Page 1 of 15 models: ervf-a3 cherv-a3 ervf-c3 cherv-c3 wall mount energy recovery ventilator with exhaust for use with bard 2-1/2 through 3 ton wall mount™ air conditioners and heat pumps installation instructions bard manufacturing company, inc. Bryan, ohio 43506 www.Bardhvac.Com manual: 2100-512b ...
Manual 2100-512b page 2 of 15 model nomenclature legend .................................. 3 electrical specifications ......................................... 3 general description .............................................. 3 general information .............................................. 3...
Manual 2100-512b page 3 of 15 model nomenclature legend general description the wall mount energy recovery ventilator was designed to provide energy efficient, cost-effective ventilation to meet iaq (indoor air quality) requirements while still maintaining good indoor comfort and humidity control fo...
Manual 2100-512b page 4 of 15 legend: vlt = ventilation load – total vls = ventilation load – sensible vll = ventilation load – latent hrt = heat recover – total hrs = heat recovery – sensible hrl = heat recovery – latent wvl = winter ventilation load whr = winter heat recovery performance and appli...
Manual 2100-512b page 5 of 15 basic installation (field installation) 1. Unpack the ventilator assembly, which includes the integral ventilator with attached electrical harness and miscellaneous hardware. 2. Remove the existing exterior blower access, filter access and vent access panels on the bard...
Manual 2100-512b page 6 of 15 figure 1 removing access panels basic installation (factory-installed models) 1. Remove blower access, filter access and vent option panels. Remove filter bracket from shipping location and install on left side. Remove filter located above air circulation blowers. Insta...
Manual 2100-512b page 7 of 15 figure 2 removing filter and grille remove & discard.
Manual 2100-512b page 8 of 15 figure 3 running wiring figure 3 – inset side view - see step 5 of instructions.
Manual 2100-512b page 9 of 15 mis-2641 install 1-480701-0 cap as shown and wire per wiring diagram from heat recovery assembly. Low voltage wires temporary connection for testing. See recommended control sequences figure 4 control panel.
Manual 2100-512b page 10 of 15 figure 5 replacing access panel.
Manual 2100-512b page 11 of 15 figure 6 airflow diagram figure 6a – speed tap label.
Manual 2100-512b page 12 of 15 control wiring the ervf-*3/cherv-*3 comes from the factory with the low voltage control wires not wired into the wall mount low voltage terminal strip. Care must be taken when deciding how to control the operation of the ventilator. When designing the control circuit f...
Manual 2100-512b page 13 of 15 energy recovery ventilator maintenance general information the ability to clean exposed surfaces within air moving systems is an important design consideration for the maintenance of system performance and air quality. The need for periodic cleaning will be a function ...
Manual 2100-512b page 14 of 15 belt replacement instructions mis-1890 route this part of replacement belt in bottom groove of pulley. Route this part of replacement belt in top groove of pulley. If belt "squeaks" or "chirps" lubricate lightly with lps-1 or equivalent "dry film" lubricant. Annual mai...
Manual 2100-512b page 15 of 15 figure 8 hub assembly with ball bearings.
