Install Instructions

Circuit diagrams 15

We reserve the right to make any changes due to technical modifications.

Installation and maintenance instructions Logano G215 US oil/gas-fired boilers • Issue 2014/10

Fig. 82 Boiler block and burner door

Using Hydrolevel HydroStat with Honeywell R7148B or Genisys 7505B

1. Connect room thermostat or end switch to T and TV terminals on control.

2. Connect incoming 120VAC power source to the control.

3. Connect Line Voltage to terminal L1, and Neutral to terminal L2.

4. Connect the black wire from the Honeywell or Genisys to terminal B1 on control.

5. Connect the white wire from the Honeywell or Genisys to terminal B2 on control.

6. Connect the green wire from Honeywell or Genisys to ground screw on control.

7. Connect the red wire from the Honeywell or Genisys to L1 on control.

8. Install a jumper between TT on Honeywell or Genisys.

NOTE: Do not connect a room thermostat or end switch to TT on the Honeywell

R7148B or Genisys 7505B control.

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