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AQUAZONE™
50RHC,RVC,RHR,RHS,
RVR,RVS,RDS006-060
Water Source Heat Pump Units
Installation, Start-Up, and
Service Instructions
CONTENTS Page
Flushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Page
Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . .1,2
Cooling Tower/Boiler Systems . . . . . . . . . . . . . . . . . . 36
GENERAL . . . . . . . . . . . . . . . .
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Follow all safety codes. Wear safety glasses and work adequate space around the unit for servicing. See Fig. 1-3 for gloves. Use quenching cloth for brazing operations. Have fire overall unit dimensions. Refer to Fig. 4 for an illustration of a extinguisher available. Read these instructions thoroughly and typical horizontal installation. follow all warnings or cautions attached to the unit. Consult VERTICAL AND DOWNFLOW UNITS (50RVC,RVR, local building codes and the National Electrical Code (NE
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STORAGE — If the equipment is not needed immediately at INSPECT UNIT — To prepare the unit for installation, com- the jobsite, it should be left in its shipping carton and stored in a plete the procedures listed below: clean, dry area of the building or in a warehouse. Units must be 1. Compare the electrical data on the unit nameplate with stored in an upright position at all times. If carton stacking is ordering and shipping information to verify that the necessary, stack units a maximum of 3 h
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Table 1 — Physical Data — Aquazone™ 50RHC,RVC006-060 Units UNIT 50RHC,RVC 006* 009 012 018 024 030 COMPRESSOR (1 each) Rotary Reciprocating FACTORY REFRIGERANT CHARGE R-22 — 1414263837 VERTICAL (oz) FACTORY REFRIGERANT CHARGE R-22 14 14 14 25 38 37 HORIZONTAL (oz) PSC FAN MOTOR AND BLOWER Fan Motor Type/Speeds PSC/3 PSC/3 PSC/3 PSC/3 PSC/3 PSC/3 1 1 1 1 1 1 3 3 3 Fan Motor Std/High Static (Hp) / /— / /— / /— / / / / / / / / / 25 10 10 8 6 4 4 4 4 Blower Wheel Size (D x W) (in.) Std/High Static
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Table 2 — Physical Data — Aquazone™ 50RHR,RVR006-060 Units UNIT 50RHR,RVR 006* 009 012 015 019 024 030 036 042 048 060 COMPRESSOR (1 each) Rotary Reciprocating Scroll FACTORY CHARGE R-22 (oz) 12 15 15 30 30 30 41 44 46 54 80 PSC FAN MOTOR AND BLOWER Fan Motor Type/Speeds PSC/3 PSC/3 PSC/3 PSC/3 PSC/3 PSC/3 PSC/3 PSC/3 PSC/3 PSC/3 PSC/3 1 1 1 1 1 1 1 3 3 3 Fan Motor (Hp) / / / / / / / / / / 1 25 10 10 6 5 3 2 4 4 4 Blower Wheel Size (D x W) (in.) 5 x 5 5 x 5 6 x 5 9 x 7 9 x 7 9 x 7 9 x 7 10 x 10
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WATER CONNECTIONS ELECTRICAL KNOCKOUTS (in.) DISCHARGE CONNECTION RETURN CONNECTION OVERALL CABINET H J K Duct Flange Installed (±0.10 in.) Using Air Coil Opening 1 — In 2 — Out 1 1 3 / conduit / conduit / conduit 50RHC 2 2 4 UNITS M N Q R A B C Power D E F G Therm Ext Pump L Supply Supply OP Return Return ST Width Depth Height Supply Height Depth Depth Height in. 19.1 34.1 11.0 9.6 0.8 1.8 0.8 8.1 5.1 2.1 0.8 8.9 6.7 5.2 1.3 16.1 9.8 1.1 0.6 006-012 cm 48.5 86.6 27.9 24.4 2.0 4.4 2.0 20.6 13.0
