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AIR TO WATER HEAT PUMP
MONOBLOC
Models
Outdoor unit
WPYA050LE
CONTENTS
SPECIFICATION. . . . . . . . . .. . . . . . . . . . . . . . 2
FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
OPERATION DETAILS . . . . . . . . . . . . . . . . . . 4
TROBLESHOOTING GUIDE . . . . . . . . . . . . . 5
ELECTRIC CIRCUIT DIAGRAM . . . . . . . . .
EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . .
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . .
type
14
16
17
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Summary of Contents for Fujitsu WPYA050LE
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Page 1: Table Of Contents
Models Outdoor unit WPYA050LE CONTENTS SPECIFICATION......2 FUNCTION ......3 OPERATION DETAILS . -
Page 2: Specification
SPECIFICATION Unit WPYA050LE Cooling Capacity Heating Capacity phase Single Power source OUTLET TOP VIEW Airflow Method INTAKE Cooling 1025 Input Heating 1460 Electrical Data Running Current Cooling 4.5(6.6) (MAX.) Heating 6.4(10.9) ; R3/4(20A) Water Pipe Size Return ; R3/4(20A) Power Cord Number of core-wire core-wire / 1.5~2.0mm... -
Page 3: Function
FUNCTIONS UNIT Operation mode Cold water mode. Hot water mode. Inverter control Inverter control reduce the ON/OFF times of compressor, so can keep the water temperature changeless during opera- tion. Electricity consumption Inverter control can operate with less electricity consumption than normal air to water heat pump. -
Page 4: Operation Details
OPERATION DETAILS DEFROSTING OPERATION(FOR A UNIT HEAT EXCHANGER) • Defrosting operation is controlled by the temperature of outdoor heat exchanger sensed by the thermistor and the timer switch. • Defrosting operation starts when the both of the following conditions are met at the same time. a)40 minutes’(*1) of continuous run of the compressor after the start of heating operation or after the completion of previous defrosting operation. -
Page 5: Trobleshooting Guide
TROUBLESHOOTING GUIDE FOR YOUR SAFETY USE • For the safety and proper use and handling of the product, please read and follow the instructions carefully. • The meaning of the marks below are as follows. Danger Improper use will cause the significant risk of death or serious injury of the user. Warning Improper use may cause the risk of death or serious injury of the user. - Page 6 TROUBLESHOOTING GUIDE ERROR CODES - 6 -...
- Page 7 TROUBLESHOOTING GUIDE ERROR CODES - 7 -...
- Page 8 TROUBLESHOOTING GUIDE ELECTRIC CHARACTER [table 1] Sensor, temp. outdoor [table 2] Sensor, temp. defrost Sensor, temp. suction Temp.(°C) Resistance(kΩ) Temp.(°C) Resistance(kΩ) [table 3] Sensor, temp. outgoing [table 4] Sensor, temp. discharge and return circulating water Temp.(°C) Resistance(kΩ) Temp.(°C) Resistance(kΩ) DISPLAY OF ERRORS IN THE PAST 1.
- Page 9 TROUBLESHOOTING GUIDE CHECK FOLLOWING STEPS [fig. 1] Continuity of current fuse on the PCB (CONTROL- [fig. 2] Voltage of FAN MOTOR on the PCB(CONTROLLER) LER) [FUSE CF1,3] (CONTROLLER) FUSE CF3 FAN MOTOR BL Y W B FUSE CF1 + + + (WHITE) (CONTROLLER) Measure voltage between the connector pins of con-...
- Page 10 TROUBLESHOOTING GUIDE HOW TO DETACH PCB(CONTROLLER) Wait at least 5min. After turning off the power before servicing. 1. Unscrew and detach WIRING LID. [See picture 1] 2. Unscrew (4pcs) and detach TOP PANEL. [See pictuere 2] 3. Unscrew (5pcs) and detach FRONT PANEL ASSY. [See picture 3] 4.
- Page 11 TROUBLESHOOTING GUIDE HOW TO DETACH PCB(CONTROLLER) 5. Unscrew (3pcs). [See picture 5-1,5-2,5-3] 6. Disconnect lead wire for FAN MOTOR from CASE OF PCB. [See picture 6] 7. Disconnect 3 lead wires (black, white, red) from TERMINAL BLOCK. Unscrew the gray lead wire. [See picture 7] 8.
- Page 12 TROUBLESHOOTING GUIDE HOW TO DETACH PCB(CONTROLLER) 9. Unlock 4 hooks and detach CASE OF PCB(COVER). [See picture 9] 10. Unscrew and unlock 6 hooks. [See picture 10] Unscrew and unlock hooks one by one and detach PCB (CONTROLLER) slowly. 11. Detach PCB (CONTROLLER) from CASE. [See picture 11] [picture 9] [picture 10] unscrew...
- Page 13 TROUBLESHOOTING GUIDE HOW TO ASSEMBLE PCB(CONTROLLER) • Take the reverse procedure of "HOW TO DETACH PCB(CONTROLLER)". • Be sure to confirm 3 lead wires (black, white, red) and the gray lead wire are hooked. [See picture 12-1] • Ensure that PCB (DISPLAY) is connected to PCB (CONTROLLER) properly. [See picture 12-2] • Be sure to put FAN MOTOR lead wires in the passage along the side of CASE OF PCB.
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Page 14: Electric Circuit Diagram
TROUBLESHOOTING GUIDE WIRING DIAGRAM ※ ※ - 14 -... - Page 15 TROUBLESHOOTING GUIDE MONITOR DISPLAY METHOD 1. Switch “ ON ” the MODE SW. 4 on the unit PCB (DISPLAY). The monitor number and monitor data are alternately displayed. 2. Push the PUMP SW. of the unit PCB (DISPLAY). Every time the PUMP SW. is pressed the display changes in the sequence below. 3.
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Page 16: Exploded View
EXPLODED VIEW - 16 -... -
Page 17: Parts List
PARTS LIST PARTS NAME PARTS No. OUTLET GRILLE 20567790 FRONT PANEL ASSY. 20691630 RIGHT SIDE PANEL 20691780 LEFT SIDE PANEL ASSY. 20691800 TOP PANEL ASSY. 20699381 PROPELLER FAN 52630340 MOTOR 30137960 BRACKET,MOTOR 20681780 SENSOR (TEMP. OUTDOOR) 30138450 BOTTOM PANEL ASSY. 20705043 WIRING LID ASSY. - Page 18 PARTS LIST PARTS NAME PARTS No. QUICK FASTENER 00601690 HOSE BAND 30138460 HOSE BAND 30072400 HOSE BAND 30122230 DRAIN PLUG 10056760 CONNECTOR PIPE ASSY. 20768430 CASE OF PCB 20682670 CASE OF PCB (COVER) 20696130 UTZ-AT10CA PARTS NAME PARTS No. Interface Kit 20612052 RA-83 (3) - 18 -...