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4. INSTALLATION (CONT’D)
4.4 INSTALLING THE DUCTWORK AND REGISTERS (CONT’D)
4.4.3 S
IMPLIFIED INSTALLATION (AS ILLUSTRATED IN SECTION 3.3)
8
When performing duct connections, always use approved tools and materials. Respect all corresponding
laws and safety regulations. Please refer to your local building code.
WARNING
!
When performing duct connections to the furnace supply duct (Method 1), 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.
CAUTION
There are 2 methods for connecting the unit to the furnace/air handler:
Method 1: Supply-Return Connection Method 2: Return-Return Connection
VJ0077
A
B
MINIMUM 18”
M
ETAL DUCT
A+B = NOT LESS
THAN 10’
VJ0078
B
A
A+B = NOT LESS
THAN 10’
MINIMUM 3’
Stale air intake
• Cut an opening into the furnace return duct not less than 10 feet from the furnace/air handler (A+B).
• Connect this opening to the Exhaust air from building port of the unit.
Fresh air distribution
• Same instructions as for Method 1 or Method 2, Section 4.4.2.
For Method 2 (Return-Return), make sure there is a distance of at least 3 feet between the 2 connections to the furnace/air
handler.
If using Method 2, make sure the furnace/air handler blower operation is synchronized with the unit
operation! See Section 6 Electrical Connection to the Furnace.
CAUTION
NOTE: For Method 1, it is not essential to synchronize the furnace blower operation with the unit operation, but we recommend it.
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Productinformatie
| Merk | Broan |
| Model | HRV90S |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 7602 MB |
