17
Electrical Connections- 21 kW to 12kW Booster Conversion
Installation
ATTENTION
21kW to 12kW
Booster Conversion
Disconnect all power from the unit.
1
Remove the booster cover.
2
Remove the jumper wires from the 9kW element.
Connect a jumper wire between 73 on the 6kW elements.
3
Remove the power wire #74 from the 9kw element.
4
Reconnect the power wire #74 to the #74 strap on
the left 6kW element.
5
Double-check all wiring.
Replace the booster cover.
6
7
8
Conversion is complete.
9
The booster is shipped from the factory wired for 21kW operation.
For 12kW operation, the booster must be reconnected as shown below.
74
74
74
73
73
73
75
75
75
21kW Booster
74
74
74
73
73
73
75
75
75
12kW Booster
6kW
6kW
9kW
6kW
6kW
9kW
73
75
74
#73 and #75 FROM SSR
#74 DIRECT FROM CABINET
73
75
74
#73 and #75 FROM SSR
#74 DIRECT FROM CABINET
P/N 115817 rev. A