CAUTION! Before putting the boiler into operation read this manual carefully. WARNING!

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Solomon Merritt
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1 CAUION! Before putting the boiler into operation read this manual carefully. WARNING! Improper installation, adjustment, alteration, service or maintenance can cause injury, loss of life or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency or the gas supplier. CAUION! he operating manual is part of the documentation that is delivered to the installation's operator. Go through the information in this manual with the owner/operator and make sure that he or she is familiar with all the necessary operating instructions.

6 high temp manual reset -see note 5 reset button boiler pump group GB162 AM10 single boiler low loss header PK pump low water cut-out (LWCO) - see notes 3 & 4 Supply Return high temp heating circuit 1 Notes: 1. Contractor to furnish and install LWCO and High emp Manual Reset devices as require by local codes. 2. Do not install any type of valve or check valv in between LWCO and Boiler. 3. Refer to the manufacturer s instructions whe installing the low water cut-out (LWCO). 4. LWCO must be located above the highest point of the boiler heat exchanger. 5. Hi emp Manual Reset remote sensing bulb must be in the boiler supply. Back of Pump Group -Remove plug 1" NP Female to connect LWCO stand pipe.

7 Legend Pump Low loss Header Outside emp Sensor High emp Heating Circuit GB162 #1 ORG BLU GRN GRY RED L BLU GRN GRY PUR WH low water cut-out (LWCO) high temp manual reset N.C. N.C. AM10 WH RED BLU FA Valve Check Valve hermostat Notes: 1. Installing activity shall furnish and install LWCO and high temp. manual reset per local codes. 2. Jumper across EV must be removed prior to wiring in LWCO and high temp manual reset. PK

MCM10 Front Panel 1 2 3 4 5 1 GRN Off: No power / internal error MCM10 On: Standard operation 2 GRN Off: Pump off On: Pump on 3 RED!

9 MCM10 Front Panel GRN Off: No power / internal error MCM10 On: Standard operation 2 GRN Off: Pump off On: Pump on 3 RED! Off: Switching contact not activated Blinking: System fault (example : system pressure too low or error in the heating appliance(s)) 4 GRN Off: No communication On: Communication between MCM10 and the previous MCM10. Communication between MCM10 and a Heating Controller (e.g. RC35) 5 GRN Off: No heat demand, heating appliance stand by On: Heat demand, heating appliance in operation

10 120 VAC YEL YEL GRN RED 120V PE N L 120V PE N L PE N L NO C NC Printed Circuit Board Input Mains Supply Output Mains Supply to following MCMC10 System Pump Alarm / Error output 120V 120V PE N L 120V PE N L PE N L NO C NC V BRN BLU RED GRN WH ORG V Line voltage Low voltage Do not use Outdoor emperature Sensor External On/Off brake Control contact (safeguard) 0-10 Volt Signal MM10, WM10 & continue to modulating control AM10 or RC35 GRY BLK WH WH WH WH Communication between this MCM10 and heating control Communication between this MCM10 and following MCM10 Heating Appliance 1 Heating Appliance 2 Heating Appliance 3 Heating Appliance 4

11 WM10

high temp manual reset -see note 4 reset button OA Supply Return MCM10 EMS Bus Notes: 1. See page 48 for details on where to connect LWCO standpipe to pump group. 2.

12 high temp manual reset -see note 4 reset button OA Supply Return MCM10 EMS Bus Notes: 1. See page 48 for details on where to connect LWCO standpipe to pump group. 2. LWCO and high temp manual reset are furnished and installed by others per local code. 3. LWCO must be located above the highest point of the boiler heat exchanger. 4. Hi emp Manual Reset remote sensing bulb must be located in the boiler supply. RC35 EMS Bus RC35 EMS Bus EMS Bus high temp manual reset -see note 4 reset button low water cut-out (LWCO) -see notes 2 & 3 PH FV PH FK Supply Return AU

13 Legend Pump Motor emp Sensor Mixing Valve Low loss Header Low emp Heating Circuit High emp Heating Circuit Valve RC 35 room control unit EX WM10 MM10 MCM10 YEL YEL GRN RED 120V PE N L 120V PE N L PE N L NO C NC BRN BLU RED GRN WH ORG V GRY BLK WH WH WH WH Line In Notes: 1. Jumper(s) must be removed prior to wiring the LWCO and high temp. manual reset. GB162 #1 GB162 #2 ORG BLU GRN GRY RED L BLU GRN GRY PUR WH ORG BLU GRN GRY RED L BLU GRN GRY PUR WH Line In Line In low water cut-out (LWCO) high temp manual reset high temp manual reset N.C. N.C. N.C.

