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CL Series

ClimateMaster CS Series, CL Series Installation & Operation Manual

CS/CL Series
Console Air Conditioners
Water Source Heat Pumps
Installation, Operation, &
Maintenance Instructions
TABLE OF CONTENTS
Page 2
GENERAL INFORMATION
Inspection
Upon receipt of shipment, carefully check the shipment against the bill of lading. Verify all CS/CL units have been received. Inspect each unit for damage. Be certain the carrier makes proper notation on the delivery receipt of all shortages and noticeable damage and he completes a Carrier Inspection Report. Concealed damage not discovered during unloading must be reported to the carrier within fifteen (15) days of receipt of shipment.
NOTE: It is the responsibility of the purchaser to file all necessary claims with the carrier. Notify the
ClimateMaster Traffic Department within fifteen (15) days of receipt of all damaged shipments.
Introduction
ClimateMaster Console Air Conditioner Water Source Heat Pump units are decentralized room terminals designed for field connection to a closed-circuit piping loop. They are offered in capacities ranging from 6,800 to 17,600 BTUH cooling and 8,500 to 21,000 BTUH heating.
Units are typically installed in perimeter zones, usually under windows. Supply air is discharged directly into the conditioned space through discharge grills located in the top of the unit.
Storage
contamination by foreign material. Physical damage and contamination may prevent proper start-up and may result in costly equipment clean-up.
Examine all pipes, fittings, and valves before installing the system components. Remove any dirt found on these components.
Pre-Installation
Installation, operation and maintenance instructions are provided with each unit. Before unit start-up, read all manuals and become familiar with the unit and its operation. Thoroughly check out the system before operation. Complete the inspections and instructions listed below to prepare a CS/CL unit for installation.
1. Compare the electrical data on the unit nameplate with ordering and shipping information to verify that the correct unit has been shipped.
2. Keep both the chassis and cabinet covered with the shipping carton until all plastering, painting, and finish work is complete and it is time to install the chassis and cabinet.
3. Verify that the refrigerant tubing is free of kinks or dents, and that it does not touch other unit compo­nents.
4. Inspect all electrical connections. Connections must be clean and tight at the terminals.
CAUTION: DO NOT store or install CS/CL units in corrosive environments or in locations subject to temperature or humidity extremes (e.g., attics, garages, rooftops, etc.). Corrosive conditions and high temperature or humidity can significantly reduce performance, reliability, and service life. Always move units in an upright position. Tilting units on their sides may cause equipment damage.
Upon the arrival of the equipment at the job site, immedi­ately store units in their shipping cartons in a clean, dry area. Store units in an upright position at all times. Stack units a maximum of 3 units high. Use pallets to separate each layer of units. Do not remove equipment
from shipping cartons until equipment is required for installation.
Unit Protection
Cover CS/CL units on the job site with either shipping cartons, vinyl film, or an equivalent protective covering. Cap the open ends of pipes stored on the job site. In areas where painting, plastering, or the spraying of fireproof material has not been completed, all due precautions must be taken to avoid physical damage to the units and
To avoid equipment damage, do not use these units as a source of heating or cooling during the construction process. The mechanical components and filters used in these units quickly becomes clogged with construction dirt and debris which may cause system damage.
To avoid the release of refrigerant into the atmosphere, the refrigerant circuit of this unit must only be serviced by technicians which meet local, state and federal proficiency requirements.
All refrigerant discharged from this unit must be recovered without exception. Technicians must follow industry accepted guidelines and all local, state and federal statutes for the recovery and disposal of refrigerants.
When a compressor is removed from this unit, system refrigerant circuit oil will remain in the compressor. To avoid leakage of compressor oil, the refrigerant lines of the compressor must be sealed after it is removed.
Page 3
INSTALLATION
The installation of ConsoleWater Source Heat Pumps and all associated components, parts and accessories that make up the installation shall be in accordance with the regulations of ALL Authorities having jurisdiction and MUST conform to all applicable Codes. It is the responsibility of the Installing Contractor to determine and comply with ALL applicable Codes and Regulations.
NOTE: An Installation Checklist is provided at the end of this manual. Complete this checklist after all installation procedures are completed. A periodic maintenance checklist provided in the Maintenance section outlines recommended maintenance schedules. A Start-Up Inspection Log is also included at the end of this manual to encourage thorough unit checkout at initial start-up. These checklists are not a substitute for the detailed information found in the Installation section of this manual.
1. CS/CL units are typically installed along an outside wall of the room. Provide adequate space in front of the unit for service and maintenance. Locate the Console Air Conditioner so that it provides adequate air circulation throughout the room.
2. Unpack the CS/CL Unit from the shipping carton. Remove the front cabinet by lifting up and away from the backplate. Protect the cabinet from damage during installation by returning it to its original vinyl pack until required.
