Lifebreath DVD Recorder 60ELE User Manual

Model 60ELE  
“ELECTRIC” CLEAN AIR FURNACE MANUAL  
General  
Introduction  
Congratulations on your selection of the Lifebreath Clean  
Air Furnace. This is a very advanced unit that combines  
an electric furnace with the tremendous health benefits of  
year-round fresh air ventilation in every room of your  
house.  
The purpose of this manual is to act as an  
installation guide only for the Lifebreath Clean Air  
Furnace.  
All national and local code requirements must be met  
when installing a Lifebreath Clean Air Furnace. Be sure to  
consult the proper authorities.  
With the addition of Lifebreath T.F.P. Air Cleaner (option-  
al) you will have the ultimate in comfort and healthy indoor  
air quality. (See back cover of this manual)  
Table of Contents  
Once it is correctly installed, safety will never be an issue  
with your Lifebreath furnace. No flames, fumes or flue  
gases to be concerned about.  
Introduction ......................................................................1  
Table of Contents.............................................................1  
General ............................................................................1  
Specifications................................................................2-4  
Installation...................................................................5-10  
Wiring Diagram ..............................................................11  
Start-up Procedure.........................................................12  
Operation .......................................................................13  
Troubleshooting .............................................................14  
Maintenance and Service Record..................................15  
This Operating and Installation Guide will help you learn  
about your Lifebreath Clean Air Furnace quickly and easi-  
ly. The table of contents will show you where to find  
information on every feature of this unit along with easy to  
understand operating instructions. If, however, you do  
encounter a question that is not covered in this Guide you  
should call the Lifebreath dealer who installed your fur-  
nace. Chances are that he will be able to give you a  
satisfactory answer but if he is unable to do so then we  
invite you to contact us directly.  
CAF-03  
0606  
 
Specifications  
60ELE-DF  
Core  
Specifications 18kw = (60,000 BTUH)  
Ventilation system has patented aluminum heat  
recovery core for energy-efficient ventilation.  
Voltage  
Hp  
240 VAC 60 Hz  
1/3  
Filters  
Amps (total)  
Stages  
85  
Washable air filters in exhaust and supply air streams of  
ventilation section, 1" Pleated in return plenum side.  
Single (4 sequence)  
6"  
Ventilation  
Ducts  
Case  
Prepainted galvanized steel for superior corrosion  
resistance.  
Return  
14" x 22"  
Plenum  
Supply  
Airflow  
17.25" x 16"  
1350 CFM @ .25 ESP  
1180 CFM @ .5 ESP  
Ventilation  
Airflow  
140 CFM  
70%  
Effectiveness  
(HRV)  
Note: All connections to be made by qualified contractors.  
Net Weight 150 lbs. Shipping Weight 165lbs.  
Dimensions & Clearances  
Front  
Side  
Service Clearance 3'  
Service Clearance 1'  
29.5"  
19"  
16"  
Top  
Blower Section  
14"  
*Return  
Plenum  
Duct (coil)  
Opening  
17.25"  
22"  
19"  
®
C
L
E
A
N
A
I
R
F
U
R
N
A
C
E
*Ventilation  
Exhaust Air  
Outlet  
6"  
6"  
47.5"  
29.5"  
*Ventilation  
Supply Air  
Inlet  
4"  
Latches  
12"  
Options  
Warranty  
99-186  
Weatherhoods, Two - 6" c/w  
1/4" mesh screen  
Units carry a lifetime warranty on the heat recovery core and a  
five year replacement parts warranty on all other components.  
99-130W  
Remote Wall Mount Dehumidistat  
Control 24 VAC only,  
99-122  
6” Balancing Damper  
6” Backdraft Damper  
99-RSK6  
3
 
