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page. 18

MONOMAX  N / NS - NC / NCS

DUOMAX N / NS - PN / PNS

MHS

V

V

V1

V1

K

V1

V1

Fig. 11.1-1

5

Fig. 11.1-2

- Wrap the glass wool around the boiler body leaving the

bulb well (P) on the top side exposed.

- Loosen screw (V) and rotate towards you the frontal part

of the electric control panel (see fig.11.1-2) and remove
the half cut plastic plate K

- Fit the electric control panel to the top panel using screw

(V1).

- Pass the burner connection plug through the slot on the

lower side of boiler front plate and inser t the
thermometer and thermostats bulbs in the slot on panel
(5) and in the wells P1 and P2.

- Connect electric control panel to mains supply following the

wiring diagram included in the control panel.

- Re-place the front part of the control panel and tighten

the screw V.

- Fit the panels  (1, 2, 3, 4)  inserting the upper fold into the

square tube and the lower fold to the boiler side frame;

- Fit the panel (5)

P1

- Bulb well for 1st boiler:

Regulation boiler thermostat
Security thermostat
Minimum thermostat (Circulator consent
thermostat)
Thermometer

P2

- Bulb well for 2nd boiler:

Regulation boiler thermostat
Security thermostat
Minimum thermostat (Circulator consent
thermostat)
Thermometer

Fitting the casing Duomax N - NS 

Summary of Contents for DUOMAX N Series

Page 1: ...PRESSURISED STEEL BOILER GAS LIGHT OIL AND DUAL FUEL SERIES INSTRUCTIONS FOR INSTALLATION AND USE MONOMAX N NS NC NCS DUOMAX N NS PN PNS i MHS LB1957 23 03 2009...

Page 2: ...rall dimensions page 8 Duomax PN PNS technical data page 9 10 Duomax PN PNS overall dimensions page 11 General specifications and Installation page 12 Control panels page 13 Fitting the bolier insulat...

Page 3: ...gh standards of build quality Welding to the highest standards of workmanship and fully adjustable door hinge mechanisms ensure reliability and accuracy in door sealing The smart and robust outer casi...

Page 4: ...page 4 MONOMAX N NS NC NCS DUOMAX N NS PN PNS MHS...

Page 5: ...page 5 MONOMAX N NS NC NCS DUOMAX N NS PN PNS MHS...

Page 6: ...Tappings Poket P for thermostats not shown N1 Flow connection N2 Return connection N3 Ancillary Tapping N4 Drain connection N5 Safety Valve Tappings N6 Poket for T Stats etc Monomax Models 70 to 1300...

Page 7: ...page 7 MONOMAX N NS NC NCS DUOMAX N NS PN PNS MHS...

Page 8: ...AX N NS NC NCS DUOMAX N NS PN PNS MHS N4 D1 D N4 N1 N2 N1 N2 N2 N2 N6 N6 N1 N1 B2 Q B1 B F G E E C H C1 A1 A c c N1 Flow connection N2 Return connection N4 Drain connection N6 Instrument Pokets Dimens...

Page 9: ...page 9 MONOMAX N NS NC NCS DUOMAX N NS PN PNS MHS...

Page 10: ...page 10 MONOMAX N NS NC NCS DUOMAX N NS PN PNS MHS...

Page 11: ...S DUOMAX N NS PN PNS MHS A1 A B1 B H 65 M L C N2 N3 N5 N1 N6 N4 P D E c Q N1 Flow connection N2 Return connection N3 Tapping for Gauges etc N4 Drain connection N5 Safety Valve Tappings N6 Instrument P...

Page 12: ...tion of the Monomax boiler body It is composed of a thick layer of fibreglass which completely covers the body reducing loss of heat to a minimum and contributing towards a high level of boiler perfor...

Page 13: ...ase it on P P ELECTRIC PANEL FOR MONOMAX in the version 2 FLAME or MODULATING settings MONOMAX control panels A A B B A B A B A B A B A B A B 1 2 6 3 4 5 10 11 12 13 9 8 7 C 10 90 20 80 30 70 40 60 50...

