60
11.6 Hydraulic Unit (DHW)
For special areas, where water is harder than 200 ppm
or 12 grains/ gallon, install polyphosphate dispenser or
equivalent treatment system, compliant with current
regulations.
LEGEND
A
DHW Exchanger Screw
B
DHW Priority Sensor
C
Boiler/System Drain Tap
D
Controlled Fast Fill
E
DHW Temperature NTC Probe
F
Low Water Pressure Cutoff
G
DHW Cold Inlet
H
DHW Outlet
11.7 Cleaning The Cold Water Filter
Boiler is fitted with cold water filter located on DHW
hydraulic assembly (
B
). To clean:
• Drain domestic hot water system. (C - 115 & 150)
•
165 Drain is field supplied/installed.
• Remove nut on DHW priority sensor unit using 18
mm wrench. (B)
•
Pull out flow sensor and its filter.
• Remove any impurities.
11.8 Final Commissioning
• Allow heating system to heat. Balance the system
to achieve temperature difference across heating
supply and return pipes at the boiler.
• Check system for proper volume and pressure. See
page 4 for acceptable volume and pressure.
•
Turn off boiler.
•
Thoroughly flush water pipe work. Clean filters in
heating return and supply water isolating valves.
• Repressurize the system.
11.9 Final Assembly
• Place front jacket in position over boiler. Secure in
position at top using screws previously removed.
• If boiler is to be left in service with the User, set
controls and room thermostat.
• If boiler is not to be handed over immediately,
close boiler gas service valve and turn off electrical
supply.
• If there is possibility of boiler being left during frost
conditions drain boiler and system. See section
11.3 Component Replacement and Cleaning.
Manufacturer recommends attaching a label to the
boiler drawing attention to the fact that the system
has been drained.
Model MACF-115 & 150
Hydraulic Assembly (Combi-150)
NOTICE
When replacing and/or cleaning “O-rings” on
hydraulic assembly (DHW), use only Molykote
111 as a lubricant, not oil or grease.
11 - GENERAL MAINTENANCE AND CLEANING
H
H
G
G
LEGEND
A
DHW Exchanger Fixing Screw
B
DHW Priority Sensor With Filter
C
Boiler/System Drain Tap (150 Unit Only)
(
C-1 & C-2:
Access To Tap
C
- Bottom Of
Boiler)
D
Boiler / System Filling Tap (150 Unit Only)
E
DHW Temperature NTC Probe
F
Low Water Cutoff
Model MACF-205
B
A
Hydraulic Assembly (B)
F
E
FF
EE
D
D
CC
AA
BB
240013371 REV B, [10/01/2021]
Содержание MACF-115
Страница 2: ...MACF 150 ...
Страница 4: ...MAHF 125 ...
Страница 74: ...70 A 1 MODEL 100 Heat Only APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...
Страница 75: ...71 A 2 MODEL 125 Heat Only APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...
Страница 76: ...72 APPENDIX A WIRING DIAGRAMS A 3 MODEL 165 Heat Only 240013371 REV B 10 01 2021 ...
Страница 77: ...73 APPENDIX A WIRING DIAGRAMS A 4 MODEL 115 Combi 240013371 REV B 10 01 2021 ...
Страница 78: ...74 A 5 MODEL 150 Combi APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...
Страница 79: ...75 A 6 MODEL 205 Combi APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...
Страница 80: ...76 NOTES 240013371 REV B 10 01 2021 ...
Страница 81: ...77 NOTES 240013371 REV B 10 01 2021 ...
Страница 82: ...78 NOTES 240013371 REV B 10 01 2021 ...
Страница 117: ...33 MODEL 100 Heat Only 100 HEAT ONLY WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Страница 118: ...34 MODEL 125 Heat Only 125 HEAT ONLY WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Страница 119: ...35 MODEL 165 Heat Only 165 HEAT ONLY WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Страница 120: ...36 115 COMBI WIRING DIAGRAM MODEL 115 Comb PN 240012875 REV C 10 01 2021 ...
Страница 121: ...37 MODEL 150 Combi 150 COMBI WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Страница 122: ...38 MODEL 205 Combi 205 COMBI WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Страница 127: ...43 LOW WATER CUTOFF DETAIL LOW WATER CUTOFF NO NO YES PN 240012875 REV C 10 01 2021 ...
Страница 132: ...48 3 FAULT SOLUTION SECTIONS PN 240012875 REV C 10 01 2021 ...
Страница 135: ...51 Parameter ID Changed From Changed To Date Reason PARAMETER CHANGE HISTORY PN 240012875 REV C 10 01 2021 ...