Figure 1  
Blower Performance Curve  
4
 
Installation  
The purpose of this manual is to give the contractor guide-  
lines for installing the Lifebreath Clean Air Furnace. All  
national and local codes relating to this type of equipment  
must be followed.  
Duct Connections  
To accommodate various installations, the Clean Air  
Furnace has knockouts for the return air plenum and ven-  
tilation ducts, on both sides of the cabinet. Special care  
and attention should be given to determining which knock-  
outs are to be removed. (See Fig. 2 & Fig. 3).  
Locating The Unit  
The Clean Air Furnace is designed to be installed vertical-  
ly, in a conditioned space,where the surrounding  
temperature does not fall below 50°F (10°C). Attic installa-  
tions are not recommended. Typically the unit is installed  
in a mechanical area of the basement, or other  
partitioned mechanical room, elsewhere in the home.  
Slide Heat Recovery Core out to remove ventilation  
knockouts. Never install ductwork directly to the cabinet  
that is smaller than the opening provided.  
A location close to an outside wall is recommended, as  
the ventilation supply and exhaust portion will need to be  
ducted to the outside air.  
Sufficient clearance around the unit is required for service  
of the filter, heat recovery core and components.  
Figure 2  
Option 1 - Ventilation Ports Off Left Side  
Remove  
styrofoam  
knockout  
Remove  
styrofoam  
knockout  
Model 60ELE-DF  
Model 60ELE  
NOTE: Return plenum opening can be on either side of cabinet and is not dependent on which side the ventilation ports are on.  
5
 
Installation  
Figure 3  
Option 2 - Ventilation Ports Off Right Side  
Remove  
styrofoam  
knockout  
Remove  
styrofoam  
knockout  
Model 60ELE  
Model 60ELE-DF  
Penetrations from sheet metal screws used to fasten the  
ductwork to the cabinet of the unit should only be placed  
into the duct flange provided. This is to avoid contact and  
damage of the heating/air conditioning coils and internal  
wiring.  
Locating Intake Weatherhood  
The intake weatherhood should be located as follows:  
* 4-6' from ventilation exhaust hood, and upstream of  
prevailing winds, if possible.  
* At least 6' from a dryer vent, oil fill pipes, combustion  
outlets, gas meters, garbage containers or anything  
else, which may contaminate the air.  
Ducting  
The duct sizing for the furnace section can be determined  
using HRAI Residential Air System Design Manual,  
SMACNA, or any other industry-recognized manuals.  
* Do not locate fresh air intake in garages, crawl  
spaces or attics.  
Any ductwork running through unconditioned space must  
be sealed properly and insulated to prevent heat loss. All  
local codes must be followed in determining the amount of  
insulation needed.  
* Install 18" above grade, or above expected snow  
accumulation.  
The ventilation section consists of two 6" (15.2cm) round  
ports located on the side of the cabinet, which vent to the  
outside. Insulated ducting with a vapour barrier such as  
flex-ducting, or ridged pipe wrapped in pipe sleeve, is  
required to prevent condensation from occurring on the  
pipe. Also the airflow in these lines is designed to be bal-  
anced. (See "Balancing Airflows" in this manual, for  
damper location and procedure.)  
Warning: A backdraft damper is required in the exhaust air  
duct to prevent cold air from entering the unit when the  
Clean Air Furnace is not running. Fig. D Page 9.  
6
 
Installation  
Locating the Exhaust Weatherhoods  
The Exhaust Weatherhood should be located as fol-  
lows:  
A small piece of rigid duct (1-2') can be fabricated for  
joining the outside ducting to the port collars. (Fig. D,  
page 12). This section of pipe is needed to accommo-  
date the balancing damper, as required in the  
"Balancing Procedure" in this manual. After installing  
the dampers, the small section of pipe can be fastened  
to the port collars. The ductwork from the outside  
weatherhoods to the unit, is usually flexible ducting,  
although rigid pipe may be needed if the runs are  
greater than 20 feet. In either case the pipes (both  
exhaust and supply and the added fittings) must be  
insulated, with a complete vapor barrier Fig. 4. To mini-  
mize restriction in airflows the ducting should be short,  
with as few bends as possible. See diagram below for  
recommended connection of insulated ducting to out-  
side weatherhoods and the Clean Air Furnace port  
collars.  
* At least 4-6' from the supply inlet.  
* At least 18" above grade or expected snow accu-  
mulation.  
* At least 3' from gas meters, combustion vents, or  
dryer vents.  
* Do not install in garages, crawl spaces or attics.  
Outside Ducting the Weatherhoods  
The ventilation portion of the Clean Air Furnace can be  
vented off either side of the unit by removing knockouts  
provided. Once the knockouts in Fig. 2 / Fig. 3 are  
removed, a bead of silicone can be placed on the plastic  
thermo-collars (provided), to form a seal between the  
collars and the cabinet. The collars can then be fas-  
tened into place with screws. Note the exhaust outlet is  
always the port on the bottom, and the supply inlet is  
always the port on the top, both ports should be labeled  
from the factory as such.  
Figure 4  
Locating Weatherhood  
WEATHERHOODꢀINSTALLATION  
COLLARꢀISꢀSUPPLIEDTOꢀ  
ENSUREꢀVAPOURꢀBARRIERꢀ  
ISꢀ100%ꢀSEALEDTOꢀ  
WALLꢀPLATE  
SCREEN  
(sideꢀview)  
12"ꢀgalvanized  
pipeꢀsupplied  
EXTERIORꢀ  
WALL  
1/4"ꢀ(6ꢀmm)ꢀSCREEN  
(frontꢀview)  
1.ꢀ ThermalꢀCollarꢀslidesꢀoverꢀgalvanizedꢀ  
sleeveꢀofꢀWeatherhood.  
2.ꢀ FastenꢀThermalꢀCollarꢀtoꢀBelt.  
3.ꢀ SlideꢀtheꢀInsulatedꢀFlexibleꢀDuctingꢀoverꢀ  
theꢀWeatherhood'sꢀgalvanizedꢀsleeveꢀandꢀ  
fastenꢀitꢀtoꢀtheꢀThermalꢀCollar.  
4.ꢀ Hoodꢀisꢀhingedꢀtoꢀallowꢀforꢀeasyꢀaccessꢀ  
ꢀꢀ forꢀcleaningꢀofꢀbirdꢀscreen.  
7
 
