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Istruzioni per l'uso Goodman Mfg, Modello HPAW130

Produttore : Goodman Mfg
File Size : 977.43 kb
File Nome : 2af5e4d5-1f56-438e-a728-a433dca9fff3.pdf
Lingua di insegnamento: en
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Facilità d'uso


The COP data given above is based on 7.C ambient air and 35.C water temperature. This information should be used as guidance only and notto estimate the COP at other temperatures. ! NOTE Figure 2-5: Grant HPAW65 Figure 2-8: Grant HPAW130 Figure 2-6: Grant HPAW85 Figure 2-7: Grant HPAW110 Figure 2-9: Grant HPAW155 2.5 Pump Curves Pump Head (metres) Pump Head (metres) 6 5 4 3 2 1 0 Wilo-Classic Star 0 0.5 1 1.5 2 3) Flow (m3/h) Flow (m3/h) Star-RS15/6.25/6 2.6 Heat Pump Operating Sequences Pump OFF ON ON ONOFF OFF OFF Fan Comp Fan Pump OFF OFF OFF OFF ON ON ON ON ON OFF OFF ON ON ON Comp 4-way15.5kW Pump Curve 15 10 5 0 0 1.2 2.4 3.6 4.8 PUN-200E Figure 2-10: Pump curve for HPAW65, HPAW85, HPAW110 & HPAW130 Figure 2-11: Pump curve for HPAW155 Specifications 5 valve ON Demand OFF Defrost signal 0 10 60 off BTC Time secs 0 25 30 0 25 30 Time secs (on) Pump delay(on) (off) time Figure 2-12: Normal operating sequence Figure 2-13: Defrost cycle 2 Specifications and Controls 6 Specifications andControls All Grant Aerona Heat Pumps are supplied with 2 controllers. 1 x heat pump controller (ATC) and 1 x temperature controller (BTC). The ATC is positioned inside the house/building and is normally used in an automatic condition. There are a few parameters that can be adjusted including time and maximum water temperature. The details of these settings can be found in Section 11 of this manual. The BTC is a split temperature controller located inside the heat pump. For many installations, the DHW temperature and the CH temperature will be different. The BTC allows for 2 different design temperatures to be entered, maximising the efficiency of the Grant Aerona heat pump. The details of these settings can be found in Section 11 of this manual. All other controls (programmers, motorised valves, thermostats, etc) are not supplied but their use is covered in Sections 4 and 8 of this installation manual. 2.7 Controls Figure 2-11: ATC Controller Figure 2-12: BTC Controller 3 Siting the Heat Pump Siting 1. Base The heat pump should be installed on a flat trowelled finished concrete base 150mm thick. This base should extend at least 100mm beyond the unit on three sides. The edge of the concrete base on the side closest to the building should be flush with that face of the heat pump. Refer to Figure 3-1. To avoid bridging the DPC, leave a gap of at least 300mm between the concrete base and the wall of the house. The Underside of the heat pump is fitted with a condensate deflector that directs the condensate to the rear of the unit. To allow this condensate to safely drain away, there should be a shallow trench at least 150mm wide, filled with stone chippings, along the rear edge of the concrete base. This trench can extend across the gap between the concrete base and the house (minimum distance 300mm) but the chippings must be below the building DPC level. 3.1 Position 300mm Figure 3-1: Installation details 100mm min 200mm min above ground level 150mm minimum Trench with chippings Edge of base flush with rear of heat pump Concrete base DPC IMPORTANT It is essential that the condensate is able to drain away and not allowed to run onto any adjacent paths or driveways where, in winter, this will result in icing and a potential hazard for anyone walking near the heat pump. The top of the concrete base must be either level with, or above, the surrounding ground level. Always ensure at least 200mm vertical clearance between the surrounding ground level and the underside of the heat pump to allow for adequate air movement. Refer to Figure 3-1 for details. 2. Clearances The Heat pump should have a minimum of 300mm from the rear of the unit to any wall and not have any obstruction within 1000mm from the front or either side of the unit. Do not rest objects on top or against any part of the heat pump under any circumstances. Do not insert objects into the fan guard. 3. Noise Level All heat pumps make a noise. Discuss the potential nuisance factor with the end-user when considering the final position of the heat pump. Take opening windows and doors into account. It is not essential for the heat pump to be positioned next to a wall of the house. Behind an out-building may be more suitable so discuss the options with the end-user. 4. Insulation Remember, all pipe work, irrespective of length, must be well insulated to prevent heat loss. The use of barrier plastic pipe together with double thick insulation is strongly recommended, particularly when considering longer pipe runs. 3 Siting the Heat Pump Siting the Heat Pump The North face of a building will usually have colder ambient air than any other side. To ensure maximum efficiency from the Grant Aerona heat pump, position the unit on a warmer side. In order of preference, site the unit on a South face followed by either South East or South West, then by East or West. Only install on a North face if there is no other alternative. 3.2 Orientation North Cooler ambient air East South Figure 3-2...

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