Carrier AQUAZONE 50KQL07-19- Installation Manual

Carrier AQUAZONE 50KQL07-19

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Table of Contents:

  • Page 2 – Table 1 — 50KQL Physical Data
  • Page 3 – Fig. 1B — 50KQL Piping Detail — Left Hand Configuration; Power Supply; Fig. 1A — 50KQL Piping Detail — Right Hand Configuration
  • Page 4 – Fig. 2 — 50KQL Bottom Return Cabinet Dimensions — Right-Hand Piping
  • Page 5 – Fig. 3 — 50KQL Bottom Return Cabinet Dimensions — Left-Hand Piping
  • Page 6 – Fig. 4 — 50KQL Front Return Cabinet Dimensions — Right-Hand Piping
  • Page 7 – Fig. 5 — 50KQL Front Return Cabinet Dimensions — Left-Hand Piping
  • Page 8 – LEFT HAND CONFIGURATION; RIGHT HAND CONFIGURATION
  • 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
  • Page 10 – Step 5 — Low Voltage Wiring; only; Table 3 — Recommended Thermostat Wire Sizes; WIRE SIZE; Fig. 9 — Typical Aquazone Control Board
  • Page 11 – Fig. 11 — Manual Changeover with Complete C Controller Wiring
  • Page 12 – Fig. 12 — Manual Changeover with Deluxe D Controller Wiring
  • Page 13 – Fig. 13 — Automatic Changeover with Complete C Controller Wiring
  • Page 14 – Fig. 14 — Automatic Changeover with Deluxe D Controller Wiring
  • Page 16 – Fig. 16 — Remote Mounted Thermostat with Deluxe D Controller Wiring
  • Page 17 – PREMIERLINKTM CONTROLLER APPLICATIONS WITH COMPLETE C CONTROL; Fig. 17 — Typical PremierLink Control Wiring
  • Page 19 – System Checkout —; Table 4 — Air and Water Limits; Fig. 18 — Temporary Connection for Flushing System Piping
  • Page 20 – Table 5 — Water Quality Guidelines; FIELD SELECTABLE INPUTS; The D Control
  • Page 21 – Operating Limits
  • Page 22 – Table 8 — Coaxial Water Pressure Drop; Cv; MOPD —
  • 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
  • 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:
  • Page 26 – Fig. 19 — Gravity Flow Method
  • Page 27 – Fig. 20 — Forced Circulation Method
  • Page 28 – Table 14 — Troubleshooting
  • Page 32 – HEATING CYCLE ANALYSIS
Loading the manual

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 1

3-04

Replaces: 50KQ-6SI

Book 1

4

Tab

5a 5a

Installation, Start-Up and Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . . . . 1

GENERAL

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-18

Step 1 — Check Jobsite

. . . . . . . . . . . . . . . . . . . . . . . . . . 2

Step 2 — Check Unit

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

• STORAGE
• UNIT PROTECTION

Step 3 — Mounting the Unit

. . . . . . . . . . . . . . . . . . . . . . . 9

Step 4 — Electrical Wiring

. . . . . . . . . . . . . . . . . . . . . . . . 9

• SUPPLY VOLTAGE
• EXTERNAL LOOP POWER CONNECTION

• 230-VOLT OPERATION

Step 5 — Low Voltage Wiring

. . . . . . . . . . . . . . . . . . . . 10

• WATER FREEZE PROTECTION
• ACCESSORY CONNECTIONS
• WATER SOLENOID VALVES
• OPTIONAL WALL-MOUNTED THERMOSTAT
• OPTIONAL PREMIERLINK CONTROLLER

Step 6 — Supply and Return Piping Installation

. . . 18

• SUPPLY AND RETURN HOSES
• SUPPLY AND RETURN PIPING

Step 7 — Condensate Piping Installation

. . . . . . . . . . 18

PRE-START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18-20

System Cleaning and Flushing

. . . . . . . . . . . . . . . . . . . 18

System Checkout

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

FIELD SELECTABLE INPUTS

. . . . . . . . . . . . . . . . . . 20,21

Complete C Control Jumper Settings

. . . . . . . . . . . . . 20

Complete C Control DIP Switches

. . . . . . . . . . . . . . . . 20

Deluxe D Control Jumper Settings

. . . . . . . . . . . . . . . . 20

Deluxe D Control DIP Switches

. . . . . . . . . . . . . . . . . . . 20

Deluxe D Control Accessory

Relay Configurations

. . . . . . . . . . . . . . . . . . . . . . . . . . 21

START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21-23

Unit Start-Up/Cooling

. . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Operating Limits

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Unit Start-Up/Heating

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Flow Regulation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Antifreeze

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Cooling Tower/Boiler Systems

. . . . . . . . . . . . . . . . . . . 22

Ground Coupled, Closed Loop and Plateframe

Heat Exchanger Well Systems

. . . . . . . . . . . . . . . . . 22

OPERATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Power Up Mode

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Units with Aquazone Complete C Control

. . . . . . . . . 23

Units with Aquazone Deluxe D Control

. . . . . . . . . . . 23

SYSTEM TEST

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23-25

Test Mode

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Retry Mode

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Aquazone Deluxe D Control LED Indicators

. . . . . . . 24

SERVICE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26,27

Unit Inspection

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

System Flushing

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Water Coil

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Refrigerant System

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Condenser Cleaning

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Condensate Pans

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Blower Motors

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Page

Compressor

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Safety Control Reset

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Checking System Charge

. . . . . . . . . . . . . . . . . . . . . . . . 27

Refrigerant Charging

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Air Coil Fan Motor Removal

. . . . . . . . . . . . . . . . . . . . . . 27

TROUBLESHOOTING

. . . . . . . . . . . . . . . . . . . . . . . . . 27-29

Thermistor

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

START-UP CHECKLIST

. . . . . . . . . . . . . . . . . . . CL-1, CL-2

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can

be hazardous due to system pressure and electrical components.
Only trained and qualified service personnel should install,
repair, or service air-conditioning equipment.

Untrained personnel can perform basic maintenance func-

tions of cleaning coils and filters and replacing filters. All other
operations should be performed by trained service personnel.
When working on air-conditioning equipment, observe precau-
tions in the literature, tags and labels attached to the unit, and
other safety precautions that may apply.

Improper installation, adjustment, alteration, service, mainte-

nance, or use can cause explosion, fire, electrical shock or other
conditions which may cause personal injury or property
damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The qualified
installer or agency must use factory-authorized kits or accesso-
ries when modifying this product. Refer to the individual
instructions packaged with the kits or accessories when
installing.

Follow all safety codes. Wear safety glasses and work

gloves. Use quenching cloth for brazing operations. Have fire
extinguisher available. Read these instructions thoroughly and
follow all warnings or cautions attached to the unit. Consult
local building codes and applicable electrical codes for special
installation requirements.

Understand the signal words — DANGER, WARNING, and

CAUTION. DANGER identifies the most serious hazards
which will result in severe personal injury or death. WARNING
signifies hazards that could result in personal injury or death.
CAUTION is used to identify unsafe practices, which would re-
sult in minor personal injury or product and property damage.

IMPORTANT: Read the entire instruction manual before
starting installation.

Electrical shock can cause personal injury or death. Before
installing or servicing system, always turn off main power
to system. There may be more than one disconnect switch.
Turn off accessory heater power if applicable.

AQUAZONE™

50KQL07-19

Water Source Heat Pump

Console Unit

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Summary

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...

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