Installation  
Pitot Tube Air Flow Balancing  
Balancing Procedure  
It is necessary to have balanced air flows in an HRV. The  
volume of air brought in from the outside must equal the  
volume of air exhausted by the unit. If the air flows are not  
properly balanced then:  
The following is a method of field balancing an HRV using  
a Pitot tube, advantageous in situations when flow sta-  
tions are not installed in the ductwork. Procedure should  
be performed with the HRV on high speed.  
* The HRV may not operate at its maximum efficiency  
* A negative or positive air pressure may occur in the house  
* The unit may not defrost properly  
Choose the straightest section of duct between the HRV  
and the weatherhoods. This will be used for both the sup-  
ply and return ducts.  
* Failure to balance the HRV may void warranty  
Drill a small hole in the duct (about 3/16"), three feet  
downstream of any elbows or bends, and one foot  
upstream of any elbows or bends. These are recommend-  
ed distances but the actual installation may limit the  
amount of straight duct.  
Prior to balancing, ensure that:  
1. All sealing of the ductwork system has been completed.  
2. All of the HRV's components are in place and functioning  
properly.  
3. Balancing dampers are fully open.  
4. Unit is on high speed.  
The Pitot tube should be connected to a magnehelic  
gauge or other manometer capable of reading from 0 to  
0.25 in. (0 - 62 Pa) of water, preferably to 3 digits of reso-  
lution. The tube coming out of the top of the Pitot is  
connected to the high pressure side of the gauge. The  
tube coming out of the side of the Pitot is connected to the  
low pressure or reference side of the gauge.  
5. After taking readings of both the stale air to the HRV duct  
and fresh air to the house duct, the duct with the lower  
CFM ([L/s] velocity) reading should be left alone, while the  
duct with the higher reading should be dampered back to  
match the lower reading.  
6. Return unit to appropriate fan speed for normal operation.  
Insert the Pitot tube into the duct, pointing the tip into the  
airflow.  
8
 
Installation  
For general balancing it is sufficient to move the Pitot tube  
around in the duct and take an average or typical reading.  
Repeat this procedure in the other (supply or return) duct.  
(Fig. B.). Determine which duct has the highest airflow  
(highest reading on the gauge). Then damper that airflow  
back to match the lower reading from the duct. The flows  
should now be balanced.  
The Pitot tube comes with a chart that will give the air flow  
velocity based on the velocity pressure indicated by the  
gauge. This velocity will be either feet per minute or  
metres per second. To determine the actual airflow, the  
velocity is multiplied by the cross sectional area of the  
duct being measured.  
This is an example for determing the airflow in a 6" duct.  
The Pitot tube reading was 0.025 inches of water. From  
the chart, this is 640 feet per minute.  
Actual airflow can be determined from the gauge reading.  
The value read on the gauge is called velocity pressure.  
The 6" duct has a cross sectional area of:  
= (3.14 x [6"÷12]2) ÷ 4  
= 0.2 square feet  
Figure A:  
Pitot Tube Air Flow Balancing Kit  
The airflow is then 640 ft./min x 0.2 square feet = 128cfm  
For your convenience, the cross sectional area of some  
common round duct is listed below:  
DUCT DIAM. (inches)  
CROSS SECTION AREA (sq. ft.)  
5.0  
6.0  
7.0  
.14  
.20  
.27  
The accuracy of the airflow reading will be affected by  
how close to any elbows or bends the readings are taken.  
Accuracy can be increased by taking an average of multi-  
ple readings as outlined in the literature supplied with the  
Pitot tube.  
c/w magnetic gauge, Pitot tube, hose and carry case.  
PART NO. 99-167  
Figure B:  
Pitot Tube and Gauge  
Figure D  
Note: For best results, keep Pitot tube well away from dampers and  
motor turbulence.  
Figure C:  
Placement of the Pitot Tube  
Pitot Tube  
Note: For best results keep Pitot tube  
well away from dampers.  
*Note: All dampers & fittings must be covered with insulation and sealed with tape  
9
 
