Engineering Specifications

Transcription

1 Engineering Specifications NORDIC W-85-H-B-*S-PD Water to Water Heat Pump Single-Stage R134a Nominal 7.5 Ton With Double Wall Condenser for Domestic Hot Water Production Maritime Geothermal Ltd. P.O. Box 2555 Petitcodiac, N.B. E4Z 6H4 Ph. (506) Document Number: SPC-03 REVISION DATE: 01 MAY 2014

2 MODEL NOMENCLATURE W 85 H B 2S PD xx Series: W = water to water Nominal Size: 85 = 7.5 ton Functions: H = heating AC = active cooling (reversing) W = desuperheater for DHW Refrigerant: B = R134a Revision: 01, 02 etc. Indoor Loop Exchanger: D = double wall brazed plate Outdoor Loop Exchanger: P = brazed plate Compressor Stages: S = single stage Voltage Code: 2 = 208V - 3 phase - 60 Hz 4 = 460V - 3 phase - 60 Hz 5 = 575V - 3 phase - 60 Hz 7 = 380V - 3 phase - 50 Hz The models and revisions covered by this document are listed in the table below. MODEL REVISION W-85-H-B-2S-PD 03 W-85-H-B-4S-PD 03 W-85-H-B-5S-PD 03 W-85-H-B-7S-PD 03 Maritime Geothermal Ltd. has a continuous improvement policy and reserves the right to modify specification data at any time without prior notice. 01 MAY 2014 Page SPC-03

3 Suction accumulator High and Low refrigerant access ports. Heavy duty case constructed of 20 gauge satin galvanized panels with reinforcing channel stiffeners, completely insulated with 1/2 and 1 acoustic insulation. Textured powder coat finish inside and out. Fault monitoring board with lock-out indicator and anti-short cycle timer. Sight glass Four removable access panels for ease of servicing. DESIGN FEATURES High efficiency brazed plate heat exchangers. Receiver Copeland Scroll compressor. 100VA 24V transformer with breaker/fuses Electronic expansion valve for precise refrigerant metering. Swing-out electrical box for ease of servicing REFRIGERATION COMPONENT LAYOUT 1. double wall brazed plate condenser 2. brazed plate evaporator 3. cabinet 4. heat exchanger brackets 5. ZR94KCE scroll compressor 6. EEV 7. EEV pressure transducer 8. EEV temperature sensor 9. filter-dryer 10. accumulator 11. receiver - 10 lb 12. sight glass 01 MAY 2014 Page SPC-03

4 CASE DETAILS Front View Left Side View Right Side View 01 MAY 2014 Page SPC-03

5 ELECTRICAL BOX LAYOUT 12. EEV control board 13. compressor contactor 14. EEV startup relay VA 24VAC control transformer 16. thermostat/control connection 17. ground lug 19. fuse holder - transformer primary (not for 208/3/60) 20. fuse - transformer primary (not for 208/3/60) 21. lockout board 22. fuse - transformer secondary (not for 208/3/60) 23. fuse holder - transformer secondary (not for 208/3/60) Nomenclature Identifier ELECTRICAL SPECIFICATIONS Power Supply Heat Pump Electrical Information Compressor FLA MCA MISCELLANEOUS INFORMATION Maximum Fuse/Breaker Minimum Wire Size V-ø-Hz MIN MAX RLA LRA Amps Amps Amps ga # # # #10-4 Unit Weight Refrigerant Refrigerant Charge Outdoor Pressure Drop Indoor Pressure Drop lb kg Type lb kg psi kpa psi kpa R134a *Pressure drops are for water at 24USGPM (1.51 l/s). Loop Parameter Mode ( F) ( C) Note Outdoor Indoor MINIMUM AND MAXIMUM OPERATING TEMPERATURES* Minimum ELT Heating Maximum ELT Heating Minimum EWT Heating Reduce flow to maintain discharge pressure if necessary. Maximum EWT Heating * Values in this table are for rated liquid and water flow values. 01 MAY 2014 Page SPC-03

