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Cooling Model Heat Pump
51302618919-A 0606
DFS2A318J2A DFS2H318J2A
DFS2A/H 2 X 09, 2 X 12
DFS2A324J2A DFS2H324J2A
R-22
Duct Free Systems
Installation, Start-Up and Service Instructions
• Consult local building codes and National Electrical Code
CONTENTS
Page
(NEC, U.S.A.) for special installation requirements.
SAFETY CONSIDERATIONS ................................ 1
Max. cable length. Total voltage drop should not exceed 1V.
GENERAL......................................................
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Table 1 — Parts List — High Wall Units ITEM QTY DIAGRAM Mounting Bracket 2 X 1 DFF2A/DFF2H 09, 12 Long Screws 2 X 8 Outdoor Sensor Connecting Cable 2 X 1 (Available for HEAT PUMP ONLY) Absorption Cushions 4 Electric Terminals 2 X 8 2 X Remote Controller 1 Mounting Mounting Bracket Bracket with 2 screws Remote Controller 2 X 1 and Batteries %"+)< Insulation for indoor Fittings 2 X 1 Owner's Manual 2 X 1 1 Wall mounted Receiver RTX (OPTIONAL) (Not included) 2
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Table 2 - Physical Data - Cooling Only INDOOR UNIT 2 X DFF2AH09J1A 2 X DFF2AH12J1A COOLING CAPACITY (Btuh) 2 X 9,000 2 X 11,400 SEER 13.0 13.0 SYSTEM CHARGE (Ib)* 2 X 2.4 2 X 3.1 MOISTURE REMOVAL (pt/hr) 2 X 2.6 2 X 4.5 AIRFLOW (3 Speeds) 2 X 350 / 2 X 280 / 2 X 220 2 X 370 / 2 X 280 / 2 X 220 High / Med. / Low Cfm DIMENSIONS LxHxW (in.) 32 3/32x10 15/64x7 9/32 32 3/32x10 15/64x7 9/32 REFRIGERANT TYPE R-22 R-22 NET WEIGHT (Ib) 2 X 19.0 2 X 19.0
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7 Fig. 3 — Refrigerant Lines Fig. 2 — Indoor Unit Clearances INSTALLATION Plan the installation carefully to avoid component failures and make installation easier. Indoor Unit Installation Fig. 4 — Mounting Bracket DFF2A/DFF2H 09, 12 REFRIGERANT LINE ROUTING — The refrigerant lines may be routed in any of the four directions shown in Fig. 3. INSTALL THE MOUNTING BRACKET 1. Carefully remove the mounting bracket, which
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FUSE FUSE WIRE THE INDOOR UNIT REASSEMBLE 1. Strip the cables back 1/4 inch. 1. Connect the display connector to the display panel printed circuit board. 2. Remove the unit's front panel by lifting the lower part and pulling it gently outward and upward. See Fig. 6. 2. Put the control box cover and grille frame back on using the appropriate screws (Steps 3 and 4 of Wire the Indoor Unit 3. Remove the two screws from the control box cover and take section). Put the grille insert back on. off the
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MAKE REFRIGERANT PIPING CONNECTIONS (OUTDOOR ATTACH THE REMOTE CONTROLLER UNIT) — To connect the refrigerant lines: MOUNTING BRACKET Make sure to properly identify and separate between the pip- ing and control cables coming from indoor unit No. 1 and the pip- 1. Use the two screws supplied with the controller to attach the ing and cables coming from indoor unit No. 2 mounting bracket to the wall in the location selected by the customer (see Fig. 10 ). Use only "L" type sealed, dehydrated coppe
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Operation push button for INDOOR UNIT 2 X 09, 2 X 12 automatic operation (23°C), turning the a/c OFF, canceling the malfunction indication, and resetting the filter LED. OFF ON TIMER SERVICE LED PLASTIC CONTROL COVER FILTER IR RECEIVER Fig. 12A — Indoor unit LED’s and Wiring FLARING AND CONNECTING REFRIGERANT LINES 1. Remove the protective cap from the flare fitting. 3. Disconnect the vacuum pump. Unit should maintain 500 microns for 5 minutes. 2. Remove the protective cap from the tubing and