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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 G H I 50RHR 12 3 1 1 3 Loop / conduit / conduit / conduit 2 2 4 UNITS Water F L M P Q FPT A B C D E Ext Power Cond- Therm JK Supply Supply NO Return Return RS (in.) Width Depth Height In Out 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 cm 56.8
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WATER CONNECTIONS ELECTRICAL KNOCKOUTS (in.) DISCHARGE CONNECTION RETURN CONNECTION OVERALL CABINET G H I Duct Flange Installed (±0.10 in.) Using Air Coil Opening 12 3 Loop 1 1 3 / conduit / conduit / conduit 50RHS HWG 2 2 4 Water UNITS FPT F L M P Q FPT A B C D E Power (in.) Cond- Therm Ext Pump JK Supply Supply NO Return Return RS (in.) Width Depth Height In Out Supply ensate Height Depth Depth Height in. 22.4 53.2 19.3 2.4 5.4 0.6 5.7 9.7 12.2 5.0 6.8 10.4 9.3 5.0 2.1 23.1 17.3 2.2 1.0 3 1 01
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UNIT HANGER ISOLATION DETAIL Fig. 4 — Typical Installation — 50RHC,RHR,RHS Units 9
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WATER CONNECTIONS ELECTRICAL KNOCKOUTS (in.) DISCHARGE CONNECTION RETURN CONNECTION OVERALL CABINET J K L Duct Flange Installed (±0.10 in.) Using Air Coil Opening 12 3 1 1 3 / conduit / conduit / conduit 50RVC Water 2 2 4 UNITS FPT DE FG H I O P S T A B C Ext. Power Size Therm MN Supply Supply QR Return Return U Width Depth Height Pump Supply In Out Condensate Width Depth Depth Height in. 19.1 19.1 22.0 1.4 2.8 9.4 2.8 6.1 2.3 1/2 2.9 5.9 8.9 8.9 5.1 9.0 9.0 5.5 2.1 16.2 9.9 0.7 009-012 cm 48.5
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Front WATER CONNECTIONS ELECTRICAL KNOCKOUTS (in.) DISCHARGE CONNECTION RETURN CONNECTION OVERALL CABINET G H I Duct Flange Installed (±0.10 in.) Using Air Coil Opening 12 3 Loop 1 1 3 50RVR / conduit / conduit / conduit 2 2 4 Water UNITS F L M P Q FPT A B C D E Power Cond- Therm Ext Pump JK Supply Supply NO Return Return R (in.) Width Depth Height In Out Supply ensate Height Depth Depth Height in. 22.4 21.6 22.6 2.6 5.4 7.8 3.5 5.5 8.2 10.6 6.8 5.8 8.0 6.0 2.2 17.1 9.3 1.0 1 009-012 / 2 cm 56.8
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Front WATER CONNECTIONS ELECTRICAL KNOCKOUTS (in.) DISCHARGE CONNECTION RETURN CONNECTION OVERALL CABINET G H I Duct Flange Installed (±0.10 in.) Using Air Coil Opening 12 3 Loop 1 1 3 50RVS / conduit / conduit / conduit 2 2 4 HWG Water UNITS FPT F L M P Q FPT A B C D E Power (in.) Cond- Therm Ext Pump JK Supply Supply NO Return Return R (in.) Width Depth Height In Out Supply ensate Height Depth Depth Height in. 22.4 25.6 40.6 2.4 5.4 9.7 5.7 9.7 12.2 7.2 5.8 14.0 14.0 4.3 2.2 21.1 19.2 1.0 3 1
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WATER CONNECTIONS (in.) ELECTRICAL KNOCKOUTS (in.) DISCHARGE CONNECTION RETURN CONNECTION OVERALL CABINET J K L Outlet Opening Only Using Return Air Opening 12 3 4 5 1 1 3 Loop / conduit / conduit / conduit 50RDS 2 2 4 HWG Water UNITS FPT F G H O P S T FPT A B C D E (in.) Ext Power HWG HWG Cond- Therm MN Supply Supply QR Return Return U (in.) Width Depth Height In Out Pump Supply In Out ensate Width Depth Depth Height in. 22.4 25.6 44.6 16.9 13.9 5.4 2.4 3.5 13.6 9.7 7.2 6.1 8.2 10.4 9.3 11.0 2.
