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IX. COVER PANEL INSTALLATION/

VIII

CONVERSION PROCEDURE

DOWNFLOW TO HORIZONTAL

1. Remove the screws and covers from the outside of the supply and return sections.

Also remove and discard cover plate. See Figure 3.

2. Install  the  covers  over  the  bottom  supply  and  return  openings,  painted  side  up,

inserting the leading flange under the bracket provided. Place the back flange
to top of the front bracket provided. 
See Figure 14.

3. Secure the return and supply cover to front bracket with two (2) screws.

X. CONDENSATE DRAIN

IMPORTANT:  Install  a  condensate  trap  to  ensure  proper  condensate  drainage.
See Figure 15.

The condensate drain connection of the evaporator is threaded 1"-1

1

2

" NPT.

The  condensate  drain  pan  has  a  hreaded  female  1  inch  NPT  (11.5 TPI)  connection.
Consult local codes or ordinances for specific requirements of condensate drain piping
and disposal.

• To  use  the  removable  drain  pan  feature  of  this  unit,  some  of  the  condensate  line

joints should assembled for easy removal and cleaning.

• Use  a  thin  layer  of Teflon  tape  or  paste  on  drain  pan  connections  and  install  only

hand tight.

• Do not over tighten drain pan connections as damage to the drain pan may occur.

• Drain line MUST NOT block service access panels.

• Drain line must be no smaller than drain pan outlet and adequately sized to accom-

modate the condensate discharge from the unit.

• Drain line should slope away from unit a minimum of 1/8” per foot to ensure proper

drainage.

• Drain  line  must  be  routed  to  an  acceptable  drain  or  outdoors  in  accordance  with

local codes.

• Do not connect condensate drain line to a closed sewer pipe.

• Drain line may need insulation or freeze protection in certain applications.

XI. CONDENSATE DRAIN, OUTDOOR COIL

The outdoor coil during heating operation will sweat or run water off. The outdoor coil
will also run water off during the defrost cycle. See Section V, Installation, Page 5 for
mounting precautions.

FIGURE 15

CONDENSATE DRAIN

FIGURE 16

BRANCH CIRCUIT DISCONNECT LOCATION

ST-A1125-01B

15

Summary of Contents for RJNL-B SERIES

Page 1: ...f r i h RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION DO NOT DESTROY THIS MANUAL PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE BY A SERVICEMAN WARNING T...

Page 2: ...earances 13 Rooftop Installation 13 Ductwork 14 Filters 14 Cover Panel Installation Conversion Procedure 15 Condensate Drain 15 Condensate Drain Outdoor Coil 15 Electrical Wiring 15 Power Wiring 15 Co...

Page 3: ...he cabinet fan blade and coil with fresh water will remove most of the salt or other contaminants that build up on the unit 2 Regular cleaning and waxing of the cabinet with a good automobile polish w...

Page 4: ...ssure of R 410A is approximately 60 1 6 times greater than R 22 Recovery and recycle equipment pumps hoses and the like need to have design pressure ratings appropriate for R 410A Manifold sets need t...

Page 5: ...gned for R 410A 4 Tools Required For Installing Servicing R 410A Models Manifold Sets Up to 800 PSIG High side Up to 250 PSIG Low Side 550 PSIG Low Side Retard Manifold Hoses Service Pressure Rating o...

Page 6: ...RICAL ENTRY LOW VOLTAGE ELECTRICAL ENTRY POWER C O N D E N S E R C O I L SUPPLY AIR RETURN AIR FIGURE 1 UNIT DIMENSIONS BOTTOM VIEW FIGURE 2 UNIT DIMENSIONS BOTTOM VIEW ST A1125 02B ST A1125 09B Typic...

Page 7: ...125 03 ST A1125 08B OUTDOOR FAN 2 2 OUTDOOR FAN 1 1 3 OUTDOOR FAN 3 6 5 4 OUTDOOR FAN 5 OUTDOOR FAN 4 OUTDOOR FAN 6 OUTDOOR COIL SUPPLY AIR FILTER RACK RETURN COMPARTMENT COMPRESSOR 2 FIGURE 5 COMPONE...

Page 8: ...COMPRESSOR ACCESS OUTDOOR FANS FIGURE 7 UNIT DIMENSIONS COMPONENT ACCESS ST A1125 01B 1 2 3 4 5 6 OUTDOOR FAN 4 OUTDOOR FAN 1 OUTDOOR FAN 5 OUTDOOR FAN 6 OUTDOOR FAN 3 OUTDOOR FAN 2 CONTROL COMPARTMEN...

