41
8.4 Access To Connection Block
1.
Ensure there is no line voltage at boiler.
2.
Lift and remove front cover. Remove screws (2)
from cover on junction box located on boiler's left
side. Remove junction box cover.
3.
Guide controller or thermostat wire through round
grommet(s) located on top panel of boiler.
4.
Tilt control box forward by opening holding clip
located on left side of control housing.
5.
Expose M1 and M2 terminal blocks by removing
screw from plastic cover on left. See Figure 8-3.
6.
Remove plastic from channel in plastic cover. Run
wires through new opening.
7.
Connect wires to appropriate terminals on
connection block.
8.
Tilt control box back to original position. Ensure clip
on left side of control box is fully engaged.
9.
Replace front cover and cover to junction box.
10.
Turn power to boiler on.
Dry contact end switches from various manufacturers
can be attached to boiler control PCB.
8.5 Main Supply Connection
Main supply is connected to terminal block
M1
which is
high voltage (120V / 60Hz).
Fuses, 3.15 A, are incorporated in the power supply
terminal block. To check or replace fuse pull out black
fuse carrier.
TERMINAL BLOCK M1
(L) = Live (brown)
(N) = Neutral (light blue).
= Ground (yellow-green).
(1) (2) = contact for 120V Room Thermostat.
Place jumper back on terminals 1-2 of boiler terminal
block
M1
if room thermostat is not used or if Remote
Control is not installed.
FIGURE 8-2 Terminal Block Locations
Fuse Holders (2)
DANGER
Electrocution Hazard! HIGH VOLTAGE -
Connections in terminal block M1 are high
voltage (120V / 60Hz). Before making
connections, verify appliance is disconnected
from power supply. Respect the input polarity
on terminal block M1: L (LINE) - N (NEUTRAL).
Failure to follow these instructions WILL result in
death or serious injury.
!
FIGURE 8-3 Terminal Plastic Cover with Knockouts
Remove
New Opening
8 - ELECTRICAL CONNECTIONS
TERMINAL BLOCK M2
Terminals 1 - 2
: Buss connection of Open Therm
Gateway for ECR programmable room unit thermostat
Terminal 3 :
Not used on Combi units
Terminals 3 - 4
: Indirect storage tank sensor
connection for heat-only boilers
Terminal 4 - 5:
Outdoor temperature sensor
connection (supplied as an accessory)
Terminals 6 - 7 - 8:
24V room thermostat connection
Terminals 9 - 10:
0 - 10V connection
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 ...