Lochinvar HWHC 44-370 G CE Installation, Commissioning, User & Maintenance Instructions page 122

F
Fan................................................. 49
Filling.............................................. 69
Filling the solar heating system........... 70
Filling unvented installations............... 69
Filling vented installations...................70
Filling with glycol...............................71
Finalization....................................... 92
Flame probe..................................... 50
Fluid temperature..............................51
Flushing with water........................... 70
G
Gas connection................................. 58
Gas control valve.............................. 49
Gas details..................................... 107
Gas-side maintenance........................91
General errors.................................. 94
H
Hot water side............................. 56, 57
Hysteresis........................................ 82
I
Installation....................................... 53
Installation diagram...........................55
Installation, Maintenance and Service
part................................................. 41
Instructions on the water heater..........48
Interface.......................................... 19
Introduction................................ 43, 15
Isolate from the mains....................... 27
Isolating transformer......................... 66
L
Liability..............................................3
M
Main menu....................................... 28
120
Mains power..................................... 66
Maintenance..................................... 89
Maximum floor load........................... 53
Menu structure................................ 113
N
Notation conventions........................... 7
Notation conventions for menu-related
instructions...................................... 29
O
OFF................................................. 21
ON.................................................. 21
Operating cycle................................. 45
Operating modes...............................21
Operator interface........................81, 19
Optional electrical connections............ 66
P
Packaging.........................................53
PC connection................................... 21
Preface.............................................. 3
Preparation.......................................89
Preparation.......................................65
Preparation.......................................68
Pressure switch................................. 49
Procedure for checking the gas control
valve pressure.............................73, 73
Procedure for checking the supply
pressure...........................................71
PROG...............................................22
Program-controlled pump................... 66
Programming an extra period..............36
Protection for the solar heating system.50
Protection for the water heater............49
Q
Q/T Sensor warning........................... 23
R
Recycling......................................... 51
Regulations........................................ 4
Installation, Maintenance and Service part