Dimensions Liquid tank Internal dimensions of liquid tank Controller LOW 198 (35) (o79) o35 Max. liquid level 188 Min. liquid 9 level 76 10 o147 I.D.130 Temperature sensor RUN LED (Green) TROUBLE LED (Red) Rubber foot Circulating pump 30 332 200 138 198 (9) THERMO-CON 30 207 138 (204) 15 Model no. label DC cable Signal cable IN DC SIGNAL OUT WARNING WARNING 25 83 49 148 41 41 Warning label Facility water inlet Rc1/4 DC connector Signal connector Facility water outlet Rc1/4 WARNING THERMO-CON 340 (75) 60 37 230 68 116 20 Warning label Air OUT Fan Power cable DC cable Signal cable Model no. label Ventilation hole (Air IN) The opposite face has the same shape. SIGNAL ALARM DC OUTPUT AC 86 22 96 19.5 30 190 138 99 62 36 Alarm output connector Fan (Air OUT) DC output connector Communication connector Power connector Signal connector 102 53 95 180 250 170 Air IN Air IN Power switch TROUBLE LED (Red) RUN LED (Green) Display/Operation panel For -N spec. NPT1/4 For -N spec. NPT1/4 Series HEB 1418