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Table 4 — Electrical Data, Indoor Units — 30VDC UNIT VOLTAGE MCA* MOCP* FULL LOAD FAN MOTOR COMPRESSOR COMPRESSOR LOCKED AMPS AMPS AMPS ROTOR AMPS DFF2AH 09J1A 30VDC N/A N/A 1.8 1.1 N/A N/A 12J1A 30VDC N/A N/A 1.8 1.5 N/A N/A DFF2HH LEGEND MCA — Minimum Circuit Amps MOCP — Maximum Overcurrent Protection *If indoor unit is powered from outdoor terminal block, the MOCP for the outdoor unit is for both sections NOTE: Specifications and performance data are subject to change without notice. 309
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*BR *BR *BLK W H T W H T BRN BRN RED YELG / R GR / YEL BLK BLK BLK BLK GR / YEL GR / YEL RED BRN BRN W H T W H T *BR *BR *BLK 9 *BLUE M W H T Models 2 X 09 / 2 X 12 Wiring Diagram Heat pump I N D O O R U N I T I N D O O R U N I T 2 1 O U T D O O R U N I T TH1 TH2 TH3 TH3 TH2 TH1 BLK BLK TH3 TH3 2 2 1 1 RVS RVS TB TB BLK BLK BLK BLK J6J7 J8 **BLK J8 J7 J6 1 TB 1 TB 1 1 **BLK BLK BLK J1 J1 BLK 1 FAN BLK FAN 1 YEL **YEL FAN J18 2 FAN **YEL YEL J18 2 2 HLTV RVS 1 FAN HLTV FAN RVS 2 1 **WH WH HL
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*BR *BR *BLK W H T W H T BRN BRN RED YELG / R GR / YEL BLK BLK B LK BLK GR / YEL GR / YEL RED BRN BRN W H T W H T *BR *BR *BLK 10 *BLUE M W H T Models 2 X 09 / 2 X 12 Wiring Diagram Cooling Only I N D O O R U N I T 2 I N D O O R U N I T 1 O U T D O O R U N I T TH1 TH2 TH2 TH1 BLK BLK 2 2 1 1 TB TB BLK BLK BLK BLK J6J7 J8 **BLK J8 J7 J6 1 TB 1 TB 1 **BLK BLK 1 J1 BLK J1 BLK 1 FAN BLK FAN 1 YEL FAN J18 2 FAN YEL J18 2 2 RVS 1 FAN FAN RVS 2 1 **WH WH HLTV **WH 3 K4 HLTV WH K6 FAN GR/YEL K4 3 3
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Indoor Units START-UP CAUTION System Checks 1. Conceal the tubing where possible. To avoid the possibility of electric shock, before performing any cleaning and maintenance operations, always turn off power to 2. Make sure that the drainage tube slopes downward along its the system by pressing the ON/OFF button on the remote con- entire length. trol and turn off the separate disconnect switch located near the 3. Ensure all tubing and connections are properly insulated. unit. If the indoor unit
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TROUBLESHOOTING (Tables 6-8, and Fig. 19) WARNING Be sure to check for broken wires or loose cable lugs before troubleshooting system. Table 6 — Service Indicators LAMP STATUS INDICATION CORRECTION ACTION Check the TH1 thermistor for correct resistance. 1 Flash Faulty TH1 Sensor Check for proper connection. Replace thermistor if necessary. Check the TH2 thermistor for correct resistance. 2 Flashes Faulty TH2 Sensor Check for proper connection. Replace thermistor if necessary. Check system pres
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Table 7 -DFS2A/DFS2H Thermistor TH-1, TH-2, and TH-3 Temperature to Resistance Conversion ! ! %$% ! $ '% ! ! ! "# $ "# $ &%& $ &%& $ &%& $ 0 0 ( F) ( C) 0 0 ( F) ( C) (K ) Ω (K ) Ω (K ) Ω ()*+ (+ (* (, (+*) (- *) (. * (/ 0*+ (0 /*- ()
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Table 7 -DFS2A/DFS2H Thermistor TH-1, TH-2, and TH-3 Temperature to Resistance Conversion (Cont.) ! ! %$% ! $ '% ! ! ! "# $ "# $ &%& $ &%& $ &%& $ 0 0 ( F) ( C) 0 0 ( F) ( C) (K ) Ω (K ) Ω (K ) Ω ++*) - +* , +)*+ )+ +0*- ) +.*/ ) +,*) ) *
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Table 8 — General System Troubleshooting Guide SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION Power supply from outdoor unit to indoor Check for proper connection of power at disconnect. unit is not connected. Power supply to unit not connected Unit Fails to Start. (POWER LED Off). Fuse blown (POWER LED Off). Reset circuit breaker or replace line fuse. ON/SEND button has not been pressed. Press ON/SEND button on remote control. Indoor unit does not receive transmitted commands. Make sure that nothing
