Carrier MPW015-045 - Manual

Carrier MPW015-045

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Table of Contents:

  • Page 2 – CONTENTS; OPERATION SEQUENCE; GENERAL; Comfort; Table 1 — Unit Sizes; Conventions Used in This Manual —; Configuration; CAUTION; UNIT MODEL
  • Page 3 – Basic Control Usage; Enter Password; ENTER; MODE; ESCAPE; Fig. 1 — Scrolling Marquee Display
  • Page 4 – Table 2 — Scrolling Marquee Display Menu Structure*; Fig. 2 — Accessory NavigatorTM Display Module
  • Page 5 – Table 3 — Run Status Mode and Sub-Mode Directory
  • Page 11 – Table 11 — Time Clock Mode and Sub-Mode Directory; * Repeats for Occupancy Periods 2 through 8.
  • Page 13 – Table 14 — Operating Modes
  • Page 16 – LOCATED OVER EMM
  • Page 17 – MBB; UPC; EMM
  • Page 18 – Fig. 5 — Typical Control Wiring Schematic — 30MP015-045 Units
  • Page 19 – Sensors —
  • Page 20 – Fig. 6 — Main Base Board; Fig. 8 — Typical Space Temperature; Fig. 9 — CCN Communications Bus Wiring
  • Page 21 – but should not be adjusted unless abso-; Capacity Control —
  • Page 22 – TEST; Fig. 10 — Energy Management Module
  • Page 23 – DEADBAND EXAMPLE; LWT —; Leaving Water Temperature; Fig. 11 — Deadband Multiplier; SS; Fig. 12 — Operating Envelope for R-410A Compressor; Saturated Condensing Temperature; Saturated Suction Temperature
  • Page 24 – Both main power and; Table 20 — Control Methods and Cooling Set Points; CONTROL
  • Page 25 – Cooler Pump Sequence of Operation —; Fig. 13 — Dual Chiller Thermistor Location
  • Page 26 – Table 21 — Dual Chiller Configuration (Master Chiller Example)
  • Page 27 – Temperature Reset —; Fig. 14 — Dual Leaving Water Thermistor Well; PART
  • Page 28 – Table 22 — Dual Chiller Configuration (Slave Chiller Example)
  • Page 29 – Table 23 — Menu Configuration of 4 to 20 mA Cooling Set Point Control
  • Page 31 – Demand Limit —; Fig. 16 — Space Temperature Reset; Fig. 17 — Standard Chilled Fluid
  • Page 32 – Energy Management Module
  • Page 33 – Table 27 — Configuring Demand Limit; System Check; Table 28 — Minimum Flow Rates and Minimum
  • Page 34 – A positive pressure indicates a charge in; full load; OIL; Fig. 20 — Sight Glass Location
  • Page 35 – Operating Limitations; Table 29 — Temperature Limits for; TEMPERATURE LIMIT
  • Page 36 – Carefully; FASTENER
  • Page 37 – at full unit; HP
  • Page 38 – The vent line must not be smaller than the relief; Check Unit Safeties; Table 31 — Factory Settings, High-Pressure; Thermistors —
  • Page 39 – Chilled Water Flow Switch —; BASE; Fig. 23 — Thermistor Connections to; CLEARANCE FOR; Fig. 22 — Thermistor Well
  • Page 43 – WARNING
  • Page 44 – Table 36 — Replacement Modules; MAINTENANCE; fort; MODULE
  • Page 45 – Alarms and Alerts —; Fig. 25 — Advanced Scroll Temperature
  • Page 46 – Table 37 — Troubleshooting
  • Page 47 – Table 38 — Alarm and Alert Codes
  • Page 53 – APPENDIX A — LOCAL DISPLAY TABLES; Run Status Mode and Sub-Mode Directory
  • Page 56 – Configuration Mode and Sub-Mode Directory
  • Page 58 – Time Clock Mode and Sub-Mode Directory
  • Page 63 – Operating Mode and Sub-Mode Directory
  • Page 64 – Alarms Mode and Sub-Mode Directory
  • Page 65 – APPENDIX B — CCN TABLES; CCN DISPLAY TABLES — A_UNIT (General Unit Parameters
  • Page 72 – CCN SERVICE TABLES — SERVICE
  • Page 74 – (insert check mark as each item is completed); THOROUGHLY
  • Page 75 – CHECK PRESSURE DROP ACROSS COOLER.; FLUID ENTERING COOLER:; COOLER LOOP FREEZE PROTECTION IF REQUIRED:; NOTE: USE ESCAPE KEY TO GO UP ONE LEVEL IN THE STRUCTURE.
  • Page 76 – RECORD CONFIGURATION INFORMATION ON NEXT PAGE.
  • Page 77 – RECORD CONFIGURATION INFORMATION BELOW.; SETPOINT; COMPONENT TEST
  • Page 78 – SERVICE TEST
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. 04-53300053-01

Printed in U.S.A.

