AHWG Remote Mount Hot Water Generator Module For GT-PE (50YPS) Series Outdoor Split Unit Installation, Operation & Maintenance Instructions 97B0080N02 Revised: 3 May, 2010B Table of Contents Model Nomenclature Example 3 Description and Installation Examples 4 Installation and Operating Instructions 5-8 Wiring and Electrical Data 9-10 Revision History 12
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Remote HWG R e v i s e d : 3 M a y, 2 0 1 0 Model Nomenclature: for Remote Hot Water Generator 1 2 3 5 4 6 7 8 9 AHWG 1 A A C S Accessory Future AHWG = Accessory Remote Hot Water Generator CS = Standard Size 1 = Standard Revision A = Current Revision Voltage A = 115/60/1 G = 208-230/60/1 3
Remote HWG R e v i s e d : 3 M a y, 2 0 1 0 Hot Water Generator Module For Outdoor Compressor Section General Information The HWG Module consists of an all-copper, vented doublewall heat exchanger and a water-cooled bronze water circulating pump. The pump is controlled by a microprocessor in the HWG module. Power for the pump is provided from a remote 115 or 230 vac power source. potential cost of frequent maintenance may offset or exceed any savings. Consult unit IOM for scaling potential tests.
Remote HWG R e v i s e d : 3 M a y, 2 0 1 0 Hot Water Generator Module Refrigeration Installation For Outdoor Compressor Section Only Location/Mounting The HWG module should be mounted indoors and as close to the heat pump outdoor section as possible, in order to minimize the length of refrigerant run. It is recommended that the HWG module be mounted above the system compressor in order to promote proper oil movement and drain-down.
Remote HWG R e v i s e d : 3 M a y, 2 0 1 0 Hot Water Generator Module Installation Outdoor Compressor Section Only Figure 3a: Outdoor Compressor Section HWG Installation Figure 3c: HWG Service Valves Refr to HWG HWG Bypass Valve Refr from HWG Refr to HWG HWG Line Valves Refr from HWG Fully Insulated Lines to the HWG Figure 3b: Remote HWG Module Figure 4: HWG Refrigerant Line Sizing Control Board HWG Refr Out HWG Water Out HWG Refr In 16.
Remote HWG R e v i s e d : 3 M a y, 2 0 1 0 Hot Water Generator Module Installation The HWG is controlled by two sensors and a microprocessor control. One sensor is located on the compressor discharge line to sense the discharge refrigerant temperature. The other sensor is located on the HWG heat exchanger’s “Water In” line to sense the potable water temperature.
Remote HWG R e v i s e d : 3 M a y, 2 0 1 0 Hot Water Generator Module - Domestic Water Installation WARNING! Warning! Use extreme caution when working around the microprocessor control as it contains line voltage connections that presents a shock hazard that can cause severe injury or death! The heat pump, water piping, HWG, and hot water tank should be located where the ambient temperature does not fall below 50°F [10°C]. Keep water piping lengths at a minimum.
Remote HWG R e v i s e d : 3 M a y, 2 0 1 0 Electrical - Wiring Figure 5: HWG Module Wiring 230 Volt CONDENSER CONDENSER CONDENSER HWG Module Figure 6: HWG Module Wiring 115 volt HWG Module Wiring - For “Outdoor” Compressor Section The HWG module should be wired to a power supply as shown in Figure 5 or 6. A safety disconnect should be installed at the HWG module as required by code to allow servicing of the module.
Remote HWG R e v i s e d : 3 M a y, 2 0 1 0 Electrical - Wiring Figure 8: Low Voltage Field Wiring WARNING! WARNING! To avoid possible injury or death due to electrical shock, open the power supply disconnect switch and secure it in an open position during installation. 10 CAUTION! CAUTION! Use only copper conductors for field installed electrical wiring. Unit terminals are not designed to accept other types of conductors.
Remote HWG R e v i s e d : 3 M a y, 2 0 1 0 Notes: 11
Remote HWG R e v i s e d : 3 M a y, 2 0 1 0 Revision History Date Page # Description 1 July, 10 Various Warranty, Nomenclature, Unit Photos Updated 3 May, 10 4 HWG Piping Drawings Revised 3 Nov., 09 All First Published ISO 9001:2000 Certified Quality: First & Always 7300 S.W. 44th Street *97B0080N02* Oklahoma City, OK 73179 Phone: 405-745-6000 Fax: 405-745-6058 97B0080N02 The Manufacturer works continually to improve its products.
