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Aquazone™
50RHE006-060
Water Source Heat Pumps
Horizontal Unit
50 Hz, CE Mark
R-407C
Installation, Start-Up, and
Service Instructions
CONTENTS Page
Ground Coupled, Closed Loop and Plateframe
Page
Heat Exchanger Well Systems ................ 21
SAFETY CONSIDERATIONS ...................1,2
OPERATION...................................21,22
GENERAL........................................ 2
Power Up Mode ................................. 21
Units with Aquazone Complete C Control ....... 21
INSTALLATI
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Follow all safety codes. Wear safety glasses and work Step 2 — Check Unit — Upon receipt of shipment at gloves. Use quenching cloth for brazing operations. Have fire the jobsite, carefully check the shipment against the bill of extinguisher available. Read these instructions thoroughly and lading. Make sure all units have been received. Inspect the car- follow all warnings or cautions attached to the unit. Consult ton or crating of each unit, and inspect each unit for damage. local building code
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3. Do not remove the packaging until the unit is ready for installation. 4. Verify that the refrigerant tubing is free of kinks or dents, DO NOT store or install units in corrosive environments or and that it does not touch other unit components. in locations subject to temperature or humidity extremes 5. Inspect all electrical connections. Be sure connections are (e.g., attics, garages, rooftops, etc.). Corrosive conditions clean and tight at the terminals. and high temperature or humidity can
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WATER ELECTRICAL KNOCKOUTS (in.) CONNECTIONS OVERALL DISCHARGE CONNECTION RETURN CONNECTION CABINET Duct Flange Installed (±0.10 in.) Using Return Air Opening J K L 50RHE 12 3 Loop 1 1 3 / conduit / conduit / conduit 2 2 4 UNITS Water F L M P Q FPT A B C D E Low Ext Power Cond- JK Supply Supply NO Return Return RS (in.) Width Depth Height In Out Voltage Pump Supply ensate Height Depth Depth Height in. 22.4 43.1 11.3 2.4 5.4 0.6 3.5 5.5 8.2 5.8 4.0 5.8 8.0 5.8 1.5 17.1 9.3 2.2 1.0 1 006-012 / 2 c
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ReturnLoop 3/8” threaded rods Supply Loop (by others) Water In Filter Access Water Out Return Air (Ductwork not shown) Thermostat Wiring Field-supplied transition to Power Wiring Balancing Valve (Field minimize pressure loss installed and calibrated Field-supplied accessory) stainless steel Supply Air braid hose Low Pressure Drop Water with integral Control Valve (optional) “J” swivel (field-installed accessory) Unit Power Flexible Connection Insulated supply duct with Water Out Unit Power at le
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Remove Screws Water Step 3 — Unit Location — The following guidelines Connection End should be considered when choosing a location for a WSHP unit: Return Air Units are for indoor use only Locate in areas where ambient temperatures are between 4.4 C and 37.8 C and relative humidity is no greater than 75% Provide sufficient space for water, electrical and duct connections Side Discharge Locate unit in an area that allows easy access and Water removal of filter and access panels Connection
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Step 4 — Mounting the Unit — Horizontal units Step 6 — Condensate Drain — Slope the unit to- should be mounted using the factory-installed hangers. Proper ward the drain at a 6.5 mm per 30 cm pitch. See Fig. 6. If it is attachment of hanging rods to building structure is critical for not possible to meet the required pitch, install a condensate safety. See Fig. 2 and 5. Rod attachments must be able to sup- pump at the unit to pump condensate to building drain. port the weight of the unit. See Ta