Form 30MP-1T

Pg 1

1-10

Replaces: New

Controls, Start-Up, Operation,

Service, and Troubleshooting

SAFETY CONSIDERATIONS

Installing, starting up, and servicing this equipment can be

hazardous due to system pressures, electrical components, and

equipment location (elevated structures, mechanical rooms,

etc.). Only trained, qualified installers and service mechanics

should install, start up, and service this equipment.

When working on this equipment, observe precautions in

the literature, and on tags, stickers, and labels attached to the

equipment, and any other safety precautions that apply. Follow

all safety codes. Wear safety glasses and work gloves. Use

care in handling, rigging, and setting this equipment, and in

handling all electrical components.

WARNING

Electrical shock can cause personal injury and death. Shut

off all power to this equipment during installation. There

may be more than one disconnect switch. Tag all discon-

nect locations to alert others not to restore power until work

is completed.

WARNING

DO NOT VENT refrigerant relief valves within a building.

Outlet from relief valves must be vented outdoors in

accordance with the latest edition of ANSI/ASHRAE

(American National Standards Institute/American Society

of Heating, Refrigerating and Air Conditioning Engineers)

15 (Safety Code for Mechanical Refrigeration). The

accumulation of refrigerant in an enclosed space can

displace oxygen and cause asphyxiation. Provide adequate

ventilation in enclosed or low overhead areas. Inhalation of

high concentrations of vapor is harmful and may cause

heart irregularities, unconsciousness or death. Misuse can

be fatal. Vapor is heavier than air and reduces the amount

of oxygen available for breathing. Product causes eye and

skin irritation. Decomposition products are hazardous.

WARNING

DO NOT attempt to unbraze factory joints when servicing

this equipment. Compressor oil is flammable and there is

no way to detect how much oil may be in any of the

refrigerant lines. Cut lines with a tubing cutter as required

when performing service. Use a pan to catch any oil that

may come out of the lines and as a gage for how much oil

to add to system. DO NOT re-use compressor oil. Damage

to equipment or personal injury may result.

CAUTION

This unit uses a microprocessor-based electronic control

system. Do not use jumpers or other tools to short out

components, or to bypass or otherwise depart from recom-

mended procedures. Any short-to-ground of the control

board or accompanying wiring may destroy the electronic

modules or electrical components.

CAUTION

To prevent potential damage to heat exchanger, always run

fluid through heat exchanger when adding or removing

refrigerant charge. Use appropriate brine solutions in cooler

fluid loop to prevent the freezing of brazed plate heat

exchanger when the equipment is exposed to temperatures

below 32 F (0° C). Proof of flow switch is factory installed

on all models. Do NOT remove power from this chiller dur-

ing winter shutdown periods without taking precaution to

remove all water from heat exchanger and optional

hydronic system. Failure to properly protect the system

from freezing may constitute abuse and may void warranty.

CAUTION

Compressors require specific rotation. Monitor control

alarms during first compressor start up for reverse rotation

protection. Damage to unit may result.

CAUTION

Refrigerant charge must be removed slowly to prevent loss

of compressor oil that could result in compressor failure.

CAUTION

Puron

®

refrigerant (R-410A) systems operate at higher

pressures than standard R-22 systems. Do not use R-22 ser-

vice equipment or components on Puron refrigerant equip-

ment. If service equipment is not rated for Puron

refrigerant, equipment damage or personal injury may

result.

AQUASNAP

®

30MPA,MPW015-045

Liquid Chillers with Scroll Compressors

and

ComfortLink

™ Controls

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Summary

Page 2 - CONTENTS; OPERATION SEQUENCE; GENERAL; Comfort; Table 1 — Unit Sizes; Conventions Used in This Manual —; Configuration; CAUTION; UNIT MODEL

2 CONTENTS Page SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . 1 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13 Conventions Used in this Manual . . . . . . . . . . . . . . . . . . . 2 Basic Controls Usage . . . . . . . . . . . . ...

Page 3 - Basic Control Usage; Enter Password; ENTER; MODE; ESCAPE; Fig. 1 — Scrolling Marquee Display

3 When a value is included as part of the path name, it will be shown at the end of the path name after an equals sign. If the value represents a configuration setting, an explanation will be shown in parenthesis after the value. As an example, Configuration  OPT1  MLV.S = 1 (Minimum Load Valve Se...

Page 4 - Table 2 — Scrolling Marquee Display Menu Structure*; Fig. 2 — Accessory NavigatorTM Display Module

4 and press to enter the digit. Continue with the re- maining digits of the password. The password can only bechanged through CCN operator interface software such asComfortWORKS, ComfortVIEW and Service Tool.Adjusting the Contrast — The contrast of the display can beadjusted to suit ambient conditio...

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