6 REFRIGERATION CIRCUIT DIAGRAM 01 MAY 2014 Page SPC-03

7 CAPACITY RATINGS Heating Mode (104F) W-85-H-B-2S Nominal 7.5 ton R134a 60 Hz Source Data (Outdoor Loop) Power Consumption Sink Data (Indoor Loop) ELT Evap. Temp Flow LLT Delta T HAB Total Effective COPh EWT Cond. Temp. Flow LWT Delta T Net Output F F USGPM F F BTU/Hr Watts Amps* Watts W/W F F USGPM F F BTU/Hr C C L/s C C Watts C C L/s C C Watts ,485 4, , , , , ,016 4, , , , , ,156 4, , , , , ,632 4, , , , , ,178 4, , , , , ,650 4, , , , , ,100 4, , , , ,747 * Divide by 2.2 for 460VAC, by 2.8 for 575VAC Compressor: ZR94KCE-TF5 ( ) Heating Mode (140F) W-85-H-B-2S Nominal 7.5 ton R134a 60 Hz Source Data (Outdoor Loop) Power Consumption Sink Data (Indoor Loop) ELT Evap. Temp Flow LLT Delta T HAB Total Effective COPh EWT Cond. Temp. Flow LWT Delta T Net Output F F USGPM F F BTU/Hr Watts Amps Watts W/W F F USGPM F F BTU/Hr C C L/s C C Watts C C L/s C C Watts ,437 6, , , , , ,504 6, , , , , ,700 7, , , , , ,089 7, , , , , ,999 7, , , , , ,745 7, , , , , ,254 6, , , , ,397 * Divide by 2.2 for 460VAC, by 2.8 for 575VAC Compressor: ZR94KCE-TF5 ( ) 01 MAY 2014 Page SPC-03

8 LIMITED WARRANTY MARITIME GEOTHERMAL LTD. warrants that its commercial geothermal heat pumps shall be free from defects in materials and workmanship for a period of ONE (1) YEAR after the date of installation or for a period of ONE (1) YEAR AND SIXTY (60) DAYS after the date of shipment, whichever occurs first. This warranty covers all internal components of the heat pump. MARITIME GEOTHERMAL LTD. shall, at its option, repair or replace any part covered by this warranty. Defective parts shall be returned to MARITIME GEOTHERMAL LTD., transportation charges prepaid. Replacement or repaired parts and components are warranted only for the remaining portion of the original warranty period. This warranty is subject to the following conditions: 1. The geothermal heat pump must be properly installed and maintained in accordance with MARITIME GEOTHERMAL LTD. guidelines. 2. The installer must complete the Startup Record and return it to MARITIME GEOTHERMAL LTD. within 21 days of unit installation. 3. For new construction, it is the responsibility of the building or general contractor to supply temporary heat to the structure prior to occupancy. Geothermal heat pumps are designed to provide heat only to the completely finished and insulated structure. Startup of the unit shall not be scheduled prior to completion of construction and final duct installation for validation of this warranty. 4. It is the customer's responsibility to supply the proper quantity and quality of water or properly sized ground loop with adequate freeze protection. If a geothermal heat pump manufactured by MARITIME GEOTHERMAL LTD. fails to conform to this warranty, MARITIME GEOTHERMAL LTD.'s sole and exclusive liability shall be, at its option, to repair or replace any part or component which is returned by the customer during the applicable warranty period set forth above, provided that (1) MARITIME GEOTHERMAL LTD. is promptly notified in writing upon discovery by the customer that such part or component fails to conform to this warranty; (2) the customer returns such part or component to MARITIME GEOTHERMAL LTD., transportation charges prepaid, within (30) thirty days of failure, and (3) MARITIME GEOTHERMAL LTD.'s examination of such component discloses to its satisfaction that such part or component fails to conform to this warranty and the alleged defects were not caused by accident, misuse, neglect, alteration, improper installation, repair or improper testing. MARITIME GEOTHERMAL LTD. will not be responsible for any consequential damages or labour costs incurred. In additional, MARITIME GEOTHERMAL LTD. will not be responsible for the cost of replacement parts purchased from a third party. 01 MAY 2014 Page SPC-03