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MHS Boilers MONOMAX N Series Manual

Pressurised steel boiler, gas, light oil and dual fuel
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MHS
PRESSURISED STEEL BOILER
GAS, LIGHT OIL AND DUAL FUEL
SERIES:
MONOMAX
N/NS
i
NC/NCS
DUOMAX
N/NS
PN/PNS
LB1957 • 23/03/2009

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Summary of Contents for MHS Boilers MONOMAX N Series

  • Page 1 PRESSURISED STEEL BOILER GAS, LIGHT OIL AND DUAL FUEL SERIES: MONOMAX N/NS NC/NCS DUOMAX N/NS PN/PNS LB1957 • 23/03/2009...

  • Page 2: Table Of Contents

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Index: Monomax N/NS - NC/NCS technical data page 4,5 ............Monomax N/NS - NC/NCS overall dimensions page 6 .
  • Page 3 Equipped with a ceramic lining to the combustion cham- Put your mind at rest ber door of generous thickness, plus an insulating At MHS Boilers we provide a jacket of 80mm depth of foil backed high density glass life time maintenance and ser- wool;...

  • Page 4: Monomax N/Ns - Nc/Ncs Technical Data

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS page. 4...
  • Page 5 MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS page. 5...

  • Page 6: Monomax N/Ns - Nc/Ncs Overall Dimensions

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Dimensions - Monomax Monomax Models 70 to 1300 N1 - Flow connection N2 - Return connection N3 - Ancillary Tapping N4 - Drain connection N5 - Safety Valve Tappings N6 - Poket for T/Stats etc Monomax Models 1400 to 3500...

  • Page 7: Duomax N/Ns Technical Data

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS page. 7...

  • Page 8: Duomax N/Ns Overall Dimensions

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Dimensions - Duomax N1 - Flow connection N2 - Return connection N4 - Drain connection N6 - Instrument Pokets N1/N2 N1/N2 page. 8...

  • Page 9: Duomax Pn/Pns Technical Data

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS page. 9...
  • Page 10 MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS page. 10...

  • Page 11: Duomax Pn/Pns Overall Dimensions

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Dimensions - Duomax P N1 - Flow connection N2 - Return connection N3 - Tapping for Gauges etc N4 - Drain connection N5 - Safety Valve Tappings N6 - Instrument Pokets page.

  • Page 12: General Specifications And Installation

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS General Specification Monomax boiler units are formed by matching a gas, gas Installation oil or gas/gas oil mix burner, depending on requirements, with a high quality, high performance steel boiler. To obtain Warning: this boiler is designed to heat water to a maximum performance from the unit, the burner is temperature below boiling point at atmospheric pressure;...

  • Page 13: Control Panels

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Control Panels To gain access to the controls, push and release on P and rotate transparency panel towards you. To close the transparency panel, rotate in vertical position and push and release it on P.

  • Page 14: Fitting The Bolier Insulation

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Fitting the boiler insulation page. 14...
  • Page 15 MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Fitting the casing Monomax N - NS - NC - NCS (up to 420 model) - Wrap the glass wool around the boiler body leaving the Fig.
  • Page 16 MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Fitting the casing Monomax N - NS - NC - NCS (from 510 to 1300 models) - Wrap the glass wool around the boiler body leaving the bulb well (P) on the top side exposed.
  • Page 17 MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Fitting Electrical Panel Monomax N - NS - NC - NCS (from 1400 to 3500 models) The assembly described hereafter concerns the control - Remove the half cut plastic plate K, insert the cable panel installation placed on the left side of the boiler.

  • Page 18: Fitting The Casing

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Fitting the casing Duomax N - NS P1 - Bulb well for 1 st boiler: Regulation boiler thermostat Security thermostat Minimum thermostat (Circulator consent thermostat) Thermometer P2 - Bulb well for 2 nd boiler:...
  • Page 19 MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Fitting the casing Duomax PN - PNS Fig. 11.2-3 - Wrap the glass wool around the boiler body leaving the bulb well (P) on the top side exposed. - Fixing in the right position the boiler body (65mm between the boilers, see pag.

  • Page 20: Fitting The Burner

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Fitting the Burner In order to fit the burner correctly, follow the below instruc- tions: 1 - tighten the stud bolts provided with the boiler onto the boiler door;...

  • Page 21: Water Treatment And Cleaning The Boiler

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Water treatment Limestone deposits strongly impair the efficiency of heat Clean as follows: exchange between combustion gases and the system water, causing a decrease in the performance of the - switch off the heating unit and disconnect the power appliance (see graph);...

  • Page 22: Prevention Of Condensation

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Prevention of Condensation Condensation within steel boilers is very harmful and precautions must be taken within the system design to prevent condensation from occurring within the flueways. The boiler should work at a return temperature in excess of 60°C. In order that the boiler should reach this temperature as quickly as possible, it is imperative that an anti-condensation system is installed.
  • Page 23 Furthermore, in accordance with BS6644, for boiler/s with an input greater than 70kW net, an automatic pressurization unit must be installed to automatically replenish any lost system water. For information on the comprehensive range of pressurization units available from MHS boilers, please visit our website, www.mhsboilers.com...

  • Page 24: Electrical Connections

    MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS Electrical connections 20.1 ELECTRICAL BLUEPRINT BASE CONTROL PANEL FOR MONOMAX N, NS, NC AND NCS pag. 25 ... . 20.1.1 ELECTRICAL CONNECTION BLUEPRINT TO BASE CONTROL PANNEL FOR MONOMAX BOILER NC AND NCS...
  • Page 25 MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS 20.1 Electrical Blueprint base control panel for Monomax N,NS,NC and NCS 13 14 19 20 STAB 6,3 A max fuse burner switch block bulb recirculation thermostat operation bulb security thermostat...
  • Page 26 MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS 20.1.2 Electrical connection Blueprint to base control panel for Monomax N and NS Boiler with single-phase burner WARNING: THE 4 POLES TERMI- ATTENZIONE: NAL BOARD (W4) IS CONNECTED LA MORSETTIERA A 4 POLI (W4) VA COLLEGATA SOLO SE ALLA CALDAIA ONLY IF THE BOILER IS COUPLED...
  • Page 27 MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS 20.2 Electrical Blueprint base control panel for Duomax N,NS,P and PNS page. 27...
  • Page 28 MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS 20.2.1 Electrical connection Blueprint control panel for Duomax N,NS,P and PNS boiler, base model or with electronic management of hi-low flame, with single-phase burner WARNING: THE 4 POLES TER- W7-a W4-a...
  • Page 29 MONOMAX N / NS - NC / NCS DUOMAX N / NS - PN / PNS page. 29...
  • Page 30 MHS reserves the right to make any adjustments, without prior notice, which it considers necessary or useful to its products, without affecting their main features. MHS Boilers Ltd 3 Juniper West, Fenton Way, Southfields Business Park, Basildon, Essex, SS15 6SJ - tel. 01268 546700 - fax 01268 888250...

This manual is also suitable for:

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