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In addition to complying with any applicable codes, consid- Step 7 — Piping Connections — Depending on the er the following for system piping: application, there are 3 types of WSHP piping systems to choose from: water loop, ground-water and ground loop. Refer Piping systems using water temperatures below 10 C to Piping Section of Carrier System Design Manual for addi- require 12.7 mm closed cell insulation on all piping tional information. surfaces to eliminate condensation. Avoid all plast
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Water Supply and Quantity — Check water supply. Water Step 8 — Electrical Wiring supply should be plentiful and of good quality. See Table 2 for water quality guidelines. IMPORTANT: Failure to comply with the above required To avoid possible injury or death due to electrical shock, water quality and quantity limitations and the closed- open the power supply disconnect switch and secure it in system application design requirements may cause damage an open position during installation. to the tube
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CXM CXM G/Y PB START ASSIST 6 (WHEN NEEDED) G/Y EARTH (GRD) 5 POWER SUPPLY RED* BLU* REFER TO 4 CAP DATA PLATE YEL RED BLU S 3 USE COPPER C 68 RED N (NEUTRAL) R CONDUCTORS 2 RED CR BLK 24 ONLY L 1 COMPRESSOR BLK BLK 24 BR CAPACITOR YEL 68 BRN PSC ( ) L 3 YEL OR WHT BLU FAN M(2) MTR H(1) SEE NOTE 3 3 AIR FLOW SETTINGS CB* TRANS YEL BLK (FCTRY SETTING - MED) RED 24V SEE NOTE 8 COMPONENT LOCATION 220V BLU G/Y ORG 240V CR SEE CAP NOTE 7 10 CR BR BR BRN GRY YEL BRN SEE NOTE 7 CC BR BRG CCG PB C TEST
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CXM PB 6 G/Y G/Y G/Y EARTH (GND) 5 GROUND POWER SUPPLY LUG N (NEUTRAL) 4 REFER TO L3 T3 BLK BLK DATA PLATE L3 3 T3 USE COPPER CC COMPR. CONDUCTORS T1 COMPONENT LOCATION BLK L2 T2 BLK L2 2 ONLY T2 CC BLK L1 T1 BLK L1 1 LUG T3 BLK BLK CC T2 BLK T1 YEL BR2 BLK H 8 6 SEE NOTE 3 BLU YEL OR M BM CB* TRANS BLK WHT 7 RED L BR1 RED BRN (220V) ORG SEE NOTE 8 BR2 (240V) PB SEE NOTE 7 10 CC BR BRN YEL GRY BRN SEE TRANS NOTE 7 CC BR BRG CCG C TEST PINS COMPRESSOR R 1 RED RELAY HP SEE NOTE 5 HP 2 RED TYPICAL
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SEE NOTE 8 POWER G/Y DISTRIBUTION PB START ASSIST BLOCK 6 (WHEN NEEDED) G/Y EARTH (GRD) 5 RED* BLU* POWER SUPPLY REFER TO 4 CAP DATA PLATE YEL RED BLU S 3 USE COPPER C 68 RED CONDUCTORS R N (NEUTRAL) 2 RED ONLY CR 24 BLK L 1 COMPRESSOR BLK BLK CR 24 BLK YEL BR1 YEL SEE NOTE 3 BR2 BLK CB 68 TRANS NO COM BLK YEL OR WHT BLU RED NC BMC BR1 RED 24V ( ) 220V BRN BR2 YEL BLU ORG ( ) 240V BRN BRN SIZES: 006, 009, 012 RED SEE SEE NOTE 7 RED NOTE 7 0 BR1 C FAN ENABLE TYPICAL HEAT RC S S C RELAY 1 PUMP T-S
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PB 6 COMPONENT LOCATION G/Y G/Y G/Y EARTH (GND) 5 LUG GROUND T3 LUG POWER SUPPLY 4 N (NEUTRAL) CC T2 REFER TO L3 T3 T1 BLK BLK DATA PLATE L3 3 T3 USE COPPER CC COMPR. CONDUCTORS BLK L2 T2 BLK T1 L2 2 ONLY T2 CC BLK L1 T1 BLK BR1 L1 1 BLK BLK BLK BR2 PB BR1 BR2 YEL YEL BLK H 8 68 6 YEL OR BLU BM M CB BLK YEL YEL WHT 7 BMC RED L BRN RED 24V TRANS (220V) BLU ORG SEE NOTE 8 (240V) BRN BRN RED SEE RED NOTE 7 SEE 0 NOTE 7 BR1 C FAN ENABLE RCS TYPICAL HEAT S C 1 RELAY PUMP T-STAT COM2 COM1 COM SEE NOTE
