Cor HRVCRSVU1157 Інструкція з монтажу Посібник з монтажу - Сторінка 7
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Metal duct
Fig. 11 - Main supply leading to registers
S Make sure the unit duct forms an elbow inside the furnace/air
handler ductwork.
S If desired, interlock (synchronize) the furnace/air handler blower
operation (see page 11, ELECTRICAL CONNECTION TO
FURNACE).
Method 2: Return side connection
S Cut an opening into the furnace return duct not less than 10- ft
(3.1 m) from the furnace/air handler (A+B).
S Connect this opening to the Fresh air distribution port of the
unit (see Fig. 12).
NOTE: For Method 2, it is not essential that the furnace/air
handler runs when the unit is operation, but we recommend it. If
desired, interlock (synchronize) the furnace/air handler blower
operation (see page 11, ELECTRICAL CONNECTION TO
FURNACE).
A+B=Not less
than 10-ft (3.1m)
Fig. 12 - Return side connection
Simplified installation
WARNING
!
PROPERTY DAMAGE HAZARD
Failure to follow this warning could result in property damage.
When performing duct connections, always use approved tools
and materials. Respect all corresponding laws and safety
regulations. Please refer to your local building code.
Minimum 18-in
(0.5m)
There are 2 methods for connecting the unit to the furnace/air
handler.
Stale air intake
S Cut an opening into the furnace/air handler return duct not less
A11200
S Connect this opening to the Exhaust air from building port of
Fresh air distribution
A
S Same instructions as for Method 1 or Method 2.
B
A11201
7
CAUTION
!
PROPERTY DAMAGE HAZARD
Failure to follow this caution may result in property damage.
When performing duct connections to the furnace supply duct,
this duct must be sized to support the additional airflow
produced by the unit. Also, the use of metal duct is highly
recommended. For a Return- Return installation, the furnace
blower must be in operation when the unit is in operation.
than 10- ft (3.1 m) from the furnace/air handler (see Fig. 13)
the unit.
Metal duct
A
A+B = Not less
than 10-ft (3.1 m)
Fig. 13 - Method 1: Supply- return connection
For Method 2 (Return- return), make sure there is a distance of at
least 3- ft (0.9 m) between the 2 connections to the furnace/air
handler. See Fig. 14.
Fig. 14 - Method 2: Return- return connection
CAUTION
!
PROPERTY DAMAGE HAZARD
Failure to follow this caution may result in property damage.
If using Method 2, make sure the furnace/air handler blower
operation is synchronized with the unit operation. See page
11, ELECTRICAL CONNECTION TO THE FURNACE.
Minimum 18-in
(0.5 m)
B
A11202
A
B
A+B = Not less
Minimum 3-ft
than 10-ft (3.1 m)
(0.9 m)
A11203