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Supply Air conversion process is the same for right and left return configu- rations. See Fig. 11 and 12. Building NOTE: It is not possible to convert return air between left or Loop Flexible Connection right return models in the field due to refrigerant piping Water changes. Out Return Preparation — The unit should be on the ground in a well lit Air Water area for conversion. Hung units should be taken down to In Balancing Valve (field installed ground level before converting. and calibrated
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Water vibration absorption pad slightly larger than the entire base to Connection End minimize vibration transmission. It is not necessary to mount Return Air the unit on the floor. See Fig. 14. NOTE: Some codes require the use of a secondary drain pan under vertical units. Check local codes for more information. Supply Duct Step 5 — Duct System — Size the duct system to han- dle the design airflow quietly. Side Discharge Water NOTE: Depending on the unit, the fan wheel may have a ship- Connect
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VENTING — Install a vent in the condensate line of any Step 6 — Condensate Drain application that may allow dirt or air to collect in the line. Con- HORIZONTAL UNITS (50RHC,RHR,RHS) — Slope the sider the following: 1 unit toward the drain at a / in. drop at drain end. See Fig. 15. 4 • Always install a vent where an application requires a If it is not possible to meet the required pitch, install a conden- long horizontal run. sate pump at the unit to pump condensate to building drain. • Always
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Water Supply and Quantity — Check water supply. Water GROUND-LOOP APPLICATIONS (Not Applicable to supply should be plentiful and of good quality. See Table 4 for 50RHC,RVC Units) — Temperatures between 25 to 110 F water quality guidelines. and a cooling capacity of 2.25 to 3 gpm of flow per ton is rec- ommended. In addition to complying with any applicable IMPORTANT: Failure to comply with the above required codes, consider the following for system piping: water quality and quantity limitations
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Determine maximum deviation from average voltage: Step 8 — Field Power Supply Wiring (AB) 457 – 452 = 5 v (BC) 464 – 457 = 7 v (AC) 457 – 455 = 2 v To avoid possible injury or death due to electrical shock, Maximum deviation is 7 v. open the power supply disconnect switch and secure it in Determine percent voltage imbalance. an open position during installation. 7 % Voltage Imbalance = 100 x 457 = 1.53% Use only copper conductors for field-installed electrical wiring. Unit terminals are not desi
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a50-8160 LEGEND AL — Alarm Relay Contacts LOC — Loss of Charge Pressure Switch Relay/Contactor Coil BM — Blower Motor MV — Motorized Valve BMC — Blower Motor Capacitor NEC — National Electrical Code BR — Blower Relay P1 — Field Wiring Terminal Block Condensate Pan CB — Circuit Breaker PM — Performance Monitor CC — Compressor Contactor RV — Reversing Valve Coil Solenoid Coil CO — Sensor, Condensate Overflow TRANS — Transformer Temperature Switch COMPR — Compressor TXV — Thermostatic Expansion Val
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a50-8161 LEGEND AL — Alarm Relay Contacts MV — Motorized Valve Relay/Contactor Coil BM — Blower Motor NEC — National Electrical Code BMC — Blower Motor Capacitor P1 — Field Wiring Terminal Block BR — Blower Relay RVS — Reversing Valve Solenoid Condensate Pan CB — Circuit Breaker TRANS — Transformer CC — Compressor Contactor TXV — Thermostatic Expansion Valve Solenoid Coil CO — Sensor, Condensate Overflow Field Line Voltage Wiring Thermistor COMPR — Compressor Field Low Voltage Wiring FP1 — Senso
