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Overview and technical specifacions 

Ed. 2014-08 

 

9

 

GAHP-W  –  HEATING AND CHILLING CAPACITIES 

 

Table 3 

- 

GAHP-W heating capacity. DT is the difference between outlet and inlet temperature.

 

 

Table 4 

- 

GAHP-W chilling capacity. DT is the difference between outlet and inlet temperature.

 

GAHP-W HEATING CAPACITY - kBtu/hr 

 

HOT WATER INLET TEMPERATURE 

77.0 86.0 95.0 104.0 113.0 113.0 

CHILLED 

WATER INLET 

TEMPERATURE 

DT=18 DT=36 

46.4  142.4 140.0 136.0 129.0 121.5 117.7 

50.0  142.6 140.9 138.2 132.4 125.3 121.3 

53.6  142.6 141.4 139.6 134.9 128.8 124.8 

59.0  142.6 141.6 140.5 137.6 133.3 129.4 

68.0  142.6 141.6 140.7 139.5 137.7 134.7 

77.0  142.6 141.6 140.7 139.7 138.8 137.0 

86.0  142.6 141.6 140.7 139.7 138.8 137.2 

GAHP-W CHILLING CAPACITY - kBtu/hr 

 

HOT WATER INLET TEMPERATURE 

77.0 86.0 95.0 104.0 113.0 113.0 

CHILLED 

WATER INLET 

TEMPERATURE 

DT=18 DT=36 

46.4  63.7 61.2 56.7 51.7 46.0 42.5 

50.0  64.1 62.2 58.9 54.8 49.9 46.0 

53.6  64.2 62.9 60.6 57.4 53.3 49.0 

59.0  64.3 63.6 62.4 60.4 57.1 52.9 

68.0  64.3 64.0 63.5 62.4 60.6 57.9 

77.0  64.3 64.0 63.5 62.4 61.6 60.1 

86.0  64.3 64.0 63.5 62.4 61.7 60.0 

Содержание GAHP-W

Страница 1: ...GAHP Line W and W LB Series Absorption heat pump for heating and cooling medium large areas Fired by natural gas fired LPG and renewable energy Installation use and maintenance manual...

Страница 2: ...iled in Robur Corporation Any use of this manual other than for personal consultation must be previously authorized by Robur Corporation The rights of those who have legitimately filed the registered...

Страница 3: ...NECTIONS 33 3 1 S61 AND ROBUR ELECTRICAL DIAGRAM KEY 34 3 2 OPERATION OF THE APPLIANCE THROUGH R W Y CONTACTS ON THE ELECTRONIC BOARD WITHOUT ROBUR OPTIONAL DIRECT DIGITAL CONTROLLER DDC 37 3 3 OPERAT...

Страница 4: ...t is strongly recommended that this manual be completely reviewed before proceeding with an installation This manual is specifically intended for End users for the operation of the appliance according...

Страница 5: ...not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a nearby phone Follow the gas supplier s instructions If...

Страница 6: ...d corrosion depending on the quality of the water being used Make sure the system is water tight and that the expansion tank is operational Concentrations of chlorides or free chlorine in the circuit...

Страница 7: ...before working on the appliance s internal electrical equipment electrical panel motors control board etc Make sure the appliance cannot be started up inadvertently The electrical safety of the appli...

Страница 8: ...GAHP W Installation start up use and maintenance manual 6 Edition 2014 08...

Страница 9: ...ich has been designed to recover thermal energy from the ground through geothermal piping not supplied either vertically or horizontally It can be used for heating cooling and DHW production The Robur...

Страница 10: ...14 4 PSI 68 F kBtu hr 95 5 ELECTRICAL RATINGS REQUIRED VOLTAGE 60HZ SINGLE PHASE 2 V 208 230 MINIMUM CIRCUIT AMPACITY MCA Unit only A 15 MAXIMUM OVER CURRENT PROTECTION MOCP A 15 TOTAL ELECTRICAL OPER...