14 Supply Return 3rd Party Controller Supply Return

15 Legend Pump Motor emp Sensor Low loss Header Low emp Heating Circuit High emp Heating Circuit Valve hird Party Controller Mixing Valve Outdoor emp sensor MCM10 120V YEL YEL GRN RED PE N L 120V PE N L PE N L NO C NC BRN BLU RED GRN WH ORG V GRY BLK WH WH WH WH Line In 0-10 VDC signal GB162 #1 GB162 #2 ORG BLU GRN GRY RED L BLU GRN GRY PUR WH ORG BLU GRN GRY RED L BLU GRN GRY PUR WH Line In Line In

16 MCM10 RC35 Supply Return Supply Return RC35 AU PZ

17 Legend Pump Motor emp Sensor Mixing Valve Low loss Header Indirect Storage ank DHW Outlet WM10 RC 35 room control unit EX Outdoor emp sensor Line In MCM10 PZ 120V YEL YEL GRN RED PE N L 120V PE N L PE N L NO C NC BRN BLU RED GRN WH ORG V GRY BLK WH WH WH WH PS PH system pump GB162 #1 GB162 #2 ORG BLU GRN GRY RED L BLU GRN GRY PUR WH ORG BLU GRN GRY RED L BLU GRN GRY PUR WH Line In Line In

18 MCM10 RC35 Supply Return RC35 Supply Return AU

19 Legend Pump Low loss Header emp Sensor High emp Heating Circuit Valve Outdoor emp sensor WM10 YEL YEL GRN RED 120V PE N L 120V PE N L PE N L NO C NC 20 V /60Hz ne In GB162 #1 ORG BLU GRN GRY RED L BLU GRN GRY PUR WH Line In RC 35 room control unit EX MCM10 BRN BLU RED GRN WH ORG GRY BLK WH WH WH WH V GB162 #2 ORG BLU GRN GRY RED L BLU GRN GRY PUR WH Line In

20 RC35 Supply Return MCM10 MCM10 RC35 AU Supply Return

21 Legend Pump emp Low loss Header Outdoor emp sensor Sensor RC 35 room control unit EX YEL YEL GRN RED 120V PE N L 120V PE N L PE N L NO C NC BRN BLU RED MCM10 (primary) GRN WH ORG V GRY BLK WH WH WH WH Line In from WM10 WM10 YEL YEL GRN RED 120V PE N L 120V PE N L PE N L NO C NC BRN BLU RED MCM10 (secondary) GRN WH ORG V GRY BLK WH WH WH WH Line In o MCM10 primary Line In GB162 #1 ORG BLU GRN GRY RED L BLU GRN GRY PUR WH Line In GB162 #2 GB162 #4 ORG BLU GRN GRY RED L BLU GRN GRY PUR WH ORG BLU GRN GRY RED L BLU GRN GRY PUR WH Line In Line In GB162 #3 GB162 #5 ORG BLU GRN GRY RED L BLU GRN GRY PUR WH ORG BLU GRN GRY RED L BLU GRN GRY PUR WH Line In Line In

22 Do :45h Room 71.9 F

23 Do :45h Room 71.9 F Standard display Operation modes Switching program Summer/winter threshold Summer/winter time DHW temperature Holiday Party function Pause function hermally desinfection Do :45h Room 71.9 F + + Quick operation Settings Diagnosis Servicing Reset

RC35 ways of controlling: F ( C) 212(100) outside temperature room temperature F ( C) 212(100) Supply temperature 176 (80) 140 (60) 104 (40) 68 (20) 32 (0) 32 (0) Supply temperature 176 (80) 140 (60)

24 RC35 ways of controlling: F ( C) 212(100) outside temperature room temperature F ( C) 212(100) Supply temperature 176 (80) 140 (60) 104 (40) 68 (20) 32 (0) 32 (0) Supply temperature 176 (80) 140 (60) 104 (40) 68 (20) outside temperature offset room temperature RC35 Outside temperature damping Outside temperature controlled F C 78 (26) 75 (24) 72 (22) 68 (20) 64 (18) 61 (16) 57 (14) 54 (12) 50 (10) 48 (8) Damped outside temperature Current outside temperature 43 (6) 12am 3am 6am 9am 12pm 3pm 6pm 9pm 12am Elapsed ime (Day)

25 RC35 Changing set point Outside temperature controlled 167 F (75 C) Flow temperature 72 F 68 F Setpoint (22 C) Setpoint (20 C) Setpoint 64.4 F (18 C) (20 C) (-10 C) 68 F 14 F Outside temperature

26 RC 35 Max. & min. flow temperature Outside temperature controlled supply temperature max. min. 68 F (20 C) Outside temperature 14 F (-10 C) RC 35 Max. & min. flow temperature Room temperature controlled Supply temperature F Offset room temperature max. (e.g. 75 C) 167 F min. (e.g. 25 C) 77 F RC 35 Room influence Room temperature to low Supply temperature Room temperature to high Outside temperature

27 120 L RC 35 room control unit EX Wall Mounting Bracket 18AWG 18AWG Connection to EMS (boiler) * Connection to external room temperature sensor * If room sensor is not used, leave factory installed jumper in place. Ground yel/grn must not be used as a control line.