3. Using a carpenter's square and a level, ensure the unit is level. Shim the unit if necessary to assure proper installation.
CAUTION: Poor or inadequate installation may result in noisy unit operation or unattractive installation.
4. Select the proper fasteners to connect the backplate securely to the wall.
5. Fasten the backplate onto the wall through the screw holes located in the back flange. Secure the subbase in place.
6. Make all necessary electrical connections as de­scribed in the Electrical Wiring section of this manual. Consult the wiring diagram to ensure proper hook-up.
CAUTION: RH Units - Entering Water is upper pipe.
LH Units - Entering Water is lower pipe.
8. Before making the final water connections, flush the system as described in the Start Up section of this manual. After flushing the system, connect piping and hoses to the proper supply, return and conden­sate connections of the unit.
NOTE: When necessary, use adapters to connect hoses.
9. Reinstall the front cabinet by carefully lowering the front cabinet over the chassis onto the backplate.
10. Install any other system components as required following manufacturer's instructions.
Supply and Return Hoses
Optional pressure-rated hose assemblies are available for use with ClimateMaster CS/CL Units. Use the following guidelines when installing supply and return hose assemblies.
1. Install supply and return hoses fitted with swivel­joint fittings at one end to prevent the hose from twisting.
2. Use male adapters to secure the hose assembly to the unit and the riser.
3. Do not allow the hose to twist during installation. Twisting may damage the hose wall or the rubber compound.
4. Use pipe joint compound sparingly on the male pipe threads of the fitting adapters.
5. Prevent sealant from reaching the flared surfaces of the joint.
6. Do not use pipe joint compound when teflon thread tape is pre-applied to hose assemblies or when flared-end connections are used.
7. Maximum torque which may be applied to brass fittings is 30 foot pounds. When a torque wrench is not used, tighten brass fittings finger-tight plus one quarter turn.
8. Tighten steel fittings as necessary.
9. Shut-off/balancing valves, flow indicators, and drain tees in the supply runout and return at each floor aid in loop balancing and servicing.
7. Connect the final piping as described in the Supply and Return Piping and Condensate Piping section of the manual. Install shut-off valves, piping and/or hoses and other accessories as specified.
Page 4
Supply and Return Piping
System piping MUST comply with all applicable codes.
1. Install a drain valve at the base of each supply and return riser to enable system flushing at start-up and during routine servicing.
2. Install shut-off/balancing valves and unions at each unit to allow unit removal for servicing.
NOTE: If flex hoses are used, unions are not necessary.
3. Install strainers at the inlet of each system circulating pump.
NOTE: Since loop temperature is normally between 60° and 90° F, pipe sweating and heat loss does not occur at normal ambient conditions. Insulation must be installed on loop water piping on those sections which run through unheated areas or are located outside the building.
Condensate Piping
Connect the unit condensate drain to the building condensate drain with a flexible, nonpressure-rated 5/8 inch I.D. plastic hose. Avoid kinks in this hose to ensure an unobstructed flow of condensate from the unit to the drain.
The horizontal run of the condensate hose is usually too short to pose any drainage problems however, the horizontal run of condensate line ought to be pitched at least one inch for every 10 feet of run in the direction of flow. Avoid low points and unpitched piping since dirt collects in these areas and may cause stoppage and overflow.
Field installation of a trap or vent is not required unless specified by local codes. CS/CL units are designed in a blow-through configuration. The condensate drain pan is located on the outlet side of the blower so that the pressure in the drain pan is higher than the atmosphere.
All field installed wiring, including the electrical ground, MUST comply with the National Electrical Code as well as applicable local codes. In addition, all field wiring must conform to the Class II temperature limitations described in the NEC.
Consult the unit wiring diagram located on the inside of the compressor access panel to ensure proper electrical hookup. The installing (or electrical) contractor must make the field connections shown in Figure 1 when using field supplied disconnect.
Modify the transformer connection for units rated 208-230 volts with a 24-volt transformer when the actual power supply is 230 volts. Refer to the unit wiring diagram for details of this procedure.
Make all final electrical connections with a length of flexible conduit to minimize vibration and sound transmission to the building.
Table 1 Operating Voltages
Volts/Hz/Phase Operating Range
115/60/1
208/230/60/1
265/60/1
104 Volts min - 127 Volts max 197 Volts min - 250 Volts max 238 Volts min - 292 Volts max
Optional Night Setback Control
An optional hard-wired night setback system (NSB) is available. This system consists of a central (or zone) night setback control panel and an individual NSB relay at each heat pump.
Refer to unit wiring diagrams for specific night setback options and correct method of wiring.
Electrical Wiring
To avoid possible injury or death due to electrical shock, open the power supply disconnect switch and secure it in an open position during installation.
CAUTION: Use only copper conductors for field installed electrical wiring. Unit terminals are not designed to accept other types of conductors.
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