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4. HEATER CONFIGURATION
4.1
HEATER DUCT POP INSTALLATION
On all SP series heaters, the duct connection pops need to be fastened to the heater cabinet as follows:
•
Insert pops into the hole in the pop plate, ensuring the pop flange is placed over the prescribed wall of the
cabinet, refer to Table 4.
•
Spread pop flange to fit tightly into the hole in the cabinet (the notch side overlapping the other).
•
Secure pops with the rivets supplied.
Table 4. Pop Installation
Matrix
Universal Model Cabinet
Internal Model Cabinet
4.2
DUCT CONNECTION CONFIGURATION OPTIONS
(Not applicable BX5 Models)
For SP Series heaters, the return air and supply air duct connections can be reconfigured. That is, the heater panels
can be repositioned to move the duct outlet/inlet to the back or to the side of the unit to suit the specific installation.
Change Duct Connection Locations
Simplistically, the heater unit is made up of two cabinets: a heater cabinet (air heating components) and a fan
cabinet, (supply air fan). Diagram 10 identifies three pop positions on the heater cabinet (H1, H2 and H3) and three
pop positions on the fan cabinet (F1, F2 and F3).
Diagram 10. Duct Connection Options
SUPPLY AIR
SIDE
SP430U and SP435U: The pops can be configured to support any combination of the following options:
•
Return air pop: Can be positioned at F1 or F2 (Diagram 10).
•
Supply air pop: Can be positioned at H1, H2 or H3.
SP415U, SP421U, SP5U and SP6U: The pops can be configured to support any combination of the following
options:
•
Return air pop: Can be positioned at F1, F2 or F3 (Diagram 10).
•
Supply air pop: Can be positioned at H1, H2 or H3.
SP5 and SP6 Internal: The return air pop can be configured to support any combination of the following options:
•
Return air pop: Can be positioned at F1 or F2 or F3 (Diagram 10).
•
Supply air pop: Can be positioned at H3 only.
Rinnai
No. of Walls
SP4
2
SP5
1
SP6
1
SP5
1
SP6
1
H1
HEATER CABINET
H3
Supply Pop
Position
from
Factory
H2
Return Air
Install Pop
Inner Wall
No Option
No Option
No Option
No Option
Return Pop Position
from Factory
F1
FAN CABINET
F2
16
Supply Air
No. of Walls
Install Pop
2
Inner Wall
2
Inner Wall
2
Inner Wall
2
Inner Wall
2
Inner Wall
F3
RETURN AIR
SIDE
Ducted Gas Heater IM
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