Bard QH422 Specifications download pdf (Page 13)

Manual 2100-420

Page 11

MIS-1061

SERVICE LIGHT

The unit is equipped with a service light which

signals the user that service is required. The light

is located in the upper control panel and is visible

only when the hinged service/filter access door is

open.

The Service Unit light indicates that the unit has

been shut off by a high or low pressure device.

This indicates that the unit needs to be serviced.

FIGURE 12

UNIT MOUNTING

BOTTOM

TRIM PIECE

BOTTOM TRIM

EXTENSION

MOUNTING

BRACKET

SIDE TRIM

(2 PCS.)

SIDE TRIM

(2 PCS.)

MIS-1576

CABINET

SIDE PANEL

ENLARGED VIEW OF MOUNTING

BRACKET SHOWING SLEEVE TO

CABINET ATTACHMENT

MOUNTING BRACKET

#8 SCREW

PROVIDED

(LIGHT COLOR)

WALL

SLEEVE

#10 HEX

HEAD SCREW

PROVIDED

MIS-977

WATER TRAP

FIGURE 11

REAR DRAIN (TOP VIEW)

WALL (MAXIMUM 10”

FOR REAR DRAIN)

COUPLINGS NOT

SHOWN BUT

RECOMMENDED

FOR EASE OF

REMOVABILITY

FOR SERVICE.

SLEEVE

DRAIN LINE

WALL BRACKET

UNIT

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 31 32

Bard Manufacturing Company 1
Bryan, Ohio 43506 1
CONTENTS 2
FOR MORE INFORMATION, CONTACT 3
THESE PUBLISHERS: 3
Series General Information 4
TABLE 2 5
ELECTRICAL SPECIFICATIONS 5
TABLE 2A 6
(Continued) 6
FIGURE 1 7
UNIT DIMENSIONS 7
WARNING 8
FIGURE 6 10
DUCTED APPLICATION 10
FIGURE 5 10
DUCT WORK 11
FRESH AIR INTAKE 12
CONDENSATE DRAIN 12
SERVICE LIGHT 13
INSTALLATION INSTRUCTIONS 14
WIRING – MAIN POWER 15
WIRING – LOW VOLTAGE WIRING 15
CAUTION 16
MIS-1285 17
Manual 2100-420 18
Page 16 18
Page 17 19
FIGURE 18 20
“D” THERMOSTAT OPTION 20
START UP 21
SERVICE HINTS 22
MIST ELIMINATOR SERVICE 22
VENT OPTIONS 23
FIGURE 19 24
FRESH AIR DAMPER REMOVAL 24
FIGURE 20 25
QERV REMOVAL 25
OPTIONAL CLIMATE CONTROLS 26
SEQUENCE OF OPERATION 26
PRESSURE SERVICE PORTS 26
DEFROST CYCLE 27
TROUBLESHOOTING 28
CHECKING TEMPERATURE SENSOR 29
SOLID STATE HEAT PUMP CONTROL 29
TROUBLESHOOTING PROCEDURE 29
FAN BLADE SETTING DIMENSIONS 30
REFRIGERANT CHARGE 30
TABLE 10 31
COOLING PRESSURE 31
TABLE 11 32
HEATING PRESSURE 32

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Bard QH422 Specifications Page 13

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