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Summary of Contents for Rheem RASL-JEC
- Page 1 ISO 9001:2000...
- Page 2 Comfort Control System™ Comfort Control System™ Comfort Control Comfort Control Comfort Control Comfort Control System™ Comfort Control System™...
- Page 3 §...
- Page 5 Comfort Control System™ Comfort Control Comfort Control System™ Comfort Control System™ Comfort Control System™ Comfort Control Comfort Control...
- Page 6 AIR DISCHARGE COMFORT CONTROL SYSTEM™ ALLOW 600 [1524 mm] CLEARANCE ACCESS PANEL A-00002 AIR INLETS (LOUVERS) ALLOW 120 [305 mm] MIN. CLEARANCE 3 SIDES ALTERNATE HIGH VOLTAGE CONNECTION (KNOCKOUT) [34 mm] ALLOW 240 [610 mm] ACCESS CLEARANCE LOW VOLTAGE CONNECTION "...
- Page 9 R-410A systems operate at higher pressures than R-22 systems. Do not use R-22 service equipment or components on R-410A equipment.
- Page 10 Manifold sets need to range up to 800 psig high-side and 250 psig low-side with a 550 psig low-side retard. Hoses need to have a service pressure rating of 800 psig. Recovery cylinders need to have a 400 psig service pressure rating.
- Page 16 Comfort Control System™...
- Page 17 Comfort Control System™ Comfort Control System™ Comfort Control System™...
- Page 18 COMFORT CONTROL SYSTEM™ Comfort Control Comfort Control System™...
- Page 20 Comfort Control System™ Comfort Control System™ Comfort Control Comfort Control Comfort Control Comfort Control System™ Communicating Thermostat Outdoor Unit Indoor Unit WIRING INFORMATION Line Voltage –Field Installed - - - - - - –Factory Standard Comfort Control System™ Comfort Control System™...
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Page 21: Installation Verification
Comfort Figure X – Typical Serial Communication Wiring Diagram Control 13.X Serial Communication ICC Control Operation Comfort Control Installation Verification 24V AC power on R&C must be present at the ICC for it to operate • Line voltage must be present at the ICC for the compressor and the outdoor fan to operate •... - Page 22 The ICC actively protects the compressor from harmful operation during a fault condition. • When the ICC detects a condition that could damage the compressor, the ICC will enter • active protection mode and lockout compressor operation The condition causing active protection must be resolved then the ICC can be reset to restart •...
- Page 23 The ICC will display a flashing “L” followed by a flashing “4” when a locked rotor • condition occurs. Active Protection – Code L4 – Locked rotor If the ICC detects the compressor has run less than 15 seconds for four (4) consecutive starts during the same command for unit operation, the ICC will lockout the compressor to keep it from continuing to operate and flash a “L”...
- Page 24 Test Mode (Test Button on the ICC) and release. Enter TEST mode by pressing the TEST button with an insulated probe for one (1) second The TEST mode causes the ICC to do the following • • and release. Resets the ICC from any active protection lockout mode The TEST mode causes the ICC to do the following Resets the 3-minute anti-short cycle timer •...
- Page 25 c - Anti-short cycle timer (3 minutes) or • The unit has received a command for first stage Minimum run timer (30 seconds) active cooling during an active anti-short cycle timer or minimum run timer. • Wait until unit timer has expired or press the FLASHING COMFORT CONTROL SYSTEM™...
- Page 26 four (4) compressor cycles is less than three • L21 • Check thermostat location in zone (too close to • 29 • Dirty outdoor coil g to operate and flash a “L” on the 7-segment LEDs followed by a “21”. Once (3) minutes each.
- Page 27 Fault and unit 21 – Low Pressure Control Open • Unit has low refrigerant charge • Check wiring connections • Check wiring connections The ICC detects the LPC is open. • Check wiring connections • Indoor coil is frozen (cooling mode) FLASHING FLASHING FLASHING...
- Page 28 Comfort Control...
- Page 29 Typical Two-Stage Thermostat Typical Two-Stage Thermostat Y2 G Y2 G Humidistat (-)HPN Air (-)HPN Air Handler Handler (-)ASL (-)ASL Condensing Condensing Unit Unit Y/BL Y/BL WIRING INFORMATION WIRING INFORMATION Line Voltage Line Voltage Field Installed Field Installed Factory Standard Factory Standard Typical Two-Stage Thermostat Typical Two-Stage Thermostat Y2 G...
- Page 30 required. Class II insulation is required if run separate. Low voltage wiri the insulated bushing provided in the 7/8 hole in the base panel, up to and from the bottom of the control box. Conduit can be run to the base panel the insulated bushing.
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Page 31: Active Compressor Protection Mode
Flashing upper case C A call for second stage cooling has be received The 3-minute time delay can be bypassed when a call for compressor operation is present by • pressing the TEST button for 1 second and releasing. The compressor will begin operation and the 7-segment will stop flashing. - Page 32 outdoor temperature rises above 5°F. Wait until the outdoor ambient temperature rises above 5°F before performing further diagnostics. High Pressure Control Lockout If the HPC opens three (3) times during the same call for unit operation, the ICC will • lockout the compressor to keep it from continuing to operate and flash a L”...
- Page 33 IMPORTANT: This mode of active protection must be manually deactivated. Exiting Active Compressor Protection Lockout Three are three methods to reset the ICC after an active protection lockout: 1) Cycle the line voltage to the unit 2) Cycle 24VAC to the ICC (remove the R or C connection to the ICC) 3) Push the TEST button down for one (1) second and release Note: The ICC will attempt to start the unit when the TEST button is pressed and released...
- Page 34 Fault Recall Mode (TEST and SW2 Buttons) Enter FAULT RECALL mode by pressing the TEST and SW2 buttons at the same time • with insulated probes for one (1) second and release. When entering and exiting FAULT RECALL mode the top and bottom segments of the 7- •...
- Page 37 Comfort Control System™...
- Page 38 COMFORT CONTROL SYSTEM™ Comfort Control System™...