Rheem RASL-JEC- User Manual

Page 2 - TABLE OF CONTENTS; CONDENSING UNITS EQUIPPED WITH THE

TABLE OF CONTENTS 1.0 SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.0 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1 Checking Product Received . . . . . . . . . . . . . . ....

Page 3 - SAFETY INFORMATION

Continued on next page ➜ 3 1.0 SAFETY INFORMATION ! WARNING THESE INSTRUCTIONS ARE INTENDED AS AN AID TO QUALIFIED, LICENSEDSERVICE PERSONNEL FOR PROPER INSTALLATION, ADJUSTMENT ANDOPERATION OF THIS UNIT. READ THESE INSTRUCTIONS THOROUGHLYBEFORE ATTEMPTING INSTALLATION OR OPERATION. FAILURE TO FOL-L...

Page 4 - CAUTION

4 ! CAUTION UNIT MAY START SUDDENLY AND WITHOUT WARNINGSolid red light indicates a thermostat call for unit operation is present atthe ICC control. ICC control will attempt to start unit after short cycle timerexpires or when in Active Protection mode will attempt to restart unit priorto Lockout mod...

Page 5 - GENERAL INFORMATION; CHECKING PRODUCT RECEIVED; WARNING; MATCH ALL COMPONENTS:

2.0 GENERAL INFORMATION The (-)ASL-series of condensing units are designed to operate using the Comfort Control 2 System™ or traditional 24VAC controls. These units are equipped with the Comfort Control 2 . Your installation must have these components to use Comfort Control 2 System™ : • (-)ASL cond...

Page 6 - FIGURE 1; UNIT MODEL NUMBER EXPLANATION; BASE PAN; TABLE 1

FIGURE 1 DIMENSIONS AND INSTALLATION CLEARANCES UNIT MODEL NUMBER EXPLANATION (-)ASL – 036 J E C EC = EQUIPPED WITH THE COMFORT CONTROL 2 SYSTEM™ J - 208/230-1-60 (NOMINAL CAPACITY) 024 = 24000 BTU/HR 036 = 36000 BTU/HR 039 = 39000 BTU/HR 048 = 48000 BTU/HR 060 = 60000 BTU/HR L = DESIGN SERIES (R-41...

Page 8 - Single Unit Applications:; Customer Satisfaction Issues

3.3 Operational Issues • IMPORTANT: Locate the unit in a manner that will not prevent, impair or com- promise the performance of other equipment horizontally installed in proximity to the unit. Maintain all required minimum distances to gas and electric meters, dryer vents, exhaust and inlet opening...

Page 9 - REFRIGERANT CONNECTIONS; system contamination.; -Service Pressure Rating of 800 PSIG; FIGURE 2

4.0 REFRIGERANT CONNECTIONS All units are factory charged with Refrigerant 410A. All models are supplied with service valves. Keep tube ends sealed until connection is to be made to prevent system contamination. 4.1 Tools Required For Installing & Servicing R-410A Models Manifold Sets: -Up to 80...

Page 10 - Manifold sets need to range; R-410A and air should never be mixed in tanks or supply

IMPORTANT: The Rheem approved/recommended method is a guide to securing equipment for wind and seismic loads. Other methods might provide the same result, but the Rheem method is the only one endorsed by Rheem for securing equipment where wind or earthquake damage can occur. Additional information i...

Page 11 - REPLACEMENT UNITS; for acid. If positive, a suction line filter drier is mandatory.; INTERCONNECTING TUBING; Vapor and Liquid Lines; r e c o m m e n d e d t h a t a s e c o n d a r y s h e e t m e t a l c o n d e n s a t e p a n b e

5.0 REPLACEMENT UNITS To prevent failure of a new condensing unit, the existing evaporator tubing system must be correctly sized and cleaned or replaced. Care must be exercised that the expansion device is not plugged. For new and replacement units, a liquid line filter drier should be installed and...

Page 12 - Maximum Length of Lines; required for any length up to 150 feet.; Outdoor Unit Installed Above or Below Indoor Coil; Use the following guidelines when installing the unit:; Tubing Installation; can be heated to form vapor, insulating the liquid line is required.

12 7.2 Maximum Length of Lines The maximum length of interconnecting line is 150 feet. Always use the shortest length possible with a minimum number of bends. Additional compressor oil is not required for any length up to 150 feet. NOTE: Excessively long refrigerant lines cause loss of equipment cap...

Page 13 - TABLE 4

13 LIQUID LINE SIZE - OUTDOOR UNIT ABOVE INDOOR COIL R-410A System Capacity Model Line Size Connection Size (Inch I.D.) [mm] Line Size (Inch O.D.) [mm] Minimum Vertical Separation - Feet [m] 1/4” [6.35]* 0 0 10 [3.05] 34 [10.36] 58 [17.68] 82 [24.99] -024 3/8” [9.53] 5/16” [7.93] 0 0 0 0 0 0 3/8” [9...

Page 14 - TABLE 5

14 TABLE 5 (-)ASL SUCTION LINE SIZING SUCTION LINE SIZE - OUTDOOR UNIT ABOVE INDOOR COIL R-410A System Capacity Model Line Size Connection Size (Inch I.D.) [mm] Line Size (Inch O.D.) [mm] Outdoor Unit ABOVE Indoor Coil (Cooling Only - Does not apply to Heat Pumps) Total Equivalent Length - Feet [m] ...

Page 15 - Tubing Connections

15 • For best operation, keep tubing run as short as possible with a minimum num- ber of elbows or bends. • Locations where the tubing will be exposed to mechanical damage should be avoided. If it is necessary to use such locations, the copper tubing should be housed to prevent damage. • If tubing i...

