Laars Rheos RHCH, Installation And Operation Instructions Manual

Page: 56 / 60

LAARS Heating Systems
Page 56
Tables Listing
Table 1 Terminals for Outdoor Installation......................6
Table 2 Clearances ........................................................6
Table 3 Vent / Air Pipe Sizes ..........................................7
Table 4 Horizontal Vent and Air Terminals
For Indoor Installations ......................................9
Table 5 Required Combustion Air Piping Material..........9
Table 6 Required Venting Material .................................9
Table 7 Gas Piping Sizes .............................................10
Table 8 Water Flow Requirements – RHCH (Boiler) ....13
Table 9 Water Flow Requirements – RHCV
(Water Heater) .................................................15
Table 10 Air & Gas Orifice Differentials at Full Fire ........40
Figures Listing
Figure 1 Dimensional Drawing ........................................5
Figure 2 Combustion Air and Vent Through Roof ............7
Figure 3 Combustion Air and Vent Through Side-Wall ....8
Figure 4 Hydronic Piping – Multiple Boilers,
Primary Secondary System .............................12
Figure 5 Hydronic Piping – Multiple Boilers,
Low Temerature System ..................................12
Figure 6 Hydronic Piping – One Boiler,
Multi-Temperature System ..............................13
Figure 7 Hydronic Piping - Alternate System .................14
Figure 8 Hydronic Piping - Alternate Low
Temperature System .......................................14
Figure 9 Water Heater Piping – One Heater, One Tank .... 16
Figure 10 Water Heater Piping – Multiple Heaters,
One Tank .........................................................16
Figure 11 Water Heater Piping – One Heater,
Multiple Tanks ..................................................17
Figure 12 Water Heater Piping – Multiple Heaters,
Multiple Tanks ..................................................17
Figure 13 Temperature Control........................................19
Figure 14 Proprotional Control ........................................20
Figure 15 Control Parameter Graph ................................22
Figure 16 Control Parameter Possible Interference ........23
Figure 17 Control Parameter Possible Interference ........23
Figure 18 Wiring Diagram, Model 1200,
Standard and Codes A, C, E, F and G ............26
Figure 19 Wiring Diagram, Models 1600, 2000 and 2400,
Standard and Codes A, C,E, F and G .............27
Figure 20 Wiring Diagram Model 1200,
Codes B and E ................................................28
Figure 21 Wiring Diagram, Models 1600, 2000 and 2400,
Codes B and E ................................................29
Figure 22 Wiring Diagram, Model 1200, Pump-Mounted,
Standard and Codes A, C, E, F and G ............30
Figure 23 Wiring Diagram, Models 1600, 2000 and 2400,
Pump-Mounted,
Standard and Codes A, C, E, F and G ............31
Figure 24 Wiring Diagram, Model 1200, Pump-Mounted,
Codes B and E ................................................32
Figure 25 Wiring Diagram, Models 1600, 2000 and 2400,
Pump-Mounted, Codes B and E......................33
Figure 26 Wiring Schematic, Model 1200,
Standard and Codes A, C, E, F and G ............34
Figure 27 Wiring Schematic, Models 1600, 2000 and 2400,
Standard and Codes A, C,E, F and G .............34
Figure 28 Wiring Schematic, Model 1200,
Codes B and E ................................................35
Figure 29 Wiring Schematic, Models 1600, 2000 and 2400,
Codes B and E ................................................35
Figure 30 Wiring Schematic, Model 1200, Pump-Mounted,
Standard and Codes A, C, E, F and G ............36
Figure 31 Wiring Schematic, Models 1600, 2000 and 2400,
Pump-Mounted,
Standard and Codes A, C, E, F and G ............36
Figure 32 Wiring Schematic, Model 1200, Pump-Mounted,
Codes B and E ................................................37
Figure 33 Wiring Schematic, Models 1600, 2000 and 2400,
Pump-Mounted, Codes B and E......................37
Figure 34 Gas/Air Test Panel ...........................................39
Figure 35 Test Panel Valves ............................................39
Figure 36 Gas Trains .......................................................43
Figure 37 Gas Train .........................................................44
Figure 38 Control Panel...................................................44
Figure 39 Combustion Components ................................50
Figure 40 Gas Train/Combustion Air Components ..........51
Figure 41 Gas Train Components ...................................52
Figure 42 Electrical Components ....................................53
Figure 43 Heat Exchanger / Water Path ..........................54
Figure 44 Jacket Components.........................................55