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Table 3 — Electrical Data COMPRESSOR FAN TOTAL MIN 50RHE VOLTS-PHASE VOLTAGE MAX MOTOR UNIT CIRCUIT UNIT (50 Hz) MIN/MAX FUSE/HACR RLA LRA FLA FLA AMP 006 220/240-1 197/254 2.3 15.0 0.4 2.7 3.2 15 009 220/240-1 197/254 2.7 18.8 0.7 3.7 4.5 15 012 220/240-1 197/254 3.9 22.2 0.7 4.5 5.6 15 015 220/240-1 197/254 4.2 27.0 0.9 5.9 7.1 15 019 220/240-1 197/254 6.8 45.0 0.9 8.6 10.5 15 024 220/240-1 197/254 8.2 51.0 1.6 10.4 12.6 20 220/240-1 197/254 9.1 54.0 1.7 11.2 13.6 20 030 380-415-3 342/462 3.3
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PSC (PERMANENT SPLIT CAPACITOR) BLOWER SPEED CONNECT THE BLUE WIRE TO: H FOR HIGH SPEED FAN SELECTION — All Water Source Heat Pumps are factory set M FOR MEDIUM SPEED FAN to deliver rated airflow at nominal static (37 Pa) on medium L FOR LOW SPEED FAN speed. Where higher static is needed, high speed can be BLU utilized (100 to 125 Pa). Low speed will deliver approximately 85% of rated airflow (25 Pa). The PSC blower fan speed can MEDIUM FACTORY SETTING be changed on all units by swapping wires c
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Step 9 — Low Voltage Wiring (See Fig. 15) BR BRG CCG CC THERMOSTAT CONNECTIONS — The thermostat should Comp Relay Off On CLIP JW2-FP2 be wired directly to the Aquazone™ control board. See C JUMPER FOR Test Fig. 9-12. ANTI-FREEZE P2 SYSTEMS 1 HP WATER FREEZE PROTECTION — The Aquazone control R HP FP1 Low Temp CLIP JW3 JW3 LP FP2 Low Temp allows the field selection of source fluid freeze protection points JW2 FOR LP FP1 FREEZE through jumpers. The factory setting of jumper JW3 (FP1) is set FP1 PRO
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AIR COIL — To obtain maximum performance, clean the air D Control DIP Switches — The D Control has 2 DIP coil before starting the unit. A ten percent solution of dish- switch blocks. Each DIP switch block has 8 switches and is washing detergent and water is recommended for both sides of labeled either S1 or S2 on the circuit board. See Fig. 11 and 12. the coil. Rinse thoroughly with water. DIP SWITCH BLOCK 1 (S1) — This set of switches offers the following options for D Control configuration: FI
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Table 5 — DIP Switch Block S2 — Accessory 1 Relay Options DIP SWITCH POSITION ACCESSORY 1 To avoid equipment damage, DO NOT leave system filled RELAY OPTIONS in a building without heat during the winter unless anti- 123 freeze is added to system water. Condenser coils never Cycle with Fan On On On fully drain by themselves and will freeze unless winterized Digital NSB Off On On with antifreeze. Water Valve — Slow Opening On Off On OAD On On Off START-UP LEGEND Use the procedure outlined below to
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Scroll Compressor Rotation — It is important to be Unit Start-Up Heating Mode certain compressor is rotating in the proper direction. To NOTE: Operate the unit in heating cycle after checking the determine whether or not compressor is rotating in the proper cooling cycle. Allow five minutes between tests for the pres- direction: sure or reversing valve to equalize. 1. Connect service gages to suction and discharge pressure 1. Turn thermostat to lowest setting and set thermostat fittings. switch
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Table 9 — Typical Unit Operating Pressures and Temperatures COOLING HEATING ENTERING WATER WATER Suction Discharge Super- Sub- Water Temp Air Temp Suction Discharge Super- Sub- Air FLOW Water Temp TEMP (C) Pressure Pressure heat cooling Rise Drop (C) Pressure Pressure heat cooling Temp (l/s per kW) Drop (C) DB (EWT) (kPa) (kPa) (C) (C) (C) DB (kPa) (kPa) (C) (C) Rise (C) 0.027 225-254 269-314 14-22 7-11 12-13 12-14 102-117 499-556 7- 9 1-2 4-5 8-11 –1 0.041 222-251 239-284 14-22 6-10 7- 9 12-14
