Utica Boilers CuB Series 安装指导

GND

OUT

+5V

47

42

72

114

136

297

95

°

T

°

T

278

32

16

44

120Vac

60Hz

GND

+ 15V

OUT

5 6

4

1 2

138

1      4

X2

X7

1

M

370

3

Key
16  Modulating fan

32  Heating circulating pump

42  DHW temperature sensor

44  Gas valve

47  Modulation Regulator

72  Room thermostat (fi eld sourced)

81  Ignition/detection electrode

95  Diverter valve

114 Water pressure switch

136 Flow meter

138 External probe (fi eld sourced)

278 Double sensor (Safety + Heating)

297 Air pressure transducer

370 LWCO - fi eld sourced (fi eld sourced)

370 - Field Source LWCO

138 - Optional Outdoor Sensor

Important: Before connecting the room thermostat, remove the jumper on terminal block.