Healthy Climate Solutions HCWB3-12 Installation Instructions

INSTALLATION INSTRUCTIONS AND TEMPLATE FOR HEALTHY CLIMATE
SMALL BYPASS HUMIDIFIER MODELS HCWB3-12, HCWB3-12K, HCWB3-12A & HCWB3-12AK
RE D COMPLETE S FETY INSTRUCTIONS
This product must be installed by a qualified heating and air conditioning contractor. Failure to do so could result in serious injury from electrical shock.
WARNING
1. ELECTRICAL SHOCK HAZARD.
Can cause injury or death.
Disconnect all electrical power
supplies before servicing.
2. RISK OF PROPERTY DAMAGE, INJURY OR
DEATH. Installation, adjustments, alterations,
service and maintenance must be performed
by your Lennox dealer.
3. RISK OF SCALDING. Water temperature over
125°F can cause severe burns and scalding
instantly. Shut off the hot water supply before
disconnecting or tapping into any hot water
supply line.
4. RISK OF SHARP EDGES HAZARD. Equipment
sharp edges can cause injuries. Avoid grasping
equipment edges without protective gloves.
Models HCWB3-12A & HCWB3-12AK
AUTOMATIC HUMIDIFIER CONTROL
For detailed Automatic Humidifier Control
installation and wiring instructions, see
Publication No. 504,879M included
with Control.
NOTE
VERIFY THAT MODE SWITCH
IS IN THE "BYPASS" POSITION.
R C
24V
NOTE
DO NOT WIRE TRANSFORMER
USING FURNACE BLOWER CIRCUIT.
24 VAC FURNACE ACCESSORY TERMINALS
(10 VA MINIMUM) OR 24 VAC TRANSFORMER
(10 VA MINIMUM)
SHUT-OFF
(SADDLE VALVE)
WATER SUPPLY
YELLOW 24 V
SOLENOID
VALVE WIRES
CONNECT DRAIN LINE HERE
TEMPL TE MUST BE LEVEL
HUMIDIFIER
506365-01
4/2011
ATTENTION INSTALLER:
This product must be installed in compliance with all local, state and federal codes.
RISK OF PROPERTY AND EQUIPMENT DAMAGE.
1. Water heating system can be damaged if water
supply remains off.
2. After humidifier installation is completed, turn hot
water supply back on.
3. Water heating system must be de-energized if the
main water supply remains shut off.
4. Do not set humidity level above recommended or to
recommended level if condensation exists on inside
windows of any unheated space, as condensation
damage may result. Excess humidity can cause
moisture accumulation which can allow the
possibility for mold growth in your home.
5. Do not install humidifier in location where freezing
temperatures may occur. The water line could freeze
and crack causing water damage to the home.
RECOMMENDED WIRING DIAGRAMS
AUTOMATIC
HUMIDIFIER
CONTROL
NORTH, EAST
OR WEST SIDE
OF HOME
H ODT
OUTDOOR
TEMPERATURE
SENSOR
ABOVE EXPECTED
SNOW LINE
CURRENT
SENSING
RELAY
COMMON
(IF REQUIRED)
MOTOR
LEAD
NOTE
C LO
HI
CURRENT SENSING RELAY
REQUIRED IF TRANSFORMER
IS CONTANTLY POWERED. FURNACE
BLOWER MOTOR
90-1434
HEALTHY CLIMATE
(Supersedes 7/2009)
ND INST LL TION TEMPL TE BEFORE ST RTING
CAUTION
6. Do not install humidifier or bypass connection
on furnace cabinet.
7. Do not install humidifier or bypass connection
on blanked off end of cooling coil where
airflow will be restricted.
8. Do not connect the transformer to blower
motor wiring. Premature component failure
may result.
9. Do not install humidifier where water
pressures exceed 125 psi, since humidifier
damage may result. Follow codes in effect
concerning pressure reduction.
10. Do not install humidifier on systems with
greater than 0.4 in. wg pressure differential
between supply and return plenums.
Models HCWB3-12
& HCWB3-12K
MANUAL CONTROL
For detailed Manual Humidifier Control
installation and wiring instructions, see
Publication No. 506407−01 included
with Control.
SHUT-OFF
(SADDLE VALVE)
WATER SUPPLY
CONNECT DRAIN
LINE HERE
IMPORTANT
WHEN CURRENT SENSING RELAY IS USED:
• WIRE CURRENT SENSING RELAY INTO 24 VAC HUMIDIFIER CONTROL
CIRCUIT ONLY! DO NOT INSTALL IN TRANSFORMER PRIMARY CIRCUIT.
TRACE ALONG OUTER EDGE
®
Width
INSTALLATION OPTIONS
IMPORTANT supply or return plenum of a forced air handling
USE 120 VAC POWER SOURCE OTHER
THAN FURNACE MOTOR CIRCUIT.
HOWEVER, THE TRANSFORMER CAN BE
POWERED OFF THE HOT 120 VAC LINE
serviceability must be considered when selecting
BEFORE IT ENTERS THE FURNACE.
• DO NOT WIRE TRANSFORMER INTO
FURNACE BLOWER CIRCUIT.
MANUAL
HUMIDIFIER CONTROL
24 VAC FURNACE
ACCESSORY TERMINALS
YELLOW 24 V OR TRANSFORMER
SOLENOID (10 VA MINUMUM)
VALVE WIRES
CURRENT
SENSING RELAY
FURNACE
(IF REQUIRED)
BLOWER MOTOR
C
HI
COMMON LEAD
LO
90-1434
HUMIDIFIERS

SPECIFICATIONS

HUMIDIFIER DIMENSIONS
15 5 ⁄ "
(including solenoid valve):
8
Height 13"
(including drain spud):
Depth 10 1 ⁄ "
:
4
BYPASS DUCT OPENING
6" diameter
PLENUM OPENING
9 1 ⁄ "W x 9 1 ⁄ "H
2 2
WATER FEED RATE
3 gph
ELECTRICAL DATA
24 VAC-60 Hz, 0.5 AMP
The humidifier can be installed on either the
system and is easily reversible for installation
with right hand or left hand bypass duct
connections. The humidifier dimensions and
the best location for the humidifier. Here are
2 examples of many types of installations.
Upflow
SUPPLY
AIR
FLUE
RETURN
AIR
COOLING
COIL
Horizontal
RETURN
AIR
COOLING
COIL
90-1452
SUPPLY
AIR
WARNING
Cover on humidifier must be securely in
place when blower is operating. Gas
fumes, which could contain carbon
monoxide, can be drawn into living space
resulting in personal injury or death.