Page 2 - Table 1 — 50KQL Physical Data
2 GENERAL These instructions are for Carrier Console Water Source Heat Pump systems. Console Water Source Heat Pump units are decentralized room terminals designed for field connection to a closed-circuitpiping loop. They are offered in capacities ranging from 7,800to 16,000 Btuh cooling and 10,400 ...
Page 3 - Fig. 1B — 50KQL Piping Detail — Left Hand Configuration; Power Supply; Fig. 1A — 50KQL Piping Detail — Right Hand Configuration
3 Fig. 1B — 50KQL Piping Detail — Left Hand Configuration *For installed dimension, add to dimension shown 2.9 in. for 3 in. subbase and 4.9 in. for 5 in. subbase.NOTES:1. Dimensions shown are in inches. Dimensions in parentheses are in millimeters.2. Optional autoflow valve, motorized water valve a...
Page 4 - Fig. 2 — 50KQL Bottom Return Cabinet Dimensions — Right-Hand Piping
4 Fig. 2 — 50KQL Bottom Return Cabinet Dimensions — Right-Hand Piping Notes:1. Dimensions shown are in inches. Dimensions in parentheses are in millimeters. Shown is 76mm subbase. Add 50.8mm to dimension shown for 127mm subbase. 2. Optional autoflow valve, motorized water valve and disconnect box ar...
Page 5 - Fig. 3 — 50KQL Bottom Return Cabinet Dimensions — Left-Hand Piping
5 Fig. 3 — 50KQL Bottom Return Cabinet Dimensions — Left-Hand Piping 11.5 (292) *2.9(74) 3.5 (88.9) (607) DAMPER OPENING* 48.0 (1219) 1.63 (41) 11.75 (298) 9.9 (251) 0.59 (15) 21.0 (533) *2.9(74) REAR VIEW Air Inlet Discharge Air (305) BOTTOM VIEW 12.6 (320) FRONT VIEW Control Access Door AIR INLET ...
Page 6 - Fig. 4 — 50KQL Front Return Cabinet Dimensions — Right-Hand Piping
6 Fig. 4 — 50KQL Front Return Cabinet Dimensions — Right-Hand Piping Notes:1. All dimensions are shown in inches. Dimensions in parentheses are in millimeters.2. Optional autoflow valve, motorized water valve and disconnect box are shown. 3.5 (88.9) (533) 21.0 (533) REAR VIEW Discharge Air REAR ACCE...
Page 7 - Fig. 5 — 50KQL Front Return Cabinet Dimensions — Left-Hand Piping
7 Fig. 5 — 50KQL Front Return Cabinet Dimensions — Left-Hand Piping Notes:1. All dimensions are shown in inches. Dimensions in parentheses are in millimeters.2. Optional autoflow valve, motorized water valve and disconnect box are shown. 30 ° 3.5 (88.9) (533) 21.0 (533) REAR VIEW Discharge Air REAR ...
Page 8 - LEFT HAND CONFIGURATION; RIGHT HAND CONFIGURATION
8 Fig. 6 — 50KQL07-19 Chassis Dimensions LEFT HAND CONFIGURATION Notes:* For installed dimension, add to dimension shown 74mm with 76mm subbase and 124mm for 127mm subbase. 1. Dimensions shown are in inches. Dimensions in parentheses are in millimeters.2. Optional autoflow valve, motorized water val...
Page 9 - Step 2 — Check Unit —; Store; Step 3 — Mounting the Unit; Table 2 — Electrical Data — 50KQE Units; Fig. 7 — Remove 4 Shipping Bolts on
9 Step 2 — Check Unit — Upon receipt of shipment at the jobsite, carefully check the shipment against the bill of lad-ing. Make sure all units have been received. Inspect the cartonor crating of each unit, and inspect each unit for damage. En-sure the shipping company makes proper notation of any sh...
