Carrier ERVCCLHU Guide

User's Information Manual for the operation and

maintenance of Energy Recovery Ventilators

AIR EXCHANGE ON

INTERMITTENT

% RELATIVE HUM. EXT. TEMP.

60% ,,i _- 21 °C+ /70*F+

55%< m- 10°C /50_F

45%" t_ 0_C /3_*F

A95044

OPERATING YOUR ENERGY RECOVERY VENTILATOR (ERV)

Your ERV is designed to operate as an integral part of your total heating and cooling system.

Low Exchange Mode---If the relative humidity inside the building is lower than selected, air exchange would occur with the outside

at high speed. If the relative humidity level inside the building is higher than selected, air exchange would occur with outside at low

speed. This ensures continuous air exchange for constant air quality.

Intermittent Mode---If the relative humidity inside the building is higher than selected, no air exchange would occur, and the system

would turn off. If the relative humidity inside the building is lower than selected, air exchange would occur with outside at high speed.

This mode is ideal for maintaining the proper humidity level when the continuous mode cannot.

PERFORMING ROUTINE MAINTENANCE

/N WARNING: Before installing or servicing system, always turn off main power to syatem.There may be more than 1 discon-

nect switch. Turn off accessory heater power if applicable. Electrical shock can cause personal injury or death.

.,_ CAUTION: Although special care has been taken to minimize sharp edges in the construction of your unit, be extremely

careful when handling parts or reaching into the uniL

1. The motors are factory lubricated for life. Lubricating the bearings is not recommended.

2. The core should be vacuumed every three months to remove dust that would inhibit the energy transfer. Do not use water. The

core should only be serviced when the ouldoor temperature is between 60°F(16°C) and 75°F(24°C) and dry.

NOTE: If the edges of the core are soft, do not try to service the core. The air passages can be damaged and /or closed off by

handling it or trying to remove it.

3. A dirty air filter will cause excessive strain on the blower motor. The filters in your ERV are washable, and should be cleaned

every 3 months. Use a vacuum cleaner to remove the heaviest portion of accumulated dust, then wash in lukewarm water.

NOTE: Do NOT clean these filters in a dishwasher or dry them with heating appliances as they will be permanently damaged.

Use lukewarm water to clean filters. Replace filters only when they are completely dry.

4. Regularly check the screen on the exterior intake hood and clean when necessary.

BEFORE YOU REQUEST A SERVICE CALL.

" Check the main power disconnect switch. Verify that the circuit breakers are ON or that fuses have not blown. If you must reset

breakers or replace fuses, do so only once. Contact your servicing dealer for assistance if the breakers trip or the fuses blow a second

time.

• Check for sufficient airflow. Check the air filters for any accumulations of large particles. Check for blocked exhaust-air grilles or

dnctwork. Be sure grilles and ductwork are open and unobstructed.

• Check to see if the unit is calling for air exchange, or unit is in defrost. When outdoor ambient temperature is below 23°F, some

degree of defrost mode is possible. Defrost length could be 5 to 20 minutes, depending on temperature and setfmgs.

If your ERV still fails to operate propedy, contact your servicing dealer. Give him your model and serial number. With this infor-

mation, the dealer will be able to correct any problems.

ENERGY RECOVERY

CORE CAN BE REMOVED

BY PULLING STRAIGHTOUT

BRIEFCASE

TYPE LATCH

_DOOR IS

-_ETACHABLE

FILTERSARE

PULLINGSTRAIGHT

OUT

A99300

Form:OMERV-2 Cancels:OMERV-1 Printedin U.S.A.

6-OO CatalogNo.03ER-VC4

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