Installation  
Drain Line  
The ventilation portion of the Clean Air Furnace has two  
drain pans for removing condensation, which may occur  
on the heat recovery core during cold weather. See Fig. 5,  
for connection.  
Figure 5  
Drain Line Diagram  
DRAIN  
SPOUT  
2"  
DRAIN  
SPOUT  
KNOCKOUT  
TAPE  
KNOCKOUT  
TEE  
CONNECTOR  
THROUGH KNOCKOUT  
TO DRAIN  
10  
 
Wiring Diagram  
R - W  
R - G  
= Heat  
= Fan Only (optional dehumidistat)  
G - R - Y - C = A/C  
Electrical  
The low voltage thermostat (not provided) connects to the  
R & W terminals for heating and the R & Y & C terminals  
when calling for cooling.  
The Clean Air Furnace operates at 240V, single phase  
and requires a maximum 100amp fused circuit or breaker.  
IMPORTANT  
WIRE IN ACCORDANCE WITH LOCAL AND  
CANADIAN ELECTRICAL CODES. READ  
CAREFULLY INSTALLATION INSTRUCTION  
BEFORE WIRING AND OPERATING.  
THERMOSTAT  
LEGEND  
A
THR  
T
AUTOMATIC RESET CUT-OUT  
THERMAL RELAY  
R
R
W
G
Y
Y
C
C
FILTRE ELECTRONIQUE  
HUMIDIFICATEUR  
120VAC 60HZ  
PDS  
240/1  
CONTROL CIRCUIT TRANSFORMER  
E1..E4 HEATING ELEMENTS  
CH  
F
BLOWER RELAY 2 SPEEDS  
FUSE 15 AMPS 250 V  
PRESSURE DIFFERENTIAL SWITCH  
BACK-UP CONTACTOR  
COOLING CONTACTOR  
HUMIDIFIER  
ELECTRONIC AIR FILTER  
BLOWER MOTOR 120VAC  
CAPACITOR  
W
G
HU  
FI  
N
N
G
L1  
L2  
PDS  
CM  
CR  
HU  
EF  
M1  
CAP  
CG  
CM  
F1  
T
24V  
240VAC  
COOLING RELAY  
THR1  
THR2  
CG  
IMPORTANT  
SUIVRE LES CODES ELECTRIQUE NATIONAUX  
ET LOCAUX AINSI QUE LES INSTRUCTIONS  
CONTENUES DANS L'APPAREIL.  
N
LÉGENDE  
SONDE THERMIQUE À RESET  
AUTOMATIQUE  
CG  
CR  
A
F
THR  
T
RELAIS THERMIQUE  
TRANSFORMATEUR  
E1..E4 ÉLÉMENTS DECHAUFFAGE  
ÉLECTRIQUE  
CR-2  
CR-3  
CR-1  
CR-4  
15A  
HI  
CH  
HU  
EF  
M1  
PDS  
RELAIS DE MOTEUR, 2 VITESSES  
HUMIDIFICATEUR  
FILTRE À AIR ÉLECTRONIQUE  
MOTEUR DE VENTILATEUR  
INTÉRRUPTEUR À PRESSION  
DIFFERENTIELLE  
4
1
6
3
5
2
CH  
BLOWER  
MOTOR  
A
A
THR1  
CAP  
M1  
FILTER  
CM  
CR  
CAP  
F
CONTACTEUR SECONDAIRE  
CONTACTEUR DE CLIMATISATION  
CONDENSATEUR  
M1  
THR1  
M2  
M4  
CM  
CH-3  
CH-4  
FUSIBLE 15 AMP, 250V  
M3  
THR2  
ML  
CG  
RELAIS DE CLIMATISATION  
6
5
2
4
A
A
FAN SW  
CH-2  
MED  
LOW  
FOR MINIMUM SUPPLY  
CONNECTION USE 75˚C  
COPPER. AWG SIZE  
SUPPLY  
CIRCUIT  
LO  
M5  
THR2  
M6  
M8  
CH-1  
MD  
240V/1  
18 KW  
M7  
1
3
#3  
CODE  
DESCRIPTION  
AUTOMATIC RESET CUT-OUT  
MODEL  
MAKE  
RATING  
PART #  
CC0 010  
CFH 015  
CFU 035  
QTY.  
A
F
F
60TX11-312373  
HKP-HH  
4
1
25 AMP 277V  
15 AMP 240V  
15 AMP 240V  
25 AMP 240V  
THERMO DISC  
BUSS  
FAN MOTOR, ELECT. FILTER& HUM. SUPPLY FUSEHOLDER  
1
1
1
1
1
1
1
MDL 15  
FAN MOTOR, ELECT. FILTER& HUM. SUPPLY FUSE  
4 POLE SEQUENCER  
BUSS  
THR  
CR  
CCT 130  
DEC 010  
CCT 145  
PMC 012  
15S24  
THERMODISC  
HONEYWELL  
COOLING FAN RELAY COIL 120V 50/60HZ  
R4222D1039  
15A 277V  
15A 277V  
CH  
HEATING FAN RELAY COIL 208/240V 50/60HZ  
LOW SPEED CONTINUOUS  
9100-233U999  
115A13-2XA  
PRODUCTS UNLIMITED  
CARLINGSWITCH  
16A 120V  