Страница 11: ...5 117 7 50 0 142 6 140 9 138 2 132 4 125 3 121 3 53 6 142 6 141 4 139 6 134 9 128 8 124 8 59 0 142 6 141 6 140 5 137 6 133 3 129 4 68 0 142 6 141 6 140 7 139 5 137 7 134 7 77 0 142 6 141 6 140 7 139...

Страница 12: ...6 36 17 61 20 76 19 41 18 56 18 71 23 32 21 81 20 86 19 81 25 98 24 32 23 25 20 91 28 73 26 92 25 71 22 01 31 55 29 60 28 24 Table 7 GAHP W GAHP W LB pressure drop heating mode GAHP W LB HEATING CAPAC...

Страница 13: ...able 8 GAHP W pressure drop chilling mode GAHP W LB Chilling mode P Outlet water temperature Hot water flow 23 0 F 32 F 41 0 F GPM P ft of Head P ft of Head P ft of Head 6 60 6 36 5 36 4 66 7 71 8 37...

Страница 14: ...es In Canada to the latest edition of the Natural Gas and Propane Installation Code CSA B149 1 CSA B149 2 and or applicable local codes All electrical wiring is to be done in accordance with In the U...

Страница 15: ...o the appliance or to lower floors of the structure When such a location is not available it is recommended that a suitable drain pan be installed under the appliance The appliance is design certified...

Страница 16: ...Edition 2014 08 2 4 GAHP W AND GAHP W LB DIMENSIONS Figure 1 GAHP W and GAHP W LB external dimensions 15 1 2 60 1 2 10 1 2 37 13 16 3 1 8 33 25 3 4 24 11 16 7 13 16 51 9 16 4 27 3 8 50 3 4 33 1 2 LEG...

Страница 17: ...ging the casing during handling The lifting crane and all accessory devices braces cables bars must be suitable sized for the load to be lifted See Table 2 on page 8 for the weight and dimension of th...

Страница 18: ...16 Edition 2014 08 REQUIRED CLEARANCES FROM COMBUSTIBLE MATERIALS AND FOR SERVICE ACCESS Figure 3 Minimum clearances single unit installation and multiple unit installation 31 1 2 18 18 18 31 1 2 18 1...

Страница 19: ...LB UNITS MUST receive combustion air from the space in which it is installed The room where the appliance is installed MUST be provided with properly sized openings to assure adequate combustion air...

Страница 20: ...gs Outside air 1 openings Inside air 2 openings Outside air through 2 ducts 95 500 Btu h 24 in 2 32 in 2 96 in 2 48 in 2 Table 10 Outside air openings shall directly open to the outdoors The above req...

Страница 21: ...system into an occupied living space can cause a very hazardous condition that must be immediately corrected If a fan is used to supply combustion air to the boiler room the installer must make sure t...

Страница 22: ...he 5 flue pipe is 0 002 PSF F for the elbow is 0 013 PSF for the T is 0 015 PSF IMPORTANT NOTES Pressure drops will vary by pipe manufacturer supplier Check the manufacturer s technical data for the p...

Страница 23: ...g prevention of leakage of flue gasses into living spaces common venting must not be applied and appliances should each be vented separately It is for this reason that in addition to following proper...

Страница 24: ...vity inlets or other openings Whenever possible locations under windows or near doors should be avoided 3 Locate the vent terminal so that it cannot be blocked by snow The installer may determine that...

Страница 25: ...oxide detector with an alarm and battery back up is installed on the floor level where the gas equipment is to be installed In addition the installing contractor hall observe that a battery operated o...

Страница 26: ...Code for Gas Burning Appliances Equipment and local codes All threaded joints must be coated with a pipe sealing compound resistant to action of liquefied petroleum gas An approved union must be inst...

Страница 27: ...ve 3 000 feet elevation Conversions for operation at high altitude must be performed by factory authorized personnel only INLET GAS PRESSURE For natural gas the maximum inlet gas pressure must not exc...

