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Rome, NY 13440 An ISO 9001-2000 Certified Company P/N# 240006021 Rev. 1.3 [05/07] WLCA/WLHA High Wall Evaporator 2 WLCA/WLHA HIGH WALL High Efficiency EVAPORATOR installation, operation and maintenance MANUAL P/N 240006021, Rev. 1.3 [05/07] This manual is intended as an aid to a qualified service personnel for proper installation, operation, and maintenance of EMI AmericaSeries high efficiency evaporators. Carefully read these instructions before attempting installation or operation. Failure to follow these instructions may result in improper installation, operation, service, or maintenance, possibly resulting in fire, electrical shock, property damage, personal injury, or death. Shipping Damage MUST be Reported to the Carrier IMMEDIATELY!!! Examine the carton for signs of damage if any is evident open packaging and check the unit for shipping damage. SAFETY INSTRUCTIONS Read all instructions before using the EMI AmericaSeries high efficiency evaporator. Install or locate this unit only in accordance with these instructions. Use this unit only for its intended use as described in this manual. Check the rating plate on the EMI AmericaSeries evaporator before installation to make certain the voltage shown is the same as the electric supply to the unit. The EMI AmericaSeries evaporator must be connected only to a properly grounded electrical supply. Do not fail to properly ground this unit. Turn off the electrical supply before servicing the EMI AmericaSeries evaporator. Do not use the EMI AmericaSeries evaporator if it has damaged wiring, is not working properly, or has been damaged or dropped. [Save these instructions] TO THE INSTALLER (1) Retain this manual and warranty for future reference. (2) Before leaving the premises, review this manual to be sure the unit has been installed correctly and run the unit for one complete cycle to make sure it functions properly. To obtain technical service or warranty assistance during or after the installation of this unit, check our website @ enviromaster.com or call your installing contractor or distributor. Our technical service department may be contacted at 1-800-228-9364. When calling for assistance, please have the following information ready: • Model Number___________________ • Serial Number___________________ • Date of installation________________ ! ! DANGER Tampering with the EMI AmericaSeries evaporator is dangerous and may result in serious injury or death. Tampering voids all warranties. Do not attempt to modify or change this unit in any way. 3 WLCA/WLHA High Wall Evaporator CONTROLS and COMPONENTS continued PRODUCT DESCRIPTION The AmericaSeries WLCA/WLHA is available as a (Dx) direct expansion straight cool and heat pump. It offers a contemporary design in a ductless type evaporator and combines attractive appearance with high efficiency conditioning for small to medium size commercial or residential spaces. The WLCA/WLHA is equipped with unit mounted infrared compatible controls which also supports 24V remote wall thermostat operation. Optional hand held remote is available. Heat Pump models provide up to 23,000 Btuh of cooling and 20,600 Btuh of heating. Electric heat options are available for up to 5 kW of supplemental heat. This American-made evaporator offers ease of installation, operation, and service. It can be matched with EMI’s S1CA/S1HA 09-24 and S1CA 30-36 Btuh Single-Zone Condensing Units, the S2CA side discharge Dual-Zone Condensing Unit, or the T2CA, T3CA, and T4CA top discharge Multi-Zone Condensing Units. All EMI air handlers are backed by Enviromaster International LLC and are tested and rated in accordance with ARI standards 210/240 and UL 1995. • Operation modes include Heat, Cool, Dry, Fan and Auto Change-over. • Fan Operation – Auto/On. High or Low speed fan • Fan Purge – Fan remains on for 60 seconds after Heat/Cool call is dropped for improved efficiency (Auto mode only) • Room air sampling: Selectable time intervals ensure the fan will cycle on periodically, in Auto Fan Mode to help eliminate room temperature stratification. • Selectable Fahrenheit (°F) or Cesius (°C) temperature scale. • Dry mode – Operates cooling and electric heat simultaneously to remove humidity. Optional electric heat must be selected. • Anti-Short Cycle Compressor Protection. • Minimum on time for heating and cooling Helps eliminate room temperature drop and system short cycling. • Freeze Protection – Prevents evaporator freeze up. • Test operation – Allows ease of testing after installation (all timers are eliminated). • Non-volatile back-up memory will maintain control settings for an indefinite period during a power outage. When power is restored the equipment will resume operation after a three-minute compressor time delay. • 7-day programmable with copy feature. • Filter change indicator: A timer feature indicates when the filter should be changed according to the selected time. • Moto...
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