FAN SW  
T
4000-09AW18AE887  
TA-6-I  
CONTROL TRANSFORMER  
GROUND LUG  
PRODUCT UNLIMITED  
240V/24V 50VA  
35 AMP  
CTR 090  
CLG 010  
CP1 054  
G
ILSCO  
WECO  
R--C  
15 AMP 240V  
CONTROL TERMINAL BLOCK TO THERMOSTAT  
324-FU-HDS/12  
HU--MD  
L1..3  
15 AMP 240V  
125 AMPS  
CPI 056  
CP1 070  
1
1
BLOWER MOTOR, ELECT. FILTER& HUM. TERMINAL BLOCK  
WECO  
324-FU-HDS/12  
3P-PWR-BLK  
THERMOLEC  
STEVECO  
CLEVELAND  
POWER TERMINAL 3 POLE  
CG  
25 AMPS  
1
1
CONTROL RELAY COIL 24V  
PRESSURE DIFFERENTIAL SWITCH  
CCT 139  
CAF 010  
134-20102101ZZ  
DFS-221-112  
PDS  
15 AMP 240V  
*120 Volt terminals are provided for connecting an air filtration device/humidifier. These termi-  
nals are labeled HU F1 N as shown above.  
11  
 
Start Up Procedure  
In order for any appliance to work properly it must be set  
up and tested by a knowledgeable technician.  
NOTE: Continuous low speed can be turned ON/OFF  
with the ventilation switch, (fig. 6).  
The following conditions must be met prior to start-up  
1. Blower wheel rotates freely inside its housing.  
2. Wiring connections are tight.  
NOTE: Continuous high speed can be obtained by  
switching thermostat fan switch to manual/on.  
NOTE: For models with the ECM blower motor. Low  
speed fan is controlled by the thermostat fan  
switch (R and G terminals).  
3. Water is sitting in the "P" trap below the HRV core.  
4. All duct and pipe connections are sealed.  
5. Front access door is on tight.  
High speed blower operation is obtained by  
making a dry contact closure across R and the  
Orange wire from the ECM motor.  
Once all of the necessary connections have been made,  
the Clean Air Furnace Start-Up Procedure is as follows:  
1. Turn on power supply to Clean Air Furnace. Caution:  
The blower will start running at a lower speed.  
NOTE: Downflow models incorporate a flow  
switch to verify blower operation and air-  
flow. If airflow is not sensed or the  
2. Switch the room thermostat to heat. The thermostat  
should be set higher than the current room temperature  
in order to energize the unit and commence the heating  
cycle.Verify heat cycle starts.  
pressure switch is blocked, the electric  
heating elements will NOT start. NEVER  
override or disable safety switches. If air-  
flow is blocked or too low, the airflow  
MUST be diagnosed and corrected.  
3. Set room thermostat at desired temperature setting.  
4. Switch fan to manual at the thermostat so the unit will  
run at high speed in order to perform the balancing pro-  
cedure on the ventilation section.  
Note: For ECM motors, refer to note located on this  
page regarding high speed fan operation.  
5. After balancing the ventilation according to instructions,  
set the thermostats fan switch to "auto". On "auto" the  
fan will run continuously at a low speed if the ventila-  
tion switch (fig. 6) is in the continuous mode, until  
heating or cooling is called for and then will switch to a  
higher speed. On "manual" the fan will run at high  
speed continuously.  
12  
 