Страница 28: ...emain open as the burner fires If air has not been completely bled ignition process may fail requiring a manual reset See 4 4 on page 51 7 When the burner ignites read the manometer and compare the nu...

Страница 29: ...n is required in all regions Robur recommends the use of permenantlyinhibited propylene glycol Maintaining the level of inhibitor in the glycol is also required and must be checked annually Zinc coate...

Страница 30: ...ature 44 F leaving fluid temperature 95 F ambient temperature 0 0005 fouling Pressure Drops may vary with individual glycol manufacturer s products The information provided for pressure drop is typica...

Страница 31: ...diagram for GAHP W connection KEY 1 ANTIVIBRATION JOINTS 2 MANOMETER RANGE 0 60 PSIg 3 CHECK VALVE 4 WATER STRAINER 2 filter mesh about 0 03 MANDATORY 5 CUT OFF VALVE 6 WATER PUMP 7 EXPANSION TANK 8...

Страница 32: ...less automatic air bleeders are provided at such points 3 Fill the system adding antifreeze glycol if necessary See Table 15 and Table 16 on page 27 4 Run the water pumps for a minimum of 15 minutes w...

Страница 33: ...of the chemical substances for the treatment since dangers could arise for health for the environment and for Robur appliances Several water treatment products are available on the market In the case...

Страница 34: ...ipe do not use copper or copper alloys The minimum straight length is 12 in The maximum length of the pipe is indicated in Table 19 Be sure to install the Teflon gasket provided Figure 12 a Locate the...

Страница 35: ...the Robur GAHP units Plastic pipe or dielectric unions may isolate the Robur GAHP electrically Service and maintenance personnel who work on or around the unit may be standing on wet floors and could...

Страница 36: ...V L N OIL PUMP ELECTRICAL SUPPLY TA OUTDOOR TEMPERATURE PROBE MAIN 230V L N MAIN POWER TG GENERATOR TEMPERATURE PROBE IGN BOX L N IGNITION CONTROL BOX TA1 AUXILIARY PROBE 1 NOT USED J10 N O CONTACT JU...

Страница 37: ...Electrical connections 37 Figure 14 Internal electrical wiring diagram...

Страница 38: ...PWRTR 230 24V transformer DDCTR 230 24V transformer IGNTR Ignition Transformer PTR Water Pump Transformer MV Motor Valve DV Defrosting Valve GV Gas Valve DDC Direct Digital Controller CNTBOX Flame Con...

Страница 39: ...e to the appliance as indicate in the Figure 15 Check that the main line is 208 230 V 1ph 60 Hz Keep to polarit 2 Use a 3x16 AWG cable 2 x 5A fuses T type OR or a 10 A circuit breaker switch Figure 15...

Страница 40: ...rom the DDC Figure 16 On off switch connection 4 Connect the heating and cooling water pumps If the electrical consumption of each water pump heating and cooling is lower than 4A the pumps can be conn...

Страница 41: ...W is the heating water pump R1 is the heating pump relay Open the jumpers J10 Figure 18 Connection of water pumps with electrical consumption higher than 4A Example of water pump connections with more...

Страница 42: ...ted via a CAN bus network Example of CAN bus connections see Figure 19 1 One appliance A and one DDC The two devices are terminal nodes 2 Two or more appliances A and B and one DDC Appliance A is a te...

Страница 43: ...ple of types of cable that may be used for CAN bus connection GND it is NOT a ground connection A shielded cable 3 x 18 AWG can be used ONLY if the total length of the CAN bus cable is shorter than 65...

Страница 44: ...e approx 3 inches Do not damage the shield and the wires 3 Roll the shield and connect it to the eyelet terminal as illustrated in Figure 24 letter C 4 Connect the wires in the CAN bus connector If th...

Страница 45: ...clamp as indicate in Figure 24 letter C Figure 23 CAN bus Connector supplied with the DDC Figure 24 Direct Digital Controller DDC wiring diagram and partial rear view KEY GND Common data A Insulating...