Page 10 - Step 5 — Low Voltage Wiring; only; Table 3 — Recommended Thermostat Wire Sizes; WIRE SIZE; Fig. 9 — Typical Aquazone Control Board
10 Step 5 — Low Voltage Wiring WATER FREEZE PROTECTION — The Aquazone™ con-trol allows the field selection of source fluid freeze protectionpoints through jumpers. The factory setting of jumper JW3(FP1) is set for water at 30 F. In earth loop applications, jumperJW3 should be clipped to change the s...
Page 11 - Fig. 11 — Manual Changeover with Complete C Controller Wiring
11 Fig. 11 — Manual Changeover with Complete C Controller Wiring SEENOTE 7 BRN YEL BRNBRN BLU SEENOTE 7 CR YEL BRN BR BRG CCG CC YEL YEL RED 6A RED 5A RED 5 RED GRY RED RED PBS REDRED ORG BRN BR2 BR1 YEL 2A 2 3 3A YEL UMT 2 3 1 6 7A BRN 7 YEL RED YEL YEL ORG BRN DM WV 1 1A 1B R Y COMPLETE C CONTROL ...
Page 12 - Fig. 12 — Manual Changeover with Deluxe D Controller Wiring
12 Fig. 12 — Manual Changeover with Deluxe D Controller Wiring FP2 CAP PB DELUXE DCONTROL BR 2(HI) UMT PBS OS GROUNDLOG TRANSFORMER CR BR 1(LO) S JW1LP TEST PINS JW2FP2 JW3FP1 LOW LOW N.O. ACC1FUNCTIONS ACC2FUNCTIONS H: HI FAN/DEHUMIDNOT USED OFFON S2 DIP SWITCH PACKAGE S1 DIP SWITCH PACKAGE OFFON P...
Page 13 - Fig. 13 — Automatic Changeover with Complete C Controller Wiring
13 COMPLETE C CONTROL UMT BR1 BR2 PBS CR CAP PB GROUND TRANSFORMER RED 3 4 BRN YEL YEL YEL RED 6A 5A RED 5 RED RED PBS RED RED ORG BRN YEL 5 3A UMT 2 3 1 6 7A BRN 7 YEL YEL ORG 6 DM ORG RED BRN BRNBRN YEL BR1 BR2 BLU WV SEENOTE 7 BR BRG CCG R Y Y W O G R C AL1 AL2 A P1 ALARM RELAY C SEENOTE 6 JW1 JW...
Page 14 - Fig. 14 — Automatic Changeover with Deluxe D Controller Wiring
14 DELUXE DCONTROL FP2 HP LOC FP1 SEE NOTE 4 CO RVS R C SEENOTE 7 P1 COM2 COM1 JW1LP TEST PINS JW2FP2 JW3FP1 LOW LOW N.O. ACC1FUNCTIONS H: HI FAN/DEHUMIDNOT USED S2 DIP SWITCH PACKAGE S1 DIP SWITCH PACKAGE OFFON PM: DISABLE/ENABLEUNIT STAGE: 2/1T’STAT: HEAT COOL/HEAT PUMPRV ON B/RV ON ODEHUMID/NORMA...
Page 16 - Fig. 16 — Remote Mounted Thermostat with Deluxe D Controller Wiring
16 AL — Alarm Relay Contacts BR — Blower Relay CAP — Capacitor CB — Circuit Breaker CO — Sensor, Condensate Overflow CR — Compressor Relay DM — Damper Motor FP1 — Sensor, Water Coil Freeze Protection FP2 — Sensor, Air Coil Freeze Protection FSS — Fan Speed Switch HP — High-Pressure Switch JW1 — Jump...
Page 17 - PREMIERLINKTM CONTROLLER APPLICATIONS WITH COMPLETE C CONTROL; Fig. 17 — Typical PremierLink Control Wiring
17 Y W O G R C AL1 AL2 A CR CMP1 FAN PWR HS1/EXH/RVS PREMIER LINK CR COMPLETE C CONTROL J4 J6 J5 J8 J1 PWR S P SA L W CMPSAFE T T T Y1 G R C AL1 CMP1 FAN PWR PREMIER LINK DELUXE D CONTROL J4 J8 J1 PWR CMPSAFE HS2 HS1 CMP2 Y2 W1 O/W2 J6 J5 S P T SAT L W T PREMIERLINK™ CONTROLLER APPLICATIONS WITH COM...
