DIVERSITECH ASURITY BG-301+ Manuale utente
WARNING WORK SAFE, READ THIS:
Switch to measure and monitor the
condensate water level on an HVAC unit.
Red
Switch Switch
24 VAC Supply
Air Handler
Thermostat
Fig. 1
Installation Instructions BG-301+, BG-302P+T
Primary Pan Latching Switch
YEAR
3
Failure to read and comply with all warnings, cautions, &
instructions prior to starting installation may cause personal
injury and/or property damage and will void warranty.
This device must be installed according to manufacturer’s
instructions, and must be in agreement with all applicable
local HVAC, plumbing, drainage, and electrical codes.
Remove electric shock hazard - DISCONNECT THE POWER
BEFORE INSTALLING SWITCH to avoid electrical shock and/
or equipment damage. Do not use on circuits exceeding 24
volts to avoid damage to switch, shock, or fire hazard. Switch
must be connected to an isolated transformer with a max
rating of 30VAC, 8A, and 100VA.
In any installation where property damage may result from an
inoperative switch due to power outage, a back-up system(s)
and/or alarm should be installed.
The switch must only be installed by a licensed contractor or
under the direct supervision of the same. The condensation
pan must be properly maintained after installation and kept
free from foreign objects, rust, or other obstructions that
might interfere with the proper operation of the float switch.
WIRING THE BG-301 IN A CONVENTIONAL
HVAC SYSTEM
(To ensure proper performance of product, instructions must
be followed.)
1. Ensure the power is disconnected to the unit at the main
panel prior to moving to the next step. Refer to the
appliance manufacturer’s installation and operating
instructions and review wire layout in their instructions.
2. Locate the red wire connecting the 24 volt transformer
on the air handler and the Thermostat (See Fig 1).
3. Disconnect or cut.
4. Using wire nuts, connect one of the Latching Switch wires
to the cable going to the 24 VAC transformer on the air
handler.
5. Using wire nuts, connect the other Latching Switch
wires to the red wire going to the thermostat. This
configuration results in power to both air handler and
compressor terminating when switch is tripped.
Note: If only compressor power is to be terminated, it is
acceptable to connect to the yellow thermostat wire as
an alternate configuration.
The Latching Switch is a normally closed switch. The
switch is compatible with communicating HVAC
systems. Please refer to your HVAC manufacturer for
wiring instruction in communicating HVAC systems.
800.995.2222diversitech.com
CONDENSATE MANAGEMENT
INSTALLATION OF FLOAT SWITCH ON DRAIN PAN
(To ensure proper performance of product, instructions must be followed.)
1. Disconnect power to unit at main panel. Disconnect power to the low
voltage thermostat circuit.
2. Locate secondary condensate port on air handler. (See Fig. 2)
3. Screw the pipe fitting provided with the Latching Switch into the secondary
port of the primary drain pan of the HVAC unit. Ensure a watertight seal by
making sure the O-ring contacts the pan and seals the joint or use pipe
tape on the threads to achieve a watertight seal.
4. Attach the lower housing to fitting,
ensuring it is not tilted to one side.
(See Fig 3)
TEST THE LATCHING SWITCH
(REQUIRED BY WARRANTY)
1. TEST SWITCH OPERATION
a. Open the cap by pulling outward
and upward on the lift tab
(See Fig. 5).
b. Gently turn to the right or left to
remove cap (See Fig. 6)
c. Ensure Float is in lower position.
HVAC unit should be running
d. Lift the float (See Fig 7). HVAC unit
should stop running if switch is
correctly wired.
e. Replace cap.
2. TEST SWITCH RESPONSIVENESS
a. Press the Reset Button to ensure
the float is in the lower position.
(See Fig 8)
b. Block drain downstream from
installation point and run unit until
pan is filled with water.
c. Ensure that the switch snaps/latches
and shuts down the unit before the
pan overflows. The white indicator
tab should be visible when the unit is
tripped. (Fig. 9)
d. Check for leaks.
WARRANTY
Visit asurityhvacr.com for warranty information.
800.995.2222diversitech.com
CONDENSATE MANAGEMENT
5. Mount top
housing. (Fig. 4)
Fig. 3
Fig. 4
Fig. 2
Primary Drain
Secondary Port
Primary Drain Pan
BG-301+, BG-302P+T
Primary Pan Latching Switch
YEAR
3
Installation Instructions
Fig. 5
Fig.6
Fig.7
Fig. 8
Fig. 9
White Tab Indicates
switch has tripped
Asurity®is a registered trademark of DiversiTech Corporation.
©2022 DiversiTech Corporation
0622.3
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