Страница 46: ...connector See Figure 24 TERMINAL 1 24 V TERMINAL 2 0 V TERMINAL 3 GROUND connect to a safety ground socket r 0 1 TERMINAL 4 Not used The DDC is equipped with a backup battery in order to help avoid da...

Страница 47: ...ical switch do not use any phone in your building Close the main shut off gas valve and electrically shut off the unit Immediately call your gas supplier from a nearby phone Follow the gas supplier s...

Страница 48: ...ng water set point is not considered Once the shut down cycle is over the cooling water pump stays on while the heating water pump stops No priority mode not available with the DDC Robur unit operates...

Страница 49: ...ay of the electronic board S61 as well as on the display of the DDC if installed It is possible to reset the error and warning messages either through the electronic board or the DDC If these codes ap...

Страница 50: ...be off during winter see Table 15 and Table 16 at page 27 As an alternative completely drain the primary water loop To re start the unit after a long inactivity period 1 Fill the water loop if it has...

Страница 51: ...SER SETTINGS Menu 4 INSTALLER SETTINGS Menu 5 SERVICE SETTINGS Menu 6 ADVANCE SETTINGS Menu 7 DIGITAL INPUTS READ ONLY Menu 8 NOT USED Table 21 Menu of electronic board If the unit is electrically sup...

Страница 52: ...n page 57 The encoder is used for surfing through the menus for setting the parameters To use the encoder 1 Remove the front panel of the unit 2 Remove the plug on the cover of the electric panel 3 Ro...

Страница 53: ...ng reset request string b Press the encoder knob again 4 If you need to perform a general reset rotate the encoder till the display shows number parameter 1 and press the encoder a The display shows t...

Страница 54: ...re differential F Once the water set point has been reached the unit will re start when the water temperature is higher than SET POINT DIFFERENTIAL PARAMETER 160 0 the thermostat control is set on the...

Страница 55: ...doors or the room is not compliant with local regulations It is not possible to safely access the unit according to the local and national regulations The gas used is different from the one the unit w...

Страница 56: ...4 on page 51 Once the burner is on check the manifold gas pressare Adjust the gas pressure if necessary o Remove cap A See Figure 29 o Rotate screw A clockwise to increase or counterclockwise to decre...

Страница 57: ...Can Bus cable is not compliant with Robur specifications The control system is not supplied by a dedicated electrical transformer Fill out the start up report mentioning the following sentence The un...

Страница 58: ...frequent 4 8 CHANGE OF GAS TYPE This operation must be perfomed by authorized Robur personell only If the appliance has to operate with a gas type different from the one indicated on the rating plate...

Страница 59: ...enerally need an automatic reset to be perfomed through the S61 board or through the DDC if present See chapter 4 4 on page 51 If the problem persists contact an authorized Robur Service Company E 200...

Страница 60: ...persists contact an authorized Robur Service Company W E 210 Warning and Error 210 Insufficient cold water flow If the problem persists contact an authorized Robur Service Company W E 211 Warning and...

Страница 61: ...s heating Reset occurs automatically with 3 6 F hysteresis W 232 Warning 232 The warning appears when the water temperature is lower than the operational limits cooling Reset occurs automatically with...

Страница 62: ...8 Warning 278 Outlet hot water temperature is above the operational limit W 279 Warning 279 Hot side antifreeze function on W 280 281 282 Warning 280 281 282 Incomplete or wrong set of parameters If t...

Страница 63: ...ose after the pre mixer blower starts normal operation a pre purge delay begins and the ignition sequence continues Next the ignition control box energizes an ignition transformer that generates a hig...

Страница 64: ...GAHP W Installation start up use and maintenance manual 62 Edition 2014 08 Figure 31 Ignition control box R TERMINAL DIAGNOSTIC LED W TERMINAL FC...

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Страница 68: ...ucts through the commitment and caring of its employees and partners Robur Mission Robur Corporation advanced heating and cooling technologies 827 E Franklin Street Evansville Indiana 47711 USA P 812...

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