Page 19 - System Checkout —; Table 4 — Air and Water Limits; Fig. 18 — Temporary Connection for Flushing System Piping
19 . Circulate the solution for a minimum of 8 to 24 hours. Atthe end of this period, shut off the circulating pump anddrain the solution. Repeat system cleaning as necessary. 9. When the cleaning process is complete, remove the short- circuited hoses. Connect the hoses to the proper supplyand retur...
Page 20 - Table 5 — Water Quality Guidelines; FIELD SELECTABLE INPUTS; The D Control
20 Table 5 — Water Quality Guidelines *If the concentration of these corrosives exceeds the maximum allow- able level, then the potential for serious corrosion problems exists. †Sulfides in the water quickly oxidize when exposed to air, requiring that no agitation occur as the sample is taken. Unles...
Page 21 - Operating Limits
21 Boilerless Changeover Temperature — Switch 8 on S1 pro-vides selection of boilerless changeover temperature set point.Select OFF for set point of 50 F or select ON for set point of40 F. If switch 8 is set for 50 F, then the compressor will be used for heating as long as the FP1 is above 50 F. The...
Page 22 - Table 8 — Coaxial Water Pressure Drop; Cv; MOPD —
22 POWER SUPPLY — A voltage variation of ± 10% of name-plate utilization voltage is acceptable.50KQL UNIT STARTING CONDITIONS — The 50KQLunits will start and operate at an ambient temperature of 50 Fwith entering-air temperature at 50 F, entering water at 60 F,and with both air and water at the flow...
Page 23 - Table 10 — Antifreeze Percentages by Volume; OPERATION; The unit will not operate until all the; Units with AquazoneTM Complete C Control; Output EH2 will be off if FP1’s temperature is greater than; SYSTEM TEST; System testing provides the ability to check the control
23 Table 9 — Approximate Fluid Volume (gal) per 100 ft of Pipe LEGEND NOTE: Volume of heat exchanger is approximately 1.0 gallon. Table 10 — Antifreeze Percentages by Volume OPERATION Power Up Mode — The unit will not operate until all the inputs, terminals and safety controls are checked for normal...
Page 24 - Test Mode —; To enter Test mode on Complete C or; Retry Mode —; In Retry mode, the status LED will start to; Table 11 — Complete C Control Current LED; There are 3 LED indicators on the D Control:
24 Test Mode — To enter Test mode on Complete C or Deluxe D controls, cycle the power 3 times within 60 seconds.The LED (light-emitting diode) will flash a code representingthe last fault when entering the Test mode. The alarm relay willalso power on and off during Test mode. See Tables 11-13. Toexi...
Page 26 - Fig. 19 — Gravity Flow Method
26 SERVICE Perform the procedures outlined below periodically, as indicated. Unit Inspection — Visually inspect the unit at least once a month. Pay special attention to hose assemblies. Repair anyleaks and replace deteriorated hoses immediately. Note anysigns of deterioration or cracking. System Flu...
Page 27 - Fig. 20 — Forced Circulation Method
27 For average scale deposit, allow solution to remain in con- denser overnight. For heavy scale deposit, allow 24 hours.Drain condenser and flush with clean water. Follow acid manu-facturer’s instructions. Condensate Pans — Check condensate drain pans for algae growth every three months. If algae g...
Page 28 - Table 14 — Troubleshooting
28 Table 14 — Troubleshooting LEGEND FAULT HEATING COOLING POSSIBLE CAUSE SOLUTION Main Power Problems X X Green Status LED Off Check line voltage circuit breaker and disconnect.Check for line voltage between L1 and L2 on the contactor.Check for 24 vac between R and C on controller.Check primary/sec...
Page 32 - HEATING CYCLE ANALYSIS
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 535-00144 Printed in U.S.A. Form 50KQL-1SI Pg CL-2 3-04 Replaces: 50KQ-6SI Book 1 4 Tab 5a 5a Copyright 2004 Carrier Cor poration - -- ------...