Operation  
Heating/Cooling  
Ventilation  
When the room thermostat calls for heat, the furnace  
blower switches on to heating speed and will start circu-  
lating air across the coil, which picks up heat and  
delivers it to the rest of your home.  
The heat recovery ventilation (HRV) portion of the Clean  
Air Furnace, is automatic. Once set, a desired amount  
of fresh air will be drawn into the home while the fur-  
nace blower is activated.  
Once the thermostat's temperature is reached the ele-  
ments will shut off, and the blower will return to its  
pre-set speed or off.  
To reduce humidity increased ventilation may be  
required. An optional remote dehumidistat can be  
installed. The dehumidistat will increase the speed of  
the furnace blower to high and will return to its original  
setting when humidity levels decrease. Your dehumidis-  
tat must be switched off during warmer months as it is  
not required for air conditioning operation. To increase  
humidity a quality humidifier should be added to the sys-  
tem.  
Note: When the furnace blower is left running on  
low speed the air in the home circulates continu-  
ously. When the heat is called for the blower will  
automatically switch to a higher speed. After the  
required hot air has been delivered the blower will  
switch back to low speed.  
When the thermostat calls for cooling (optional A coil  
and condensing unit required) the furnace blower acti-  
vates to high speed and the outdoor condenser unit is  
energized. After the thermostat temperature is reached  
the condensing unit will shut off, and the blower will  
return to its low speed. Continuous low speed is selec-  
table, (fig. 6).  
Typically the air flow for ventilation will be set to 50 -  
70cfm, for low speed furnace operation, and  
100 - 150cfm at high speed. The pleated furnace filter  
should be checked regularly and replaced as needed.  
The HRV filter should be washed twice a year or more  
often if needed.  
Figure 6  
Low speed selection switch (PCS motor models only)  
(CONTINUOUS or OFF)  
Top  
13  
 
Troubleshooting  
Lack of heat  
Humidity levels are too low  
1. If you have installed a dehumidistat ensure that its set-  
ting is correct.  
1. Check that the room thermostat is set to the desired  
temperature.  
2. Ensure there is power to the unit.  
2. Check humidifier settings.  
3. Verify that the airflow in and out of the system matches  
designed specs. If airflow is low, check for blockage in  
the filter or some other obstruction.  
3. Change thermostat fan switch from manual to automat-  
ic.  
4. Change ventilation switch on furnace from continuous  
(low) to automatic.  
HRV core freezes up  
1. Make sure that the supply and exhaust lines are bal-  
anced according to the "Balancing Procedure" in this  
manual.  
Humidity levels are too high  
1. If you have installed a dehumidistat ensure its setting is  
correct.  
2. If out of balance, ensure that the balancing dampers  
have not been moved and that there are no obstruc-  
tions in the outside hoods.  
2. Install a dehumidistat if necessary  
3. Change ventilation switch on furnace from automatic to  
continuous.  
3. If necessary, install optional defrost kit, according to  
instructions.  
4. Change thermostat fan switch from  
automatic to manual.  
Water sits in drain pipes  
1. Check drain pans or lines for plugs.  
2. Confirm that the HRV core is installed according to  
manufactures recommendations.  
3. Check the drain line for kinks.  
4. Make sure that the O-ring in the drain nozzles sit flat.  
5. Ensure the drain line has enough "fall" to it.  
Condensation/ice forming inside ventilation ducts  
A rip in the vapor barrier or poorly sealed joints may  
cause condensation or ice to form on the ducting. If this  
occurs, replace the entire line.  
14  
 
Maintenance and Service Record  
Date:  
Particulars  
15  
 
 

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