Related Manuals for G&F Manufacturing R-410A
Summary of Contents for G&F Manufacturing R-410A
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Page 1: Service Manual
G&F Manufacturing Service Manual Version 2.0 April 2010 Any tech working on these units must read this manual. Any questions, please call service department from the job site. 954-318-6900... -
Page 2: Table Of Contents
Table of Content Topics Page • Introduction to 410a • Sequence of operation • Control Board Operation • Control Board Service Menu • Service menu options Language Select Remote T-Stat Pool Heat/Cool Pool- Cool Solar Control Time Delay Spa Timer Even Heat Temperature Scale Defrost Mode... -
Page 3: Introduction To 410A
Introduction This manual was put together to introduce you to G&F Manufacturing’s new R-410A Swimming Pool Heat Pump. Please read the manual before you begin to service unit. If you have any questions, we have a dedicated service department to help you. -
Page 4: Sequence Of Operation
Sequence of Operation In order to properly diagnose a problem you must understand the sequence of operation. When the pool pump comes on and the water flows through the heater, the water pressure closes the normally open pressure switch. When the switch closes, the control board then checks the thermostat to see if the pool water temp is below the board set point. -
Page 5: Remote T-Stat
ATTENTION: You will find the Pool/Spa remote is no longer necessary; the board is programmed to automatically recognize the switch and self-program. Option: Remote T- Stat (Disable) This option is used for external controller systems with its own thermostat such as an Aqua logic! or Aqua link!. -
Page 6: Even Heat
Option: Even Heat (Disabled) Will periodically turn pool pump on according to delay setting. Options are: Off, 0 Hr (for testing), 1 Hr, 2 Hr, 3 Hr, 4 Hr, Default is off Option: Temperature scale (F) Sets display for Centigrade or Fahrenheit. Use arrows to toggle. Option: Defrost Mode (Air Defrost) Options are Air Defrost and Reverse Cycle. -
Page 7: Low Refrigerant Pressure
Low Refrigerant Pressure Low pressure cut out is 37 pounds cut in is 80 pounds. Unless the defrost sensor is way out of calibration, you should never see this code because of low ambient temperatures. You should only see this code if there is a refrigerant leak. Find and repair the leak. Water Flow Lockout High Refrigerant pressure is 540 cut in is 360. -
Page 8: Components Of Service
Charge The system holds 4 pounds for Turbotec R-410A unit, because the sub cooling & super heat vary greatly with air and water temperature. For field charging we use a condensing temperature of 24 degrees. After power is on and water has been running through unit for at least 5 minutes your high side temperature should be 24 degrees above water temperature. -
Page 9: Remove And Replace Parts
ATTENTION: Although the components of this system are the product of an engineer, the design of the unit was created by a service technician of 35 years. Therefore, wherever possible, the unit was put together with ease of service in mind. Time is important to both your company and ours so when replacing refrigerant components please start with recovering refrigerant, and then move on to disconnecting component. -
Page 10: R&R Txv And/Or Filter Dryer
Replace with new filter/ dryer. Solder in new component. Leak check, start vacuum. Replace top on unit. After vacuum has reached 500 microns, charge system to 4 lbs of R-410A for Turbotec Titanium unit, Start unit and check operation. Replace front cover. ATTENTION: Always cut the filter out, DO NOT UNBRAZE. - Page 11 WARNING: DO NOT Cut old WTS wire and splice in new WTS R&R Water Temp Sensor Turn off power. Remove front cover. Unscrew water temp sensor (WTS) and take out. Screw in new WTS. Take old WTS spade clips off of the back of the board. Place new spade clip in same slot.
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Page 12: R&R Defrost/ Evaporator Sensor
R&R Defrost Sensor Turn off power. Remove front cover. Disconnect connectors from T-7 and T-8 on control board. Remove strain relief bushing where wires penetrate side of control box and feed sensor wires out of control box. On the suction line cut the cork tape and peel back exposing TXV bulb and strap. Loosen strap and slide old sensor out. -
Page 13: Installation Of Heat Pump
Installation ATTENTION: Before installing this heater there are several things to consider for performance, serviceability and warranty. Direction of Placement: Access panel should always face out away from wall. If you must face the service panel toward the wall, leave a minimum of 24” between the wall and the unit. ATTENTION: You will not have a happy customer if they have to squeeze between the wall and the heater to use the controller. -
Page 14: Electrical Diagram
Page 14... - Page 15 Bill of Materials DRAWING COMPONENT DESCRIPTION PART NO. COMPRESSOR PLUG 1001001 FAN MOTOR, 2/5HP, 825 RPM 1001002 CONTROL 1001003 TEMP SENSOR, SUCTION 1001004 TEMP SENSOR, WATER 1001005 CONTACTOR, 2 POLE, 40A 1001006 TRANSFORMER, 40VA 1001007 CAPACITOR, 80UF, 370V 1001028 CAPACITOR, 7.5UF, 370V 1001009 PRESSURE SWITCH, HIGH, 540 1001054...
- Page 16 10K Sensor Ohms Chart 46225 26100 15310 9297 5827 44879 25391 14921 9076 5697 43577 24704 14543 8861 5570 42318 24037 14176 8651 5446 41099 23391 13820 8447 5326 39919 22764 13473 8249 5208 38777 22156 13136 8056 5094 37671 21566 1209 7867...
- Page 17 WARNING: Using any company that is not certified by G&F Manufacturing will cause the warranty on the unit to void. SERVICE All service must be handled by an Authorized Service Center. Warranty may be void if a non- authorized service representative does service. Do not return the heater to your dealer, as they do not provide service.