Reznor, Guardian GB GR and GS, Installation Manual, EN 2021-08, D301214 Iss D Page No 17
I
Figure 15.3 Mounting bracket top view
Figure 15.3 shows the dimensions of the bracket
section that is to be fixed to the unit using 4 x M10
x 30mm 8.8 set screws, 4 x shake prove washers and
4 x flat washers. Use the four fixing points supplied
in the casing
1. Using the details supplied with the bracket
position the bracket against the wall at the
desired mounting height and mark through the
holes
2. Drill the wall then fix the brackets in position. Lift
the chassis (using lifting gear if necessary) onto
drop rods in the bracket
3. Ensure the unit is level and then tighten the
fixing points with a final check to ensure the unit
is level
4. Follow the instructions 6 to 10 of the drop rod
mounting instructions grille
.
Figure 16 Mounting bracket option
Figure 16.1 Mounting bracket fitted to GB unit
Installation details - LPHW Only
Installation of the LPHW unit is as described earlier.
Once situated, access to the heating coil and
controller base unit is via removal of the case front.
The LPHW copper tubing connections are 22mm
outside diameter. Ensure correct water seal fittings
are used. It is recommend to use a suitable water
mains isolation valve to ease any maintenance.
The unit is handed for right hand pipe connection.
Figure 17 Typical schematic of a 3-port valve
system.
LPHW Connection