Page 9: ...trol TX Valves TX Valves TX Valves TX Valves Indoor Coil Fin Type Louvered Louvered Louvered Louvered Tube Type Rifled Rifled Rifled Rifled Tube Size in mm 0 375 9 5 0 375 9 5 0 375 9 5 0 375 9 5 Face...

Page 10: ...m 53 3 4 95 53 3 4 95 Rows FPI FPcm 1 22 9 1 22 9 Refrigerant Control TX Valves TX Valves Indoor Coil Fin Type Louvered Louvered Tube Type Rifled Rifled Tube Size in mm 0 375 9 5 0 375 9 5 Face Area...

Page 11: ...30 90 90 90 90 45 45 30 35 100 100 100 100 45 50 35 35 2 2 2 2 2 2 200 230 200 230 460 460 575 575 3 3 3 3 3 3 3450 3450 3450 3450 3450 3450 7 7 7 7 7 7 25 25 25 25 12 2 12 2 9 9 164 164 164 164 100...

Page 12: ...vibration slab should not be connected to building structure 3 The location of the unit should be such as to provide proper access for inspection and servicing 4 Locate unit where operating sounds wi...

Page 13: ...embly see Roofcurb Installation Instruc tions 4 If the roofcurb is not used provisions for disposing of con densate water runoff must be provided 5 The unit should be placed on a solid and level roofc...

Page 14: ...or crawl space should be insulated with at least 2 of insulation with vapor barrier One half to 1 thickness of insulation is usually sufficient for ductwork inside the air conditioned space Balancing...

Page 15: ...e of this unit some of the condensate line joints should assembled for easy removal and cleaning Use a thin layer of Teflon tape or paste on drain pan connections and install only hand tight Do not ov...

Page 16: ...screws previously removed d Connect the unit contactor wires 1L1 1L2 1L3 to the compressor fuse block on the heater kit e Re install the power entry panel run conduit and the proper size field wiring...

Page 17: ...STAT WIRING IN THIS CHASE TO CONTROL BOARD 2 CAP PLUGS BASE CONTROL ENTRY BASE POWER ENTRY FIGURE 17 THERMOSTAT CONNECTIONS DIAGRAMS R Y1 Y2 G C TERMINAL BLOCK ST A1125 36 00 ONLY USED ON DUAL FUEL OR...

Page 18: ...7 723 2748 744 2877 764 3003 785 3124 804 3265 823 3410 842 3559 860 3710 878 3865 895 4024 912 4185 929 4350 7200 3398 570 1897 595 2042 619 2185 643 2327 666 2466 689 2602 711 2737 732 2870 753 3000...

Page 19: ...ate_________________________________________ 8 Turn thermostat system switch to HEAT Unit compressors should stop Raise temper ature setting to above room temperature Unit should run in heating mode a...

Page 20: ...MAND DEFROST CONTROL AND HIGH LOW PRESSURE CONTROLS The demand defrost control monitors the outdoor ambient temperature outdoor coil temperature and the compressor run time to determine when a defrost...

Page 21: ...lly If not check the coil and ambient temperature sensor resistances using the sensor temperature vs resistance table at the end of this section Immerse the sensor in water and measure the resistance...

Page 22: ...he unit or by shorting the two defrost control pins together ENHANCED FEATURE DEFROST CONTROL DIAGNOSTIC CODES SENSOR TEMPERATURE VS RESISTANCE TABLE REPLACEMENT PARTS Contact your local distributor f...

Page 23: ...66 295 300 350 300 350 188 217 200 225 78 78 100 100 100 100 B180CM No Heat 81 81 100 100 100 100 81 81 100 100 100 100 CE20C 1 14 4 19 2 49 13 65 5 40 46 2 131 139 150 175 150 175 50 58 50 60 81 81 1...

Page 24: ...ier Incorrect voltage At compressor terminals voltage must be within 10 of rating plate volts when unit is operating Compressor short cycles Incorrect voltage At compressor terminals voltage must be 1...

Page 25: ...25...

Page 26: ...26 NOTE 15 TON UNIT DOES NOT HAVE OFM 2 5...

Page 27: ...URE PSIG INDOOR AMBIENT F DB SUCTION PRESSURE PSIG 115 105 95 85 75 65 55 200 220 240 260 280 300 320 340 360 380 400 420 440 460 480 500 520 540 560 100 120 140 160 180 200 220 60 65 70 75 80 240 260...

Page 28: ...28 CM 0913 RJNL SERIES 15 TON...

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