Page 16 - Compressor Identification; Comfort Control; Control Identification; hand board and Compressor B is controlled by the right-hand board.

8.0 DUAL DRIVE COMPRESSORS The -039, -048, & -060 condensing units contain two compressors to deliver maxi- mum efficiency and comfort. The Dual Drive Compressors are sized to increase run times at first stage operation (partial capacity). When additional capacity is needed, a two stage thermost...

Page 17 - Control Operation; Crankcase Heater Operation:; HARD START COMPONENTS

8.3 Comfort Control 2 System™ Control Operation A Dual Drive unit has two controls instead of a single control. The controls are the same as any residential communicating control except the secondary control dip- switches (SW5) should be in the off position. Therefore, the features such as fault rec...

Page 18 - Evacuation Procedure; Line Voltage Connector; IR

11.1 Evacuation Procedure Evacuation is the most important part of the entire service procedure. The life and efficiency of the equipment is dependent upon the thoroughness exercised by the serviceman when evacuating air and moisture from the system.Air in the system causes high condensing temperatu...

Page 19 - FIGURE 6; IN

Compressor Control (K2) • Sealed single pole compressor relay switch with optical feedback feature (arc detection) Thermostat Connector (E2) • R – 24VAC from the indoor unit 24VAC transformer (40 VA minimum) • C – 24VAC Common from the indoor unit 24VAC transformer • 1-Data: System Communications Li...

Page 20 - Control Wiring; Diagnostic Codes in Dual Drive; FIGURE 7

12.2 Comfort Control 2 System™ Control Wiring An HVAC system equipped with Comfort Control 2 System™ consists of: • Heat pump or condensing unit equipped with Comfort Control 2 • Air handler or furnace equipped with Comfort Control 2 • Comfort Control 2 thermostat The four 18AWG low voltage control ...

Page 21 - ICC Control Operation; 0 Second Minimum Run Timer; X Active Compressor Protection Mode; Second Stage Cooling Operation; X Serial Communication ICC Control Operation; Installation Verification

S E R IA L C O MMU N IC A T IO N S C O N T R O L WIR IN G C O MF O R T C O N T R O L 2 S Y S T E M™ C O N T R O L WIR IN G 12.4 Comfort Control 2 ICC Control Operation IInnssttaallllaattiioonn VVeerriiffiiccaattiioonn • 24V AC power on R&C must be present at the ICC for it to operate • Line volt...

Page 22 - Active Compressor Protection Mode

3300 SSeeccoonndd M Miinniim muum m RRuunn TTiim meerr • The ICC has a built in 30 second minimum unit run time. If a command for com- pressor operation is received by the ICC and the command is removed, the com- pressor will continue to operate for 30 seconds. The dual 7-segment LEDs will flash “c”...

Page 24 - Test and Fault Recall Modes; FAULT RECALL; FAULT RECALL

24 IIM MPPO ORRTTAANNTT:: This mode of active protection must be manually reset. EExxiittiinngg AAccttiivv ee CCoom mpprreessssoorr PPrrootteeccttiioonn LLoocc kkoouutt Three are three methods to reset the ICC after an active protection lockout: 1) Cycle the line voltage to the unit2) Cycle 24VAC to...

Page 26 - ICC Diagnostic Codes; CONTROL WIRING; LEDs Display; X ICC Diagnostic Codes; FLASHING; X ICC Diagnostic Codes; FLASHING; X ICC Diagnostic Codes; Descriptions of the ICC diagnostic codes are provided below:; FLASHING; X ICC Diagnostic Codes; Descriptions of the ICC diagnostic codes are provided below:; FLASHING; X ICC Diagnostic Codes; Descriptions of the ICC diagnostic codes are provided below:; FLASHING; X ICC Diagnostic Codes; Descriptions of the ICC diagnostic codes are provided below:; FLASHING; ELECTRONICS GROUP TO

26 ICC Diagnostic Codes Descriptions of the ICC diagnostic codes are provided below: 12.7 COMFORT CONTROL 2 SYSTEM™ CONTROL WIRING AND CONVENTIONAL THERMOSTAT WIRING ICC DIAGNOSTIC CODES Dual 7-Segment LEDs Display Code Diagnostic Description 0 – Standby No command for unit operation Normal operatio...

Page 27 - LPC has opened 3 times in the same cooling

27 Dual 7-Segment LEDs Display Code Diagnostic Description Status/Possible Cause – Troubleshooting Information 06 – Compressor Open Start Circuit The ICC detects current in the Run circuit but not in the Start circuit of the compressor five times, 4 retries in one compressor call • Check for damaged...

Page 29 - Conventional 24VAC Thermostat Control Wiring; L Terminal Output; TABLE 6

29 C O N V E N T IO N A L T H E R MO S T A T WIR IN G 12.8 Conventional 24VAC Thermostat Control Wiring The (-)ASL series of heat pumps allow the installer to use conventional 24VAC con- trol wiring and a conventional thermostat for proper unit operation. IIM MPPO ORRTTAANNTT:: The preferred method ...

Page 30 - FIGURE 8

30 C O N V E N T IO N A L T H E R M O S T A T W IR IN G W2 W1 C G (-)HPN Air Handler Y1 Typical Two-Stage Thermostat (-)ASL Condensing Unit Y2 C R Y2 Field Installed Line Voltage - WIRING INFORMATION Factory Standard - ODD R Y1 Y2 G W2 R Y1 C L Y Y/BL R BR W/R W1 * FIGURE 8 TYPICAL 2-STAGE THERMOSTA...

Rheem RASL-JEC- User Manual

Table of Contents:

Summary

Other Rheem Models