Page 14: ...page 14 MONOMAX N NS NC NCS DUOMAX N NS PN PNS MHS Fitting the boiler insulation A A B B A B B C C B C C 1 2 3 4...

Page 15: ...K and in the wells P Fit the panels 1S and 1D inserting the upper fold into the square tube and the lower fold to the boiler side frame Fit the upper panel 3S on the boiler Fit the panel 3D ensuring t...

Page 16: ...boiler side frame repeat this operation to fit the 2S panel Fit the upper panel 3S on the boiler Fit the panel 1D 2D and 3D ensuring that the capillaries are inserted in the slot provided in the panel...

Page 17: ...cut plastic plate K insert the cable wiring terminal block C inside the hole and secure it to the control panel using the cable holder supplied Remove the plate 4 fit the support 2 to the boiler as in...

Page 18: ...ermometer and thermostats bulbs in the slot on panel 5 and in the wells P1 and P2 Connect electric control panel to mains supply following the wiring diagram included in the control panel Re place the...

Page 19: ...ables in the slot K and in the slot on plate W Fit the electric control panel on panels W using screws V1 Pass the burner connection plug through the slot on the lower side of boiler front plate and i...

Page 20: ...to their corresponding sockets When fitting the burner make sure that there is a perfect seal between the burner attachment flange and the boiler The wiring diagram of the heating unit according to th...

Page 21: ...ing unit and disconnect the power supply loosen the fastening handles of the hatch and open it extract the baffles from the flue pipes see figure clean the flue pipes using a metal brush and remove re...

Page 22: ...ation but a minimum of 450mm should be allowed where possible Rear Clearance Sufficient space should be allowed for connection of the flue system and for rear inspection and maintenance Burner Clearan...

Page 23: ...ctice for low temperature hot water heating systems of output greater than 45kW Parts 1 2 3 1988 CP342 Part 2 1974 Code of practice for centralised hot water supply BS5410 Part 2 1978 Code of practice...

Page 24: ...ASE CONTROL PANEL FOR MONOMAX N AND NS BOILERWITH SINGLE PHASE BURNER pag 26 20 1 3 ELECTRICAL CONNNECTION BLUEPRINTTO BASE CONTROL PANEL FOR MONOMAX N AND NS BOILERWITH THREE PHASE BURNER pag 26 20 2...

Page 25: ...gh low flame thermostat J1 jumper for boiler safey and external controls J2 jumper for burner external control J1 J2 18 10 7 6 9 8 12 11 13 14 C N L 5 Q PE N L 50 60Hz 220 240V 2 1 3 17 16 15 4 19 20...

Page 26: ...ABBINATO UN BRUCIATORE BI STADIO ALTA BASSA FIAMMA C CIRCOLATORE DI CALDAIA Q INTERRUTTORE GENERALE C CIRCOLATORE DI CALDAIA rif CEM04102N rif CEM04103N C Boiler s circulator Q Main switch C Boiler s...

Page 27: ...7 10 13 12 14 16 17 18 17 18 L N With single phase burner rif CEM04104N With three phase burner rif CEM04105N FU Fuse KA rele HLB block bulb HLF operation bulb HL2 second flame bulb SAC recirculation...

Page 28: ...240V L N PE Q N ATTENZIONE LE MORSETTIERE A 4 POLI W4 a e W4 b VANNO COLLEGATE SOLO SE ALLE CALDAIE VIENE ABBINATO UN BRU CIATORE BISTADIO ALTA BASSA FIAMMA rif CEM04113N Ca A boiler s circulator Cb...

Page 29: ...page 29 MONOMAX N NS NC NCS DUOMAX N NS PN PNS MHS...

Page 30: ...hfields Business Park Basildon Essex SS15 6SJ tel 01268 546700 fax 01268 888250 B MHS reserves the right to make any adjustments without prior notice which it considers necessary or useful to its prod...

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