Bard CRVMP-5 Installation Instructions Manual
INSTALLATION INSTRUCTIONS
COMMERCIAL ROOM VENTILATORS
WITH EXHAUST
MODEL
CRVMP-5
For Use with Bard 3 through 5 Ton
WA*S Series Wall Mount Air Conditioners
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
Since 1914...Moving ahead just as planned.
Manual : 2100-457D
Supersedes: 2100-457C
File: Volume III Tab 19
Date: 01-24-14
Manual 2100-457D
Page 1 of 16
CONTENTS
General
General Information
Unpacking
Description
Models .................................................................3
Installation
Basic Installation
Blade Adjustment for Desired Ventilator Air
Adding Optional CO
Commercial Room Ventilator Sequence
.................................................................3
................................................................3
..................................................3
....................................................4-8
............10
Control Sensor ......................13
2
.........15 & 16
Figures
Figure 1 Removal of Exterior Panels ......................4
Figure 2
Figure 3 Install Ventilator ........................................6
Figure 4 Step Control Installation ...........................8
Figure 5 Damper Control Board .............................9
Figure 6 CO2 Sensor Set-Up (8403-056) .............14
Figure 7 Call for Blower Operation .......................15
Figure 8 Call for Cooling Operation ......................16
Tables
Table 1 .................................................................4
Graphs
WA3S Ventilation Airow
WA4S Ventilation Airow
WA5S Ventilation Airow
Remove Air Filter & Exhaust Cover Plate
.........................................11
.........................................11
.........................................12
.....5
BARD MANUFACTURING COMPANY, INC.
Manual 2100-457D
Page 2 of 16
BRYAN, OHIO USA 43506
GENERAL
GENERAL INFORMATION
The ventilator should only be installed by a trained
heating and air conditioning technician. These
instructions serve as a guide to the technician installing
the ventilator package. They are not intended as a step
by step procedure with which the mechanically inclined
owner can install the package.
The ventilator housing is shipped in one carton which
contains the electrical harness, step control assembly,
miscellaneous hardware and installation instructions.
UNPACKING
Upon receipt of the equipment be sure to compare the
model number found on the shipping label with the
accessory identication information on the ordering and
shipping document to verify that the correct accessory
has been shipped.
Inspect the carton housing of each ventilator as it is
received, and before signing the freight bill, verify that
all items have been received and that there is no visible
damage. Note any shortages or damage on all copies
of the freight bill. The receiving party must contact
the last carrier immediately, preferably in writing,
requesting inspection by the carrier’s agent. Concealed
damage not discovered until after loading must be
reported to the carrier within 15 days of its receipt.
DESCRIPTION
The CRVMP-5 ventilator is designed to be used with
Bard 3 through 5 ton wall mount series step capacity
air conditioners. It is an electromechanical vent system
designed to provide fresh air to meet indoor air quality
standards. It automatically adjusts to the mode of
operation to maintain consistent fresh air intake levels.
Examples are blower only, stage 1 cooling and stage 2
cooling, which are all set for different total airows.
MODELS
When installed in the above-listed models, the
CRVMP-5 provides built in exhaust provisions.
the damper blade opens to bring fresh air in, the damper
also opens an exhaust relief. The exhaust air will ow
into the condenser section of the unit. The condenser
fan will help draw exhaust air out.
When
Manual 2100-457D
Page 3 of 16
INSTALLATION
BASIC INSTALLATION
1. Unpack the ventilator assembly which includes the
integral ventilator with attached electrical harness,
step control assembly and miscellaneous hardware.
WARNING
Open and lock unit disconnect switch before
installing this accessory to prevent injury or
death due to electrical shock or contact with
moving parts. Turn thermostat to off.
REMOVAL OF EXTERIOR PANELS
2. Remove and save the existing exterior blower
FIGURE 1
TABLE 1
Model
CRVMP-5
access and service access panels on the Bard wall
mount unit. (See Figure 1.)
FOR USE WITH
FOLLOWING UNITS
WA3S
WA4S
WA5S
Manual 2100-457D
Page 4 of 16
3. Remove and save existing unit air lter and screws
from front center grille. (See Figure 2.)
REMOVE AIR FILTER AND EXHAUST COVER PLATE
4. Remove and discard the exhaust cover plate.
FIGURE 2
Manual 2100-457D
Page 5 of 16
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