and/or electrical materials between the condensing unit and display case are to besupplied by installing contractor.3. Route properly sized and designed refrigeration lines from the condensing unit to the cabinet.Horizontal suction lines should be pitched downward towards the condensing unit at least ½” per 10’run to aid the oil drainage. A “P” trap must be installed in the suction line at the foot of every riser toinsure oil return. Dry nitrogen must be used to flow through tubing while brazing refrigeration lines.4. Suction line must be insulated the entire length with Armaflex (or equivalent). Do not run liquid lineinside insulation with suction line.5. The remote high/low-pressure control must be mounted, wired and set pressures by the installer.6. Leak check condensing unit, cabinet, and all connecting tubing. Cabinet and condensing unit tubingshould be checked to insure no leaks occurred during shipping or from rough handling.Make certain all refrigeration valves are opened and evacuate system to 500 microns. Charge thesystem with refrigerant type specified on the data plates.REMOTEHIGH LOWPRESSURECONTROLLIQUID LINESUCTION LINE (INSULATED)REMOTECONDENSINGUNITEVAPORATOR COILDISPLAY CASEEXPANSIONVALVEHIGHLOW LIQUID LINESOLENOID VALVESIGHT GLASSDRIER/FILTERFIELD CONNECTIONHOTFUSEDPOWERSUPPLY DEFROSTTIMERHOTDEFROSTTERMINATETEMPERATURECONTROL NEUT.TEMP. CONTROL PROBE |
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