29 120 L 18AWG 120 V 60Hz 14AWG, Max. 5A 14AWG, Max. 5A 18AWG 18AWG 18AWG Main power supply 120 V 60Hz Valve actuator motor run time: Ground yel/grn must not be used as a control line.

30 120 L 14AWG 120 V 60Hz 14AWG, Max.5A 18AWG 18AWG 18AWG Main power 120 V 60Hz zone low loss header Ground yel/grn must not be used as a control line.

31 120 L 14AWG 120 V 60Hz 14AWG, Max. 1A 18AWG 18AWG 18AWG 18AWG Main power 120 V 60Hz tank Ground yel/grn

32 AU GB162 Buderus IMPORAN! 1. RC35 may be installed next to the BC10 when there is only one boiler and one heating circuit. 2. If multiple heating circuits are utilized with two or more boilers or with any other of the modules (WM10, SM10, MM10), the RC35 must be remote mounted from the boiler to operate properly. pump group single boiler low loss header Supply PK pump Return heating circuit 1

33 Legend Pump Outdoor emp sensor GB162 #1 ORG BLU GRN GRY RED L BLU GRN GRY PUR WH Line In * BC10 RC35 Buderus AU * Attach RC35 next to BC10 at front of boiler.

34 GB162 RC35 pump group single boiler low loss header Supply Return unmixed heating circuit 1 mixed heating circuit 2 pump pump WM10 MM10 3 way valve

35 Legend Pump Low loss Header Outside emp Sensor Motor emp Sensor Mixing Valve Low emp Heating Circuit High emp Heating Circuit Valve GB162 #1 ORG BLU GRN GRY RED L BLU GRN GRY PUR WH RC 35 room control unit EX WM10 MM10

36 GB162 RC35 pump group single boiler low loss header Supply Return unmixed heating circuit 1 mixed heating circuit 2 mixed heating circuit 3 pump pump pump WM10 MM10 MM10 3 way valve 3 way valve

37 Legend Pump GB162 #1 ORG BLU GRN GRY RED L BLU GRN GRY PUR WH Motor emp Sensor WM10 MM10 RC 35 room control unit EX Low loss Header Low emp Heating Circuit High emp Heating Circuit MM10 Outside emp Sensor Valve Mixing Valve

38 GB162 RC35 pump group single boiler low loss header Supply Return 4 heating circuits max. unmixed heating circuit 1 mixed heating circuit 2 mixed heating circuit 3 mixed heating circuit 4 pump pump pump pump WM10 MM10 MM10 MM10 3 way valve 3 way valve 3 way valve

39 RC 35 room control unit EX GB162 #1 ORG BLU GRN GRY RED L BLU GRY GRN PUR WH WM10 MM10 Legend Pump Motor emp Sensor MM10 Low loss Header Low emp Heating Circuit High emp Heating Circuit Outside emp Sensor Valve Mixing Valve MM10

40 GB162 RC35 pump group single boiler low loss header Supply Return unmixed heating circuit 1 mixed heating circuit 2 pump pump WM10 MM10 3 way valve mixed heating circuit 3 pump MM10 3 way valve mixed heating circuit 4 pump MM10 3 way valve

41 RC 35 room control unit EX GB162 #1 ORG BLU GRN GRY RED L BLU GRY GRN PUR WH DHW pump DHW recirc pump WM10 MM10 Legend Pump Motor emp Sensor MM10 Low loss Header Low emp Heating Circuit High emp Heating Circuit Outside emp Sensor Valve Mixing Valve MM10

42 RC35 GB162 PZ PSS SM10 pump group single boiler low loss header Supply Return PS unmixed heating circuit 1 mixed heating circuit 2 mixed heating circuit 3 mixed heating circuit 4 pump pump pump pump WM10 MM10 MM10 MM10 3 way valve 3 way valve 3 way valve

43 Legend Pump RC 35 room control unit EX Low loss Header Valve Outside emp Sensor Motor emp Sensor GB162 #1 ORG BLU GRN GRY RED L BLU GRY GRN PUR WH WM10 MM10 o SM10 EMS Mixing Valve Low emp Heating Circuit SM10 MM10 High emp Heating Circuit o WM10 EMS DHW ank Sensor MM10 Collector emp Sensor Solar pump

Propane Conversion kit instructions

Propane Conversion kit instructions Condensing gas boiler Required Input Rates Logamax plus GB162-(L.B)80 kw Logamx plus GB162-(L.B.)100 kw 270,000 btu/hr 315,000 btu/hr his kit and instructions are for